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김영찬,김일출,신성련,Kim, Yeoung-Chan,Kim, Il-Chool,Shin, Seong-Lyon 한국정보기술전략혁신학회 2005 情報學硏究 Vol.8 No.1
In this study, polyvinyl alcohol film of japan and china products were measured by FT-IR spectrophotometer, ASTM D882-02(tensile strength) and KS M3048-2001 test method(Thermal Gravitational Analysis). The Chinese product became help in prime cost curtailment. It was confirmed as the result polyvinyl alcohol film which analyzes the Chinese product and the Japanese product. And the result stability which tries to measure the stability against heat was superior.
대칭적 Triazine 유도체들에 의한 알칼리성 Magenta 유제층의 경막시험에 관한 연구
김영찬,Kim, Yeoung-Chan 한국정보기술전략혁신학회 2007 情報學硏究 Vol.10 No.2
In this paper, we describe a study on the relationship between alkaline magenta emulsion manufacture and hardening test of films. The hardeners were prepared by condensation of equimolar amounts of trichlorotriazine with benzene-or naphthalene-based amino or oxy acids at 0 to $5^{\circ}C$ and at pH 7, and used as hardening agents for gelatin. The hardening test of alkaline magenta emulsion was studied at pH 8.5. For example I(R=ONa) had strong hardening properties, I substituted with an aminobenzosulfonate moiety (R=NHC6H4-p-SO3Me where Me = K, Na) was a much weaker gelatin hardener, and when substituted with amino- or oxynaphthalene derivative (II, III) did not harden gelatin at all. Compound with 2 dichlorotriazine groups as IV exhibited hardening properties. The hardener can be used in alkaline magenta emulsion layer of film and showed good hardening effect.
유처리제용 양이온 계면찰성제의 임계미셀농토에서 온도의 효과
김영찬,kim, Yeoung-Chan 해양환경안전학회 2008 海洋環境安全學會誌 Vol.14 No.2
화장품과 유처리제 등에 응용할 수 있는 양이온 계면활성제인 N-octadecyl pyridinium bromide를 사용하여 온도 $40{\sim}60^{\circ}C$ 범위에서 적하법을 이용한 임계미셀농도를 적용 미셀형성에 따른 열역학적 특성(자유에너지, 엔탈피, 엔트로피, 열용량)을 조사하였다. 그 결과 자유에너지 변화는 온도가 증가함에 따라 감소함을 알 수 있었다. Cationic surfactant can be used as cosmetics and chemical dispersants. The variation of critical micelle concentration (CMC) with temperature over the range $40^{\circ}C$ to $60^{\circ}C$ for N-octadecyl pyridinium bromide was measured by drop methods. Thermodynamic quantities such as free energy, enthalpy, entropy and heat capacity for micellization of N-octadecyl pyridinium bromide in water were calculated by fourth-degree polynominal equation In the result, free energy change was decreased generally by the increment of temperature.
김영찬,Kim, Yeoung-Chan 한국정보기술전략혁신학회 2004 情報學硏究 Vol.7 No.2
The symmetric 9-phenyl-5,5'-diphenyl-3,3'-bis-(3-sulfopropyl)-benzoxazolo carbocyanine triethyl ammonium salt is of industrial importance as green-sensitizing dye in the spectral sensitization of emulsion microcrystals in negative film and positive paper-making. The stability on the solvents of benzoxazolo carbocyanine dye was measured by UV-Vis spectrophotometer, and then dye was stabilized in various solvents. The maximum absorption peak range in various solvents was 507nm~515nm. It was identified that the solvents can be used to photographic emulsion.
Honey Flavor 향을 함유하는 아크릴계 수성페인트에 관한 연구
김영찬,김일출,Kim, Yeoung-Chan,Kim Il-Chool 한국정보기술전략혁신학회 2004 情報學硏究 Vol.7 No.1
In this study, acrylic water-soluble coatings were prepared by the white pigment($TiO_2$) and acrylic resin. The basic properties of acrylic water-soluble coatings were measured, and the maintenance of perfume was investigated by FT-IR spectrophotometer and sensory test.
