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Effect of surface pre-treatment on the hydrophilicity and adhesive properties of multilayered laminate used for lithium battery packaging

机译：表面预处理对用于锂电池包装的多层层压板的亲水性和粘合性能的影响

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摘要

The surface of aluminum foil was treated using silane coupling agent and chromate-phosphate conversion solution respectively, then a flexible laminate consisting of five layers was prepared using polypropylene film as inner sealant layer and epoxy resin as adhesive between polypropylene film and aluminum foil. The surface morphology and composition of the foil after treatment were characterized by scanning electron microscopy (SEM), energy dispersive spectroscopy (EDS) and attenuated total reflection Fourier transform infrared spectroscopy (ATR-FTIR), and the hydrophilicity of the foil was evaluated by contact angle measurement (CAM). The adhesive strength between the aluminum foil and polypropylene film, and the heat sealing strength of polypropylene film were measured by tensile tester, their dependences on the surface treatments were further investigated. It can be concluded that the adhesive strength and heat sealing strength depend on not only the hydrophilicity, but also the morphology of the foil surface. The rough and porous surface of the treated foil can enhance both the adhesive strength and heat sealing strength.
机译：分别用硅烷偶联剂和铬酸盐-磷酸盐转化溶液处理铝箔表面，然后以聚丙烯膜为内密封层，环氧树脂为聚丙烯膜与铝箔之间的粘合剂，制备了由五层组成的柔性层压板。通过扫描电子显微镜（SEM），能量色散光谱（EDS）和衰减全反射傅立叶变换红外光谱（ATR-FTIR）表征处理后的箔的表面形态和组成，并通过接触评估箔的亲水性角度测量（CAM）。用拉伸试验机测定了铝箔与聚丙烯膜的粘合强度以及聚丙烯膜的热合强度，进一步研究了它们对表面处理的依赖性。可以得出结论，粘合强度和热封强度不仅取决于亲水性，还取决于箔片表面的形态。处理过的箔的粗糙且多孔的表面可以提高粘合强度和热封强度。

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  • 来源
    《Applied Surface Science》 |2013年第1期|337-342|共6页
  • 作者

    F.Xia; S.A.Xu;

  • 作者单位

    Shanghai Key Laboratory of Advanced Polymeric Materials, Key Laboratory for Ultrafine Materials of Ministry of Education, School of Materials Science and Engineering,East China University of Science and Technology, Shanghai 200237, China;

    Shanghai Key Laboratory of Advanced Polymeric Materials, Key Laboratory for Ultrafine Materials of Ministry of Education, School of Materials Science and Engineering,East China University of Science and Technology, Shanghai 200237, China;

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  • 原文格式 PDF
  • 正文语种 eng
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  • 关键词

    surface pre-treatment; aluminum foil; multilayered laminate; adhesive strength;

    机译：表面预处理;铝箔;多层层压板;粘合强度;

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