Compositions for Use in Golf Balls

Abstract

A golf ball comprising a core and at least one layer disposed about the core, wherein at least one of the core or the layer is formed from a composition comprising a base polymer, a crosslink initiator, and an additive comprising an aromatic iodonium compound or an aromatic iodonium salt.

1 . A golf ball comprising a core and at least one layer disposed about the core, wherein at least one of the core or the layer is formed from a composition comprising a base polymer, a crosslink initiator, and an additive comprising an aromatic iodonium compound or an aromatic iodonium salt. 
   
   
       2 . The golf ball of  claim 1 , wherein the aromatic iodonium salt comprises an aromatic iodonium halide. 
   
   
       3 . The golf ball of  claim 1 , wherein the aromatic iodonium compound comprises diphenyl iodonium iodide; diphenyl iodonium bromide; diphenyl iodonium chloride; diphenyl iodonium nitrate; diphenyl iodonium acetate; diphenyl iodonium perchlorate; diphenyl iodonium 9,10-dimethoxyanthracene-2-sulfonate; diphenyl iodonium hexafluorophosphate;
 diphenyl iodonium perfluoro-1-butanesulfonate; diphenyl iodonium p-toluenesulfonate;   diphenyl iodonium triflate; or diphenyl iodonium-2-carboxylate monohydrate.   
   
   
       4 . The golf ball of  claim 1 , wherein the aromatic iodonium compound comprises diphenyl iodonium iodide. 
   
   
       5 . The golf ball of  claim 1 , wherein the layer comprises the composition and the golf ball further comprises an outer cover layer. 
   
   
       6 . The golf ball of  claim 1 , wherein the outer cover layer comprises two layers. 
   
   
       7 . The golf ball of  claim 1 , wherein core comprises a thermoplastic material, a thermoset material, or a rubber-based material. 
   
   
       8 . The golf ball of  claim 1 , wherein the core comprises the composition and the layer is an outer cover layer comprising an ionomer, a polyurethane, or a polyurea. 
   
   
       9 . The golf ball of  claim 1 , wherein the core comprises the composition and the golf ball further comprises an outer cover layer disposed adjacent the layer. 
   
   
       10 . The golf ball of  claim 1 , wherein the layer comprises the composition and core comprises a rubber-based material comprising a halogenated organosulfur material. 
   
   
       11 . The golf ball of  claim 1 , wherein the golf ball further comprises an outer cover layer having a thickness of 0.01 inches to 0.05 inches and a Shore D hardness of 40 to 55. 
   
   
       12 . The golf ball of  claim 11 , wherein the outer cover layer thickness 0.015 inches to 0.35 inches. 
   
   
       13 . The golf ball of  claim 11 , wherein a moisture vapor barrier layer is disposed between the outer cover layer and the layer, the barrier layer having a vapor transmission rate of 0.45 to 0.95 (g-mm)/(m 2 -day). 
   
   
       14 . The golf ball of  claim 1 , wherein the layer comprises the composition and core comprises an ethylene-based ionomer comprising acid moieties neutralized with an organic fatty acid salt, and sufficient cation source to bring the neutralization to 100%. 
   
   
       15 . The golf ball of  claim 1 , wherein the core comprises the composition and the layer comprises an ethylene-based ionomer comprising acid moieties neutralized with an organic fatty acid salt, and sufficient cation source to bring the neutralization to 100%. 
   
   
       16 . The golf ball of  claim 1 , wherein the core comprises the composition, the layer is an intermediate layer comprising an ethylene-based ionomer comprising acid moieties neutralized with an organic fatty acid salt, and sufficient cation source to bring the neutralization to 100%, and the golf ball further comprises an outer cover layer disposed about the layer comprising an ionomer, a polyurethane, or a polyurea. 
   
   
       17 . The golf ball of  claim 1 , wherein the core has an outer diameter of 1.50 inches to 1.62 inches. 
   
   
       18 . The golf ball of  claim 17 , wherein the core has an outer diameter of 1.54 inches to 1.59 inches. 
   
   
       19 . The golf ball of  claim 1 , wherein a combination of the core and the layer has a diameter of 1.58 inches to 1.64 inches. 
   
   
       20 . The golf ball of  claim 19 , wherein a combination of the core and the layer has a diameter of 1.59 inches to 1.63 inches.