LOW COMPRESSION, RESILIENT GOLF BALLS INCLUDING AN ORGANOSULFUR CATALYST AND METHOD FOR MAKING SAME

WIPO Patent Application WO2000038794

A9

A low compression, resilient golf ball having a center and a cover, made from a polybutadiene reaction product having polybutadiene, a cis-to-trans catalyst including an organosulfur component, and a free radical source. The reaction product has a first dynamic stiffness measured at -50 DEG C that is less than about 130 percent of a second dynamic stiffness neasured at 0 DEG C. A multi-layer golf ball having a center, at least one intermediate layer disposed concentrically about the center, and a cover. At least a portion of at least one of the center, intermediate layer, or both, are made from a reaction product including polybutadiene having a cis-to-trans catalyst that includes at least one organosulfur component and a free radical source. The reaction product has a first dynamic stiffness measured at -50 DEG C that is less than about 130 percent of a second dynamic stiffness measured at 0 DEG C. Addition of various combinations of polybutadiene, cis-to-trans catalyst including at least one organosulfur component, free radical source, filler, and crosslinker, produce golf balls and golf ball components that are resilient (fast) and have low compression (soft).

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BISSONNETTE LAURENT C
BULPETT DAVID A
DALTON JEFFREY L
LADD DEREK
GOSETTI STEVEN M
RAJAGOPALAN MURALI
WRIGLEY MARK N

PCT/US1999/030579

November 01, 2001

December 21, 1999

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ACUSHNET CO (US)

A63B37/00; A63B37/04; A63B37/06; A63B37/08; A63B37/12; A63B45/00; C08F8/48; C08K3/30; (IPC1-7): A63B37/12

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