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STABILITY OF AQUEOUS FOAMS WITH POLYMER ADDITIVES .3. MEASUREMENTS AND CALCULATIONS OF STABILITY OF FOAMS GENERATED AT DIFFERENT PRESSURES

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Title STABILITY OF AQUEOUS FOAMS WITH POLYMER ADDITIVES .3. MEASUREMENTS AND CALCULATIONS OF STABILITY OF FOAMS GENERATED AT DIFFERENT PRESSURES
 
Creator PRADHAN, MS
KHILAR, KC
 
Subject drainage
 
Description The stability of aqueous foams with polymer additives has been studied at different generation pressures. While the stability increases significantly with the increase of generation pressure for foams without any additive, it, however, changes weakly with the change in generation pressure for foams with polymer additives. Consistent with the previously reported studies, it is found that the foam stability (drainage half-life) increases, primarily due to the decrease of bubble size, at higher generation pressures, when the foam is produced in a packed bed. Calculations of drainage half-life were conducted using a modified lamella drainage model as well as a simple network model. It is found that the network model predictions agree reasonably well with measurements. (C) 1994 .
 
Publisher ACADEMIC PRESS INC JNL-COMP SUBSCRIPTIONS
 
Date 2011-07-12T20:31:01Z
2011-12-26T13:02:41Z
2011-12-27T05:49:21Z
2011-07-12T20:31:01Z
2011-12-26T13:02:41Z
2011-12-27T05:49:21Z
1994
 
Type Article
 
Identifier JOURNAL OF COLLOID AND INTERFACE SCIENCE, 168(2), 333-338
0021-9797
http://dx.doi.org/10.1006/jcis.1994.1428
http://dspace.library.iitb.ac.in/xmlui/handle/10054/3508
http://hdl.handle.net/10054/3508
 
Language en