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Compositions for golf equipment

a technology for golf equipment and compositions, applied in the field of polyurea compositions, can solve the problems of difficult processing of polyurea compositions, insufficient time to adequately mix materials and mold parts,

Inactive Publication Date: 2010-09-23
ACUSHNET CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The present invention is about a new kind of golf ball that has a layer made from a special material called polyurea composition. This composition is made by combining three different chemicals: a type of glue, a type of curing agent, and a type of catalyst. The technical effect of this invention is that it provides a more durable and reliable golf ball that can withstand more impacts and maintain its shape even after being hit repeatedly.

Problems solved by technology

However, polyurea compositions can be difficult to process during golf ball manufacturing.
For example, many polyurea systems have rapid viscosity build-up upon mixing due to their auto-catalytic nature, which does not allow enough time to adequately mix the materials and mold the parts.

Method used

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  • Compositions for golf equipment
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Examples

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Embodiment Construction

[0006]By the present invention, it has been found that the reactions of linear and cycloaliphatic-based polyisocyanates and cycloaliphatic amine curing agents can be effectively inhibited by the addition of tin compounds.

[0007]The compositions of the present disclosure typically comprise a reaction product of a polyisocyanate and one or more reactants. In one example, the reaction product can be a polyurethane formed from a polyurethane prepolymer and a curative, the polyurethane prepolymer being a reaction product of a polyol telechelic and an isocyanate. The polyol telechelic comprises at least two terminal hydroxyl end-groups that are independently primary, secondary, or tertiary. The polyol telechelic can further comprise additional hydroxyl groups that are independently located at the termini, attached directly to the backbone as pendant groups, and / or located within pendant moieties attached to the backbone. The polyol telechelic can be α,ω-hydroxy telechelics having isocyanat...

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Abstract

The present invention is directed to golf balls having at least one layer formed from a polyurea composition. The polyurea is formed by combining a polyurea prepolymer, a polyamine curative, and a tin catalyst. Golf balls of the present invention include one-piece, two-piece, multi-layer, and wound golf balls. The composition may be present in any one or more of a core layer, a cover layer, or an intermediate layer.

Description

CROSS-REFERENCE TO RELATED APPLICATIONS[0001]This application is a continuation of U.S. patent application Ser. No. 11 / 965,220, filed Dec. 27, 2007, which is a continuation-in-part of U.S. patent application Ser. No. 11 / 162,544, filed Sep. 14, 2005, now U.S. Pat. No. 7,417,106, which is a continuation-in-part of U.S. patent application Ser. No. 10 / 859,557, filed Jun. 2, 2004, now U.S. Pat. No. 7,105,628, which is a continuation-in-part of the following: U.S. patent application Ser. No. 10 / 407,641, filed Apr. 4, 2003, now U.S. Pat. No. 6,861,492; U.S. patent application Ser. No. 10 / 434,738, filed May 9, 2003, now U.S. Pat. No. 6,989,431; U.S. patent application Ser. No. 10 / 434,739, filed May 9, 2003, now U.S. Pat. No. 6,949,617; U.S. patent application Ser. No. 10 / 619,313, filed Jul. 14, 2003, now U.S. Pat. No. 6,903,178; U.S. patent application Ser. No. 10 / 640,532, filed Aug. 13, 2003, now U.S. Pat. No. 6,943,213; and U.S. patent application Ser. No. 10 / 409,144, filed Apr. 9, 2003, ...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): A63B37/12A63B37/00C08G18/00C08G18/10C08G18/50C08G18/69C08G18/75C08G69/26C09D175/12
CPCA63B37/0003A63B37/0061C09D175/12C08G18/758C08G18/69C08G18/5024C08G18/10C08G18/0852A63B37/12A63B37/0076A63B37/0075A63B37/0064A63B37/0065C08G18/792C08G18/3234C08G18/3206C08G18/324C08G18/5021C08G18/75C08G18/246A63B37/0074A63B37/00
Inventor RAJAGOPALAN, MURALIRICCI, SHAWNKUNTIMADDI, MANJARIWU, SHENSHEN
Owner ACUSHNET CO