volume 31 issue 18 pages 6297-6309

Persistence Length of Carboxymethyl Cellulose As Evaluated from Size Exclusion Chromatography and Potentiometric Titrations

P M Van Der Horst 1
J G Batelaan 2
1
 
Akzo Nobel Chemicals Arnhem, Westervoortsedijk 73, P.O. Box 9300, 6800 SB Arnhem, The Netherlands
2
 
Akzo Nobel Central Research Arnhem, Velperweg 76, P.O. Box 9300, 6800 SB Arnhem, The Netherlands
Publication typeJournal Article
Publication date1998-08-15
scimago Q1
wos Q1
SJR1.352
CiteScore9.0
Impact factor5.2
ISSN00249297, 15205835
Materials Chemistry
Organic Chemistry
Inorganic Chemistry
Polymers and Plastics
Abstract
The intrinsic persistence length of carboxymethyl cellulose (CMC) is determined by size exclusion chromatography in combination with multiangle laser light scattering (SEC−MALLS) as well as from potentiometric titrations. Samples with degree of substitution (ds) ranging from 0.75 to 1.25 were investigated. The relation between molar mass M and radius of gyration Rg as obtained by SEC−MALLS is determined in 0.02, 0.1, and 0.2 mol L-1 NaNO3. Using the electrostatic wormlike chain theory a bare (intrinsic) persistence length Lp0 of CMC is assessed at 16 nm, irrespective of the degree of substitution. A somewhat lower value (12 nm) is obtained when Odijk's theory for the description of polyelectrolyte dimensions is applied. The difference between Lp0 assessed from both models is discussed briefly. Potentiometric titrations were carried out in NaCl solutions (ranging from 0.01 to 1 mol L-1). From the titrations the radius of the CMC backbone was obtained by application of the model of a uniformly charged cylin...
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Hoogendam C. W. et al. Persistence Length of Carboxymethyl Cellulose As Evaluated from Size Exclusion Chromatography and Potentiometric Titrations // Macromolecules. 1998. Vol. 31. No. 18. pp. 6297-6309.
GOST all authors (up to 50) Copy
Van Der Horst P. M., Batelaan J. G. Persistence Length of Carboxymethyl Cellulose As Evaluated from Size Exclusion Chromatography and Potentiometric Titrations // Macromolecules. 1998. Vol. 31. No. 18. pp. 6297-6309.
RIS |
Cite this
RIS Copy
TY - JOUR
DO - 10.1021/ma971032i
UR - https://doi.org/10.1021/ma971032i
TI - Persistence Length of Carboxymethyl Cellulose As Evaluated from Size Exclusion Chromatography and Potentiometric Titrations
T2 - Macromolecules
AU - Van Der Horst, P M
AU - Batelaan, J G
PY - 1998
DA - 1998/08/15
PB - American Chemical Society (ACS)
SP - 6297-6309
IS - 18
VL - 31
SN - 0024-9297
SN - 1520-5835
ER -
BibTex |
Cite this
BibTex (up to 50 authors) Copy
@article{1998_Hoogendam,
author = {P M Van Der Horst and J G Batelaan},
title = {Persistence Length of Carboxymethyl Cellulose As Evaluated from Size Exclusion Chromatography and Potentiometric Titrations},
journal = {Macromolecules},
year = {1998},
volume = {31},
publisher = {American Chemical Society (ACS)},
month = {aug},
url = {https://doi.org/10.1021/ma971032i},
number = {18},
pages = {6297--6309},
doi = {10.1021/ma971032i}
}
MLA
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MLA Copy
Hoogendam, C. W., et al. “Persistence Length of Carboxymethyl Cellulose As Evaluated from Size Exclusion Chromatography and Potentiometric Titrations.” Macromolecules, vol. 31, no. 18, Aug. 1998, pp. 6297-6309. https://doi.org/10.1021/ma971032i.