C - Chemistry – Metallurgy – 09 – D
Patent
C - Chemistry, Metallurgy
09
D
C09D 151/00 (2006.01) C08F 290/04 (2006.01) C09D 155/00 (2006.01)
Patent
CA 2188552
An aqueous coating composition comprising a graft copolymer characterized by carboxylic-acid or amine functional macromonomers attached at a terminal end thereof to a polymeric backbone, wherein the macromonomers are grafted in an aqueous carrier in which the carboxylic-acid or amine functional groups have been neutralized. Such compositions provide improved properties for an automotive finish.
L'invention concerne une composition de revêtement aqueuse contenant un copolymère greffé. Pour obtenir ce copolymère, on fixe par une extrémité des macromonomères à fonctions acide carboxylique ou amine, au squelette polymère, la greffe se faisant dans un vecteur aqueux où les fonctions acide carboxylique ou amine ont été neutralisées. Ces compositions améliorent le fini des carrosseries.
Bruylants Paul
Fryd Michael
Huybrechts Jozef
Stranimaier Kerstin
Bennett Jones Llp
E. I. Du Pont de Nemours And Company
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