Golf ball polyurethane cover formulations incorporating polyether polyol and polyphenylene ether polyol

A golf ball, comprising:

• a core;
• and
• a cover disposed on the core and formed from a cover composition, wherein the cover composition comprises the reaction product of:
• an isocyanate-containing component;
• a first isocyanate-reactive component comprising polyether polyol:
• a second isocyanate-reactive component comprising polyphenylene ether polyol, wherein the ratio of the first isocyanate-reactive component to the second isocyanate-reactive component ranges from about 70:30 to about 99:1;
• and
• a chain extender.

A golf ball, comprising:

• a core;
• and
• a cover disposed on the core and formed from a cover composition, wherein the cover composition comprises the reaction product of:
• an isocyanate-containing component,
• a first isocyanate-reactive component comprising polytetramethylene ether glycol,
• a second isocyanate-reactive component comprising poly(2,6-dimethyl-1,4-phenylene ether) diol, and
• a chain extender.