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Epoxy resin is a polymer compound containing two or more epoxy groups, which has excellent adhesion, chemical resistance, electrical insulation and mechanical properties. The epoxy group (-O-) in its molecular structure can react with curing agents (such as amines and acid anhydrides) to form a three-dimensional network structure to achieve curing.
1. Analysis of common models of epoxy resin
Epoxy resin 128 (E-51 type)
Chemical name: Bisphenol A type epoxy resin
Molecular weight: about 380-400 Epoxy value: 0.51eq/100g (industry standard E-51)
Characteristics: Low viscosity, good fluidity, suitable for impregnation, potting and coating processes. After curing, it has high hardness, good toughness, excellent solvent resistance and electrical insulation. It has strong versatility and can be used in combination with a variety of curing agents (such as amines and acid anhydrides).
2. Application areas
Jewelry glue (such as crystal jewelry, river table). Adhesives (such as structural glue, electronic potting glue). Paints (anti-corrosion coatings, floor coatings). Composite materials (glass fiber, carbon fiber reinforced plastic). Electronic component packaging (transformers, capacitors)
3. Selection of curing agent
Amines-based curing agents (such as IPDA, polyetheramine, aromatic amine) are suitable for curing at room temperature or medium temperature. Acid anhydride curing agents (such as methyltetrahydrophenyl anhydride) are suitable for high-temperature curing and improve heat resistance.
4. Safety protection
Epoxy resin itself is low in toxicity, but the curing agent may be irritating and protective equipment is required.
Epoxy resin is a polymer compound containing two or more epoxy groups, which has excellent adhesion, chemical resistance, electrical insulation and mechanical properties. The epoxy group (-O-) in its molecular structure can react with curing agents (such as amines and acid anhydrides) to form a three-dimensional network structure to achieve curing.
1. Analysis of common models of epoxy resin
Epoxy resin 128 (E-51 type)
Chemical name: Bisphenol A type epoxy resin
Molecular weight: about 380-400 Epoxy value: 0.51eq/100g (industry standard E-51)
Characteristics: Low viscosity, good fluidity, suitable for impregnation, potting and coating processes. After curing, it has high hardness, good toughness, excellent solvent resistance and electrical insulation. It has strong versatility and can be used in combination with a variety of curing agents (such as amines and acid anhydrides).
2. Application areas
Jewelry glue (such as crystal jewelry, river table). Adhesives (such as structural glue, electronic potting glue). Paints (anti-corrosion coatings, floor coatings). Composite materials (glass fiber, carbon fiber reinforced plastic). Electronic component packaging (transformers, capacitors)
3. Selection of curing agent
Amines-based curing agents (such as IPDA, polyetheramine, aromatic amine) are suitable for curing at room temperature or medium temperature. Acid anhydride curing agents (such as methyltetrahydrophenyl anhydride) are suitable for high-temperature curing and improve heat resistance.
4. Safety protection
Epoxy resin itself is low in toxicity, but the curing agent may be irritating and protective equipment is required.
