RUBBER COMPOSITION AND GOLF BALL INCLUDING THE SAME AS RUBBER BASE MATERIAL

摘要

A RUBBER COMPOSITION COMPRISES A RUBBER COMPONENT. THE RUBBER COMPONENT CONTAINS (A) 1-70 WEIGHT PARRT OF POLYBUTADIENE RUBBER HAVING A MOONEY VISCOSITY (ML) OF 35-50 AND COMPOSED OF (A) L- 9 WEIGHT % OF A BOILED N-HEXANE INSOLUBLE FRACTION HAVING MELTING POINT OF 180 OC OR HIGHER AND (B) 99-91 WEIGHT % OF BOILED N-HEXANE SOLUBLE FRACTION. THE RUBBER COMPONENT ALSO CONTAINS (E) 99-30 WEIGHT PARTS OF DIENE-BASED RUBBER OTHER THAN (A) .A CROSSLINKING COAGENT (C) IS MIXED IN THE RUBBER COMPONENT.