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Citation: Huang Ying, Liu Xiangluan, Shi Tong. Formation Mechanism of Large Emulsion Particles in Emulsion Polymerization of Dimethylsiloxane I.Stability of Cationic Emulsions Towards Electrolytes[J]. Chinese Journal of Applied Chemistry, ;1994, 11(2): 44-47. shu

Formation Mechanism of Large Emulsion Particles in Emulsion Polymerization of Dimethylsiloxane I.Stability of Cationic Emulsions Towards Electrolytes

1.
Institute of Chemistry, Chinese Academy of Sciences, Beijing 100080

Received Date: 15 June 1993
Available Online: 10 December 1993
Fund Project:

The stability of polydimethylsiloxane cationic emulsions towards electrolytes was studied.The results indicate that inorganic salts such as NaCl or Na₂SO₄ from the emulsfierand catalyst during the emulsion polymerization may cause a slow coagulation of emulsionparticles to form large emulsion particles which would result in creaming of the cationicemulsions.Addition of a non-ionic surfactant of polyethylene glycol oxide type greatly in-creases the stability of the cationic emulsions towards electrolytes,preventing the coagulation of emulsions particles and formation of large emulsion particles caused by electrolytes.
- polydimethylsiloxane cationic emulsions,
- stability,
- emulsion particle
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