申请人:SKC CO., LTD.
公开号:US11279673B2
公开(公告)日:2022-03-22
An embodiment relates to an aromatic polythiol compound for optical materials, and the aromatic polythiol compound according to the embodiment contains a phenyl group and a large number of sulfur atoms in its polythiol structure so that a polymerizable composition and an optical material obtained therefrom have excellent optical properties such as high refractive index and low specific gravity, as well as excellent mechanical properties such as low cure shrinkage; thus, they can be advantageously used for producing various plastic optical lenses such as eyeglass lenses and camera lenses.
一个实施例涉及一种用于光学材料的芳香族聚硫醇化合物,根据该实施例的芳香族聚硫醇化合物在其聚硫醇结构中含有一个苯基和大量的硫原子,从而使可聚合组合物和由此获得的光学材料具有优异的光学性能,如高折射率和低比重,以及优异的机械性能,如低固化收缩率;因此,它们可有利地用于生产各种塑料光学镜片,如眼镜片和相机镜片。