Epoxy Resin,Epoxy Hardener,Epoxy Resin Diluents,Epoxy Resins Auxiliaries

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DOPO-HQ modified phenolic epoxy resin
There are mainly three types of DOPO modified phenolic epoxy resins ,including DOPO-HQ modified and DOPO-NQ modified and DOPO modified epoxy resin, with excellent flame retardancy, heat resistance, low toxicity and low water absorption and expansion coefficient. DOPO modified phenolic epoxy resins are halogen-free flame retardant epoxy resins, and are mainly used in the fields of halogen-free flame retardant printed circuit substrates, electronic copper-clad laminates and electrical laminates. Grade No. EEW (g/eq) Viscosity (mPa.s) N.V. (%) YLDP-320-K70 300-340 ＜1000 70±1 YLDP-275-K70 250-300 ＜1000 70±1 YLDP-255-M80 240-270 1000-7000 80±1 YLDP-230-MCS80 210-250 1000-4000 80±1 Halogen-free flame retardant printed circuit substrates Electronic copper-clad laminates Electrical laminates Store in well-ventilated area. Keep away from flames and direct sunlight. Close the cap tightly immediately after use. All safety information is provided in the Material Safety Data Sheet. At least 12 months from the date of manufacture in the original packing in ambient temperatures. Drum package.
Bisphenol A epoxy resin
Bisphenol A liquid epoxy resin comparing with most resins, its cured product has higher adhesion strength, lower shrinkage, especially outstanding performance in mechanical strength, electrical insulation, and chemical resistance. Grade No. EEW(g/eq) Viscosity(mPa.s) Hy-Cl(ppm) YLE-127 176-184 8000-11000 ≤ 500 YLE-128 184-190 11000-15000 ≤ 300 YLE-127S 190-220 14000-25000 5000-10000 YLE-126 210-240 12000-20000 ≤ 800 YLE-121F 174-182 8000-9000 ≤ 200 YLE-121L 172-178 4000-6000 ≤ 200 YLE-121 170-176 3500-5500 500-1000 YLE-127K 165-175 3000-5000 ＜200 YLE-134 230-270 - ＜500 Adhesive Insulation Composites (Glass fiber, carbon fiber winding material) Coating Electrical and electronic industry (Potting, casting, impregnation) Civil wood bedding Store in well-ventilated area. Keep away from flames and direct sunlight. Close the cap tightly immediately after use. All safety information is provided in the Material Safety Data Sheet. At least 12 months from the date of manufacture in the original packing in ambient temperatures. Drum package.
Bisphenol F epoxy resin
Bisphenol F epoxy resin is characterized by low viscosity, less than 1/3 of the viscosity of bisphenol A epoxy resin，and has good impregnation of fiber. Its curing properties are almost the same as those of bisphenol A epoxy resins, but with slightly lower heat resistance and slightly better corrosion resistance. Liquid bisphenol F epoxy resin can be used for solvent-free coatings, adhesives, cast plastics, FRP and carbon fiber composites. Grade No. EEW (g/eq) Viscosity (mPa.s) Hy-Cl (ppm) YLE-160 155-165 ≤1600 ＜100 YLE-170L 165-167 2700-3700 ＜150 YLE-170 165-175 3500-4500 ＜150 YLE-170H 165-175 5000-6000 ＜150 YLE-170K 165-169 5000-6000 ＜300 Adhesive Insulation Composites (Glass fiber, carbon fiber winding material) Coating Electrical and electronic industry (Potting, casting, impregnation) Civil wood bedding Store in well-ventilated area. Keep away from flames and direct sunlight. Close the cap tightly immediately after use. All safety information is provided in the Material Safety Data Sheet. At least 12 months from the date of manufacture in the original packing in ambient temperatures. Drum package.
Solid bisphenol A epoxy resin
Bisphenol A liquid epoxy resin comparing with most resins, its cured product has higher adhesion strength, lower shrinkage, especially outstanding performance in mechanical strength, electrical insulation, and chemical resistance. Grade No. EEW (g/eq) Softening point (°C) YLE-011 450-500 60-70 YLE-901 450-500 65-75 Adhesive Insulation Composites (Glass fiber, carbon fiber winding material) Coating Electrical and electronic industry (Potting, casting, impregnation) Civil wood bedding Store in well-ventilated area. Keep away from flames and direct sunlight. Close the cap tightly immediately after use. All safety information is provided in the Material Safety Data Sheet. At least 12 months from the date of manufacture in the original packing in ambient temperatures. Drum package.

