Novel aromatic sulfonium compounds of general formula (I), photoacid generators comprising the same, and photopolymerizable compositions containing the same, capable of providing stereolithographic resin compositions which do not suffer from the hindrance to curing by oxygen, can easily give shaped articles having desired sizes by virtue of the high accuracy thereof in curing, and can attain a satisfactory curing depth owing to the high sensitivity thereof for radiant energy; and a stereolithographic process.
通式(I)的新型芳香族锍化合物、包含这种化合物的光酸发生器和包含这种化合物的可光聚合组合物,能够提供不受
氧气固化阻碍的立体平版印刷
树脂组合物,由于其固化精度高,可以很容易地得到具有所需尺寸的成型物品,并且由于其对辐射能的高灵敏度,可以达到令人满意的固化深度;以及一种立体平版印刷工艺。