	US 12,064,996 B2
	Rubber composition for a tire tread
Christine Nourry, Clermont-Ferrand (FR); and Floriandre Voisin, Clermont-Ferrand (FR)
Assigned to COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN, Clermont-Ferrand (FR)
Appl. No. 17/625,409
Filed by COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN, Clermont-Ferrand (FR)
PCT Filed Jul. 6, 2020, PCT No. PCT/FR2020/051191 § 371(c)(1), (2) Date Jan. 7, 2022, PCT Pub. No. WO2021/005295, PCT Pub. Date Jan. 14, 2021.
Claims priority of application No. 1907674 (FR), filed on Jul. 9, 2019.
Prior Publication US 2022/0314696 A1, Oct. 6, 2022
Int. Cl. B60C 1/00 (2006.01); C08C 19/22 (2006.01); C08C 19/25 (2006.01); C08F 136/08 (2006.01); C08K 3/04 (2006.01); C08L 9/06 (2006.01)

CPC B60C 1/0016 (2013.01) [C08C 19/22 (2013.01); C08C 19/25 (2013.01); C08F 136/08 (2013.01); C08K 3/04 (2013.01); C08L 9/06 (2013.01); C08L 2205/03 (2013.01)]

16 Claims

1. A tire, the tread of which comprises a rubber composition based on:

an elastomeric matrix comprising from 25 to 95 parts by weight per hundred parts by weight of elastomer, phr, of copolymer based on butadiene and on styrene having a glass transition temperature within a range extending from −95° C. and −85° C., and from 5 to 75 phr of polybutadiene, the elastomeric matrix comprising less than 15 phr of isoprene elastomer;

at least one reinforcing filler;

from 25 to 100 phr of at least one plasticizing resin having a glass transition temperature of greater than 20° C.; and

a vulcanization system.