US 12,441,871 B2
Composition comprising functionalized rubber and graphene, processes and applications thereof
Subhra Mohanty, Navi Mumbai (IN); Ritesh Dhanorkar, Gadchiroli (IN); Sibanarayan Tripathy, Puri (IN); Mrinmoy Debnath, Cooch Behar (IN); Abhijit Adhikary, Kolkata (IN); and Virendrakumar Gupta, Navi Mumbai (IN)
Assigned to Reliance Industries Limited, Mumbai (IN)
Appl. No. 17/642,571
Filed by Reliance Industries Limited, Mumbai (IN)
PCT Filed Feb. 3, 2021, PCT No. PCT/IB2021/050866
§ 371(c)(1), (2) Date Mar. 11, 2022,
PCT Pub. No. WO2021/156760, PCT Pub. Date Aug. 12, 2021.
Claims priority of application No. 202021004702 (IN), filed on Feb. 3, 2020.
Prior Publication US 2022/0298335 A1, Sep. 22, 2022
Int. Cl. C08L 9/08 (2006.01); B60C 1/00 (2006.01); C08K 3/04 (2006.01)
CPC C08L 9/08 (2013.01) [B60C 1/0016 (2013.01); C08K 3/042 (2017.05)] 20 Claims
 
1. A composition comprising a polymer and about 0.5 parts per hundred of rubber (PHR) to about 5.0 PHR of a filler, wherein the polymer comprises:
(i) about 45 PHR to 70 PHR of at least one conjugated diene monomer;
(ii) about 10 PHR to about 30 PHR of at least one vinyl substituted aromatic monomer; and
(iii) about 1 PHR to about 30 PHR of at least one polar co-monomer selected from the group consisting acrylate, methacrylate, propoxylate, and sulphonate;
and wherein the filler consists of graphene.