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Golf ball which includes fast-chemical-reaction-produced component and method of making same

  • US 7,591,740 B2
  • Filed: 10/29/2007
  • Issued: 09/22/2009
  • Est. Priority Date: 01/26/2005
  • Status: Active Grant
First Claim
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1. A golf ball comprising:

  • a core; and

    a cover disposed about said core;

    wherein said cover comprises a fast reacting aliphatic-based polyurethane and/or polyurea material, wherein said fast reacting aliphatic-based polyurethane and/or polyurea material has a reaction time of less than two minutes at processing conditions, wherein said aliphatic-based polyurethane and/or polyurea material comprises the reaction product of an aliphatic diisocyanate prepolymer comprising methylene dicyclohexyl diisocyanate and polytetramethylene ether glycol, an aliphatic polyol and a catalyst, wherein the fast reacting aliphatic-based polyurethane and/or polyurea material of the cover has a flexural modulus ranging from 5 to 100 kpsi, wherein the golf ball has a Shore C hardness of 75.

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