Cationic emulsion having polymer core-shell structure, aqueous ink, and recording medium
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United States of America Patent
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Oct 18, 2016
Grant Date -
Dec 10, 2015
app pub date -
Feb 4, 2014
filing date -
Feb 7, 2013
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Abstract
The invention provides a cationic emulsion having a polymer core-shell structure that exhibits excellent substrate adhesiveness, water resistance, alcohol resistance, and high gloss when used in an aqueous ink, and exhibits excellent color developing properties and water resistance when used in a recording medium, specifically, a cationic emulsion having a polymer core-shell structure comprising component (A) and component (B) and having a mass ratio of component (A):component (B) of 25:75-75:25.
- (A) Emulsion polymer core component obtained by polymerizing a monomer having a vinyl chloride monomer as a constituent.(B) Emulsion polymer shell component, having a structure obtained by polymerizing a monomer mixture having, as constituents: styrenes and a compound of formula (1); or styrenes, a compound of formula (1), and a (meth)acrylic ester having 1-22 carbon atoms in the ester part as a compound (2); in which the compound of formula (1) is 20-45 mass % in the monomer mixture.
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