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Quick Polymerization from Electrospun Macroinitiators for Making Thermoresponsive Nanofibers

Title data

Brandl, Christian ; Greiner, Andreas ; Agarwal, Seema:
Quick Polymerization from Electrospun Macroinitiators for Making Thermoresponsive Nanofibers.
In: Macromolecular Materials and Engineering. Vol. 296 (14 September 2011) Issue 9 . - pp. 858-864.
ISSN 1438-7492
DOI: https://doi.org/10.1002/mame.201100031

Official URL: Volltext

Project information

Project financing: Bundesministerium für Bildung und Forschung

Abstract in another language

Thermoresponsive nanofibers by very fast grafting of N,N-isopropylacrylamide (NIPAAm) from electrospun atom transfer radical polymerization (ATRP) macroinitiator are presented in this work. The heterogenous grafting of NIPAAm onto macroinitiator fibers could be done in few minutes, i.e., in less than 5 min. The procedure involved electrospinning of an ATRP macroinitiator and subsequent PNIPAAm grafting using "grafting from" technique. The ATRP Macroinitiator was based on a copolymer of methyl methacrylate (MMA) and 2-hydroxyethyl methacrylate (HEMA). The growth of the PNIPAAm layer on electrospun fibers was followed by IR-spectroscopy and SEM analysis. The temperature-dependent-phase transition was proven by contact angle measurements and could be shown on the same surface for many cycles.

Further data

Item Type: Article in a journal
Refereed: Yes
Keywords: films; nanofibers; poly(N,N-isopropylacrylamide); surface; thermoresponsive
Institutions of the University: Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Chair Macromolecular Chemistry II > Chair Macromolecular Chemistry II - Univ.-Prof. Dr. Andreas Greiner
Faculties
Faculties > Faculty of Biology, Chemistry and Earth Sciences
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Chair Macromolecular Chemistry II
Result of work at the UBT: No
DDC Subjects: 500 Science > 540 Chemistry
Date Deposited: 01 Apr 2015 06:12
Last Modified: 01 Apr 2015 06:12
URI: https://eref.uni-bayreuth.de/id/eprint/9532