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US 2021/0198503 A1Published application
Ink Jet Ink Composition, Ink Composition Producing Method, Recorded Product, And Ink Jet Recording Method
AssigneeSeiko Epson Corporation
InventorsMasahiro YATAKE, Kazuhiko KITAMURA, Kohei ISHIDA
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Abstract
In an ink jet ink composition containing polymer particles, a polymer constituting the polymer particles includes a polymer having a urethane group derived from one or more isocyanates selected from dicyclohexylmethane diisocyanate, isophorone diisocyanate, 1,3-bis(isocyanatemethyl)cyclohexane, m-bis(isocyanatepropyl)benzene, and m-bis(isocyanatemethyl)benzene and a structure derived from polytetramethylene glycol and having an acid value of 50 to 100 mgKOH/g.
Claims12
An ink jet ink composition comprising:
- polymer particles,
- wherein
- a polymer constituting the polymer particles includes a polymer that has
- a urethane group derived from one or more isocyanates selected from dicyclohexylmethane diisocyanate, isophorone diisocyanate, 1,3-bis(isocyanatemethyl)cyclohexane, m-bis(isocyanatepropyl)benzene, and m-bis(isocyanatemethyl)benzene and
- a structure derived from polytetramethylene glycol and
- has an acid value of 50 to 100 mgKOH/g.
3 more elements
Dependencies are inferred from the claim text.