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USE OF A ZIEGLER-NATTA CATALYST TO MAKE A POLYPROPYLENE HOMOPOLYMER OR RANDOM COPOLYMER HAVING A HIGH MELT FLOW RATE
USE OF A ZIEGLER-NATTA CATALYST TO MAKE A POLYPROPYLENE HOMOPOLYMER OR RANDOM COPOLYMER HAVING A HIGH MELT FLOW RATE
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机译:使用齐格勒-纳塔催化剂制备具有高熔体流动速率的聚丙烯均聚物或无规共聚物
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摘要
The present invention relates to a process for the production of a high melt flow propylene homopolymer or random copolymer with low odor and low volatiles content, which is suitable for thin-walled injection molding applications, said process comprising the step of polymerizing propylene and one or more optional comonomers in presence of a Ziegler-Natta catalyst comprising a titanium compound having at least one titanium-halogen bond, and a diether compound as internal electron donor, both supported on a magnesium halide in active form, an organoaluminium compound and an optional external donor.
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