NDLI: Controlled grafting of poly(styrene-ran-n-butyl methacrylate) to isotactic polypropylene with nitroxidemediated polymerization

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Controlled grafting of poly(styrene-ran-n-butyl methacrylate) to isotactic polypropylene with nitroxidemediated polymerization

Content Provider	Scilit
Author	Sugino, Yusuke Yamamoto, Katsuhiro Miwa, Youhei Sakaguchi, Masato Shimada, Shigetaka
Copyright Year	2003
Abstract	A nitroxide (2,2,6,6-tetramethylpiperidin-1-oxyl, TEMPO) mediated polymerization method was applied to the graft polymerization of styrene (ST)/ n-butyl methacrylate (BMA) to isotactic polypropylene (PP). PP peroxides produced by γ-irradiation in air were used as macroinitiator for grafting. The molecular characteristics of grafted and free poly(ST-r-BMA) chains were analysed by gel permeation chromatography, NMR and IR measurements. The molecular weight of grafted poly(ST-r-BMA) cleaved from PP was slightly higher than that of free poly(ST-r-BMA) generated simultaneously in the reaction system. Polydispersities of these polymers were narrow, indicating that grafting proceeded in a living fashion. The incorporated amount of BMA into grafted poly(ST-r-BMA) was smaller than that of free poly(ST-r-BMA). It is considered that the local concentration of BMA around propagating ends of graft poly(ST-r-BMA) was lower than that around free poly(ST-r-BMA) because PP cannot be dissolved in BMA monomer but in ST monomer at the polymerization temperature.
Related Links	http://www.degruyter.com/dg/viewarticle.fullcontentlink:pdfeventlink/$002fj$002fepoly.2003.3.issue-1$002fepoly.2003.3.1.74$002fepoly.2003.3.1.74.pdf?t:ac=j$002fepoly.2003.3.issue-1$002fepoly.2003.3.1.74$002fepoly.2003.3.1.74.xml
Ending Page	81
Page Count	8
Starting Page	74
ISSN	21974586
e-ISSN	16187229
DOI	10.1515/epoly.2003.3.1.74
Journal	e-Polymers
Issue Number	1
Volume Number	3
Language	English
Publisher	Walter de Gruyter GmbH
Publisher Date	2003-12-01
Access Restriction	Open
Subject Keyword	E-polymers Polymer Science Methacrylate Polypropylene Styrene Monomer Butyl Isotactic Grafted Poly Journal: e-Polymers, Vol- 3
Content Type	Text
Resource Type	Article

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