不同长径比PET纤维对纸基复合材料强度性能的影响

发布时间：2018-03-08 23:31

本文选题：PET纤维　切入点：纸基复合材料　出处：《中国造纸》2017年10期 　论文类型：期刊论文

【摘要】：采用不同长径比的聚对苯二甲酸乙二醇酯(PET)纤维与棉浆纤维混合成形,通过水相复配,利用氢键作用和机械交织力制备纸基复合材料。借助PET纤维的刚性和优异的力学性能增强纸基复合材料的强度性能。结果表明,在不同长径比PET纤维中,PET-c的屈服强度最高,为300.99MPa,其长径比为392.16,近似为棉浆纤维长径比的10倍;PET纤维对纸基复合材料的强度性能有明显提升作用,其中当PET-c的用量为10%时,纸基复合材料的撕裂度、抗张强度、耐折度分别提高42.11%、31.05%、21.85%。纸张拉伸或耐折断裂面扫描电子显微镜(SEM)图显示,PET纤维没有发生断裂或折断,而是被抽出或弯折,表明在受到外力破坏时,PET纤维能够增强纸基复合材料的强度,对纸基复合材料起到有效的保护作用。
[Abstract]:Poly (ethylene terephthalate) (PET) fiber with different aspect ratio was mixed with cotton pulp fiber. The paper matrix composites were prepared by hydrogen bonding and mechanical interleaving force. The strength properties of paper matrix composites were enhanced by the rigidity and excellent mechanical properties of PET fibers. The results showed that the yield strength of PET-c was the highest in PET fibers with different aspect ratios. The ratio of length to diameter is 392.16, and the ratio of length to diameter is 392.16. The tenacity and tear strength of the paper matrix composites are obviously improved when the content of PET-c is 10 when the ratio of length to diameter of cotton pulp fiber is about 10 times. The tensile or flexural surface scanning electron microscopy (SEM) shows that the PET fiber is not broken or broken, but is drawn out or bent. It is shown that PET fiber can enhance the strength of paper matrix composites and play an effective role in protecting paper matrix composites.
【作者单位】：陕西科技大学陕西省造纸技术及特种纸品开发重点实验室中国轻工业纸基功能材料重点实验室轻化工程国家级实验教学示范中心;天津中钞纸业有限公司;
【基金】：陕西省重大专项项目(2015KTCQ01-44) 陕西省造纸技术及特种纸品重点实验室项目(12JS024)
【分类号】：TB332;TS71

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