A low odor glass fiber sizing and its method of preparation, product and use

By optimizing the composition and content ratio of glass fiber sizing agents, a low-odor sizing agent was developed, solving the problem of VOC release during the use of glass fiber sizing agents, maintaining the production and processing performance of glass fibers and compatibility with resins, and realizing the production of low-odor and high-performance glass fiber composite materials.

CN122878048APending Publication Date: 2026-10-09JUSHI GRP CO
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Patent Information

Application Number
CN202611175010.8
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2026-08-04
Publication Date
2026-10-09

AI Technical Summary

Technical Problem

Existing glass fiber impregnating agents release VOCs during use, leading to a decline in in-vehicle air quality and reducing the production and processing performance of glass fibers and their compatibility with resins.

Method used

By controlling the selection and content ratio of each raw material component in the glass fiber impregnating agent, and using coupling agents, lubricants, antistatic agents, film-forming agents A, B, and C, and pH adjusters, a low-odor impregnating agent is formed, ensuring the production and processing performance of glass fiber and its compatibility with the matrix resin.

Benefits of technology

It achieves low odor performance, less hairiness, excellent chopped dispersion performance, and good compatibility with matrix resin, meeting the production requirements of low odor and high performance glass fiber composite materials.

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Abstract

The application relates to a low-odor glass fiber sizing agent, which comprises effective components and water, the solid mass of the effective components accounting for 3.5-8.0% of the total mass of the sizing agent; the content of each component of the effective components is expressed by the percentage of the solid mass of each component of the effective components in the total mass of the sizing agent, and the effective components comprise the following contents of components: a coupling agent 8.0-18.0%; a lubricant 5.0-10.0%; an antistatic agent 1.0-3.0%; a film forming agent A 40.0-60.0%; a film forming agent B 15.0-30.0%; a film forming agent C 1.0-5.0%; and a pH value regulator 1.0-3.0%. The application develops a low-odor glass fiber sizing agent by controlling the selection and content of each raw material component in the sizing agent.
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