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In-Mould Gel-Coating for polymer composites

机译:聚合物复合材料的模内凝胶涂料

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摘要

Surface coatings (gel-coats) are often used on commercial composite mouldings for cosmetic and/or durability reasons. They have traditionally been prepared in open moulds with styrene vapour allowed to escape to the workspace and environment. This paper considers the development of in-mould gel-coating processes. A Double Glass Plate Mould (DGPM) was used to prepare flat composite test panels. Laminates were manufactured by liquid composite moulding processes. Conventional hand painted gel-coat, innovative In-Mould Gel-Coating with a trilayer separator fabric (IMGC) or In-Mould Surfacing with a silicone shim (IMS) were studied. The surface quality of the final products was measured using a Wave-Scan device while the adhesion of the gel-coat was characterised by pull-off tests. The new processes offer reasonable properties in a cleaner, more controlled process.
机译:由于化妆品和/或耐久性的原因,表面涂层(凝胶涂层)通常用于商业复合模制品。传统上,它们是在敞口模具中制备的,允许苯乙烯蒸气逸出到工作区和环境中。本文考虑了模内凝胶涂层工艺的发展。使用双玻璃板模具(DGPM)制备平坦的复合材料测试板。层压板通过液体复合成型工艺制造。研究了传统的手绘凝胶涂料,具有三层隔板织物的创新型模内凝胶涂料(IMGC)或具有有机硅垫片的模内贴面(IMS)。最终产品的表面质量使用Wave-Scan设备进行测量,而凝胶涂层的附着力则通过拉拔测试进行表征。新工艺以更清洁,更可控的工艺提供合理的性能。

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  • 作者

    Gombos ZJ; Summerscales J;

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  • 年度 2016
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  • 原文格式 PDF
  • 正文语种 en
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