C - Chemistry – Metallurgy – 09 – D
Patent
C - Chemistry, Metallurgy
09
D
C09D 175/06 (2006.01) C08G 18/40 (2006.01) C08G 18/42 (2006.01) C08G 18/79 (2006.01) C08G 63/08 (2006.01) C09D 167/00 (2006.01)
Patent
CA 2476851
This invention relates to rapid curing coating compositions that are particularly useful for automotive OEM and refinish applications. The coating composition includes a binder component that contains a novel highly branched copolyester polyol, and a crosslinking component that contains conventional crosslinking agents, such as polyisocyanate and melamine. This invention is also directed to a process for producing coatings from the rapid curing coating compositions. These compositions are especially useful in providing for mar resistant and flexible coatings.
L'invention concerne des compositions de revÚtement ~ durcissement rapide qui sont particulirement utiles dans des applications de fabrication de mat~riel de marque et de remise ~ neuf en industrie automobile. La composition de revÚtement comprend un liant qui contient un nouveau polyol de copolyester fortement ramifi~ tel qu'un polyisocyanate et de la m~lamine. Ces compositions sont particulirement utiles pour fabriquer des revÚtements flexibles et r~sistant ~ l'endommagement.
Barsotti Robert John
Douglas Carl Brent
Lewin Laura A.
Nagata Isao
Wilczek Lech
E. I. Du Pont de Nemours And Company
Torys Llp
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