• 제목/요약/키워드: Chemical protective fabrics

검색결과 10건 처리시간 0.026초

화학보호복의 화재위험성 및 화학적 투과시험을 통한 파과시간산정에 관한 실험적 연구 (An Experimental Study on the Fire Risk Assessment & Calculation Breakthrough Time through Permeation Test of Chemical Protective Clothing)

  • 고재선;박평규
    • 한국화재소방학회논문지
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    • 제24권2호
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    • pp.21-30
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    • 2010
  • 본 연구는 화학보호복 원단들에 대하여 내화학성 및 난연성을 조사하기 위하여 ASTM 및 ISO의 방법을 이용하여 내화학성 및 화재위험성시험을 실시하였다. 시험결과 폴리에틸렌의 경우 전혀 난연성이 없는 것으로 분석되었지만 고무에 데카브롬 등 난연성 물질이 첨가된 불소고무 원단이 뛰어난 난연성을 보였다. 특히 현재 소방용 방열복으로도 사용되고 있는 알루미늄 필름에 아라미드원단을 라미네이팅한 원단이 가장 뛰어난 난연성을 보였다. 하지만 내화학성에 있어 알루미늄은 4% NaOH에 부식되는 결과를 보이고 있어 이를 극복하기 위한 방안으로는 다층의 베리어성 필름을 사용하는 것이 좋을 것으로 사료된다. 아울러 난연성 시험결과 알루미늄필름과 폴리머 베리어성 필름을 소재로 만든 Dual skin과 불소고무에 난연성 물질이 포함된 것을 소재로 만든 Single skin이 화학보호복으로 적합한 것으로 판단된다. 또한 열방호실험과 열전달지수실험결과 두께의 증가와 다층구조일수록 TPP와 HTI 증가하는 것으로 나타났다. 향후 화학 보호복 원단의 화재위험성 및 내화학성시험 등 지속적 연구와 보완이 적절한 화학보호복 원단 성능개선에 기여할 것으로 기대된다.

키토산 처리 면직물의 군사용 화학 작용제 모사체 분해 연구 (Chemical Warfare Agent Simulant Decontamination of Chitosan Treated Cotton Fabric)

  • 권웅;한민우;정의경
    • 한국염색가공학회지
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    • 제32권1호
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    • pp.51-56
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    • 2020
  • This study aims to pursue the multi-functional textile finishing method to detoxify chemical warfare agent by simply treating the well-known antimicrobial agent, chitosan, to cotton fabric. For this purpose, DFP(diisopropylfluorophosphate) was sele cted as a chemical warfare agent simulant and cotton fabric was treated with 0.5, 1.0, and 2wt% chitosan solution in 1wt% acetic acid. DFP decontamination properties of the chitosan treated cotton fabrics were evaluated and compared with the untreated cotton fabric. The chitosan treated cotton fabrics showed better DFP decontamination than the untreated cotton. Decontamination properties of the chitosan treated cotton fabrics improved with the increased chitosan solution used. Especially, the cotton fabrics treated with 2wt% chitosan solution showed 5 times more DFP decontamina tion than the untreated cotton fabrics. This suggested that the chitosan treated fabric has potential to be used as a material for protective clothing with chemical warfare agent detoxifying and antimicrobial properties.

PAN직물의 내수성개질을 위한 보호성 플라즈마중합박막제조 (Protective Thin Films on PAN Fiber for Water Resistant Modification by Plasma Polymerization)

  • Seo, Eun Deock;Kang, Young Reep;Kim, Jung Dal
    • 한국염색가공학회지
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    • 제7권2호
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    • pp.55-62
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    • 1995
  • Plasma polymerization of Perfiuoropropene(PFP) and n-Hexane was carried out in a tubular type reactor by means of 13.56MHz radio frequency generator at the fixed RF discharge power of 25W and at the pressures of 100mTorr, 140mTorr and 200mTorr. The thin films were deposited on PAN fabrics in order to improve the dimemsional stability of woven states in hot water laundry. IR spectroscopy was used for the analysis of the structures of the thin films deposited and SEM for examination of surfaces of the fabrics. the PAN fabrics, which were coated by thin films at several experimental conditions, were immersed in boiling water for 2 hours and then the dimension stability of woven states were evaluated. In spite of very thin films, the results of surface modification were satisfactory. In general the performace of thin films by PFP was superior to that of n-Hexane.

