首页> 外文期刊>Journal of Applied Polymer Science >Poly(ethylene terephthalate)/poly(ethylene glycol-co-1,3/1,4-cyclohexanedimethanol terephthalate)/clay nanocomposites: Effects of biaxial stretching
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Poly(ethylene terephthalate)/poly(ethylene glycol-co-1,3/1,4-cyclohexanedimethanol terephthalate)/clay nanocomposites: Effects of biaxial stretching

机译:聚对苯二甲酸乙二醇酯/聚乙二醇-co-1,3 / 1,4-环己烷二甲醇对苯二甲酸乙二醇酯/粘土纳米复合材料:双轴拉伸的影响

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摘要

In this study, we fabricated poly(ethylene terephthalate) (PET)/clay, PET/poly(ethylene glycol-co-1,3/1,4-cyclohexanedimethanol terephthalate) (PETG), and PET/PETG/clay nanocomposite plates and biaxially stretched them into films by using a biaxial film stretching machine. The tensile properties, cold crystallization behavior, optical properties, and gas and water vapor barrier properties of the resulting films were estimated. The biaxial stretching process improved the dispersion of clay platelets in both the PETG and PET/PETG matrices, increased the aspect ratio of the platelets, and made the platelets more oriented. Thus, the tensile, optical, and gas-barrier properties of the composite films were greatly enhanced. Moreover, strain-induced crystallization occurred in the PET/PETG blend and in the amorphous PETG matrix. (c) 2015 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2015, 132, 42207.
机译:在这项研究中,我们制造了聚对苯二甲酸乙二醇酯(PET)/粘土,PET /聚乙二醇对苯二甲酸1,3 / 1,4-环己烷二甲醇对苯二甲酸酯(PETG)和PET / PETG /粘土纳米复合板,通过使用双轴薄膜拉伸机将它们双轴拉伸成薄膜。估计所得膜的拉伸性能,冷结晶行为,光学性能以及气体和水蒸气阻挡性能。双轴拉伸过程改善了粘土血小板在PETG和PET / PETG基质中的分散性,增加了血小板的长径比,并使血小板更加定向。因此,大大增强了复合膜的拉伸,光学和阻气性能。此外,在PET / PETG共混物中和无定形PETG基质中发生了应变诱导的结晶。 (c)2015 Wiley Periodicals,Inc. J. Appl。 Polym。科学2015,132,42207。

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