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배장순 ( Jang Soon Bae ),박찬교 ( Chan Kyo Park ),성기천 ( Ki Chun Sung ),이석우 ( Seok Woo Lee ),황용현 ( Yong Hyun Hwang ) 한국유화학회 2004 한국응용과학기술학회지 Vol.21 No.2
N/A According to increase of using quantity, people interested in the environmental influence by synthetic detergent. The main visible form when synthetic detergent dissolved in water is generating foams. This foam makes coating over water surface and prevents oxygen penetrating in water and make water more polluted with that result. To analyze, components and origins of the foam, and to make clear its environmental influence in this study. The analyzing objects are introducing water of sewage treatment plant from the a tributary to the Han River. After analysis, reached the conclusion like below, Analyzing foams and introducing water by sublation method, average return rate of standard LAS (1.0ppm) is 90%. LAS contents of foams analyzed by UV photometric method and HPLC method are 35.0ppm and 44.5ppm each, and AOS contents of foams analyzed by the same method are 0.6ppm and 0.4ppm each. We can find out by this study`s analyzing results that the main components of foams are anion surfactant, it`s content and in case of capric acid linoleic acid, it`s contents.
배장순 ( Jang Soon Bae ),박찬교 ( Chan Kyo Park ),성기천 ( Ki Chun Sung ),이석우 ( Seok Woo Lee ),황용현 ( Yong Hyun Hwang ) 한국유화학회 2004 한국응용과학기술학회지 Vol.21 No.2
N/A The adsorption of heavy metals in the waste water carried out on the various domestic clays and waste pottery. The effect of parameters such as pH, temperature, adsorption time and coexisting cations on the adsorption ability and characteristics were investigated to find out whether the clays could be used as adsorbents. Adsorption equilibrium was reached within 20 minutes on all the clays. The optimum pH was found to be above 5. When other cations such as Cu(Ⅱ) or Zn(Ⅱ) coexisted with Pb(Ⅱ), the adsorption amount of Pb(Ⅱ) decreased because of competing adsorption.
열처리 온도에 따라 제조된 탄소 코팅된 TiO<sub>2</sub>에 대한 광촉매 효과
진명량,배장순,오원춘,Chen, Ming-Liang,Bae, Jang-Soon,Oh, Won-Chun 한국분석과학회 2006 분석과학 Vol.19 No.6
Carbon-coated $TiO_2$ was prepared by $CCl_4$ solvent mixing method with different heat treatment temperature (HTT). Since the carbon layers derived from pitch on the $TiO_2$ particles were porous, the carbon-coated $TiO_2$ sample series showed a good adsorptivity and photo decomposition activity. The BET surface area was decreased by the increasing of the heat treatment temperature. The SEM results present to the characterization of surface texture on the carbon-coated $TiO_2$ sample and carbon distributions on the surfaces for all the materials used. The main elements of C, O and Ti were shown from EDX spectra. And the quantity of these elements is very rich in the samples. From XRD data, the pristine anatase peaks were observed in the X-ray diffraction patterns for the carbon-coated $TiO_2$ at the different HTTs. However, the rutile peaks were observed for the carbon-coated $TiO_2$ at HTT of 1073 K and 1123 K. Finally, the excellent photocatalytic activity of carbon-coated $TiO_2$ with UV-vis spectra between absorbance and time could be attributed to the homogeneous coated carbon on the external surface and structural phase transform, and the photocatalytic activity was decreased by the increasing of the HTT.
새로운 Poly ( enaryloxynitriles ) 의 합성과 그 열적 성질
김병구,배장순,공명선 ( Byung Gu Kim,Jang Soon Bae,Myoung Seon Gong ) 한국공업화학회 1995 공업화학 Vol.6 No.4
주쇄에 다양한 화학 구조를 가진 새로운 poly(enaryloxynitriles)을 p-bis(1-chloro-2,2-dicyanovinyl)benzene (2)과 sulfide, sulfone, azo, acetal, imide, ether 그리고 ester 결합을 포함한 디 페놀 유도체의 나트륨 염과 계면중합에 의하여 합성하였다. 생성된 중합체는 고유 점도가 0.12∼0.45 dL/g이었으며 중량 평균 분자량은 9000∼12000이었다. 그들 중합체는 극성 반양자성 용매에 매우 잘 녹았으며 alkyl, acetal, ester를 가진 diphenol로부터 합성된 중합체는 THF나 aceton에도 매우 잘 녹았다. 그러나 중합체의 DMF 용액으로 부터 용매 증발후 단단하고 부서지시 쉬운 막이 형성되었다. 중합체들은 350℃에서 열경화 반응이 진행되어 불용성 물질이 형성되었다. 거의 모든 중합체가 350∼450℃사이에서 10% 중량 감량을 유지하였으며, 500℃에서 잔사량은 70∼85%로서 열안정성을 보여주었다. New poly(enaryloxynitriles) with a variety of chemical structure in the main chain were prepared by interfacial polymerization of p-bis(1-chloro-2,2-dicyanovinyl) benzene (2) with disodium salts of diphenol derivatives containing sulfide, sulfone, azo, acetal, imide, ether and ester group. The resulting polymers possess inherent viscosities of 0.12∼0.45 dL/g and Mw in the range 9000∼12000. They are easily soluble in polar aprotic solvents. The polymers derived from diphenols with alkyl, acetal and ester units were even soluble in common organic solvents such as THF and acetone. Brittle and hard films can be cast from DMF solutions. These polymers show a large exotherm in differnetial scanning calorimetry and undergo a curing reaction around 350℃ to form insoluble materials. Almost all the poly (enaryloxynitriles) retained a 10% weight loss being recorded between 350∼450℃ in nitrogen and displayed 70∼85% residual weight at 500℃.
