C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
C08L 75/04 (2006.01) C08G 18/08 (2006.01) C08G 18/12 (2006.01) C08G 18/66 (2006.01) C09D 175/04 (2006.01) C09D 175/06 (2006.01)
Patent
CA 2285859
A polyurethane hybrid dispersion comprising a carboxylated polyurethane dispersion and a functionalized polymer. The functionalized polymer is the emulsion polymerization product of an ethylenically unsaturated monomer and from 0.1 to 5 pphm of a ureido functional comonomer, wherein the functionalized polymer is prepared in the presence of the carboxylated polyurethane dispersion. he polyurethane hybrid dispersions of the invention exhibit improved wet adhesion to alkyd substrates. Moreover, the polyurethane hybrid dispersions provide the treated substrates with improved solvent resistance.
Chung Jocelyn K.
Farwaha Rajeev
Lee Sharon P.
Celanese International Corporation
National Starch And Chemical Investment Holding Corporation
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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