| 简介 |
PROBLEM TO BE SOLVED : To provide a one-piece golf ball which achieves excellent hitting touch and resilience along with a higher extrusion workability.
SOLUTION : The one-piece golf ball comprises a vulcanization molded product of a rubber composition which is composed of 100 pts.wt. of a base rubber containing 60-100 wt.% of polybutadiene having cis-1, 4-bond of 95 wt.% or more with the content of 1, 2-vinyl bond of 1.7% or less blended with 10-40 pts.wt. of unsaturated carboxylic acid, 10-60 pts.wt. of metal oxide and 0.9-5 pts.wt. of organic peroxide. The polybutadiene is synthesized using a rare earth element based catalyst with the Moony viscosity (ML1+4(100°C)) of 40 or more.
COPYRIGHT : (C)2008, JPO&INPIT |
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