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Octyldimethl p-aminobenzoate 와 ${\beta}-Cyclodextrin$의 포접화합물(包接化合物)에 관(關)한 연구(硏究)
이창학,소부영,김영수,Lee, Chang-Hak,So, Boo-Young,Kim, Young-Soo 한국응용과학기술학회 1989 한국응용과학기술학회지 Vol.6 No.1
Inclusion complex formation of octyldimethyl p-aminobenzoate with ${\beta}-cyclodextrin$in aqueous solution and in the solid state was studied by the solubility method, spectroscopic (UV, FT-IR) and X-ray diffractornetry. The solid complex of octyldimethyl p-aminobenzoate with ${\beta}-cyclodextrin$ was obtained in molar ratio of 1:2 (guest/host). A spatial relationship between host and guest molecule was clearly reflected in the magnitude of the apparent stability constant (K') and in the stoichiometry of the inclusion complex. Furthermore, a typical type Bs phase-solubility diagram was obtained for octyldimethyl p-aminobenzoate and ${\beta}-cyclodextrin$ in water at $25^{\circ}C$. The results indicated that the solubility of the guest molecule was higher by the formation of ${\beta}-cyclodextrin$ inclusion complex.
Octyldimethl p - aminobenzoate 와 β - Cyclodextrin 의 포접화합물(包接化合物)에 관한 연구
김영수,소부영,이창학 한국유화학회 1989 한국응용과학기술학회지 Vol.6 No.1
Inclusion complex formation of octyldimethyl p-aminobenzoate with β-cyclodextrin in aqueous solution and in the solid state was studied by the solubility method, spectroscopic (UV, FT-IR) and X-ray diffractornetry. The solid complex of octyldimethyl p-aminobenzoate with β-cyclodextrin was obtained in molar ratio of 1:2 (auest/host). A spatial relationship between host and guest inplecule was clearly reflected in the magnitude of the apparent stability constant (K') and in the stoichiometry of the inclusion complex. Furthermore, a typical type Bs phase-solubility diagram was obtained for octyldimethyl p-aminobenzoate and β-cyclodextrin in water at 25℃. The results indicated that the solubility of the guest molecule was higher by the formation of β-cyclodextrin inclusion complex.
고분자(高分子) 계면활성제(界面活性劑)에 관(關)한 연구(硏究) (제(第) 2 보(報));나트륨 알파 술폰 지방산(脂肪酸) 비닐에스테르 올리고머류(類)의 계면활성(界面活性)
정노희,남기대,소부영,소희준,Jeong, No-Hee,Nam, Ki-Dae,So, Boo-Young,So, Hee-Jun 한국응용과학기술학회 1989 한국응용과학기술학회지 Vol.6 No.1
A series of four sodium ${\alpha}-sulfo$ fatty vinyl ester oligomers including sodium ${\alpha}-sulfo$ lauric acid vinyl ester oligomer, sodium ${\alpha}-sulfo$ myristic acid vinyl ester oligomer, sodium ${\alpha}-sulfo$ palmitic acid vinyl ester oligomer and sodium ${\alpha}-sulfo$ stearic acid vinyl ester oligomer were examined for surface activities such as surface tension, foaming power, foam stability, emulsifying power, dispersion effect, solubilization of orange OT. The critical micelle concentration(CMC) was also evaluated. Consequently, these sodium ${\alpha}-sulfo$ fatty acid vinyl ester oligomers were shown to have a good cohesive power and dispersion effect.
남기대,정노희,소부영,소희준 한국유화학회 1989 한국응용과학기술학회지 Vol.6 No.1
A series of four sodium α-sulfo fatty vinyl ester oligomers including sodium α-sulfo lauric acid vinyl ester oligomer, sodium α-sulfo myristic acid vinyl ester oligomer, sodium α-sulfo palmitic acid vinyl ester oligomer and sodium α-sulfo stearic acid vinyl ester oligomer were examined for surface activities such as surface tension, foaming power, foam stability, emulsifying power, dispersion effect, solubilization of orange OT. The critical micelle concentration(CMC) was also evaluated. Consequently, these sodium α-sulfo fatty acid vinyl ester oligomers were shown to have a good cohesive power and dispersion effect.
