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KMID : 1024519990080010061
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Journal of the Environmental Sciences
1999 Volume.8 No. 1 p.61 ~ p.67
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Characterization of Emulsion Properties for Modified Amino Polysiloxanes
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Ha Youn-Shick
Seo Moo-Lyong
Lee Jung-Kyung
Park Kyeong-Il
Chang Yoon-Ho
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Abstract
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Silicone oil has organic and inorganic properties, and its skeleton is polysiloxane bonding that silicon is bonded hydrogen or organic group. Silicone compounds are very smooth and lubricant properties by low surface tension, low temperature dependence, and nonadhesive properties. Because of these properties, silicone compounds are used as many parts of chemicals, softener, smooth and libricant agents, water-repellent agent, and defoaming agent, etc. Emulsion was prepared with the inversion emulsification method which adopted the agent-in-oil method dissolving the polyoxyethylene(7) tridecyl ether(HLB 12.2) into methoxy terminated poly(dimethyl-co-methyl amino) siloxane and hydroxy terminated poly(dimethyl-co-methyl amino) siloxane in water. At this time, processed emulsion was almost microemulsion. When ratio of emulsifier increases, emulsion is stable bacuause microemulsion is solubilized by emulsion drop size and zeta-potential are decreased. But, when amount of electrolyte is increase, emulsion became unstable because emulsion drop size is increased.
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KEYWORD
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emulsion properties, modified amino polysiloxanes
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