Method for producing low molecular weight polytetrafluoroethylene, low molecular weight polytetrafluoroethylene, and powder

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United States of America Patent

PATENT NO 12006407
APP PUB NO 20230183430A1
SERIAL NO

18103443

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Abstract

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Powder including low molecular weight polytetrafluoroethylene having a melt viscosity of 1×102 to 7×105 Pa·s at 380° C., having a melt viscosity of 1×102 to 7×105 Pa·s at 380° C., having an average particle size of 1.0 to 50 μm, and containing 30 or more carboxyl groups at ends of the molecule chain per 106 carbon atoms in the main chain, wherein the powder is substantially free from C8-C14 perfluorocarboxylic acids and salts thereof.

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Patent Owner(s)

Patent OwnerAddress
DAIKIN INDUSTRIES LTDUMEDA CENTER BUILDING 4-12 NAKAZAKI-NISHI 2-CHOME KITA-KU OSAKA-SHI OSAKA 530-8323

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hagi, Keisuke Osaka, JP 9 27
Hosokawa, Kazutaka Osaka, JP 22 280
Kato, Taketo Osaka, JP 79 166
Kawahara, Kazuya Osaka, JP 27 85
Sukegawa, Masamichi Osaka, JP 48 138
Tanaka, Yuuji Osaka, JP 94 339
Tsuji, Masayuki Osaka, JP 136 895
Yamanaka, Taku Osaka, JP 93 218
Yoshida, Hirotoshi Osaka, JP 51 65
Yoshida, Ken Osaka, JP 63 716

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