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위장 날염된 선택 투과성 화생방 직물의 제조 공정연구 및 성능평가 (A Study on Processes and Performance Evaluation for IR Camouflage Printed Selectively Permeable Membrane Fabrics)

  • 정용균;문상현;강재성;서현관;박현배
    • 한국염색가공학회지
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    • 제26권1호
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    • pp.13-21
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    • 2014
  • The object of this research is to perform the basic research for the development of selectively permeable membrane fabrics which is suitable for korean military in sense of embattlement. As a key factor of selectively permeable membrane fabrics which is suitable for korean military, this study selected the best PVA thickness and membrane selection for DMMP protection, pre-treatment method for conformational stability of face fabric and water/oil repellent process condition. Especially as the PVA coating thickness of the fabrics increase, peneration of DMMP decrease including water vapor permeation is lower. This study shows how physical features and permeability of chemical agents can be influenced by pre-treatment methods, the selection of selectively permeable membrane, the thickness of PVA etc. Results showed that outer shell / PVA / e-PTFE materials possessed performance with superior water vapor permeation (Over $3,000g/m^2/day$) and protective capability against DMMP vapor ($0.6{\mu}g/cm^2{\cdot}16hr$).

Perfluoropropene의 플리즈마중합에 의한 섬유의 소수성 표면개질 (Hydrophobic Modification of Fiber Surface by Plasma Polymerizafon of Perfluoropropene)

  • Seo, Eun-Deock;Kang, Young-Reep;Lim, Hak-Sang
    • 한국염색가공학회지
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    • 제3권4호
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    • pp.22-28
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    • 1991
  • Perfluoropropene was plasma polymerized in the form of thin film on PET fabrics to give hydrophobic and barrier properties without affecting air permeability. Changes in surface characteristics were detected by application of ESCA, IR, SEM and contact anglemeter. The surface properties was changed markedly to be water and stain repellent although the effect was not much sensitive to the differences of chemical components of the thin films formed at different experimental conditions. The protective barrier characteristics of the thin film was also applicable to suppress the amounts of dyes extracted from fabrics in laundering.

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아민화 표면 처리된 면직물의 제독 성능 연구 (Detoxification Properties of Surface Aminated Cotton Fabric)

  • 김창규;권웅;정의경
    • 한국염색가공학회지
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    • 제32권2호
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    • pp.73-79
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    • 2020
  • Pursuing the fabric materials for military chemical warfare protective clothing with the improved detoxification properties, this study investigated the simple and effective cotton treatment method using pad-dry-cure process and 3-aminopropyltrimethox ysilane(APTMS) solution for surface amination. Detoxification properties of the untreated and treated cotton fabrics were evaluated via decontamination of chemical warfare agent simulant, DFP(diisopropylfluorophosphate). The surface aminated cotton fabric increased the rate of the hydrolysis of DFP by the factor of 3 and the decontamination ratio reached 88.2% after 24h. Therefore, the surface amination of the cotton fabric with APTMS can be an effective pathway to prepare the material for protective clothing against chemical warfare agents.

3-아미노프로필트리메톡시실란과 키토산 처리 면직물의 제독 특성 비교 연구 (Comparative Study of Detoxification Properties of 3-Aminopropyl trimethoxysilane and Chitosan treated Cotton Fabric)

  • 권웅;김창규;정의경
    • 한국염색가공학회지
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    • 제32권2호
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    • pp.96-102
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    • 2020
  • Recently, it was reported that chitosan or APTMS(3-aminopropyltrimethoxysila ne) treatment to cotton using the simple pad-dry-cure method has potential to prepare textile materials for military chemical warfare protective clothing. However, it is not confirmed which method is more efficient. Therefore, this study aims to quantitatively compare detoxification properties of chitosan treated cotton fabric with those of APTMS treated cotton fabric. Detoxification properties were evaluated using the well-known organic phosphorous nerve agent stimulant, diisopropylfluorophosphate(DF P). With the same amount of chitosan and APTMS on the surface of the cotton fabrics, APTMS treated cotton fabric exhibited 10% higher detoxification properties than chitosan treated cotton fabric based on the rate of DFP hydrolysis and half-live of DFP calculated from the DFP decontamination ratios of the treated cotton fabrics through time. Therefore, APTMS treatment can be more efficient method to prepare the textile materials for military protective clothing than chitosan treatment.

