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Basalt fiber with high breaking strength

A basalt fiber, high fracture technology, applied in the field of fiber processing, can solve the problems of poor surface properties and general fracture strength, and achieve the effects of improving the structure, improving the mechanical properties, and increasing the contact area.

Inactive Publication Date: 2018-11-13
王韶华
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the overall properties of basalt fiber are good, there are still some disadvantages in use, such as poor surface properties and general fracture strength.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] A basalt fiber with high fracture strength is obtained by preparing basalt fiber raw material from basalt ore powder modified by nano-silica, and then performing in-situ amidoxim modification on the basalt raw material.

[0019] Further, the preparation method of basalt ore powder modified by nano-silica is:

[0020] The basalt ore is crushed to 150 meshes to obtain basalt ore powder, and then the basalt ore powder is added to the nano-silica modification solution for immersion modification treatment, and the temperature of the nano-silica modification solution is kept at 90℃ by heating. Stir at a speed of 3500r / min for 40 minutes, and then filter, clean, and dry to a constant weight to obtain; the nano-silica modified liquid is made of the following components by weight: 1 part of silane coupling agent, 8.5 parts of absolute ethanol, 1.2 parts of emulsifier, 3 parts of nano silica, 1 part of phosphoric acid, 80 parts of deionized water.

[0021] Further, the emulsifier is fa...

Embodiment 2

[0030] A basalt fiber with high fracture strength is obtained by preparing basalt fiber raw material from basalt ore powder modified by nano-silica, and then performing in-situ amidoxim modification on the basalt raw material.

[0031] Further, the preparation method of basalt ore powder modified by nano-silica is:

[0032] The basalt ore is crushed to 150 meshes to obtain basalt ore powder, and then the basalt ore powder is added to the nano-silica modification solution for immersion modification treatment, and the temperature of the nano-silica modification solution is kept at 92℃ by heating. Stir at a speed of 3500r / min for 40 minutes, then filter, clean, and dry to a constant weight to obtain; the nano-silica modified liquid is made of the following components in parts by weight: 3 parts silane coupling agent, 8.8 parts of absolute ethanol, 1.5 parts of emulsifier, 6 parts of nano silica, 3 parts of phosphoric acid, 85 parts of deionized water.

[0033] Further, the emulsifier i...

Embodiment 3

[0042] A basalt fiber with high fracture strength is obtained by preparing basalt fiber raw material from basalt ore powder modified by nano-silica, and then performing in-situ amidoxim modification on the basalt raw material.

[0043] Further, the preparation method of basalt ore powder modified by nano-silica is:

[0044] The basalt ore is crushed to 150 meshes to obtain basalt ore powder, and then the basalt ore powder is added to the nano-silica modification solution for immersion modification treatment, and the temperature of the nano-silica modification solution is maintained at 91℃ by heating. Stir at a speed of 3500r / min for 40 minutes, then filter, clean, and dry to a constant weight to obtain; the nano-silica modified liquid is made of the following components by weight: 2 parts silane coupling agent, 8.6 parts of absolute ethanol, 1.3 parts of emulsifier, 5 parts of nano silica, 2 parts of phosphoric acid, 83 parts of deionized water.

[0045] Further, the emulsifier is f...

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PUM

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Abstract

The invention discloses basalt fiber with high breaking strength, and relates to the technical field of fiber processing. The basalt fiber is formed by preparing a basalt fiber initial material through nanosilicon dioxide modified basalt mineral powder, and then performing in situ amidoximation modification on the basalt fiber initial material. The basalt fiber has better breaking strength and impact strength.

Description

Technical field [0001] The invention belongs to the technical field of fiber processing, and specifically relates to a basalt fiber with high breaking strength. Background technique [0002] Basalt fiber is a new type of inorganic environmentally friendly green high-performance fiber material. It is a basalt rock material composed of oxides such as silica, alumina, calcium oxide, iron oxide and titanium dioxide. Drawn. The production process of basalt fiber determines that it produces less waste and has little environmental pollution. After the product is discarded, it can be directly degraded in the environment without any harm, so it is a veritable green and environmentally friendly material. my country has listed basalt fiber as one of the four major fibers (carbon fiber, aramid, ultra-high molecular weight polyethylene, and basalt fiber) to be developed and realized industrialized production. Continuous basalt fibers have been widely used in fiber-reinforced composite mater...

Claims

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Application Information

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IPC IPC(8): C03C13/06C03B37/00
CPCC03C13/06C03B37/00
Inventor 王韶华
Owner 王韶华
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