| 主权项 |
1. A golf ball comprising:
a core having a diameter of about 1.50 inches to about 1.62 inches and a compression of about 120 atti or less formed of a composition comprising:
a copolymer of ethylene and an α, β-unsaturated carboxylic acid, wherein greater than about 70 percent of the acid groups in the copolymer are neutralized with a cation; anda flow modifier present in an amount of 50 parts per hundred to 75 parts per hundred based on a hundred parts of the copolymer, wherein the flow modifier comprises a fatty acid salt, wherein the composition has a melt flow index of at least 10.3 g/10 min or greater at 190° C. using a 2160 gram weight;
wherein the fatty acid salt comprises erucic acid, linoleic acid or dimerized derivatives thereof and a cation selected from the group consisting of barium, lithium, sodium, zinc, bismuth, chromium, cobalt, copper, potassium, strontium, titanium, tungsten, magnesium, cesium, iron, nickel, silver, aluminum, tin, and calcium; andwherein the composition has a Shore D hardness of about 40 to about 48 and a flexural modulus of about 23,300 psi to about 29,500 psi;a cover having a thickness of about 0.03 to about 0.09 inches. |
