Epoxy adhesive and preparation method thereof

A technology of epoxy adhesive and epoxy resin, which is applied in the direction of epoxy resin glue, adhesive, adhesive additive, etc., can solve the problem of high tensile shear strength and high temperature resistance, which epoxy adhesive does not have, Short storage period and other issues, to achieve the effect of improving tensile shear strength

Inactive Publication Date: 2019-05-14
东莞市三宏胶粘材料有限公司
View PDF3 Cites 2 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The main purpose of this application is to provide a new type of epoxy adhesive to solve the problem that the epoxy adhesive in the prior art is easy to settle, the storage period is short and the epoxy adhesive does not have a high tensile shear. The problem of shear strength and high temperature resistance

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Epoxy adhesive and preparation method thereof
  • Epoxy adhesive and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] An epoxy adhesive, including: A glue and B glue,

[0033] Glue A includes the following raw material components in parts by weight: 50 parts of bisphenol A epoxy resin, 25 parts of industrial calcium carbonate, 5 parts of silane-modified nano-calcium carbonate, 3 parts of reactive diluent and 0.1 part of Fumed silica;

[0034] B glue includes the following raw material components in parts by weight: 40 parts of high molecular weight polyamide curing agent, 3 parts of accelerator, 40 parts of industrial calcium carbonate, 5 parts of silane modified nano-calcium carbonate, 3 parts of active diluent agent and 0.1 part of fumed silica.

[0035] The reactive diluent includes one or more of n-butyl glycidyl ether or glycidyl methacrylate.

[0036] The preparation method of above-mentioned epoxy adhesive, wherein,

[0037] The preparation method of A glue comprises the following steps:

[0038] Get bisphenol A type epoxy resin, industrial calcium carbonate, silane-modified...

Embodiment 2

[0042] An epoxy adhesive, including: A glue and B glue,

[0043] Glue A includes the following raw material components in parts by weight: 60 parts of bisphenol A epoxy resin, 30 parts of industrial calcium carbonate, 10 parts of silane-modified nano-calcium carbonate, 2 parts of reactive diluent, 3 parts of non-reactive diluent and 1 part fumed silica;

[0044]B glue includes the following raw material components in parts by weight: 45 parts of high molecular weight polyamide curing agent, 5 parts of accelerator, 45 parts of industrial calcium carbonate, 10 parts of silane-modified nano carbonic acid, 2 parts of reactive diluent , 3 parts of non-reactive diluent and 1 part of fumed silica.

[0045] The reactive diluent includes one or more of n-butyl glycidyl ether or glycidyl methacrylate.

[0046] Inactive diluents include one or more of benzene, toluene, xylene, benzyl alcohol, ketone solvents or ester solvents.

[0047] The preparation method of above-mentioned epoxy a...

Embodiment 3

[0053] An epoxy adhesive, including: A glue and B glue,

[0054] Glue A includes the following raw material components in parts by weight: 52 parts of bisphenol A epoxy resin E-44, 27 parts of industrial calcium carbonate, 8 parts of silane-modified nano-calcium carbonate, 4 parts of benzyl alcohol and 0.8 parts parts of fumed silica;

[0055] B glue includes the following raw material components in parts by weight: 43 parts of high molecular weight polyamide curing agent, 4 parts of accelerator K-54, 42 parts of industrial calcium carbonate, 7 parts of silane modified nano calcium carbonate, 4 parts Benzyl alcohol and 0.7 parts of fumed silica.

[0056] The preparation method of above-mentioned epoxy adhesive, wherein,

[0057] The preparation method of A glue comprises the following steps:

[0058] Take bisphenol A type epoxy resin E-44, industrial calcium carbonate, silane modified nano-calcium carbonate and benzyl alcohol and mix them for the first time (800 rpm, 1.5 ho...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

The invention discloses an epoxy adhesive and a preparation method thereof. The epoxy adhesive comprises an adhesive A and an adhesive B, wherein the adhesive A comprises the following raw materials components in parts by weight: 50 to 60 parts of bisphenol A epoxy resin, 25 to 30 parts of industrial calcium carbonate, 5 to 10 parts of silane modified nanometer calcium carbonate, 3 to 5 parts of diluent and 0.1 to 1 part of fumed silica; and the adhesive B comprises the following raw material components in parts by weight: 40 to 45 parts of a polyamide curing agent with high molecular weight,3 to 5 parts of an accelerant, 40 to 45 parts of industrial calcium carbonate, 5 to 10 parts of silane modified nanometer calcium carbonate, 3 to 5 parts of diluent and 0.1 to 1 part of fumed silica.The problems in the prior art that the epoxy adhesive has high probability of precipitation and short in storage period as well as the epoxy adhesive does not have high tensile shear strength and high-temperature resistance.

Description

technical field [0001] The present application relates to the field of adhesives, in particular to an epoxy adhesive and a preparation method thereof. Background technique [0002] Epoxy adhesives are known as universal glue and vigorous glue, and are mainly composed of two parts: epoxy resin and curing agent. It has been widely and successfully applied in aviation, construction, machinery, electrical appliances, chemical industry, petroleum, railway, light industry, agricultural machinery, arts and crafts, stationery, cultural relics restoration, and daily life. The basic components of epoxy resin adhesives are epoxy resin and curing agent. The relative molecular weight of epoxy resin used as adhesive is generally 300-7000, and the viscosity is 15-55Pa s. Since epoxy resin itself is a thermoplastic linear Compounds with a certain structure cannot be directly used as adhesives, but must be added with a curing agent and undergo a curing cross-linking reaction under certain c...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
IPC IPC(8): C09J163/00C09J11/04C08G59/44
Inventor 李昌连王志强
Owner 东莞市三宏胶粘材料有限公司
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap