Zobrazeno 1 - 8
of 8
pro vyhledávání: '"Darmenia Ibarra"'
Autor:
Jeannette Zárraga, Mariana Zapata, Darmenia Ibarra, Darlin Duarte, Ángel Morillo, Ligia Llovera, Eduardo Gonzalez, Victor Ferrer, Juan Chirinos
Publikováno v:
ACS Omega, Vol 9, Iss 3, Pp 3588-3595 (2024)
Externí odkaz:
https://doaj.org/article/0175b847360f491f80192b6789a80484
Autor:
Oswaldo Larreal, Juan Chirinos, Jeannette Zárraga, Teresa González, Ángel Morillo, Mayamarú Guerra, Darmenia Ibarra, Ligia Llovera
Publikováno v:
Polyhedron, Volume 203, 2021.
Repositorio Institucional UTB
Universidad Tecnológica de Bolívar
instacron:Universidad Tecnológica de Bolívar
Repositorio Institucional UTB
Universidad Tecnológica de Bolívar
instacron:Universidad Tecnológica de Bolívar
Transition metal complexes of Co(II), Cu(II), and Fe(II) bearing a rigid symmetrical 2,2′-(1,2-phenylene)bis(1H-benzimidazole) ligand, PhBIm2, were synthesized and fully characterized by ESI-MS, FT-IR, 1H NMR (for paramagnetic species), UV–Vis sp
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::07692fdd32e3be70f535c74a45c757d6
Autor:
Chirinos, Juan, Zárraga, Jeannette, Katherinne Ortega, Gonzalez, Eduardo, Ferrer, Víctor, Darmenia Ibarra, Morillo, Ángel, Mayamarú Guerra
En este trabajo se estudió el uso de líquidos iónicos basados en órgano-cationes de alquilpiridinio y metilimidazolio con diferentes aniones mono y polinucleares para el mejoramiento de crudos pesados. El crudo pesado estudiado se obtuvo del yaci
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d45b47eb52ba20f8a23992e0ce5e8851
Autor:
Darmenia Ibarra, Alvaro Parada, Elisa Passaglia, Tamara Rajmankina, Ángel Morillo, José Arévalo
Publikováno v:
Designed monomers and polymers (Online) 10 (2007): 507–516.
info:cnr-pdr/source/autori:Angel Morillo, Alvaro Parada, Darmenia Ibarra, Elisa Passaglia, Josè Arévalo, Tamara Rajmankina/titolo:Ethylene polymerization using metallocenes supported on MgCl2%2FSiCl4-n(n-C6H13O)n/doi:/rivista:Designed monomers and polymers (Online)/anno:2007/pagina_da:507/pagina_a:516/intervallo_pagine:507–516/volume:10
info:cnr-pdr/source/autori:Angel Morillo, Alvaro Parada, Darmenia Ibarra, Elisa Passaglia, Josè Arévalo, Tamara Rajmankina/titolo:Ethylene polymerization using metallocenes supported on MgCl2%2FSiCl4-n(n-C6H13O)n/doi:/rivista:Designed monomers and polymers (Online)/anno:2007/pagina_da:507/pagina_a:516/intervallo_pagine:507–516/volume:10
Metallocene complexes Cp2TiCl2, Cp2ZrCl2, Cp2Zr(N n Bu2)2, Cp2Ti(? 1-OC(O)C6H5)2 and Cp2Zr(? 1-OC(O)C6H5)2 were supported on MgCl2/SiCl4-n (n-C6H13O) n carrier and used for ethylene polymerization. The supported complexes result in highly active cata
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4cd1db167d8d9b10e8072e7b85aaa08e
https://doi.org/10.1163/156855507782401187
https://doi.org/10.1163/156855507782401187
Autor:
Alvaro Parada, Ángel Morillo, José Arévalo, Juan Chirinos, Darmenia Ibarra, Tamara Rajmankina, Ali Bahsas
Publikováno v:
Polymer Bulletin. 51:381-387
The complex η5-(C5H5)2Ti (η1-OC(O)C6H5)2 was synthesized and activated with MA0 for ethylene polymerization. The resultant polymer is UHMW-PE with a viscosimetric molecular weight of Mv = 6.8 x 106 to 0.7 x 106 g/mol dependent on the temperature of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c4f5f475e5dc374c1bc369cf0c3bf11a
https://doi.org/10.1007/s00289-004-0237-5
https://doi.org/10.1007/s00289-004-0237-5
Autor:
Juan Chirinos, Darmenia Ibarra, Ángel Morillo, Tamara Rajmankina, José Arévalo, Alvaro Parada
Publikováno v:
Macromolecular Chemistry and Physics. 203:1501-1505
The half-sandwich complexes, [η 1 :η 5 -C 9 H 6 - (CH 2 ) 2 NEt]Ti(NEt 2 ) 2 and [η 1 :η 5 -C 13 H 8 (CH 2 ) 2 NEt]Ti(NEt 2 ) 2 , were synthesized and characterized by spectroscopy techniques. These compounds were activated by methylaluminoxane (
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0b669db71bbdecfdfb70df8a9294c6dc
https://doi.org/10.1002/1521-3935(200207)203:10/11<1501::aid-macp1501>3.0.co
https://doi.org/10.1002/1521-3935(200207)203:10/11<1501::aid-macp1501>3.0.co
Autor:
Darmenia Ibarra, Ángel Morillo, Alvaro Parada, José Arévalo, Juan Chirinos, Tamara Rajmankina
Publikováno v:
Journal of Chemical Research. 2003:238-239
Aminegroups directly linked to the metal atom may affect both thecatalytic activity and polymer properties through their stericand/or electronic influence, as well as playing a fundamentalrole in the stability of active species during polymerisation.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a61d6a252af7d3fbdd2ae9f43fb118b6
https://doi.org/10.3184/030823403103173633
https://doi.org/10.3184/030823403103173633
Synthesis of UHMW-PE by a Highly Active Homogeneous System: ? 5-(C 5 H 5 ) 2 Ti(? 1-OC(O)C 6 H 5 ) 2 /MAO.
Autor:
Juan Chirinos, Jose Arévalo, Tamara Rajmankina, Angel Morillo, Darmenia Ibarra, Ali Bahsas, Alvaro Parada
Publikováno v:
Polymer Bulletin; Apr2004, Vol. 51 Issue 5/6, p381-387, 7p