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芳香醚在光照下能引发丙烯腈聚合。醚的苯环上带正性取代基时,引发活性大。带负性取代基时,引发活性小。从激发态的电荷转移机制讨论了引发机理。
Aromatic ethers initiate polymerization of acrylonitrile under light irradiation. Ether with benzene ring positive substituents, the priming activity. With negative substituents, the priming activity is small. The initiation mechanism is discussed from the charge transfer mechanism in the excited state.