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Disk-like nanocrystals prepared by solvolysis from regenerated cellulose and colloid properties of their hydrosols. / Torlopov, Mikhail A.; Martakov, Ilia S.; Mikhaylov, Vasily I.; Krivoshapkin, Pavel V.; Tsvetkov, Nikolay V.; Sitnikov, Petr; Udoratina, Elena V.

In: Carbohydrate Polymers, Vol. 200, 15.11.2018, p. 162-172.

Research output: Contribution to journal › Article › peer-review

Harvard

Torlopov, MA, Martakov, IS, Mikhaylov, VI, Krivoshapkin, PV, Tsvetkov, NV, Sitnikov, P & Udoratina, EV 2018, 'Disk-like nanocrystals prepared by solvolysis from regenerated cellulose and colloid properties of their hydrosols', Carbohydrate Polymers, vol. 200, pp. 162-172. https://doi.org/10.1016/j.carbpol.2018.08.002

APA

Torlopov, M. A., Martakov, I. S., Mikhaylov, V. I., Krivoshapkin, P. V., Tsvetkov, N. V., Sitnikov, P., & Udoratina, E. V. (2018). Disk-like nanocrystals prepared by solvolysis from regenerated cellulose and colloid properties of their hydrosols. Carbohydrate Polymers, 200, 162-172. https://doi.org/10.1016/j.carbpol.2018.08.002

Vancouver

Torlopov MA, Martakov IS, Mikhaylov VI, Krivoshapkin PV, Tsvetkov NV, Sitnikov P et al. Disk-like nanocrystals prepared by solvolysis from regenerated cellulose and colloid properties of their hydrosols. Carbohydrate Polymers. 2018 Nov 15;200:162-172. https://doi.org/10.1016/j.carbpol.2018.08.002

Author

Torlopov, Mikhail A. ; Martakov, Ilia S. ; Mikhaylov, Vasily I. ; Krivoshapkin, Pavel V. ; Tsvetkov, Nikolay V. ; Sitnikov, Petr ; Udoratina, Elena V. / Disk-like nanocrystals prepared by solvolysis from regenerated cellulose and colloid properties of their hydrosols. In: Carbohydrate Polymers. 2018 ; Vol. 200. pp. 162-172.

BibTeX

@article{0c5bb5ee44e540848db3b2ea71355939,
title = "Disk-like nanocrystals prepared by solvolysis from regenerated cellulose and colloid properties of their hydrosols",
abstract = "One possible way of obtaining cellulose nanocrystals and aqueous sols with novel properties is based on modification of supramolecular structure of the polysaccharide. This modification involves rearrangements of hydrogen bonds and has an effect on polymer morphology, formation of surface reactive sites and interface interactions. Disc-like nanocrystals of cellulose II were prepared by solvolysis of regenerated cellulose in acetic acid/octanol medium in the presence of 0.4 mol% of phosphotungstic acid. The starting cellulose samples were dissolved and regenerated in the NaOH/thiourea system. Cellulose nanocrystals were studied by transmission electron microscopy, atomic force microscopy, dynamic light scattering, FTIR spectroscopy, XRD and thermogravimetric analysis. Colloidal stability of aqueous suspensions of cellulose nanocrystals in the presence of electrolyte (KCl) was studied. Their acid-base properties were revealed using potentiometric titration. The influence of electrolyte concentration on dynamic viscosity of the obtained hydrosols and their ability to show birefringence was established.",
keywords = "Cellulose nanocrystals, Colloid-chemical properties, Colloidal stability, Heteropolyacids, pK spectra, Viscosity",
author = "Torlopov, {Mikhail A.} and Martakov, {Ilia S.} and Mikhaylov, {Vasily I.} and Krivoshapkin, {Pavel V.} and Tsvetkov, {Nikolay V.} and Petr Sitnikov and Udoratina, {Elena V.}",
year = "2018",
month = nov,
day = "15",
doi = "10.1016/j.carbpol.2018.08.002",
language = "English",
volume = "200",
pages = "162--172",
journal = "Carbohydrate Polymers",
issn = "0144-8617",
publisher = "Elsevier",

}

RIS

TY - JOUR

T1 - Disk-like nanocrystals prepared by solvolysis from regenerated cellulose and colloid properties of their hydrosols

AU - Torlopov, Mikhail A.

AU - Martakov, Ilia S.

AU - Mikhaylov, Vasily I.

AU - Krivoshapkin, Pavel V.

AU - Tsvetkov, Nikolay V.

AU - Sitnikov, Petr

AU - Udoratina, Elena V.

PY - 2018/11/15

Y1 - 2018/11/15

N2 - One possible way of obtaining cellulose nanocrystals and aqueous sols with novel properties is based on modification of supramolecular structure of the polysaccharide. This modification involves rearrangements of hydrogen bonds and has an effect on polymer morphology, formation of surface reactive sites and interface interactions. Disc-like nanocrystals of cellulose II were prepared by solvolysis of regenerated cellulose in acetic acid/octanol medium in the presence of 0.4 mol% of phosphotungstic acid. The starting cellulose samples were dissolved and regenerated in the NaOH/thiourea system. Cellulose nanocrystals were studied by transmission electron microscopy, atomic force microscopy, dynamic light scattering, FTIR spectroscopy, XRD and thermogravimetric analysis. Colloidal stability of aqueous suspensions of cellulose nanocrystals in the presence of electrolyte (KCl) was studied. Their acid-base properties were revealed using potentiometric titration. The influence of electrolyte concentration on dynamic viscosity of the obtained hydrosols and their ability to show birefringence was established.

AB - One possible way of obtaining cellulose nanocrystals and aqueous sols with novel properties is based on modification of supramolecular structure of the polysaccharide. This modification involves rearrangements of hydrogen bonds and has an effect on polymer morphology, formation of surface reactive sites and interface interactions. Disc-like nanocrystals of cellulose II were prepared by solvolysis of regenerated cellulose in acetic acid/octanol medium in the presence of 0.4 mol% of phosphotungstic acid. The starting cellulose samples were dissolved and regenerated in the NaOH/thiourea system. Cellulose nanocrystals were studied by transmission electron microscopy, atomic force microscopy, dynamic light scattering, FTIR spectroscopy, XRD and thermogravimetric analysis. Colloidal stability of aqueous suspensions of cellulose nanocrystals in the presence of electrolyte (KCl) was studied. Their acid-base properties were revealed using potentiometric titration. The influence of electrolyte concentration on dynamic viscosity of the obtained hydrosols and their ability to show birefringence was established.

KW - Cellulose nanocrystals

KW - Colloid-chemical properties

KW - Colloidal stability

KW - Heteropolyacids

KW - pK spectra

KW - Viscosity

UR - http://www.scopus.com/inward/record.url?scp=85050938021&partnerID=8YFLogxK

U2 - 10.1016/j.carbpol.2018.08.002

DO - 10.1016/j.carbpol.2018.08.002

M3 - Article

AN - SCOPUS:85050938021

VL - 200

SP - 162

EP - 172

JO - Carbohydrate Polymers

JF - Carbohydrate Polymers

SN - 0144-8617

ER -

ID: 36419896