Rubber compositions for solid golf balls

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...

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Details

273218, 524908, 525193, 525236, A63B 3700, A63B 3706, C08K 320, C08L 900

Patent

active

046832572

ABSTRACT:
Solid golf balls are formed from a molding composition comprising (1) a polybutadiene blend of (A) a polybutadiene synthesized using a nickel and/or cobalt base catalyst and having a Mooney viscosity of 70 to 100 with (B) less than 50 parts by weight of a polybutadiene synthesized using a lanthanide rare earth element base catalyst and having a Mooney viscosity of 30 to 90 or (C) 20 to 80 parts by weight of a polybutadiene synthesized using a nickel and/or cobalt base catalyst and having a Mooney viscosity of 20 to 50, the polybutadienes containing at least 40% of cis-1,4 bond, (2) a crosslinking agent such as acrylic and methacrylic acid, (3) an inorganic filler, and (4) an organic peroxide.

REFERENCES:
patent: 4483537 (1984-11-01), Hanada et al.
patent: 4546980 (1985-10-01), Gendreau et al.
patent: 4561657 (1985-12-01), Tominaga et al.

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