About: Photodegradation of Polypropylene with sorbitol-based nucleating agent

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The paper deals with the effects of nucleation on photodegradation of isotactic polypropylene. The starting polymer was modified by a specific α-nucleating/clarifying agent Millad 3988 based on 1,3;2,4-bis(3,4- dimethylbenzylidene) sorbitol. Several concentrations were applied. Samples prepared by compression moulding were then exposed to UV-irradiation. Infrared spectroscopy showed that the degradation kinetics is similar for all the samples. Melting and crystallization behaviour of irradiated samples was followed using a differential scanning calorimetry. In all cases UV-irradiation led to decrease of melting/crystallization temperature as a result of polymer degradation. The surface cracking was observed using polarized light microscopy. The network of the surface cracking was significantly different for neat and nucleated samples. The paper deals with the effects of nucleation on photodegradation of isotactic polypropylene. The starting polymer was modified by a specific α-nucleating/clarifying agent Millad 3988 based on 1,3;2,4-bis(3,4- dimethylbenzylidene) sorbitol. Several concentrations were applied. Samples prepared by compression moulding were then exposed to UV-irradiation. Infrared spectroscopy showed that the degradation kinetics is similar for all the samples. Melting and crystallization behaviour of irradiated samples was followed using a differential scanning calorimetry. In all cases UV-irradiation led to decrease of melting/crystallization temperature as a result of polymer degradation. The surface cracking was observed using polarized light microscopy. The network of the surface cracking was significantly different for neat and nucleated samples. (en)
Title	Photodegradation of Polypropylene with sorbitol-based nucleating agent Photodegradation of Polypropylene with sorbitol-based nucleating agent (en)
skos:prefLabel	Photodegradation of Polypropylene with sorbitol-based nucleating agent Photodegradation of Polypropylene with sorbitol-based nucleating agent (en)
skos:notation	RIV/70883521:28110/10:63509304!RIV11-MSM-28110___
http://linked.open...avai/riv/aktivita	I Z
http://linked.open...avai/riv/aktivity	I, Z(MSM7088352101)
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Navrátilová, Jana Čermák, Roman
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Univerzita Tomáše Bati ve Zlíně / Fakulta technologická
http://linked.open...dnocenehoVysledku	278818
http://linked.open...ai/riv/idVysledku	RIV/70883521:28110/10:63509304
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	polypropylene; nucleating agent; sorbitol; photodegradation; polymorphis (en)
http://linked.open.../riv/klicoveSlovo	photodegradation polypropylene sorbitol nucleating agent polymorphis
http://linked.open...ontrolniKodProRIV	[2F0718D3C7BE]
http://linked.open...v/mistoKonaniAkce	Corfu
http://linked.open...i/riv/nazevZdroje	Latest Trends on Engineering Mechanics, Structures, Engineering Geology
http://linked.open...in/vavai/riv/obor	CD
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...UplatneniVysledku	2010
http://linked.open...iv/tvurceVysledku	Navrátilová, Jana Čermák, Roman Vašek, Leoš
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open.../riv/zahajeniAkce	2010-01-01 (xsd:date)
http://linked.open...n/vavai/riv/zamer	Multifunctional Composite Systems Based on Natural and Synthetic Polymers
number of pages	5 (xsd:int)
http://purl.org/ne...btex#hasPublisher	WSEAS Press
https://schema.org/isbn	978-960-474-203-5
http://localhost/t...ganizacniJednotka	28110

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