Zobrazeno 1 - 10
of 14
pro vyhledávání: '"Alvaro Parada"'
Publikováno v:
Revista Técnica de la Facultad de Ingeniería, Vol 20, Iss 3 (2011)
The Ziegler-Natta catalysts based on TiCl4 supported on MgCl2 which was recristallized by evaporation, were prepared. Ethyl benzoate (EB) and dioctyl phtalate (DOP) were used as internal Lewis bases. In the reactions of propylene polymerization, AlEt
Externí odkaz:
https://doaj.org/article/43c799c815114103aa1743059de1ea3a
Autor:
Alvaro Parada Fernandez
Publikováno v:
Revista Escuela de Administracion de Negocios, Vol 0, Iss 13, Pp 21-28 (1991)
RESUMEN Es ideal para la Administración a la hora de proyectar sus empresas tenga en cuenta la preservación del medio ambiente, ya esto indica la facilidad del beneficio mutuo entre los planes de la empresa y los de conservación.
Externí odkaz:
https://doaj.org/article/a421bbfa5bb44dcc97f966d5a1ccf4b3
Publikováno v:
Polymer Bulletin. 59:629-636
(C5H5)2Zr(O2C)CH3 and (C5H5)2Zr(O2C)CH2CH3 complexes were synthesized, characterized and activated with MAO for ethylene polymerization. The highest catalytic activity was achieved at Al/Zr molar ratio of 3000 for both systems. The effects of the siz
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::05c6dc14758fa420b49e05098d9dd93b
https://doi.org/10.1007/s00289-007-0806-5
https://doi.org/10.1007/s00289-007-0806-5
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
Publikováno v:
Journal of Molecular Catalysis A: Chemical. 231:123-127
TiCl4/MgCl2–alkoxysilane-based catalysts for olefin polymerisation were prepared by supporting TiCl4 on recrystallised MgCl2 containing grafted alkoxysilane. The alkoxysilanes were generated in situ during the recrystallisation of MgCl2 with SiCl4
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bf268781fb63d8df6c690399733afc69
https://doi.org/10.1016/j.molcata.2004.09.054
https://doi.org/10.1016/j.molcata.2004.09.054
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
Publikováno v:
Designed Monomers and Polymers. 6:1-10
The effect of the alcohol nature in TiCl4 catalysts supported on MgCl2, modified by the recrystallization technique with SiCl4, has been investigated in terms of activity and tacticity control. A series of alcoholic solutions of MgCl2, using 1-hexano
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c2cc74c119c865aa939826042a06406c
https://doi.org/10.1163/156855503321127484
https://doi.org/10.1163/156855503321127484
Publikováno v:
European Polymer Journal. 38:2093-2099
This paper is a comparative study of the performance of TiCl4 catalysts supported on recrystallized MgCl2 through different techniques for the polymerization of ethylene, propylene and ethylene–propylene copolymers. MgCl2 was dissolved in 1-hexanol
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2c8b607663bf6f04737510078801d62b
https://doi.org/10.1016/s0014-3057(02)00094-0
https://doi.org/10.1016/s0014-3057(02)00094-0
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
Publikováno v:
FACE: Revista de la Facultad de Ciencias Económicas y Empresariales. 16:110
El auge de la globalización ha traído consigo importantes cambios en la economía de los negocios y en los procesos de internacionalización de las empresas, como es el caso de las normas internacionales de información financiera NIIF que afectan
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0b56ed6b0b8936f98e41482c9618bc93
https://doi.org/10.24054/01204211.v2.n2.2016.2636
https://doi.org/10.24054/01204211.v2.n2.2016.2636