Rubber composition for hollow core of pressureless tennis ball

Details Rubber composition for hollow core of pressureless tennis ball Rubber composition for hollow core of pressureless tennis ball

1991-04-24

1993-07-06

Teskin, Fred

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

273 61C, 273 61R, 524908, 525232, 525236, 525237, 5263404, A63B 3906, C08L 700, C08L 900

Patent

active

052252582

ABSTRACT:
A rubber composition suitable for producing hollow cores of pressureless tennis balls and superior in rebound properties and feeling of striking balls by racket, which contains, as a rubber component, 30 to 100% by weight of a polybutadiene rubber having a content of cis-1,4 bond of at least 97% by weight and a Z-average molecular weight of 5.times.10.sup.6 to 2.times.10.sup.7 and 70 to 0% by weight of other diene rubbers.

REFERENCES:
patent: 4533711 (1985-08-01), Takeuchi et al.
patent: 4580781 (1986-04-01), Horiuchi et al.
Seymour et al, Polymer Chemistry, Marcel Dekker, Inc., N.Y. 95, 97 (1988).
Database WPIL, ascession No. 86-240892, Derwent Publications, Ltd., London, GB & JP-A-61 168 377 (Sumitomo Rubber) Jul. 30, 1986.

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