Golf ball cover composition

Details Golf ball cover composition Golf ball cover composition

1995-01-31

1998-02-03

Buttner, David

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525201, 525221, 473372, 473377, 473378, 473385, C08L 3302, C08L 2308, A63B 3712

Patent

active

057145466

ABSTRACT:
A golf ball cover is formed of a composition comprising (a) 70-95% by weight of a sodium or zinc salt of an ethylene-unsaturated carboxylic acid-unsaturated carboxylate terpolymer or a mixture thereof and (b) 30-5% by weight of a sodium or zinc salt of an ethylene-unsaturated carboxylic acid copolymer, an ethylene-unsaturated carboxylic acid-unsaturated carboxylate terpolymer or a mixture thereof, having an M.F.R. of at least 4, the composition curing into a product having a hardness of 55-80 on JIS C scale and a tensile stress at 10% distortion of 40-140 kg/cm.sup.2. The composition is easy to mold and allows for manufacture of a golf ball having improved spin properties and resistant to impact by iron and other clubs.

REFERENCES:
patent: 4801649 (1989-01-01), Statz
patent: 4884814 (1989-12-01), Sullivan
patent: 5120791 (1992-06-01), Sullivan
patent: 5397840 (1995-03-01), Sullivan et al.
Research Disclosure No. 27103--Ionomer Blends for Golf Ball Covers--DuPont--Nov. 1986.
Surlyn Product Guide--Du pont Oct. 1993.

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