Abstract
IN an earlier communication1, evidence was given upon which the following conclusion was based. In the dimerization of di-isobutene and the polymerization of isobutene, it is essential that a trace of some third component, X, shall be present in addition to the monomer and the Friedel–Crafts catalyst, in order that the reaction shall proceed at an appreciable rate. It was suggested then that this third component was probably water. We have continued this line of investigation by studying the boron trifluoride-catalysed polymerization of isobutene in the gas phase using high-vacuum technique. The polymerization reaction was followed by mixing the boron trifluoride and the isobutene in the gas phase and measuring the fall in pressure with time. We may summarize the results as follows:
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References
Evans, A. G., Holden, Plesch, Polanyi, Skinner and Weinberger, Nature, 157, 102 (1946).
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EVANS, A., MEADOWS, G. & POLANYI, M. Friedel–Crafts Catalysts and Polymerization. Nature 158, 94–95 (1946). https://doi.org/10.1038/158094c0
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DOI: https://doi.org/10.1038/158094c0
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