High strength and high breaking load of single electrospun polyimide microfiber from water soluble precursor

Xu, Hongyao; Jiang, Shaohua; Ding, Chenhui; Zhu, Yongmei; Li, Jinjiang; Hou, Haoqing

doi:10.1016/j.matlet.2017.05.019

Cited by 66 publications

(23 citation statements)

References 26 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Advanced techniques such as transmission electron microscope (TEM), atomic force microscope (AFM), and raman spectroscopy have been utilized to determine chain alignment in nanofibers . Hou and Jiang et al concluded that thinner nanofiber has higher molecular orientation as against thicker nanofiber simply because molecules will have space to randomly locate themselves higher diameter fiber . Naraghi et al found relation between collection distance and molecular orientation with longest collecting distance offering orientation factor of 50% as against 21‐22% for shortest collection distance .…”

Section: Salient Features Of Electrospun Nanofibers For Pmc's Reinformentioning

confidence: 99%

Mechanical properties of electrospun nanofiber reinforced/interleaved epoxy matrix composites—A review

et al. 2020

View full text Add to dashboard Cite

Electrospinning has by far proved to be the most successful method to spin high aspect and surface area to volume ratio nanofiber for multidisciplinary applications. Its application, however, as reinforcement in fiber reinforced polymer matrix composites (FRPC's) started from interlaminar fracture toughness improvement through interleaving. Since then, its usage both in short fiber and nonwoven mat formation has been phenomenally increased to tailor mechanical properties. This review paper focuses on application of nanofiber in multiscale reinforced epoxy matrix composites for mechanical performance. After a brief overview of electrospinning and spinning parameters, it presents a case for nanofiber as reinforcement with attendant mechanisms to develop insight into nanocomposite performance. Next, it summarizes and shares findings of studies, carried out in last 10 years, seeking to enhance tensile, flexural, interlaminar toughness, impact, and fatigue properties of epoxy composites through electrospun nanofiber reinforcement. Finally, it presents a perspective to gain headways in nanofiber reinforced FRPC's research through a variety of processing and material variables.

show abstract

Section: Salient Features Of Electrospun Nanofibers For Pmc's Reinformentioning

confidence: 99%

Mechanical properties of electrospun nanofiber reinforced/interleaved epoxy matrix composites—A review

et al. 2020

View full text Add to dashboard Cite

show abstract

“…Reported mechanical properties for single electrospun fibers are commonly much higher compared to fiber meshes (Jiang et al, 2004 ; Tan et al, 2005 ; Li et al, 2006 ; Lim et al, 2008 ; Wong et al, 2008 ; Zhang et al, 2009 ; Ladd et al, 2011 ; Chen et al, 2013 ; Pauly et al, 2016 ; Brennan et al, 2018 ). Incredibly high tensile strengths of 1,000–2,500 MPa have been observed specifically for single electrospun polyimide fibers from electrostatically and thermally induced molecular orientation in the direction of the fiber axis (Chen F. et al, 2008 ; Chen et al, 2012 , 2015 ; Xu et al, 2017 ). Yet even more single fiber studies have reported tensile strength values of 40–3,500 MPa, and Young's modulus values anywhere between 0.36 and 502 GPa (Jiang et al, 2018b ).…”

Section: Introductionmentioning

confidence: 99%

Effects of Fiber Density and Strain Rate on the Mechanical Properties of Electrospun Polycaprolactone Nanofiber Mats

Conte

Sun

et al. 2020

Front. Chem.

View full text Add to dashboard Cite

This study examines the effects of electrospun polycaprolactone (PCL) fiber density and strain rate on nanofiber mat mechanical properties. An automated track collection system was employed to control fiber number per mat and promote uniform individual fiber properties regardless of the duration of collection. Fiber density is correlated to the mechanical properties of the nanofiber mats. Young's modulus was reduced as fiber density increased, from 14,901 MPa for samples electrospun for 30 s (717 fibers +/– 345) to 3,615 MPa for samples electrospun for 40 min (8,310 fibers +/– 1,904). Ultimate tensile strength (UTS) increased with increasing fiber density, where samples electrospun for 30 s resulted in a UTS of 594 MPa while samples electrospun for 40 min demonstrated a UTS of 1,250 MPa. An average toughness of 0.239 GJ/m 3 was seen in the 30 s group, whereas a toughness of 0.515 GJ/m 3 was observed at 40 min. The ultimate tensile strain for samples electrospun for 30 s was observed to be 0.39 and 0.48 for samples electrospun for 40 min. The relationships between UTS, Young's modulus, toughness, and ultimate tensile strain with increasing fiber density are the result of fiber-fiber interactions which leads to network mesh interactions.

show abstract

“…affecting the morphology of electrospun nanofibers have been studied by a lot of groups in recent years, respectively [ 10 , 11 , 12 , 13 , 14 , 15 , 16 , 17 ]. In addition, side by side electrospinning, as a type of electrospinning is widely used to prepare nanomaterials, and many studies are based on this method [ 8 , 18 , 19 , 20 ].…”

Section: Introductionmentioning

confidence: 99%

Preparation and Characterization of Electrospun PAN/PSA Carbonized Nanofibers: Experiment and Simulation Study

Jin

Zheng

et al. 2018

Nanomaterials

View full text Add to dashboard Cite

In this study, we simulated the electric field distribution of side-by-side electrospinning by using the finite element method (FEM), and studied the effects of spinneret wall thickness, spinning voltage and receiving distance on the distribution of the electrostatic field. The receiving distance was selected as a variable in the experimental, a series of PAN/PSA composite nanofiber membranes were prepared by using a self-made side by side electrospinning device. The membranes were tested by Fourier-transform infrared (FTIR), thermogravimetric analysis (TG), and scanning electron microscope (SEM). The prepared membranes were also treated by high-temperature treatment, and the change of fiber diameter and conductivity of the membrane before and after high-temperature treatment were studied. It was found that the PAN/PSA carbonized nanofibers could achieve a better performance in heat resistance and conductivity at 200 mm receiving distance.

show abstract

High strength and high breaking load of single electrospun polyimide microfiber from water soluble precursor

Cited by 66 publications

References 26 publications

Mechanical properties of electrospun nanofiber reinforced/interleaved epoxy matrix composites—A review

Mechanical properties of electrospun nanofiber reinforced/interleaved epoxy matrix composites—A review

Effects of Fiber Density and Strain Rate on the Mechanical Properties of Electrospun Polycaprolactone Nanofiber Mats

Preparation and Characterization of Electrospun PAN/PSA Carbonized Nanofibers: Experiment and Simulation Study

Contact Info

Product

Resources

About