Fiber sizing agent compositions, fiber bundles, textile products, and composite materials

JP2026122915APending Publication Date: 2026-07-29SANYO CHEM IND LTD
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Patent Information

Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
SANYO CHEM IND LTD
Filing Date
2026-01-13
Publication Date
2026-07-29

AI Technical Summary

Benefits of technology

【0006】 本発明の繊維用集束剤組成物は貯蔵安定性に優れ、かつ集束性と開繊性に優れた繊維束を作ることができる。

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Patent Text Reader

Abstract

The present invention aims to provide a fiber sizing agent composition with excellent storage stability. [Solution] A fiber sizing agent composition containing a polyester resin (A), an epoxy resin (B), and a nonionic surfactant (C), wherein the polyester resin (A) is composed of a diol component (a1) and a dicarboxylic acid component (a2), and 50 to 99 mol% of the dicarboxylic acid component (a2) is orthophthalic acid.
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Claims

1. Polyester resin (A), epoxy resin (B), and Contains a nonionic surfactant (C), The aforementioned polyester resin (A) is composed of a diol component (a1) and a dicarboxylic acid component (a2), and 50 to 99 mol% of the dicarboxylic acid component (a2) is orthophthalic acid, in a fiber sizing agent composition.

2. The fiber sizing agent composition according to claim 1, wherein the content ratio of the aromatic portion of the polyester resin (A) based on the weight of the polyester resin (A) is 3.5 to 7.0 mmol / g.

3. The fiber sizing agent composition according to claim 1, wherein the number average molecular weight of the polyester resin (A) is 1,000 to 10,000.

4. The SP value of the polyester resin (A) is 10.0 to 12.0 (cal / cm²). ３ ) １／２ The fiber sizing agent composition according to claim 1.

5. The fiber sizing agent composition according to claim 1, wherein the epoxy resin (B) is a bisphenol A type epoxy resin or a novolac type epoxy resin.

6. The fiber sizing agent composition according to claim 1, wherein the nonionic surfactant (C) is an alkylene oxide adduct of an alkylphenol and / or an alkylene oxide adduct of an arylalkylphenol.

7. A fiber bundle obtained by treating at least one fiber selected from the group consisting of carbon fiber, glass fiber, aramid fiber, ceramic fiber, metal fiber, mineral fiber, and slug fiber with the fiber sizing agent composition for fibers described in claim 1.

8. A textile product comprising the fiber bundle described in claim 7.

9. A composite material comprising the fiber bundle and matrix resin according to claim 7.

10. A composite material comprising the textile product and matrix resin according to claim 8.