新材料与新技术

PET夜光纤维中SrAl2O4∶Eu2+,Dy3+的回收及发光性能研究

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  • 1.江南大学纺织科学与工程学院,无锡214122;
    2.江苏省纺织工程学会,无锡214122
俞沁岑(1996-),女,硕士研究生,主要研究方向为稀土长余辉发光材料及其纤维制品,E-amil:543869959@qq.com。

收稿日期: 2020-05-19

  修回日期: 2021-06-18

  网络出版日期: 2021-09-30

基金资助

生态纺织教育部重点实验室且标注项目——中央高校基本科研业务费专项资金(JUSRP52007A);重点科技研发计划项目——社会发展(S201915)

Study on the luminescence of SrAl2O4∶Eu2+,Dy3+ materials recovered from luminescent polyester fiber

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  • 1. College of Textile Science and Engineering,Jiangnan University,Wuxi 214122;
    2. Jiangsu Textile Engineering Society,Wuxi 214122

Received date: 2020-05-19

  Revised date: 2021-06-18

  Online published: 2021-09-30

摘要

为探究SrAl2O4∶Eu2+,Dy3+稀土发光材料循环再生利用的可行性,以废弃夜光聚酯(PET)长丝作为原材料,采用乙二醇醇解法降解夜光PET长丝。回收夜光纤维中的发光材料SrAl2O4∶Eu2+,Dy3+。并通过改变催化剂(乙酸锌)的用量,探究催化剂含量对回收夜光纤维中发光材料性能的影响。利用扫描电镜、X射线衍射仪、荧光余辉亮度测试仪和荧光光谱仪对夜光纤维中回收得到的发光材料的表面形貌和发光性能进行分析与表征。结果表明:发光材料的X射线衍射峰与PDF卡片基本一致,纺丝和降解过程不影响发光材料的光色特性和余晖衰减规律;当催化剂添加质量为0.5%时,回收得到的夜光粉纯度为91.67%,初始余晖亮度达到4.0891cd/m2

本文引用格式

俞沁岑, 魏新, 朱亚楠, 葛明桥 . PET夜光纤维中SrAl2O4∶Eu2+,Dy3+的回收及发光性能研究[J]. 化工新型材料, 2021 , 49(9) : 130 -134 . DOI: 10.19817/j.cnki.issn 1006-3536.2021.09.028

Abstract

In order to explore the feasibility of recycling SrAl2O4∶Eu2+,Dy3+ rare earth light-emitting materials,using waste luminous polyester fibers as raw materials,glycol alcohol hydrolysis was used to degrade the luminous polyester fibers.By changing the amount of zinc acetate catalyst,the effect of the amount of catalyst on the alcoholysis reaction and the properties of luminous powder was analyzed.And then scanning electron microscopy,X-ray diffractometer,fluorescence afterglow brightness tester and radiation spectrum analyzer were used to analyze and characterized the surface morphology and luminous properties of luminous powder.The results shown that the spinning and degradation process had little impact on the fluorescence performance and afterglow decay laws.When the catalyst addition amount was 0.5wt%,the recycled luminous powder had the best purity of 91.67%,and the initial afterglow brightness reached 4.0891cd/m2.

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