Patent ID: 11865419
Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.
Field: Macromolecular chemistry, polymers (Chemistry)
Classification: CPC A  C | IPC A  C

Claim 9:
10. A golf club comprising a shaft, a head provided on one end of the shaft, and a grip provided on another end of the shaft, wherein the grip is a golf club grip comprising an outermost surface layer,
wherein at least a part of the outermost surface layer is formed from a rubber composition containing (A) a base rubber and (B) a tackifier having a softening point in a range of from 5° C. to 120° C.,
(A) the base rubber contains at least one member selected from the group consisting of a natural rubber, an isoprene rubber, an ethylene-propylene-diene rubber and a butyl rubber, and
a portion formed from the rubber composition has a loss tangent (tanδ) (30° C., 10 Hz) and a complex elastic modulus (E*) (30° C., 10 Hz) satisfying a relationship of 0.070≤tanδ/(E*) 0.2≤0.098 and wherein the loss tangent is in a range from 0.086 to 0.14.