Polyester blends with improved stress whitening for film and sheet applications

• Main Authors: SALYER DAVID GAYLE, STRAND MARC ALAN, PINER RODNEY LAYNE
• Format: Patent
• Language: Chinese; English
• Published: 03.08.2011
• Subjects: CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; METALLURGY; ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP

Disclosed are polyester blends that provide improved stress whitening behavior. The blends may be prepared from a polyester having crystallization half-time of at least 5 minutes and a polyester elastomer. The polyesters blends may be extruded or, in the presence of a release additive, calendered to...