skip to main content
OSTI.GOV title logo U.S. Department of Energy
Office of Scientific and Technical Information

Title: Interaction of polymer with discotic clay particles.

Abstract

Normally synthetic well defined monodisperse discotic laponite clays are known to form a gel phase at mass concentrations as low as a few percent in distilled water. Hydrosoluble polymer polyethylene oxide was added to this intriguing clay system, it was observed that it either prevents gelation or slows it down extremely depending on the polymer weight, concentration or the laponite concentration. Small Angle Neutron scattering (SANS) was used to study these systems because only by isotopic labeling can the structure of the adsorbed polymer layers be determined. The contrast variation technique is specifically used to determine separately the different partial structure factors of the clay and polymer. In this way the signal of the adsorbed chains is separated from the signal of the free chains in the dilute regime. Attempts have also been made to characterize the structure in the concentrated regime of laponite with polymer.

Authors:
;
Publication Date:
Research Org.:
Argonne National Lab., IL (US)
Sponsoring Org.:
US Department of Energy (US)
OSTI Identifier:
11922
Report Number(s):
ANL/IPNS/CP-99725
TRN: US0102291
DOE Contract Number:  
W-31109-ENG-38
Resource Type:
Conference
Resource Relation:
Conference: 14th ICCOSS Conference, Cambridge (GB), 07/26/1999--07/30/1999; Other Information: PBD: 4 Aug 1999
Country of Publication:
United States
Language:
English
Subject:
37 INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY; CLAYS; GELATION; POLYETHYLENE GLYCOLS; SMALL ANGLE SCATTERING; STRUCTURE FACTORS; NEUTRON DIFFRACTION; MORPHOLOGY

Citation Formats

Auvray, L., and Lal, J. Interaction of polymer with discotic clay particles.. United States: N. p., 1999. Web.
Auvray, L., & Lal, J. Interaction of polymer with discotic clay particles.. United States.
Auvray, L., and Lal, J. Wed . "Interaction of polymer with discotic clay particles.". United States. https://www.osti.gov/servlets/purl/11922.
@article{osti_11922,
title = {Interaction of polymer with discotic clay particles.},
author = {Auvray, L. and Lal, J.},
abstractNote = {Normally synthetic well defined monodisperse discotic laponite clays are known to form a gel phase at mass concentrations as low as a few percent in distilled water. Hydrosoluble polymer polyethylene oxide was added to this intriguing clay system, it was observed that it either prevents gelation or slows it down extremely depending on the polymer weight, concentration or the laponite concentration. Small Angle Neutron scattering (SANS) was used to study these systems because only by isotopic labeling can the structure of the adsorbed polymer layers be determined. The contrast variation technique is specifically used to determine separately the different partial structure factors of the clay and polymer. In this way the signal of the adsorbed chains is separated from the signal of the free chains in the dilute regime. Attempts have also been made to characterize the structure in the concentrated regime of laponite with polymer.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1999},
month = {8}
}

Conference:
Other availability
Please see Document Availability for additional information on obtaining the full-text document. Library patrons may search WorldCat to identify libraries that hold this conference proceeding.

Save / Share: