Dual cured castable polyurethane system for use in golf balls

Details Dual cured castable polyurethane system for use in golf balls Dual cured castable polyurethane system for use in golf balls

2008-05-16

2011-10-18

Buttner, David (Department: 1765)

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

Synthetic resins

From reactant having at least one -n=c=x group as well as...

C528S059000, C528S061000, C528S064000, C528S065000, C528S068000, C528S075000, C525S131000, C473S378000

Reexamination Certificate

active

08039573

ABSTRACT:
Compositions for golf balls that include polyurethane linkages and that are crosslinked in the soft segments of the polymer backbone. In particular, the compositions of the invention, which are based on a polyurethane have improved crosslink density from the crosslinking between the soft, unsaturated segments of the polymer backbone. The curative blend includes at least one isocyanate-reactive component and a free radical initiator.

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