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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 287-290Grafting of 4-Vinyl Pyridine onto Polyesters...

Grafting of 4-Vinyl Pyridine onto Polyesters Initiated by Potassium Diperiodatocuprate(III)

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Abstract:

In this article, the graft copolymerization of 4-vinyl pyridine onto poly (ethylene terephthalate)(PET) via the potassium diperiodacuprate(III)–PET redox system as an initiator was investigated in an alkaline medium. The graft copolymer was characterized with Fourier-transform infrared spectra analysis. A mechanism is proposed to explain the generation of radicals and the initiation. The effects of reaction variables, such as the initiator concentration, the ratio of monomer to PET, pH, and reaction temperature and time, are investigated, and the grafting conditions are optimized. Graft copolymers with high grafting efficiency are obtained, thus indicating that potassium diperiodacuprate(III)-PET redox system is an efficient initiator for this graft copolymerization. The quaternized PET-g-PVP (QPEVP) is proved to be an excellent adsorbent to heavy metal ions.

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Applications of Engineering Materials

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Periodical:

Advanced Materials Research (Volumes 287-290)

Pages:

58-64

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.287-290.58

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Online since:

July 2011

Authors:

Jian Ping Zhang, Yong Guang Zhao, Ying Zhao, Li Man Liang, Yan Jun Ren, Li Bin Bai

Keywords:

4-Vinyl Pyridine (4VP), Adsorbent, Graft Copolymerisation, Poly(ethylene terephthalate) (PET), Potassium Diperiodatocuprate(III) [DPC], Transfer Initiated

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© 2011 Trans Tech Publications Ltd. All Rights Reserved

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