Patent ID: 6926621
Filing Date: 2005-08-09
Classification: A63B,C08J

Abstract:
1. A method for increasing adhesion between golf ball layers comprising the steps of: providing a core; providing a first golf ball layer adjacent to the core, the golf ball layer comprising ionic copolymers of ethylene and an unsaturated monocarboxylic acid, vinyl resins, polyolefins, polyurethanes, polyureas, acrylic resins, polyphenylene oxide resins, or thermoplastic polyesters, and having a first surface; preparing the first surface for treatment; exposing the first layer to bis-(γ-trimethoxysilylpropyl) amine; providing a second golf ball layer; casting the second surface about the first surface; and adhering the second layer to the first via the bis-(γ-trimethoxysilylpropyl) amine; wherein the bis-(γ-trimethoxysilylpropyl) amine is in a solution and is present in an amount of less than about 10% by weight.