Urethane resin composition, coating agent, and article

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United States of America Patent

PATENT NO 9969915
SERIAL NO

14781010

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Abstract

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The present invention provides a urethane resin composition containing a urethane resin having polymerizable unsaturated groups and an aqueous medium. The urethane resin is obtained by reacting a polyol with a polyisocyanate. The polyol contains an alkylenediol having two or more polymerizable unsaturated groups or an oxyalkylenediol having two or more polymerizable unsaturated groups. The alkylenediol is represented by general formula (1):

description='In-line Formulae' end='lead'HO—R1—OH  (1)description='In-line Formulae' end='tail'

(where R1 is a linear alkylene group of one to nine carbon atoms having two or more atomic groups containing a polymerizable unsaturated group in side chains thereof). The oxyalkylenediol (a1-2) is represented by general formula (2):

description='In-line Formulae' end='lead'HO—R1O—R2—OR3—OH  (2)description='In-line Formulae' end='tail'

(where R1 and R3 are ethylene groups having a total of two or more atomic groups containing a polymerizable unsaturated group in side chains thereof, and R2 is an alkylene group of one to five carbon atoms). This urethane resin composition can form a coating with good elongation and flexibility and high hardness.

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Patent Owner(s)

Patent OwnerAddress
DIC CORPORATION35-58 SAKASHITA 3-CHOME ITABASHI-KU TOKYO 174-8520

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kannari, Hiroyoshi Osaka, JP 8 3
Miyake, Junichi Osaka, JP 33 291
Shirakami, Jun Osaka, JP 27 81

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