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01-09-2012 | Original Paper

Thermo-sensitive polymers based on graft polysiloxanes

Authors: Anca Daniela Rusu Hodorog, Constanta Ibanescu, Maricel Danu, Bogdan C. Simionescu, Licinio Rocha, Nicolae Hurduc

Published in: Polymer Bulletin | Issue 5/2012

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Abstract

The synthesis of novel polymers obtained by grafting poly(dimethyl siloxane) with NIPAM, N,N′-dimethyl acrylamide (DMA) and copolymers of NIPAM with DMA and butyl acrylate using SET-LRP technique is presented. The polymers were characterized by ¹H NMR, fluorescence spectroscopy, and DSC. The thermo-sensitivity and the LCST as well as the aggregation phenomena during phase transition are evidenced by dynamic light scattering (DLS) and rheology coupled with small angle light scattering (SALS). Rheological and Rheo-SALS measurements proved to be useful tools to characterize the macroscopic behavior but also to evidence structural changes below and above the LCST for the analyzed systems. Good correlation was found between rheological, rheo-SALS and DLS data.

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Title: Thermo-sensitive polymers based on graft polysiloxanes
Authors: Anca Daniela Rusu Hodorog
Constanta Ibanescu
Maricel Danu
Bogdan C. Simionescu
Licinio Rocha
Nicolae Hurduc
Publication date: 01-09-2012
Publisher: Springer-Verlag
Published in: Polymer Bulletin / Issue 5/2012
Print ISSN: 0170-0839
Electronic ISSN: 1436-2449
DOI: https://doi.org/10.1007/s00289-012-0752-8

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