Fast temperature-responsive nanocomposite PNIPAM hydrogels with controlled pore wall thickness: force and rate of T-response

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61389013%3A_____%2F12%3A00382267" target="_blank" >RIV/61389013:_____/12:00382267 - isvavai.cz</a>

Result on the web

<a href="http://dx.doi.org/10.1016/j.eurpolymj.2012.09.007" target="_blank" >http://dx.doi.org/10.1016/j.eurpolymj.2012.09.007</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1016/j.eurpolymj.2012.09.007" target="_blank" >10.1016/j.eurpolymj.2012.09.007</a>

Result language

angličtina

Original language name

Fast temperature-responsive nanocomposite PNIPAM hydrogels with controlled pore wall thickness: force and rate of T-response

Original language description

Fast thermoresponsive porous hydrogels based on the PNIPAM?silica nanocomposite were prepared and optimized in order to obtain increased force (pressure) response to temperature stimuli. This was achieved by increasing pore wall thickness via changing the monomers concentration during the hydrogels? cryogenic synthesis. The mechanically strong and compact pore structure of the best gel made it possible to increase the force (pressure) response 3 times and the shear modulus 4 times, while the volume ratio of swollen to deswollen state remained unchanged, and the kinetics of the T-response was only moderately slower than in the case of the analogous ultra-fast responsive soft gels. The porous structure of the hydrogels (SEM), the dispersion and particlesize of the nanofiller in the pore walls (TEM), as well as the swelling behavior and time-resolved force response to T-change are discussed in this work.

Czech name

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Czech description

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Type

J_x - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

CEP classification

JI - Composite materials

OECD FORD branch

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Project

<a href="/en/project/GA106%2F09%2F1101" target="_blank" >GA106/09/1101: Development of new matrix types based on pyrolysed resins for composites reinforced with ceramic fibres</a><br>

Continuities

Z - Vyzkumny zamer (s odkazem do CEZ)

Publication year

2012

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Name of the periodical

European Polymer Journal

ISSN

0014-3057

e-ISSN

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Volume of the periodical

48

Issue of the periodical within the volume

12

Country of publishing house

GB - UNITED KINGDOM

Number of pages

11

Pages from-to

1997-2007

UT code for WoS article

000311600400004

EID of the result in the Scopus database

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