Patent ID: 11859086
Assignee: DOW SILICONES CORPORATION
Field: Macromolecular chemistry, polymers (Chemistry)
Classification: CPC C | IPC C

Claim 0:
1. A composition for preparing a wood plastic composite article, said composition comprising:
45 weight % to 70 weight % of (a) a lignocellulosic-based filler;
29.5 weight % to 84.5 weight % of (b) an ethylene-based polymer;
0.5 weight % to 6 weight % of (c) a polydiorganosiloxane of formula, , where each R is an independently selected monovalent hydrocarbon group of 1 to 18 carbon atoms that is free of aliphatic unsaturation, and subscript x has a value sufficient to give the polydiorganosiloxane a viscosity of >350 mPa·s to 100,000 mPa·s measured at 25° C. at 0.1 RPM to 50 RPM on a Brookfield DV-III cone & plate viscometer with #CP-52 spindle; and
≥0 to 4 weight % of (d) a maleated ethylene-based polymer;
each based on combined weights of starting materials (a), (b), (c), and (d) in said composition; and
where the maleated ethylene-based polymer has a melt index of 0.1 g/10 min to 25 g/10 min measured according to ASTM D1238-13 at 190° C. and 2.16 Kg and a maleic anhydride content of 0.25 weight % to 2.5 weight %.