하경진,박홍수,배장순,김영근 ( Kyung Jin Ha,Hong Soo Park,Jang Soon Bae,Young Keun Kim ) 한국유화학회 1997 한국응용과학기술학회지 Vol.14 No.3
Low foaming acidic degreasing agent(LFADAs) were prepared by blending sorbitol, n-octanoic acid, MJU-100A, Tetronix T-701, Na-dioctyl sulfosuccinate, Demol C, and phosphoric acid. The physical properties of LFADAs tested with aluminum specimen showed the following results ; when 3wt% LFADA-6 was performed at 70℃, the degreasing rate was 95% which is comparitively good, and the percentage of etching was 0.275% which was found to be less than that of commercialized product. When 20wt% of LFADA-6 was added at 65℃, the percentage of derusting was 92% and the good defoaming effect proved by following low foaming power tests respectively : Ross and Miles, and Ross and Clark methods.
오원춘 ( Won Chun Oh ),배장순 ( Jang Soon Bae ) 한국공업화학회 2003 공업화학 Vol.14 No.1
야자계 활성탄, 석탄계 활성탄, PAN계 탄소섬유 및 금속 처리 활성탄소섬유를 사용하여 오염수로부터 어염된 물질을 제거하기 위한 탄소 필터를 특성화 하였다. 오염물질의 흡착은 다공성 탄소나 이들 탄소섬유의 동공크기의 조절에 의하여 비표면적을 증가시켜서 강화시켜줄 수 있다. 한가지 가능한 방법으로 높은 비표면적을 가진 다공성 탄소나 섬유를 사용하여 4단계 필터를 사용하여 새로운 필터계를 구성하는 것이다. 본 연구에서 사용된 다공성 탄소질의 비표면적은 아자계 활성탄이 1440m^2/g, 석탄계 활성탄이 1402m^2/g, 활성탄소섬유가 2051m^2/g이었고, 은처리한 활성탄소섬유가 688m^2/g이었다. 다공성 탄소질의 물리화학적 특성을 나타내기 위하여 흡착등온곡선, 동공분포와 평균 동공직경 및 전자주사현미경 사진 결과를 얻었다. 마지막으로 본 연구에서 특별히 강조하고 싶은 것은 새로운 4단계 탄소질 필터의 여과 전후의 정량적인 생물학적 분석과 미량 원소분석의 결과라고 할수 있다. The studies on characterization of carbon filters, removing pollutants from waste water, prepared from coconut shell based activated carbon, bituminous coal based activated carbon, PAN based and metal-treated activated carbon fiber were carried out. Adsorption of pollutants was found to be enhanced by increasing the specific area with appropriate pore size of the microporous carbons and their fibers. One possible method is a new composition using four-step carbon filters with high surface area such as activated carbons and fibers. In this study, specific surface areas of porous carbon materials were 1440m^2/g for coconut based activated carbon; 1402m^2/g for coal based activated carbon; 2051m^2/g for activated carbon fiber; and 688m^2/g for Ag treated activated carbon fiber. In order to obtain physicochemical properties of porous carbons, adsorption isotherm, pore size distribution, average pore diameter and SEM images were obtained. Finally, special emphasis was placed on quantitative biological and elemental analysis of contaminated water before and after filtering using the new four-step porous carbon filter.
지방산 카르바미드/왁스/아크릴 공중합체의 블렌드에 의한 내구유연발수제의 제조에 관한 연구 (IV)
박홍수(Park Hong Soo),배장순(Bae Jang Soon) 한국유화학회 1995 한국응용과학기술학회지 Vol.12 No.2
To prepare a durable softening water repellent, quaternized octadecyl methacrylate-2-diethyl-aminoethyl methacrylate as a mother resin and quaternized 1, 3-dioctadecyl-2, 7-dioxy-6, 8-di(2-hydroxyethyl)-1, 3, 6, 8-tetraazacyclodecane which increase the softening effect and the hydrostatic pressure blended with waxes and their emulsifier in various proportions to give water repellent PADWC. As the results of the measurement of water repellency, washable, tear strength and crease recovery to polyestercotton(P/C) blended fabrics treated with PADWC only or addition of textile finishing resin, the physical properties were increased. There was no significant lowering effect in water repellency when PADWC was treated the antistatic agent by the one-bath method, and the effect of water repellency by the adding the catalyst was studied. PADWC was confirmed as durable water repellent with the results of making little difference of water repellency as ±5 point after and before washing.