Rubber composition for golf ball and golf ball produced using th

Details Rubber composition for golf ball and golf ball produced using th Rubber composition for golf ball and golf ball produced using th

1998-10-20

2000-10-31

Chapman, Jeanette

Games using tangible projectile

Golf

Ball

473377, A63B 3712

Patent

active

061394475

ABSTRACT:
The present invention provides a rubber composition for a golf ball, including: 100 parts by weight of a base rubber which is a mixture of polybutadiene (A) having Mooney viscosity of 40 to 65 and polybutadiene (B) having Mooney viscosity of 20 to 35, a weight ratio the polybutadiene (A)/the polybutadiene (B) being 40/60 to 90/10; and 5 to 60 parts by weight of vulcanized rubber powder. The polybutadiene (A) and the polybutadiene (B) respectively includes 40 or more percent of cis-1,4 bonds.

REFERENCES:
patent: 5215308 (1993-06-01), Hiraoka et al.
patent: 5733974 (1998-03-01), Yamada et al.

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