Evolution of the Nanoporous Structure of High-Density Polyethylene during Drawing in Supercritical Carbon Dioxide
Anna Dudnik
1
,
Elena Trofimchuk
1
,
Aleksandr V Efimov
1
,
Nina I Nikonorova
1
,
Lev N Nikitin
2
,
Igor V. Yaminsky
1
,
Aleksandr L Volynskii
1
Publication type: Journal Article
Publication date: 2018-01-16
scimago Q1
wos Q1
SJR: 1.352
CiteScore: 9.0
Impact factor: 5.2
ISSN: 00249297, 15205835
Materials Chemistry
Organic Chemistry
Inorganic Chemistry
Polymers and Plastics
Abstract
The process of open-porous structure development in high-density polyethylene (HDPE) films during uniaxial deformation in supercritical carbon dioxide (SC-CO2) fluid at 35 °C and 10 MPa has been studied and visualized by means of atomic force microscopy. We suggest that the supercritical fluid act as adsorption-active medium, and the porous structure is developed via the crazing mechanism due to the increasing the distance between of lamellae and the formation of oriented separate fibrils in the intercrystallite space. Effective bulk porosity of the films has been up to 40%. Small-angle X-ray scattering studies and ethanol permeability measurements have revealed that the pores and fibrils are about 10 nm in diameter. The prepared nanoporous materials exhibit good vapor permeability. Structural and mechanical behavior of the prepared porous films has been investigated. Large reversible deformation (up to 80%) of HDPE in the SC-CO2 has been observed. Repeated drawing of the shrunk films in air under ambient...
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GOST
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Dudnik A. et al. Evolution of the Nanoporous Structure of High-Density Polyethylene during Drawing in Supercritical Carbon Dioxide // Macromolecules. 2018. Vol. 51. No. 3. pp. 1129-1140.
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Dudnik A., Trofimchuk E., Efimov A. V., Nikonorova N. I., Rukhlya E. G., Nikitin L. N., Yaminsky I. V., Volynskii A. L. Evolution of the Nanoporous Structure of High-Density Polyethylene during Drawing in Supercritical Carbon Dioxide // Macromolecules. 2018. Vol. 51. No. 3. pp. 1129-1140.
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RIS
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TY - JOUR
DO - 10.1021/acs.macromol.7b02177
UR - https://doi.org/10.1021/acs.macromol.7b02177
TI - Evolution of the Nanoporous Structure of High-Density Polyethylene during Drawing in Supercritical Carbon Dioxide
T2 - Macromolecules
AU - Dudnik, Anna
AU - Trofimchuk, Elena
AU - Efimov, Aleksandr V
AU - Nikonorova, Nina I
AU - Rukhlya, Ekaterina G
AU - Nikitin, Lev N
AU - Yaminsky, Igor V.
AU - Volynskii, Aleksandr L
PY - 2018
DA - 2018/01/16
PB - American Chemical Society (ACS)
SP - 1129-1140
IS - 3
VL - 51
SN - 0024-9297
SN - 1520-5835
ER -
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BibTex (up to 50 authors)
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@article{2018_Dudnik,
author = {Anna Dudnik and Elena Trofimchuk and Aleksandr V Efimov and Nina I Nikonorova and Ekaterina G Rukhlya and Lev N Nikitin and Igor V. Yaminsky and Aleksandr L Volynskii},
title = {Evolution of the Nanoporous Structure of High-Density Polyethylene during Drawing in Supercritical Carbon Dioxide},
journal = {Macromolecules},
year = {2018},
volume = {51},
publisher = {American Chemical Society (ACS)},
month = {jan},
url = {https://doi.org/10.1021/acs.macromol.7b02177},
number = {3},
pages = {1129--1140},
doi = {10.1021/acs.macromol.7b02177}
}
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MLA
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Dudnik, Anna, et al. “Evolution of the Nanoporous Structure of High-Density Polyethylene during Drawing in Supercritical Carbon Dioxide.” Macromolecules, vol. 51, no. 3, Jan. 2018, pp. 1129-1140. https://doi.org/10.1021/acs.macromol.7b02177.