Callaway Golf Company

Microsoft Corporation

Humayun Khan

David M Bartels

Steven S Ogg

Pijush K Dewanjee

Rajneesh Mahajan

Srivatsa K Srinivasan

Gursharan Sidhu

Kerry Woolsey

Mansoor Jafry

Ray Froelich

Guo-Wei Sheih

Subhashri Iyer

Eugen Pajor

Val J Cupples

John D Bruner

Krishnan Ananthanarayanan

Mahendra Sekaran

Ganapathy Raman

Eric Hamilton

Anish Desai

Senthil K Velayutham

Jeffrey Kay

A curative blend for a thermosetting polyurethane material that allows for a polyurethane material with greater durability is disclosed herein. The curative blend is composed of 4,4'-methylenebis-(2,6-diethyl)-aniline and a second curing agent selected from the group consisting of N,N&#x2032;-bis-alkyl-p-phenylenediamine, N,N&#x2032;-dialkylamino-diphenylmethane with tetrapropoxylated ethylenediamine and an aliphatic diamine. A preferred polyurethane prepolymer is polytetramethylene ether glycol terminated toluene diisocyanate prepolymer. The thermosetting polyurethane is preferably utilized as a cover for a golf ball. The cover is preferably formed over a core and boundary layer.

Thermosetting polyurethane material for a golf ball cover

Growing community of inventors

Oceanside, CA, United States of America

Humayun Khan