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Citation:
Yu Ming, Zhang Yu-Ting. Preparation of Hydrophobic Sols by Method of Emulsion[J]. Acta Physico-Chimica Sinica,
;1997, 13(01): 74-78.
doi:
10.3866/PKU.WHXB19970116
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Uniform colloidal particles of BaCO3 are produced in the system of n-octanol, BaCl2 and Na2CO3 aqueous solutions under the action of hexadecyltrimethyammonium bromide(CTAB) by the methods of single-emulsion, double-emulsion, solution and gas-blasting. The key factors, which determine the size, shape and uniformity of the particles, as well as the suitable methods to prepare uniform colloidal particles are figured out by comparing different (water-oil) phase ratios, kinetics of particles' growth and different methods of preparing hydrophobic sols.
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Keywords:
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Emulsion
, - Pool-effect,
- Phase ratio,
- Collision coagulation
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