Synthesis of dispersed silicon, titanium, and zirconium dioxides by pyrolysis of cellulose inorganic composites

Шишмаков, А. Б.; Mikushina, Yu. V.; Koryakova, O. V.; Валова, М. С.; Petrov, L. A.

doi:10.1134/s1070427212100047

Cited by 6 publications

(3 citation statements)

References 2 publications

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“…An alternative to this process is hydrolysis/condensation of the MO precursor by exposure to air or moisture once it has been absorbed by the cellulose fibers. 191,192 The third possibility involves the ALD process, which can be combined with multioxide formation and for which the presence of the hydroxyl group at the cellulose surface seems to "simplify nucleation of water-based ALD processes". 193 Fig.…”

Section: Part 3: Templating Of Polysaccharide Fibersmentioning

confidence: 99%

Metal oxides and polysaccharides: an efficient hybrid association for materials chemistry

2015

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Section: Part 3: Templating Of Polysaccharide Fibersmentioning

confidence: 99%

Metal oxides and polysaccharides: an efficient hybrid association for materials chemistry

2015

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“…To obtain individual and binary dioxides with unfolded surface, the use of technical cellulose as a matrix material (reinforcing carrier) was proposed, which prevents aggregation of the alkoxide during hydrolysis and drying. As a matrix, the technical cellulose sulfate was used with a residual lignin content of 4.2% and an ash content of 1.0% by weight of absolutely dry cellulose.…”

Section: Introductionmentioning

confidence: 99%

Hybrid composites based on technical cellulose from rice husk

Shapovalova

Вураско

Petrov

et al. 2017

J of Applied Polymer Sci

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We introduced the preparation of hybrid composites using technical cellulose as a matrix material from rice husks with a natural SiO 2 content from 0% to 19.4%. In this work, the physicochemical characteristics of the resulting hybrid composites have been investigated. The presence of SiAOAC chemical bonds in the resulting hybrid composites was determined by infrared spectroscopy. Microscopic analysis showed the complete removal of the mineral component and lignin from the cell wall of the rice husk fibers. This allows obtaining of an expanded surface of the fibers (101.7 m 2 /g) with uniform distribution of the TiO 2 aggregates. It could be shown that with content increasing of natural silicon dioxide in the hybrid composite the decomposition rate of H 2 O 2 also increases.

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“…Alternative processes to SolGel rely on hydrolysis/condensation of the MO precursor either absorbed by polysaccharide, 121), 122) or produced by an ALD process; a process leading to the deposition of the MO on the fiber like cellulose of cotton (TiO 2 ) as illustrated in Fig. 9.…”

Section: Ald Deposition and Relatedmentioning

confidence: 99%

Hybrid metal oxide@biopolymer materials precursors of metal oxides and metal oxide-carbon composites

Plumejeau

Alauzun

Boury

2015

J. Ceram. Soc. Japan

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Metal oxide can be prepared by mineralization process of biopolymers like cellulose, starch, alginate, chitosan, chitin, carrageenan, dextran, DNA, pectin, collagen, gelatin, silk, lignin and white-egg. The formation of corresponding hybrid composite [metal oxide@biopolymer] allows mastering the morphology, porosity, composition and structure of metal oxide and also gives access to [metal oxide@carbon] composite upon carbonization of the biopolymer We briefly review the recent advances in this fields in order to show the diversity of the approaches and their adaptations to produce material with potential applications in catalysis, energy and environment.

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Synthesis of dispersed silicon, titanium, and zirconium dioxides by pyrolysis of cellulose inorganic composites

Cited by 6 publications

References 2 publications

Metal oxides and polysaccharides: an efficient hybrid association for materials chemistry

Metal oxides and polysaccharides: an efficient hybrid association for materials chemistry

Hybrid composites based on technical cellulose from rice husk

Hybrid metal oxide@biopolymer materials precursors of metal oxides and metal oxide-carbon composites

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