Composition for producing golf balls and multi-piece golf balls
一种多层高尔夫球、高尔夫球的技术，应用在高尔夫球、高尔夫球、球类等方向，能够解决触感硬、不能延长飞行距离、高尔夫球很难实现等问题，达到反弹性优异、密合性提高、耐用性优异的效果
Inactive Publication Date: 2007-04-25
MIZUNO CORPORATION
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- Abstract
- Description
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- Application Information
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Problems solved by technology
If the shell material is made of soft material, the touch will be soft, but the flight distance will not be extended; on the contrary, if the hard material is used, the flight distance will be extended, but the touch will be harder
A golf ball that fully satisfies these opposing properties is difficult to achieve
Method used
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Embodiment
[0293] Hereinafter, the present invention will be specifically described by way of examples and test examples, but the present invention is not limited to the given examples.
[0294] Polyurethane Gel Composite Particles
[0295] Polyurethane gel composite particles used in the following examples are DAIMIC BEAZ UCN-5070D series (average particle size: 7 μm) containing a thermosetting polyurethane resin manufactured by Dainichi Seika Kogyo Co., Ltd. The characteristics of the fine particles are shown in Table 1 below.
[0296] Table 1
[0297] UCN-5070D
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Abstract
A composition for golf ball formation which comprises: fine polyurethane gel composite particles comprising fine gel particles of a three-dimensionally crosslinked polyurethane produced from a polyisocyanate compound and a compound containing no polyethylene oxide group but containing active hydrogen, at least either of the compounds having a functionality of 3 or higher, and colloidal polyurea particles which were precipitated from a colloidal solution of a polyurea in a nonaqueous solvent and with which the surface of the fine gel particles has been coated; and at least one base selected from the group consisting of synthetic resins and elastomers. Also provided is a multipiece golf ball any one or more layers of which are layers formed from the composition.
Description
technical field [0001] The present invention relates to a golf ball molding composition and a multi-piece golf ball. Background technique [0002] Currently, ionomer resin is the mainstream as the cover material of multilayer golf balls. A golf ball having an ionomer resin cover has a long flight distance and durability, but has a hard hitting feel, and the ball is released quickly at the time of hitting, so the controllability is poor. [0003] For this reason, in recent years, in order to improve the softness and controllability when hitting, more and more soft shells made of polyurethane resin or the like have been used. [0004] Therefore, as far as golf balls are concerned, the pursuit is to balance softness, controllability and flight distance. If the shell material is made of soft material, the touch will be soft, but the flight distance cannot be extended; on the contrary, if the hard material is used, the flight distance will be extended, but the touch will be har...
Claims
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IPC IPC(8): A63B37/00A63B37/04A63B37/06A63B37/08A63B37/12C08L75/02
CPCC08L75/02C08G2220/00A63B37/0003A63B37/12A63B37/0097
Inventor 小野田健次小川雅央中裕里二宫德数
Owner MIZUNO CORPORATION
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