Pressure-responsive particles, cartridge, apparatus for manufacturing printed matter, method for manufacturing printed matter, printed matter, sheet for manufacturing printed matter, and method for manufacturing sheet for manufacturing printed matter

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United States of America

PATENT NO 12264237
APP PUB NO 20220064424A1
SERIAL NO

17157959

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Abstract

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Pressure-responsive particles include pressure-responsive base particles and first inorganic oxide particles, in which the pressure-responsive base particles contain a styrene-based resin which contains styrene and other vinyl monomers as polymerization components and a (meth)acrylic acid ester-based resin which contains at least two kinds of (meth)acrylic acid esters as polymerization components and in which a mass ratio of the (meth)acrylic acid esters to all polymerization components is 90% by mass or higher, Db/Da which is a ratio of a number average particle diameter Db of the first inorganic oxide particles to a number average particle diameter Da of the pressure-responsive base particles is 0.05 or higher and 0.25 or lower, the pressure-responsive particles have at least two glass transition temperatures, and a difference between a lowest glass transition temperature and a highest glass transition temperature is 30° C. or higher.

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Patent Owner(s)

Patent OwnerAddress
FUJIFILM BUSINESS INNOVATION CORPTOKYO

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hasegawa, Takashi Kanagawa, JP 380 3649
Iida, Yoshifumi Kanagawa, JP 68 236
Inoue, Satoshi Kanagawa, JP 511 10547
Kashiwagi, Satomi Kanagawa, JP 19 42
Kobayashi, Takako Kanagawa, JP 53 193

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