首页> 外文期刊>Journal of Applied Polymer Science >Solubility of 1-hexene in LLDPE synthesized by (2-MeInd)(2)ZrCl2/MAO and by Mg(OEt)(2)/DIBP/TiCl4-TEA
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Solubility of 1-hexene in LLDPE synthesized by (2-MeInd)(2)ZrCl2/MAO and by Mg(OEt)(2)/DIBP/TiCl4-TEA

机译:(2-MeInd)(2)ZrCl2 / MAO和Mg(OEt)(2)/ DIBP / TiCl4-TEA合成的1-己烯在LLDPE中的溶解度

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The solubility of 1-hexene was measured for linear low-density polyethylenes (LLDPEs) produced over a heterogeneous Ziegler-Natta catalyst, Mg(OEt)(2)/DIBP/TiCl4-TEA (ZN), and over a homogeneous metallocene catalyst, (2-MeInd)(z)ZrCl2-MAO (MT). The 1-hexene solubility in LLDPEs was well represented by the Flory-Huggins equation with a constant value of chi. ZN-LLDPEs dissolved a larger amount of 1-hexene and thus showed a lower value of chi compared to MT-LLDPEs. The Flory-Huggins interaction parameter chi, or the solubility of 1-hexene at a given temperature and pressure, was suggested as a sensitive measure for the composition distribution of LLDPEs. (C) 2002 Wiley Periodicals, Inc. [References: 12]
机译:对于在异质齐格勒-纳塔催化剂Mg(OEt)(2)/ DIBP / TiCl4-TEA(ZN)和均相茂金属催化剂上生产的线性低密度聚乙烯(LLDPE),测量了1-己烯的溶解度, (2-MeInd)(z)ZrCl2-MAO(MT)。在LLDPE中的1-己烯溶解度可以通过Flory-Huggins方程很好地表示,具有恒定的chi值。与MT-LLDPE相比,Z​​N-LLDPE溶解了大量的1-己烯,因此显示出较低的chi值。建议将Flory-Huggins相互作用参数chi或1-己烯在给定温度和压力下的溶解度作为LLDPE组成分布的敏感指标。 (C)2002 Wiley Periodicals,Inc. [参考:12]

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