Golf ball cover compositions

   
   

A golf ball comprising a core and a cover, wherein the core or the cover comprises a thermoplastic or thermoset composition comprising a reaction product of an isocyanate and a siloxane polyahl having a formula of: ##STR1## where R.sub.1 is a hydrocarbon moiety; R.sub.2 to R.sub.6 are independently selected from hydrogen or hydrocarbon moieties; D.sub.1 and D.sub.2 are optional and independent hydrocarbon moieties; A.sub.1 and A.sub.2 are independent active hydrogen moieties; m is an integer from 1 to about 1,000; n is zero or an integer from 1 to about 1,000; and z is an integer from 1 to about 100.

Una pelota de golf que abarca una base y una cubierta, en donde la base o la cubierta abarca una composición termoplástica o del thermoset que abarca un producto de la reacción de un isocianato y un polyahl del siloxane que tienen un fórmula de: ## del ## STR1 donde está un moiety R.sub.1 del hidrocarburo; R.sub.2 a R.sub.6 se seleccionan independientemente de moieties del hidrógeno o del hidrocarburo; D.sub.1 y D.sub.2 son moieties opcionales y independientes del hidrocarburo; A.sub.1 y A.sub.2 son moieties activos independientes del hidrógeno; m es un número entero a partir de la 1 a cerca de 1.000; n es cero o un número entero a partir de la 1 a cerca de 1.000; y z es un número entero a partir de la 1 a cerca de 100.

 
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