Patent ID: 11919977
Assignee: ARLANXEO SINGAPORE PTE. LTD.
Field: Macromolecular chemistry, polymers (Chemistry)
Classification: CPC C | IPC C

Claim 23:
24. The process of claim 16, wherein
the multiolefin monomer includes isoprene;
wherein the method includes preparing the hypochloric acid and/or dichlorine oxide by reacting sodium hypochlorite with one or more carboxylic acids;
optionally, wherein the step of reacting the copolymer is carried out in the presence of antioxidant;
optionally, wherein the isoolefin monomer includes isobutene;
optionally, wherein the copolymer comprises 1-(1-chloromethylethenyl)-2,2,4,4-tetramethylcyclohexane (C1-C13) and 1,1,5,5-tetramethyl-2-(1-chloromethylethenyl)-3-(2,2,4-trimethylpentyl)-cyclohexane (C1-C21) in an amount of together 1000 ppm or less and/or in a ratio (C1-C13) / (C1-C21) of 0.60 or more.