C - Chemistry – Metallurgy – 08 – K
Patent
C - Chemistry, Metallurgy
08
K
C08K 5/353 (2006.01) C07D 271/113 (2006.01) C08G 73/02 (2006.01) C08L 79/02 (2006.01) C09D 7/12 (2006.01) C09D 179/02 (2006.01) C09J 179/02 (2006.01)
Patent
CA 2243391
The present invention relates to aqueous compositions containing a) bis(1,3,4-oxadiazolin-5-ones) corresponding to formula (I) (see fig. I) wherein R represents a single bond or a divalent aliphatic, araliphatic or aromatic radical having 1 to 18 carbon atoms and b) organic polyamines or polyamine blends having an average of more than 2 NH- and/or NH2- groups. The present invention also relates to coatings, adhesives or sealants prepared from these aqueous compositions, in particular automotive clear coats.
La présente invention porte sur des compositions aqueuses renfermant : a) des bis(1,3,4-oxadiazolin-5-ones) correspondant à la formule (I) (voir fig. I), dans laquelle R représente une liaison simple ou un radical aliphatique, araliphatique ou aromatique, divalent, de 1 à 18 atomes de carbone; b) des polyamines organiques ou des mélanges de polyamines, renfermant en moyenne plus de 2 groupes NH- et (ou) NH2-. La présente invention porte également sur des revêtements, adhésifs ou scellants préparés à partir de ces compositions aqueuses, notamment des revêtements transparents pour automobiles.
Heitkamper Peter
K"onig Klaus
Pedain Josef
Schonfelder Manfred
Aktiengesellschaft Bayer
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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