| 摘要 |
<p>IN THE UNITED STATES PATENT OFFICE COMPOUNDS Novel organoaluminum compounds having the general formula: wherein Z is (-CH2CH2-); X is chloro-, bromo-, or iodo-, and n is 1, except that when X is chloro-, n is a number from 2 to 20, are disclosed. The compounds are prepared by reacting aluminum metal with an anhydrous aluminum trihalide and ethylene. The compounds are useful as co-catalysts for Ziegler polymerizations.</p> |
