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Process for increasing the melt strength of a polyethylene resin, a masterbatch composition and a polymeric composition
Process for increasing the melt strength of a polyethylene resin, a masterbatch composition and a polymeric composition
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机译:用于提高聚乙烯树脂,母料组合物和聚合物组合物的熔体强度的方法
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摘要
A process for increasing the melt strength of a polyethylene resin comprising a) selecting a polyethylene resin having i) a density, as determined according to ASTM D792, in the range of from 0.865 g/cm3 to 0.97 g/cm3, and ii) a melt index, I2, as determined according to ASTM D1238 (2.16 kg, 190° C.), in the range of from 0.01 g/10 min to 100 g/10 min; b) reacting from 10 ppm to 1000 ppm of at least one peroxide having a 1 hour half-life decomposition temperature from 160° C. to 250° C. with the polyethylene resin under conditions sufficient to increase the melt strength of the polyethylene resin is provided. Also provided are a masterbatch composition and a polymeric composition.
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机译:一种提高聚乙烯树脂的熔体强度的方法,包括:a)选择具有i)密度的聚乙烯树脂,该密度根据ASTM D792确定为0.865 g / cm 3 Sup>至0.97 g / cm 3 Sup>,和ii)根据ASTM D1238(2.16 kg,190°C)测定的熔体指数I 2 Sub> 0.01 g / 10分钟至100 g / 10分钟; b)在足以增加聚乙烯树脂的熔体强度的条件下,使10ppm至1000ppm的具有1小时半衰期分解温度为160℃至250℃的至少一种过氧化物与聚乙烯树脂反应为:提供。还提供了母料组合物和聚合物组合物。
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