公开(公告)号：AT502973T

公开(公告)日：2011-04-15

申请号：AT01272033

申请日：2001-12-20

Applicant: ESSILOR INT

Inventor： JALLOULI AREF BEN AHMED ,  OBORDO JOEY ,  TURSHANI YASSIN

IPC: C08G75/08 ,  G02B3/00 ,  C07D331/02 ,  C08G75/02 ,  C08G75/14 ,  G02B1/04

Abstract: A process for making a stabilized, liquid, diepisulfide based prepolymer having a viscosity at 25 C. ranging from 20 to 330000 centipoises which comprises polymerizing at room temperature a monomer composition comprising at least one diepisulfide monomer in the presence of at least one anionic polymerization initiator and at least one halogenated polymerization inhibitor and compositions made therefrom.