烟用滤棒二醋酸纤维素的回收及静电纺丝研究Recycling and electrospinning process of cellulose diacetate from waste cigarette filter tip
沈靖轩;肖维毅;李景权;尧珍玉;
摘要(Abstract):
为实现废弃烟用滤棒中有用资源的回收和利用,对废弃烟用滤棒进行除杂、除纸、解纤、筛分处理,回收了其中的二醋酸纤维素,并采用静电纺丝方法制备了二醋酸纤维素膜,对纤维素膜的过滤性能及吸附性能进行了表征。结果表明:回收的二醋酸纤维素表面光滑,无机械损伤,单根纤维呈Y型,长度为3~10 mm的纤维素占纤维总量的62.34%,三醋酸甘油酯含量为6.11 mg/g;当纺丝液中二醋酸纤维素的质量分数为12%时,静电纺二醋酸纤维素膜中纤维表面光滑,粗细纤维相互缠结,纤维素膜的纯水通量为1.125×10~4L/(m~2·h),对卵清蛋白的截留率为48.7%,对分散红染料的吸附率为59.8%。
关键词(KeyWords): 烟用滤棒;二醋酸纤维素;回收利用;静电纺丝;过滤性能;吸附性能
基金项目(Foundation): 云南省科技型中小企业技术创新暨产业发展专项(2015XB041)
作者(Author): 沈靖轩;肖维毅;李景权;尧珍玉;
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DOI:
参考文献(References):
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