Resin composition, molded object, multilayered object, method for producing poly(arylene ether), and poly(arylene ether)

JPWO2022250126A5Inactive Publication Date: 2025-04-02
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Patent Information

Application Number
JP2023524238
Authority / Receiving Office
JP · JP
Patent Type
Applications
Priority Date
2022-05-27
Filing Date
2022-05-27
Publication Date
2025-04-02
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

Current carbon fiber reinforced thermoplastic resins (CFRTP) face challenges in achieving high mechanical strength due to insufficient adhesion between the resin and carbon fibers, leading to interface-related failures, which also affects the resin/inorganic filler interface.

Method used

A resin composition comprising a polyarylene ether with a specific H-NMR spectrum ratio, a thermoplastic resin, and an inorganic filler, where the polyarylene ether is modified with functional groups, such as dicarboxylic acid or maleic anhydride, and deuterated chloroform is used as a solvent to enhance mechanical strength.

Benefits of technology

The proposed resin composition exhibits improved mechanical strength, specifically bending strength, and enhanced adhesion at the resin/carbon fiber and resin/inorganic filler interfaces, effectively addressing the limitations of existing CFRTP systems.

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Abstract

A resin composition which comprises resins (S) comprising a poly(arylene ether) (A) and a thermoplastic resin (B) and an inorganic filler (C), wherein the poly(arylene ether) (A), when examined by 1H-NMR spectroscopy using deuterated chloroform as a solvent, gives a 1H-NMR spectrum in which the proportion of the integral of a peak at 3.80-3.92 ppm to the integral of a peak at 6.20-6.72 ppm is 0.05-5.0%.
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