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Golf balls containing interpenetrating polymer networks

  • US 8,353,788 B2
  • Filed: 09/17/2008
  • Issued: 01/15/2013
  • Est. Priority Date: 04/13/2001
  • Status: Expired due to Fees
First Claim
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1. A golf ball comprising a core, a cover, and an intermediate layer, wherein the cover layer comprises a non-ionomeric interpenetrating polymer network formed from a first polymeric component comprising polyurethane and a second polymeric component comprises polybutadienediacrylate copolymer, wherein the IPN exhibits a Δ

  • Tg between the first and the second polymeric components at least about 5% less than the Δ

    Tg between a polymer blend comprising the same polymeric components, and wherein at least one of first and second polymeric components is a crystallizable polymeric component that exhibits an area under a melting endotherm of at least about 2% less than the area under the melting endotherm of a homopolymer of the same crystallizable polymeric component.

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