Polyurethane-based and polyurea-based compositions including modified amine curing agents for use in golf ball layers where modified amine curing agent of the invention allows control of the reaction rate by providing a composition with both primary and secondary amine linkages....http://www.google.se/patents/US7772354?utm_source=gb-gplus-sharePatent US7772354 - Golf ball layer compositions comprising modified amine curing agents
