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http://dx.doi.org/10.12925/jkocs.2003.20.1.3

Preparation and Characterization of Acidic Degreasing Agents for Aluminum  

Chung, Dong-Jin (Department of Chemical Engineering, Myongji University)
Park, Hyong-Jin (Department of Chemical Engineering, Myongji University)
Kim, Sung-Rae (Department of Chemical Engineering, Myongji University)
Jung, Choong-Ho (Department of Chemical Engineering, Myongji University)
Wu, Jong-Pyo (Department of Chemical Engineering, Myongji University)
Hahm, Hyun-Sik (Department of Chemical Engineering, Myongji University)
Park, Hong-Soo (Department of Chemical Engineering, Myongji University)
Publication Information
Journal of the Korean Applied Science and Technology / v.20, no.1, 2003 , pp. 20-26 More about this Journal
Abstract
Acidic degreasing agent(AADA) was prepared by blending sorbitol, Newpol PE-68, Na-dioctyl sulfosuccinate, Tetronix T-70l, MJU-100A, n-octanoic acid, and phosphoric acid, The physical properties of AADA tested with aluminum specimen showed the following results ; when 3wt% AADA-5 was performed at 70$^{\circ}C$, the degreasing rate was 95% which is comparitively good, and the percentage of etching was 0.277% which was found to be less than that of commercialized product. when 20wt% of AADA-5 was added at 65$^{\circ}C$, the percentage of derusting was 91% and the good defoaming effect proved by following low foaming power tests respectively : Ross and Miles, and Ross and Clark methods.
Keywords
acidic degreasing agent; foam height; etching; derusting;
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