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Studies on VOCl3/MgCl2/NaY/Al2Et3Cl3 complex support catalysts for the copolymerization of ethylene and propylene

โœ Scribed by L. Wang; L. X. Feng; J. T. Xu; S. L. Yang

Publisher
John Wiley and Sons
Year
1994
Tongue
English
Weight
419 KB
Volume
54
Category
Article
ISSN
0021-8995

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Studies on probing SiO2 surface using BF
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โœ L. Wang; Y. L. Yuan; C. X. Ge; Y. X. Wang; B. Ji; J. Pan; Z. Y. Ye; L. X. Feng ๐Ÿ“‚ Article ๐Ÿ“… 2000 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 151 KB

Using BF 3 as probe, the surface of SiO 2 was probed. The effects of the roast temperature on the SiO 2 surface were investigated and a possible mechanism is suggested. Using SiO 2 as starting material for supports, new supported catalysts for copolymerization of ethylene and propylene were prepared