申请人:SHOWA DENKO KABUSHIKI KAISHA
公开号:EP0243501A1
公开(公告)日:1987-11-04
A curable composition comprising a compound having at least an unsaturated cycloacetal group represented by formula (I) (unsaturated dioxanetype) or formula (II) (unsaturated dioxolane type), a compound having at least two SH groups per molecule, and a compound having at least two reactive unsaturated bonds and being selected from the group consisting of bisphenols, triazine ring-containing compounds, and isocyanuric acid derivatives, and a method for injection molding of the composition are disclosed. The curable composition undergoes polymerization by crosslinking reaction caused by irradiation with high energy rays, and the resulting molding having formed thereon an aluminum oxide layer can be used as an optical disc base having high optical reliability, and excellent mechanical strength, water resistance, heat resistance and hardness.
本发明公开了一种可固化组合物,该组合物由至少具有一个不饱和环缩醛基团的化合物(由式(I)(不饱和二氧杂环)或式(II)(不饱和二氧戊环型)表示)、每个分子至少具有两个 SH 基团的化合物和至少具有两个反应性不饱和键且选自双酚、含三嗪环的化合物和异氰尿酸衍生物组成的组的化合物以及该组合物的注塑成型方法组成。该固化组合物通过高能射线照射引起的交联反应而发生聚合反应,由此产生的模塑物上形成了氧化铝层,可用作光盘底座,具有较高的光学可靠性和出色的机械强度、耐水性、耐热性和硬度。