Novel SiO2-Supported Chromium Oxide(Cr)/Vanadium Oxide(V) Bimetallic Catalysts for Production of Bimodal Polyethylene

2015 ◽  
Vol 9 (5) ◽  
pp. 462-472 ◽  
Author(s):  
Ruihua Cheng ◽  
Xin Xue ◽  
Weiwei Liu ◽  
Ning Zhao ◽  
Xuelian He ◽  
...  
Keyword(s):  
Vanadium Oxide ◽  
Chromium Oxide ◽  
Bimetallic Catalysts ◽  
Bimodal Polyethylene

Chromium oxide/metallocene binary catalysts for bimodal polyethylene: Hydrogen effects

2012 ◽  
Vol 213 ◽  
pp. 62-69 ◽  
Author(s):  
Beatriz Paredes ◽  
Rafael van Grieken ◽  
Alicia Carrero ◽  
Jovita Moreno ◽  
Alberto Moral
Keyword(s):  
Chromium Oxide ◽  
Bimodal Polyethylene ◽  
Binary Catalysts

Catalytic Reduction of Nitric Oxide with Ammonia on Vanadium Oxide and Iron-Chromium Oxide

Product R&D ◽  
1975 ◽  
Vol 14 (4) ◽  
pp. 268-273 ◽  
Author(s):  
George L. Bauerle ◽  
S. C. Wu ◽  
Ken Nobe
Keyword(s):  
Nitric Oxide ◽  
Vanadium Oxide ◽  
Chromium Oxide ◽  
Catalytic Reduction ◽  
Iron Chromium

Effects of Alkyl Aluminum on SiO2 -Supported Silyl-Chromate(Cr)/Imido-Vanadium(V) Bimetallic Catalysts for Producing Bimodal Polyethylene

2017 ◽  
Vol 11 (5) ◽  
pp. 1700006 ◽  
Author(s):  
Bangming Liu ◽  
Ning Zhao ◽  
Yulong Jin ◽  
Ruihua Cheng ◽  
Xuelian He ◽  
...  
Keyword(s):  
Bimetallic Catalysts ◽  
Bimodal Polyethylene

Magnetic Properties of Chromium Oxide Modified by Vanadium Oxide

1961 ◽  
Vol 16 (11) ◽  
pp. 2340-2341 ◽  
Author(s):  
Buichi Kubota ◽  
Tomozo Nishikawa ◽  
Akira Yanase
Keyword(s):  
Magnetic Properties ◽  
Vanadium Oxide ◽  
Chromium Oxide

Evaluation of Bimodal Polyethylene from Chromium Oxide/Metallocene Hybrid Catalysts for High Resistance Applications

2020 ◽  
Vol 14 (6) ◽  
pp. 2000032
Author(s):  
Beatriz Paredes ◽  
Jovita Moreno ◽  
Alicia Carrero ◽  
Rafael Grieken
Keyword(s):  
Chromium Oxide ◽  
High Resistance ◽  
Hybrid Catalysts ◽  
Bimodal Polyethylene

Novel SiO 2 ‐Supported Chromocene and Vanadium Bimetallic Catalysts Producing Bimodal Polyethylene

2020 ◽  
Vol 221 (13) ◽  
pp. 2000067 ◽  
Author(s):  
Kai Wang ◽  
Rui Zhang ◽  
He Ren ◽  
Ning Zhao ◽  
Yulong Jin ◽  
...  
Keyword(s):  
Bimetallic Catalysts ◽  
Bimodal Polyethylene

Development of novel chromium oxide/metallocene hybrid catalysts for bimodal polyethylene

Polymer ◽  
2011 ◽  
Vol 52 (9) ◽  
pp. 1891-1899 ◽  
Author(s):  
J. Moreno ◽  
R. van Grieken ◽  
A. Carrero ◽  
B. Paredes
Keyword(s):  
Chromium Oxide ◽  
Hybrid Catalysts ◽  
Bimodal Polyethylene

Production of bimodal polyethylene on chromium oxide/metallocene binary catalyst: Evaluation of comonomer effects

2017 ◽  
Vol 315 ◽  
pp. 46-57 ◽  
Author(s):  
Jovita Moreno ◽  
Beatriz Paredes ◽  
Alicia Carrero ◽  
Daniel Vélez
Keyword(s):  
Chromium Oxide ◽  
Binary Catalyst ◽  
Bimodal Polyethylene

Structure and composition of metal particles in Pt-Sn/Al2O3 bimetallic catalysts

1990 ◽  
Vol 48 (4) ◽  
pp. 278-279
Author(s):  
A. Sachdev ◽  
J. Schwank
Keyword(s):  
Bimetallic Catalysts ◽  
Bimetallic Catalyst ◽  
Size Structure ◽  
High Surface ◽  
High Surface Area ◽  
Metal Particles ◽  
Alloy Formation ◽  
Particle Size Range ◽  
Oxide Supports ◽  
Petroleum Fractions

Platinum - tin bimetallic catalysts have been primarily utilized in the chemical industry in the catalytic reforming of petroleum fractions. In this process the naphtha feedstock is converted to hydrocarbons with higher octane numbers and high anti-knock qualities. Most of these catalysts contain small metal particles or crystallites supported on high surface area insulating oxide supports. The determination of the structure and composition of these particles is crucial to the understanding of the catalytic behavior. In a bimetallic catalyst it is important to know how the two metals are distributed within the particle size range and in what way the addition of a second metal affects the size, structure and composition of the metal particles. An added complication in the Pt-Sn system is the possibility of alloy formation between the two elements for all atomic ratios.

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