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Journal of Polymer Research
Erschienen in: Journal of Polymer Research 6/2011

01.11.2011 | Original Paper

Improvements of polypropylene grafted maleic anhydride with ultrasonication, pre-irradiation and co-irradiation methods

verfasst von: Jun Qian, Zhijuan Huang, Shuaiying Dang, Yongshen Xu

Erschienen in: Journal of Polymer Research | Ausgabe 6/2011

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Abstract

This paper presented many improvements of polypropylene (PP) grafted maleic anhydride (MAH), including how to increase graft degree (G) and graft efficiency (G E ) of MAH onto PP and how to reduce side reactions during grafting. Three grafting methods ultrasonication, pre-irradiation and co-irradiation were employed, and a lot of additives were adopted in our research, such as styrene (St), ethyl benzoate, dibutyl phthalate (DBP), 2,2′-bipyridine, divinylbenzene (DVB), benzoyl peroxide (BPO) and p-hydroquinone. The effects of the different grafting methods and additives were determined by G and G E values, viscosity, FTIR and DSC. Experimental results showed that the highest G value was obtained in co-irradiation method in the presence of St, and side reactions could be also reduced. The best reflux time for G value measuring, the storage time on G and batch feeding times of MAH on G in pre-irradiation method, and the mechanism of PP grafted MAH were all studied.
Vorheriger Artikel An exhaustive study of chain-length-dependent and diffusion-controlled free radical and atom-transfer radical polymerization of styrene
Nächster Artikel Impact of branching on the UV degradation of metallocene LLDPE

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Metadaten
Titel
Improvements of polypropylene grafted maleic anhydride with ultrasonication, pre-irradiation and co-irradiation methods
verfasst von
Jun Qian
Zhijuan Huang
Shuaiying Dang
Yongshen Xu
Publikationsdatum
01.11.2011
Verlag
Springer Netherlands
Erschienen in
Journal of Polymer Research / Ausgabe 6/2011
Print ISSN: 1022-9760
Elektronische ISSN: 1572-8935
DOI
https://doi.org/10.1007/s10965-010-9560-8

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