Patent ID: 8901209

Claim:
A wood-plastic polymer composition comprising: a blend of a) from 40 to 90 wt % of a thermoplastic resin; b) from 10 to 60 wt % of a wood filler; c) from 0.1 to 0.8 wt % of a thermal stabilizer comprising a blend of 1,3,5-Tris(4-tert-butyl-3-hydroxy-2,6-dimethyl benzyl)-1,3,5-triazine-(1H,3H,5H)-trione and Tris (2,4-di-t-butylphenyl)phosphite; and d) from 0.01 to 1.0 wt % of an ultraviolet stabilizer comprising a blend of an ultraviolet absorber and a hindered amine light stabilizer, wherein the wood-plastic polymer composition has an oxidation induction time of at least 90 minutes.