Silica⿿cellulose hybrid aerogels for thermal and acoustic insulation applications

Feng, Jie; Le, Duyen K.; Nguyen, Son Truong; Nien, Victor Tan Chin; Jewell, Daniel; Duong, Hai M.

doi:10.1016/j.colsurfa.2016.06.052

Cited by 184 publications

(116 citation statements)

References 40 publications

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“…To date, several methods were reported to improve mechanical properties of cellulose aerogel, typically combined with silica 10 and alumina. 11 Although the mechanical properties of cellulose aerogel were improved by them, the environmental friendliness was destroyed.…”

Section: Introductionmentioning

confidence: 99%

Mechanical reinforcement of a cellulose aerogel with nanocrystalline cellulose as reinforcer

Zheng

et al. 2017

RSC Adv.

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As an environmentally friendly aerogel with outstanding performances, the improvement of mechanical properties is urgently required for cellulose aerogel development. In this study, a cellulose aerogel with good mechanical properties was successfully fabricated using nanocrystalline cellulose (NCC) as reinforcer. Characterization results demonstrated that NCC was embedded well into the cellulose aerogel. Tests and evaluation showed that the compressive modulus of the NCC reinforced cellulose aerogel was significantly improved, about 6 times higher than that of the pure cellulose aerogel.Furthermore, after modification with trimethylchlorosilane via a cold plasma treatment, the NCC reinforced aerogel became hydrophobic but its oleophilic property remained. This aerogel showed good adsorption capacity, reached saturation rapidly and possessed good reusability. Reinforced mechanical properties with NCC make this cellulose aerogel a very promising material for highly efficient separation and extraction of organic pollutants and oils from water.

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Section: Introductionmentioning

confidence: 99%

Mechanical reinforcement of a cellulose aerogel with nanocrystalline cellulose as reinforcer

Zheng

et al. 2017

RSC Adv.

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“…The freezing and melting properties of coconut oil (mostly consist of lauric acid) was used to produce temperature difference due to the exchange energy between phases. On the other hand, silica-cellulose hybrid material can be one environmental friendly alternatives (Feng et al, 2016) to manage thermal and acoustic applications. Choosing raw material for concrete is also an interesting topic in housing in urban society.…”

Section: Materials For Environmentmentioning

confidence: 99%

Method Development and Surface Utilization: Monitoring Environment in Urban Society Through Analytical Chemistry

Wonorahardjo¹

2019

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Environmental changes following urban area development must be considered. Analytical chemistry deals with methods to analyze environment and all impacts of changes in chemistry level. Probes to label problems in environmental level, such as presence of hazards, changes of crops behavior, loss of certain biodiversity, can be the key information. Method development and new friendly materials creation, are proposed to answer the challenge. Some new materials, like catalytic converter and gas reduction agents will find their significance. Moreover, the frame of green chemistry would lead one to better achievement dealing with natural law. Surface utilization and separation techniques are important concepts in application of material for analysis and probe designing, which are based on surface equilibrium. The aim of this paper is to summarize key concepts in materials' surface and the role of analytical chemistry methods in anticipating environmental problems including those that arise from the urban society development, based on chemistry findings reported. Some method development as well as materials design examples are also presented.

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“…This section focuses on the thermal properties, such as thermal conductivity and thermal stability, of the recycled cellulose aerogels and their silica composites. 69 This is the first time that the benchmark data of the thermal properties of recycled cellulose-based aerogels has been reported. Of the recycled cellulose-based materials, the recycled cellulose aerogels using sodium hydroxide-urea aqueous solutions showed the lowest thermal conductivities (0.032 W mK À1 ); however, the cellulose aerogels display a continuous weight loss from below 100 1C, during the thermogravimetric (TGA) test.…”

Section: Introductionmentioning

confidence: 98%

“…The Young's modulus of the silica-cellulose composites and their cellulose aerogel matrixes. (Reprinted from Reference[69] with permission from Elsevier).…”

mentioning

confidence: 99%

Chapter 14. Cellulose and Protein Aerogels for Oil Spill Cleaning, Life Science and Food Engineering Applications

Duong¹,

Liu²,

Nguyen³

et al. 2018

Green Chemistry Series

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Silica⿿cellulose hybrid aerogels for thermal and acoustic insulation applications

Cited by 184 publications

References 40 publications

Mechanical reinforcement of a cellulose aerogel with nanocrystalline cellulose as reinforcer

Mechanical reinforcement of a cellulose aerogel with nanocrystalline cellulose as reinforcer

Method Development and Surface Utilization: Monitoring Environment in Urban Society Through Analytical Chemistry

Chapter 14. Cellulose and Protein Aerogels for Oil Spill Cleaning, Life Science and Food Engineering Applications

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