N,N-Dimethyl-1,3-propanediamine DMAPA CAS 109-55-7
DMAPA is a colourless, transparent liquid with no mechanical impurities.DMAPA is flammable, corrosive and will smoke and blacken in air. It is soluble in water, also soluble in most organic solvents. Item Specification Appearance Colorless liquid Color, APHA Max. 20 Purity,% Min. 99.5 Water,% Max.0.30 DMAPA is mainly used in the manufacture of cosmetic raw materials, dyestuffs and ion exchange resins. It is also used in epoxy resin curing agent, non-cyanide electroplating additive, fibre and leather treatment agent, etc. Store in well-ventilated area. Keep away from flames and direct sunlight. Close the cap tightly immediately after use. All safety information is provided in the Material Safety Data Sheet. At least 12 months from the date of manufacture in the original packing in ambient temperatures. Drum package.
Curing agent YLH-102G4
YLH-102G4 is an isophthalamine type tetrafunctional epoxy resin, which is a nitrogen-containing, low-viscosity, highly reactive resin. Due to its high epoxy functionality, curing formulations containing YLH-102G4 have a high crosslinking density. Therefore, it is recommended for applications where high temperature resistance is required. Curing formulations containing YLH-102G4 also offer excellent chemical resistance and high modulus. Item Speicaition Appearance Pale yellow liquid Color, APHA Max. 5 EEW, g/eq 95-110 Viscosity, cps 25°C 1600-3000 Chemical resistant coatings Laminate Composites Adhesive High viscosity epoxy will be viscous Store in well-ventilated area and must be placed in a cool environment during the required storage period of more than 3 months or summer. All safety information is provided in the Material Safety Data Sheet. At least 6 months from the date of manufacture in the original packing in ambient temperatures. Drum package.
1,2-Diaminocyclohexane DACH CAS 694-83-7
DACH is a clear, colorless to light yellow transparent liquid at room temperature, with a slight ammonia-like taste.DACH is sensitive to air, and long-term exposure to air can easily lead to yellowing of products. There are two isomers of DACH, cis and trans, which can be miscible with water in any proportion, but the high water content of DACH can easily affect the mechanical properties of the material. Item Specification Appearance Colorless liquid Purity,% Min. 99.0 Water,% Max. 0.2 Amine value, mg KOH/g 967 AHEW, g/eq 28.5 Epoxy curing agents Polyamide resins or pesticide intermediates Polyurea materials Scale inhibitors/rust inhibitors Store in well-ventilated area. Keep away from flames and direct sunlight. Close the cap tightly immediately after use. All safety information is provided in the Material Safety Data Sheet. At least 12 months from the date of manufacture in the original packing in ambient temperatures. Drum package.
Polyetheramine D-230
Polyetheramine D-230 has a light colour, low viscosity, low vapour pressure and high primary amine content. It is soluble in many solvents and slightly soluble in water. Item Specification Appearance Colorless to pale yellow liquid Color, Pt-Co Max. 100 Amine value, mmol/g Min. 7.5 Primary amine content, % Min. 96 Water, % Max. 0.5 Electronic sealant. Electronic potting material, Structural adhesive Heavy anti-corrosion coatings Store in well-ventilated area. Keep away from flames and direct sunlight. Close the cap tightly immediately after use. All safety information is provided in the Material Safety Data Sheet. At least 12 months from the date of manufacture in the original packing in ambient temperatures. Drum package.

