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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:齐格勒-纳塔催化剂用于制备熔体流动速率高的聚丙烯均聚物或无规共聚物的用途
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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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