Zobrazeno 1 - 10
of 86
pro vyhledávání: '"Jaroslav Králíček"'
Autor:
Jaroslav Králíček
Publikováno v:
Časopis pro Právní Vědu a Praxi, Vol 22, Iss 1 (2014)
Práva k duševnímu vlastnictví ve vztazích s mezinárodním prvkem jsou dle převažujících názorů i v současné době stále ovládána zásadou teritoriality. Tak je tomu i tehdy, jsou-li tyto vztahy realizované v prostředí internetu. T
Externí odkaz:
https://doaj.org/article/ccffb0419ac441869f7b97f761a91cf6
Publikováno v:
Angewandte Makromolekulare Chemie. 192:145-153
The homogeneous polyaddition reaction of pyromellitic dianhydride with 4,4′-diaminodiphenylmethane was investigated. The dependence of the number average molecular weights on time has a maximum; low equilibrium values of Mn are caused by a disturbe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::48860995064c5bb76204f124333c4265
https://doi.org/10.1002/apmc.1991.051920112
https://doi.org/10.1002/apmc.1991.051920112
Publikováno v:
European Polymer Journal. 27:487-491
Polyamic acids, polyimides and polyisoimides have been prepared from pyromellitic acid dianhydride and 1,n-bis(4-aminophenoxyalkanes). The synthesized polymers were characterized by physical and physico-chemical methods. The prepared polyimides and p
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cf896b9bbe6ae6838188e2ef3115a3de
https://doi.org/10.1016/0014-3057(91)90172-k
https://doi.org/10.1016/0014-3057(91)90172-k
Publikováno v:
Die Makromolekulare Chemie. 191:2631-2637
Imidization of polyamic acid prepared from pyromellitic dianhydride and 4,4′-methylenedianiline was investigated at 373–493 K. At a certain degree of imidization, depending on the reaction temperature, the reaction is significantly slowed down. F
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3c14789688c28e71b2dbaa9b1bd3fca3
https://doi.org/10.1002/macp.1990.021911111
https://doi.org/10.1002/macp.1990.021911111
Autor:
Jaroslav Straka, Miroslav Marek, Pavel Schmidt, Bohumil Bednář, Bohdan Schneider, Jaroslav Králíček
Publikováno v:
European Polymer Journal. 26:941-945
i.r. and 13C-CP-MAS-NMR spectra were recorded for polyamidocarboxylic acid, polyimide and polyisoimide based on pyromellitic acid dianhydride (PMDA) and 4,4′-diaminodiphenylmethane (MDA), and of polyimide based on PMDA and 4,4′-diaminodiphenyleth
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::45fd02d6587bdc8c079056cdeeb449c7
https://doi.org/10.1016/0014-3057(90)90105-d
https://doi.org/10.1016/0014-3057(90)90105-d
Publikováno v:
Fortschritte Der Hochpolymeren-Forschung ISBN: 3540026266
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8a6b97e81fbd6a37bd3a325f1396821c
https://doi.org/10.1007/bfb0050506
https://doi.org/10.1007/bfb0050506
Publikováno v:
European Polymer Journal. 13:665-668
The effects of temperature and initiator and activator concentrations on the anionic polymerization of 2-pyrrolidone were studied. Potassium tert, butanolate and γ-butyrolactone served as initiator and activator respectively. The polymer yield and i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3c0598ffed0fc13fe3fb9fad06cb0b3d
https://doi.org/10.1016/0014-3057(77)90199-9
https://doi.org/10.1016/0014-3057(77)90199-9
Publikováno v:
Angewandte Makromolekulare Chemie. 102:39-43
Samples of linear polycaprylolactam have been prepared and fractionated, and the [η]-Mw relationship has been established in m-cresol. Statistically branched samples have been obtained by copolymerizing 8-caprylolactam with bislactams. The degree of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::da38b35f501260bbcb85af2e752f669a
https://doi.org/10.1002/apmc.1982.051020105
https://doi.org/10.1002/apmc.1982.051020105
Publikováno v:
Die Makromolekulare Chemie. 189:9-16
The anionic polymerization of 2-pyrrolidone (PD) was initiated with the potassium salt of PD at 30–50°C and accelerated with the following N-iminolactams (NIL): 1-(1-pyrrolin-2-yl)-2-pyrrolidone (1), 1-(1-azacyclohept-1-en-2-yl)-2-pyrrolidone (2),
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a44286bd9f8cfc50e646c9a805333758
https://doi.org/10.1002/macp.1988.021890102
https://doi.org/10.1002/macp.1988.021890102
Publikováno v:
Angewandte Makromolekulare Chemie. 75:63-77
The effect of temperature, activator concentration, and polymerization time on the anionic polymerization of 2-pyrrolidone was studied using the method of statistical planning of the experiments. Sodium tert-butoxide or sodium dihydrido-bis(2-methoxy
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d82f91c88385bc09d044205054ea0737
https://doi.org/10.1002/apmc.1979.050750105
https://doi.org/10.1002/apmc.1979.050750105