Citation: Qian Yang, Jing Tian, Zhi-kang Xu. PHOTO-INDUCED GRAFT POLYMERIZATION OF ACRYLAMIDE ON POLYPROPYLENE MEMBRANE SURFACE IN THE PRESENCE OF DIBENZYL TRITHIOCARBONATE[J]. Chinese Journal of Polymer Science, ;2007, 25(2): 221-226. shu

PHOTO-INDUCED GRAFT POLYMERIZATION OF ACRYLAMIDE ON POLYPROPYLENE MEMBRANE SURFACE IN THE PRESENCE OF DIBENZYL TRITHIOCARBONATE

Received Date: 22 June 2006
Revised Date: 25 August 2006

Ultraviolet (UV)-induced graft polymerization of acrylamide (AAm) on polypropylene substrates was successfully conducted using dibenzyl trithiocarbonate (DBTTC) as photoinitiator. It was confirmed by chemical analysis and surface morphology observation with attenuated total reflectance Fourier transform infrared spectroscopy, X-ray photoelectron spectroscopy, and scanning electron microscopy. A possible mechanism for this graft process was presented, which suggested that, under UV irradiation, the C＝S bond in DBTTC could split and abstract a hydrogen from the polypropylene surface and a surface free radical was then formed, and initiated the graft polymerization of AAm.
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