Patent ID: 6825255
Filing Date: 2004-11-30
Classification: B32B,C08K,Y10T

Abstract:
A polymer sheet comprising a fatty acid amide as antiblock additive wherein the polymer sheet has a blocking force of at least about 50% less than the blocking force of a polymer sheet of the same composition without the fatty acid amide and has less than about 3% haze and an adhesion value within 20% of the adhesion value of a polymer sheet of the same composition without the amide additive, wherein said polymer sheet comprises plasticized polyvinyl butyral, and wherein said fatty acid amide has the formulaRâ€”COâ€”NHâ€”Râ€², wherein R defines an anti-blocking segment comprising a hydrocarbon chain having about 12 to about 40 carbon atoms, and Râ€² defines H or a hydrocarbon chain having 1 to about 40 carbon atoms.