申请人:MITSUBISHI GAS CHEMICAL COMPANY, INC.
公开号:EP0874016A2
公开(公告)日:1998-10-28
A resinous composition is herein disclosed which comprises a compound having, in one molecule, one or more of structures represented by the formula (1)
wherein R1 is a hydrocarbon having 1 to 10 carbon atoms; R2, R3 and R4 are each hydrogen or a hydrocarbon group having 1 to 10 carbon atoms; and X is S or O, and an existing ratio of S is 50% or more on the average with respect to the total of S and O constituting a three-membered ring,
and another compound having one or more SH groups in one molecule.
According to the present invention, a novel sulfur-containing compound having an episulfide structure can be polymerized to obtain a resin for an optical material whose oxidation resistance is improved.
本发明公开了一种树脂组合物,该树脂组合物包含一种化合物,该化合物在一个 分子中具有一个或多个由式(1)表示的结构
其中 R1 是具有 1 至 10 个碳原子的碳氢化合物;R2、R3 和 R4 分别是氢或具有 1 至 10 个碳原子的碳氢化合物基团;X 是 S 或 O,且相对于构成三元环的 S 和 O 的总和,S 的现有比例平均为 50%或以上、
以及在一个分子中含有一个或多个 SH 基团的另一种化合物。
根据本发明,具有表硫化物结构的新型含硫化合物可以通过聚合得到一种抗氧化性得到改善的光学材料树脂。