US 11,865,410 B1
Golf ball with an acid-functional polyurethane hybrid
Vijay Chavan, Vista, CA (US)
Assigned to Topgolf Callaway Brands Corp., Carlsbad, CA (US)
Filed by Callaway Golf Company, Carlsbad, CA (US)
Filed on Jul. 20, 2021, as Appl. No. 17/380,980.
Claims priority of provisional application 63/055,505, filed on Jul. 23, 2020.
Int. Cl. A63B 37/06 (2006.01); A63B 37/00 (2006.01)
CPC A63B 37/0076 (2013.01) [A63B 37/0059 (2013.01); A63B 37/00621 (2020.08)] 9 Claims
OG exemplary drawing
 
1. A golf ball comprising:
a center core;
a mantle layer; and
a cover layer disposed over the mantle layer;
wherein at least one of the cover layer or the mantle layer comprises a maleic anhydride functional polymer and an acid functional polyurethane and ionomer hybrid material made by compounding or dry blending an acid functional polyurethane and an ionomer, wherein the acid functional polyurethane and ionomer hybrid material is formed by reacting an isocyanate functional polymer with molecules that have both hydroxyl and acid functionalities;
wherein the acid functional polyurethane and ionomer hybrid material is neutralized with titanium dioxide.