No (433)
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433
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Vliv struktury materiálu na chemickou recyklaci polyurethanu při mikrovlnném ohřevu
Prokop, Jiří; Beneš, Hynek; Kruliš, Zdeněk; Mikešová, Jana; Kříž, Jaroslav
2010 - Czech
Keywords:
microwave heating; glycolysis; recycling
Available at various institutes of the ASCR
Vliv struktury materiálu na chemickou recyklaci polyurethanu při mikrovlnném ohřevu
Novel nanocomposite materials for power engineering
Boček, J.; Matějka, Libor; Mentlík, V.
2010 - English
The epoxy-POSS nanocomposites were prepared and their electrical/dielectric and thermomechanical properties were determined. The mono- and octa-epoxyfunctionalized POSS (POSS,E1 and POSS,E8) were covalently incorporated in the epoxy network matrix DGEBA- 3,3’-dimethyl-4,4’-diaminocyclohexylmethane (Laromin C260) as pendant units or as polyhedral junctions, respectively. While the POSS junctions are well dispersed in the hybrid network DGEBA-Laromin-POSS,E8, the pendant POSS aggregate to form large crystalline POSS domains.
Keywords:
nanocomposite; epoxy resin; insulating system
Available at various institutes of the ASCR
Novel nanocomposite materials for power engineering
The epoxy-POSS nanocomposites were prepared and their electrical/dielectric and thermomechanical properties were determined. The mono- and octa-epoxyfunctionalized POSS (POSS,E1 and POSS,E8) were ...
Nízkoenergetický způsob recyklace polyurethanového odpadu
Beneš, Hynek; Kruliš, Zdeněk; Hájek, Milan; Holler, Petr; Látalová, Petra; Prokop, Jiří
2010 - Czech
Keywords:
polyurethane waste; recycling; microwave
Available at various institutes of the ASCR
Nízkoenergetický způsob recyklace polyurethanového odpadu
Programme Booklet of 74th Prague Meeting on Macromolecules
Vlček, Petr; Sedláková, Zdeňka; Výprachtický, Drahomír
2010 - English
The conference addressed researchers dealing with all types of polymer synthesis, their characterization and applications, including design of tailored polymer materials for various use in technical and biological applications. The program composed of 7 key lectures presented by the top experts in the field, 27 special lectures and 47 poster communications presented prevailingly by students and young scientists. Totally, 81 people from 22 countries from allover the world attended the meeting.
Keywords:
controlled polymerization; modification of polymers; hybrid and multicomponent polymer systems
Available at various institutes of the ASCR
Programme Booklet of 74th Prague Meeting on Macromolecules
The conference addressed researchers dealing with all types of polymer synthesis, their characterization and applications, including design of tailored polymer materials for various use in technical ...
Book of Abstracts
Kotek, Jiří; Studenovská, Hana
2010 - English
The book of abstracts contains the summaries of all the contributions to the workshop Career in Polymers II organized in Prague, July 23-24, 2010 by the Institute of Macromolecular Chemistry AS CR, v.v.i. under the auspices of Central and East European Polymer Network.
Keywords:
polymer science; career in polymers; Central and East European Polymer Network
Available at various institutes of the ASCR
Book of Abstracts
The book of abstracts contains the summaries of all the contributions to the workshop Career in Polymers II organized in Prague, July 23-24, 2010 by the Institute of Macromolecular Chemistry AS CR, ...
4. workshop NMR pevného stavu a souvisejících výpočtových metod. (Program, abstrakta, témata k diskuzi.)
Brus, Jiří; Kratochvíl, B.
2010 - Czech
Konferenční sborník obsahující program, abstrakta, témata k diskuzi ze 4. workshopu NMR pevného stavu a souvisejících výpočtových metod. Conference proceedings containing the program, abstracts, topics for discussion from the 4th Workshop on Solid-State NMR and Computational Methods.
Keywords:
NMR crystallography; solid state NMR spectroscopy; powder X ray diffraction
Available at various institutes of the ASCR
4. workshop NMR pevného stavu a souvisejících výpočtových metod. (Program, abstrakta, témata k diskuzi.)
Konferenční sborník obsahující program, abstrakta, témata k diskuzi ze 4. workshopu NMR pevného stavu a souvisejících výpočtových metod....
