DOI: 10.1180/claymin.1970.008.3.08. The Adsorption of Poly(Ethylene Glycols) on Clay Minerals

The Adsorption of Poly(Ethylene Glycols) on Clay Minerals

10.1180/claymin.1970.008.3.08

Crossref journal-article

Mineralogical Society

Clay Minerals (7149)

Abstract

AbstractPoly(ethylene glycols) of molecular weights 200 to 20000 were strongly adsorbed on montmorillonite from aqueous solution. Free energies of adsorption calculated from the adsorption isotherms became more negative with increase in molecular weight and the entropy change became increasingly positive, probably due to a net desorption of water from the clay surface as the organic compound was adsorbed. The adsorption of the higher molecular weight polymers caused an increase in the interlamellar separation. The effect of the exchangeable cation on the adsorption followed the order Cs > Na > Ca > Al, indicating that the cation retained its hydration shell and did not form a direct association with the adsorbed organic molecules. Some evidence was obtained that 'water bridges' were formed between exchangeable calcium an aluminium ions and the ether groups of the polymers.

Bibliography

Parfitt, R. L., & Greenland, D. J. (1970). The Adsorption of Poly(Ethylene Glycols) on Clay Minerals. Clay Minerals, 8(3), 305â315.

Authors 2

R. L. Parfitt (first)
D. J. Greenland (additional)

References 17 Referenced 153

10.1016/0095-8522(63)90058-8
{'key': 'S0009855800018690_ref012', 'first-page': '597', 'volume': '1', 'author': 'Kijne', 'year': '1968', 'journal-title': 'Trans. 9th int. Congr. Soil Sci., Adelaide,'} / Trans. 9th int. Congr. Soil Sci., Adelaide, by Kijne (1968)
{'key': 'S0009855800018690_ref002', 'first-page': '627', 'volume': '43', 'author': 'Brindley', 'year': '1958', 'journal-title': 'Am. Miner.'} / Am. Miner. by Brindley (1958)
10.1071/SR9640046
10.1039/TF9656102478
10.1039/jr9600003973
{'key': 'S0009855800018690_ref007', 'first-page': '415', 'volume': '28', 'author': 'Greenland', 'year': '1965', 'journal-title': 'Soils Fertil.'} / Soils Fertil. by Greenland (1965)
10.1039/TF9656102024
10.1016/0016-7037(60)90135-6 / Geochim. cosmochim. Acta, by Hoeeman (1960)
10.1021/j150563a007
10.1039/tf9575300921
{'key': 'S0009855800018690_ref015', 'volume-title': 'Nonionic Surfactants,', 'author': 'Scnlck', 'year': '1967'} / Nonionic Surfactants, by Scnlck (1967)
10.1007/BF01499222 / Kolloid Z. by Scrtotr (1964)
10.1021/j100816a024
10.1002/app.1959.070010110
10.1021/ja00978a050
10.1111/j.1365-2389.1964.tb02217.x

Dates

Type	When
Created	18 years, 8 months ago (Dec. 8, 2006, 5:55 a.m.)
Deposited	6 years, 3 months ago (May 31, 2019, 5:03 p.m.)
Indexed	2 months, 3 weeks ago (June 11, 2025, 12:58 a.m.)
Issued	55 years, 2 months ago (July 1, 1970)
Published	55 years, 2 months ago (July 1, 1970)
Published Online	7 years, 1 month ago (July 9, 2018)
Published Print	55 years, 2 months ago (July 1, 1970)

Funders 0

None

BibTeX

@article{Parfitt_1970, title={The Adsorption of Poly(Ethylene Glycols) on Clay Minerals}, volume={8}, ISSN={1471-8030}, url={http://dx.doi.org/10.1180/claymin.1970.008.3.08}, DOI={10.1180/claymin.1970.008.3.08}, number={3}, journal={Clay Minerals}, publisher={Mineralogical Society}, author={Parfitt, R. L. and Greenland, D. J.}, year={1970}, month=jul, pages={305–315} }

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