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Compositions comprising grafted and crosslinked LLDPE's, Methods for making same, and articles made therefrom
Compositions comprising grafted and crosslinked LLDPE's, Methods for making same, and articles made therefrom
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机译:包含接枝和交联的LLDPE的组合物,其制备方法以及由此制得的制品
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摘要
The present invention relates to polymer compositions comprising a grafted and at least partially crosslinked mLLDPE that is the reaction product of: (i) a mLLDPE having a density from 0.910 g/cm3 to less than 0.940 g/cm3 and an I2 from 0.7 dg/min to 5.0 dg/min; (ii) a silicon-containing grafting component; and (iii) a crosslinking agent, wherein the composition exhibits a die shrinkage upon extrusion that is at least 10% lower than the composition, prior to grafting and crosslinking of the mLLDPE. These compositions can optionally be blended with HDPE. The compositions can also comprise at least one layer of a film, e.g., made via extrusion.
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机译:本发明涉及包含接枝的且至少部分交联的mLLDPE的聚合物组合物,所述mLLDPE是以下的反应产物:(i)密度为0.910g / cm 3〜小于0.940g / mL的mLLDPE。 cm 3 Sup>和I 2 Sub>从0.7 dg / min到5.0 dg / min; (ii)含硅的接枝组分; (iii)交联剂,其中在mLLDPE接枝和交联之前,所述组合物在挤出时表现出的模头收缩比所述组合物低至少10%。这些组合物可以任选地与HDPE共混。该组合物还可包含至少一层膜,例如通过挤出制成的。
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