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http://dx.doi.org/10.12925/jkocs.2004.21.4.10

Properties of Microemulsion Containing Quaternary Ammonium Salt as Polishing Wax  

Lee, Jang-Weon (Department of Industrial Chemical Engineering Graduate School, Chungbuk National University)
Kim, Myung-Soo (Department of Industrial Chemical Engineering Graduate School, Chungbuk National University)
Jeong, Noh-Hee (Department of Industrial Chemical Engineering Graduate School, Chungbuk National University)
Publication Information
Journal of the Korean Applied Science and Technology / v.21, no.4, 2004 , pp. 335-344 More about this Journal
Abstract
In this work, the properties as polishing wax for automobile of O/W type microemulsion containing wax, liquid paraffine and quaternaryammonium salt was investigated. The microemulsions were prepared at $96{\sim}97^{\circ}C$ by the phase inversion method, and polyoxyethylene(20) sorbitan monooleate (POE(20)SMO) and distearyl dimethyl ammonium chloride(D.D.A.C) as the emulsifiers were used. The mean particle size of the rnicroemulsions was about 7${\pm}$0.5nm and as the properties of polishing wax, gloss increased degree, water resistant gloss degree, initial and final contact angle after water resistance were tested. The result was that the value of water resistantance and contact angle were decreased with increasing amount of POE(20)SMO and D.D.A.C., while the gloss degree values did not affected. And the rnicroemulsion blended with mono ethylene glycol(MEG) of 5${\sim}$15wt% showed smaller particle size and more stable particle size distribution than without MEG. Finally, this microemulsion showed more excellent values of gloss degree, the water resistant gloss degree and contact angle, than two kinds of commercial polishing wax for automobile.
Keywords
microemulsion; polishing wax; automobile; gloss degree; contact angle;
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