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Golf ball forming compositions comprising polyamide

  • US 6,294,617 B1
  • Filed: 05/14/1999
  • Issued: 09/25/2001
  • Est. Priority Date: 05/23/1997
  • Status: Expired due to Fees
First Claim
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1. A golf ball comprising at least one core layer, a cover layer, and at least one intermediate layer disposed between at least one said core layer and the cover layer, wherein at least one said core layer or at least one said intermediate layer comprises a polymer composition comprising about 1 to about 99 weight percent of at least one nonionomer thermoplastic polymer selected from the group consisting of poly(ethylene terephthalate), poly(butylene terephthalate), poly(trimethylene terephthalate), polycarbonate, poly(imide), poly(vinyl alcohol), poly(vinyl acetate), poly(silane), poly(vinylidene fluoride), acrylonitrile-butadiene-styrene copolymer, olefinic homopolymers, block copoly(ester-ester), block copoly(ester-ether), block copoly(amide-ester), block copoly(amide-ether), block copoly(urethane-ester), block copoly(urethane-ether), a thermoplastic and elastomer blend comprising polypropylene and ethylene-propylene-diene terpolymer, or ethylene-propylene copolymer rubber, wherein the rubber is dynamically vulcanized, metallocene-catalyzed polymers, a thermoplastic and elastomer blend comprising polypropylene and ethylene-propylene-diene monomer, polyethylene, polypropylene, a copolymer of ethylene or propylene with acrylic acid or methacrylic acid, a polymer formed with the use of metallocene catalysts and consisting essentially of a copolymer of ethylene and butene, a copolymer of ethylene and hexene or a copolymer of ethylene and octene, a terpolymer formed with the use of metallocene catalysts and consisting essentially of a polymer of ethylene, propylene and a diene monomer, poly(methyl acrylate), poly(methyl methacrylate), acrylonitrile-styrene-butadiene terpolymer, a terpolymer consisting essentially of an α

  • -olefin monomer containing from 2 to 10 carbon atoms, an alkyl acrylate or an alkyl alkylacrylate monomer, and a glycidyl acrylate or a glycidyl alkylacrylate monomer, wherein each alkyl group ranges, independently, from methyl to decyl inclusive and may be linear or branched, a copolymer consisting essentially of an α

    -olefin monomer containing from 2 to 10 carbon atoms and a vinyloxazoline or 1-alkyl vinyloxazoline monomer, wherein the alkyl group ranges from methyl to decyl inclusive and may be linear or branched, a terpolymer consisting essentially of an α

    -olefin monomer containing from 2 to 10 carbon atoms, an alkyl acrylate or an alkyl alkylacrylate monomer, and a vinyloxazoline or 1-alkyl vinyloxazoline monomer, wherein each alkyl group ranges, independently, from methyl to decyl inclusive and may be linear or branched, a copolymer consisting essentially of an α

    -olefin monomer containing from 2 to 10 carbon atoms and carbon monoxide, a terpolymer consisting essentially of a first α

    -olefin monomer containing from 2 to 10 carbon atoms, a second α

    -olefin monomer containing from 2 to 10 carbon atoms, and carbon monoxide, a copolymer consisting essentially of an α

    -olefin monomer containing from 2 to 10 carbon atoms and sulfur dioxide, a terpolymer consisting essentially of a first α

    -olefin monomer containing from 2 to 10 carbon atoms, a second α

    -olefin monomer containing from 2 to 10 carbon atoms, and sulfur dioxide, a copolymer consisting essentially of an α

    -olefin monomer containing from 2 to 10 carbon atoms and maleic anhydride, a terpolymer consisting essentially of an α

    -olefin monomer containing from 2 to 10 carbon atoms, maleic anhydride, and carbon monoxide;

    a terpolymer consisting essentially of an α

    -olefin monomer containing from 2 to 10 carbon atoms, maleic anhydride, and sulfur dioxide, and mixtures thereof, and about 99 to about 1 weight percent of at least one polyamide polymer selected from the group consisting of polyamide 6, polyamide 11, polyamide 12, polyamide 4,6, polyamide 6,6, polyamide 6,9, polyamide 6,10, polyamide 6,12, polyamide 6/6,6, polyamide 6,6/6,10, polyamide 6/6,T, polyamide 6/6,6/6,10, and mixtures thereof.

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