PROCESS FOR PRODUCTION OF (POLY)THIOL COMPOUND FOR USE AS OPTICAL MATERIAL, AND POLYMERIZABLE COMPOSITION COMPRISING THE COMPOUND
申请人:Mitsui Chemicals, Inc.
公开号:EP2008998A1
公开(公告)日:2008-12-31
Disclosed is a process for producing a (poly)thiol compound fo an optical material. The process comprises reacting an organic (poly)halogen compound or a (poly)alcohol compound with thiourea to produce an isothiuronium salt and hydrolyzing the isothiuronium salt to thereby produce the (poly)thiol compound, wherein the thiourea has a calcium content of not more than 1.0 wt %.
本发明公开了一种用于生产光学材料的(多)硫醇化合物的工艺。该工艺包括将有机(多)卤素化合物或(多)醇化合物与硫脲反应生成异硫脲盐,并水解异硫脲盐从而生成(多)硫醇化合物,其中硫脲的钙含量不超过 1.0 wt %。