Ink for golf ball

Details Ink for golf ball Ink for golf ball

2005-01-04

2005-01-04

Buttner, David J. (Department: 1712)

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...

C524S602000, C525S440030, C106S031370, C106S031470, C106S031690, C106S031770, C473S371000, C473S378000

Reexamination Certificate

active

06838513

ABSTRACT:
A golf ball1has a core2, a cover3, a mark layer4, and a finishing coat layer5. An ink used for the mark layer4includes an isocyanate curing agent that contains a diisocyanate trimer, a base material, and a colorant. Preferred curing agent contains an isophorone diisocyanate trimer. The ink includes a diisocyanate curing agent at equal to or greater than 1% by weight and equal to or less than 20% by weight, calculated on the basis of the solid content. The base material includes a polymer having a hydroxyl group as a principal component. The “NCO/OH” value, which is a ratio of isocyanate groups of the isocyanate curing agent and hydroxyl groups of the base material, is equal to or greater than 0.5 and equal to or less than 2.0. The mark layer4may be printed on a base coat layer, alternatively, may be printed on a crosslinked rubber. This ink has excellent adhesiveness to a base.

REFERENCES:
patent: 5160536 (1992-11-01), Harris et al.
patent: 5260358 (1993-11-01), Shimizu et al.
patent: 5391685 (1995-02-01), Hitomi et al.
patent: 5770325 (1998-06-01), Keller et al.
patent: 6018012 (2000-01-01), Crast et al.
patent: 06347728 (1994-12-01), None
patent: 07304836 (1995-11-01), None
patent: 2000-303012 (2000-10-01), None
Ashford's Dictionary of Industrial Chemicals 1995; p. 381.

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