Patent ID: 11859039
Assignee: CARIFLEX PTE. LTD.
Field: Macromolecular chemistry, polymers (Chemistry)
Classification: CPC C | IPC C

Claim 0:
1. A branched polymer having a formula of (C)m(R1O)3-mSi—Y—Si(R2O)3-n(C)n, wherein
each C block is independently a polyisoprene;
each C block has a weight average molecular weight from 400-1000 kg/mol;
R1 and R2 are independently H, or C1-C6 alkyl groups;
Y is a C2-C8 alkylene group;
m and n are integers independently having values from 1-3; and
wherein the branched polymer has a coupling efficiency (CE) of at least 40%.