Diethylene glycol diglycidyl ether YLD-2003
Diethylene glycol diglycidyl ether YLD-2003 (CAS NO. 39443-66-8) is colorless to light yellow transparent liquid. YLD-2003 is a bifunctional epoxy resin active diluent with good flexibility, giving bisphenol A resin flexibility, elongation and improving impact strength. YLD-2003 can be used to formulate all kinds of epoxy resin castable, solvent-free coatings, impregnating glue, drop dipping glue and adhesives, and is widely used in the manufacture of large and medium-sized dry-type transformers, high-voltage switching parts of transformers, micro-motors, capacitors and other electronic devices.YLD-2003 is also the main component of automobile electrophoretic coatings. YLD-2003 can also be used as cellulose finishing agent to increase the flexibility, fastness, alkali resistance, dyeing, etc. It can be used for finishing cotton, hemp, wool and silk fabrics to improve the tensile strength of fibers. Item YLD-2003A YLD-2003A YLD-2003A Appearance Transparent liquid Transparent liquid Transparent liquid Color, APHA Max. 40 Max. 40 Max. 40 Viscosity, mpa.s 25°C 25-45 40-80 80-130 EEW, g/eq 180-200 250-290 180-200 Hydrolyzable Chloride,% Max. 0.5 Max. 0.5 Max. 0.5 Inorganic Chlorine, mg/kg Max. 50 Max. 50 Max. 50 Water,% Max.0.1 Max.0.1 Max.0.1 As epoxy resin castables, solvent-free coatings, impregnating adhesives, drop-dipping gluing adhesives. As fiber finishing agent, it can increase the flexibility, fastness, alkali resistance and dyeing of fiber. Store in well-ventilated area. Keep away from flames and direct sunlight. Close the cap tightly immediately after use. All safety information is provided in the Material Safety Data Sheet. At least 12 months from the date of manufacture in the original packing in ambient temperatures. Drum package.
Butyl glycidyl ether(BGE) YLD-9004
Butyl glycidyl ether(BGE) YLD-9004 (CAS NO. 2426-08-6), is a single epoxy group reactive diluent, colourless transparent liquid. The molecule contains ether bond and epoxy group, which can participate in the curing reaction of epoxy resin and form a homogeneous system. YLD-9004 is mainly used as an active diluent of epoxy resin to reduce the viscosity of epoxy resin and improve the operation process, and is applied in the fields of insulating materials, solvent-free coatings, adhesives, electronic potting, and electrician casting. Item YLD-9004A YLD-9004B Appearance Transparent liquid Transparent liquid Color, APHA Max. 20 Max. 60 Viscosity, mpa.s 25°C Max. 2 Max. 3 EEW, g/eq 147-157 188-205 Hydrolyzable Chloride, % Max. 0.1 Max. 0.2 Inorganic Chlorine, mg/kg Max. 50 Max. 50 Water,% Max. 0.5 Max. 0.5 As an active diluent of epoxy resin, it is widely used in insulating materials, solvent-free coatings, adhesives, electronic potting, casting and other fields. Store in well-ventilated area. Keep away from flames and direct sunlight. Close the cap tightly immediately after use. All safety information is provided in the Material Safety Data Sheet. At least 12 months from the date of manufacture in the original packing in ambient temperatures. Drum package.
1,4-Butanediol diglycidyl ether YLD-6018L
1,4-Butanediol diglycidyl ether YLD-6018L (CAS No. 2425-79-8) is transparent liquid. The molecule contains two epoxy groups to participate in the curing reaction, and the curing reaction forms a chain and network structure, so the mechanical properties of the resin after curing are good. It is usually used as a toughening diluent for epoxy resins and is widely used in solvent-free coatings, laminations, adhesives and other epoxy systems. As a cellulose finishing agent, it can increase the flexibility, fastness, alkali resistance, dyeability, etc. of cellulose, and can be used for cotton, linen, wool and other fabric finishing, so that the tensile strength of fiber is increased. Item Specification Appearance Transparent liquid Color, APHA Max. 20 Purity, % Min. 98 Hydrolyzable Chloride, ppm Max. 500 Total Chlorine, ppm Max. 800 Water, % Max. 0.1 As a toughening diluent for epoxy resin, it is widely used in solvent-free coatings, laminations, adhesives and other epoxy systems. As a fiber finishing agent, it can increase the flexibility, fastness, alkali resistance and dyeing of fiber. Store in well-ventilated area. Keep away from flames and direct sunlight. Close the cap tightly immediately after use. All safety information is provided in the Material Safety Data Sheet. At least 12 months from the date of manufacture in the original packing in ambient temperatures. Drum package.
1,6-Hexanediol diglycidyl ether YLD-6008
1,6-Hexanediol diglycidyl ether YLD-6008 (CAS NO. 16096-31-4) is colorless to light yellow transparent liquid. The molecule contains two epoxy groups to participate in the curing reaction, and the curing reaction forms a chain and network structure, so the mechanical properties of the resin after curing are good. YLD-6008 is a bifunctional epoxy resin reactive diluent, mixed with epoxy resin, which can greatly reduce the viscosity of the system, and reduce shrinkage and costs by adding more filler with it. YLD-6008 is also a water-soluble reactive diluent with good wetting ability. Epoxy resin is added to improve the penetration during casting. It has good wetting ability during lamination and bonding. YLD-6008 is also a toughening reactive diluent, which can be used to improve the flexibility of products. Item Specification Appearance Transparent liquid Color, APHA Max. 40 Viscosity, mpa.s 25°C 10-25 EEW, g/eq 142-155 Hydrolyzable Chloride, % Max. 0.2 Inorganic Chlorine, ppm Max. 20 Water, % Max. 0.1 As a toughening diluent for epoxy resin, it is widely used in solvent-free coatings, laminations, adhesives and other epoxy systems. As a fiber finishing agent, it can increase the flexibility, fastness, alkali resistance and dyeing of fiber. Store in well-ventilated area. Keep away from flames and direct sunlight. Close the cap tightly immediately after use. All safety information is provided in the Material Safety Data Sheet. At least 12 months from the date of manufacture in the original packing in ambient temperatures. Drum package.

