Aqueous cold setting paint
AssigneeToyo Soda Manufacturing Co., Ltd.
InventorsKenji Kurihara, Shigekazu Kasahara, Takashi Suzuki
Life of this patent
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Abstract
In an aqueous cold setting paint, a specific copolymer and an epoxy resin being soluble in an alcoholic sovlent are incorporated. The specific copolymer is obtained by a solution polymerization of (a) a monomer having ethylenic unsaturated double bond and a nitrogen-containing base, (b) a monomer having ethylenic unsaturated double bond and a phosphoric acid group or a salt thereof or an ester thereof, (c) a monomer having ethylenic unsaturated double bond and carboxylic acid group or a salt thereof and (d) a monomer having ethylenic unsaturated double bond which is copolymerizable with a component (a), (b) or (c) or further treatment of the resulting copolymer with a base.
Claims17
An aqueous cold setting paint which comprises
- (A) a copolymer obtained by a solution polymerization of
- (a) a monomer having ethylenic unsaturated double bond and a nitrogen-containing base,
- (b) a monomer having ethylenic unsaturated double bond and a phosphoric acid group or a salt thereof or an ester thereof,
- (c) a monomer having ethylenic unsaturated double bond and carboxylic acid group or a salt thereof, and
- (d) a monomer having ethylenic unsaturated double bond which is copolymerizable with the component (a), (b) or (c);
- or
- (B) a copolymer obtained by treating the copolymer (A) with a base and
- (C) an epoxy resin being soluble in an alcoholic solvent.
Dependencies are inferred from the claim text.