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Akademický článek

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Thin Films of Poly(N-isopropylacrylamide) End-Capped with n-Butyltrithiocarbonate

Autor: Weijia Wang, K. Troll, Peter Müller-Buschbaum, Gunar Kaune, André Laschewsky, Christine M. Papadakis, Ezzeldin Metwalli, Stephan V. Roth, K. Skrabania, Matthias A. Ruderer

Publikováno v: Macromolecules. 41:3209-3218

Thin thermoresponsive hydrogel films of poly(N-isopropylacrylamide) end-capped with n-butyltrithiocarbonate (nbc-PNIPAM) are prepared on solid supports having silicon oxide surfaces with spin-coating. The film thickness is varied from 5 to 240 nm. As

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::89eeb41de1dab63fc5941f39764c7fa1
https://doi.org/10.1021/ma7027775

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Experiments on eddy current NDE with HTS rf SQUIDS

Autor: Michael Mück, Yi Zhang, C. Heiden, K. Troll, M. v. Kreutzbruck

Publikováno v: IEEE Transactions on Appiled Superconductivity. 7:3279-3282

HTS SQUIDs are promising sensors for applications in eddy current NDE. Due to their high field sensitivity at low frequencies, they are especially suitable for applications, where a large penetration depth is required. We have set up two SQUID system

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9142b31930d097c24612a0c687fb5aa4
https://doi.org/10.1109/77.622053

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Surface-induced breakout crystallization in cylinder-forming P(I-b-EO) diblock copolymer thin films

Autor: Ezzeldin Metwalli, K. Troll, Stephan Förster, Christine M. Papadakis, Z. Di, Charles Darko, Andreas Timmann, Günter Reiter

Publikováno v: Papadakis, C, Darko, C, Di, Z, Troll, K, Metwalli, E, Timmann, A & Förster, S 2011, ' Surface-induced breakout crystallisation in cylinder-forming P(I-b-EO) diblock copolymer thin films ', European Physical Journal E. Soft Matter, vol. 34, no. 7 . https://doi.org/10.1140/epje/i2011-11007-x

We have found very slow crystallization in thin films of cylinder-forming poly(isoprene- b -ethyleneoxide) (P(I- b -EO)) diblock copolymers with PEO being the minority block. The film was crystallized at room temperature after melting at 62 ° C . Im

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ea7bc594d9e0d23ff7f2b6d8464c7233
https://doi.org/10.1140/epje/i2011-11007-x

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The collapse transition of poly(styrene-b-(N-isopropyl acrylamide)) diblock copolymers in aqueous solution and in thin films

Autor: K. Troll, A. Kulkarni, W. Wang, C. Darko, A. M. Bivigou Koumba, A. Laschewsky, P. Müller-Buschbaum, C. M. Papadakis

The thermal behavior of a poly(styrene-b-N-isopropyl acrylamide) diblock copolymer was studied in aqueous solution as well as in thick and in thin films. The polymer was synthesized using reversible addition-fragmentation chain transfer. The critical

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::31fb94ea83940b6a6360597e9fd36dc4
https://publica.fraunhofer.de/handle/publica/217263