THE EFFECT OF BUTYL GLYCOL ACETATE/ETHYL ACETATE MIXED SOLVENTS COMPOSITION ON NITROCELLULOSE SOLUTION EMULSIFICATION: THE STABILITY OF RESULTANT

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JAVIDNIA H.; MOHAMMADI NASER; MOUSAVI SHOUSHTARI S.A.; GHASEMIRAD S.; FARAJPOUR T.; GHANBARI MOHAMMAD REZA

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Journal: Iranian Polymer Journal Year:2010 | Volume:19 | Issue:5 (119) Page(s): 323-332

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Title

THE EFFECT OF BUTYL GLYCOL ACETATE/ETHYL ACETATE MIXED SOLVENTS COMPOSITION ON NITROCELLULOSE SOLUTION EMULSIFICATION: THE STABILITY OF RESULTANT

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Keywords

EMULSIFICATION

NITROCELLULOSE

NON-IONIC SURFACTANT

STABILITY

MICRO-FILTRATION

Abstract

The effect of butyl glycol acetate (BGA)/ethyl acetate (EA) mixed solvents com-position on NITROCELLULOSE (NC) solution miscibility and rheological properties with or without NON-IONIC SURFACTANTs was investigated. In addition the EMULSIFICATION of the solution containing two NON-IONIC SURFACTANTs with weight average hydrophilic/lipophilic balance of 14.75 (oil phase), its colloidal STABILITY and microfilterability were studied. The results showed that oil phase viscosity and surface tension increase by high boiling point solvent (BGA) between 50 and 87.5 wt%, which reduced the colloid particle size from 35 mm down to 10mm. While surfactant free solution viscosity of NC in the BGA/EA mixed solvents increased to a maximum at 75 wt% of BGA, the addition of the NON-IONIC SURFACTANTs changed the situation to a minimum at the same BGA content. The complex behavior was assigned to the competitive interactions of solution components via hydrogen bond formation. The colloid particle size decreases depended also on Dgmixc, the Gibbs free energy density of mixing two phases, due to higher solution BGA content. Power law dependence of 0.09 and -1.31 was found for the colloid particle size or sedimentation rate dependence on Dgmixc and the oil phase viscosity, respectively. Finally, the prepared colloidal systems did not permeate through the membrane with 400 nm cross-through channels under 10 atm of nitrogen pressure, which was attributed to the oil phase NON-IONIC SURFACTANTs adsorption on the membrane surfaces.

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APA: Copy

JAVIDNIA, H., MOHAMMADI, NASER, MOUSAVI SHOUSHTARI, S.A., GHASEMIRAD, S., FARAJPOUR, T., & GHANBARI, MOHAMMAD REZA. (2010). THE EFFECT OF BUTYL GLYCOL ACETATE/ETHYL ACETATE MIXED SOLVENTS COMPOSITION ON NITROCELLULOSE SOLUTION EMULSIFICATION: THE STABILITY OF RESULTANT. IRANIAN POLYMER JOURNAL (ENGLISH), 19(5 (119)), 323-332. SID. https://sid.ir/paper/572872/en

Vancouver: Copy

JAVIDNIA H., MOHAMMADI NASER, MOUSAVI SHOUSHTARI S.A., GHASEMIRAD S., FARAJPOUR T., GHANBARI MOHAMMAD REZA. THE EFFECT OF BUTYL GLYCOL ACETATE/ETHYL ACETATE MIXED SOLVENTS COMPOSITION ON NITROCELLULOSE SOLUTION EMULSIFICATION: THE STABILITY OF RESULTANT. IRANIAN POLYMER JOURNAL (ENGLISH)[Internet]. 2010;19(5 (119)):323-332. Available from: https://sid.ir/paper/572872/en

IEEE: Copy

H. JAVIDNIA, NASER MOHAMMADI, S.A. MOUSAVI SHOUSHTARI, S. GHASEMIRAD, T. FARAJPOUR, and MOHAMMAD REZA GHANBARI, “THE EFFECT OF BUTYL GLYCOL ACETATE/ETHYL ACETATE MIXED SOLVENTS COMPOSITION ON NITROCELLULOSE SOLUTION EMULSIFICATION: THE STABILITY OF RESULTANT,” IRANIAN POLYMER JOURNAL (ENGLISH), vol. 19, no. 5 (119), pp. 323–332, 2010, [Online]. Available: https://sid.ir/paper/572872/en

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