纺织学报 ›› 2024, Vol. 45 ›› Issue (03): 219-226.doi: 10.13475/j.fzxb.20221004802

• 综合述评 • 上一篇    下一篇

非溶相共混熔喷非织造技术的研究进展

秦子轩1, 张恒1(), 李晗1, 翟倩1, 甄琪2, 钱晓明3   

  1. 1.中原工学院 纺织学院, 河南 郑州 451191
    2.中原工学院 服装学院, 河南 郑州 451191
    3.天津工业大学 纺织科学与工程学院, 天津 300387
  • 收稿日期:2022-12-24 修回日期:2023-05-23 出版日期:2024-03-15 发布日期:2024-04-15
  • 通讯作者: 张恒
  • 作者简介:秦子轩(1996—),男,硕士生。主要研究方向为新型纤维材料的非织造成形技术及其评价方法。
  • 基金资助:
    国家自然科学基金项目(52003306);河南省高校科技创新人才支持计划资助项目(24HASTIT011);河南省高等学校重点科研项目(23A540003);河南省重大科技专项(231100320200)

Review on non-compatibility blend melt blowing nonwoven process

QIN Zixuan1, ZHANG Heng1(), LI Han1, ZHAI Qian1, ZHEN Qi2, QIAN Xiaoming3   

  1. 1. School of Textiles, Zhongyuan University of Technology, Zhengzhou, Henan 451191, China
    2. School of Fashion Technology, Zhongyuan University of Technology, Zhengzhou, Henan 451191, China
    3. School of Textile Science and Engineering, Tiangong University, Tianjin 300387, China
  • Received:2022-12-24 Revised:2023-05-23 Published:2024-03-15 Online:2024-04-15
  • Contact: ZHANG Heng

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摘要：

为明确非溶相共混熔喷非织造技术制备超细纤维材料过程中的微相分离机制,并进一步明晰超细纤维材料结构和性能的调控规律,挖掘熔喷非织造技术的产业化应用潜力,从非溶相共混熔喷机制出发,介绍了利用多种聚合物进行非溶相共混熔喷时的微相分离特点,综述了非溶相共混熔喷的聚合物匹配体系现状以及不同种类聚合物共混对超细纤维材料性能的影响,阐述了非溶相共混熔喷超细纤维材料的功能性应用形式和领域,最后探讨了非溶相共混熔喷目前存在问题及未来发展方向,以期为共混熔喷非织造技术制备超细纤维材料的进一步研究提供参考。

关键词: 熔喷, 非织造材料, 非溶相共混, 聚合物, 超细纤维

Abstract:

Significance Melt blowing method is a one-step preparation process for preparing microfibers nonwovens, which has attractive advantages of high production efficiency, low energy consumption, and low cost. The melt blown nonwovens show a diversified and functional application trend, such as medical protection, air filtration, and oil-water separation, owing to the increasing requirements of the good life. Blending modification is the main strategy to improve the performance of melt blown nonwovens, and the non-compatibility blend melt blowing nonwoven process using the raw materials of polymer with different solubility parameters, is an effective method of structure regulation, including adjusting the fiber diameter distribution and pore morphology, helps expand the application of microfibers materials. This is because the structure paraments of the microfiber materials are affected by the viscosity of the polymer melt and the phase separation during the melt blowing process. In addition, the phase separation is more obvious in the case of high-speed hot air drafting, because of the solubility parameter difference between components in the melt. However, to our best knowledge, there are limited reports about the review on the non-compatibility blend melt blowing nonwoven process. Thus, clarifying the phase separation mechanism and regulation rules of the microfiber material structure in the non-compatibility blend melt blowing nonwoven process help expand the industrialization of melt blowing nonwoven technology.

Progress Starting from the mechanism of non-soluble phase blending melt blowing, this paper presents that the blending system formed by different types of polymers is affected by the forces of each component between polymers during the melt blowing process, and the forces at different positions are different in the drawing process, thus enabling the formation of microfiber materials with large differences in fiber diameters. Thereafter, this paper reviews the performance enhancement of microfiber materials after using different types of polymer ratios. Firstly, the non-soluble phase blending of polymers with different ratios can enhance the toughness of the materials. Meanwhile, the melt blowing non-soluble phase blending can produce microfiber materials with large differences in fiber diameters, which can effectively enhance the filtration performance of the materials. In addition, inspired by the phase separation of components in melt blowing nonwoven materials, the removal of one of the components in the ultrafine fiber material can provide ideas for obtaining nanoscale ultrafine fiber materials. Finally, this paper reviews the functional application forms and fields of non-soluble phase co-blended melt blowing microfiber materials and discusses the current problems and future development directions of non-soluble phase co-blended melt blowing, in order to provide references for further research on the preparation of microfiber materials by co-blended melt blowing nonwovens technology.

Conclusion and Prospect Considerable efforts have been developed in the non-compatibility blend melt blowing nonwoven process. Selecting appropriate polymer types and proportions based on functional applications to form an effective polymer matching system for non-compatibility blend melt blowing nonwoven process are the main measures taken, despite a wide variety of polymers that can be used. The effective selection of raw material and process optimization during the non-compatibility blend melt blowing nonwoven process is not only good for obtaining large scale fiber diameters distribution, but also useful for gain a variety of micro/nano fiber network structures such as horizontal branching and three-dimensional embedding. Thus, toughness and filtration and separation capabilities of microfibers materials are improved. Besides, the combination of non-compatibility blend melt blowing process and etching process can selectively remove a certain component of the melt blown nonwovens, thereby a nanofiber network structure and rough groove morphology was obtained. However, the green, and effective one-step preparation process still needs further research. Although the functional application in the fields of toughness enhancement, filter materials and oil-water separation has been made, the further application in the fields of smart wearables, construction and energy still needs to develop.

Key words: melt blowing technology, nonwoven, non-compatibility blending, polymer, microfiber

中图分类号: 

  • TS176

图1

熔喷非织造技术的工艺原理图"

图2

非溶相共混熔喷非织造工艺"

图3

非溶相共混的相分布及其共混成形原理"

图4

非溶相共混熔喷制备的超细纤维材料"

图5

非溶相共混熔喷-刻蚀工艺原理及形貌"

图6

非溶相共混熔喷非织造技术的应用场景图"

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