Patent attributes
This invention is directed to A composition for forming a golf ball, the composition comprising polyurethane gel composite particles and at least one base material selected from the group consisting of synthetic resins and elastomers, the polyurethane gel composite particles consisting of colloidal polyurea particles precipitated from a non-aqueous solvent solution of colloidal polyurea and polyurethane gel particles covered with the polyurea particles, the polyurethane gel particles being three-dimensionally crosslinked and each of the polyurethane gel particles being formed of a polyisocyanate compound and a polyethylene oxide group-free, active-hydrogen-containing compound, at least one of the compounds being trifunctional or higher valency, and is also directed to a multi-piece golf ball having one or more layers formed of this composition.