volume 53 issue 7 pages 546-557

Crazing of isotactic polypropylene in the medium of supercritical carbon dioxide

E S Trofimchuk
A.V. Efimov
N I Nikonorova
A L Volynskii
N F Bakeev
L. N. Nikitin
L. A. Ozerina
Publication typeJournal Article
Publication date2011-07-14
scimago Q3
wos Q4
SJR0.244
CiteScore1.9
Impact factor1.1
ISSN0965545X, 15556107, 17571820
Materials Chemistry
Polymers and Plastics
Abstract
Uniaxial tensile drawing of films based on semicrystalline isotactic PP in the medium of supercritical carbon dioxide at a pressure of 10 MPa and a temperature of 35°C is studied. The tensile drawing of PP is shown to proceed in the homogeneous mode without necking and is accompanied by intense cavitation. The maximum level of porosity is 60 vol %. The porous structure that develops owing to the tensile drawing of the polymer in supercritical CO2 is provided by formation of a set of crazes that are primarily localized in interlamellar regions. According to small-angle X-ray scattering data, the average diameter of fibrils that bridge craze walls changes slightly with an increase in tensile strain and is ∼10 nm; the specific surface of the craze fibrils is 100–150 m2/cm3.
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Trofimchuk E. S. et al. Crazing of isotactic polypropylene in the medium of supercritical carbon dioxide // Polymer Science - Series A. 2011. Vol. 53. No. 7. pp. 546-557.
GOST all authors (up to 50) Copy
Trofimchuk E. S., Efimov A., Nikonorova N. I., Volynskii A. L., Bakeev N. F., Nikitin L. N., Khokhlov A. R., Ozerina L. A. Crazing of isotactic polypropylene in the medium of supercritical carbon dioxide // Polymer Science - Series A. 2011. Vol. 53. No. 7. pp. 546-557.
RIS |
Cite this
RIS Copy
TY - JOUR
DO - 10.1134/S0965545X11050154
UR - https://doi.org/10.1134/S0965545X11050154
TI - Crazing of isotactic polypropylene in the medium of supercritical carbon dioxide
T2 - Polymer Science - Series A
AU - Trofimchuk, E S
AU - Efimov, A.V.
AU - Nikonorova, N I
AU - Volynskii, A L
AU - Bakeev, N F
AU - Nikitin, L. N.
AU - Khokhlov, A R
AU - Ozerina, L. A.
PY - 2011
DA - 2011/07/14
PB - Pleiades Publishing
SP - 546-557
IS - 7
VL - 53
SN - 0965-545X
SN - 1555-6107
SN - 1757-1820
ER -
BibTex |
Cite this
BibTex (up to 50 authors) Copy
@article{2011_Trofimchuk,
author = {E S Trofimchuk and A.V. Efimov and N I Nikonorova and A L Volynskii and N F Bakeev and L. N. Nikitin and A R Khokhlov and L. A. Ozerina},
title = {Crazing of isotactic polypropylene in the medium of supercritical carbon dioxide},
journal = {Polymer Science - Series A},
year = {2011},
volume = {53},
publisher = {Pleiades Publishing},
month = {jul},
url = {https://doi.org/10.1134/S0965545X11050154},
number = {7},
pages = {546--557},
doi = {10.1134/S0965545X11050154}
}
MLA
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MLA Copy
Trofimchuk, E. S., et al. “Crazing of isotactic polypropylene in the medium of supercritical carbon dioxide.” Polymer Science - Series A, vol. 53, no. 7, Jul. 2011, pp. 546-557. https://doi.org/10.1134/S0965545X11050154.