	US 11,987,706 B2
	Elastomer composition
James T. Seliskar, Bay City, MI (US); and Ted Hays, Richfield, OH (US)
Assigned to Dow Global Technologies LLC, Midland, MI (US); and Dow Silicones Corporation, Midland, MI (US)
Appl. No. 17/259,638
Filed by Dow Global Technologies LLC, Midland, MI (US)
PCT Filed May 29, 2019, PCT No. PCT/US2019/034314 § 371(c)(1), (2) Date Jan. 12, 2021, PCT Pub. No. WO2020/027903, PCT Pub. Date Feb. 6, 2020.
Claims priority of provisional application 62/711,699, filed on Jul. 30, 2018.
Prior Publication US 2021/0317314 A1, Oct. 14, 2021
Int. Cl. C08L 91/00 (2006.01); B60N 3/04 (2006.01)

CPC C08L 91/00 (2013.01) [B60N 3/04 (2013.01); C08L 2205/035 (2013.01)]

14 Claims

1. An elastomer composition comprising:

(a) an elastomer blend component comprising a mixture of:

(ai) from 10 weight percent to 30 weight percent of a hydrogenated block copolymer produced by hydrogenating a block copolymer comprising at least one polymer block composed of a vinyl aromatic compound as a principal component and at least one polymer block composed of a conjugated diene compound as a principal component, said hydrogenated copolymer having a number average molecular weight ≤200,000 Daltons;

(aii) from 5 weight percent to 30 weight percent of a propylene homopolymer and/or a propylene copolymer comprising propylene;

(aiii) from 20 weight percent to 40 weight percent of a mineral oil;

(aiv) from 0.5 weight percent to 10 weight percent of a maleic anhydride grafted polymer; and

(av) from 10 weight percent to 45 weight percent of a non-surface treated filler;

(b) at least one first odor-reducing component; and