Patent ID: 6987146

Claim:
A golf ball comprising: a core; and a cover layer comprising a curing agent and a polyurea prepolymer formed from a polyisocyanate and a monodisperse telechelic polyamine having a polydispersity of from about 1.0 to about 1.3, and having the formula: T-Z n -C—Y—C-Z n -T where Y is at least one molecule or mixtures of molecules having at least two independently polymerized vinyl groups; C is a hydrogenated or unsaturated block derived by anionic polymerization of at least one monomer selected from the group consisting of conjugated dienes, alkenyl-substituted aromatics, and mixtures thereof; Z n is a branched or straight chain hydrocarbon connecting group which contains n=1–50 carbon atoms; and T is primary or secondary amine.