Rheological Properties of Foam
نویسندگان
چکیده
منابع مشابه
Effect of cationic polymers on foam rheological properties.
We study the effect of two cationic polymers, with trade names Jaguar C13s and Merquat 100, on the rheological properties of foams stabilized with a mixture of anionic and zwitterionic surfactants (sodium lauryloxyethylene sulfate and cocoamidopropyl betaine). A series of five cosurfactants are used to compare the effect of these polymers on foaming systems with high and low surface dilatationa...
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We have determined bulk rheology of β-lactoglobulin (BLG) foams and surface viscoelasticity of corresponding protein solutions by varying pH as well as type, valency and concentration of the added salt in a wide range. Foam rheology was characterized by the storage modulus G0, the apparent yield stress τy, and the critical strain γc,foam defining the cessation of the linear viscoelastic respons...
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This research aimed to assess and determine rheological properties of chocolate pistachio produced from various volumes of monoglycoside (1% and 2%), date powders (34, 38 and 42%) and pistachio pastes. The analyses were performed at temperaturesof 45 ºC, 65 ºC after 3 and 5 hours of processing. These products were found to exhibit nonNewtonian, pseudo-plastic behavior at all treatments. Apparen...
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Because of their large specific surface area, aqueous-based pseudolatex systems of ethylcellulose can absorb large amounts of drugs. In addition, the stability of polymeric particles in biological fluids delays the release of the drug as in controlled drug delivery systems. The aim of the present study was to characterize the rheological properties of latex particles as a measure of their collo...
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From measurements with a Couette-type viscometer provided with a guard ring it was shown that at the saliva-air interface a protein layer is adsorbed. Measurements of the surface shear modulus of this layer on saliva of 7 healthy subjects were performed at a frequency of about 70 Hz and a temperature of 25 degrees C. For a surface age of about 1.5 h the surface shear modulus and the surface vis...
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ژورنال
عنوان ژورنال: Nihon Reoroji Gakkaishi(Journal of the Society of Rheology, Japan)
سال: 1977
ISSN: 0387-1533
DOI: 10.1678/rheology1973.5.1_31