• 제목/요약/키워드: prevention of coloration

검색결과 6건 처리시간 0.018초

친환경 실리콘계 드라이클리닝용제(Decamethylcyclopentasiloxane)에서 모직물의 세척성과 재오염성 (Detergency and Soil Redeposition of Wool Fabric in Eco-friendly Drycleaning Solvent(Decamethylcyclopentasiloxane))

  • 김천희
    • 한국염색가공학회지
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    • 제24권2호
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    • pp.138-144
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    • 2012
  • Detergency and soil redeposition of wool fabric in 8 nonionic surfactants (Span 20, 40, 60, 80/Tween 20, 40, 60, 80) and 4 solvents (water, petroleum, perchloroethylene(PCE), decamethylcyclopentasiloxane($D_5$)) were studied. Detergency of wool fabric in water was very low with and without surfactants due to the low wetting and difficulty in penetration of water into the fabric. Lipophilic surfactants improved the detergency of wool fabric in petroleum solvent and PCE. The detergency of wool fabric in $D_5$ was similar to that in petroleum solvent without surfactants. When water was solubilized, Span 20 addition to petroleum solvent and PCE increased the detergency of wool fabric. The detergency for $D_5$ was improved with solubilized water, however, it was lowered when the surfactants were added to the system. Therefore, it is important to formulate appropriate detergents which have good solubility and affinity to silicone for $D_5$ charge system. Hydrophilic surfactants were effective for water and lipophilic surfactants were effective for petroleum solvent and PCE in soil redeposition prevention of wool fabric. The soil redeposition prevention effects are not found in $D_5$ with both Span 20 and Tween 20. The same tendency of results in soil redeposition of wool fabric is observed when water is solubilized.

기능성 부직포 후가공 제품에 의한 젖소 유방염 예방효과 (Effects of Prevention on the Cow Mastitis Based on Functional Non-woven Finishing Products)

  • 홍영기;이문수
    • 한국염색가공학회지
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    • 제18권6호
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    • pp.57-62
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    • 2006
  • The functional non-woven fabrics have been applied in various industry fields, such as clothing, hygiene, environment, medical and so forth. The functional non-woven fabrics for wet tissue were manufactured by meltblown and wet tissue finishing processes. The wet tissue was contained the various composition substances such as Benzalkonium Chloride(0.2292g), lodo-2-propynyl Butyl carbamate(0.0069g) and 5-Chloro-2-Methyl-Isothiazolin -3-one, 2-Methyl-Isothiazolin-3-one (0.0034g) with purified water (999.76g). In this study, the functional wet tissue based on meltblown nonwovens has been applied in dairy cattle for prevention on cow mastitis. Mastitis is the most costly disease results in lost milk production, decreased milk quality, milk discard, early culling of cows, drug costs and labor costs in dairy cattle. Therefore, this study was investigated to evaluate clinical effect of the functional wet tissue in mastitis control. The results, after experiment the functional wet tissue used group, demonstrated that the infection rate, cure rate and mean somatic cell count(SCC) were significantly decreased as compared to the control group.

전기방사법을 이용한 유용성 생리활성성분을 포함한 고분자 마이크로입자 제조 (Electrospray-assisted Preparation of Polymer Microparticles Containing Water-insoluble Bioactive Compounds)

  • 황윤균;정민국;조성연;박성일;조은철
    • 대한화장품학회지
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    • 제43권1호
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    • pp.11-18
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    • 2017
  • Ethyl (4-(2,3-dihydro- 1H-indene-5-carboxyamido) benzoate)는 노화방지 효과가 있으나 난용성 및 결정화 특성을 가지고 있어 제형화 및 2차 가공을 통해 입자내 활성성분을 담지시키는데 어려움이 있으며, 3,5,7-trihydroxy-4'-methoxy-8-prenylflavone는 플라보노이드(flavonoid)류의 일종으로 미백기능을 가지고 있으나 복합제형에 사용할 경우 제형의 착색을 일으키는 물질 중 하나이다. 본 연구에서는 전기방사법을 이용하여 유용성/난용성 생리활성성분인 ethyl (4-(2,3-dihydro-1H-indene-5-carboxyamido) benzoate)와 3,5,7-trihydroxy-4'-methoxy-8-prenylflavone 성분을 각각 poly (methyl methacrylate)와 polycaprolactone 고분자 입자 내에 담지 시키고 이를 화장품 제형에 적용했을 때 나타나는 효과에 대해서 기술하였다. 입자내 활성성분을 담지시킨 고분자 입자를 제조하는 과정에는 고분자의 농도, 노즐의 구조, 그리고 고분자와 생리활성 성분의 상용성이 중요한 역할을 하였다. 아울러 3,5,7-trihydroxy-4'-methoxy-8-prenylflavone가 캡슐화된 polycaprolactone 고분자 입자를 금속산화물이 포함된 화장품 제형과 혼합하였을 경우, 고분자 입자는 캡슐화 되지 않은 flavonoid가 제형에 포함되었을 경우 나타나는 착색현상을 방지하는 데 효과적일 수 있다는 결과를 확인하였다.

방염용 실리카의 고정화를 위한 아마인유의 저온플라즈마처리 (Low Temperature Plasma Treatment of Linseed Oil for Immobilization of Silica as Flame-resistant Material)

  • 서은덕
    • 한국염색가공학회지
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    • 제24권4호
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    • pp.313-320
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    • 2012
  • For the preparation of hardened films which can be applied as a binder for flame-resistant materials such as silica, linseed oil was subjected to a low temperature plasma treatment with argon, or oxygen gas. The film was produced much faster than so-called drying of oil in air. The SEM analysis for silica particles embedded in the hardened film after plasma treatment showed that the silica particles were immobilized on substrate and were evenly dispersed. The FT-IR spectral analysis for the plasma-treated linseed oil films demonstrated that the radicals which were formed during the plasma treatments caused the linseed oil to be cross-linked, and the plasmas attacked carbon chains of the oil randomly without focusing on specific vulnerable bonds such carbon double and carbonyl bonds intensively unless exposure times of the plasmas were prolonged too much, while the cross-linking of the air-dried film was considered to occur at the well-known typical sites, i.e., carbon-carbon double bond and ${\alpha}$-methylene carbon. Burning times, as a measure of flame/fire resistance, of silica-filled cellulose substrates, increased with increasing contents of silica.

친환경 실리콘계 드라이클리닝 용제(Decamethylcyclopentasiloxane, D5)의 모직물 세척성 향상을 위한 드라이클리닝세제용 계면활성제 연구 (An Investigation of Surfactants for Drycleaning Detergents to Improve Detergency of Wool Fabric in Eco-friendly Silicone Drycleaning Solvent (Decamethylcyclopentasiloxane, D5))

  • 김천희
    • 한국염색가공학회지
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    • 제26권3호
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    • pp.209-217
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    • 2014
  • