Bio-based multifunctional carbon aerogels from sugarcane residue for organic solvents adsorption and solar-thermal-driven oil removal

Li, Laurent; Lei, Shijun; Xi, Jianchao; Ye, Daolin; Hu, Weizhao; Song, Lei; Hu, Yuan; Cai, Wei; Gui, Zhilun

doi:10.1016/j.cej.2021.129580

Cited by 82 publications

(27 citation statements)

References 50 publications

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“…As Figure 3B presented, the peaks at around 1726, 1636 and 1457 cm −1 can correspond to the vibration of C=O and C=H bonds, respectively. The absorption peak that appeared at 3400 cm −1 can be identified as the stretching vibration of H-O (Li et al, 2021a). The peaks located at 1068 cm −1 and 1261 cm −1 can be attributed to the vibration of P-O-C and P=O bonds, which confirm the formation of phosphonate.…”

Section: Synthesis and Characterization Of Pgmamentioning

confidence: 89%

Preparation and Study on Nitrogen- and Phosphorus- Containing Fire Resistant Coatings for Wood by UV-Cured Methods

Wang

Cai

et al. 2022

Front. Mater.

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Wood has been widely used since ancient times due to its biodegradability, good elasticity, impact resistance, and easy availability. However, the flammability of wood has vastly limited its applications and the fire hazard of wood has cost a great loss of life and property. Thus, it is important to improve the fire resistance of wood. Here, we used a phosphate acrylate monomer (PGMA) which was synthesized with phosphoric acid and glycidyl methacrylate by ring-opening reaction and melamine acrylic ester (MAAR) to make up a series of fireproof coatings with different proportions, and the fire resistance of wood has been investigated using the limiting oxygen index (LOI) test, back temperature test, and cone calorimeter test. When the wood was coated with the composite of 33.3% PGMA and 66.7% MAAR, the total heat release value decreased from 39.0 to 38.2 MJ/m2, and the total smoke release value decreased from 622 to 512 m2/m2, showing a remarkable improvement in fire resistance and smoke suppression. Thus, this easily prepared, cheap, and effective flame retardant coating can promote a wider application of wood.

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Section: Synthesis and Characterization Of Pgmamentioning

confidence: 89%

Preparation and Study on Nitrogen- and Phosphorus- Containing Fire Resistant Coatings for Wood by UV-Cured Methods

Wang

Cai

et al. 2022

Front. Mater.

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“…With increasing temperature, MoS 2 nanosheets are converted into molybdenum oxide playing a Lewis acid catalysis effect, while the produced sulfur can promote the rearrangement of the polymer matrix to form the char residue. Referring to the previous literature, it is believed that the sulfur element can accelerate the formation of the char residue, while the char yield is not increased effectively. , The promoted formation of the char residue is based on the Fries–Finck rearrangement . In fact, the excellent thermal stability of BN nanosheets also makes its barrier effect be presented persistently.…”

Section: Resultsmentioning

confidence: 99%

“…The thermal degradation process of pure EP is investigated by a TGA test. It was found that pure EP suffered from two thermal degradation processes under an air atmosphere, corresponding to the rearrangement of the epoxy structure and the decomposition stage of resins, respectively (Figure a) . The temperature corresponding to 5 wt % mass loss ( T 5wt% ) of pure EP is 372 °C.…”

Section: Resultsmentioning

confidence: 99%

“…It was found that pure EP suffered from two thermal degradation processes under an air atmosphere, corresponding to the rearrangement of the epoxy structure and the decomposition stage of resins, respectively (Figure 5a). 37 The temperature corresponding to 5 wt % mass loss (T 5wt% ) of pure EP is 372 °C. As presented by Table S1 and Figure 5b, the addition of nanohybrids obviously decreases the T 5wt% of EP composites, similar to the previous literature.…”

Section: Thermal Stability Investigation Of Ep Compositesmentioning

confidence: 99%

“…Referring to the previous literature, it is believed that the sulfur element can accelerate the formation of the char residue, while the char yield is not increased effectively. 53,54 The promoted formation of the char residue is based on the Fries−Finck rearrangement. 53 In fact, the excellent thermal stability of BN nanosheets also makes its barrier effect be presented persistently.…”

Section: Thermal Stability Investigation Of Ep Compositesmentioning

confidence: 99%

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Heterolayered Boron Nitride/Polyaniline/Molybdenum Disulfide Nanosheets for Flame-Retardant Epoxy Resins

Cai

Zhu

et al. 2021

ACS Appl. Nano Mater.

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The heterolayered architecture design is capable of assembling different nanomaterials into a multifunctional nanohybrid. Herein, based on an electrostatic-driven self-assembly process, polyaniline-modified boron nitride (BN/PANI) nanosheets are fixated onto the surface of molybdenum disulfide (MoS2) nanosheets, thus forming a multifunctional heterolayered architecture nanohybrid. Based on the barrier effect of BN nanosheets and the Lewis acid catalysis effect and the chain rearrangement effect of MoS2, the prepared BN/PANI/MoS2 presents a desirable enhancement effect in the flame retardancy and toxic smoke suppression of epoxy resins. Meanwhile, in a high-temperature environment, the charge carrier produced by MoS2 nanosheets is rapidly transferred by electric BN/PANI, thus accelerating the formation of a protective char layer. It was found that 5.0 wt % addition of BN/PANI/MoS2, respectively, leads to decreases of 23.7, 9.1, 11.1, and 29.9% to the peak heat release rate, total heat release, peak smoke release rate, and total smoke release. In this work, in terms of the design of heterolayered architecture, the unique function of solo nanomaterial is effectively integrated to obtain the optimal effect, thus promoting the application of nanohybrids in polymer composites.

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Lightweight Nanofiber‐Reinforced Pyrrole‐Reduced Graphene Oxide Aerogel for Pressure Sensor and Oil/Water Separation Material

Qin,

Wang,

et al. 2023

Adv Materials Technologies

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The mechanical brittleness of graphene aerogel becomes the main defect that restrains their multifunctional application due to the strong π–π stacking and Van der Waals forces between graphene nanosheets. Herein, a novel and simple 1D nanofiber‐reinforced 2D pyrrole‐reduced graphene oxide (GO) to construct a 3D graphene aerogel (GA) is developed. The pyrrole effectively reduces GO to graphene and the in situ polymerized polypyrrole (PPy) can improve the conductivity of GA. Benefiting from the synergistic reinforcement of cellulose acetate (CA) electrospun nanofiber and crosslinker PPy on the graphene framework, the lightweight GA exhibits satisfactory mechanical properties. The assembled flexible piezoresistive sensor shows a high sensitivity of 32.39 kPa−1 and a wide detection range of up to 65.3 kPa, which can be able to withstand more than 10 000 loading‐unloading cycles. It has a broad application prospect in human motion and health signal monitoring as a high‐performance wearable pressure sensor. Particularly, the porous GA is also proved to be a high‐efficiency oil/water separation material with a strong adsorption capacity (56.9–115.2 g g−1) for various oils and organic solvents.

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Bio-based multifunctional carbon aerogels from sugarcane residue for organic solvents adsorption and solar-thermal-driven oil removal

Cited by 82 publications

References 50 publications

Preparation and Study on Nitrogen- and Phosphorus- Containing Fire Resistant Coatings for Wood by UV-Cured Methods

Preparation and Study on Nitrogen- and Phosphorus- Containing Fire Resistant Coatings for Wood by UV-Cured Methods

Heterolayered Boron Nitride/Polyaniline/Molybdenum Disulfide Nanosheets for Flame-Retardant Epoxy Resins

Lightweight Nanofiber‐Reinforced Pyrrole‐Reduced Graphene Oxide Aerogel for Pressure Sensor and Oil/Water Separation Material

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