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Wyszukujesz frazę "47.57.Ng" wg kryterium: Temat


Wyświetlanie 1-2 z 2
Tytuł:
Determination and Comparison of Ideal and Practical Selectivity Coefficients of Membranes Containing Different Conductive Polymers
Autorzy:
Stolarczyk, A.
Turczyn, R.
Januszkiewicz-Kaleniak, A.
Domagała, W.
Imach, S.
Powiązania:
https://bibliotekanauki.pl/articles/1399402.pdf
Data publikacji:
2013-09
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
82.39.Wj
47.57.Ng
Opis:
In series of published works, usually, the ideal coefficients of selectivity is used as an indicator for separation performance of conducting polymer membranes. The main goal of the presented paper was to determine the relation between the ideal and practical selectivity coefficients of the investigated series of conductive polymer membranes, both layered and composite one, and assessed whether it is possible to rely only on the values of ideal selectivity coefficient for estimation of the membrane separation capacity. The results showed that high values of ideal membrane selectivity coefficients are necessary but not a sufficient indicator for evaluation of the real selectivity of membranes made from conducting polymers.
Źródło:
Acta Physica Polonica A; 2013, 124, 3; 563-566
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Evaluation of Rheological Behaviour upon Recycling of an Ethylene Vinyl Acetate Copolymer by Means of Twin-Screw Extrusion Process
Autorzy:
Fatih Ergin, M.
Aydin, I.
Powiązania:
https://bibliotekanauki.pl/articles/1032038.pdf
Data publikacji:
2017-03
Wydawca:
Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:
47.85.md
83.80.Sg
47.57.Ng
83.80.-k
81.20.Hy
Opis:
Recycling of many polymers has gained a spectacular importance mainly because of its environmental and economical benefits. Ethylene vinyl acetate is one of the thermoplastics used directly as a final product and indirectly as an additive within many other polymeric materials. There has been limited research work on recycling of polymers even though recycling in industry has shown a spectacular growth in the last decade. It is the aim of this study to investigate and to evaluate the rheological behaviour of an ethylene-vinyl acetate copolymer resin upon recycling. For this purpose, original ethylene vinyl acetate granules were processed five cycles by using a twin-screw extruder and their rheological analysis was performed by means of an AR-G2 rheometer (TA Instruments), with a parallel-plate geometry, under a steady state condition. It was found that the rheological measurements of copolymer ethylene vinyl acetate exhibited a shear thinning constitutive behavior, obeying Carreau-Yasuda rheological constitutive model. The changes in flow and oscillatory shear measurements under different processing conditions were also determined in detail and results are reported in the paper.
Źródło:
Acta Physica Polonica A; 2017, 131, 3; 542-544
0587-4246
1898-794X
Pojawia się w:
Acta Physica Polonica A
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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