The Association structure of tapered block copolymer in the simultaneous living anionic polymerization

Zhao, Y.; Miyamoto, Nobuyoshi*; Koizumi, Satoshi; Hashimoto, Takeji; Iida, You*; Kawakatsu, Toshihiro

The simultaneous living anionic polymerization of non-deuterated isoprene (I) and styrene (S) monomers, initiated by sec-butyllithium in deuterated benzene (B-d6) was investigated by a combination of time-resolved small-angle neutron scattering (SANS), gel permeation chromatography (GPC), nuclear magnetic resonance (NMR) and ultraviolet-visible (UV-Vis) spectroscopy. In this study, we aim to reveal the change of the association formed by living polymer chain ends during the polymerization process and find that the association number changes from 4 to 2.

Language	:	English
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Meeting title	:	第57回高分子学会年次大会
Held date	:	2008/05
Location (city)	:	横浜
Location (country)	:	日本
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Keywords	:	no keyword
Research Facility	:	JRR-3M(研究炉3)
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Registration No. : BB20080519
JAEA Abstracts No. :
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