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2014 | 12 | 4 | 476-479
Tytuł artykułu

Comparison of stability properties of poly(acrylic acid) adsorbed on the surface of silica, alumina and mixed silica-alumina nanoparticles - application of turbidimetry method

Treść / Zawartość
Warianty tytułu
Języki publikacji
EN
Abstrakty
EN
The influence of anionic poly(acrylic acid) - PAA addition on the stability of synthesized silica, alumina and mixed silica-alumina suspensions as a function of solution pH was studied. The turbidimetry method was used to monitor the changes of the examined systems stability over time. The calculated stability coefficients enabled estimation of polymer adsorption influence on stability of metal oxide suspension. It was shown that the alumina suspension without the polymer is the most unstable at the pH values 6 and 9, whereas the silica polymer was most unstable at pH 3. PAA with higher molecular weight (240 000) is a relatively effective stabilizer of all investigated adsorbents (except silica at pH 3). These properties of poly(acrylic acid) are highly desirable in many branches of industry (e.g. production of cosmetics, pharmaceuticals, paints) where polymers are widely used as effective stabilizers of colloidal suspensions.
Wydawca
Czasopismo
Rocznik
Tom
12
Numer
4
Strony
476-479
Opis fizyczny
Daty
wydano
2014-04-01
online
2014-01-16
Twórcy
autor
  • Maria Curie Sklodowska University
  • Maria Curie Sklodowska University
  • National Academy of Sciences of Ukraine
  • National Academy of Sciences of Ukraine
Bibliografia
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Typ dokumentu
Bibliografia
Identyfikatory
Identyfikator YADDA
bwmeta1.element.-psjd-doi-10_2478_s11532-013-0401-6
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