Patent ID: 11970601
Assignee: DOW GLOBAL TECHNOLOGIES LLC
Field: Macromolecular chemistry, polymers (Chemistry)
Classification: CPC C | IPC C

Claim 0:
1. A thermoplastic polyolefin composition comprising:
(A) from 29.99 wt % to 99.99 wt % of a polypropylene polymer;
(B) from 0 wt % to 70 wt % of an elastomer component;
(C) from 0 wt % to 40 wt % of an additive component comprising of talc and an antioxidant; and
(D) from 0.01 wt % to 5 wt % of a scavenger component comprising a polyacetoacetate compound and calcium carbonate, wherein:
the polyacetoacetate compound has the Formula (I):, A is a polymer backbone, a C1-C30 substituted or unsubstituted linear or branched alkyl, aryl, arylalkyl, or alkaryl group, wherein the substituents may be one or more O, N, S, halogen, or phosphine;
RA is a bond or a C1-C30 linear or branched alkyl, aryl, arylalkyl, alkaryl group, or a substituted or unsubstituted ether moiety;
RB is a substituted or unsubstituted C1-C6 alkyl group, or a substituted or unsubstituted aryl group; and
n is a number from 2 to 100.