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METHOD TO ADHERE AN EXPANDABLE FLEXIBLE POLYURETHANE TO A SUBSTRATE
METHOD TO ADHERE AN EXPANDABLE FLEXIBLE POLYURETHANE TO A SUBSTRATE
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机译:将可膨胀的柔性聚氨酯粘合到基材上的方法
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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
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