Golf ball containing optical brightener blend

Details Golf ball containing optical brightener blend Golf ball containing optical brightener blend

1993-09-22

1995-04-25

Szekely, Peter A.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524 95, 524908, 273235R, 273DIG22, C08K 545, C08K 5353, A63B 3712

Patent

active

054099749

ABSTRACT:
A golf ball with a visible outer layer containing a blend of about 0.01 -0.05 parts by weight of a thiophene-type optical brightener and about 0.008-0.025 parts by weight of a second optical brightener selected from the group consisting of 2,2'-(1,2-ethenediyldi-4,1-phenylene)bisbenzoxazole and derivatives thereof, the parts by weight of optical brightener being based upon 100 parts by weight of the polymeric material. The blend provides for a degree of whiteness comparable to that of 0.1 parts by weight of a thiophene-type optical brightener used alone, and provides for better solubility than results from the use of higher concentrations of 2,2'-(1,2-ethenediyldi-4,1-phenylene)bisbenzoxazole alone.

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Abstract of U.S. Patent No. 3,918,719--"Method of Playing Golf Under Conditions of Insufficient Light", Welch Medard, Nov. 11, 1975.
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Brochure--"Polymer Additives and Specialty Monomers, Eastobrite OB-1 Optical Brightener," Eastman Chemical Co.
Brochure--"Fluorescent Whitening Agent for Plastics and Coatings Uvitex OB," Ciba-Geigy Corp. 1990.

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