Sulfur-containing urethane-based resin composition, its resin, and
optical element and lens comprising resin
    2.
    发明授权
    Sulfur-containing urethane-based resin composition, its resin, and optical element and lens comprising resin 失效
    含硫氨基甲酸酯类树脂组合物,其树脂和包含树脂的光学元件和透镜

    公开(公告)号:US5736609A

    公开(公告)日:1998-04-07

    申请号:US663734

    申请日:1996-06-14

    摘要: The present invention discloses a sulfur-containing urethane-based resin composition of the present invention is directed to a sulfur-containing urethane-based resin composition which comprises a polythiol compound represented by formula (1): ##STR1## wherein X.sub.1, X.sub.2 and X.sub.3 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.

    摘要翻译: 本发明公开了本发明的含硫氨基甲酸酯类树脂组合物,其特征在于,含有由式(1)表示的多硫醇化合物的含硫氨基甲酸酯类树脂组合物:其中X1, X2和X3各自为氢原子或巯基; x,y和z各自为0〜8的整数; 并且在它们的组合中,式(1)具有至少两个巯基,多异(硫代)氰酸酯化合物和具有两个或更多个反应性不饱和基团的化合物,其量为30至70重量%,基于 所述组合物,或含有式(1)表示的多硫醇化合物,多异(硫代)氰酸酯化合物,具有10〜70重量%以上的反应性不饱和基团的化合物的含硫氨基甲酸酯类树脂组合物, 和基于总重量的光聚合催化剂。