Golf ball

Details Golf ball Golf ball

2007-05-10

2009-06-30

Trimiew, Raeann (Department: 3711)

Games using tangible projectile

Golf

Ball

Reexamination Certificate

active

07553243

ABSTRACT:
The object of the present invention is to improve the resilience and the shot feeling of the golf ball to be obtained by reducing the content of trans-1,4-bond in a golf ball using for a core a polybutadiene having a high content of cis-1,4-bond. The golf ball of the present invention has a core comprising at least one layer or more and a cover covering the core, at least one layer of the core obtained by molding a rubber composition containing (a) a base rubber containing a polybutadiene obtained by polymerizing 1,3-butadiene in the presence of a catalyst containing a metallosalen complex and aluminoxane, (b) a co-crosslinking agent, and (c) a crosslinking agent.

REFERENCES:
patent: 6692381 (2004-02-01), Sakagami et al.
patent: 2006/0094832 (2006-05-01), Sakagami et al.
patent: 2002-282393 (2002-10-01), None
patent: 2002-338737 (2002-11-01), None
Kiyosho Endo et al., 1,4 Cis Selectivity and Molecular Weight COntrol of Polymer in the Polymerization of 1,3-Butadiene with Metallosalen Complexes/Methylaluminoxane Catalysts, 2005, e-journal.

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