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One-piece golf ball 发明申请

2023-08-03 3720 66K 0

专利信息

申请日期 2025-07-10 申请号 JP2011133805
公开(公告)号 JP2011173018A 公开(公告)日 2011-09-08
公开国别 JP 申请人省市代码 全国
申请人 BRIDGESTONE SPORTS CO LTD
简介 PROBLEM TO BE SOLVED : To provide a one-piece golf ball capable of reducing the time for vulcanization, and improving productivity and exhibiting an excellent hitting feeling, resilience, and flying capability. SOLUTION : The one-piece golf ball has a vulcanized molded product made of a rubber composition including 10-40 pts.wt. of methacrylic acid, 10-60 pts.wt. of a zinc oxide, and 0.1-0.8 pts.wt. of an organic peroxide to 100 pts.wt. of a rubber base material including 60-100 wt.% of polybutadiene synthesized by using a rare earth element catalyst including at least 95 wt.% of cis-1, 4-bond and 1.7% or less of 1, 2-vinyl bond, and having a 5 wt.% toluene solution viscosity η at 25°C of from 280 mPa s to 475 mPa s and a Mooney viscosity (ML1+4(100°C)) of at least 40. The one-piece golf ball has excellent extrudability, and is excellent in hitting feeling and resilience. COPYRIGHT : (C)2011, JPO&INPIT


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