Golf ball

Abstract

A golf ball with improved spin performance, i.e., controllability with an iron, as well as improved resilience and scratch resistance is provided. A mixture of polyurethane-type thermoplastic elastomer and a metal compound (other than titanate oxide), for instance, zinc oxide or magnesium oxide, is used as a cover material of the golf ball. More preferably, the metal compound is mixed at 5 to 15 parts by weight for 100 parts by weight of polyurethane-type thermoplastic elastomer, and the Shore D hardness of the cover material of the golf ball is in the range of 30 to 60.

What is claimed is:  
     
         1 . A golf ball comprising a core and a cover, wherein a material of the cover is obtained by mixing polyurethane-type thermoplastic elastomer with a metal compound (other than titanate oxide).  
     
     
         2 . The golf ball according to  claim 1 , wherein said metal compound is an oxide or a hydroxide of a metal selected from the group consisting of zinc, sodium, magnesium, lithium, neodymium, copper, calcium, aluminum, iron, and barium.  
     
     
         3 . The golf ball according to  claim 2 , wherein said metal compound is zinc oxide.  
     
     
         4 . A golf ball comprising a cove and a cover, wherein a material of the cover is obtained by mixing polyurethane-type thermoplastic elastomer at 100 parts by weight with a metal compound (other than titanate oxide) at 5 to 15 parts by weight.  
     
     
         5 . The golf ball according to  claim 4 , wherein a hardness of the cover covering a core is 30 to 60 in Shore D hardness.