CLC number: O631.4
On-line Access: 2024-08-27
Received: 2023-10-17
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QIAN Jin-wen, ZHOU Guo-hai, ZHENG Qiang, WU Ping-dong. INFLUENCE OF SOLVENT AND POLYMER SORT ON ANOMALOUS RHEOLOGICAL BEHAVIOR OF POLYMER SOLUTION AT HIGH DILUTION[J]. Journal of Zhejiang University Science A, 2001, 2(3): 265-270.
@article{title="INFLUENCE OF SOLVENT AND POLYMER SORT ON ANOMALOUS RHEOLOGICAL BEHAVIOR OF POLYMER SOLUTION AT HIGH DILUTION",
author="QIAN Jin-wen, ZHOU Guo-hai, ZHENG Qiang, WU Ping-dong",
journal="Journal of Zhejiang University Science A",
volume="2",
number="3",
pages="265-270",
year="2001",
publisher="Zhejiang University Press & Springer",
doi="10.1631/jzus.2001.0265"
}
%0 Journal Article
%T INFLUENCE OF SOLVENT AND POLYMER SORT ON ANOMALOUS RHEOLOGICAL BEHAVIOR OF POLYMER SOLUTION AT HIGH DILUTION
%A QIAN Jin-wen
%A ZHOU Guo-hai
%A ZHENG Qiang
%A WU Ping-dong
%J Journal of Zhejiang University SCIENCE A
%V 2
%N 3
%P 265-270
%@ 1869-1951
%D 2001
%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.2001.0265
TY - JOUR
T1 - INFLUENCE OF SOLVENT AND POLYMER SORT ON ANOMALOUS RHEOLOGICAL BEHAVIOR OF POLYMER SOLUTION AT HIGH DILUTION
A1 - QIAN Jin-wen
A1 - ZHOU Guo-hai
A1 - ZHENG Qiang
A1 - WU Ping-dong
J0 - Journal of Zhejiang University Science A
VL - 2
IS - 3
SP - 265
EP - 270
%@ 1869-1951
Y1 - 2001
PB - Zhejiang University Press & Springer
ER -
DOI - 10.1631/jzus.2001.0265
Abstract: The rheological behavior of polyvinyl acetate (PVAc) in N,N'-dimethylformamide (DMF), methyl ethyl ketone (MEK), 1,2-dichloroethane (DCE), tetrahydrofuran (THF) and toluene (TOL), polystyrene (PS) in DMF, MEK, DCE, THF and cyclohexane (CYH), and random ethylene-vinyl acetate (EVA) copolymer in DCE, TOL, CYH with and without surfactant of Span80 and in the DCE/CYH solvent mixtures with surfactant of Span80 was examined at high dilution. It was shown that the extent and type of the upsweep or downsweep (anomalous rheological behavior) of the reduced viscosity-concentration curves of these different polymers at high dilution are markedly dependent on the dielectric constant of the solvent and the polarity of the polymer used. The experimental results indicated that the anomalous rheological behavior of EVA copolymer, widely used as a flow improver, is related to its efficiency in reducing viscosity and depressing pour point of crude oil and waxy solvents.
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