Resin compatible type glass fiber yarn impregnation agent, and preparation method thereof

A glass fiber and sizing technology, applied in the direction of coating, can solve the problems of expensive lubricant, increased product cost, yellow yarn color, etc., and achieve the effects of good mechanical properties, good compatibility and simple components

Inactive Publication Date: 2016-05-04
SINOMA SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, due to the high price of the lubricant in this formula, the cost of the product will be greatly increased; in addition, since the lubricant is all water-soluble and has a darker color, if the content is too high, the yarn color will be yellowish, and there will be obvious migration during drying

Method used

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  • Resin compatible type glass fiber yarn impregnation agent, and preparation method thereof
  • Resin compatible type glass fiber yarn impregnation agent, and preparation method thereof

Examples

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Embodiment Construction

[0025] Below in conjunction with specific embodiment, further illustrate the present invention. It should be understood that these examples are only used to illustrate the present invention and are not intended to limit the scope of the present invention.

[0026] The formula of embodiment 1-6 sees the following table:

[0027]

[0028] Note: Epoxy emulsion A: epoxy equivalent is 230-270g / eq, the total amount of emulsifier in epoxy emulsion is 11% of resin weight; epoxy emulsion B: epoxy equivalent is 230-270g / eq, epoxy The total amount of emulsifier used in the emulsion was 18% by weight of the resin.

[0029] Preparation:

[0030] (1) Add water with 40% of the total amount of wetting agent to the pre-mixing container, add glacial acetic acid to adjust the pH value to 3-4, slowly add the silane coupling agent while stirring, and continue stirring until the surface of the liquid is clear and free of oil. , to obtain a silane coupling agent solution;

[0031] (2) add epo...

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Abstract

The invention relates to a resin compatible type glass fiber yarn impregnation agent. The solid content of the impregnation agent accounts for 5-10% by mass of the total amount of the impregnation agent, the balance being deionized water. The solid content of the impregnation agent comprises the following components, based on the weight of the impregnation agent solid content as 100%: 50-80% of the epoxy resin emulsion, 10-25% of a non-ionic lubricant, 0-5% of a cationic lubricant, 8-20% of a silane coupling agent, and 1-6% of a pH adjusting agent. Compared with a traditional enhanced yarn impregnation agent, the impregnation agent formula has the advantage of simple composition. Mono-component epoxy resin is adopted as a film-forming agent, and two high-efficiency lubricants are combined. The impregnation agent has good compatibility with resin. With the formula, yarn strength is high. The formula also has excellent textile processing performance.

Description

technical field [0001] The invention relates to a glass fiber spun sizing agent and a preparation method thereof, belonging to the technical field of glass fiber sizing agents. Background technique [0002] Glass fiber yarn generally refers to the glass fiber yarn product formed after the glass is drawn into a cake and decomposed, and is usually used as a reinforcing material in a composite material. Glass fiber is divided into roving and spun yarn according to its fiber diameter and use. Glass fiber spun yarn is more suitable for making braided structural reinforcements, because the diameter of a single fiber of spun yarn is smaller, and it generally has better damage resistance than fibers with larger diameters. sex. [0003] Glass fiber spun yarn is mainly used in the production of electronic cloth, and is also used in industries such as pultruded optical cables, various aviation fabrics, various three-dimensional fabrics, braided wire and cable coatings, and insulation ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C03C25/40
CPCC03C25/40C03C2217/29
Inventor 尹苗李佳贺明强曹平
Owner SINOMA SCI & TECH
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