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Swelling and mechanical properties of polymer gels with cross-linking gradient

Title data

Fernandes, Paulo A. L. ; Schmidt, Stephan ; Zeiser, Michael ; Fery, Andreas ; Hellweg, Thomas:
Swelling and mechanical properties of polymer gels with cross-linking gradient.
In: Soft Matter. Vol. 6 (2010) Issue 15 . - pp. 3455-3458.
ISSN 1744-6848
DOI: https://doi.org/10.1039/c0sm00275e

Official URL: Volltext

Abstract in another language

We report a novel approach to model the temperature dependence of the volume and elastic modulus of polymer gels with a cross-linking gradient based on the well-known Flory-Rehner (FR) theory. The proposed model consists of dividing the inhomogeneous polymer gel into an arbitrary number of independent and homogeneous layers that are treated independently by the FR approach. Experimental measurements of volume and elastic modulus with atomic force microscopy (AFM) on PNIPAM microgels, unexplained by the classical FR model, are in good agreement with the proposed model.

Further data

Item Type: Article in a journal
Refereed: Yes
Institutions of the University: 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 > Former Professors > Chair Physical Chemistry II - Univ.-Prof. Dr. Andreas Fery
Faculties
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Chair Physical Chemistry II
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Former Professors
Result of work at the UBT: Yes
DDC Subjects: 500 Science > 500 Natural sciences
500 Science > 530 Physics
500 Science > 540 Chemistry
Date Deposited: 08 Dec 2014 10:54
Last Modified: 09 Dec 2014 15:47
URI: https://eref.uni-bayreuth.de/id/eprint/3985