Multilayer golf ball and composition

Details Multilayer golf ball and composition Multilayer golf ball and composition

1997-12-23

2000-09-26

Buttner, David J.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

525 92F, 525173, 525176, 525221, 473373, 473374, A63B 3700, A63B 3712

Patent

active

061243892

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.

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