Patent ID: 8802770
Filing Date: 2014-08-12
Classification: C08G,C08K,C08L

Abstract:
1. A semicrystalline, thermoplastic polyurethane which is comprised of the reaction product of (1) a polyester hydrophobic polyol, wherein said hydrophobic polyol is made from dimer acids or esters thereof containing from 36 to 44 carbon atoms, (2) a polyisocyanate, and (3) a linear diol chain extender containing 5 carbon atoms or 7 to 12 carbon atoms; wherein the hydrophobic polyol has a number average molecular weight which is within the range of about 1,000 to about 4,000; wherein the semicrystalline, thermoplastic polyurethane has a weight average molecular weight which in within the range of 50,000 to 1,000,000; and wherein the semicrystalline, thermoplastic polyurethane has a melting point which is within the range of 80° C. to 150° C.