About: Effect of chitosan on the behaviour of the wheat B-starch nanocomposite

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The combination of a tiny amount of chitosan and montmorillonite represents a promising method to improve the mechanical and barrier properties of thermoplastic starch. These improvements have been demonstrated in the thermoplastic starch derived from wheat B-starch, which is a low-quality byproduct in the starch industry. The combination of 0.6% CS and 3% clay leads to a film that has a tensile strength value of 34 MPa, which indicates synergistic effects of the CS/clay combination. These effects were also reflected in the reduced permeability for oxygen and enhanced thermal stability. However, the hydrophilicity of both added components resulted in increased water vapour absorption. Because the TEM observations and XRD patterns indicate a quite similar degree of clay exfoliation of all the investigated nanocomposites, the effect of CS primarily consists of modifying the matrix and improving the interfacial properties due to the strong potential of the amino groups in the CS for polar interaction/ionic exchange with the nanosilicate. The combination of a tiny amount of chitosan and montmorillonite represents a promising method to improve the mechanical and barrier properties of thermoplastic starch. These improvements have been demonstrated in the thermoplastic starch derived from wheat B-starch, which is a low-quality byproduct in the starch industry. The combination of 0.6% CS and 3% clay leads to a film that has a tensile strength value of 34 MPa, which indicates synergistic effects of the CS/clay combination. These effects were also reflected in the reduced permeability for oxygen and enhanced thermal stability. However, the hydrophilicity of both added components resulted in increased water vapour absorption. Because the TEM observations and XRD patterns indicate a quite similar degree of clay exfoliation of all the investigated nanocomposites, the effect of CS primarily consists of modifying the matrix and improving the interfacial properties due to the strong potential of the amino groups in the CS for polar interaction/ionic exchange with the nanosilicate. (en)
Title	Effect of chitosan on the behaviour of the wheat B-starch nanocomposite Effect of chitosan on the behaviour of the wheat B-starch nanocomposite (en)
skos:prefLabel	Effect of chitosan on the behaviour of the wheat B-starch nanocomposite Effect of chitosan on the behaviour of the wheat B-starch nanocomposite (en)
skos:notation	RIV/61389013:_____/13:00389684!RIV13-AV0-61389013
http://linked.open...avai/predkladatel	Ústav makromolekulární chemie AV ČR, v. v. i.
http://linked.open...avai/riv/aktivita	I P Z
http://linked.open...avai/riv/aktivity	I, P(IAA200500904), Z(AV0Z40500505)
http://linked.open...iv/cisloPeriodika	April
http://linked.open...vai/riv/dodaniDat	2013
http://linked.open...aciTvurceVysledku	Kotek, Jiří Kelnar, Ivan Brožová, Libuše Kaprálková, Ludmila Hromádková, Jiřina
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	71410
http://linked.open...ai/riv/idVysledku	RIV/61389013:_____/13:00389684
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	B-starch; chitosan; montmorillonite (en)
http://linked.open.../riv/klicoveSlovo	B-starch montmorillonite chitosan
http://linked.open...odStatuVydavatele	NL - Nizozemsko
http://linked.open...ontrolniKodProRIV	[A67EAEDCE4A6]
http://linked.open...i/riv/nazevZdroje	Industrial Crops and Products
http://linked.open...in/vavai/riv/obor	JI
http://linked.open...ichTvurcuVysledku	5 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...vavai/riv/projekt	Optimizing structure and properties of multiphase thermosets using self-assembled nanofiller-based inclusions
http://linked.open...UplatneniVysledku	2013
http://linked.open...v/svazekPeriodika	46
http://linked.open...iv/tvurceVysledku	Brožová, Libuše Kotek, Jiří Kelnar, Ivan Kaprálková, Ludmila Hromádková, Jiřina
http://linked.open...ain/vavai/riv/wos	000317804800023
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	0926-6690
number of pages	5 (xsd:int)
http://bibframe.org/vocab/doi	10.1016/j.indcrop.2013.01.030

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