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스포츠웨어용 투습방수직물의 열 수분이동 특성에 관한 연구
권오경,김진아,손부헌 한국의류산업학회 2000 한국의류산업학회지 Vol.2 No.3
This study was to determine the characteristics of vapor-permeable waterproof finished fabric by the coating method. 4 different kinds of coating fabrics (A : wet, porous, polyurethane, B : dry, no porous, polyurethane, C : shape memory polyurethane and D : dry, porous polyurethane) were used, which were developed recently With this sample, moisture transport rate (40℃, 45%RH & 40℃, 95%oRH), changes of coating side's shape by washing times, water repellency rate, contracted length, qmax, heat conductivity, heat keeping rate, heat keeping rate with cotton, heat keeping rate on humidity temperature and humidity within clothing etc. were checked. And it was done in a climate chamber under 20±2℃, 65±5% RH. The results of this study were as follow; In the moisture vapor transmission of sample B and C increased on high temperature and high humidity while sample A and D decreased, on this condition. Qmax rate had high relation with ground fabric's surface properties and the order was A$gt;C$gt;D$gt;B. Heat conductivity had high relation with thickness and surface properties. Heat keeping rates on sweat condition showed around half percents of heat keeping rates on normal condition, but had no relation with moisture vapor transport rate. Changes of the fabric's properties by washing times were different in accordance with the construction of fabrics and the coating resin. Sample C had tow heat keeping rate on the high temperature and humidity and high heat keeping rate on the low temperature and humidity Moisture transport rate of vapor-permeable waterproof finished fabrics had high relation with the properties of ground fabrics on low humidity condition, but on the high humidity condition, it was highly related with the properties of coating resin.
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권오경,문제기,손부헌,최영희 한국의류산업학회 2003 한국의류산업학회지 Vol.5 No.4
In this study, we measured the antibacterial activities, deodorization, UV cut ability, whiteness and SEM, according to the size(5 μm, 15 ?m) of ThiO₂, concentration(3%, 5%, 10%) and dipping temperature(50℃, 70℃) with using anatase type of TiO₂ photocatalyst. Photocatalyst is the substance which carries out functions, such as decomposition, removal, deodorization, antibacterial, etc. of a contaminant, in a place with light based on an oxidation-reduction reaction. The results of this study were as follow. Antibacterial activities are increased with increasing of the TiO₂'s concentration, and TiO₂ has high antibacterial activities for Staphylococcus aureus but it has low antibacterial activities for Klebsiella pneumoniae. The deodorization and UV cut ability is very good, therefore be able to get good effects with usingonly 3% of TiO₂. Every effects are increased by using small size of TiO₂ and high dipping temperature.
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최현숙,권오경,김태규,손부헌 한국의류산업학회 1999 한국의류산업학회지 Vol.1 No.4
The aims of this research were to suppose the basic data to the producer for more useful manufactures production. 700 pieces of questionnaire were made and 552 pieces of questionnaire were used for this study The results of this research are as follows ; Many consumers feel uncomfortable to using the unfinished clothing and by the point we could expect the shape retention finish has great possibilities. Just half percent of the people knew about the shape retention finish. So the producer have to do more advertisement for the shape retention finishing and functions. Generally the consumers are satisfied with the shape retention finished clothing.
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한랭환경하에서 운동발한시 인체의 체온조절반응에 대한 내의 소재의 생리학적 의의
박승한,권오경,김태규,손부헌 한국의류산업학회 1999 한국의류산업학회지 Vol.1 No.1
This study conducted 4 different kinds of underwear materials, which were A(Cotton 100%), B(Wool 100%), C(Cotton/Wool, 50/50%) and D(Acrylic/Cotton, 50/50%) and were done in a climate chamber under cold ambient 10±1℃, 40±5%RH by 6 male subjects who were in good health. Physiological parameters such as erctal and local skin temperature(forehead, forearm, hand, trunk, thigh, leg, foot, back and chest), heart rate, body weight loss, clothing microclimate, blood lactic acid concentration, and wearing sensation were measured. Started with a 15-min rest period, 15-min of exercise 1(the condition of 4.5 mile/hr walking speed equivalent to with 8.5 Kcal energy consumption on the treadmill) period, 15-min rest period, exercise 2(after 3minutes warming-up at 3.0, 3.7, 4.5, 5.2, 6.0, 6.7mile/hr) until exhaustion period, and final 15-min of recovery period were performed. The results were as follows: The lowest mean skin temperature was acrylic/cotton in order of wool>cotton/wool>cotton>acrylic/cotton(F=13.79, p<0.001). Most of all skin temperature by parts of body had turned out in sequence of temperature wool>cotton/wool>acrylic/cotton>cotton. Fore arm part showed highest temperature about 32.43℃ on wool and had a tendency approximately 1.8℃ higher than cotton shich had the lowest temperature, and had the higgest difference among garments in terms of skin temperature. The back temperature within clothing showed about 2℃ higher than the chest temperature within clothing, but the back humidity within clothing showed about 4~12% higher than the chest humidity within clothing. Body weight loss by each garment was this sequence; cotton>acrylic/cotton>wool>cotton/wool.
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