Abstract
The four models of the preceding paper (1) (Part I) are compared with the experimental results of polymerizing ethylene over chromium oxide-silica-alumina catalyst. Experimental curves are shown for number average molecular weights, weight average molecular weights, their ratios, and rates of polymerization as functions of pressure. The effects of temperature variations on these quantities are discussed qualitatively. The conclusion is reached that the Langmuir-Hinshelwood mechanism on an energetically heterogeneous surface duplicates the general character of the experimental curves most closely.
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