천연색 인화지용 사진유제 제조와 경막 시험에 관한 연구
김영찬,Kim, Yeoung-Chan 한국정보기술전략혁신학회 2005 情報學硏究 Vol.8 No.4
In this paper, we describe a study on the relationship between photographic emulsion manufacture and hardening test of color paper. The hardener was prepared by the reaction of cyanuric chloride with sodium hydroxide, disodium hydrogenphosphate-12-water and trisodium phosphate-12-water in the presence of water. The hardener used in this study is a 2,4-dichloro-6-hydroxy-1,3,5-triazine mono sodium salt. The hardening test of photographic emulsion was studied respectively at pH 5.5, 7, 8.5 and about increasing temperature. Novel hardener can be used in photo-graphic emulsion of color paper and showed very good hardening effect.
대칭적 Triazine 유도체들에 대한 젤라틴 유제층의 경막 시험에 관한 연구
김영찬,Kim, Yeoung-Chan 한국정보기술전략혁신학회 2006 情報學硏究 Vol.9 No.1
In this paper, we describe a study on the relationship between photographic emulsion manufacture and hardening test of films. The hardeners were prepared by condensation of equimolar amounts of trichlorotriazine with benzene- or naphthalene-based amino or oxy acids at 0 to 5$^{\circ}C$ and at pH 7, and used as hardening agents for gelatin. The hardening test of photographic emulsion was studied at pH 5.5. For example I(R=ONa) had strong hardening properties, I substituted with an aminobenzosulfonate moiety (R=$NHC_6H_4-p-SO_3Me$ where Me = K, Na) was a much weaker gelatin hardener, and when substituted with amino- or oxynaphthalene derivative (II, III) did not harden gelatin at all. Compound with 2 dichlorotriazine groups as IV exhibited strong hardening properties. The hardener can be used in photographic emulsion of film and showed very good hardening effect.
김영찬,Kim, Yeoung-Chan 한국정보기술전략혁신학회 2005 情報學硏究 Vol.8 No.3
In this paper, we describe a study on the relationship between spectral sensitization and photographic characteristics of color paper. The photographic emulsion used in this study is a green-sensitizing emulsion. U.V maximum absorption peak value of 9-phenyl-5,5'-diphenyl-3,3'-bis(3-sulfopropyl)benzoxazolo carbocyanine triethyl ammonium salt was observed 507nm, and wedge spectrograms maximum peak value of color paper added dye to photographic emulsion was shown 553nm. As compared with the absorption peak of the dye in methanol solution, the sensitizing peaks of 9-phenyl-5,5'-diphenyl-3,3'-bis(3-sulfopropyl)benzoxazolo carbocyanine triethyl ammonium salt have red shifts of 46nm. The photographic characteristics of green-sensitizing emulsion were obtained contrast(2.6), speed(48-57), fog(0.08). Therefore, benzoxazolo carbocyanine dye is of industrial importance as green-sensitizing dye in the spectral sensitization of photographic emulsion.
Hexadecyl Pyridinium Bromide의 임계미셀농도에서 온도의 효과
김영찬,Kim, Yeoung-Chan 해양환경안전학회 2007 해양환경안전학회지 Vol.13 No.4
화장품과 유처리제 등에 응용할 수 있는 계면활성제인 hexadecyl pyridinium bromide를 사용하여 온도 $40{\sim}60^{\circ}C$ 범위에서 임계미셀농도를 적하법으로 측정한 결과를 이용하여 미셀형성에 따른 열역학적 양을 다항식으로 계산하였다. Surfactants can be used as a cosmetics and chemical dispersants. The variation of critical micelle concentration(CMC) with temperature for hexadecyl pyridinium bromide over the range $40^{\circ}C$ to $60^{\circ}C$ has been measured by drop methods. Thermodynamic quantities for micellization of hexadecyl pyridinium bromide in water have been calculated by polynominal equation.
Chay Coupler 중간체의 합성과 발색현상에 관한 연구
김영찬,손병청 ( Yeoung Chan Kim,Byoung Chung Sohn ) 한국유화학회 1996 한국응용과학기술학회지 Vol.13 No.3
In this paper, intermediate cyan coupler was prepared by the reaction of 2-nitro-4, 6-dichloro-5-methylphenol with Pd(5wt%). The product was identified by using various analytical tools such as melting point, elemental analyzer, IR spectrophotometer and mass spectrometer. The reaction of intermediate cyan coupler with CD-3(color development agent) was shown cyan color.