Enhanced Self-bonding Blending Electrospun Nanofiber Membrane

Yan-bo LIU; Dong-yue QI; Wei-ya CHEN; Guo-wen SONG

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Enhanced Self-bonding Blending Electrospun Nanofiber Membrane

更新时间：2022-09-18

- Enhanced Self-bonding Blending Electrospun Nanofiber Membrane
- Polymer Bulletin Vol. 27, Issue 11, Pages: 77-82(2014)
- 作者机构：
  
  1.天津工业大学纺织学部，天津　300387
  2.天津工业大学教育部先进纺织复合材料重点实验室，天津　300387
  3.Department of Human Ecology, University of Alberta, Canada T6G 2R3
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2014-11，
  
  Received：13 August 2013，
  
  Revised：30 October 2013，
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Yan-bo LIU, Dong-yue QI, Wei-ya CHEN, Guo-wen SONG. Enhanced Self-bonding Blending Electrospun Nanofiber Membrane. [J]. Polymer Bulletin 27(11):77-82(2014)
DOI：

Yan-bo LIU, Dong-yue QI, Wei-ya CHEN, Guo-wen SONG. Enhanced Self-bonding Blending Electrospun Nanofiber Membrane. [J]. Polymer Bulletin 27(11):77-82(2014) DOI：

摘要

静电纺丝纳米纤维膜具有孔隙率高、孔径小、透气性好等优良性能。但由于纤维太细，且纤维间没有有效的粘结，其强度较低，严重限制了它的应用。本文采用高/低熔点热熔性的两种高聚物进行混合静电纺丝，制备了聚丙烯腈/聚偏氟乙烯-六氟丙烯(PAN/PVDF-HFP)、聚偏氟乙烯/聚偏氟乙烯-六氟丙烯(PVDF/ PVDF-HFP)复合纳米纤维膜，并通过110℃、3MPa、5min的热压后处理，使PVDF-HFP部分熔融，制得具有点粘结的增强复合纳米纤维膜。测试结果显示，较处理前，增强PAN/PVDF-HFP、PVDF/PVDF-HFP复合纳米纤维膜的拉伸断裂强度分别提高了 923. 1%和 665. 7%，达到17. 8MPa和26. 9MPa，且同时保留了优良的孔隙率与透气性能。

Abstract

Electrospun nanofibrous membranes(ENMS) have a lot of impressive properties

such as high porosity with small pore size. However

widespread adoption of these materials has been hindered by its poor mechanical strength

which caused by the small diameter and lack of effective junction point between fibers. In this study

a post-treatment was demonstrated to the PAN/PVDF-HFP and PVDF/PVDF-HFP composite ENMS made by blending eletrospinning with a thermostable polymer and low melting temperature polymer. The post-treatment involves a 5min thermal calendering process with a pressures of 3MPa under 110℃. During the treatment

the low melting temperature polymer melted partially to form point bonding

bond the nanofibers together. The experimental results showed that the strength of enhanced PAN/ PVDF-HFP and PVDF/PVDF-HFP composite ENMS was 923. 1% and 665. 7% higher than that before treatment

reaching 17. 8MPa and 26. 9MPa

respectively

meanwhile the high porosity of ENMS have also been kept.

关键词

混合静电纺丝热压处理点粘结力学性能增强纳米纤维膜

Keywords

Blending eletrospinningThermal calendering processPoint bondingMechanical propertiesEnhanced nanofibrous membranes

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