Diallyl bisphenol A CAS 1745-89-7
DBA is mainly used in the modification of bismaleimide resin (Bismaleimide abbreviated as BMI), which can greatly reduce the application cost of BMI resin by improving the operability and processability of BMI resin. DBA also can improve the toughness, heat resistance and mouldability of BMI resin. And DBA can be used as epoxy resin active toughening agent. Item Specification Appearance Light yellow viscous liquid Purity, % Min. 96 Electrical insulating materials Wear-resistant materials Aerospace structural materials Used as antioxidant for rubber Used in the synthesis of modified epoxy resin Store in well-ventilated area. Keep away from flames and direct sunlight. Close the cap tightly immediately after use. All safety information is provided in the Material Safety Data Sheet. At least 12 months from the date of manufacture in the original packing in ambient temperatures. Drum package.
Bisphenol A diallyl ether CAS 3739-67-1
Bisphenol A diallyl ether has a wide range of applications in organic synthesis, coatings, adhesives and resins. It is also used in the preparation of specific classes of rubber and plastics. It is used in high-end applications including adhesives for semiconductor wafer surfaces, photoresist materials, silicone rubber modifiers, impact resistant prepreg blanks, molding of fibre-reinforced structural components, hybrid materials for high temperature and chemical resistance, high temperature coating, waterproofing, corrosion protection. Item Specification Appearance Colorless to light yellow viscous liquid Purity, % Min. 98 Epoxy resin crosslinking agent High temperature resistant materials Corrosion-resistant materials Store in well-ventilated area. Keep away from flames and direct sunlight. Close the cap tightly immediately after use. All safety information is provided in the Material Safety Data Sheet. At least 12 months from the date of manufacture in the original packing in ambient temperatures. Drum package.
2-Allylphenol CAS 1745-81-9
2-Allylphenol is mainly used as a modifier for BMI or epoxy or as a reactive diluent for low viscosity resins in the RTM process, and as an intermediate in organic synthesis. Item Specification Appearance Colorless to light yellow liquid Purity, % Min. 96 Epoxy resin reactive diluent Intermediate in organic synthesis Store in well-ventilated area. Keep away from flames and direct sunlight. Close the cap tightly immediately after use. All safety information is provided in the Material Safety Data Sheet. At least 12 months from the date of manufacture in the original packing in ambient temperatures. Drum package.
Glycidyl methacrylate CAS 106-91-2
As Glycidyl methacrylate it contains both carbon-carbon double bond and epoxy group in its molecule, it can carry out both free radical type reaction and ionic type reaction. Therefore, it has high reactivity and is an important fine chemical material. Item Specification Appearance Colorless transparent liquid Purity, % Min. 99 Acid value, mgKOH/g Max. 0.05 Water, % Max. 0.1 Used in powder coatings and adhesives Used as functional monomer Used as synthesis and modification of polymer materials Store in well-ventilated area. Keep away from flames and direct sunlight. Close the cap tightly immediately after use. All safety information is provided in the Material Safety Data Sheet. At least 12 months from the date of manufacture in the original packing in ambient temperatures. Drum package.

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Yolatech is a comprehensive enterprise integrating R&D, production and sales, warehousing and logistics. Yolatech has its own manufacture plants and independent import and export rights as well as complete and scientific quality management system. Over the years, we have been committed to the introduction and promotion of epoxy resins and hardener and diluents and other functional chemicals in the field of marine, construction, automotive, aerospace, electronics and various manufacturing industries. Based on years of understanding and accumulation of industry and customer needs, and through good domestic and international supply and sales channels, and mutual cooperation with many famous companies in the world. We established long-term and stable partnerships with enterprises in the United States, Germany, Italy, Australia, Austria, the Netherlands, South Korea, Japan, Thailand and other countries and regions. Yolatech has become a global "one-stop sourcing and technical solution" service provider for worldwide customers. We have a certain comprehensive value-added and competition ability. We believe that "only professional teams will be the leading ones". We continue to explore new technologies, create new products, and strive to develop into an expert service system. And your trust and partnership will be really appreciated.

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Epoxy Resin Coatings

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Epoxy Resin Coatings

Epoxy Resin Coatings Description Epoxy resin coatings that contain a high number of epoxy groups in their composition are collectively known as epoxy paints. Epoxy resin is a class of macromolecular prepolymer containing two or more epoxy groups in the molecular structure and is an important thermosetting resin. Epoxy resin includes both oligomers of epoxy groups and low molecular compounds containing epoxy groups. Epoxy resins are widely used as resin matrix for adhesives, coatings and composites in the fields of water conservancy, transport, machinery, electronics, home appliances, automotive and aerospace. Classification methods of epoxy resin coatings 1.Classified by construction method Spray coatings, roll coatings, flow coatings, dip coatings, electrostatic coatings, electrophoresis coatings, powder flow coatings, and brush coatings. 2. Classified by application Architectural coatings, automotive coatings, marine coatings, wood coatings, machine materials, sign coatings, electrical insulation coatings, conductive and semiconductor coatings, chemical-resistant coatings, corrosion-resistant coatings, heat-resistant coatings, fire-resistant coatings, show coatings, lubricating coatings, food can coatings and flame-retardant coatings. 3. Classified by curing method Self-drying coatings with one-component or two-components or multi-components liquid coatings, baking coatings with one-component and two-components solid or liquid coatings, radiation curing coatings. 4. Classified by curing method Amine-curing coatings, anhydride (or acid) curing coatings, and synthetic resin-based coatings. 5. Classified by coating state Solvent-based coatings, solvent-free (liquid and solid) coatings, and (water emulsified and water-soluble) coatings. Advantages of epoxy resin coatings High mechanical properties Epoxy resin has strong cohesion and dense molecular structure, so its mechanical properties are higher than general-purpose thermosetting resins such as phenolic resin and unsaturated polyvinyl acetate. Strong adhesion Epoxy resin curing system contains a great activity of epoxy, light base and ether bond, amine bond, vinegar bond and other polar groups, giving epoxy curing material excellent adhesion. Small curing shrinkage Generally its curing shrinkage is1%-2%. It is one of the varieties with the smallest curing shrinkage in thermosetting resin. Linear expansion coefficient is also very small. So the volume change after curing is not big. Excellent electrical insulation Epoxy resin is one of the best performance varieties among thermosetting resins. Good workmanship Epoxy resin curing basically does not produce low molecular volatiles, so can be low-pressure molding or contact pressure molding. Can cooperate with various curing agents to manufacture many types of environmentally friendly coatings. Good stability and excellent resistance to chemicals Epoxy resin without alkali, salt and other impurities is not easy to deteriorate. Epoxy curing material has excellent chemical stability. Its resistance to alkali, acid, salt and other media corrosion performance is superior, so epoxy resins are used as anti-corrosion primer. And due to its cured material is a three-dimensional mesh structure, it is resistant to oil and other impregnation, so it is also used for lining the inner wall of the oil tank. Good heat resistance Epoxy curing material heat resistance is generally 80-100°C. Epoxy resin heat-resistant varieties can withstand temperatures to 200°C or higher. Disadvantages of epoxy resin coatings 1. Poor weather resistance, and easy to chalk. Epoxy resin generally contains aromatic ether bonds, cured by sunlight is easy to degrade the chain, so the usual bisphenol A epoxy resin cured material in the outdoor sun, easy to lose luster, and gradually chalking, so it is not suitable for use as outdoor topcoat. 2. Epoxy resin has hydroxyl group, if not handled properly, the water resistance of the coating film will be poor. 3. When epoxy resin is cured, the coating is hard and the primer and putty made of it are not easy to be sanded. Application Epoxy resin used as coating accounts for about 35% of the total epoxy resin, the main applications are anti-corrosion epoxy coatings, marine coatings, electrical insulation epoxy resin coatings, food cans interior coatings, water-based coatings, underground facilities protective coatings and so on. For more information, please kindly contact us freely!
Epoxy Resin Application in Electrical and Electronic Appliances

