About: Mechanical properties and biodegradability of PCL/starch blends

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Native or pre-gelatinized wheat starches (A and B types) or acetylated derivatives of native starch with degree of substitution DS of 1.5 - 2.3 (10, 20, and 40 % m/m) were blended with poly-(epsilon-caprolactone) (PCL). Structure of the prepared films was analysed by FT-IR spectroscopy in comparing with the initial polymers. The following mechanical characteristics of the prepared films were derived from the stress-strain curves: Young modulus, yield stress, tensile strength, and strain at break. Water absorption of PCL/starch (60/40) films was determined according to ISO 62. The films containing native and pre-gelatinized starch degraded in compost totally during the 1-2 months. Acetylation of starch molecules in the blends reduced the degradation rate. Chemical changes in the compost used for film exposition were measured. Native or pre-gelatinized wheat starches (A and B types) or acetylated derivatives of native starch with degree of substitution DS of 1.5 - 2.3 (10, 20, and 40 % m/m) were blended with poly-(epsilon-caprolactone) (PCL). Structure of the prepared films was analysed by FT-IR spectroscopy in comparing with the initial polymers. The following mechanical characteristics of the prepared films were derived from the stress-strain curves: Young modulus, yield stress, tensile strength, and strain at break. Water absorption of PCL/starch (60/40) films was determined according to ISO 62. The films containing native and pre-gelatinized starch degraded in compost totally during the 1-2 months. Acetylation of starch molecules in the blends reduced the degradation rate. Chemical changes in the compost used for film exposition were measured. (en)
Title	Mechanical properties and biodegradability of PCL/starch blends Mechanical properties and biodegradability of PCL/starch blends (en)
skos:prefLabel	Mechanical properties and biodegradability of PCL/starch blends Mechanical properties and biodegradability of PCL/starch blends (en)
skos:notation	RIV/60461373:22330/11:43891432!RIV12-GA0-22330___
http://linked.open...avai/predkladatel	Fakulta potravinářské a biochemické technologie
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(GA525/09/0607)
http://linked.open...vai/riv/dodaniDat	2012
http://linked.open...aciTvurceVysledku	Šárka, Evžen Bubník, Zdeněk Synytsya, Andriy
http://linked.open.../riv/druhVysledku	C - Kapitola v knize
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Vysoká škola chemicko-technologická v Praze / Fakulta potravinářské a biochemické technologie
http://linked.open...dnocenehoVysledku	211227
http://linked.open...ai/riv/idVysledku	RIV/60461373:22330/11:43891432
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	PCL, B-starch, acetylated starch, composite plastics, FT-IR spectroscopy, image analysis, biodegradability (en)
http://linked.open.../riv/klicoveSlovo	B-starch PCL FT-IR spectroscopy image analysis acetylated starch biodegradability composite plastics
http://linked.open...ontrolniKodProRIV	[115B8DFD4616]
http://linked.open...i/riv/mistoVydani	Krakow, Polsko
http://linked.open...vEdiceCisloSvazku	Neuveden.
http://linked.open...i/riv/nazevZdroje	Starch. Recent Advances in Biopolymer Science and Technology.
http://linked.open...in/vavai/riv/obor	GM
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...v/pocetStranKnihy	195 (xsd:int)
http://linked.open...cetTvurcuVysledku	7 (xsd:int)
http://linked.open...vavai/riv/projekt	Biodegradable composites based on B-starch for agriculture applications
http://linked.open...UplatneniVysledku	2011
http://linked.open...iv/tvurceVysledku	Bubník, Zdeněk Kotek, Jiří Kruliš, Zdeněk Růžek, Lubomír Synytsya, Andriy Šárka, Evžen Růžková, Michaela
number of pages	13 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Polish Society of Food Technologists' Malopolska Branch
https://schema.org/isbn	978-83-932389-0-3
http://localhost/t...ganizacniJednotka	22330
is http://linked.open...avai/riv/vysledek of	Mechanical properties and biodegradability of PCL/starch blends Mechanical properties and biodegradability of PCL/starch blends

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