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배수중 (排水中) 유분 (油分) 분석에서 합성세제가 미치는 영향
홍사욱,이길철,김성래 ( Sa Uk Hong,Kil Cheol Lee,Seong Lae Kim ) 한국하천호수학회 1984 생태와 환경 Vol.17 No.3·4
In order to investigate the extent of error caused by synthetic detergents in oil determination of industrial drainings and to take measurement with accuracy, An author performed this experiment and considered the recovery rate of each tested oil and a recovery variation according to kinds and concentrations of added synthetic detergents and also a recovery change caused by destruction of emulsion. 1. Employing 10 oils and 5 synthetic detergents as testing materials, the changes of n-hexane extracting weight according to kinds and concentrations of added synthetic detergents were examined. 2. The recovery rates of heavy oils such as Bunker-A, Bunker-B, Bunker-C, Rpm #300 and vegetable oil namely soy bean oil were relatively high i. e. 80 to 97%, and the recovery rates of light crude oils such as Indonesia Crude, Kuwait erude, Iranian light were low 25 to 50%. 3. The changes of n-hexane extracting weight were slight according to kinds of each synthetic detergents but were reduced according to the concentration of synthetic detergents. 4. Both of salting out and heating process were performed to destroy emulsion and then the recovery rates of each oil were greatly grown.
이애리 ( Lee Ae Li ),김성래 ( Kim Seong Lae ),함현식 ( Ham Hyeon Sig ),박홍수 ( Park Hong Su ) 한국유화학회 2003 한국응용과학기술학회지 Vol.20 No.4
N/A Organic acid salt of fatty polyamide (DDDT) and acrylate of fatty carbamide (DDTCA) were synthesized as a main component for the softener. O/W type non-ionic softener (NSC) was prepared by blending DDDT and DDTCA with beef tallow, lanolin anhydride, polyoxyethylene(7) stearyl ether, and polyoxyethylene(50) oleyl ether. After treatment of NSC to all cotton fabrics, the physical properties such as tear strength, crease recovery, and flexing abrasion resistance were measured. As a result of the measurement, NSC was proved to be durable non-ionic softener with good softness.