Title:
【発明の名称】多層ゴルフボール及び組成物
Document Type and Number:
Japanese Patent JP2001526103
Kind Code:
A
Abstract:
The present invention is directed towards a multi-layer golf ball which comprises a core, a cover layer and at least one intermediate layers disposed between the core and cover, wherein the intermediate layer comprises an ethylene methacrylic/acrylic acid copolymer and optionally, a second thermoplastic component such as polyetherester block copolymer, polyesterester block copolymer, polyetheramide block copolymer, dynamically vulcanized thermoplastic elastomer, functionalized styrene-butadiene elastomer, thermoplastic polyurethane, thermoplastic polyesters, metallocene polymer or blends thereof and a filler such as zinc oxide, titanium dioxide or blends thereof. Further, in a preferred embodiment, the core has a compression less than 60, the finished ball has a COR (@ 125 ft/sec) of about 0.795 to about 0.815, the intermediate layer has a specific gravity of greater than about 1.2 and the cover has a Shore D hardness of about 60 to about 72.
Inventors:
Cavalaro christopher
Dalton Jeffrey El
Rajago Paran Mulally
Dalton Jeffrey El
Rajago Paran Mulally
Application Number:
JP2000525182A
Publication Date:
December 18, 2001
Filing Date:
December 22, 1998
Export Citation:
Assignee:
ACUSHNET COMPANY
International Classes:
A63B37/12; A63B37/00; B32B27/30; C08L9/00; C08L23/08; C08L53/00; C08L53/02; B29C43/30; C08F210/02; C08L21/00; C08L75/04; (IPC1-7): A63B37/12; A63B37/00
Attorney, Agent or Firm:
Minoru Nakamura (9 outside)