Polyvinyl chloride aggregate particles, method for producing the same, composition for metal can coating material, composition for marking film, and coating film

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United States of America Patent

PATENT NO 11746249
APP PUB NO 20210130640A1
SERIAL NO

16970587

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The present invention relates to polyvinyl chloride aggregate particles, in which a particle diameter D50 at a cumulative volume percentage of 50 vol % in a volume particle size distribution is 0.5 μm or more and 5.0 μm or less, and a particle diameter D90 at a cumulative volume percentage of 90 vol % in the volume particle size distribution is 8.0 μm or less, and a Na concentration in the polyvinyl chloride aggregate particles is 90 ppm or less. The present invention relates to a composition for a metal can coating material, a composition for a marking film and a method for producing the same, and a coating film that contain the polyvinyl chloride aggregate particles. This provides polyvinyl chloride aggregate particles capable of imparting high transparency and retort resistance to a coating film of a metal can, and/or capable of imparting high transparency and water resistance to a marking film.

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Patent Owner(s)

Patent OwnerAddress
KANEKA CORPORATION2-3-18 NAKANOSHIMA KITA-KU OSAKA 5308288

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Mitamura, Fumihiro Hyogo, JP 2 3
Nishiyama, Yoshitaka Hyogo, JP 42 333

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