UV Stabilization of Isosorbide Polycarbonates

USPTO Patent Application US 2012/0184651 A1
Application Date: Jul. 19th, 2012

ABSTRACT

Provided herein are polymeric compositions that are suitable protected from UV-induced discoloration and degradation. Such resins comprise an isosorbide polymer and one or more hindered amines. These resin compositions are...
Inventor(s):
Jeremy David Hurst,  Rotterdam (NL)
Roland Assink,  Vlissingen (NL)
Hans de Brouwer,  Oisterwijk (NL)
Application Number:
13/009,695
International Classification:
C08K 5/357 (20060101); C08K 5/3492 (20060101); B29C 47/00 (20060101); C08K 5/3435 (20060101)
US Classification:
524/96; 524/99; 524/100; 264/299
No Pictures Available

CLAIMS

What is claimed is:

1. A composition comprising: (a) an isosorbide polymer; and(b) one or more hindered amines selected from the group consisting of the formula:wherein R4 is hydrogen, oxyl, hydroxyl, alkyl of 1 to 20 carbons, alkenyl or alkynyl of 3 to 8 carbons, aralkyl of 7 to 12 carbons, aliphatic acyl of 1...

DESCRIPTION

FIELD OF THE INVENTION

The present invention relates to the development and use of UV stable, isosorbide-based polymer compositions.

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