多孔涤纶的制备工艺及性能  

Preparation Technology and Properties of Porous Polyester Fiber

作　　者：丁玎 吴倩 王新[1,2] 王进美 DING Ding;WU Qian;WANG Xin;WANG Jin-mei(School of Textile Science and Engineering,Xi'an Polytechnic University,Xi'an 710048,Shaanxi,China;State Key Laboratory of Intelligent Textile Materials and Products(Cultivation),Xi'an Polytechnic University,Xi'an 710048,Shaanxi,China)

机构地区：[1]西安工程大学纺织科学与工程学院,陕西西安710048 [2]西安工程大学省部共建智能纺织材料与制品国家重点实验室(培育),陕西西安710048

出　　处：《合成纤维》2022年第1期4-8,18,共6页Synthetic Fiber in China

基　　金：中国纺织工业联合会科技指导性项目(2020043)。

摘　　要：为获得具有孔隙结构的涤纶,利用碱处理的方法将具有中空结构的涤纶浸入NaOH溶液中,通过NaOH对涤纶的水解作用在中空涤纶的表面产生刻蚀,从而形成多孔的纤维结构。分别考察了不同质量浓度、温度及浸渍时间条件下,所形成多孔纤维的形貌特征、孔隙率、力学性能及所制备织物的亲水性。结果表明,采用碱处理法能够有效地制备多孔涤纶,孔径呈微米级(150μm)、亚微米级(150 nm)的多尺度分布。最优的制备工艺参数为:NaOH溶液质量浓度200 g/L、温度70℃、浸渍时间1.5 h。In order to obtain polyester fibers with a pore structure,the polyester fibers with a hollow structure are immersed in NaOH solution by alkali treatment,and the surface of the hollow polyester fiber is etched by the hydrolysis of NaOH on the polyester,thereby forming a porous fiber structure.The morphological characteristics,porosity,mechanical properties and hydrophilicity of the fabric prepared under different mass concentration,temperature,and immersion time conditions were investigated.The results show that the alkali treatment method can effectively prepare porous polyester fibers with a multi-scale distribution of micro-level(150μm)and sub-micro-level(150 nm).The optimal preparation process parameters are NaOH solution concentration is 200 g/L,the temperature is 70℃ and the immersion time is 1.5 h.

关 键 词：涤纶 碱处理 多孔纤维 孔隙率 亲水性 

分 类 号：TQ342.21[化学工程—化纤工业]