Citation: . PERFORMANCE AND INITIATION MECHANISM OF ISOPROPYLTHIOXANTHONE IN SURFACE PHOTOGRAFTING[J]. Chinese Journal of Polymer Science, ;2000, 18(5): 431-435. shu

PERFORMANCE AND INITIATION MECHANISM OF ISOPROPYLTHIOXANTHONE IN SURFACE PHOTOGRAFTING

Received Date: 16 November 1999

In a polymerization model with low density polyethylene (LDPE) as the substrate and acrylic acid (AA) as themonomer, the performance of isopropylthioxanthone (ITX) in initiating surface photografting polymerization was evaluated.The results show that the reactivity of photopolymerization and photografting of ITX locate between benzophenone (BP) andbenzildimethylketal (BDK) for polymerization, BDK> ITX> BP; for surface grafting polymerization, BP> ITX>BDK.These results can be explained by a reaction mechanism of the inter-molecular or intra-molecular hydrogen abstraction reaction of ITX.
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