Pigment composite particles prepared by suspension polymorization
First Claim
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1. Pigment composite particles having an average particle size of 3 to 300 micrometers prepared by suspension-polymerizing an aqueous suspension comprising:
- (a) a pigment paste comprising a pigment and a pigment grinding resin having a hydrophilic group therein of at least 0.2 mmol/g,(b) a polymerizable monomer and(c) a polymerization initiator;
wherein said pigment is located on the outside of the composite pigment particles.
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Abstract
Disclosed are pigment composite particles which are superior in water resistance, weather resistance, thermal stability and hardness. The pigment composite particles are prepared by suspension-polymerizing an aqueous suspension comprising
(a) a pigment paste comprising pigment and a pigment grinding resin having a hydrophilic group of at least 0.2 mmol/g,
(b) a polymerizable monomer and
(c) a polymerization initiator.
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Citations
11 Claims
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1. Pigment composite particles having an average particle size of 3 to 300 micrometers prepared by suspension-polymerizing an aqueous suspension comprising:
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(a) a pigment paste comprising a pigment and a pigment grinding resin having a hydrophilic group therein of at least 0.2 mmol/g, (b) a polymerizable monomer and (c) a polymerization initiator;
wherein said pigment is located on the outside of the composite pigment particles. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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Specification