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Naslov:Rheological studies of concentrated guar gum
Avtorji:Oblonšek, Marija (Avtor)
Šostar-Turk, Sonja (Avtor)
Lapasin, Romano (Avtor)
Datoteke:URL http://dx.doi.org/10.1007/s00397-003-0304-0
 
Jezik:Angleški jezik
Vrsta gradiva:Neznano ()
Tipologija:1.01 - Izvirni znanstveni članek
Organizacija:FS - Fakulteta za strojništvo
Opis:Polymers and surfactants are essential ingredients of the printing paste. Polysaccharides are used commercially to thicken, suspend or stabilise aqueoussystems. Also they are used to produce gels and to act as flocculates, binders, lubricants, to serve as modifiers of film properties, and have a function as adjusters of rheological parameters. Surfactants, on the other hand, perform numerous functions acting as dispersants, wetting agents, emulsifiers and antifoaming agents. The rheological properties of polysaccharide thickeners (guar gums with different substitution levels and different producers) at different concentrations and temperatures and, second,the effects produced by the addition of nonionic surfactants (polyoxyethylene stearyl alcohols with different numbers of EO groups) have been studied under linear and nonlinear shear conditions. Experimental data have been correlated with the different modelsČ flow curves with the Cross, Carreau and Meter-Bird model, and mechanical spectra with the generalized Maxwell model and Friedrich-Braun model. The surface tensions of aqueous systems containing polysaccharide andžor surfactants have been determined overextended concentration ranges in order to detect the CMC conditions and toprovide a better understanding about the polysaccharide-surfactant interactions.
Ključne besede:textile printing, printing pastes, polysaccharides, thickeners, rheology, viscoelasticity, surfactants, guar gum
Leto izida:2003
UDK:677.027.513:677.042.2
COBISS_ID:8424214 Novo okno
ISSN pri članku:0035-4511
NUK URN:URN:SI:UM:DK:3JVCI4N3
Število ogledov:1667
Število prenosov:69
Metapodatki:XML RDF-CHPDL DC-XML DC-RDF
Področja:Ostalo
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Gradivo je del revije

Naslov:Rheologica acta
Skrajšan naslov:Rheol. Acta
Založnik:Springer-Verlag
ISSN:0035-4511
COBISS.SI-ID:5767943 Novo okno

Sekundarni jezik

Jezik:Angleški jezik
Ključne besede:tiskanje tekstilij, tiskarska gošča, polisaharidi, gostila, reologija, viskoelastičnost, površinsko aktivne snovi, guara


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