Zobrazeno 1 - 10 of 76 pro vyhledávání: '"E. Krusteva"'
1
Effect of processing on rheological properties and structure development of EPOXY/MWCNT nanocomposites
Autor: E. Krusteva, Rumiana Kotsilkova, Evgeni Ivanov
Publikováno v: Journal of Nanoparticle Research. 13:3393-3403
Polymer nanocomposites of epoxy resin containing multiwall carbon nanotubes (external diameter ~30 ± 10 nm, approximate length 10–20 μm) are studied using a rheological approach to determine the stage of debundling of the nanofiller in the epoxy
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::19c27c69883161f6c9b21d0ee7fcdb3a
https://doi.org/10.1007/s11051-011-0259-5
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2
Effects of processing conditions on rheological, thermal, and electrical properties of multiwall carbon nanotube/epoxy resin composites
Autor: Polycarpos Pissis, Rumiana Kotsilkova, E. Krusteva, Marilena Pezzuto, Emmanuel Logakis, Evgeni Ivanov, Apostolos Kyritsis, Donatella Duraccio, Clara Silvestre
Publikováno v: Journal of Polymer Science Part B: Polymer Physics. 49:431-442
We report on the effect of processing conditions on rheology, thermal and electrical properties of nanocomposites containing 0.02–0.3 wt % multiwall carbon nanotubes in an epoxy resin. The influence of the sonication, the surface functionalization
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::aaf5ace69d7f6ad907c35bcc363a454b
https://doi.org/10.1002/polb.22199
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3
Water uptake and relaxation processes in mixed unlimited swelling hydrogels
Autor: St Titeva, Rumiana Kotsilkova, V Michailova, E Minkov, E. Krusteva
Publikováno v: International Journal of Pharmaceutics. 209:45-56
The rheological oscillatory test parameters have been observed for highly concentrated hydroxypropylmethyl cellulose (HPMC), carboxymethylcellulose-sodium (NaCMC) and mixed HPMC/NaCMC hydrogels obtained by swelling of matrix tablets in 0.1 mol cm −
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::79c4072a61821e23edf57677486e09fc
https://doi.org/10.1016/s0378-5173(00)00536-6
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4
Pseudoplasticity of filter cakes explains cross-flow microfiltration
Autor: T.A. Doneva, E. Krusteva, C.S. Vassilieff
Publikováno v: Colloids and Surfaces A: Physicochemical and Engineering Aspects. 149:499-506
The rheological behaviour of polydisperse bentonite and monodisperse latex aqueous suspensions has been established experimentally. Both exhibit a pronounced pseudoplasticity which diminishes with decreasing particulate concentration. The rheological
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d085db0ef051a8c31447340985b7c442
https://doi.org/10.1016/s0927-7757(98)00603-7
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5
Influence of aqueous medium on viscoelastic properties of carboxymethylcellulose sodium, hydroxypropyimethyl cellulose, and thermally pre-gelatinized starch gels
Autor: V. Michailova, Rumiana Kotsilkova, St Titeva, E Minkov, E. Krusteva
Publikováno v: Colloids and Surfaces A: Physicochemical and Engineering Aspects. 149:515-520
Neutral and semi-synthetic hydrophilic polymers are widely used in pharmaceutical technology to formulate controlled release drug delivery systems. The behaviour of the gel layer, formed around the hydrophilic matrices after water uptake, is of major
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e391c2ff81a30c8cec09eb88605046de
https://doi.org/10.1016/s0927-7757(98)00608-6
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6
Cross-flow microfiltration of latex suspensions: test of different models
Autor: T.A. Doneva, C.S. Vassilieff, E. Krusteva
Publikováno v: Colloids and Surfaces A: Physicochemical and Engineering Aspects. 138:245-254
Experimental results are reported from rheological measurements, and batch and cross-flow microfiltration of monodisperse latex (0.18 μm; Ackronal 290D, Akzo) suspensions with different concentrations. With hydrostatically driven flow at volume frac
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f91bc3399fde4c2f37cad971a1ebd98c
https://doi.org/10.1016/s0927-7757(96)03955-6
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8
Conductive composites based on metallocene isotactic poly(propylene): Preparation and properties
Autor: E. Krusteva, Georgi Kotzev, Strashimir Djoumaliisky, Rosario Benavente, Vassil Vulchev, Rumen K. Krastev
Publikováno v: Digital.CSIC. Repositorio Institucional del CSIC
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The research deals with the preparation and the further comprehensive characterization of metallocene polypropylene-based composite materials by incorporation of carbon black nanoparticles. Composites containing up to 10 wt% of carbon black were prep
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a18bcc28f0b583084d424f6f4fc1a0ad
http://hdl.handle.net/10261/53077
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9
Effects of Processing Conditions on Rheological, Thermal, and Electrical Properties of Multiwall Carbon Nanotube/Epoxy Resin Composites
Autor: E. Ivanov, R. Kotsilkova, E. Krusteva, E. Logakis, A. Kyritsis, P. Pissis, C. Silvestre, D. Duraccio, M. Pezzuto
Publikováno v: Journal of polymer science. Part B, Polymer physics (Online) 49 (2011): 431–442. doi:10.1002/polb.22199
info:cnr-pdr/source/autori:E. Ivanov, R. Kotsilkova, E. Krusteva, E. Logakis, A. Kyritsis, P. Pissis, C. Silvestre, D. Duraccio, M. Pezzuto/titolo:Effects of Processing Conditions on Rheological, Thermal, and Electrical Properties of Multiwall Carbon Nanotube%2FEpoxy Resin Composites/doi:10.1002%2Fpolb.22199/rivista:Journal of polymer science. Part B, Polymer physics (Online)/anno:2011/pagina_da:431/pagina_a:442/intervallo_pagine:431–442/volume:49
We report on the effect of processing conditions on rheology, thermal and electrical properties of nanocomposites containing 0.02-0.3 wt % multiwall carbon nanotubes in an epoxy resin. The influence of the sonication, the surface functionalization du
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=cnr_________::18530aaaf3d773f0c5423a429299cb5a
https://publications.cnr.it/doc/61579
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10
Isotactic polypropylene composites reinforced with multiwall carbon nanotubes, part 2: Thermaland mechanical properties related to the structure
Autor: Sossio Cimmino, E. Krusteva, Rumiana Kotsilkova, Donatella Duraccio, Clara Silvestre, Evgeni Ivanov
Publikováno v: Journal of applied polymer science
115 (2010): 3576–3585. doi:10.1002/app.30413
info:cnr-pdr/source/autori:R. Kotsilkova; E.Ivanov; E. Krusteva; C. Silvestre; S. Cimmino; D. Duraccio/titolo:Isotactic polypropylene composites reinforced with multiwall carbon nanotubes, part 2: Thermaland mechanical properties related to the structure/doi:10.1002%2Fapp.30413/rivista:Journal of applied polymer science (Print)/anno:2010/pagina_da:3576/pagina_a:3585/intervallo_pagine:3576–3585/volume:115
Polypropylene nanocomposites containing multiwall carbon nanotubes (MWCNT), from 0.1 to 3 wt %, are prepared by dilution of a polypropylene based masterbatch (20% MWCNT) with isotactic polypropylene (iPP) using extrusion processing. CNT are found to
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1c28b72e5015044515d63ee69aaaf3d5
http://www.cnr.it/prodotto/i/18171
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