C - Chemistry – Metallurgy – 09 – D
Patent
C - Chemistry, Metallurgy
09
D
C09D 175/04 (2006.01) C08G 18/38 (2006.01) C08G 18/40 (2006.01) C08G 18/42 (2006.01) C08G 18/62 (2006.01) C08G 18/64 (2006.01) C08G 18/79 (2006.01) C08G 18/80 (2006.01) C09D 5/03 (2006.01)
Patent
CA 2143025
A powder coating composition for the production of non-yellowing, flexible coatings which contains a mixture of a polyisocyanate component which contains one or more lacquer polyisocyanates having free (unblocked) isocyanate groups bound to primary and/or secondary carbon atoms and a polyol component containing one or more polyhydroxyl compounds selected from polyhydroxy polyurethanes, polyhydroxy polyacrylates and polyhydroxy polyesters, wherein at least 50% of the hydroxyl groups are bound to secondary or tertiary carbon atoms; and its use for coating heat-resistant substrates, in particular as clear coating compositions for automobiles.
Bock Manfred
Halpaap Reinhard
Kahl Lothar
Meier-Westhues Hans-Ulrich
Schultz Wolfgang
Aktiengesellschaft Bayer
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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