Invention Application
- Patent Title: GOLF BALL
- Patent Title (中): 高尔夫球
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Application No.: US12560190Application Date: 2009-09-15
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Publication No.: US20100069173A1Publication Date: 2010-03-18
- Inventor: Satoko OKABE , Takahiro SHIGEMITSU , Kazuhiko ISOGAWA , Tsutomu HIRAU
- Applicant: Satoko OKABE , Takahiro SHIGEMITSU , Kazuhiko ISOGAWA , Tsutomu HIRAU
- Priority: JP2008-237037 20080916; JP2008-269361 20081020; JP2009-193330 20090824
- Main IPC: A63B37/12
- IPC: A63B37/12

Abstract:
An object of the present invention is to provide a golf ball excellent in fluidity, adhesion of the paint film, and repulsion. Another object of the present invention is to provide a golf ball which is excellent in durability and low-temperature durability. The present invention provides a golf ball comprising: a core and a cover covering the core, wherein the cover is formed from a cover composition that contains as a resin component, (a) a specific high melt viscosity ionomer resin being neutralized with at least two metal ions, and (b) a low melt viscosity ionomer resin being neutralized with at least two metal ions, in a ratio of (a) the high melt viscosity ionomer resin/(b) the low melt viscosity ionomer resin being 55 mass % to 99 mass %/45 mass % to 1 mass %, wherein at least one of metal ions neutralizing carboxyl groups of (a) the high melt viscosity ionomer resin and/or (b) the low melt viscosity ionomer resin is a divalent metal ion and a content of the divalent metal ion per 100 g of the resin component is at least 0.020 mole.
Public/Granted literature
- US08450425B2 Golf ball Public/Granted day:2013-05-28
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