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Glass fiber resin composite material and preparation method thereof

A technology of glass fiber resin and composite material, applied in the field of glass fiber composite material, can solve problems to be improved, etc.

Pending Publication Date: 2021-09-10
临沂天炬节能材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The existing glass fiber resin composite materials still need to be improved in terms of hardness and strength

Method used

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  • Glass fiber resin composite material and preparation method thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] A glass fiber resin composite material, raw materials include glass fiber cloth and epoxy resin substrate glue, the weight ratio of the glass fiber cloth to the epoxy resin substrate glue is 7:3.2; the epoxy resin substrate The glue solution is mainly composed of the following raw materials in parts by weight: 100 parts of epoxy resin, 6 parts of porous glass microspheres, 14 parts of alumina powder, 7 parts of dispersant, and 3 parts of adhesive.

[0022] The particle size of the porous glass microspheres is 20-30 μm, and the specific surface area is 150-200 μm 2 / g; the particle size of the alumina powder is 5-20nm; the dispersant is gull gum; the binder is carboxymethyl cellulose.

[0023] The epoxy resin substrate glue solution comprises the following preparation steps:

[0024] (1) Wash the porous glass microbeads of specified weight parts with deionized water, place them in methanol solution for ultrasonic treatment for 12min, take out the porous glass microbeads...

Embodiment 2

[0031] A glass fiber resin composite material, raw materials include glass fiber cloth and epoxy resin substrate glue, the weight ratio of the glass fiber cloth to the epoxy resin substrate glue is 7:3; the epoxy resin substrate The glue solution is mainly composed of the following raw materials in parts by weight: 80 parts of epoxy resin, 8 parts of porous glass microspheres, 12 parts of alumina powder, 5 parts of dispersant, and 2 parts of adhesive.

[0032] The particle size of the porous glass microspheres is 20-30 μm, and the specific surface area is 150-200 μm 2 / g; the particle size of the aluminum oxide powder is 5-20nm; the dispersant is polyacrylamide; the binder is carboxymethyl cellulose.

[0033] The epoxy resin substrate glue solution comprises the following preparation steps:

[0034] (1) Wash the porous glass microbeads of specified weight parts with deionized water, place them in methanol solution for ultrasonic treatment for 10 minutes, take out the porous g...

Embodiment 3

[0041] A glass fiber resin composite material, raw materials include glass fiber cloth and epoxy resin substrate glue, the weight ratio of the glass fiber cloth to the epoxy resin substrate glue is 7:3.5; the epoxy resin substrate The glue solution is mainly composed of the following raw materials in parts by weight: 110 parts of epoxy resin, 10 parts of porous glass microspheres, 16 parts of alumina powder, 9 parts of dispersant, and 5 parts of adhesive.

[0042] The particle size of the porous glass microspheres is 20-30 μm, and the specific surface area is 150-200 μm 2 / g; the particle size of the alumina powder is 5-20nm; the dispersant is gull gum; the binder is carboxymethyl cellulose.

[0043] The epoxy resin substrate glue solution comprises the following preparation steps:

[0044] (1) Wash the porous glass microbeads of specified weight parts with deionized water, place them in methanol solution for ultrasonic treatment for 15min, take out the porous glass microbeads ...

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Abstract

The invention relates to the technical field of glass fiber composite materials, in particular to a glass fiber resin composite material and a preparation method thereof. The raw materials of the glass fiber resin composite material comprise glass fiber cloth and an epoxy resin base material glue solution, wherein the weight ratio of the glass fiber cloth to the epoxy resin base material glue solution is 7: (3-3.5), and the epoxy resin base material glue solution is prepared from the following raw materials in parts by weight: 80-110 parts of epoxy resin, 8-10 parts of porous glass micro-beads, 12-16 parts of alumina powder, 5-9 parts of a dispersing agent and 2-5 parts of an adhesive. According to the invention, porous glass micro-beads are treated to form high-strength and high-dispersity microspheres, the high-strength and high-dispersity microspheres are uniformly mixed with epoxy resin to prepare an epoxy resin base material glue solution, glass fiber cloth quickly passes through the molten epoxy resin base material glue solution, the surface of the glass fiber cloth is quickly coated with the epoxy resin base material glue solution, and the hardness and the strength of the formed glass fiber resin composite material are greatly improved.

Description

technical field [0001] The invention relates to the technical field of glass fiber composite materials, in particular to a glass fiber resin composite material and a preparation method thereof. Background technique [0002] Commonly used glass fiber composite materials refer to resin-based composite materials, which can be formed by hand lay-up, winding, pressing and other molding processes, as well as injection and pultrusion molding processes. Due to the characteristics of light weight, corrosion resistance and insulation, glass fiber reinforced composite materials can be widely used in hand machinery, chemical industry, transportation and other fields. In the military field, it can be used for radomes, fairings, missile warheads and solid rocket launchers to sweep L ablation heat-resistant layers, missile launchers, firearms and mountain combat vehicle structural parts, etc. [0003] The existing glass fiber resin composite materials still need to be improved in properti...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L63/00C08L33/26C08L1/28C08K7/14C08K7/28C08K3/22
CPCC08L63/00C08K2003/2227C08L2205/03C08L33/26C08L1/286C08K7/14C08K7/28C08K3/22
Inventor 李金保齐元彬崔岩军
Owner 临沂天炬节能材料科技有限公司
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