	US 11,920,032 B2
	Rubber composition for tyre rim cushion
Anup Mondal, Enschede (NL); Henrik Stevens, Hannover (DE); and Louis Reuvekamp, Enschede (NL)
Assigned to Apollo Tyres Global R & D B.V., Enschede (NL)
Appl. No. 17/280,272
Filed by Apollo Tyres Global R&D B.V., Enschede (NL)
PCT Filed Sep. 26, 2019, PCT No. PCT/EP2019/076103 § 371(c)(1), (2) Date Mar. 26, 2021, PCT Pub. No. WO2020/064960, PCT Pub. Date Apr. 2, 2020.
Claims priority of application No. 100966 (LU), filed on Sep. 28, 2018.
Prior Publication US 2022/0112360 A1, Apr. 14, 2022
Int. Cl. C08L 7/00 (2006.01); B60C 1/00 (2006.01); C08F 222/06 (2006.01); C08J 3/24 (2006.01); C08K 3/013 (2018.01); C08K 3/04 (2006.01); C08L 9/00 (2006.01); C08L 19/00 (2006.01); C08L 23/08 (2006.01)

CPC C08L 7/00 (2013.01) [B60C 1/0016 (2013.01); C08F 222/06 (2013.01); C08J 3/24 (2013.01); C08K 3/013 (2018.01); C08K 3/04 (2013.01); C08L 9/00 (2013.01); C08L 23/0869 (2013.01); C08L 2205/03 (2013.01)]

11 Claims

1. A cross-linkable rubber composition, the cross-linkable rubber composition comprising:

a natural rubber (NR),

a filler, and

a resin,

characterised in that

the resin is a terpolymer of ethylene, acrylic ester and maleic anhydride and is present in an amount ranging from ≥5 phr to ≤20 phr, and

wherein the rubber composition further comprises a butadiene rubber, wherein the butadiene rubber has a cis content in the range of 25-50% or 75-99% by weight.