The 2,3-di(2,3-epoxypropyl thioethylthio)propyl 2,3-ep ox ypropyl thioether(TGEBES) was synthesized from epichlorohydrin(ECH) and 2,3-dim ercaproethylthio-propanethiol(BES) which was synthesized from ECH, thiolethanol and thiourea.

• 利用间接法以巯基乙醇和环氧氯丙烷 (ECH)为原料通过 3步反应得到 2 ；3 二 (2 ；3 环氧丙硫乙硫基 )丙基·2 ；3 环氧丙基硫醚型环氧树脂 (TGEBES) ；其折射率和环氧值分别达 1.；5 85 0和 0