Patent ID: 11873416
Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.
Field: Macromolecular chemistry, polymers (Chemistry)
Classification: CPC C  A | IPC A  C

Claim 1:
2. The golf ball according to claim 1, wherein the polyol composition contains a polyrotaxane as a polyol component, the polyrotaxane has a cyclodextrin, a linear molecule piercing through the cyclic structure of the cyclodextrin, and blocking groups located at both terminals of the linear molecule to prevent disassociation of the cyclodextrin, and at least a part of hydroxyl groups of the cyclodextrin is modified with a caprolactone chain via a —O—C3H6—O-group, and an amount of the polyrotaxane in the polyol component is 30 mass % or more.