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전동원,이혜자,정은주,Jeon, Dong-Won,Lee, Hye-Ja,Jeong, Eun-Ju 한국섬유공학회 1991 한국섬유공학회지 Vol.28 No.2
Pseudo-amidoxime type chelate resin was synthesized through the cyanomethylation of gel type crosslinked chloromethylated (PCMS) and subsequent amidoximation of cyano-substituted PCMS(PCMS-CN). As crosslinking agent, divinylbenaene(Dn) and ethyleneglycol-dimethacrylate(EGD) were added in polymerlzation of chloromethylstyrene. In cyano substitution of PCMS, the degree of substitution amounts to 80-90 percent regardless of the kind of crosslinklng agent and the degree of crosslinking. Amidoximation accompanied cyclization side reaction between Introduced amidoxime group was observed. Several models for cyclization reartion were proposed on the basis of chlorine and nitrogen content of amidoximated-PCMS Pseudo-amidoxime type chelate resin has a low adsorption capacity for metal ions compared with amidoxime type chelate resin derived from crosslinked polyacrylonitrile matrix.
전동원,홍주석,유혜자,Jeon, Dong-Won,Hong, Ju-Seok,Yu, Hye-Ja 한국섬유공학회 1991 한국섬유공학회지 Vol.28 No.1
Tetraethyleneglycol-dimethacrylate (TGD) and ethyleneglycol-d imethacrylate (IGD) crosslinked polyacrylonitrile(PAN) was polymerized gel and macroreticular type crosslinked PAN was synthesized to investigate the effect of external resin appearance on the adsorption capacity for metal ions. As the side reaction, cyclization reaction between introduced amidoxime group was accompanied in the course of amidoximation of PAM. Cyclization was modelized from the nitrogen content analysis of amidoximated PAN (Ami-PAN). Ami-PAN amidoximated in water medium shows higher adsorption capacity than that amidoximated in methanol. Ami-PAN has an excellent adsorption capacity for Cu+2, Cr+2, Cd+2.
키토산처리(處理) 면포(綿布)와 나일론포(布)의 염색성(染色性)에 관(觀)한 연구(硏究) -소목(蘇木), 코치닐, 치자(梔子)를 중심(中心)으로-
전동원 ( Dong Won Jeon ),김종준 ( Jong Jun Kim ),이정민 ( Jung Min Lee ),신혜선 ( Hye Sun Shin ) 한국패션비즈니스학회 2003 패션 비즈니스 Vol.7 No.2
It has been known that the natural colorants exhibit good dye-uptake toward cotton, silk, and wool fibers, while they do poorly toward synthetic fibers. This study utilizes the chitosan treatment in order to improve the dye-uptake for the natural fibers and to enable the synthetic fibers, whose dye-uptake levels are low, show better affinity toward the natural colorants. Since chitosan has -NH2 group and -OH group in the structure, the dyeability of the fabric will be improved when the fabric is treated with the chitosan. Cotton fabric as one of the natural fiber fabrics and nylon fabric as one of the synthetic fiber fabrics were selected for this study. 1. In case of cotton fabric, the chiosan treatment takes effect for the Caesalpinia sappan and cochineal, resulting in remarkable DE increase after dyeing. Chitosan helps in developing dark shade by increasing the uptake of the Caesalpinia sappan and cochineal. It does not, however, participate in the developing of the specific color as does a metallic mordant. 2. In case of dyeing cotton fabric with Gardenia jasminoides, the effect of the treatment with mordant and chitosan is not very pronounced. It is thought that the Gardenia jasminoides uptake is accomplished in a direct manner in the cellulose chains without the aid of mordant. 3. Air-permeability is decreased when the non-mordanted and non-chitosan treated cotton fabric is dyed with Caesalpinia sappan, cochineal, and Gardenia jasminoides. 4. In case of nylon fabric, premordanting and chitosan treatments are not highly effective in promoting the dye-uptake.
코치닐 염색시(染色時) Chitosan 처리포(處理布)의 매염순서(媒染順序)에 따른 차이(差異)에 관(關)하여
전동원 ( Dong Won Jeon ),김종준 ( Jong Jun Kim ),권혜진 ( Hye Jin Kwon ) 한국패션비즈니스학회 2003 패션 비즈니스 Vol.7 No.5
It has been known that the chitosan pre-treated fabrics can be dyed without the aid of mordanting process. It is due to the fact that chitosan treatment increases the dye uptake. However, the effect of chitosan on the dyeing mechanism has not been elucidated thus far. Following explanations have been presented regrading the action of the chitosan on the dyeing mechanisms: 1. Chitosan absorbs dyestuffs and facilitates dyeing since the chitosan itself has a good affinity toward dyestuffs. 2. Chitosan acts as a metallic mordant between the fiber molecule and dyestuff. 3. Fiber molecules and chitosan form a coordinate covalent bond. This study aims the quantitative investigation on the effect of the chitosan and the effect of sequence of the mordanting, pre-mordanting or post-mordanting, on the dyeing of the fabrics. Cotton fabrics and acylic fabrics were pre-treated with chitosan before dyeing with cochineal dyestuffs. Method 1: Fabrics were, firstly, mordanted with Al, Sn, Cu, and Fe; mordanted fabrics were, secondly, treated with chitosan; mordanted and chitosan-treated fabrics were, thirdly, dyed. Method 2: Fabrics were, firstly, treated with chitosan; chitosan-treated fabrics were, secondly, mordanted with Al, Sn, Cu, and Fe; these were dyed then. Method 2 gave distinguished specific color development with darker shade. Apart from this, chitosan-treated fabrics yielded darker shade compared to the pre-mordanted fabrics without chitosan-treatment.
키토산 전처리(前處理)가 면(綿), 견(絹), 나일론, 폴리에스테르의 코치닐 염색(染色)에 미치는 효과(效果)
전동원 ( Dong Won Jeon ),김종준 ( Jong Jun Kim ),김선화 ( Sun Hwa Kim ) 한국패션비즈니스학회 2003 패션 비즈니스 Vol.7 No.4
Cochineal dyeing was applied to natural fiber fabrics, cotton and silk fabrics, and synthetic fiber fabrics, nylon and polyester fabrics. Chitosan-pretreatment was applied to the fabrics in order to investigate the effect of chitosan treatment on the dyeing behavior. The effect of chitosan treatment on the mordanting was also investigated by incorporating Cu-mordant on the chitosan-treated or chitosan-untreated fabrics during the dyeing process.