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송기동,오정선 조선대학교 기초과학연구소 2000 自然科學硏究 Vol.23 No.1
The interaction of dye-surfactants and dye-surfactant mixtures have been examined by the absorption spectroscopy. The interaction of surfactant mixtures and the CMC exchange of surfactant mixtures were examined. In dye(Thionin)-anionic surfactant(SDS)system and the absorption band of dimer increased at S/D≤100. In dye-nonionic surfactant(AE)system and the absorption spectra of dimer band was not appeared. In Thionin-SDS-AE system, the change of dimer, monomer and oligomer band was influenced by the CMC of AE. As the concentration of AE increased, the dimer and oligomer of thionin-SDS system was deaggreated. In various temperature, the interaction between Dye and Surfactant mixtures are examine.
김성현,나재운,송기동 한국공업화학회 2000 응용화학 Vol.4 No.1
The mechanical property of EVA(ethylene-vinylacetate copolymer) emulsion added sericite, CaCO₃, Talc, and TiO₂ fillers in the presence of chitosan has been investigated. The viscosity of EVA emulsion adding sericite filler was much better than that of CaCO₃, Talc, and TiO₂ fillers. The viscosity of EVA emulsion adding sericite filler increased in increasing the concentration of chitosan. But, the viscosity of other fillers had the constant tendency. EVA emulsion adding sericite filler in the presence of chitosan had a good viscosity and adhesive strength.
Thionin - 혼합 계면활성제 사이의 분광학적 연구
김성현,오정선,송기동 한국공업화학회 2000 응용화학 Vol.4 No.1
The interaction of dye-surfactant mixtures have been examined by the absorption spectroscopy. The interaction of surfactant mixtures and the CMC exchange of surfactant mixtures are examined. In dye(Thionin)-anionic surfactant(SDS)system, the absorption band of dimer increased at S/D ≤100. In Thionin-SDS-AE system, the change of dimer, monomer and oligomer band was influenced the CMC of AE. In various temperature, the interaction between Dye and Surfactant mixtures are examined.