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Poly(ethylene Terephthalate) 섬유의 소욕비염색에 관한 연구(II) -2상염색법-
김공주,강영의,김지주,Kim, Gong-Ju,Gang, Yeong-Ui,Kim, Ji-Ju 한국섬유공학회 1988 한국섬유공학회지 Vol.25 No.6
In order to investigate the low liquor dyeing method of poly(ethylene terephthalate) (PET) fiber, a study on two phase dyeing method was studied. The results are as follows: 1. Initial dyeing rate of two phase dyeing method was greater than that of dyeing in water, and the solubility of dye in solvents had much influence on initial dyeing rate, but bath ratio had little. 2. Dye affinity of two phase dyeing method was greater than that of dyeing in water but smaller than solvent dyeing. 3. Diffusion coefficient was greater than that of dyeing in water but smaller than solvent dyeing. 4. saturation value of dye of two phase dyeing method was excellently great than that of water dyeing and solvent dyeing. 5. The decrease of liquor ratio had little influence on the unlevel dyeing in two phase dyeing method. 6. The light and wet fastness of PET dyed by two phase dyeing were nearly the same as that by water dyeing.
Poly(ethylene Terephthalate) 섬유의 상압 분산 염색에 관한 연구
김공주,안경열,강영의,Kim, Gong-Ju,An, Gyeong-Yeol,Gang, Yeong-Ui 한국섬유공학회 1986 한국섬유공학회지 Vol.23 No.4
Poly(ethylene terephthalate) fiber was pretreated with biphenyl/methylene chloride and other solutions. Other solutions used in this experiment were methylene chloride, perchloroethylene/methylene chloride, biphenyl/water and hiphenyl/perchloroethylene. The dyeing behaviors of the pretreated fibers with C.I. Disperse Red 4 in water were studied with reference to changes in the matter properties of fiber. Also density and X-ray diffraction of the fibers were investigated as measure of crystalline region. The results obtained are briefly discussed in terms of the plasticization of the fiber structure and penetraing biphenyl volume formed during the pretreatment and pretreated time and temperature. The results are as follows; 1) The crystalline growth of PET fiber treated with 5% biphenyl/methylene chloride was also greater than that treated with other solutions, and this tendency was increase with volume of added biphenyl. 2) Equilibrium dye absorption and initial rate of dyeing of PET fiber treated with 5% biphenyl/methylene chloride were greater than those of sample with other solution. 3) The diffusion and dye affinity of PET fiber treated with 5% biphenyl/methylene chloride were greater than those of sample with other solution. I think that dyeing method of energy conservation of pretreated PET fiber is dyeing PET fiber pretreated with 5% hiphenyl/methylene chloride.
Poly(ethylene terephthalate) 섬유의 소욕비 염색에 관한 연구(I) -2상 염색의 기초 연구-
김공주,강영의,안경열,Kim, Gong-Ju,Kang, Young-Ue,Ahn, Kyoung-Ryoul 한국섬유공학회 1987 한국섬유공학회지 Vol.24 No.3
In order to investigate the low liquor ratio dyeing method of poly(ethylene tereqphthalte)(PET) fiber, a basic study on two phase dyeing method was studied. The results are as follows; 1. Toluene, xylene, perchloroethylene, tetrachloroethane, and monochlorobenzene are effective as solvent, being considered their boiling points, solubilities in water, and the solubility of dye. 2. Dye partition quantity from solvents to water was proportional to the dissolved quantity of dye in solvents. 3. The crystallinity change of PET fiber dyed by two phase dyeing method had little difference from that of fiber dyed in water. 4. Initial dyeing rate of two phase dyeing method was greater than that of dyeing in water, and the solubility of dye in solvents had much influence on initial dyeing rate, but bath ratio had little. 5. Polymer coagulant was effective to the purification of dyeing waste-water. It was much easier because there was no auxiliaries in the two phase dyeing bath.
김공주,조순채,임진모,Kim, Gong-Ju,Jo, Sun-Chae,Im, Jin-Mo 한국섬유공학회 1972 한국섬유공학회지 Vol.9 No.1
From old times wangol has been processed on a small scale for domestic use in rural society. But, nowadays many forms of wangol products are appearing and becoming useful in various ways. The demand for these wangol products is increasing in big cities and foreign countries; and owing to it's popularity abroad, wangol Processing has become one of Korea's important export industries. Now in order to study on wangol quality, we made experiments on scouring, bleaching, and dyeing. Results of the study are follows; The storing of raw material decreased the strength, and alkali and heat treatment could not be recomended. In case of bleaching the fresh wangol was mere effectively bleached than the processed wangol, and sulfur dioxide was more effective than bleaching powder for the bleaching of wangol. Direct dyeing and reactive dyeing were useful for the dyeing of wangol. For maintaining the quality of raw materials reactive dyeing was more effective, but direct dyeing was more economical.
천연색소에 관한 연구(III) -수수씨 껍질로부터 Sorghum Pigment의 추출-
이종문,김춘기,김공주,Lee, Jong-Mun,Kim, Chun-Gi,Kim, Gong-Ju 한국섬유공학회 1983 한국섬유공학회지 Vol.20 No.3
In this paper, the extraction mechanism of redish yellow pigment from the husk of sorghum seed is discussed and an empirical equation has been derived. It is as follows; F total =[(In 1.0333t0.0196)(0.3719 S/1+0.3219 S)T+0.3565] $\times$e-(6$\times$10-6c+4.9$\times$10-4)(C-60)$^2$where F total : total amount of sorghum pigment extracted from the husk of sorghum seed t : extraction time T : extraction temperature S : volume of solvent C : concentration of ethyl alcohol