Patent ID: 8653174
Filing Date: 2014-02-18
Classification: C08G,C09D

Abstract:
1. A substantially isocyanate-free and substantially formaldehyde free multicomponent composition comprising a polycarbamate having an average of 2.5 or more carbamate functional groups as a first component and a polyaldehyde, which polyaldehyde is a dialdehyde, a trialdehyde or an acetal or hemiacetal thereof having from 2 to 20 carbon atoms as a second component, wherein the multicomponent composition futher comprises an effective amount of a trigger a gent such that the first and second components when combined form a composition that react to cure at a temperature of from 0° C to less than 80° C to form a crosslinked polyurethane and a curing inhibitor chosen from water, an alcohol or a mixture thereof, and, further wherein, the composition resulting when all components of the multicomponent composition are combined has a pH of 7.0 or less.