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키토산으로 처리한 직물의 태의 변화에 관한 연구(II) -면/폴리에스테르 혼방직물과 폴리에스테르 직물을 중심으로-
김종준,전동원,Kim, Jong-Jun,Jeon, Dong-Won 한국섬유공학회 1997 한국섬유공학회지 Vol.34 No.9
Chitosan, one of the natural biodegradable polymers, has widely been investigated in diverse fields of textile application in addition to the food or medical applications. Three different molecular weight chitosan samples, 8, 46, 830 cp, were used for treating fabrics. Polyester/cotton spun yarn fabric and polyester filament yarn fabric were dipped in the chitosan solution, cured, neutralized in NaOH solution, and finally heat-set. Mechanical and physical properties of the chitosan treated fabric samples were investigated using KES (Kawabata Evaluation System) and other instruments.
김종준,김신희,전동원,Kim, Jong-Jun,Kim, Sin-Hui,Jeon, Dong-Won 한국섬유공학회 1995 한국섬유공학회지 Vol.32 No.8
High purity chitosan, a natural biodegradable polymer, was used as a staling material for obtaining three di9:rent molecular weight chitosans(830, 46, 8 cP). From these three different chitosans, solutions were prepared using acetic acid as a solvent, changing treatment concentration(0.05%~ 1.0%). Conon woven fabric samples were dipped, pre-dried, neutralized, and heat-set. The mechanical, physical properties of the chitosan treated fabrics, including tensile, shear, bending compression, surface friction, air permeability, and white index, were determined. The increase in the chitosan viscosity and chitosan concentration lowered WT(tensile energy) reading of the treated fabrics, and increased shear rigidity, bending rigidity, bending hysteresis. Yellowing of the treated fabrics was not noticeable, since the purity of the chitosan was high enough.
합섬필라멘트직물의 광학적 특성에 관한 연구 - 반사 및 투과 특성 -
김종준,유민재,최수명,Kim, Jong Jun,Yu, Min Jae,Choe, Su Myeong 한국섬유공학회 1999 한국섬유공학회지 Vol.36 No.10
Appearance of textile fabrics, such as natural fiber textiles including cotton and wool, and synthetic fiber textiles, including nylon and polyester, is one of the important properties along with the handle of fabrics that are closely related to the factors that govern the preferences of end-users. When light rays impinge upon the synthetic filament fiber surface, they are separated into reflected and refracted components whose intensities are reduced relative to that of the incident beam. The filament configuration in the yarn comprising the fabric has great influence on the reflected and refracted, or transmitted light of the fabric. Reflective properties of filament yarn were simulated based on a three-dimensional crimped filament model that reflects and refracts light rays. Transmissive properties were simulated like-wise based on a three-dimensional cylinder model. Images of nylon filament plain fabric were analyzed using image analysis methods for transmitted and reflected light and compared with the results from the three-dimensional models. The properties predicted by the three-dimensional models established in this work could explain the transmission and reflection of actual nylon filament fabric samples.
키토산으로 처리한 직물의 태의 변화에 관한 연구(III) - 키토산 처리조건 변화에 따른 면직물의 태변화 -
김종준,전동원,Kim, Jong-Jun,Jeon, Dong-Won 한국섬유공학회 1997 한국섬유공학회지 Vol.34 No.10
Cotton fabric was treated with chitosan samples having high viscosity of 930 cps or low viscosity of 8 cps. The pick-up% levels by fabric samples of chitosan solution in 1% acetic acid were varied (80% and 110%). Effects of oven curing and room drying methods were also compared after chitosan solution treatment of the fabric. NaOH solution treatment and crosslinking by epichlorohydrine were also incorporated in the treatment procedure. Chitosan treatment increased bending rigidity of treated cotton fabrics and changed several other physical and mechanical properties of the fabric. The introduction of epichlorohydrine was effective with the NaOH solution process, while less effective with the oven-curing process. Tensile strength change was almost unnoticeable with the chitosan treatment.