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HIGH MELT POLYPROPYLENE AND EXTRUSION METHOD FOR PRESERVING MELT DURABILITY
HIGH MELT POLYPROPYLENE AND EXTRUSION METHOD FOR PRESERVING MELT DURABILITY
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机译:高熔体聚丙烯和保持熔体耐久性的挤出方法
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摘要
A method of melt blending a polypropylene and the melt blended polypropylene therefrom, comprising providing a base-polypropylene having a MFR of less than 15 g/10 min and a molecular weight distribution (Mw/Mn) within the range from 5 to 16, and comprising hindered phenol and phosphorous-type antioxidants, and within the range from 5 ppm to 4000 ppm of an alkyl radical scavenger relative to the total weight of the components to form a melt blended polypropylene; melt blending the melt blended polypropylene at a temperature of at least 210° C.; and isolating a melt blended, melt blended polypropylene.
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