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Wet Spun 공정에 의해 제조된 모시사의 물리적 특성 및 염색성에 관한 연구
김현철,김우영,최충열,박병기,Kim Hyun-Chel,Kim Woo-Young,Choi Choong-Youl,Pak Pyong-Ki 한국섬유공학회 2006 한국섬유공학회지 Vol.43 No.3
Ramie(Mosi) yarn was manufactured by wet spun processing method. The yarn was consisted of fiber length $80{\sim}90mm$ and fiber diameter $15{\sim}30{\mu}m$. The ramie yarn manufactured by wet spun processing was superior in appearance and polish. The ramie yarn manufactured by wet spun processing was investigated on the mechanical characteristics, drying abilities and dyeing properties. The fineness of ramie yarn was varied with $40{\sim}90lea$. From the results of mechanical properties, ramie yarns revealed suitable tenacity and evenness for knit and woven fabric manufacturing. However, most of the ramie yarn except 80 lea yam led to an increase of evenness due to the increase of draft and nep creations in the wet spinning process. The ramie was far superior in drying ability than cotton at the same drying time. The exhaustion rate of the reactive dyeing on the ramie yam was decreased than cotton yarn with increasing the dyeing time. The dye exhaustion of the reactive Red 195 on the ramie yarn was increased with increasing dye-bath concentration.
오가닉 코튼 원사제조 방법에 따른 고감성 의류용 편성물의 물리적 특성
김현아 ( Hyun Ah Kim ),김현철 ( Hyun Chel Kim ) 한국의류산업학회 2013 한국의류산업학회지 Vol.15 No.4
This paper investigates the physical properties of organic cotton staple yarns manufactured by ring and siro spinning methods as well as analyzes the physical properties of fabric specimens knitted with staple yarns made by these two methods. The breaking stress and evenness of organic ring staple yarns showed the same level for the Japanese specimens as the control yarns; in addition, the same coefficient for the friction of the manufactured yarns and Japanese specimens was also shown. These results makes it possible to manufacture organic staple ring yarns from organic cotton fibers. The tenacity and breaking strain of siro staple yarns were higher than ring staple yarns. The evenness and friction coefficient of siro staple yarns were lower than the ring staple yarns; in addition, hairiness and the number of siro staple yarns was significantly lower than the ring staple yarns. The dimensional stabilities of knitted fabrics by 20 Ne and 30 Ne siro staple yarns were superior to ring staple yarns. The color fastnesses of washing, perspiration and abrasion of knitted fabrics by two spinning methods showed the same level as the 4.5 grade; however, the light fastness of knitted fabric by siro staple yarns was superior to ring staple yarns. It was shown that the siro spinning method (using eco-friendly organic cotton fibers) was applicable to a high sensible knitted garment that overcame drawbacks of organic fibers related to shrinkable properties after washing and low color fastness to light.
보문 : Tencel FR,Cotton 복합원단의 물리적 특성 및 난연성에 관한 연구
김현아 ( Hyun Ah Kim ),김현철 ( Hyun Chel Kim ) 한국의류학회 2012 한국의류학회지 Vol.36 No.7
This study analyzed the physical properties and flame retardancy of Tencel FR/Cotton complex knit fabrics in order to satisfy two aspects of eco-friendliness and functionality. The flame retardant (FR) treatment of complex knit fabrics was applied by a pad-dry-cure method for additional functionality. Tensile strength, extension, bursting strength, LOI, and flame retardancy were measured by the KS (Korean Standard) K manual. The hand value knit fabrics were measured by KES-FB system. Subsequently, tensile strength and extension of wale and tensile strength of course increased in tandem with the Tencel FR yarn content. Tencel FR/Cotton complex knit fabrics were suitable for summer-weight and for baby clothes through the KES-FB system measurements. The bursting strength of Tencel FR/Cotton complex knit fabrics decreased as the contents of the Tencel FR increased; in addition, LOI increased as the contents of Tencel FR increased. This was due to the Tencel FR flame resistance function; however, the tensile strength decreased. The optimum fiber content of Tencel FR/cotton content was 1:1. The optimum conditions of flame retardant treatment were a treatment temperature 130℃ and the concentration of finishing agent and assistance binder (AR4260) was 35% and 1%, respectively.