Casting epoxy resin, polythiol and releasing agent to form lens

摘要

PCT No. PCT/JP89/00454 Sec. 371 Date Dec. 11, 1989 Sec. 102(e) Date Dec. 11, 1989 PCT Filed May 1, 1989 PCT Pub. No. WO89/10575 PCT Pub. Date Nov. 2, 1989.The present invention relates to a polysulfide based resin lens, comprising a mixture of at least one epoxy resin having at least two epoxy groups, and at least one polythiol compound having at least two mercaptan groups, and at least one internal release agent, which is cast polymerized, and the process for preparing the same.