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首页> 外文期刊>JCT research >Correlating thermodynamic and mechanical adhesion phenomena for thermoplastic polyolefins
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Correlating thermodynamic and mechanical adhesion phenomena for thermoplastic polyolefins

机译:热塑性聚烯烃的热力学和机械粘附现象相关

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摘要

Polyolefins are used over a wide range of industries due to their low cost and adaptable mechanical properties. However, their low surface energy makes fabricating composites and applying coatings challenging. Therefore, various surface treatments have been utilized to enhance their adhesion properties. In this paper, the surface energies of various thermoplastic polyolefins (TPO) have been measured via Inverse Gas Chromatography (IGC). These surface energy values were correlated to mechanical adhesion testing of the painted polyolefins. The adhesive integrity of the painted TPO was determined by applying a comprehensive-shear load to the material. Higher surface energies measured by IGC lead to increased adhesion with the paint. The surface energies also correlate with TPO crystallinity, as determined by microhardness testing of the unpainted TPO.
机译:聚烯烃由于其低成本和适应性强的机械性能而被广泛用于各种行业。然而,它们的低表面能使制造复合材料和施加涂料具有挑战性。因此,已经利用各种表面处理来增强它们的粘合性能。在本文中,已通过逆气相色谱法(IGC)测量了各种热塑性聚烯烃(TPO)的表面能。这些表面能值与涂漆的聚烯烃的机械粘合力测试相关。涂漆的TPO的粘合完整性是通过对材料施加全面的剪切载荷来确定的。通过IGC测量的较高的表面能会导致与油漆的附着力增加。表面能还与TPO的结晶度相关,这是通过未涂漆的TPO的显微硬度测试确定的。

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