고분자(高分子) 계면활성제(界面活性劑)에 관(關)한 연구(硏究) 2 : 나트륨 알파 술폰 지방산(脂肪酸) 비닐에스테르 올리고머류(類)의 계면활성(界面活性)
정노희,남기대,소부영,소희준 한국유화학회 1989 한국응용과학기술학회지 Vol.6 No.1
A series of four sodium α-sulfo fatty vinyl ester oligomers including sodium α-sulfo lauric acid vinyl ester oligomer, sodium α-sulfo myristic acid vinyl ester oligomer, sodium α-sulfo palmitic acid vinyl ester oligomer and sodium α-sulfo stearic acid vinyl ester oligomer were examined for surface activities such as surface tension, foaming power, foam stability, emulsifying power, dispersion effect, solubilization of orange OT. The critical micelle concentration(CMC) was also evaluated. Consequently, these sodium α-sulfo fatty acid vinyl ester oligomers were shown to have a good cohesive power and dispersion effect.
불소계(弗素系) 계면활성제(界面活性劑)에 관한 연구(硏究): 제(第)1보(報) : 계면활성(界面活性) 함불소계(含弗素系) N-장쇄(長鎖)아실 크라운 에테르유(類)의 합성(合成)
손주환,남기대,이승열,소부영 한국유화학회 1990 한국응용과학기술학회지 Vol.7 No.1
In order to synthesize N,N-di-(polyoxyethylene) perfluoroacyl amines and the surface active monoperfluoroacyl aza crown ethers, it is performed as follow. Six of N,N-di(polyoxyethylene) perfluoro acyl amines were synthesized from perfluoroalkanoic acids with ethanol followed by oxyethylation with triethylene glycol mono chloride or tetra ethylene glycol mono chloride and six of N-perfluor acyl monoaza crown ethers by cyclization of corresponding N,N-di(polyoxy ethylene} perfluoro acyl amines with p-toluene suflonic chloride-NaOH/dioxane, p-toluene sulfonyl chloride KOH/dioxane and benzene sulfonic chloride-KOH/dioxane systems.
Octyldirnethyl p–aminobenzoate와 β–Cyclodextrin의 포접화합물에 관한 연구
이창학 ( Lee Chang-hak ),소부영 ( So Boo-young ),김영수 ( Kim Young-soo ) 대한화장품학회 1989 대한화장품학회지 Vol.15 No.1
Inclusion complex formation of octyldimethl p-aminobenzoate with β-cyclodextrin in aqueous solution and in the solid state was studied by the solubility method, spectroscopic(UV, FT-IR) and X-ray diffractometry. The solid complex of octyldimethy p-aminobenzoate with p-cyclodextrin was obtained in molar ratio of 1 : 2(guest/host). A spatial relationship between host and guest molecule was clearly reflected in the magnitude of the apparent stability constant (K') and in the stoichiometry of the inclusion complex. Furthermore, a typical type Bs phase-solubility diagram was obtained for octyldimethyl p-aminobenzoate and β-cyclodextrin in water at 25℃. The results indicated that the solubility of the guest molecule was higher by the formation of β-cyclodextrin inclusion complex
고분자(高分子) 계면활성제(界面活性劑)에 관(關)한 연구(硏究)(제(第) 1 보(報));나트륨 알파 술폰 지방산(脂肪酸) 비닐에스테르 올리머고류(類)의 합성(合成)
정노희,노승호,남기대,소부영,Jeong, No-Hee,No, Sueng-Ho,Nam, Ki-Dae,So, Boo-Young 한국응용과학기술학회 1989 한국응용과학기술학회지 Vol.6 No.1
Four fatty acid vinyl esters were synthesized by transesterification between vinyl acetate and lauric acid, myristic acid, palmitic acid, stearic acid, respectively. Fatty acid vinyl ester oligomers were prepared from polymerization of four fatty acid vinyl esters in the presence of potassium persulfate in methanol. The ${\alpha}-sulfonation$ of these four fatty acid vinyl ester oligomer were carried by direct addition of sulfur trioxide. Especially, molecular weights of sodium ${\alpha}-sulfo$ fatty acid vinyl ester oligomers were measured by boiling point method.
고분자(高分子) 계면활성제(界面活性劑)에 관(關)한 연구(硏究) 1 : 나트륨 알파 술폰 지방산(脂肪酸) 비닐에스테르 올리머고류(類)의 합성(合成)
정노희,노승호,남기대,소부영 한국유화학회 1989 한국응용과학기술학회지 Vol.6 No.1
Four fatty acid vinyl esters were synthesized by transesterification between vinyl acetate and lauric acid, myristic acid, palmitic acid, stearic acid, respectively. Fatty acid vinyl ester oligomers were prepared from polymerization of four fatty acid vinyl esters in the presence of potassium persulfate in methanol. The α-sulfonation of these four fatty acid vinyl ester oligomer were carried by direct addition of sulfur trioxide. Especially, molecular weights of sodium α-sulfo fatty acid vinyl ester oligomers were measured by boiling point method.