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Antistatic impregnating compound for glass fibers and preparation method thereof

A technology of glass fiber and antistatic agent, which is applied in the field of glass fiber antistatic sizing agent and its preparation, can solve the problems that cannot meet the needs of the production workshop, and achieve the reduction of hairiness, lower dynamic friction coefficient, and excellent antistatic effect Effect

Pending Publication Date: 2021-02-23
LINZHOU GUANGYUAN NEW MATERIAL TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Existing antistatic sizings often only contain one type of antistatic agent, which cannot meet the needs of production workshops in different environments

Method used

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  • Antistatic impregnating compound for glass fibers and preparation method thereof
  • Antistatic impregnating compound for glass fibers and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0048] S1. After adding modified rice starch and cationic starch to 50% of the total amount of the preparation, start stirring, and simultaneously heat up to 85° C., and treat at a constant temperature for 30 minutes; wherein, the solubility of modified rice starch is 30%, and the solubility of cationic starch is 100% starch tertiary amino alkyl ether.

[0049] S2. Mix and stir the preheated grease A, grease B, emulsifier and cationic softener, and heat up to 60°C, then add 50% of the total amount of grease A, grease B, emulsifier and cationic softener Water at 65°C until the emulsification is complete to obtain an emulsion; among them, fat A is glyceride; fat B is C 12 and C 18 Fatty acid esters composed of C 30 The fatty acid ester mixture; the emulsifier is a compound emulsifier composed of polyoxyethylene polyoxypropylene ether and fatty acid polyoxyethylene amide with a mass ratio of 1:1; the cationic softener is C 12 The product obtained by the reaction of fatty acids...

Embodiment 2

[0053] S1. Add modified rice starch and cationic starch to water with 55% of the total amount prepared and start stirring. Simultaneously, the temperature is raised to 95° C. and treated at a constant temperature for 40 minutes. Among them, the solubility of modified rice starch is 20%, and the solubility of cationic starch is 100% quaternary ammonium starch ether.

[0054] S2. Mix and stir the preheated grease A, grease B, emulsifier and cationic softener, and heat up to 65°C, then add 55% of the total amount of grease A, grease B, emulsifier and cationic softener Water at 60°C until the emulsification is complete to obtain an emulsion, wherein fat A is hydrogenated corn oil; fat B is C 18 Fatty acid ester; the emulsifier is a composite emulsifier composed of sorbitan oleate and polyoxyethylene sorbitan oleate in a mass ratio of 1:1; the cationic softener is C 18 The product obtained by the reaction of fatty acids with diethylenetriamine.

[0055] S3. Add water at 30°C to t...

Embodiment 3

[0058] S1, add modified rice starch and cationic starch to the water of 65% of the total amount of preparation, start stirring, and simultaneously heat up to 100 ° C, and treat at a constant temperature for 50 minutes, wherein the solubility of modified rice starch is 30%, and the solubility of cationic starch is 100% quaternary ammonium starch ether.

[0059] S2. Mix and stir the preheated grease A, grease B, emulsifier and cationic softener, and heat up to 70°C, then add 60% of the total amount of grease A, grease B, emulsifier and cationic softener Water at 70°C until the emulsification is complete to obtain an emulsion, wherein fat A is hydrogenated palm oil; fat B is C 12 Fatty acid esters composed of C 24 fatty acid ester; emulsifier is a compound emulsifier composed of sorbitan stearate and polyoxyethylene ether sorbitan stearate with a mass ratio of 1:1; the cationic softener is C 12 The product obtained by the reaction of fatty acids with tetraethylenepentamine.

...

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Abstract

The invention relates to the technical field of glass fibers, in particular to an antistatic impregnating compound for glass fibers and a preparation method thereof. The impregnating compound comprises the following raw materials in percentage by weight: 1.5-3% of modified rice starch, 1.8-3.8% of cationic starch, 0.3-1.4% of grease A, 0.2-0.35% of grease B, 0.1-0.25% of an emulsifier, 0.3-0.8% ofa cationic softener, 0.3-1% of an antistatic agent, 0.3-0.9% of modified epoxy resin and 0.01-0.1% of a preservative, with the balance being water, wherein the solubility of the modified rice starchis less than or equal to 30%; the solubility of the cationic starch is greater than or equal to 90%; the grease A is polyol ester; the grease B is C18-C30 fatty acid ester; and the antistatic agent isa mixture of a cationic surface active agent and a nonionic surface active agent, and a mass ratio of the cationic surface active agent to the nonionic surface active agent is (3.5-4.5): 1. The antistatic impregnating compound is obtained by compounding the cationic surfactant and the nonionic surfactant, and can meet the requirements of production workshops in different environments, so the hairiness amount of yarns is reduced, and the bundling property of the yarns is improved.

Description

technical field [0001] The invention relates to the technical field of glass fibers, in particular to a sizing agent for antistatic glass fibers and a preparation method thereof. Background technique [0002] With the wide application of glass fiber composites in aerospace, transportation, civil construction, biomedical and sports equipment, not only the composite materials are required to have high damage tolerance and reliability, but also the structural integrity of the reinforced materials Sex and conformity requirements are also more stringent. Woven fabrics and braids are the reinforcement structures of traditional textile composite materials, but in recent years, knitted fabrics have attracted more and more attention because of their advantages such as flexible structural design, impact resistance, and easy molding to make components of complex shapes. [0003] Glass fiber yarn generally refers to the glass fiber yarn product formed after the glass is drawn into a si...

Claims

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Application Information

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IPC IPC(8): C03C25/465C03C25/42C03C25/36C03C25/321C03C25/255C03C25/25C03C25/32
CPCC03C25/465C03C25/42C03C25/36C03C25/321C03C25/255C03C25/25C03C25/32
Inventor 宁祥春焦晓芳张海洋
Owner LINZHOU GUANGYUAN NEW MATERIAL TECH
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