Patent ID: 9156227
Filing Date: 2015-10-13
Classification: B29C,B29K,B29L,B32B,C08F,C08G,C08J,C09K,F16J,Y10T

Abstract:
1. A sealing gasket comprising a polyurethane foam having a density of not greater than 220 kg/m 3 and having an 80% springback parameter in a range of 0.000 seconds to 1 seconds, wherein the polyurethane foam is a reaction product of reaction constituents comprising: a polyol; an isocyanate; and a delaying catalyst, wherein the delaying catalyst comprises an amine and a dicarboxylic acid and the delaying catalyst has a delay time of at least 3 minutes as measured at 115° C. at a concentration of 0.4 pphp in the presence of 0.3-0.4 pphp water.