Zobrazeno 1 - 10
of 15
pro vyhledávání: '"Marta Pacovská"'
Publikováno v:
Polymer Journal. 32:370-374
Polyacetylene with Coumarin Containing Pendant Groups by Polymerization of 7-Propargyloxy-4-methylcoumarin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c790c4d6519a3a7d308309e2623b5fd6
https://doi.org/10.1295/polymj.32.370
https://doi.org/10.1295/polymj.32.370
Autor:
Hynek Balcar, Marta Pacovská
Publikováno v:
Journal of Molecular Catalysis A: Chemical. 115:101-105
A suspension of commercial WCl 4 initiates rapid polymerization of norbornene and norbornadiene under mild conditions. If norbornenyl acetate is used as a substrate, WCl 4 is dissolved and homogeneous polymerization occurs. In both cases polymers ( M
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c64e16329345a8a52a5a6d32b35c9cd6
https://doi.org/10.1016/s1381-1169(96)00094-5
https://doi.org/10.1016/s1381-1169(96)00094-5
Publikováno v:
Scopus-Elsevier
The degradation of poly(phenylacetylene), a typical autoxidatively degradable polymer of substituted acetylene, is shown to take place inside the SEC (size exclusion chromatography) columns during the polymer analysis carried out with eluent (THF) no
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::56aa74088ecb1d91369fb97ca057bca2
https://doi.org/10.1135/cccc19960120
https://doi.org/10.1135/cccc19960120
Publikováno v:
Collection of Czechoslovak Chemical Communications. 60:489-497
Catalytic activity of the tungsten aryloxo complexes WCl5(OAr) and WOCl3(OAr), where Ar = 4-t-C4H9C6H4, 2,6-(t-C4H9)2C6H3, 2,6-Cl2C6H3, 2,4,6-Cl3C6H2, and 2,4,6-Br3C6H2 in polymerization of phenylacetylene (20 °C, monomer to catalyst molar ratio = 1
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::50c9ded49d8053d51ff579c91c5c64a1
https://doi.org/10.1135/cccc19950489
https://doi.org/10.1135/cccc19950489
Publikováno v:
Collection of Czechoslovak Chemical Communications. 59:2454-2471
Ripening of WOCl4/Ph4Sn binary catalyst of composition from 1 : 1 to 1 : 4 in benzene and toluene is a complex reaction in which initially homogeneous solution of the catalyst components continually changes to a colloidal solution, and utterly to a s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f451ce9c046495992986eefdd7bcbfdb
https://doi.org/10.1135/cccc19942454
https://doi.org/10.1135/cccc19942454
Publikováno v:
Polymer. 34:4585-4588
The formation of block copolymer mixed micelles has been studied in solutions of polystyrene-block-polyisoprene and polystyrene-block-poly(ethylene-co-propylene) in decane, a selectively poor solvent for polystyrene blocks. The rate of mass exchange
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::990a8f93b41f658986e435e5711172c8
https://doi.org/10.1016/0032-3861(93)90171-6
https://doi.org/10.1016/0032-3861(93)90171-6
Publikováno v:
Collection of Czechoslovak Chemical Communications. 58:2651-2662
Autooxidative degradation of high molecular-weight poly(phenylacetylene) (PPhA) in solid state and in solution was studied using the size exclusion chromatography (SEC) and UV, IR, and EPR spectrometry. No degradation was observed on PPhA stored in v
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7805a682d904c0e338adc91d4ae23da3
https://doi.org/10.1135/cccc19932651
https://doi.org/10.1135/cccc19932651
Autor:
Hynek Balcar, Marta Pacovská, Jan Svoboda, Jiri Vohlidal, Jiří Čejka, Zdeněk Bastl, Jan Sedláček
Publikováno v:
Novel Metathesis Chemistry: Well-Defined Initiator Systems for Specialty Chemical Synthesis, Tailored Polymers and Advanced Material Applications ISBN: 9781402015717
Substituted polyvinylenes, polymers with conjugated polyene main chains, attract attention because of their unique properties implicating applications in electronics and optics [1] (electro- and photoconductivity, electro- and photoluminescence, opti
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0a18bde68f225a819a71f50a0266058d
https://doi.org/10.1007/978-94-010-0066-6_11
https://doi.org/10.1007/978-94-010-0066-6_11
Publikováno v:
Novel Metathesis Chemistry: Well-Defined Initiator Systems for Specialty Chemical Synthesis, Tailored Polymers and Advanced Material Applications ISBN: 9781402015717
In the last decade, rhodium complexes are increasingly used as catalysts for a preparation of specialty polymers of diverse functionality, since a use of them brings about important advantages. Rh-catalysts (i) show unusually high tolerance to the re
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b1ee328cba3edb20dd2c4eb9b66bfd5b
https://doi.org/10.1007/978-94-010-0066-6_10
https://doi.org/10.1007/978-94-010-0066-6_10
Publikováno v:
Collection of Czechoslovak Chemical Communications. 46:391-399
Initiation of oligomerisations of methyloxirane (1,2-epoxypropane) by Ph3C+SbCl-6 and Ph3C+AsF-6 (Ph = C6H5) has been studied by spectral methods and by chemical analysis of the reaction mixtures and reaction products. The results obtained indicate t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9291fee0d992529d55e8de7ffc3c4c1e
https://doi.org/10.1135/cccc19810391
https://doi.org/10.1135/cccc19810391