A sizing agent for carbon fibers, carbon fibers, and a method for producing the same
CN119102112BActive Publication Date: 2026-03-03ZHONGFU SHENYING CARBON FIBER
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Patent Information
- Application Number
- CN202411368944.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-29
- Publication Date
- 2026-03-03
- Estimated Expiration
- 2044-09-29
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Figure CN119102112B_ABST
Abstract
The application provides a sizing agent for carbon fibers, carbon fibers and a preparation method thereof, and belongs to the technical field of carbon fiber manufacturing. The sizing agent for carbon fibers comprises bisphenol A type epoxy resin 100 parts, glycidyl ester type epoxy resin 10-30 parts, lubricant 0.5-2 parts, surfactant 20-50 parts and organic solvent 10-20 parts in terms of mass fraction. The sizing agent can improve the ductility of corresponding carbon fibers and reduce the amount of broken filaments.
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