인산처리 유·무에 따른 레이온직물의 열수축과 열안정성에 미치는 안정화 공정 조건의 영향 (Effect of Stabilization Processing Conditions on the Thermal Shrinkage and the Thermal Stability of Rayon Fabrics Untreated and Surface-Treated with Phosphoric Acid)

  • 조동환;이종문;박종규
    • 접착 및 계면
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    • 제5권3호
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    • pp.10-17
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    • 2004
  • 본 연구에서는 레이온직물에 대하여 승온속도, 안정화온도, 분위기가스, 화학적 표면처리 등 여러가지 조건에서 안정화공정을 행한 후, 직물의 열수축과 열안정성, 그리고 미세구조에 미치는 공정 조건의 영향을 조사하였다. 레이온직물의 열수축과 중량변화에 인산처리 유무와 승온속도가 가장 중요한 영향을 미쳤다. 특히, 인산처리를 한 경우가 하지 않은 경우보다 레이온직물의 두께변화는 약 80%, 길이변화는 약 20%, 그리고 중량변화는 약 26%가 줄어드는 열수축 억제 효과를 보여주었다. 안정화 된 레이온직물의 열안정성에는 안정화온도와 인산처리 그리고 분위기가스와 승온속도 등 주어진 안정화공정 조건 모두가 영향을 주었다. 또한 안정화섬유의 표면 상태 및 섬유직경 변화도 공정 전에 행한 인산처리의 유무에 의존하였다.

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자연 발효 감태 추출물로 염색한 면직물의 염색 특성과 바이오 기능성 (Dyeing Properties and Bio-Functions of Cotton Fabrics Dyed with Naturally Fermented Ecklonia Cava Extract)

  • ;이안례;김유철;이은주
    • 한국의류학회지
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    • 제42권3호
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    • pp.516-529
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    • 2018
  • This study investigated the dyeing properties and bio-functions of cotton fabrics dyed with naturally fermented Ecklonia cava extract in order to compare it with a comparison of unfermented extract. Hot water-extracted Ecklonia cava was fermented naturally under the various conditions of a fermenting period (2-8 days) and amount of molasses (0.1-1.8% v/v); in addition, it was also tested for characterization by FT-IR, antioxidant activity, total polyphenol content, and anti-microbial activity. For dyed cotton fabrics, color strength (K/S), physical color properties, dyeing fastness, sun protective property, and anti-microbial activity were evaluated considering dyeing conditions. As a result, the fermented dye under fermentation condition of 0.1% v/v with molasses during 4 days was revealed as having a similar chemical structure to the unfermented one and showed a total polyphenol content with 32.88mg/g and better antioxidant activity than the unfermented one. As for dyed fabrics, the color strength value by K/S was the highest under the condition of 0.1% v/v of molasses during 4 days among all fermenting conditions. The dyed fabrics had a reasonably good fastness (except for light). Anti-microbial activity against K. pneumoniae was better for the fermented extract-dyed fabric especially with lower dye concentrations.

생활폐기물 소각장 작업복의 중금속 분석 (Analysis of Heavy Metal Concentration on Working Clothes for Waste Incinerating Workers)

  • 박순자
    • 한국지역사회생활과학회지
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    • 제18권1호
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    • pp.39-53
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    • 2007
  • The purpose of this study was to determine the characteristics of an experimental protective clothing material with regard to comfort and isolation from the hazardous heavy metals produced in municipal waste incineration. An analysis was conducted on the total concentrations of heavy metals in some parts such as surface, middle layer, and interior for the treated fabric, and the untreated one, and working clothes. We conclude that the processed fabric with charcoal for working clothes showed the least exposure to heavy metals of the three. Working clothes worn by workers during waste incineration were much more contaminated than the untreated and treated materials. The material of working clothes could be chosen according to the function with regard to its original chemical characteristics, which are the proper results of the dyeing process. The processed fabric material has high degrees of moisture regain, thermal insulation, water vapor penetration, and antibacterial function; consequently, it is much more comfortable to wear. The fabric material proposed in this research contributed much more to blocking heavy metal concentrations (such as Cd, Pb, Cu, Cr, Zn, Mn) than did the fabric of working clothes at present. Consequently, we strongly suggest that the material of working clothes be upgraded by adopting the above-mentioned charcoal-processed fabric. Materials of working clothes must be improved to increase comfort and prevent harmful gas, flying dust, and heavy metals from permeating the fabrics.

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