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Low-density ethylene-based polymers with broad molecular weight distributions and low extractables content
Low-density ethylene-based polymers with broad molecular weight distributions and low extractables content
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机译：具有宽分子量分布和低可萃取物含量的低密度乙烯基聚合物
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摘要
An ethylene-based polymer comprising the following properties: a) a melt index (I2) = 2.0 dg / min; b) a ratio of G '(a G "= 500 Pa, 170ºC) versus I2: G' = C + D (I2), where C = 127.5 Pa and D = - 1.25 Pa / (dg / min); c) a ratio of extractables in chloroform (Clext) versus G ': Clext. = E + FG', where E = 0.20% by weight and F = 0.060% by weight / Pa; and d) a "weight fraction (p) of molecular weight greater than 106 g / mol, based on the total polymer weight, and as determined by CEM (abs)," that meets the following relationship: p I + J (I2 ), where I = 0.080 and J = -4.00 x 10-3 min / dg.
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机译：一种基于乙烯的聚合物，其具有以下性能：a）熔体指数（I2）≥2.0dg/ min; b）G'（a G“ = 500 Pa，170ºC）与I2之比：G'> = C + D（I2），其中C = 127.5 Pa，D =-1.25 Pa /（dg / min）; c ）氯仿（Clext）中可萃取物与G'：Clext的比率。<= E + FG'，其中E = 0.20重量％，F = 0.060重量％/ Pa;和d）“重量分数（p）分子量大于106 g / mol，基于总聚合物重量，并且由CEM（abs）确定，”满足以下关系：p 展开▼
