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HIGH-PROCESSABILITY HIGH-DENSITY ETHYLENE-BASED POLYMER USING HYBRID SUPPORTED METALLOCENE CATALYST, AND PREPARATION METHOD THEREFOR
HIGH-PROCESSABILITY HIGH-DENSITY ETHYLENE-BASED POLYMER USING HYBRID SUPPORTED METALLOCENE CATALYST, AND PREPARATION METHOD THEREFOR
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机译:混合支撑茂金属催化剂的高加工性高密度乙烯基聚合物及其制备方法
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摘要
The present invention relates to a high-density ethylene-based polymer comprising an ethylene homopolymer or a copolymer of ethylene and at least one comonomer selected from the group consisting of an α-olefin, a cyclic olefin, and a straight, branched and cyclic diene. According to the present invention, the high-density polyethylene resin has a wide molecular weight distribution and excellent comonomer distribution characteristics, has excellent melt flowability due to a long chain branched structure, and has excellent mechanical characteristics since the comonomer distribution is concentrated in a high-molecular-weight body. The high-density ethylene polymer of the present invention has excellent molding processability during processing such as extrusion, compression, injection and rotational molding by having excellent mechanical characteristics and melt flowability.
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