Catalytic polymerization of olefins
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Nickelous oxide — synthetic aluminum silicate (tablet form) catalysts prepared by precipitation or impregnation show considerable activity for the polymerization of ethylene at 300° and atmospheric pressure. Aluminum silicate is not itself a catalyst in this reaction.
When nickel is replaced by iron, cobalt, or copper in a nickelous oxide — aluminum silicate catalyst, the products are inactive for the polymerization of ethylene.
Aluminum silicate that has been treated with a solution of alkali is unsuitable as a carrier for nickelous oxide; this is in good agreement with the view of the activity of hydrogen ions in an aluminum silicate.
KeywordsOxide Hydrogen Iron Polymerization Copper
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