Patent ID: 6372841
Filing Date: 2002-04-16
Classification: C08G,C08J,C08L

Abstract:
A solvent based composition comprising:(i) a non-aqueous solvent and (ii) a substantially non-gelled polymeric composition comprising the reaction product of an A polymer which is an addition polymer having 3.5 or more reactive carboxyl functional groups per polymer chain and a B polymer having about 2 to about 3 functional groups per polymer chain that are co-reactive with said reactive functional groups of the A polymer, wherein said co-reactive functional groups of said B polymer are hydroxyl, carboxyl, epoxy, oxazolinyl, ester, amino, isocyanato or mixtures thereof, wherein said B polymer is a condensation polymer selected from the group consisting of polyamide, polyester, epoxy, polyurethane, polyorganosiloxane and poly (ether), wherein one instance the B polymer has about 2 functional groups per polymer chain and the molar ratio of A polymer to B polymer is about 2:1 to about 2:1.7, wherein another instance the B polymer has about 3 functional groups per polymer chain and the molar ratio of A polymer to B polymer is about 3:1, wherein substantially all of the co-reactive functional groups of the B polymer have been co-reacted.