Golf balls containing highly-neutralized acid polymers and ionic plasticizers

Inactive Publication Date: 2009-08-13
ACUSHNET CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although improvements in processability and golf ball properties have been achieved, the use of fatty acids or their salts at high levels can lead to discoloration (yellowing) and to surface blooming with subsequent coating adhesion problems.

Method used

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Embodiment Construction

[0015]The following detailed description of the embodiments of the present invention is not intended to limit the scope of the invention, as claimed, but is presented for purposes of illustration only, and not to necessarily limit features and characteristics of the present invention. Rather, the description is intended to set forth the best mode of operation of the invention, and to sufficiently enable one skilled in the art to practice the invention. Accordingly, the scope of the present invention is to be defined by the appended claims.

[0016]In describing and claiming the present invention, the following terminology will be used.

[0017]The singular forms “a,”“an,” and “the” include plural referents unless the context clearly dictates otherwise. Thus, for example, reference to “a layer” includes reference to one or more of such layers.

[0018]As used herein with respect to an identified property or circumstance, “substantially” refers to a degree of deviation that is sufficiently sma...

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Abstract

A golf ball comprising a core and a cover layer, wherein at least one of the core and the cover layer includes a polymer composition of a highly-neutralized acid polymer and an ionic plasticizer is disclosed and described. The highly-neutralized acid polymer can comprise at least 50 wt % of the polymer composition and have 70% to 100% of the acid groups neutralized. In addition, the ionic plasticizer can be alcohol esters, montanic acids, montanic acid esters, alkylene bis-amines, zwitterionic compounds, salts thereof, or combinations thereof.

Description

CROSS-REFERENCE TO RELATED APPLICATIONS[0001]This application is a continuation-in-part of U.S. application Ser. No. 12 / 110,418, filed on Apr. 28, 2008, which is a continuation of U.S. Pat. No. 7,365,128, each of which are incorporated herein by reference.FIELD OF THE INVENTION[0002]This invention relates to golf balls containing highly-neutralized acid polymers. More specifically, the present invention relates to golf balls containing specific combinations of highly-neutralized acid polymers and ionic plasticizers.BACKGROUND OF THE INVENTION[0003]Solid golf balls typically include one-piece, two-piece (i.e., solid core and a cover), and multi-layer (i.e., solid core of one or more layers and / or a cover of one or more layers) golf balls. Golf ball core and cover layers are typically constructed with polymer compositions including, for example, polybutadiene rubber, polyurethanes, polyamides, ionomers, and blends thereof. Ionomers, particularly ethylene-based ionomers, have become a ...

Claims

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Application Information

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IPC IPC(8): A63B37/00
CPCA63B37/0038A63B37/0043A63B37/0045A63B37/0049A63B37/0061A63B37/0065C08L33/02C08K5/0016C08K5/09C08L2666/02
InventorSULLIVAN, MICHAEL J.
OwnerACUSHNET CO