Method for producing pressure-responsive particles, method for producing printed material, method for producing sheet for producing printed material, and pressure-responsive particles

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United States of America

PATENT NO 12209204
APP PUB NO 20220306913A1
SERIAL NO

17509222

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Abstract

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A method for producing pressure-responsive particles includes: adding an aggregating agent to a dispersion containing composite resin particles containing a styrene-based resin including a styrene compound and a vinyl monomer other than the styrene compound as polymer components and a (meth)acrylic acid ester-based resin including a (meth)acrylic acid ester compound as a polymer component to aggregate the composite resin particles so as to form aggregated particles A; forming a shell by adding an aggregating agent and styrene-based resin particles containing a styrene compound and a vinyl monomer other than the styrene compound as polymer components to a dispersion containing the aggregated particles A to aggregate the styrene-based resin particles so as to form aggregated particles B; and heating and fusing the aggregated particles B to form pressure-responsive particles.

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Patent Owner(s)

Patent OwnerAddress
FUJIFILM BUSINESS INNOVATION CORPTOKYO

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Inoue, Satoshi Kanagawa, JP 511 10547
Iwanaga, Takeshi Kanagawa, JP 116 1385
Kamiwaki, Satoshi Kanagawa, JP 32 59
Yamanaka, Kiyohiro Kanagawa, JP 26 50
Yamasaki, Sumiaki Kanagawa, JP 99 603

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