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Epoxy adhesive for metal materials

An epoxy adhesive, metal material technology, applied in the direction of adhesive, epoxy resin glue, adhesive type, etc., can solve the problems of waterproof and aging resistance not meeting the requirements, poor bonding strength of high temperature metal materials, etc. The effect of avoiding hydrolysis loss, enhancing bonding performance and high bonding strength

Active Publication Date: 2018-02-13
太湖县市场监督检验所(太湖县功能膜检测研究院)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Epoxy resin adhesive is a liquid or solid adhesive composed of epoxy resin, curing agent, accelerator, modifier, diluent, filler, etc. It has excellent adhesion to various metal materials and non-metal materials. Performance, at present, the epoxy resin adhesives widely used in our country have poor bonding strength to high-temperature metal materials, and the waterproof and aging resistance performance cannot meet the requirements, which has always been a concern of the adhesive industry

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0015] An epoxy adhesive for metal materials, its raw materials include by weight: 10 parts of bisphenol A epoxy resin, 15 parts of bisphenol F epoxy resin, 10 parts of rosin resin, 30 parts of modified composite protein, nitrile 1 part of rubber, 5 parts of polyamide 203#, 2 parts of polyamide 400#, 2 parts of phenolic resin, 1 part of 2-(N,N-dimethylaminomethyl)-phenol, 2,4,6-tri(N , N-dimethylaminomethyl)-phenol 3 parts, propylene oxide propyl ether 10 parts, ethylene glycol monomethyl ether 15 parts, diglycidyl ether 2 parts, ethylene glycol diglycidyl ether 12 parts, stable 1 part of antioxidant, 2 parts of antioxidant, 1 part of epoxidized pyridyl SBS, 2 parts of γ-propylmethacrylate trimethoxysilane, and 0.5 part of γ-mercaptopropyltriethoxysilane.

Embodiment 2

[0017] An epoxy adhesive for metal materials, its raw materials include by weight: 30 parts of bisphenol A epoxy resin, 5 parts of bisphenol F epoxy resin, 30 parts of rosin resin, 15 parts of modified composite protein, nitrile 6 parts of rubber, 1 part of polyamide 203#, 8 parts of polyamide 400#, 1 part of phenolic resin, 2 parts of 2-(N,N-dimethylaminomethyl)-phenol, 2,4,6-tri(N , 1 part of N-dimethylaminomethyl)-phenol, 20 parts of propylene oxide propyl ether, 5 parts of ethylene glycol monomethyl ether, 10 parts of diglycidyl ether, 2 parts of ethylene glycol diglycidyl ether, stable 3 parts of antioxidant, 1 part of antioxidant, 3 parts of epoxidized pyridyl SBS, 1 part of γ-propylmethacrylate trimethoxysilane, and 1.5 parts of γ-mercaptopropyltriethoxysilane.

Embodiment 3

[0019] An epoxy adhesive for metal materials, its raw materials include by weight: 18 parts of bisphenol A epoxy resin, 13 parts of bisphenol F epoxy resin, 20 parts of rosin resin, 28 parts of modified composite protein, nitrile 2 parts of rubber, 3.5 parts of polyamide 203#, 4 parts of polyamide 400#, 1.8 parts of phenolic resin, 1.4 parts of 2-(N,N-dimethylaminomethyl)-phenol, 2,4,6-tri(N , N-dimethylaminomethyl)-phenol 2.5 parts, propylene oxide propyl ether 14 parts, ethylene glycol monomethyl ether 12 parts, diglycidyl ether 5 parts, ethylene glycol diglycidyl ether 10 parts, stable 2 parts of antioxidant, 1.8 parts of antioxidant, 1.5 parts of epoxidized pyridyl SBS, 1.8 parts of γ-propylmethacrylate trimethoxysilane, and 1.2 parts of γ-mercaptopropyltriethoxysilane.

[0020] The modified composite protein is prepared by the following process: 40 parts by weight of soybean meal and 100 parts of soft water are mixed and stirred for 4 hours, 0.1 part of sodium sulfite is ...

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PUM

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Abstract

The invention discloses an epoxy adhesive for metal materials, made from the materials according to parts by weight: 10-30 parts of bisphenol A epoxy resin, 5-15 parts of bisphenol F epoxy resin, 10-30 parts of rosin resin, 15-30 parts of modified composite protein, 1-6 parts of nitrile rubber, 1-5 parts of polyamide 203#, 2-8 parts of polyamide 400#, 1-2 parts of phenolic resin, 1-2 parts of 2-(N,N-dimethylaminomethyl)-phenol, 1-3 parts of 2,4,6-tris(N,N-dimethylaminomethyl)-phenol, 10-20 parts of propylene oxide propyl ether, 5-15 parts of ethylene glycol monomethyl ether, 2-10 parts of diglycidyl ether, 2-12 parts of ethylene glycol diglycidyl ether, 1-3 parts of a stabilizer, 1-2 parts of an antioxidant, 1-3 part of epoxidized pyridyl SBS, 1-2 parts of Gamma-(trimethoxysilane) propyl methacrylate, and 0.5-1.5 parts of Gamma-mercaptopropyltriethoxysilane. The epoxy adhesive of the invention has high adhesive strength, good heat resistance, good water resistance and peeling resistance, environmental friendliness and zero environmental pollution.

Description

technical field [0001] The invention relates to the technical field of epoxy adhesives, in particular to an epoxy adhesive for metal materials. Background technique [0002] Epoxy resin adhesive is a liquid or solid adhesive composed of epoxy resin, curing agent, accelerator, modifier, diluent, filler, etc. It has excellent adhesion to various metal materials and non-metal materials. Performance. At present, epoxy resin adhesives widely used in my country have poor bonding strength to high-temperature metal materials, and the waterproof and aging resistance properties cannot meet the requirements, which has always been a concern of the adhesive industry. Contents of the invention [0003] An epoxy adhesive for metal materials, the product has high bonding strength, good heat resistance, good waterproof and anti-peeling strength, and is environmentally friendly and does not pollute the environment. [0004] A kind of epoxy adhesive for metal materials proposed by the presen...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09J189/00C09J163/00C09J11/06
CPCC08L2205/025C08L2205/035C09J11/06C09J163/00C09J189/00C08L63/00C08L93/04C08L9/02C08L77/00C08L61/06C08L53/025C08K5/17C08K5/1515C08K5/06C08K5/548C08K5/5425C08L89/00
Inventor 唐述振
Owner 太湖县市场监督检验所(太湖县功能膜检测研究院)
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