US 12,420,147 B2
Multi-layer golf balls with improved interlayer adhesion
Michael Michalewich, Norton, MA (US); and Shawn Ricci, New Bedford, MA (US)
Assigned to Acushnet Company, Fairhaven, MA (US)
Filed by Acushnet Company, Fairhaven, MA (US)
Filed on Feb. 10, 2023, as Appl. No. 18/108,260.
Prior Publication US 2024/0278075 A1, Aug. 22, 2024
Int. Cl. A63B 37/06 (2006.01); A63B 37/00 (2006.01)
CPC A63B 37/0024 (2013.01) [A63B 37/0039 (2013.01); A63B 37/005 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A golf ball, comprising:
a core;
a casing layer disposed on the core, the casing layer formed from a casing composition comprising carboxyl groups; and
a cover disposed on the casing layer, the cover formed from a cover composition comprising a whitening agent comprising hydroxy-containing components and an adhesion promoter, wherein the adhesion promoter is bonded to the whitening agent and one or more carboxyl groups in the casing composition,
wherein the cover and casing layer are crosslinked by one or more of the following linkage:

OG Complex Work Unit Chemistry
wherein R1 is a first carbon chain in the casing layer and R2 is a second carbon chain in the cover.