Golf ball
US10232224B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 30, 2017 |
| Grant date | Mar 19, 2019 |
| Priority date | — |
| Expiry date | Jun 8, 2037 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA63B37/0074
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
An object of the present invention is to provide a golf ball having excellent resilience performance. The present invention provides a golf ball having a spherical core and at least one cover layer, wherein the spherical core is formed from a rubber composition containing (a) a base rubber, (b) an α,β-unsaturated carboxylic acid having 3 to 8 carbon atoms and/or a metal salt thereof as a co-crosslinking agent, and (c) a crosslinking initiator, provided that the rubber composition further contains (d) a metal compound in the case of containing only (b) the α,β-unsaturated carboxylic acid having 3 to 8 carbon atoms as the co-crosslinking agent, wherein (c) the crosslinking initiator includes a peroxy ketal represented by the formula (1), and substituents represented by R1 and R2 have a bond dissociation energy of 435 KJ/mol or more.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.