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US 2010/0144467 A1Published application
Compositions useful in golf balls
AssigneesThe Hanson Group, LLC, Foremost Golf Manufacturing, Ltd.
InventorsWallace Lee Hanson, JR., Kevin W. Light, Ray Vernon Scott, JR., Shenshen Wu
Life of this patent
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Abstract
Curable polyurethane, polyurea and polyurethane/polyurea compositions that are particularly useful as the outer layer and/or at least one inner layer of golf balls, cured compositions, golf balls comprising the cured composition, and methods of increasing the initial velocity of a golf ball using the curable polyurethane, polyurea and polyurethane/polyurea compositions are disclosed.
Claims26
A composition, comprising:
- a. a prepolymer comprising the reaction product of:
- i. a polyisocyanate;
- and
- i. a component selected from the group comprising a first polyol, a first polyamine having a molecular weight of greater than about 900 grams/mol or combination thereof;
- b. a first curing agent which is an optionally substituted 4,4′-methylenebisaniline;
- and
- c. at least one second curing agent;
- wherein said second curing agent has a cure rate that is slower than the cure rate of said first curing agent.
5 more elements
A composition, comprising:
- a. a polyurethane prepolymer comprising the reaction product of:
- i. toluene diisocyanate;
- and
- ii. polytetramethylene ether glycol.
- b. 4,4′-methylenebis(2-ethylaniline);
- and
- c. at least one second curing agent selected from the group consisting of dimethylthio-2,4-toluenediamine;
- dimethylthio-2,6-toluenediamine;
- polycaprolactone triol;
- polytetramethyleneoxide-di-p-aminobenzoate;
- polyetheramine;
- dimer diol;
- and mixtures thereof.
10 more elements
Dependencies are inferred from the claim text.