Golf ball compositions comprising dynamically vulcanized blends of highly neutralized polymers and diene rubber
First Claim
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1. A golf ball a core and a cover, wherein at least one of the core or the cover comprises a blend of:
- a highly neutralized jonomer formed from a reaction between an jonomer having acid groups, a suitable cation source, and a salt of an organic acid, the cation source being present in an amount sufficient to neutralized the acid by 80% or greater; and
a crosslinked or vulcanized diene rubber blend comprising;
a first polybutadiene formed with a cobalt or nickel catalyst having a first Mooney viscosity between 40 to 150; and
a second polybutadiene formed with a lanthanide series catalyst having a second Mooney viscosity between 30 to 100,wherein the first Mooney viscosity is greater than the second Mooney viscosity, and wherein the blend has a greater weight percentage of the first polybutadiene than that of the second polybutadiene.
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Abstract
A golf ball a core and a cover, wherein at least one of the core or the cover includes a blend of a highly neutralized ionomer formed from a reaction between an ionomer having acid groups, a suitable cation source, and a salt of an organic acid, the cation source being present in an amount sufficient to neutralized the acid by 80% or greater; and a crosslinked or vulcanized diene rubber.
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Citations
27 Claims
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1. A golf ball a core and a cover, wherein at least one of the core or the cover comprises a blend of:
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a highly neutralized jonomer formed from a reaction between an jonomer having acid groups, a suitable cation source, and a salt of an organic acid, the cation source being present in an amount sufficient to neutralized the acid by 80% or greater; and a crosslinked or vulcanized diene rubber blend comprising; a first polybutadiene formed with a cobalt or nickel catalyst having a first Mooney viscosity between 40 to 150; and a second polybutadiene formed with a lanthanide series catalyst having a second Mooney viscosity between 30 to 100, wherein the first Mooney viscosity is greater than the second Mooney viscosity, and wherein the blend has a greater weight percentage of the first polybutadiene than that of the second polybutadiene. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
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20. A golf ball comprising:
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a core, a cover, and a thin dense layer disposed between the core and the cover, the thin dense layer having a specific gravity of greater than 1.2 and being located outside of a centroid radius of the ball, wherein at least one of the core, the thin dense layer, or the cover comprises a blend of a highly neutralized ionomer formed from a reaction between an ionomer having acid groups, a suitable cation source, and a salt of an organic acid, the cation source being present in an amount sufficient to neutralized the acid by 80% or greater; and
a diene rubber blend comprising;a first polybutadiene formed with a cobalt or nickel catalyst having a first Mooney viscosity between 40 to 150; and a second polybutadiene formed with a lanthanide series catalyst having a second Mooney viscosity between 30 to 100, wherein the first Mooney viscosity is greater than the second Mooney viscosity, and wherein the blend has a greater weight percentage of the first polybutadiene than that of the second polybutadiene. - View Dependent Claims (21, 22, 23, 24, 25, 26)
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27. A one-piece golf ball comprising a blend of:
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a highly neutralized ionomer formed from a reaction between an ionomer having acid groups, a suitable cation source, and a salt of an organic acid, the cation source being present in an amount sufficient to neutralized the acid by 80% or greater; and a crosslinked or vulcanized diene rubber.
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Specification