C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
400/4801
C08L 57/00 (2006.01) C08F 290/12 (2006.01) C08F 299/04 (2006.01) C08J 3/00 (2006.01) C08L 51/00 (2006.01)
Patent
CA 2027467
A dispersion of fine particles of a gelled polymer obtainable by copolymerizing and crosslinking a vinyl monomer mixture containing at least 0.5% by weight each of at least two vinyl monomers in the presence of a macromonomer A, which has a molecular chain of poly(12- hydroxystearic acid) and has at least about one poly- merizable unsaturated double bond per molecule in average, and a macromonomer B, which is a copolymer of an ethylenic unsaturated monomer and has a solubility para- meter value of from 7.5 to 9.2 and about 1.0 to about 1.5 in average of polymerizable unsaturated double bonds, in an organic solvent which is capable of dissolving the macromonomers A and B but is substantially incapable of dissolving a polymer formed from said vinyl monomer mixture; and a curable resin composition comprising a dispersion of fine particles of the above-described gelled polymer, a base resin which is non-compatible with the macromonomer A but is compatible with the macromono- mer B and which forms a continuous phase, and at least one crosslinking agent selected from the group consisting of an amino resin and a polyisocyanate compound.
Fukuda Mitsuhiro
Miyamoto Yuzo
Nakao Yasushi
Sugiura Shinji
Yabuta Motoshi
Kansai Paint Co. Ltd.
Smart & Biggar
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