Patent ID: 7582690
Filing Date: 2009-09-01
Classification: C08G,C08K

Abstract:
1. A stabilized, aliphatic polyester composition, comprising: (A) at least one aliphatic, thermoplastic polyester comprising residues of at least one substituted or unsubstituted, linear or branched, dicarboxylic acid selected from aliphatic dicarboxylic acids containing 2 to 18 carbon atoms and cycloaliphatic dicarboxylic acids containing 5 to 10 carbon atoms; and residues of at least one, substituted or unsubstituted, linear or branched, diol containing 2 to 18 carbon atoms selected from aliphatic diols, polyalkylene ether glycols, and cycloaliphatic diols; (B) at least one hindered amine light stabilizer selected from one or more compounds having formulas (1) and (3): wherein R R Y L L R (C) at least one tris-aryl-S-triazine UV-absorber; and (D) at least one pentaerythritol diphosphite,