Influence of non-woven antistatic substrate materials on polyvinylidene fluoride electrospun nanofibers: fabrication, characterization, and performance evaluation

IF 2.4 3区化学 Q3 POLYMER SCIENCE

Iranian Polymer Journal Pub Date : 2024-04-09 DOI:10.1007/s13726-024-01312-x

Venkata Dinesh Avvari, D. Kimmer, Santosh Kumar Sahu, Vasavi Boggarapu, Petr Slobodian, T. Pavan Rahul, Mahesh Gotte, P. S. Rama Sreekanth

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Abstract

The production of nanofibers holds significant importance in both laboratory-based research and industrial applications. This study employed multiple spinnerets in the process of electrospinning to produce polyvinylidene fluoride (PVDF) nanofibers, which exhibited a desirable characteristic of being both thin and uniform. The spinning performance of multiple jet electrospinning was done. In addition, an examination was conducted to assess the impact of antistatic non-woven support materials on the fiber morphology of PVDF electrospun nanofibers. The morphology and β-phase (beta phase) of the electrospun nanofibers were analyzed using characterization techniques, such as scanning electron microscopy (SEM) and Fourier transform infrared spectroscopy (FTIR). The findings of the study indicate that the selection of antistatic non-woven support material had a notable impact on fiber morphology. Upon the utilization of various suitable substrate materials, polyethylene terephthalate (PET) contributed to the successful formation of well-structured and consistent nanofibers with a lesser diameter of 173 ± 38 nm, 92.8% β-fraction and a surface area of 12.99 m²/g. The laminating temperature and density of the fiber decreased the porosity and air permeability by 50%. The excellent flux recovery of 400 L/(m² h) on the nanofibers laminated at 130 °C of pore size of 0.54 µm even after dried and stored for 48 h at room temperature. A finite-element analysis (FEA) was conducted on computer-aided design (CAD) fiber structure, and results showed that at low pressure of 0.01 N, a max of 130.29 MPa stress was generated on fibers.

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无纺抗静电基底材料对聚偏氟乙烯电纺纳米纤维的影响：制造、表征和性能评估

纳米纤维的生产在实验室研究和工业应用中都具有重要意义。本研究在电纺丝过程中采用多喷丝板生产聚偏二氟乙烯（PVDF）纳米纤维，这种纤维具有既细又均匀的理想特性。对多喷嘴电纺丝的纺丝性能进行了研究。此外，还研究了抗静电无纺支撑材料对 PVDF 电纺纳米纤维形态的影响。利用扫描电子显微镜（SEM）和傅立叶变换红外光谱（FTIR）等表征技术分析了电纺纳米纤维的形态和β相（β相）。研究结果表明，抗静电无纺支撑材料的选择对纤维形态有显著影响。在使用各种合适的基底材料后，聚对苯二甲酸乙二醇酯（PET）成功地形成了结构良好且一致的纳米纤维，其直径较小，为 173 ± 38 nm，β-分率为 92.8%，表面积为 12.99 m2/g。纤维的层压温度和密度使孔隙率和透气性降低了 50%。在 130 °C 下层压的孔径为 0.54 µm 的纳米纤维，即使在室温下干燥并存放 48 小时后，其通量回收率仍高达 400 L/(m2 h)。对计算机辅助设计（CAD）纤维结构进行了有限元分析，结果表明，在 0.01 N 的低压下，纤维上产生的最大应力为 130.29 MPa。

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来源期刊

Iranian Polymer Journal 化学-高分子科学

CiteScore

4.90

自引率

9.70%

发文量

107

审稿时长

2.8 months

期刊介绍： Iranian Polymer Journal, a monthly peer-reviewed international journal, provides a continuous forum for the dissemination of the original research and latest advances made in science and technology of polymers, covering diverse areas of polymer synthesis, characterization, polymer physics, rubber, plastics and composites, processing and engineering, biopolymers, drug delivery systems and natural polymers to meet specific applications. Also contributions from nano-related fields are regarded especially important for its versatility in modern scientific development.