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Wyszukujesz frazę "Wróblewska, Z." wg kryterium: Autor


Wyświetlanie 1-3 z 3
Tytuł:
Preparation, properties and potential applications of a photocurable varnish with pleasant limonene smell
Autorzy:
Bednarczyk, P.
Wróblewska, A.
Czech, Z.
Malko, M.W.
Rozwadowski, Z.
Markowska-Szczupak, A.
Powiązania:
https://bibliotekanauki.pl/articles/778106.pdf
Data publikacji:
2016
Wydawca:
Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
Tematy:
varnishes with limonene
smelling varnishes
urethane acrylate
UV-curing coating
Opis:
Photocurable materials which are obtained on the basis of urethane acrylate resins are often used in the industry for the production varnishes or protective coatings. The main disadvantage which is connected with the utilization of these varnishes is their unpleasant smell during the process of production and curing. This work presents the photocurable varnish which was obtained on the basis of aliphatic urethane acrylate and R-(+)-limonene. The utilization of this raw materials allows to obtain the smelling coatings. The aim of this work were the studies on the influence of limonene molecules on the mechanical properties of the UV-cured coatings. These studies showed that the coatings with limonene molecules retain their properties, and are characterized by the very good adhesion, cohesion and high gloss. These kinds of varnishes can be applied for preparation of appropriate protective coatings on the surface of wood, metals, and nail plates. These protective coatings have not only pleasure smell but also can have the bactericidal and fungicidal properties. The studies performed with Escherichia coli ATCC29425 and Candida albicans confirmed these properties.
Źródło:
Polish Journal of Chemical Technology; 2016, 18, 2; 13-19
1509-8117
1899-4741
Pojawia się w:
Polish Journal of Chemical Technology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Fragrant films on the basis of potato starch
Autorzy:
Drewnowska, E.
Antosik, A. D.
Wróblewska, A.
Czech, Z.
Wilpiszewska, K.
Powiązania:
https://bibliotekanauki.pl/articles/778537.pdf
Data publikacji:
2017
Wydawca:
Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
Tematy:
fragrant starch-based films
biodegradability
starch
α-pinene
eugenol
Opis:
New fragrant and biodegradable starch-based films have been obtained. These films were prepared by the method of the outpour into the Teflon mould of the starch composition containing such fragrant compounds as: eugenol or α-pinene. For characterizing the final products the following properties were taken into account: the solubility in water, the absorbance of moisture from air and the length of release of the fragrant compound. The obtained starch-based films were characterized by the relatively long time of release the fragrant compound and also by the good absorbance of moisture from air. Taking into account the properties of the obtained films, they can find applications in production of appliances used in the bioactive cleaning of air. The prototype of such a product was presented in this work. The presented studies show the potential of applying these materials in the future, and thus these examinations should be developed.
Źródło:
Polish Journal of Chemical Technology; 2017, 19, 2; 88-92
1509-8117
1899-4741
Pojawia się w:
Polish Journal of Chemical Technology
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Montmorillonite as the catalyst in oxidation of limonene with hydrogen peroxide and in isomerization of limonene
Autorzy:
Malko, M.
Antosik, A. K.
Wróblewska, A.
Czech, Z.
Wilpiszewska, K.
Miądlicki, P.
Michalkiewicz, B.
Powiązania:
https://bibliotekanauki.pl/articles/779496.pdf
Data publikacji:
2017
Wydawca:
Zachodniopomorski Uniwersytet Technologiczny w Szczecinie. Wydawnictwo Uczelniane ZUT w Szczecinie
Tematy:
montmorillonite
R-(+)-limonene
oxidation
isomerization
hydrogen peroxide
heterogeneous catalysis
Opis:
In our studies montmorillonite (MMT) was used as the heterogeneous, natural catalyst. This material was previously prepared by bentonite purification with help of the sedimentation method. The obtained catalyst was characterized by: XRD, SEM, BET and EDX. Catalytic tests with montmorillonite as the catalyst were performed with the natural terpene – R-(+)-limonene. This compound was oxidized with hydrogen peroxide and, moreover, in the separate process it was also isomerized. As the main products of limonene oxidation were detected: (1,2-8,9)-diepoxide, perillyl alcohol, carvone, carveol, 1,2-epoxylimonene and 1,2-epoxylimonene diol. In the isomerization of R-(+)-limonene were formed: terpinenes, terpinolene and p-cymene. Conversions of limonene in these processes reached 70–80%. The application of montmorillonite (the natural of origin) in the studied processes (oxidation and isomerization) is environmentally friendly, it allows to reduce the cost of the studied processes. The resulting products of the processes of oxidation and isomerization of R-(+)-limonene have many applications.
Źródło:
Polish Journal of Chemical Technology; 2017, 19, 4; 50-58
1509-8117
1899-4741
Pojawia się w:
Polish Journal of Chemical Technology
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-3 z 3

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