Patent ID: 8501310
Filing Date: 2013-08-06
Classification: C08J,C08L,C09J,Y10T

Abstract:
1. A foam waterproofing material comprising a foam, wherein: the foam comprises a thermoplastic elastomer, a thermoplastic polymer other than the thermoplastic elastomer, and one or more shrinkage inhibitors, the foam has a micro cell structure with an average cell diameter of 10 to 50μm and an apparent density of 0.01 to 0.050 g/cm the one or more shrinkage inhibitors are selected from the group of fatty acid metal salt, fatty acid amide and fatty acid bisamide, and the foam has a water resistance (as determined by JIS L1092B method foam thickness: 0.5 mm) of 40 to 200 kPa.