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Epoxy resin adhesive with good painting performance

A technology of epoxy resin glue and adhesive, applied in the direction of epoxy resin glue, adhesive, adhesive additive, etc., can solve the problems of smearability and bonding performance not meeting the demand, and achieve obvious toughening effect, reduce dosage, less brittle effect

Inactive Publication Date: 2017-09-05
芜湖瀚邦新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As a kind of epoxy adhesive, room temperature curing epoxy adhesive has a series of advantages such as time saving, labor saving, energy saving, and convenient use. It has become one of the important varieties with wide application and large quantity in the field of adhesives, but Its brittleness, smearability and bonding performance can not meet the demand

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] An epoxy resin adhesive with good spreadability proposed by the present invention, its raw materials include A component and B component by weight, and the weight ratio of A component and B component is 100:4;

[0019] The raw materials of component A include by weight: 80 parts of substrate, 18 parts of β-cyclodextrin compound, 5 parts of phthalate, 15 parts of filler, 3 parts of vinyltriethoxysilane, three 40 parts of methylolpropane-oxypropylene polyether triol, 3 parts of antioxidant, 2 parts of dispersant;

[0020] The raw materials of component B include by weight: 1.5 parts of phenolic modified amine curing agent, 1 part of diaminodiphenylmethane, and 25 parts of trimethylolpropane-oxypropylene polyether triol.

Embodiment 2

[0022] An epoxy resin adhesive with good spreadability proposed by the present invention, its raw materials include A component and B component by weight, and the weight ratio of A component and B component is 100:8;

[0023] The raw materials of component A include by weight: 70 parts of substrate, 22 parts of β-cyclodextrin compound, 3 parts of phthalate, 25 parts of filler, 2 parts of vinyltriethoxysilane, three 60 parts of methylolpropane-oxypropylene polyether triol, 2 parts of antioxidant, 4 parts of dispersant;

[0024] The raw materials of component B include by weight: 0.5 parts of phenolic modified amine curing agent, 3 parts of diaminodiphenylmethane, and 15 parts of trimethylolpropane-oxypropylene polyether triol.

[0025] The base material includes by weight: 30 parts of bisphenol F epoxy resin and 24 parts of bisphenol fluorene epoxy resin.

[0026] The filler comprises by weight: 5 parts of titanium dioxide, 9 parts of nano silicon dioxide, and 5 parts of activ...

Embodiment 3

[0029] An epoxy resin adhesive with good spreadability proposed by the present invention, its raw materials include A component and B component by weight, and the weight ratio of A component and B component is 100:6;

[0030] The raw materials of component A include by weight: 75 parts of substrate, 20 parts of β-cyclodextrin compound, 4 parts of phthalate, 20 parts of filler, 2.5 parts of vinyltriethoxysilane, three 50 parts of methylolpropane-oxypropylene polyether triol, 2.5 parts of antioxidant, 3 parts of dispersant;

[0031] The raw materials of component B include by weight: 1 part of phenolic modified amine curing agent, 2 parts of diaminodiphenylmethane, and 20 parts of trimethylolpropane-oxypropylene polyether triol.

[0032] The base material includes by weight: 40 parts of bisphenol F epoxy resin and 16 parts of bisphenol fluorene epoxy resin.

[0033] The filler includes, in parts by weight: 7 parts of titanium dioxide, 5 parts of nano silicon dioxide, and 7 part...

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PUM

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Abstract

The invention discloses an epoxy resin adhesive with good painting performance. The epoxy resin adhesive comprises a component A and a component B, the weight ratio of the component A to the component B is 100: (4-8), the component A comprises, by weight, 70-80 parts of substrates, 18-22 parts of beta-cyclodextrin compounds, 3-5 parts of phthalic acid ester, 15-25 parts of filling agents, 2-3 parts of vinyltriethoxysilane, 40-60 parts of trimethylolpropane-propylene oxide polyether triol, 2-3 parts of anti-aging agents and 2-4 parts of dispersing agents, and the component B comprises, by weight, 0.5-1.5 parts of phenolic modified amine curing agents, 1-3 parts of diaminodiphenylmethane and 15-25 parts of trimethylolpropane-propylene oxide polyether triol. The epoxy resin adhesive has good curing performance and mechanical strength and is high in toughness and anti-impact strength, low in brittleness, good in painting performance and low in cost.

Description

technical field [0001] The invention relates to the technical field of epoxy resin adhesives, in particular to an epoxy resin adhesive with good spreadability. Background technique [0002] As a high-performance resin, epoxy resin has excellent mechanical properties, electrical insulation properties, chemical stability and other advantages, so it is widely used in adhesives, coatings, functional materials and other industries. As a kind of epoxy adhesive, room temperature curing epoxy adhesive has a series of advantages such as time saving, labor saving, energy saving, and convenient use. It has become one of the important varieties with wide application and large quantity in the field of adhesives. Its brittleness, smearability and bonding performance can not meet the demand. Contents of the invention [0003] Based on the technical problems existing in the background technology, the present invention proposes an epoxy resin adhesive with good spreadability, which has go...

Claims

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Application Information

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IPC IPC(8): C09J163/00C09J105/16C09J11/04C09J11/06C09J11/08C08B37/16
CPCC08B37/0012C08K2003/2206C08K2003/2241C08K2201/011C08L2201/08C08L2205/025C08L2205/035C09J11/04C09J11/06C09J11/08C09J163/00C08L63/00C08L5/16C08L91/06C08L23/06C08L71/02C08K13/02C08K5/12C08K3/22C08K3/36C08K5/098C08K5/5425
Inventor 刘发旺
Owner 芜湖瀚邦新材料科技有限公司
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