Catalytic Activity During Copolymerization of Ethylene and 1-Hexene via Mixed TiO(2)/SiO(2)-Supported MAO with rac-Et[Ind](2)ZrCl(2) Metallocene Catalyst

Activities during ethylene/1-hexene copolymerization were found to increase using the mixed titania/silica-supported MAO with rac-Et[Ind](2)ZrCl(2) metallocene catalyst. Energy Dispersive X-ray spectorcopy (EDX) indicated that the titania was apparently located on the outer surface of silica and act...

Descripción completa

Detalles Bibliográficos
Autores principales: Jongsomjit, Bunjerd, Ngamposri, Sutti, Praserthdam, Piyasan
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2005
Materias:
Article
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6147728/
https://www.ncbi.nlm.nih.gov/pubmed/18007337
http://dx.doi.org/10.3390/10060672
_version_ 1783356613951750144
author Jongsomjit, Bunjerd
Ngamposri, Sutti
Praserthdam, Piyasan
author_facet Jongsomjit, Bunjerd
Ngamposri, Sutti
Praserthdam, Piyasan
author_sort Jongsomjit, Bunjerd
collection PubMed
description Activities during ethylene/1-hexene copolymerization were found to increase using the mixed titania/silica-supported MAO with rac-Et[Ind](2)ZrCl(2) metallocene catalyst. Energy Dispersive X-ray spectorcopy (EDX) indicated that the titania was apparently located on the outer surface of silica and acted as a spacer to anchor MAO to the silica surface.  IR spectra revealed the Si-O-Ti stretching at 980 cm(-1) with low content of titania.  The presence of anchored titania resulted in less steric hindrance and less interaction due to supporting effect.
format Online
Article
Text
id pubmed-6147728
institution National Center for Biotechnology Information
language English
publishDate 2005
publisher MDPI
record_format MEDLINE/PubMed
spelling pubmed-61477282018-11-19 Catalytic Activity During Copolymerization of Ethylene and 1-Hexene via Mixed TiO(2)/SiO(2)-Supported MAO with rac-Et[Ind](2)ZrCl(2) Metallocene Catalyst Jongsomjit, Bunjerd Ngamposri, Sutti Praserthdam, Piyasan Molecules Article Activities during ethylene/1-hexene copolymerization were found to increase using the mixed titania/silica-supported MAO with rac-Et[Ind](2)ZrCl(2) metallocene catalyst. Energy Dispersive X-ray spectorcopy (EDX) indicated that the titania was apparently located on the outer surface of silica and acted as a spacer to anchor MAO to the silica surface.  IR spectra revealed the Si-O-Ti stretching at 980 cm(-1) with low content of titania.  The presence of anchored titania resulted in less steric hindrance and less interaction due to supporting effect. MDPI 2005-07-14 /pmc/articles/PMC6147728/ /pubmed/18007337 http://dx.doi.org/10.3390/10060672 Text en © 2005 by MDPI (http://www.mdpi.org). Reproduction is permitted for noncommercial purposes.
spellingShingle Article
Jongsomjit, Bunjerd
Ngamposri, Sutti
Praserthdam, Piyasan
Catalytic Activity During Copolymerization of Ethylene and 1-Hexene via Mixed TiO(2)/SiO(2)-Supported MAO with rac-Et[Ind](2)ZrCl(2) Metallocene Catalyst
title Catalytic Activity During Copolymerization of Ethylene and 1-Hexene via Mixed TiO(2)/SiO(2)-Supported MAO with rac-Et[Ind](2)ZrCl(2) Metallocene Catalyst
title_full Catalytic Activity During Copolymerization of Ethylene and 1-Hexene via Mixed TiO(2)/SiO(2)-Supported MAO with rac-Et[Ind](2)ZrCl(2) Metallocene Catalyst
title_fullStr Catalytic Activity During Copolymerization of Ethylene and 1-Hexene via Mixed TiO(2)/SiO(2)-Supported MAO with rac-Et[Ind](2)ZrCl(2) Metallocene Catalyst
title_full_unstemmed Catalytic Activity During Copolymerization of Ethylene and 1-Hexene via Mixed TiO(2)/SiO(2)-Supported MAO with rac-Et[Ind](2)ZrCl(2) Metallocene Catalyst
title_short Catalytic Activity During Copolymerization of Ethylene and 1-Hexene via Mixed TiO(2)/SiO(2)-Supported MAO with rac-Et[Ind](2)ZrCl(2) Metallocene Catalyst
title_sort catalytic activity during copolymerization of ethylene and 1-hexene via mixed tio(2)/sio(2)-supported mao with rac-et[ind](2)zrcl(2) metallocene catalyst
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6147728/
https://www.ncbi.nlm.nih.gov/pubmed/18007337
http://dx.doi.org/10.3390/10060672
work_keys_str_mv AT jongsomjitbunjerd catalyticactivityduringcopolymerizationofethyleneand1hexeneviamixedtio2sio2supportedmaowithracetind2zrcl2metallocenecatalyst
AT ngamposrisutti catalyticactivityduringcopolymerizationofethyleneand1hexeneviamixedtio2sio2supportedmaowithracetind2zrcl2metallocenecatalyst
AT praserthdampiyasan catalyticactivityduringcopolymerizationofethyleneand1hexeneviamixedtio2sio2supportedmaowithracetind2zrcl2metallocenecatalyst

Ejemplares similares