Patent ID: 11926731
Assignee: KRATON CORPORATION
Field: Macromolecular chemistry, polymers (Chemistry)
Classification: CPC C  A | IPC C

Claim 5:
6. The hydrogenated block copolymer of claim 1, wherein before hydrogenation,
A is a polymer block of a vinyl aromatic monomer, having a peak molecular weight (Mp) of 20-50 kg/mol,
B is a polymer block comprising 70-90 mol % of one or more conjugated dienes, and 10-30 mol % of a vinyl aromatic monomer;
C is a polymer block of a vinyl aromatic monomer, having a peak molecular weight of 2-6 kg/mol; and
D is a polymer block comprising 70-90 mol % of one or more conjugated dienes, and 10-30 mol % of a vinyl aromatic monomer.