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Epoxy Resin Application in Electrical and Electronic Appliances

Epoxy Resin Application in Electrical and Electronic Appliances Background Due to the excellent dielectric properties, mechanical properties, adhesive properties, corrosion resistance, small curing shrinkage and coefficient of linear expansion, good dimensional stability, good workmanship, excellent overall performance, and more due to the flexibility and versatility of the formulation design of epoxy resin materials, epoxy resin materials have been widely used in the field of electrical and electronic appliances. Applications Epoxy resin is used in pouring of insulating encapsulation parts for electrical appliances and motors. Such as solenoids, contactor coils, mutual inductors, dry-type transformers and other high and low-voltage electrical appliances, the manufacture of the whole fully sealed insulation encapsulation parts. The appplication of epoxy resin in the electrical appliances industry has been rapid development. From atmospheric pressure casting, vacuum casting has developed to automatic pressure gel forming. Epoxy resin is widely used for potting insulation of devices equipped with electronic components and circuits. It has become an important and indispensable insulating material for the electronic industry. Electronic grade epoxy resin molding compound is used for plastic sealing of semiconductor components. In recent years, the development is very fast. Because of its superior performance, there is a trend to use it to replace the traditional metal, ceramic and glass packaging. Epoxy resin laminated plastics are widely used in the field of electronics and electrical appliances. Among them, the development of epoxy copper-clad laminates is especially rapid, and it has become one of the basic materials in the electronic industry. In addition, epoxy insulating coatings, insulating adhesives and electronic adhesives are also used in a large number of applications. Advantages The role of epoxy resin is to strengthen the integrity of the electronic device, improve the resistance to external impact, vibration. And improve the internal components, line insulation, conducive to device miniaturisation, lightweight. At the same time to avoid direct exposure of components, lines, improve the device's waterproof, moisture-proof performance. Development The development direction of epoxy resin electronic and electrical encapsulation and insulation materials is mainly to improve the material's heat resistance, dielectric properties and flame retardancy, reduce water absorption, shrinkage and internal stress. The main route to improvement is the synthesis of new epoxy resins and curing agents. And improvement the purity of raw materials or modification of epoxy resins, including toughening, flexibilisation, filling, reinforcing and blending. And development of non-bromine flame retardant system. And improvement of moulding process methods, equipment and technology and so on. For more information, please kindly contact us freely!
Epoxy Resin Composites

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Epoxy Resin Composites

Epoxy Resin Composites Description Epoxy resin is the most widely used resin system in advanced composites. Epoxy resins have excellent properties that can be adapted to different production processes, and the cured products have excellent stability, good heat and humidity resistance, and high insulating properties. Currently epoxy resins rule the market for high performance composites. Epoxy resin raw materials used in epoxy resin composites The most used epoxy resin in the composites industry is glycidyl ether epoxy resin, which is dominated by bisphenol A epoxy resin. Followed by glycidyl amine epoxy resin and glycidyl ester epoxy resin. Others are phenolic epoxy resin, epoxy acrylic resin and alicyclic epoxy resin and so on. Application of epoxy resin composites Epoxy resin composites in the chemical industry Epoxy resin composites have been widely used in industries such as petroleum, fertiliser, salt production, pharmaceuticals, papermaking, seawater desalination, bioengineering, environmental engineering and metal plating. Epoxy Resin Composites in the transport and energy industries In the transport industry, it is mainly used in the road, railway, marine and aviation construction industry in the automobile manufacturing industry. And in the energy industry, it is mainly used in ventilation systems in the thermal power generation industry, coal ash discharge pipelines, circulating water cooling systems, power station construction, wind turbine blades, poles and electrical insulation products. Epoxy resin composites in the mechanical and electrical industry The mechanical and electrical industries, traditionally made of metal materials, can now be manufactured with resin matrix composites for a higher benefit/cost ratio. Epoxy resin composites in the electronics industry Composite materials have many excellent properties, have been widely used in the electronics industry. The most representative epoxy resin composites are the printed circuit board substrate materials and the production of a variety of antenna feeder. At the same time the use of some composite materials, wave-absorbing properties, can also be made of shielding materials and stealth materials. Epoxy composites in medical and sports and recreational industry In biocomposites, composites can be used to make artificial hearts, artificial lungs and artificial blood vessels, etc. The idea of saving lives with artificial composite organs will become a reality. Composite fishing rods are the bulk of recreational equipment. And in the manufacture of musical instruments, high-performance composite materials have been promoted and applied. Epoxy composites in national defence and military and aerospace industry For aerospace flights and their safety considerations, the structural material should be lightweight, high strength, high reliability and stability epoxy carbon fibre composites become indispensable materials. Development of epoxy resin composites Composite products have also been requested to be lightweight, wear-resistant, corrosion-resistant, low-temperature-resistant, high-temperature-resistant, and oxidation-resistant. And it is requested to be Low-cost, including raw materials, composite process and quality control and other aspects. And it is also requested to be multifunctionalisation. As aerospace advanced composite materials are gradually realising the integration of structure and function by pure structure type. For more information, please kindly contact us freely!
Epoxy Resin Adhesives

