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Impregnating compound for enhancing quartz fiber tensile strength

A quartz fiber and tensile strength technology, applied in the field of quartz fiber production and manufacturing, can solve the problems of tensile strength attenuation, affecting high temperature performance, etc., to achieve high tensile strength, good production process and performance, and less hairiness Effect

Inactive Publication Date: 2013-12-25
天津市硅酸盐研究所有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In the past, the sizing agent coated on the surface of the quartz fiber gradually volatilized under high temperature conditions, and its tensile strength gradually decayed, which affected its high temperature performance.

Method used

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  • Impregnating compound for enhancing quartz fiber tensile strength

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Embodiment Construction

[0019] The present invention is an emulsion composed of the following components: water-soluble polyurethane resin emulsion, water-soluble epoxy resin emulsion, water-soluble epoxy resin, water-soluble lubricant, water-soluble nanoscale silica suspension, water-soluble nanoscale Alumina suspension, silane coupling agent, pH adjuster and deionized water. The polyurethane resin emulsion is made by emulsification of water-soluble polyurethane resin, its molecular weight is in the range of 4000-6000, the average particle diameter of the emulsion is 0.2-2.0 microns, and the water-soluble polyurethane resin emulsion accounts for 5-20% of the total weight of the sizing agent; The epoxy resin emulsion is made of epoxy resin emulsification, its molecular weight is in the range of 300-1000, the average particle diameter of the emulsion is 0.2-2.0 microns, and the water-soluble epoxy resin emulsion accounts for 2-8% of the total weight of the sizing agent; The epoxy resin adopts chemical...

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Abstract

The invention discloses a novel impregnating compound composition for enhancing quartz fiber tensile strength. The impregnating compound is mainly prepared from a main film forming agent water-soluble polyurethane resin emulsion, a water-soluble epoxy resin emulsion, an auxiliary film forming agent water-soluble epoxy resin, a water-soluble lubricant, a water-soluble nano-scale silica suspension, a water-soluble nano-scale alumina suspension, a silane coupling agent, a pH regulator and deionized water. Compared with the prior art, the hairiness amount produced in the quartz fiber monofilament drawing and combining processes is less, the quartz fiber tensile strength is higher under the high temperature condition, and the quartz fiber has good production process properties and application properties.

Description

Technical field: [0001] The invention relates to the technical field of quartz fiber production and manufacture, and provides a composition of sizing agent for improving the tensile strength of quartz fibers. It is mainly composed of water-soluble polyurethane resin emulsion, water-soluble epoxy resin emulsion, water-soluble epoxy resin, water-soluble lubricant, water-soluble nano-silica suspension, water-soluble nano-alumina suspension, and silane coupling agent. . It has good bundling, lubricity and film-forming properties. Coating this sizing agent on the surface of quartz fiber makes the quartz fiber have the characteristics of high tensile strength under high temperature conditions, softness and good compatibility with resin. Background technique: [0002] Quartz fiber has excellent electrical bonding, heat resistance, high temperature wave transmittance, excellent dielectric properties and chemical stability, it can withstand long-term high temperature without shrinka...

Claims

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Application Information

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IPC IPC(8): C03C25/42
Inventor 王长虹金钰
Owner 天津市硅酸盐研究所有限公司
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