C - Chemistry – Metallurgy – 09 – D
Patent
C - Chemistry, Metallurgy
09
D
400/3073
C09D 5/23 (2006.01) C09D 127/06 (2006.01) C09D 135/06 (2006.01)
Patent
CA 1263781
ABSTRACT A costing composition comprising: (a) A graft copolymer, having surfactant properties, comprising the reaction product of (i) a vinyl copolymer comprising vinyl chloride, a vinyl carboxylate ester, and a source of hydroxyl groups, such that the hydroxyl content prior to reaction is about 0.5 to about 8% by weight of the vinyl copolymer and of which about 1 to about 75% of said hydroxyl groups have been reacted with (ii) an anhydride copolymer comprising the reaction product of an aromatic monomer and a dicarboxylic acid anhydride, such that the graft copolymer has a molecular weight of about 2,000 to about 30,000, and 8 vinyl copolymer/anhydride copolymer weight ratio of about 20 to about 2, of which a sufficient number of carboxyl groups have been hydrolyzed to produce surfactant properties; (b) a dispersible powder, (c) optionally, other hard resins, (d) optionally, a rubbery polymer, (e) optionally, 8 supplemental surfactant, all mixed in an organic solvent.
505423
Barth Bruce P.
Mallon Charles B.
Barth Bruce P.
Mallon Charles B.
Sim & Mcburney
Union Carbide Corporation
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