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Epoxy Resin Adhesives

Epoxy Resin Adhesives Description Epoxy resin adhesives are engineering adhesives formulated from epoxy resin base, hardener, diluent, accelerator and filler. As epoxy resin can bond wood, ceramics, bonding metal, glass and other materials. And epoxy resin adhesives have good bonding performance, good functionality, relatively low price, easy bonding process and other characteristics, so epoxy resin adhesives are widely used in the transport industry, electronics industry, machinery industry and other industries. Advantages of epoxy resin adhesives Epoxy resin contains many kinds of polar groups and very active epoxy group, thus it has strong adhesion with many kinds of polar materials such as metal, glass, cement, wood, plastic, etc., especially those with high surface activity. And at the same time the cohesive strength of epoxy curing substance is also very large, so its adhesive strength is very high. Curing of epoxy resins is essentially free of low molecular volatiles. The volume shrinkage of the adhesive layer is small. Epoxy resin it is one of the varieties with the smallest curing shrinkage among thermosetting resins. There are many varieties of epoxy resins, curing agents and modifiers, which can be reasonably and cleverly formulated, so that the adhesive has the required processability (such as fast curing, room temperature curing, low-temperature curing, curing in water, low-viscosity, high-viscosity, etc.), and has the required performance (such as high-temperature, low-temperature, high-strength, high-flexibility, aging-resistant, electrically conductive, magnetically conductive, thermally conductive, etc.). Epoxy resin adhesives have good compatibility and reactivity with a variety of organic substances (monomer, resin, rubber) and inorganic substances (e.g. fillers, etc.), and are easy to copolymerisation, cross-linking, blending, filling and other modifications to improve the performance of the adhesive layer. Good corrosion resistance and dielectric properties. Resistant to acid, alkali, salt, solvents and other media corrosion. General-purpose epoxy resins, curing agents and additives have many origins and large yields, are easy to formulate. They can be contact-press molded and can be applied on a large scale. Disadvantages of epoxy resin adhesives Without toughening, the cured material is generally brittle and has poor resistance to peeling, cracking and impact. Low adhesion to materials with low polarity (e.g. polyethylene, polypropylene, fluoroplastics, etc.). Surface activation must be carried out first. Some raw materials such as active diluent, curing agent, etc. have different degrees of toxicity and irritation. The design of the formula should try to avoid the use of construction operations should be strengthened ventilation and protection. Development trend of epoxy resin adhesives Firstly, environmentally friendly adhesives have gradually become the mainstream of development, mainly reflected in the following four aspects. From solvent-based to water-based, solvent-free transformation. From low A emissions to zero formaldehyde emissions. Selection of non-toxic, non-odour green raw materials, additives. In order to reduce contact with the adhesive and easy to use, try to take a single-component packaging. Secondly, in recent years, high-quality, high-performance, high value-added adhesives have become a new profit growth point in the adhesive market and new research hot spots, mainly in the following three directions. The development of adhesives with multiple functional groups, a variety of functional groups, to overcome the performance defects of a single species. The use of copolymerization, hybrid composite, grafting, crosslinking, interpenetrating networks and other new means of modern polymer materials science, the development of water-resistant, high-temperature, high-strength, flame-retardant, room-temperature curing, nanoscale, life-activated, and other new functionalized adhesives. The development of adhesives with new curing methods, including light-curing adhesive, radiation-curing adhesive, high-frequency thermal bonding adhesive, hygroscopic curing adhesive, pressure-sensitive adhesive, hot-melt adhesive, oxygen-demanding adhesive and so on. Thirdly, raw materials from a wide range of easy to prepare, easy to use high-performance green adhesive will become the market favorite. For more information, please kindly contact us freely!
Epoxy Resin Application in Civil Engineering Construction Materials

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Epoxy Resin Application in Civil Engineering Construction Materials