Cation and anion exchangers from nanofibrous polystyrene for fast water treatment
Marek, J.; Beneš, Milan J.; Jelínek, L.
2009 - English
Strongly acidic sulfonovaný cation exchanger on polystyrene nanofibrous matrix (Nanospider TM technology) was prepared by simultaneous sulfonation and crosslinking. Weakly basic nanofibrous anion exchanger was prepared after transformation of sulfogroups to sulfochloride by reaction with ethylene diamine. Nanofibrous products were characterized by sorption capacity. They have sorption kinetic significantly faster in comparison with standard granular ion exchangers. Současnou sulfonací a síťováním byl připraven silně kyselý sulfonový katex na polystyrenové nanovláknité matrici (Nanospider TM technologie). Slabě bázický anex byl připraven po převedení sulfoskupin na sulfochlorid reakci s ethylen diaminem. Nanovláknité produkty byly charakterizovány pomocí sorpční kapacity. Mají kinetiku sorpce výrazně rychlejší než standardní sorbenty granulární.
Keywords:
polystyrene; nanofiber; ion exchanger
Available at various institutes of the ASCR
Cation and anion exchangers from nanofibrous polystyrene for fast water treatment
Strongly acidic sulfonovaný cation exchanger on polystyrene nanofibrous matrix (Nanospider TM technology) was prepared by simultaneous sulfonation and crosslinking. Weakly basic nanofibrous anion ...
Self-assembled nanostructures in copolymer blends: SAXS, SANS and TEM study
Holoubek, Jaroslav; Baldrian, Josef; Hromádková, Jiřina; Steinhart, Miloš
2009 - English
Phenomena associated with the phase behaviour and self-assembled nanostructures of three block copolymer systems have been studied by small-angle X-ray scattering (SAXS), small-angle neutron scattering (SANS) and transmision electron microscopy (TEM)
Keywords:
total hip replacement; polyethylene wear; aseptic loosening
Available at various institutes of the ASCR
Self-assembled nanostructures in copolymer blends: SAXS, SANS and TEM study
Phenomena associated with the phase behaviour and self-assembled nanostructures of three block copolymer systems have been studied by small-angle X-ray scattering (SAXS), small-angle neutron ...
Surface properties of polyethylene grafted by plasma
Novák, I.; Nedelčev, T.; Krupa, I.; Števiar, M.; Chodák, I.; Mosnáček, J.; Špírková, Milena; Chehimi, M. M.
2008 - English
The aim of the paper is an investigation of surface properties of the polyethylene modified by radio-frequency discharge plasma as well as of the polymer modified by plasma and subsequently grafted with alkoxyvinylsilanes. Cílem tohoto příspěvku je studium povrchových vlastností polyethylenu modifikovaného radiofrekvenčním plasmovým výbojem a plasmou modifikovaného polymeru s naroubovanými alkoxyvinylsilany.
Keywords:
polyethylene; surface properties
Available at various institutes of the ASCR
Surface properties of polyethylene grafted by plasma
The aim of the paper is an investigation of surface properties of the polyethylene modified by radio-frequency discharge plasma as well as of the polymer modified by plasma and subsequently grafted ...
Membránové technologie a materiály pro separace i alternativní energetické a biospecifické zdroje
Bleha, Miroslav
2008 - Czech
Membránové procesy jsou součástí potravinářských, chemických, energetických i ekologických technologií. Membránové procesy jsou součástí potravinářských, chemických, energetických i ekologických technologií. Materiálový výzkum membrán se řadí mezi současný trend nanotechnologií jak pojetím morfologické struktury tak chemickou funkcionalizací výchozích látek. Uvedeny jsou perspektivní směry membránových aplikací. Membrane processes are branches of food, chemical, power and ecological technologies. Membrane material research is in unity with a contemporary trend of nanotechnologies by both the approach to morphology and chemical functionalization of initial compounds. Advanced ways of membrane applications are presented.
Keywords:
membrane separation; heterogeneous membranes
Available at various institutes of the ASCR
Membránové technologie a materiály pro separace i alternativní energetické a biospecifické zdroje
Membránové procesy jsou součástí potravinářských, chemických, energetických i ekologických technologií. Membránové procesy jsou součástí potravinářských, chemických, energetických i ekologických ...
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