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A novel carrier of ultradispersed diamond black powder (UDDBP) was used to support metallocene catalyst. Al 2 O 3 was also used as carrier in order to compare with UDDBP. Supported catalysts for ethylene polymerization were synthesized by two different reaction methods. One way was direct immobilization of the metallocene on the support, the other was adsorption of MAO onto the support...
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