Patent ID: 6407147
Filing Date: 2002-06-18
Classification: A63B,B29C,B29K,B29L,C08F,C08J,C08K,C08L

Abstract:
A game ball having a cover comprising an unneutralized terpolymer comprising (a) an olefin having 2 to 8 carbon atoms, (b) an unsaturated monomer of the acrylate ester class having from 1 to 21 carbon atoms, and (c) an acid which includes at least one member selected from the group consisting of &agr;, &bgr;-ethylenically unsaturated mono- or dicarboxylic acids, said terpolymer resin having a sufficient degree of covalent cross-linking to impart to the cover improved resistance to at least one of scuffing and cutting, the extent of covalent cross-linking of the ionomer being that which results from a radiation dosage of at least 10 kGy, the post treatment scuff and cut resistance being in the range of 1-2.5.