Sulfur-containing urethane-based resin composition, optical element and lens comprising this resin
申请人:MITSUI TOATSU CHEMICALS, Inc.
公开号:EP0751161A2
公开(公告)日:1997-01-02
The present invention discloses a sulfur-containing urethane-based resin composition
which comprises a polythiol compound represented by formula (1):
wherein X1, X2 and X3 each is a hydrogen atom or a mercapto group; x, y and z each is an integer of 0 to 8; and in their combinations, formula (1) has at least two mercapto groups,
a polyiso(thio)cyanate compound, and a compound having two or more reactive unsaturated groups in an amount of 30 to 70% by weight based on the total weight of the composition, or a sulfur-containing urethane-based resin composition which comprises the polythiol compound represented by formula (1), the polyiso(thio)cyanate compound, the compound having two or more reactive unsaturated groups in an amount of 10 to 70% by weight based on the total weight, and a photopolymerization catalyst.
本发明公开了一种含硫聚氨酯基树脂组合物,它包括由式(1)表示的聚硫醇化合物
它包括由式(1)表示的聚硫醇化合物:
其中X1、X2和X3各自为氢原子或巯基;x、y和z各自为0至8的整数;在它们的组合中,式(1)至少有两个巯基、
一种聚异(硫)氰酸酯化合物和一种具有两个或两个以上反应性不饱和基团的化合物,其用量为组合物总重量的 30% 至 70%;或一种含硫聚氨酯基树脂组合物,它包括式(1)表示的聚硫醇化合物、聚异(硫)氰酸酯化合物、具有两个或两个以上反应性不饱和基团的化合物(其用量为组合物总重量的 10% 至 70%)和一种光聚合催化剂。