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Organic-inorganic hybrid high-temperature-resistant basalt fiber impregnating compound and preparation method thereof

A technology of basalt fiber and high temperature resistance, applied in the field of sizing agent, can solve the problems of losing sizing agent, hindering the advantages of high temperature performance of basalt fiber, poor temperature resistance, etc., and achieving the effect of inhibiting cracking and shedding

Active Publication Date: 2020-05-29
南京航科高新材料研究院有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The film-forming agents of the above sizing agents are all resin materials, and the organic film layer formed on the surface of basalt fiber has poor temperature resistance
When the basalt fiber is used at high temperature (≥300°C), the organic film layer formed by the sizing agent will undergo thermal decomposition and lose the effect of the sizing agent, which seriously hinders the high-temperature performance advantages of the basalt fiber.

Method used

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  • Organic-inorganic hybrid high-temperature-resistant basalt fiber impregnating compound and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] This example provides an organic-inorganic hybrid heat-resistant basalt fiber sizing agent, which is made of the following components and corresponding mass percentages:

[0023] Hydroxyl-terminated silicone oil and hydrogen-containing silicone oil (the stoichiometric ratio of hydroxyl and hydrogen atoms is 1:1): 10%;

[0024] Ethyl orthosilicate: 1%;

[0025] Tartaric acid: 0.02%;

[0026] Ethanol: 1%;

[0027] Fumed silica: 4%;

[0028] Mica powder: 3%;

[0029] Zinc phosphate powder: 3%;

[0030] Coupling agent KH550: 1%;

[0031] Sodium bentonite: 0.2%;

[0032] Water: balance.

[0033]The preparation method of the organic-inorganic hybrid heat-resistant basalt fiber sizing agent is as follows: according to the formula, first dissolve ethyl orthosilicate and tartaric acid in ethanol, and prepare component A for later use; then add hydroxyl-terminated silicone oil and hydrogen-containing silicone oil to pH In the mixed solution of acetic acid and water with a...

Embodiment 2

[0037] This example provides an organic-inorganic hybrid heat-resistant basalt fiber sizing agent, which is made of the following components and corresponding mass percentages:

[0038] Hydroxyl silicone oil and hydrogen-containing silicone oil (the stoichiometric ratio of hydroxyl and hydrogen atoms is 1:1): 2%;

[0039] Ethyl orthosilicate: 0.2%;

[0040] Dibutyltin dilaurate: 0.004%;

[0041] Isopropanol: 0.2%;

[0042] Fumed silica: 0.5%;

[0043] Mica powder: 0.5%;

[0044] Zinc phosphate powder: 0.5%;

[0045] Coupling agent KH550: 0.5%;

[0046] Sodium bentonite: 0.1%;

[0047] Water: balance.

[0048] The preparation method of the organic-inorganic hybrid heat-resistant basalt fiber sizing agent is as follows: according to the formula, first dissolve ethyl orthosilicate and dibutyltin dilaurate in isopropanol, and prepare component A for later use; then mix hydroxyl silicone oil and Add hydrogen-containing silicone oil into the mixed solution of acetic acid and...

Embodiment 3

[0051] This example provides an organic-inorganic hybrid heat-resistant basalt fiber sizing agent, which is made of the following components and corresponding mass percentages:

[0052] Hydroxyl silicone oil and hydrogen-containing silicone oil (the stoichiometric ratio of hydroxyl and hydrogen atoms is 1:1): 3%;

[0053] Ethyl orthosilicate: 0.3%;

[0054] Tartaric acid: 0.006%;

[0055] Butanol: 0.3%;

[0056] Fumed silica: 2%;

[0057] Mica powder: 2%;

[0058] Zinc phosphate powder: 2%;

[0059] Coupling agent KH550: 1%;

[0060] Sodium bentonite: 0.2%;

[0061] Water: balance.

[0062] The preparation method of the organic-inorganic hybrid heat-resistant basalt fiber sizing agent is as follows: according to the formula, first dissolve ethyl orthosilicate and tartaric acid in n-butanol, and prepare component A for later use; then add hydroxyl silicone oil and hydrogen silicone oil In the mixed solution of acetic acid and water with a pH of 6, stir and emulsify at a...

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Abstract

The invention discloses an organic-inorganic hybrid high-temperature-resistant basalt fiber impregnating compound and a preparation method thereof. The impregnating compound is prepared from the following components in percentage by mass: 2-10% of an organic precursor film-forming agent, 0.2-1% of a cross-linking agent, 0.04-0.2% of a catalyst, 0.2-1% of a cosolvent, 2.1-11.2% of a filler, and thebalance of water. The organic precursor film-forming agent is hydroxyl silicone oil and hydrogen-containing silicone oil. The impregnating compound can achieve the effects of improving the high temperature resistance, bundling property and wear resistance of basalt fibers and softening the fibers, so that the mechanical property of the basalt fibers is improved, and the high-temperature interfaceperformance of a basalt fiber material is improved.

Description

technical field [0001] The invention belongs to the technical field of sizing agents, and relates to a basalt fiber sizing agent, in particular to an organic-inorganic hybrid heat-resistant basalt fiber sizing agent and a preparation method thereof. Background technique [0002] Basalt fiber is a new type of inorganic fiber, which has a series of advantages such as high strength, high temperature resistance, and corrosion resistance. However, the characteristics of inorganic materials also make it more brittle than traditional organic fibers, and it is easy to produce and use. Insufficient damage. The unique physical structure and chemical composition of basalt fiber make it superior to glass fiber and chemical fiber in many technical indicators such as high temperature resistance (continuous temperature resistance of about 300-500 ° C), stability, corrosion resistance, hydrolysis resistance and insulation. fiber, becoming an ideal high temperature resistant inorganic fiber...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C03C25/47C03C25/42
CPCC03C25/47C03C25/42
Inventor 汪涛
Owner 南京航科高新材料研究院有限公司
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