PDMS/MWCNT nanocomposite films for underwater sound absorption applications

Kabir, Imrana I.; Fu, Yifeng; Souza, Nicolas R. de; Baena, Juan Carlos; Yuen, Anthony; Mata, Jitendra; Peng, Zhongxiao; Yeoh, Guan Heng

doi:10.1007/s10853-020-04349-4

Cited by 28 publications

(11 citation statements)

References 66 publications

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“…One is that the incorporated EUG crystals enhanced the modulus of NBR/EUG composites, which increased the propagation speeds of sonic waves and improved the impedance matching between the composites and water. 14,31,33 The other is that the sound impedance of the crystals in NBR/EUG composites mismatched that of water, and thus the incident sound wave reection happened and reected many times when it met the crystals. 15 As a result, the propagation path of sound waves was changed and increased, leading to the enhancement of the sound energy dissipation.…”

Section: Sound Absorption Performancesmentioning

confidence: 99%

Development of nitrile rubber/eucommia ulmoides gum composites for controllable dynamic damping and sound absorption performance

et al. 2022

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Section: Sound Absorption Performancesmentioning

confidence: 99%

Development of nitrile rubber/eucommia ulmoides gum composites for controllable dynamic damping and sound absorption performance

et al. 2022

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“…As the temperature continues to increase, a weight loss of 22.071% from 415 to 700 °C should be corresponded to the depolymerization of the siloxane chains, which can be observed from previous literature studies which indicated that PDMS is transformed into cyclic oligomeric species through chain breakage. 30,31 The thermal resistance of the film is partially ascribed to the high heat stability of copolymers. 32 The strong bond of polymer chains in PMMA also leads to the observation of thermal stability.…”

Section: ■ Experimental Sectionmentioning

confidence: 99%

Superwetting Electrospun PDMS/PMMA Membrane for PM_2.5 Capture and Microdroplet Transfer

Lü

Wang

et al. 2021

Langmuir

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Efficient acquiring and removal of a hazardous particulate matter (PM) have significant effects on human health. Here, we illustrate the fabrication of a superwetting electrospun polydimethylsiloxane/polymethyl methacrylate (PDMS/PMMA) membrane (EPPM) with multifunctional performance for PM2.5 capture and microdroplet transfer, where PMMA was added as a carrier polymer to the superhydrophobic PDMS, which has very low cohesive energy density. The obtained EPPM, which is composed of special bead-on-string fibers with a mean fiber diameter of 350 nm, shows a porous structure with an aperture of 7.87 μm (calculated by the bubble pressure method) and superb thermostability (up to 325 °C). The EPPM possesses an excellent PM2.5 purification efficiency of nearly up to 100% at a very low pressure drop (70 Pa, <0.07% of the atmospheric pressure) under the condition of high humidity (96 ± 3%), which is greatly advantageous over those hydrophilic filters frequently suffering the drawbacks of low efficiency or total invalidation in humid environments. In addition, benefitting from the superhydrophobic and strong adhesive properties of the membrane surface, the EPPM could complete the trace aqueous sample analysis such as “robotic hand” from superhydrophobic to hydrophilic surfaces without any contamination or loss and hold a high contact angle of 161.6° for water. Altogether, the EPPM may have technological advantages as a kind of novel fibrous filter in diverse environmental applications, including PM2.5 capture, separation, microdroplet transfer, and so on.

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“…For PBS/PDMS, a broad weight loss stage is observed from 300 to 650 °C, which corresponds to the depolymerization of the siloxane chains. [ 40 ] The decomposition temperature of PBS/PDMS is about 345 °C by calculation. These results show that the DN elastomers have good heat resistance and thermal stability and the combination with PBS improves the thermal stability of HPDMS.…”

Section: Figurementioning

confidence: 99%

Self‐Healable and Transparent Elastomers Based on Dual Reversible Networks

Wang

Yang

Sun

et al. 2020

Macro Materials & Eng

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The fabrication of silicon elastomer with good mechanical properties and self‐healing ability is still a challenge. Herein, a facile method to fabricate a transparent healable double‐network (DN) elastomer by introducing polyborosiloxane (PBS) into self‐healing polydimethylsiloxane (HPDMS) networks is demonstrated. Tensile testing shows that the mechanical properties of PBS and HPDMS are both improved. The DN elastomer shows high transparency across the visible spectrum with an average transmittance of 75%. Because of the breakage and reconstruction of reversible imine bonds and BO dative bonds, the elastomer exhibits excellent self‐healing properties with a maximum healing efficiency of 98% at room temperature. Meanwhile, the elastomer can be repeatedly reprocessed with a recovery of 85% of virgin mechanical strengths. This work provides a new insight to design transparent, self‐healing silicone elastomers with a simple and eco‐friendly method.

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PDMS/MWCNT nanocomposite films for underwater sound absorption applications

Cited by 28 publications

References 66 publications

Development of nitrile rubber/eucommia ulmoides gum composites for controllable dynamic damping and sound absorption performance

Development of nitrile rubber/eucommia ulmoides gum composites for controllable dynamic damping and sound absorption performance

Superwetting Electrospun PDMS/PMMA Membrane for PM_2.5 Capture and Microdroplet Transfer

Self‐Healable and Transparent Elastomers Based on Dual Reversible Networks

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PDMS/MWCNT nanocomposite films for underwater sound absorption applications

Cited by 28 publications

References 66 publications

Development of nitrile rubber/eucommia ulmoides gum composites for controllable dynamic damping and sound absorption performance

Development of nitrile rubber/eucommia ulmoides gum composites for controllable dynamic damping and sound absorption performance

Superwetting Electrospun PDMS/PMMA Membrane for PM2.5 Capture and Microdroplet Transfer

Self‐Healable and Transparent Elastomers Based on Dual Reversible Networks

Contact Info

Product

Resources

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Superwetting Electrospun PDMS/PMMA Membrane for PM_2.5 Capture and Microdroplet Transfer