publication . Preprint . 2016

Mesostructure anisotropy of bacterial cellulose-polyacrylamide hydrogels as studied by spin-echo small-angle neutron scattering

Velichko, E. V.; Buyanov, A. L.; Chetverikov, Yu. O.; Duif, C. P.; Bouwman, W. G.; Smyslov, R. Yu.;
Open Access English
  • Published: 29 Jul 2016
Abstract
The submicron- and micron-scale structures of composite hydrogels based on bacterial cellulose (BC) and polyacrylamide were studied by spin-echo small-angle neutron scattering (SESANS). These hydrogels were synthesized via free-radical polymerization of acrylamide carried out in pellicle of BC swollen in the reaction solution. No neutron scattering was observed for the samples swollen in heavy water to the equilibrium state, but a SESANS signal appeared when TbCl$_{3}$ salt was added to the solvent. The SESANS dependences obtained for these samples revealed the anisotropy of mesostructure for the hydrogels under investigation. Density inhomogeneities on the char...
Subjects
arxiv: Condensed Matter::Soft Condensed Matter
free text keywords: Physics - Chemical Physics, Physics - Biological Physics
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