Journal Article FZJ-2019-00584

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A comparison of the network structure and inner dynamics of homogeneously and heterogeneously crosslinked PNIPAM microgels with high crosslinker content

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2019
Royal Soc. of Chemistry London

Soft matter 15(5), 1053-1064 () [10.1039/C8SM02141D]

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Abstract: Poly(N-isopropylacrylamide) microgel particles were prepared via a “classical” surfactant-free precipitation polymerization and a continuous monomer feeding approach. It is anticipated that this yields microgel particles with different internal structures, namely a dense core with a fluffy shell for the classical approach and a more even crosslink distribution in the case of the continuous monomer feeding approach. A thorough structural investigation of the resulting microgels with dynamic light scattering, atomic force microscopy and small angle neutron scattering was conducted and related to neutron spin echo spectroscopy data. In this way a link between structural and dynamic features of the internal polymer network was made.

Keyword(s): Polymers, Soft Nano Particles and Proteins (1st) ; Soft Condensed Matter (2nd)

Classification:

Contributing Institute(s):
  1. JCNS-FRM-II (JCNS-FRM-II)
  2. Heinz Maier-Leibnitz Zentrum (MLZ)
  3. Neutronenstreuung (Neutronenstreuung ; JCNS-1)
Research Program(s):
  1. 6215 - Soft Matter, Health and Life Sciences (POF3-621) (POF3-621)
  2. 6G15 - FRM II / MLZ (POF3-6G15) (POF3-6G15)
  3. 6G4 - Jülich Centre for Neutron Research (JCNS) (POF3-623) (POF3-623)
Experiment(s):
  1. KWS-2: Small angle scattering diffractometer (NL3ao)
  2. KWS-3: Very small angle scattering diffractometer with focusing mirror (NL3auS)
  3. SNS-NSE: Neutron Spin Echo Spectrometer

Appears in the scientific report 2019
Database coverage:
Medline ; Creative Commons Attribution-NonCommercial CC BY-NC 3.0 ; OpenAccess ; Allianz-Lizenz / DFG ; Clarivate Analytics Master Journal List ; Current Contents - Physical, Chemical and Earth Sciences ; IF < 5 ; JCR ; National-Konsortium ; NationallizenzNationallizenz ; SCOPUS ; Science Citation Index ; Science Citation Index Expanded ; Web of Science Core Collection
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Dokumenttypen > Aufsätze > Zeitschriftenaufsätze
Institutssammlungen > JCNS > JCNS-FRM-II
Institutssammlungen > JCNS > JCNS-1
Workflowsammlungen > Öffentliche Einträge
Publikationsdatenbank
Open Access

 Datensatz erzeugt am 2019-01-21, letzte Änderung am 2021-01-30


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