Epoxy Resin Application in Civil Engineering Construction Materials Description Epoxy resins are polymer compounds that contain epoxy groups in their molecular structure, which has excellent adhesive properties, mechanical properties and chemical stability. Epoxy resin is already commonly used as the main raw materials for civil engineering construction projects, involved in all aspects of construction and maintenance of the project. At present, the amount of epoxy resin used in civil engineering construction material accounts for only about 6 to 10 per cent of the annual demand for epoxy resin. Application Epoxy resin architectural coatings Epoxy resin architectural coatings include sanitary ware coatings, antifouling coatings for kitchens, epoxy resin floor coatings, concrete pipeline coatings, oil pipelines, gas pipelines, heavy-duty anticorrosive epoxy resin powder coatings and so on. Its excellent wear-resistant, corrosion-resistant, chemical-resistant and other characteristics make it become the ideal protective coating material for the ground, wall, pipeline and other surfaces. Epoxy resin construction adhesives Epoxy resin construction adhesives include concrete structure adhesives, building facility repair adhesives, repair adhesives for cement products, and adhesives for other materials, which can improve the strength and durability of bonded or repaired materials. Epoxy resin composite products Epoxy resin is used as a base resin with glass fibre or cloth to make epoxy resin steel products. With light weight, high strength, corrosion resistance and other advantages, its product is widely used in building structures and facilities. Now Lightweight, high strength, multi-functionality are the directions of the development of composite building materials. Epoxy resin cement mortar and concrete and admixtures Epoxy resin cement mortar and epoxy resin concrete, cement and concrete reinforcing additives, epoxy resin grouting materials, are widely used in concrete repair, reinforcement and corrosion, to improve the durability and compressive strength of concrete. Development of epoxy resin in civil engineering construction materials Develop more environmentally friendly epoxy resin products to reduce the impact on the environment. Improve the durability, abrasion resistance, corrosion resistance and other properties of epoxy resin products to meet different engineering needs. Expand the application fields of epoxy resin in civil engineering, such as the development of new composite materials and the innovation of architectural coatings. Combine with intelligent technology, develop intelligent epoxy resin products to improve construction efficiency and quality. For more information, please kindly contact us freely!
Epoxy Resin Application in Carbon Fiber Reinforced Resin Composite

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Epoxy Resin Application in Carbon Fiber Reinforced Resin Composite

Epoxy Resin Application in Carbon Fiber Reinforced Resin Composite Description Carbon fiber reinforced resin composite or carbon fiber reinforced plastic (CRFP) is a new type of engineering material with high strength, high stiffness, light weight and other characteristics. CFRP has been widely used in aviation, aerospace, automotive, sports equipment and other fields. Preparation of CFRP Fiber pre-treatment The surface condition of carbon fiber, as a reinforcing material for CFRP, has an important influence on the performance of the composite material. The traditional method is to use practices such as acid washing and oxidative external treatment, but it brings environmental pollution and toxicity problems. Nowadays, surface modification is achieved by using inorganic coating and nano-flake stripping technology to enhance the mechanical properties and durability of composites. Resin matrix preparation The resin matrix of CFRP is usually an epoxy or phenolic resin. During the preparation process, different ratios and curing conditions need to be adjusted to obtain the desired properties, considering the adhesion of the resin matrix to the fibers. Composite of reinforcing material and matrix In this step, fibers and resins need to be mixed and then layered and compressed to form a composite structure. Different methods of addition affect the properties of the material, such as unidirectional, bidirectional and multidirectional. Application CFRP is widely used as material for missiles, space platforms and launch vehicles. At present, the application of CFRP in spacecraft has become mature, and it is a key material indispensable for realizing the lightweight, miniaturization and high performance of spacecraft. CFRP is widely used as material for ship hull structures. CFRP blades are not only lighter and thinner, but also improve air bubble performance, reduce vibration and underwater characteristics, and reduce fuel consumption. CFRP is widely used as material for the body structure of rail vehicles. CFRP is the focus of the new generation of high-speed rail train body material selection, which not only makes the rail train body lightweight, but also improves high-speed running performance, reduces energy consumption, reduces environmental pollution, and enhances safety. CFRP is widely used as material for the body structure of electric vehicles, with the best lightweight effect among the existing materials. CFRP is widely used as material for wind turbine blades. CFRP is a key material in the manufacture of large blades, compensating for the lack of performance of glass fiber composites (GFRP). Let's explore more other high-end applications of epoxy resins in future co-operation.

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2024-04

April 18-19th| 2024 The 11th Epoxy Resin High-end Application Technology Exchange Conference

Background In order to promote the coordinated development of the whole industry chain of epoxy resin, and solve the problems of uncontrolled expansion of production capacity, shortage of special products, unbalanced development of resin and curing agent, irrational use of resources, and asymmetry of information between upstream and downstream. Beijing Guohua New Material Technology Research Institute is going to hold "2024 (11th) Epoxy Resin High-end Application Technology Exchange Meeting and 2024 Organic Amines and Modified Amines Industry Forum" on 18-19 April 2024 in Suzhou, and "2024 Electronic Adhesive Technology and Application Innovation Development Forum", "2024 Electronic Adhesive Technology and Application Development Forum", "2024 Radiation Curing Adhesives and Coatings Advanced Workshop", "2024 Fourth Acrylic and Ester Industry Chain Innovation and Development Forum". Programme Time: 18-19 April Venue: Suzhou Welcome join us together!

