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

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
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 particle size 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. 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 particle size 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. (en)
Title	Fast temperature-responsive nanocomposite PNIPAM hydrogels with controlled pore wall thickness: force and rate of T-response Fast temperature-responsive nanocomposite PNIPAM hydrogels with controlled pore wall thickness: force and rate of T-response (en)
skos:prefLabel	Fast temperature-responsive nanocomposite PNIPAM hydrogels with controlled pore wall thickness: force and rate of T-response Fast temperature-responsive nanocomposite PNIPAM hydrogels with controlled pore wall thickness: force and rate of T-response (en)
skos:notation	RIV/61389013:_____/12:00382267!RIV13-AV0-61389013
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA106/09/1101), Z(AV0Z40500505)
http://linked.open...iv/cisloPeriodika	12
http://linked.open...vai/riv/dodaniDat	2013
http://linked.open...aciTvurceVysledku	Šlouf, Miroslav Strachota, Adam Hromádková, Jiřina Depa, Katarzyna
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Ústav makromolekulární chemie AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	136219
http://linked.open...ai/riv/idVysledku	RIV/61389013:_____/12:00382267
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	porous; nanocomposite; hydrogels (en)
http://linked.open.../riv/klicoveSlovo	hydrogels porous nanocomposite
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[9BABFBE9476F]
http://linked.open...i/riv/nazevZdroje	European Polymer Journal
http://linked.open...in/vavai/riv/obor	JI
http://linked.open...ichTvurcuVysledku	4 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	Development of new matrix types based on pyrolysed resins for composites reinforced with ceramic fibres
http://linked.open...UplatneniVysledku	2012
http://linked.open...v/svazekPeriodika	48
http://linked.open...iv/tvurceVysledku	Šlouf, Miroslav Strachota, Adam Hromádková, Jiřina Depa, Katarzyna
http://linked.open...ain/vavai/riv/wos	000311600400004
http://linked.open...n/vavai/riv/zamer	Progresivní makromolekulární materiály a supramolekulární systémy: syntéza a studium vlastností, jevů a možností využití pro speciální aplikace a moderní technologie
issn	0014-3057
number of pages	11 (xsd:int)
http://bibframe.org/vocab/doi	10.1016/j.eurpolymj.2012.09.007

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