| 摘要 |
<p>1508046 Titanium halide/poly-(iminoalane) catalysts SNAMPROGETTI SpA 19 June 1975 [1 July 1974] 26199/75 Heading C3P Ethylene is polymerized using a catalyst comprising a trivalent Ti halide and a polyiminoalane of formula where R = hydrocarbyl radical, Y = halogen, k = 2-50, i>0, j#0, h : k>1 : 1, (i+j) : h> 1 : 1.</p> |
