METHOD TO ADHERE AN EXPANDABLE FLEXIBLE POLYURETHANE TO A SUBSTRATE

摘要

Foam-in-place, one component polyurethane compositions are useful to produce foams that adhere to various substrates such as certain vehicle parts and assemblies. The polyurethane composition contains a heat- activated blowing agent. The composition is based on a polyurethane resin that is expandable. The resin is a heat-softenable material, or a low molecular weight material that engages in further curing during the heat expansion step. ® KIPO & WIPO 2007