阅读说明：本技术 可热收缩的聚乙烯膜 (Heat shrinkable polyethylene film ) 是由 P-J·古森斯 T·库农 于 2020-04-15 设计创作，主要内容包括：可热收缩膜包含至少一个层,其由包含原始的第一聚合物组合物和至少20wt％的再生的第二聚合物组合物的聚合物共混物制成。所述第一聚合物组合物包含至少50wt％的乙烯和至少一种具有5-20个碳原子的α-烯烃的聚合物(a1),该聚合物(a1)的密度是0.918-0.945g/cm～(3),熔体指数是0.1-2.5g/10min,熔体指数比是25-80,组成分布宽度指数是至少70％,和平均模量(M)是20000-60000psi。所述第二聚合物组合物不同于所述第一聚合物组合物,其熔体指数(I-(2.16))是0.1-2.5g/10min和包含至少30wt％的密度为0.910-0.940g/cm～(3)的乙烯均聚物(b1)。(The heat shrinkable film comprises at least one layer made from a polymer blend comprising an original first polymer composition and at least 20 wt% of a regenerated second polymer composition. The first polymer composition comprises at least 50% by weight of a polymer (a1) of ethylene and at least one alpha-olefin having from 5 to 20 carbon atoms, the polymer (a1) having a density of from 0.918 to 0.945g/cm 3 The melt index is 0.1-2.5g/10min, the melt index ratio is 25-80, the composition distribution breadth index is at least 70%, and the average modulus (M) is 20000-. The second polymer composition is different from the first polymer composition in melt index (I) 2.16 ) Is 0.1-2.5g/10min and contains at least 30 wt% of a density of 0.910-0.940g/cm 3 The ethylene homopolymer (b 1).)