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首页> 外文期刊>Polymer-Plastics Technology and Engineering >Effect of Fiber Content, Fiber Length and Alkali Treatment on Properties of Kenaf Fiber/UPR Composites Based on Recycled PET Wastes
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Effect of Fiber Content, Fiber Length and Alkali Treatment on Properties of Kenaf Fiber/UPR Composites Based on Recycled PET Wastes

机译：纤维含量，纤维长度和碱处理对基于再生PET废料的红麻纤维/ UPR复合材料性能的影响

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Kenaf fibers were mixed with unsaturated polyester resin (UPR), which was prepared by recycling of polyethylene therephthalate (PET) waste bottles. Grinded PET waste bottles were subjected to recycle by glycolysis which was used to prepare unsaturated polyester resin. The resin was then mixed with kenaf fibers in two different lengths (2.5 and 5Â mm) at different fiber loading (2.5 and 5Â phr of kenaf in UPR resin). The effects of fiber content, fiber size and surface treatment on the mechanical properties, density and water absorption of the composite were studied. The SEM and FTIR analysis were used to analyse the influence of alkali treatment on fibers and interfacial interaction between fibers and matrix. The results show that the optimum values of the stiffness properties and impact strength is at 2.5Â phr, whereas tensile strength decreases with increasing fiber content. The length of fiber played a significant role in some of the mechanical properties of the composites with 5Â mm fiber length has higher mechanical properties than 2.5Â mm length. The results also showed that alkali treatment causes a better adhesion between the fiber and UPR matrix and improves the mechanical properties of the composites. Furthermore, surface treatment reduced the water absorption of composites.View full textDownload full textKeywordsComposite, Lkali treatment, Natural fiber, Pet recycling, UPRRelated var addthis_config = { ui_cobrand: "Taylor & Francis Online", services_compact: "citeulike,netvibes,twitter,technorati,delicious,linkedin,facebook,stumbleupon,digg,google,more", pubid: "ra-4dff56cd6bb1830b" }; Add to shortlist Link Permalink http://dx.doi.org/10.1080/03602559.2012.659314
机译：将红麻纤维与不饱和聚酯树脂（UPR）混合，后者是通过回收聚对苯二甲酸乙二醇酯（PET）废液瓶制备的。磨碎的PET废液瓶通过糖酵解进行回收，该糖酵解用于制备不饱和聚酯树脂。然后，将树脂与洋麻纤维以两种不同的长度（2.5和5毫米）在不同的纤维负载（UPR树脂中的洋麻2.5和5 phr）混合。研究了纤维含量，纤维尺寸和表面处理对复合材料力学性能，密度和吸水率的影响。 SEM和FTIR分析用于分析碱处理对纤维以及纤维与基质之间的界面相互作用的影响。结果表明，刚度性能和冲击强度的最佳值为2.5 phr，而拉伸强度随纤维含量的增加而降低。纤维的长度在5 mm纤维长度的复合材料的机械性能比2.5 mm长度更高的复合材料的某些机械性能中起着重要作用。结果还表明，碱处理使纤维与UPR基体之间具有更好的粘合性，并改善了复合材料的机械性能。此外，表面处理降低了复合材料的吸水率。查看全文下载全文关键字Lkali处理，天然纤维，宠物回收，UPR相关的var addthis_config = {ui_cobrand：“ Taylor＆Francis Online”，services_compact：“ citeulike，netvibes，twitter，technorati ，delicious，linkedin，facebook，stumbleupon，digg，google，more“，发布编号：” ra-4dff56cd6bb1830b“};添加到候选列表链接永久链接http://dx.doi.org/10.1080/03602559.2012.659314

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