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Zeitschrift für Physikalische Chemie

International journal of research in physical chemistry and chemical physics

Ed. by Rademann, Klaus

12 Issues per year


IMPACT FACTOR 2016: 1.012

CiteScore 2016: 0.99

SCImago Journal Rank (SJR) 2016: 0.463
Source Normalized Impact per Paper (SNIP) 2016: 0.470

Online
ISSN
2196-7156
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Volume 226, Issue 7-8 (Aug 2012)

Issues

Double Responsive Hydrogels based on Tertiary Amine Methacrylate Star Block Copolymers

Alexander Schmalz / Holger Schmalz / Axel H. E. Müller
Published Online: 2012-07-25 | DOI: https://doi.org/10.1524/zpch.2012.0240

Abstract

Double hydrophilic stimuli-responsive star block copolymers with poly(2-(dimethylamino)ethyl methacrylate) (PDMA) inner blocks and poly(2-(diethylamino)ethyl methacrylate) (PDEA) outer blocks were synthesized using ATRP. Different multifunctional initiators based on sugar scaffolds were employed in a core-first approach with sequential polymerization of both blocks yielding stars with 4 and 6 arms, respectively, and varying length of the PDEA outer block. The star block copolymers show pH- and temperature-responsive aggregation as revealed by dynamic light scattering and turbidimetry. The impact of pH, PDEA block length and arm number on the gelation behavior was investigated by tube inversion and rheology.

Keywords: Hydrogel; Stars; Star-Block Copolymer; ATRP; Double Responsive

About the article

* Correspondence address: Universität Bayreuth, Macromolecular Chemistry II, 95440 Bayreuth, Deutschland,


Published Online: 2012-07-25

Published in Print: 2012-08-01


Citation Information: Zeitschrift für Physikalische Chemie, ISSN (Online) 2196-7156, ISSN (Print) 0942-9352, DOI: https://doi.org/10.1524/zpch.2012.0240.

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Christopher V. Synatschke, Felix A. Plamper, and Axel H. E. Müller
Nachrichten aus der Chemie, 2013, Volume 61, Number 10, Page 1008

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