n-Octanoic acid, MJU-100A, Tetronix T-701, POE(6)-2-ethylhexyl ether, Newpol PE-68, 솔비톨 및 인산 등을 블렌딩하여 산성탈지제(ADA)를 제조하였다. ADA로서 알루미늄 시료편을 택하여 여러 가지 물성시험을 해 본 결과, ADA-5의 농도 3wt%, $70^{\circ}C$의 조건에서 탈지율은 98%로서 양호한 탈지효과를, etching율은 0.277%로서 시판품 보다 더 낮은 etching율을 각각 나타내었다. 또한 ADA-5의 농도 20wt%, $65^{\circ}C$의 조건에서 제청율은 93%였고, Ross and Miles법과 Ross and Clark법에 의한 저기포력시험 결과 양호한 소포효과를 보여주었다.
n-Octanoic acid, MJU-100A, Tetronix T-701, POE(6)-2-ethylhexyl ether, Newpol PE-68, 솔비톨 및 인산 등을 블렌딩하여 산성탈지제(ADA)를 제조하였다. ADA로서 알루미늄 시료편을 택하여 여러 가지 물성시험을 해 본 결과, ADA-5의 농도 3wt%, $70^{\circ}C$의 조건에서 탈지율은 98%로서 양호한 탈지효과를, etching율은 0.277%로서 시판품 보다 더 낮은 etching율을 각각 나타내었다. 또한 ADA-5의 농도 20wt%, $65^{\circ}C$의 조건에서 제청율은 93%였고, Ross and Miles법과 Ross and Clark법에 의한 저기포력시험 결과 양호한 소포효과를 보여주었다.
Acidic degreasing agent(ADA) was prepared by blending n-octanoic acid, MJU-100A, Tetronix T-701, POE(6)-2-ethylhexyl ether, Newpol PE-68, sorbitol, and phosphoric acid. The physical properties of ADA tested with aluminum specimen showed the following results; when 3wt% ADA-5 was performed at $7...
Acidic degreasing agent(ADA) was prepared by blending n-octanoic acid, MJU-100A, Tetronix T-701, POE(6)-2-ethylhexyl ether, Newpol PE-68, sorbitol, and phosphoric acid. The physical properties of ADA tested with aluminum specimen showed the following results; when 3wt% ADA-5 was performed at $70^{\circ}C$, the degreasing rate was 98% 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 ADA-5 was added at $65^{\circ}C$, the percentage of derusting was 93% and the good defoaming effect proved by following low foaming power tests respectively : Ross and Miles, and Ross and Clark methods.
Acidic degreasing agent(ADA) was prepared by blending n-octanoic acid, MJU-100A, Tetronix T-701, POE(6)-2-ethylhexyl ether, Newpol PE-68, sorbitol, and phosphoric acid. The physical properties of ADA tested with aluminum specimen showed the following results; when 3wt% ADA-5 was performed at $70^{\circ}C$, the degreasing rate was 98% 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 ADA-5 was added at $65^{\circ}C$, the percentage of derusting was 93% and the good defoaming effect proved by following low foaming power tests respectively : Ross and Miles, and Ross and Clark methods.
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