POLYSTYRENE DIFFUSION IN SEMIDILUTE SOLUTIONS AND IN SWOLLEN NETWORKS OF POLYDIMETHYLSILOXANE

被引：9

作者：

AVEN, MR ^{[1
]}

COHEN, C ^{[1
]}

机构：

[1] CORNELL UNIV,SCH CHEM ENGN,OLIN HALL,ITHACA,NY 14853

来源：

POLYMER | 1990年 / 31卷 / 05期

关键词：

diffusion; dynamic light scattering; gels; polydimethylsiloxane; polystyrene; semidilute solutions;

D O I：

10.1016/0032-3861(90)90035-W

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

We present a comparison of the diffusion coefficient of tracer polystyrene molecules in semidilute solutions and in gels of polydimethylsiloxane in tetrahydrofuran. We show that, in the regime where the size of the probe molecule is comparable to the correlation length of the host medium, the diffusion coefficient of the probe polystyrene is independent of the presence of crosslinks in the network and is well correlated with the polydimethylsiloxane concentration. © 1990.

引用

页码：778 / 780

页数：3

共 9 条

[1] AVEN MR, 1988, MAKROMOL CHEM, V189, P881
[2] LIGHT-SCATTERING FROM DILUTE POLYSTYRENE IN MIXTURES OF SEMIDILUTE POLY(DIMETHYLSILOXANE) AND TETRAHYDROFURAN
AVEN, MR
COHEN, C
[J]. MACROMOLECULES, 1990, 23 (02) : 476 - 486
[3] AVEN MR, 1989, THESIS CORNELL U
[4] QUASI-ELECTRIC LIGHT-SCATTERING FROM TERNARY MIXTURES OF POLYSTYRENE POLY(DIMETHYLSILOXANE) SOLVENTS
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BENMOUNA, M
[J]. MACROMOLECULES, 1989, 22 (02) : 816 - 821
[5] DYNAMIC BEHAVIOR IN TERNARY HOMOPOLYMER SOLUTIONS USING DYNAMIC LIGHT-SCATTERING
BROWN, W
PU, Z
[J]. MACROMOLECULES, 1989, 22 (08) : 3508 - 3510
[6] COMPARISON OF DIFFUSION-COEFFICIENTS IN TERNARY POLYMER-SOLUTIONS MEASURED BY DYNAMIC LIGHT-SCATTERING AND FORCED RAYLEIGH-SCATTERING
CHANG, T
HAN, CC
WHEELER, LM
LODGE, TP
[J]. MACROMOLECULES, 1988, 21 (06) : 1870 - 1872
[7] CONCENTRATION FLUCTUATIONS IN POLYMER POLYMER SOLVENT SYSTEMS
FOLEY, G
COHEN, C
[J]. MACROMOLECULES, 1987, 20 (08) : 1891 - 1896
[8] ILMAIN F, 1988, NETWORKS 88
[9] TRACER DIFFUSION OF LINEAR POLYSTYRENES IN DILUTE, SEMIDILUTE, AND CONCENTRATED POLYVINYL METHYL-ETHER) SOLUTIONS
WHEELER, LM
LODGE, TP
[J]. MACROMOLECULES, 1989, 22 (08) : 3399 - 3408

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