Zobrazeno 1 - 10
of 90
pro vyhledávání: '"E. Nedkov"'
Publikováno v:
Journal of Applied Polymer Science. 124:1643-1648
To study the effect of organophilic clay concentration on nonisothermal crystallization, poly(L-lactic acid) (PLLA)/montmorillonite (MMT) nanocomposites were prepared by mixing various amounts of commercial MMT (Cloisite® 30B) and PLLA. The effect o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f5e74d6e9f8b61358f29e8b8f339c033
https://doi.org/10.1002/app.35165
https://doi.org/10.1002/app.35165
Publikováno v:
Journal of Polymer Science Part B: Polymer Physics. 47:751-755
The poly(3-hydroxybutyrate-co-3-hydroxyvalerate) (PHBV)/montmorillonite (MMT) nanocomposites were investigated by wide-angle X-ray scattering (WAXS). The aim of the investigation was solution intercalation of MMT with PHBV. Beside the usual orthorhom
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2647bbbfa4cec1dc102f5e24e7e850ff
https://doi.org/10.1002/polb.21679
https://doi.org/10.1002/polb.21679
Autor:
E. Nedkov, M. Staneva
Publikováno v:
Express Polymer Letters. 3:138-144
A relation between surface free energy (σMHV) and Meyer's lines cut-values has been established using Vickers microhardness (MHV) method and empirical physical laws. This relation allows the calculation of σMHV only from MHV data. The parameters re
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::eafae3492ba060c72289436ccb76da81
https://doi.org/10.3144/expresspolymlett.2009.18
https://doi.org/10.3144/expresspolymlett.2009.18
Autor:
M. Mihajlov, E. Nedkov
Publikováno v:
Journal of Polymer Science Part C: Polymer Symposia. 38:33-45
The results of an investigation of the morphological changes and kinetics of supermolecular structure growth in a thin film of supercooled melt of polyoxymethylene diacetate under the influence of small amounts of organic low molecular, oligomeric, a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::01d372a52e7ffacb9a07beaf7cfda42c
https://doi.org/10.1002/polc.5070380105
https://doi.org/10.1002/polc.5070380105
Autor:
E. Nedkov, T. Dobreva
Publikováno v:
European Polymer Journal. 40:2573-2582
Gamma irradiated isotactic polypropylene (IPP) has been studied by means of wide-angle X-ray scattering (WAXS) and small-angle X-ray scattering (SAXS). The skin layer has been investigated by WAXS reflection mode while the core layer underwent WAXS s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::886ecf2bd18e977f1bd7de45d903d72f
https://doi.org/10.1016/j.eurpolymj.2004.06.017
https://doi.org/10.1016/j.eurpolymj.2004.06.017
Publikováno v:
Journal of Polymer Science Part B: Polymer Physics. 43:66-73
The kinetics of nonisothermal melting and the crystallization of polypropylene (PP) in polypropylene/carbon-fiber (C/PP) composites were studied by differential scanning calorimetry with the Nedkov and Atanasov method. Characteristic parameters such
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bb2388fd1e58199a84a44452e3cc6ea8
https://doi.org/10.1002/polb.20302
https://doi.org/10.1002/polb.20302
Publikováno v:
Polymer Journal. 35:920-927
Injected foams obtained from blends with different compositions of isotactic polypropylene, iPP, and two different low density polyethylenes, LDPE, were analyzed by X-Ray diffraction, differential scanning calorimetry, and dynamic mechanical thermal
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f09a5f0b33566460ab16b510e9ee56c8
https://doi.org/10.1295/polymj.35.920
https://doi.org/10.1295/polymj.35.920
Publikováno v:
Macromolecular Symposia. 181:493-498
An experimental study was conducted to investigate the rheological behaviour and extrudate swell of polyolefin blends based on two grades of low-density polyethylene (LDPE) and an isotactic polypropylene (i-PP). Blending was carried out on a twin-scr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9896aa718f8c7490805f1648f7493d14
https://doi.org/10.1002/1521-3900(200205)181:1<493::aid-masy493>3.0.co
https://doi.org/10.1002/1521-3900(200205)181:1<493::aid-masy493>3.0.co
Autor:
Ernesto Pérez, E. Nedkov, Galina Zamfirova, José M. Pereña, Rosario Benavente, María L. Cerrada
Publikováno v:
Polymer Journal. 34:125-131
Three types of semicrystalline ultra high molecular weight polyethylene, obtained with amorphous SiO 2 -supported Ziegler-Natta catalyst systems modified by vanadium and titanium, have been studied by wide angle X-Ray scattering, dynamic mechanical t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::30fdc5b0825478d41ee6dd656db96a07
https://doi.org/10.1295/polymj.34.125
https://doi.org/10.1295/polymj.34.125
Publikováno v:
Radiation Physics and Chemistry. 62:379-385
Positron annihilation technique was used to reveal the evolution of small pore structure of semi-crystalline ultra high molecular weight poly(ethylene oxide) under g-irradiation. It has been established that the structure of poly(ethylene oxide) is i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a90925528cc50b4481fea8354abee7b1
https://doi.org/10.1016/s0969-806x(01)00208-0
https://doi.org/10.1016/s0969-806x(01)00208-0