Patent ID: 8138236
Filing Date: 2012-03-20
Classification: A61L

Abstract:
1. A liquid moisture activated solvent-free latent curing adhesive or sealant mixture comprising a poly(alkylene oxide)imine represented by formula I: wherein R R R and an amine reactive moiety represented by Formula II: wherein R 3 is a linear or branched C 1 to C 14 residue of a polyol, each R 3 is bound to number of f 3 reactive pendant chains and wherein the polyol is selected from the group consisting of pentaerythritol, glycerol, and poly(alkylene oxide), wherein the number of f 3 reactive pendant chains is at least 2 but not greater than 6 and a 3 is at least 3 but not greater than 10; and R 3 ′ is a linear or branched C 1 -C 4 alkylene group optionally having one or more oxygen atoms; and X is an isocyanate group, wherein the poly(alkylene oxide)imine and amine reactive moiety components are liquid under ambient conditions and present in the adhesive or sealant mixture in their neat forms.