About: Weathering of Microencapsulated Thermochromic Pigments

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Microencapsulated organic thermochromic pigments may have varied industrial applications, such as in windows and greenhouse roofs. Two black coloured commercial microencapsulated pigments from A and B brands are used in this work. The study is conducted with UVA irradiation, and simulation of atmospheric conditions (weathering tester QUV). After a few degradation cycles, the colour of the substrate becomes a yellowish hue, which suggests that chemical degradation of the components of the microcapsule has ccurred. It is concluded that the material of the microcapsules is melamine formaldehyde and two of the core components are probably crystal violet and benzotriazole, which are assumed to act as a UV absorber and promoter of proton transfer. A study is also implemented on the effect of adding DABCO to the suspensions of the pigments, which are then irradiated with UV light. A somewhat protecting effect is observed. Microencapsulated organic thermochromic pigments may have varied industrial applications, such as in windows and greenhouse roofs. Two black coloured commercial microencapsulated pigments from A and B brands are used in this work. The study is conducted with UVA irradiation, and simulation of atmospheric conditions (weathering tester QUV). After a few degradation cycles, the colour of the substrate becomes a yellowish hue, which suggests that chemical degradation of the components of the microcapsule has ccurred. It is concluded that the material of the microcapsules is melamine formaldehyde and two of the core components are probably crystal violet and benzotriazole, which are assumed to act as a UV absorber and promoter of proton transfer. A study is also implemented on the effect of adding DABCO to the suspensions of the pigments, which are then irradiated with UV light. A somewhat protecting effect is observed. (en)
Title	Weathering of Microencapsulated Thermochromic Pigments Weathering of Microencapsulated Thermochromic Pigments (en)
skos:prefLabel	Weathering of Microencapsulated Thermochromic Pigments Weathering of Microencapsulated Thermochromic Pigments (en)
skos:notation	RIV/00216275:25310/09:00008373!RIV10-MSM-25310___
http://linked.open...avai/riv/aktivita	Z
http://linked.open...avai/riv/aktivity	Z(MSM0021627501)
http://linked.open...iv/cisloPeriodika	1
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Hrdina, Radim
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	Univerzita Pardubice / Fakulta chemicko-technologická
http://linked.open...dnocenehoVysledku	351774
http://linked.open...ai/riv/idVysledku	RIV/00216275:25310/09:00008373
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Organic Thermochromic Pigments; Microcapsules; Photodegradation (en)
http://linked.open.../riv/klicoveSlovo	Photodegradation Microcapsules Organic Thermochromic Pigments
http://linked.open...odStatuVydavatele	CN - Čínská lidová republika
http://linked.open...ontrolniKodProRIV	[09BD8C7D6CB7]
http://linked.open...i/riv/nazevZdroje	Research Journal of Textile and Apparel
http://linked.open...in/vavai/riv/obor	CC
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...UplatneniVysledku	2009
http://linked.open...v/svazekPeriodika	13
http://linked.open...iv/tvurceVysledku	Hrdina, Radim Campos, Ana Lopes, Filipa Neves, Jorge
http://linked.open...n/vavai/riv/zamer	Aimed preparation of special compounds and materials and investigation of their physical and chemical properties and supramolecular structures
issn	1560-6074
number of pages	12 (xsd:int)
http://localhost/t...ganizacniJednotka	25310

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