Rubber Composition and Golf Ball Having The Same

A rubber composition for golf balls, comprises a base polymer consisted of (A) 20-99 weight parts of high cis polybutadiene synthesized in the presence of a cobalt-based catalyst and having a Mooney viscosity of 50-70 and a molecular weight distribution (Weight average molecular weight (Mw)/ Number...

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Bibliographic Details
Main Authors ISHIGUCHI KOUJI, OKAMOTO NAOMI
Format Patent
LanguageEnglish
Published 06.03.2008
Subjects
AMUSEMENTS
APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING,CLIMBING, OR FENCING
BALL GAMES
CHEMISTRY
COMPOSITIONS BASED THEREON
COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
GAMES
HUMAN NECESSITIES
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
SPORTS
THEIR PREPARATION OR CHEMICAL WORKING-UP
TRAINING EQUIPMENT
USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS
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Summary:A rubber composition for golf balls, comprises a base polymer consisted of (A) 20-99 weight parts of high cis polybutadiene synthesized in the presence of a cobalt-based catalyst and having a Mooney viscosity of 50-70 and a molecular weight distribution (Weight average molecular weight (Mw)/ Number average molecular weight (Nw)) of 2.5-3.8, and (B) 80-1 weight part(s) of high cis polybutadiene synthesized in the presence of a non-cobalt-based catalyst and having a Mooney viscosity of 30-70; and a crosslinking coagent.
Bibliography:Application Number: US20050565427