FLAME-RETARDANT RESIN COMPOSITION

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United States of America Patent

APP PUB NO 20180057685A1
SERIAL NO

15627765

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Abstract

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Provided is a resin composition having excellent flame retardance, molding processability, and post-heat aging flame retardance. A flame-retardant resin composition contains: (A) a polyphenylene ether; (B) at least one thermoplastic resin selected from the group consisting of (B-1) a polystyrene resin, (B-2) a polyamide resin, (B-3) a polypropylene resin, and (B-4) a polyphenylene sulfide resin; and (C) a flame retardant. The (A) component has a content of less than 50 mass % when the flame-retardant resin composition minus ash content is taken to be 100 mass %. The flame-retardant resin composition has a flame retardance level of V-0 as measured by a UL 94 vertical burning test. A molded article formed from the flame-retardant resin composition exhibits a rate of change of chloroform-insoluble content of no greater than 15 mass % before and after being subjected to aging in which the molded article is left for 1,000 hours at 150° C. in an atmospheric environment.

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Patent Owner(s)

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ASAHI KASEI KABUSHIKI KAISHA1-1-2 YURAKUCHO CHIYODA-KU TOKYO 1000006 ?1000006

International Classification(s)

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  • 2017 Application Filing Year
  • C07F Class
  • 1442 Applications Filed
  • 965 Patents Issued To-Date
  • 66.93 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances2017201820192020202120222023202420250255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
MAEDA, Chihiro Tokyo, JP 5 16
MITSUI, Akira Tokyo, JP 66 742
YAMAMOTO, Mihoko Tokyo, JP 23 88

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  • 2 Citation Count
  • C07F Class
  • 46.70 % this patent is cited more than
  • 7 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges269279225101 - 1011 - 2021 - 3031 - 40020406080100120140160180200220240260280300

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