The photoinitiator contains biphenyl substituted aromatic ketone compound with hetero atoms or a composite with the compound.
本发明的光引发剂包含联苯基取代的含杂原子芳香酮类化合物，或含有这些化合物的组合物。
2
PCB (polychlorinated biphenyl) : Any of a class of highly stable organic compounds prepared by the reaction of chlorine with biphenyl, a two-ring compound.