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임승순,김미휘,김운배,Im, Seung-Sun,Kim, Mi-Hwi,Kim, Un-Bae 한국섬유공학회 1991 한국섬유공학회지 Vol.28 No.11
Acetylation of chitin broke the intermolecular hydrogen bond between -6OH group and amide group, and enhanced solubility of chitin to organic acid. The acetylchitin was dissolved in formic acid. The solution was cast on the glass after filtration. Film was prepared by two method. The one was that the cast solution was coagulated in non-solvent such as acetone. The second was prepared by drying the cast solution in the hood so that the dense film was formed. Degree of substitution was determined by both Kjeldahl method and infrared absorption spectra. The intensity of peak appeared at 1620cm-1, which is characteristic peak of a-chitin, was gradually decreased with acetylation. This fact was attributed to breaking of hydrogen bond between -6OH group and amide group. In the mechanical properties of acetylchitin film, the tensile strength of air-dry film was better than that of coagulated film. Tensile strength was increased with substitution.
김신원,김미휘 경희대학교 디자인연구원 2006 예술· 디자인학연구 Vol.9 No.1
The present study purposed to examine how organic forms are expressed in floral art and design through analyzing a number of floral art and design works. In this research, we interpret organic forms in nature from the viewpoint of floral art and design and, at the same time, suggest a positive direction of floral art and design as an expression of organic shapes. According to the results of analysis, indirect expression methods occupied 50% of expression methods applied. As for the frequency of characteristics, mixed characteristics occupied 25% and formative ones also did 25%. In addition, as for observation methods, static observation occupied the largest part (21%). Moreover, 72% of expression objects are material things.