11 2024-04

May 1st to 5th| May Day Holiday Notice
Dear Customers, With May Day approaching, we would like to take this opportunity to express our sincere gratitude for your steadfast support and trust throughout the year. Your partnership has been instrumental in our journey towards success. In celebration of the upcoming International Workers' Day, we are pleased to announce that our company will be observing a holiday from May 1st to May 5th, 2024. This break will provide our team with a well-deserved opportunity to recharge and spend quality time with their loved ones. During this period, our offices will be temporarily closed. However, should you have any urgent matters or inquiries, please feel free to reach out to us via email at info@yolatech.com or by phone at +86 19895593495. Our team will make every effort to assist you promptly. Once again, we extend our heartfelt appreciation for your support. We eagerly anticipate returning with renewed vigor and dedication to serving you upon resuming operations. Wishing you a joyous May Day, good health, and prosperity! Warm regards, YOLATECH TEAM
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08 2024-04

Daily Recommendation| Benzyl alcohol
Usually, the ordinary epoxy resin we apply has a large viscosity at room temperature, and in practice we will reduce its viscosity to achieve the appropriate operating effect. Reducing the viscosity of epoxy resin by using a diluent is one of the most commonly used methods. The use of diluents in epoxy resins allows for better penetration of the resin when casting, better wettability when bonding, and also increases the amount of filler in the resin mixture. The principles of the choice of diluent include can effectively reduce the viscosity of the resin; reduce the viscosity of the resin at the same time to meet the performance requirements of the resin curing material; low cost and as far as possible low toxicity or non-toxicity. Benzyl alcohol has been commonly used as a diluent for epoxy resins. Benzyl Alcohol, abbreviated as BA, is a highly soluble, colourless, low viscosity liquid. Benzyl alcohol is the simplest fatty alcohol containing phenyl, colourless transparent liquid, polar, low toxicity, low vapour pressure, slightly soluble in water (4 g/100 mL), miscible with ethanol, ether, benzene chloroform and other organic solvents. Advantages of benzyl alcohol for epoxy diluent Epoxy resin curing agent 1,3-BAC, AEP, IPDA, D-230 and other modification of the necessary solvents. The material itself is non-toxic (can be used for human injection reagents). High boiling point, non-volatile, and after curing due to the strong polarity of benzyl alcohol, can be very compatible with the epoxy resin, there will be no migration phenomenon. Benzyl alcohol can promote the reaction between epoxy resin and amine, speed up the reaction speed. Benzyl alcohol has good hydrophobic properties, can significantly improve the gloss of the coating, reduce the phenomenon of whitening. Benzyl alcohol can improve the toughness of the curing material. Benzyl alcohol typical data Appearance: colourless transparent liquid Refractive index: 1.538-1.541 Benzyl alcohol in the use of matters needing attention Benzyl alcohol needs to be kept away from light, otherwise it will turn yellow and other phenomena. It can be used in epoxy resin/amine curing system, not in epoxy resin/acid anhydride system. Control the amount of addition, because the addition of benzyl alcohol will reduce the mechanical properties of the cured material, solvent resistance and chemical resistance, so need to be determined according to actual requirements. The proportion of addition according to the actual requirements, in addition, benzyl alcohol can significantly improve the curing speed, so this point needs to be considered.
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01 2024-04

Daily Recommendation| MXDA CAS 1477-55-0
MXDA is a typical product containing aromatic ring fatty amine compounds. It is produced from m-xylene by ammonia oxidation and hydrogenation. Structure： MXDA contains aliphatic primary amine groups in its molecular structure and can be used as a room temperature curing agent. It contains a benzene ring in its molecular structure and the heat resistance of the cured product is superior to that of aliphatic polyamines.It is less irritating and less toxic than vinylamine. Characteristics of MXDA used as epoxy resin curing agent It is colorless and transparent in appearance, with no color phase burden on the cured substance. It has low viscosity and is easy to handle. It has low active hydrogen equivalent, low addition amount. It has good chemical resistance to toluene,10%wt sulphuric acid. It has good heat resistance stability. It has good salt spray resistance. Application Examples MXDA has excellent resistance to acid, toluene and salt spray, etc. It can be used in conjunction with epoxy resin in bridge repair, pipeline coating, ship containers, flooring and other anticorrosive coatings. Especially in the humid environment performance of good adhesion adhesion. MXDA is modified to synthesise water-based epoxy curing agent, which can shorten the surface drying time of epoxy coating film. The coating film has good gloss and hardness without affecting the impact resistance and flexibility of the coating film. It is especially suitable for the preparation of water-based anti-corrosion coatings. MXDA can also be modified to prepare epoxy curing agent, which is widely used in the repair of bridge construction in wet environment. Notes: The above data are only typical values, not the technical specifications of the product. The above information only describes the product performance, but does not guarantee the product performance. Due to the different formula composition and process conditions of the end products, it is recommended to test the performance and applicability of the products described above to determine whether they can achieve your expected results.
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