Preparation and Characterization of EVOH Nanofiber and Nanofiber Membrane

Ke-ying ZHU; Guan-biao XU; Dan-dan XU; Si-yu XU; Ru XIAO

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Preparation and Characterization of EVOH Nanofiber and Nanofiber Membrane

更新时间：2022-09-18

- Preparation and Characterization of EVOH Nanofiber and Nanofiber Membrane
- Polymer Bulletin Vol. 26, Issue 10, Pages: 156-163(2013)
- 作者机构：
  
  纤维材料改性国家重点实验室，东华大学材料学院与工程学院，上海　201620
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2013-10，
  
  Received：31 July 2013，
  
  Revised：07 August 2013，
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Ke-ying ZHU, Guan-biao XU, Dan-dan XU, Si-yu XU, Ru XIAO. Preparation and Characterization of EVOH Nanofiber and Nanofiber Membrane. [J]. Polymer Bulletin 26(10):156-163(2013)
DOI：

Ke-ying ZHU, Guan-biao XU, Dan-dan XU, Si-yu XU, Ru XIAO. Preparation and Characterization of EVOH Nanofiber and Nanofiber Membrane. [J]. Polymer Bulletin 26(10):156-163(2013) DOI：

摘要

利用熔融纺丝相分离行为制备乙烯-乙烯醇共聚树脂(EVOH)纳米纤维

并利用湿法成网的方法制备EVOH纳米纤维膜

分析表征了EVOH纳米纤维的形态、结构、结晶性能及纤维膜的形态、孔隙率、孔径大小和分布、比表面积等。结果表明:乙烯-乙烯醇共聚树脂/乙酸丁酸纤维素酯(EVOH/CAB)经双螺杆熔融挤出去除CAB后所制备的EVOH纳米纤维平均直径为162~260nm

加工条件和方法对EVOH的结构和结晶性能没有明显影响。随着纤维膜厚度增加

EVOH纳米纤维膜的孔径减小、孔径分布变窄;随着纳米纤维制备过程中EVOH/CAB体系中EVOH含量增大

EVOH纳米纤维直径增大

其功能膜的孔隙率增大、比表面积减小。

Abstract

In this paper

Polyethylene-co-polyvinyl(EVOH) nanofibers were successfully prepared by melt extrusion of immiscible blends. Then the EVOH nanofiber membranes were prepared by wet-laid process. The morphology

crystallization properties of EVOH nanofibers and morphology

porosity

pore size and pore size distribution of EVOH nanofiber membranes were analyzed. The results showed that the average diameter of EVOH nanofibers were around 162-260nm

the processing conditions and method had no significant effect on the structure and crystallization properties of EVOH nanofiber. The pore size and pore size distribution of EVOH nanofiber membranes increased and narrowed with the increasing of thickness of nanofiber membrane respectively. As the increased of EVOH of EVOH/CAB system during the preparation of nanofibers

diameter of nanofibers and porosity of nanofiber membranes increased

however

the specific surface area of nanofiber membrane decreased.

关键词

乙烯-乙烯醇共聚树脂(EVOH)纳米纤维纳米纤维膜孔径分布比表面积

Keywords

Polyethylene-co-polyvinyl(EVOH)NanofiberNanofiber membranePore size distributionSpecific surface area

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