Method for producing thermoplastic resin composition film

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United States of America Patent

PATENT NO 10767035
APP PUB NO 20170306132A1
SERIAL NO

15517927

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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Embodiments provide a method for producing a film including a thermoplastic resin composition, the method including: (1) a step of subjecting a thermoplastic resin composition to preliminary heating at 100-250° C.; (2) a step of subjecting a first roller and second roller of a calender roll film-forming apparatus to pre-heating; and (3) a step of introducing the thermoplastic resin composition, which has been subjected to preliminary heating in step (1), into the clearance between the first roller and second roller, which have been pre-heated in step (2), and continuously winding a molten film of the thermoplastic resin composition on the first roller. According to at least one embodiment, the rotational speed of the first roller is higher than the rotational speed of the second roller. According to at least one embodiment, the thermoplastic resin composition contains (A) 100 parts by mass of a thermoplastic resin, (B) 1-60 parts by mass of carbon nanotubes and (C) 1-100 parts by mass of at least one type of material selected from the group consisting of acetylene black and graphite.

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Patent Owner(s)

Patent OwnerAddress
RIKEN TECHNOS CORPORATIONTOKYO 101-8336

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Sugimoto, Hidemasa Tokyo, JP 5 15
Takahashi, Tomohiro Tokyo, JP 169 747

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