Thermoplastic resin foamed particles

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United States of America Patent

PATENT NO RE48098
SERIAL NO

16263547

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Abstract

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Thermoplastic resin foamed particles of the present invention including id='REI-00001' date='20200714' more thanid='REI-00001' one id='REI-00002' date='20200714' or more id='REI-00002' functional additive selected from inorganic powder and inorganic fibers each includes a core layer formed of a thermoplastic resin and a coating layer in a foamed state formed of a thermoplastic resin, the mass ratio of the coating layer to the core layer is 99:1 to 50:50, the content (X) of the functional additive in the core layer is 5 to 90% by mass, and the content of the functional additive in the coating layer is smaller than the content (X) of the functional additive in the core layer. By this way, thermoplastic resin foamed particles from which a homogeneous foamed particle molding having excellent dimension stability, fusibility and appearance can be obtained while containing functional additive are provided.

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Patent Owner(s)

Patent OwnerAddress
JSP CORPORATION4-2 MARUNOUCHI 3-CHOME CHIYODA-KU TOKYO 100-0005

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chiba, Takuya Mie, JP 21 398
Oikawa, Masaharu Mie, JP 48 276

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