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Compositions of polypropylene and copolymers of ethylene / a - olefin and their application to the manufacture of yarns oriented mono- -
Compositions of polypropylene and copolymers of ethylene / a - olefin and their application to the manufacture of yarns oriented mono- -
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机译:聚丙烯和乙烯/α-烯烃共聚物的组成及其在纱线取向单-丙纶生产中的应用
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摘要
A combination of at least one propylene polymer and at least one ethylene/ alpha -olefin copolymer wherein the combination comprises: (a) 10 to 40 weight percent isotactic polypropylene; and (b) 60 to 90 weight percent ethylene/ alpha -olefin copolymer, wherein said alpha -olefin has at least 4 carbon atoms, and wherein said copolymer has a density between 0.905 and 0.940 g/cm3 and a melt index between 0.2 and 3 dg/min. Application to the manufacture of mono-oriented yarns.
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机译:至少一种丙烯聚合物和至少一种乙烯/α-烯烃共聚物的组合,其中所述组合包括:(a)10至40重量%的全同立构聚丙烯; (b)60-90重量%的乙烯/α-烯烃共聚物,其中所述α-烯烃具有至少4个碳原子,并且其中所述共聚物的密度为0.905至0.940g / cm 3,熔体指数为0.2至3。 dg /分钟应用于制造单向纱线。
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