Flame-retardant glass fiber composite material and preparation method thereof

A technology of glass fiber and composite materials, which is applied in the field of flame-retardant glass fiber composite materials, and can solve the problems of loose glass fiber structure, glass fiber elastic modulus, reduction of hardness and chemical stability, and easy fracture of glass fiber.

Active Publication Date: 2022-03-01
山东墨匠新材料科技有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] There are many problems in the actual preparation process of the above-mentioned glass fiber composite materials, for example: due to the introduction of 15-25wt% B in the glass fiber 2 o 3 , leading to a large reduction in glass viscosity, and the introduction of a

Method used

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  • Flame-retardant glass fiber composite material and preparation method thereof
  • Flame-retardant glass fiber composite material and preparation method thereof

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Effect test

Embodiment 1

[0020] A kind of fire-retardant glass fiber composite material, raw material comprises glass fiber composition and epoxy resin substrate glue solution, and described glass fiber composition is mainly made up of the raw material of following weight parts: SiO 2 60 parts, γ-Al 2 o 3 8 parts, CaO12 parts, MgO10 parts, B 2 o 3 3 copies, Li 2 O0.2 parts, Na 2 O1.2 parts, Sb 2 o 3 0.02 parts and 0.3 parts of Co powder; 110 parts of the epoxy resin, 22 parts of silica nanoparticles, 12 parts of hexahydrophthalic anhydride, 12 parts of polyacrylamide, 2 parts of carboxymethyl cellulose, and nanometer CaCO31. 3 parts and 7 parts aluminum hydroxide.

[0021]The γ-Al 2 o 3 The particle size is 10-25nm, and the specific surface area is ≥300m 2 / g, the Li 2 O, Na 2 O, Sb 2 o 3 and Co powder particle size are smaller than γ-Al 2 o 3 particle size.

[0022] The mixing method of described glass fiber composition comprises the steps:

[0023] (1) Weigh the raw materials ac...

Embodiment 2

[0028] A flame-retardant glass fiber composite material, raw materials include a glass fiber composition and an epoxy resin substrate glue, the weight ratio of the glass fiber composition to the epoxy resin substrate glue is 7:3; the glass The fiber composition is mainly composed of the following raw materials in parts by weight: SiO 2 58 parts, γ-Al 2 o 3 5 parts, CaO8 parts, MgO8 parts, B 2 o 3 2 copies, Li 2 O0.1 parts, Na 2 O0.5 parts, Sb 2 o 3 0.01 part and 0.1 part of Co powder; the epoxy resin substrate glue mainly consists of the following raw materials in parts by weight: 100 parts of epoxy resin, 20 parts of silica nanoparticles, 5 parts of hexahydrophthalic anhydride, 5 parts of polyacrylamide, 1 part of carboxymethyl cellulose, nano-CaCO 3 0.5 parts and 5 parts of aluminum hydroxide.

[0029] The γ-Al 2 o 3 The particle size is 10-25nm, and the specific surface area is ≥300m 2 / g, the Li 2 O, Na 2 O, Sb 2 o 3 and Co powder particle size are small...

Embodiment 3

[0036] A flame-retardant glass fiber composite material, raw materials include a glass fiber composition and an epoxy resin substrate glue, the weight ratio of the glass fiber composition to the epoxy resin substrate glue is 7:3.5; the glass The fiber composition is mainly composed of the following raw materials in parts by weight: SiO 2 65 parts, γ-Al 2 o 3 10 parts, CaO16 parts, MgO13 parts, B 2 o 3 5 copies, Li 2 O0.3 parts, Na 2 O2 parts, Sb 2 o 3 0.03 part and 0.5 part of Co powder; the epoxy resin substrate glue mainly consists of the following raw materials in parts by weight: 120 parts of epoxy resin, 25 parts of silica nanoparticles, 10 parts of hexahydrophthalic anhydride, 10 parts of polyacrylamide, 3 parts of carboxymethyl cellulose, nano-CaCO 3 2 parts and 10 parts of aluminum hydroxide.

[0037] The γ-Al 2 o 3 The particle size is 10-25nm, and the specific surface area is ≥300m 2 / g, the Li 2 O, Na 2 O, Sb 2 o 3 and Co powder particle size are ...

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Abstract

The invention relates to the technical field of glass fiber composite materials, in particular to a flame-retardant glass fiber composite material and a preparation method thereof. The flame-retardant glass fiber composite material comprises the following raw materials: a glass fiber composition and an epoxy resin base material glue solution, wherein the weight ratio of the glass fiber composition to the epoxy resin base material glue solution is 7: (3-3.5); the glass fiber composition is mainly prepared from the following raw materials in parts by weight: 58 to 65 parts of SiO2, 5 to 10 parts of gamma-Al2O3, 8 to 16 parts of CaO, 8 to 13 parts of MgO, 2 to 5 parts of B2O3, 0.1 to 0.3 part of Li2O, 0.5 to 2 parts of Na2O, 0.01 to 0.03 part of Sb2O3 and 0.1 to 0.5 part of Co powder. The melting point of the glass fiber is reduced on the premise that the performance of the glass fiber is not affected, the flame retardance is enhanced, smooth wire drawing is ensured, and the prepared glass fiber composite material is good in fire resistance.

Description

technical field [0001] The invention relates to the technical field of glass fiber composite materials, in particular to a flame-retardant glass fiber composite material. Background technique [0002] Glass fiber is a high-performance inorganic material with excellent mechanical properties, corrosion resistance, high temperature resistance and good insulation. It is a glass fiber composite material formed by compounding organic materials such as thermosetting resins or thermoplastic resins, and is widely used in various fields of the national economy. Glass fiber composite material is one of the fastest-growing and most widely used high-performance composite materials. [0003] The fire resistance performance of glass fiber composite materials is more important in various fields in practical applications. How to develop flame-retardant glass fiber composite materials is an important topic for those skilled in the art. [0004] Chinese patent CN104402235B authorizes and ann...

Claims

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Application Information

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IPC IPC(8): C04B26/14C03C13/00C04B111/28
CPCC04B26/14C03C13/00C04B2111/28C04B2201/50C04B14/42C04B14/062C04B24/04C04B24/2652C04B24/383C04B14/28C04B14/303
Inventor 刘兴月齐元彬孙立超
Owner 山东墨匠新材料科技有限公司
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