Multi-layer golf ball comprising a cover of ionomer blends
AssigneeAcushnet Company
InventorsChristopher Cavallaro, Murali Rajagopalan, Barbara Steffani Levitt, Dean A. Snell
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Abstract
The present invention relates to a golf ball cover composition comprising: a) from about 45 to 55 weight percent of a first high acid ionomer having an acid content of about 19 weight percent and, b) from 55 to 45 weight percent of an ionomer selected from the group consisting of i) a second high acid ionomer having acid groups neutralized with a different metal ion than said first high acid ionomer, and ii) an ionomer containing about 15 weight percent acid groups.
Claims36
A golf ball comprising
- (a) a core;
- and
- (b) at least one cover layer comprising a blend of:
- i) from about 45 to 55 weight percent of a high acid ionomer formed from an acid copolymer having an acid content of 19 weight percent;
- and
- ii) from about 55 to 45 weight percent of an ionomer formed from an acid copolymer having an acid content of 15 weight percent.
A golf ball comprising a cover and a core, wherein the cover comprises at least a first and a second cover layer wherein:
- (a) the first layer is an ionomer blend comprising:
- i) from about 45 to 55 weight percent of a high acid ionomer formed from an acid copolymer having an acid content of 19 weight percent;
- and
- ii) from about 55 to 45 weight percent of an ionomer formed from an acid copolymer having an acid content of 15 weight percent;
- and
- (b) the second layer comprising at least one polymer selected from the group consisting of a thermoplastic polyurethane, a thermoplastic polyetherester block copolymer or polyetheramide block copolymer, thermoplastic polyesters, polyesterester block copolymer, thermoplastic ionomer resins, a dynamically vulcanized thermoplastic elastomer, a functionalized styrene-butadiene elastomer, and a metallocene-catalyzed polymer.
A golf ball comprising:
- (a) a core;
- (b) at least one mantle layer disposed between the core and a cover layer, wherein the mantle layer comprises a material selected from the group consisting of dynamically vulcanized thermoplastic elastomer, functionalized styrene-butadiene elastomer, thermoplastic polyurethane or metallocene-catalyzed polymer, thermoplastic polyetherester block copolymers or polyetheramide block copolymers, thermoplastic polyesters, polyesterester block copolymers and thermoplastic ionomer resins;
- and
- (c) a cover layer comprising a blend of 1) from about 45 to 55 weight percent of a high acid ionomer formed from an acid copolymer having an acid content of 19 weight percent;
- and 2) from about 55 to 45 weight percent of an ionomer formed from an acid copolymer having an acid content of 15 weight percent.
A golf ball comprising:
- (a) a core;
- and
- (b) at least one cover layer comprising a blend of:
- (i) from about 45 to 55 weight percent of a high acid ionomer formed from an acid copolymer having an acid content of 19 weight percent, wherein said ionomer is at least partially neutralized with sodium ions;
- and
- (ii) from about 55 to 45 weight percent of an ionomer formed from an acid copolymer having an acid content of 15 percent, wherein said ionomer is at least partially neutralized with lithium ions.
Dependencies are inferred from the claim text.