Glass fiber chemical polishing agent and preparation method and application thereof

A technology of chemical polishing and glass fiber, which is applied in the direction of chemical instruments and methods, polishing compositions, etc., can solve the problems of restricting the practical application of glass fiber, uneven force, strength decline, etc., and achieve simple and easy processing technology and high strength , the effect of surface roughness reduction

Inactive Publication Date: 2020-08-28
BEIJING INST OF ASTRONAUTICAL SYST ENG +1
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  • Summary
  • Abstract
  • Description
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AI Technical Summary

Problems solved by technology

Due to the existence of micro-cracks, the glass is subjected to uneven force under the action of external force, and stress concentration occurs at the most

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0022] A glass fiber chemical polishing agent, the raw material of the chemical polishing agent includes sodium fluoride, formic acid, slow-release agent, coupling agent, emulsifier and solvent;

[0023] Described sustained-release agent is the mixture of ethylenediaminetetraacetic acid and ethylenediamine;

[0024] The coupling agent is γ-aminopropyltriethoxysilane;

[0025] Described emulsifier is sodium dodecylbenzenesulfonate;

[0026] Described solvent is deionized water;

[0027] Taking the total mass of the raw materials of the chemical polishing agent as 100%, the mass percentage of each component is: the mass percentage of sodium fluoride is 2%, the mass percentage of formic acid is 1%, and the slow-release agent The mass percentage of ethylenediaminetetraacetic acid is 0.1%, the mass percentage of ethylenediamine in the slow-release agent is 0.2%, the mass percentage of coupling agent is 0.3%, and the mass percentage of emulsifier is 0.01%, the balance is solvent....

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PUM

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Abstract

The invention relates to a glass fiber chemical polishing agent and a preparation method and application thereof, in particular to a chemical polishing agent capable of effectively reducing the surface roughness of glass fibers and a preparation method thereof, and belongs to the technical field of glass fiber manufacturing, the technical field of organic/inorganic chemical engineering and the field of thermal protection base materials. The roughness of the glass fiber is reduced to 53-92 nm from 210 nm or above, and the tensile strength of the monofilament is remarkably improved to 1205-1654MPa from 917 MPa; the surface roughness of the glass fiber treated by the polishing agent is obviously reduced, and then the micro-defect size and quantity are obviously reduced and the strength of the glass fibers is obviously improved; in addition, the glass fiber polishing agent has the greatest characteristics of simple preparation process, wide raw material source, low price, simple and feasible treatment process, large mechanical property improvement amplitude and the like.

Description

technical field [0001] The invention relates to a chemical polishing agent for glass fiber and its preparation method and application, in particular to a chemical polishing agent for effectively reducing the surface roughness of glass fiber and its preparation method, which belongs to the technical field of glass fiber manufacturing and also belongs to organic / inorganic chemical industry The technical field also belongs to the field of thermal protection basic materials. Background technique [0002] At present, the annual output of glass fiber in my country has reached more than 4 million tons, and glass fiber products are widely used in various fields of the national economy. Among them, electronics, transportation and construction are the three most important application fields, which also represent the future of the world glass fiber industry. trends over the years. In the long run, the strengthening and transformation of infrastructure in the Middle East and Asia-Pacifi...

Claims

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Application Information

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IPC IPC(8): C09G1/18C03C25/68
CPCC03C25/68C09G1/18
Inventor 王国辉王力波刘立新刘树仁陈红波赵继亮廖锡广刘强
Owner BEIJING INST OF ASTRONAUTICAL SYST ENG
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