Chemically-treated outsole assembly for a golf shoe

Abstract

An out-sole assembly for a golf shoe. The outsole assembly includes an internal base member composed of EVA, an inner frame member composed thermoplastic polyurethane subjected to an isocyanate solution, an external base member composed of a thermoplastic polyurethane, a dual looping frame composed of a thermoplastic polyurethane, and a plurality of spike members.

1 . An outsole assembly for a golf shoe comprising:
 an inner frame member composed thermoplastic polyurethane subjected to an isocyanate solution;   an external base member;   a dual looping frame comprising a plurality of traction teeth; and   a plurality of spike members;   wherein a height of the out-sole assembly ranges from 30 mm to 50 mm.   
     
     
         2 . A golf shoe comprising:
 an upper with an opening;   a mid-sole;   an outsole assembly comprising
 an inner frame member, 
 an external base member, 
 a dual looping frame, the dual looping frame comprising a plurality of teeth, each of the plurality of traction teeth having a height ranging from 1 mm to 6 mm, and 
 a plurality of spike members, 
 wherein at least one of the components above has a Shore D hardness of 60 or less and is molded from a thermoplastic material comprising a polyurethane, polyurea or polyurethane/polyurea composition having a flex modulus of 30,000 psi or less and a melt index of 15 g/10 min or more at a temperature of 200° C. to 210° C. and a load of 8.71 g prior to molding, and wherein the component is treated with a secondary curing agent comprising an isocyanate subsequent to molding; 
 wherein a height of the out-sole assembly ranges from 30 mm to 50 mm. 
   
     
     
         3 . The golf shoe according to  claim 2  wherein said isocyanate is selected from the group consisting of 4,4′-diphenylmethane diisocyanate (“MDI”); 2,4-toluene diisocyanate (“TDI”); m-xylylene diisocyanate (“XDI”); methylene bis-(4-cyclohexyl isocyanate) (“HMDI”); hexamethylene diisocyanate (“HDI”); naphthalene-1,5,-diisocyanate (“NDI”); 3,3′-dimethyl-4,4′-biphenyl diisocyanate (“TODI”); 1,4-diisocyanate benzene (“PPDI”); phenylene-1,4-diisocyanate; 2,2,4- or 2,4,4-trimethyl hexamethylene diisocyanate (“TMDI”); isophorone diisocyanate (“IPDI”); 1,4-cyclohexyl diisocyanate (“CHDI”); diphenylether-4,4′-diisocyanate; p,p′-diphenyl diisocyanate; lysine diisocyanate (“LDI”); 1,3-bis(isocyanato methyl)cyclohexane; polymethylene polyphenyl isocyanate (“PMDI”); meta-tetramethylxylylene diisocyanate (“TMXDI”); and combinations thereof. 
     
     
         4 . The golf shoe according to  claim 2  wherein each of a plurality of the components has a Shore D hardness of 60 or less and is molded from a thermoplastic material comprising a polyurethane, polyurea or polyurethane/polyurea composition having a flex modulus of 30,000 psi or less and a melt index of 15 g/10 min or more at a temperature of 200° C. to 210° C. and a load of 8.7 kg prior to molding, and wherein the component is treated with a secondary curing agent comprising an isocyanate subsequent to molding.