Modification of carbon nanotubes with fluorinated ionic liquid for improving processability of fluoro-ethylene-propylene

Ma, Hongyang; Chu, Benjamin; Hsiao, Benjamin S.

doi:10.1016/j.eurpolymj.2017.01.004

Cited by 20 publications

(9 citation statements)

References 27 publications

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“…For the flapping-wing motion of the FBBW, the bending process is dominated by the strain mismatch caused by light due to the very large difference in the thermal expansion coefficients between different layers. The thermal expansion coefficient of FEP is ∼135 × 10 −6 /K, 43 far exceeding the thermal expansion coefficient of the Sn film (∼20 × 10 −6 /K). Under sunlight, the temperature of the upper nanocrystalline Sn film quickly increases, and some of the heat will be transferred to the underlying flexible substrate.…”

Section: ■ Results and Discussionmentioning

confidence: 85%

Sunlight-Driven Continuous Flapping-Wing Motion

Dong

et al. 2020

ACS Appl. Mater. Interfaces

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Light-driven actuators that directly convert light into mechanical work have attracted significant attention due to their wireless advantage and ability to be easily controlled. However, a fundamental impediment to their application is that the continuous motion of light-driven flexible actuators usually requires a periodically switching light source or the coordination of other additional hardware. Here, for the first time, continuous flapping-wing motion under sunlight is realized through the utilization of a simple nanocrystalline metal polymer bilayer structure without the coordination of additional hardware. The light-driven performance can be controlled by adjusting the grain size of the upper nanocrystalline metallic layer or selecting metals with different thermodynamic parameters. The achieved highest frequency of flapping-wing motion is 4.49 Hz, which exceeds the frequency of real butterfly wings, thus informing the further development of sunlight-driven bionic flying animal robotics without external energy consumption. The flapping-wing motion has been used to realize a light-driven whirligig, a light-driven sailboat, and photoelectric energy harvesting. Furthermore, the flexible bilayer actuator features the ability to be driven by light and electricity, low-power actuation, a large deflection, fast actuation speed, long-time stability, strong design ability, and large-area facile fabrication. The bilayer film considered herein represents a simple, general, and effective strategy for preparing photoelectric-driven flexible actuators with target performances and informs the standardization and industrial application of flexible actuators in the future.

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Section: ■ Results and Discussionmentioning

confidence: 85%

Sunlight-Driven Continuous Flapping-Wing Motion

Dong

et al. 2020

ACS Appl. Mater. Interfaces

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“…The modification of MWCNT by IL was proved to be successful. 21 In the curves of IL-MWCNT, the thermal weight loss variation was found to be similar to IL at 200-310 C, but the range was smaller than IL. It was demonstrated that the amount of IL lost in IL-MWCNT was not significant, so it can be concluded that the amount of IL was sufficient to achieve the modification of MWCNT.…”

Section: Thermogravimetric Analysismentioning

confidence: 87%

Effect of ionic liquid modified carbon nanotubes on the properties of nitrile butadiene rubber and nitrile butadiene latex nanocomposites

Wang

Sun

Hou

et al. 2022

J of Applied Polymer Sci

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Multiwalled carbon nanotubes (MWCNT) were widely used in nano‐polymer materials due to their excellent electrical and thermal conductivity and mechanical properties. However, the dispersion of MWCNT in the rubber matrix was usually poor due to their large aspect ratio and tendency to agglomerate. The main innovation of this technology was that the non‐covalent modification did not destroy the surface structure and original properties of MWCNT, which was a breakthrough compared to the previous covalent modification. The obtained IL‐MWCNT was still distributed in the water a month after sonication. The microstructural development of the filled network and the uniform dispersion of MWCNT in the presence of IL were analyzed by TEM. The apparent physical (cation–π/π–π) interactions between MWCNT and IL were characterized by Raman spectroscopy and thermal gravimetric analysis (TGA). The high‐performance composites of IL‐MWCNT and nitrile butadiene rubber (NBR) or nitrile butadiene rubber latex (NBRL) were prepared by the liquid latex blending method. The mechanical properties of the composites were improved due to the uniform distribution of IL‐MWCNT in the matrix. As found in this work, the addition of 3 phr of IL increased the mechanical properties of the composites significantly. The continued addition of IL affects the dispersion of MWCNT in the composites due to the plasticizing and diluting effects of IL, which results in a decrease in the mechanical properties. This study provides a simple, environmentally friendly method for the development of IL‐MWCNT composites.

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“…Vulcanisation kinetics study shows that cure reaction is an autocatalytic reaction. [1][2][3][4][5][6][7][8][9][10][11][12][13]…”

Section: Vulcanisation Kineticsmentioning

confidence: 99%

Cure characteristics of nanocomposites containing imidazolium ionic liquid modified carbon nanotubes and styrene butadiene rubber

Abraham¹,

George²,

Thomas³

2018

MSEIJ

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Herein, imdazolium type ionic liquid modified Multiwalled carbon nanotube based styrene butadiene rubber nanocomposites is prepared by simple two roll ill mixing. Ionic liquid facilitates the dispersion of MWCNT in polymer matrix which is evident from Transmission electron microscopy images. The effect of the incorporation of a modified MWCNT (f-MWCNT) on the vulcanization kinetics of natural rubber was investigated by means of cure-meter testing (Figure 1). Figure 1Vulcanization kinetics of natural rubber was investigated by means of cure-meter testing.

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Modification of carbon nanotubes with fluorinated ionic liquid for improving processability of fluoro-ethylene-propylene

Cited by 20 publications

References 27 publications

Sunlight-Driven Continuous Flapping-Wing Motion

Sunlight-Driven Continuous Flapping-Wing Motion

Effect of ionic liquid modified carbon nanotubes on the properties of nitrile butadiene rubber and nitrile butadiene latex nanocomposites

Cure characteristics of nanocomposites containing imidazolium ionic liquid modified carbon nanotubes and styrene butadiene rubber

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