Polymer, volume 244, pages 124622

Viscosity of macromolecules with complex architecture

Rudyak Vladimir ¹

Sergeev Artem V. ²

Kozhunova Elena ³

Molchanov Vyacheslav S ¹

Philippova O.E. ¹

Chertovich Alexander V. ^{1, 2}

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Faculty of Physics, Lomonosov Moscow State University, Moscow, 119991, Russia |

Semenov Federal Research Center for Chemical Physics, Moscow, 119991, Russia |

Faculty of Chemistry, Lomonosov Moscow State University, Moscow, 119991, Russia |

Publication type: Journal Article

Publication date: 2022-03-01

Elsevier

Journal: Polymer

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Quartile WOS

Impact factor: 4.6

ISSN: 00323861

DOI: 10.1016/j.polymer.2022.124622

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Materials Chemistry

Organic Chemistry

Polymers and Plastics

Abstract

It is well-known that the architecture of macromolecules plays an important role in the hydrodynamics and viscosity of its semi-diluted solutions. However, the systematic study of the rheology of macromolecules with complex topology, such as microgels, remains a difficult task. In this work, we use the computer simulations methods of non-equilibrium molecular dynamics to study the viscous properties of randomly cross-linked microgels and compare it to multiple reference systems (linear chains, 10-arm star polymers and hard spheres). We show that the microgel cross-linking density and, thus, the particle shape, plays crucial role in its shear viscosity. Also, in contrast to a simpler polymer systems, microgel dispersions in good solvent show much less shear thinning. • Viscosity of microgel solution is highly affected by dangling ends in its corona. • Solutions of microgels with high molecular mass can obtain low viscosity. • Microgel solutions demonstrate atypical dependency of viscosity on shear rate. • Rheological properties of microgels are strongly dependent on temperature.

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Citations by journals

	1
Journal of Polymer Science	Journal of Polymer Science, 1, 16.67% Journal of Polymer Science 1 publication, 16.67%
Advances in Colloid and Interface Science	Advances in Colloid and Interface Science, 1, 16.67% Advances in Colloid and Interface Science 1 publication, 16.67%
Electrochimica Acta	Electrochimica Acta, 1, 16.67% Electrochimica Acta 1 publication, 16.67%
Journal Physics D: Applied Physics	Journal Physics D: Applied Physics, 1, 16.67% Journal Physics D: Applied Physics 1 publication, 16.67%
ACS Applied Polymer Materials	ACS Applied Polymer Materials, 1, 16.67% ACS Applied Polymer Materials 1 publication, 16.67%
Langmuir	Langmuir, 1, 16.67% Langmuir 1 publication, 16.67%
	1

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	1 2
Elsevier	Elsevier, 2, 33.33% Elsevier 2 publications, 33.33%
American Chemical Society (ACS)	American Chemical Society (ACS), 2, 33.33% American Chemical Society (ACS) 2 publications, 33.33%
Wiley	Wiley, 1, 16.67% Wiley 1 publication, 16.67%
IOP Publishing	IOP Publishing, 1, 16.67% IOP Publishing 1 publication, 16.67%
	1 2

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Rudyak V. et al. Viscosity of macromolecules with complex architecture // Polymer. 2022. Vol. 244. p. 124622.

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Rudyak V., Sergeev A. V., Kozhunova E., Molchanov V. S., Philippova O., Chertovich A. V. Viscosity of macromolecules with complex architecture // Polymer. 2022. Vol. 244. p. 124622.

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RIS Copy

TY - JOUR

DO - 10.1016/j.polymer.2022.124622

UR - https://doi.org/10.1016%2Fj.polymer.2022.124622

TI - Viscosity of macromolecules with complex architecture

T2 - Polymer

AU - Rudyak, Vladimir

AU - Sergeev, Artem V.

AU - Kozhunova, Elena

AU - Molchanov, Vyacheslav S

AU - Philippova, O.E.

AU - Chertovich, Alexander V.

PY - 2022

DA - 2022/03/01 00:00:00

PB - Elsevier

SP - 124622

VL - 244

SN - 0032-3861

ER -

BibTex

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BibTex Copy

@article{2022_Rudyak,

author = {Vladimir Rudyak and Artem V. Sergeev and Elena Kozhunova and Vyacheslav S Molchanov and O.E. Philippova and Alexander V. Chertovich},

title = {Viscosity of macromolecules with complex architecture},

journal = {Polymer},

year = {2022},

volume = {244},

publisher = {Elsevier},

month = {mar},

url = {https://doi.org/10.1016%2Fj.polymer.2022.124622},

pages = {124622},

doi = {10.1016/j.polymer.2022.124622}

}

Found error?

Publisher

Elsevier

Journal

Polymer

Quartile SCImago

Quartile WOS

Impact factor

4.6

ISSN

00323861 (Print)

Labs

Laboratory of Microstructured Polymer Materials

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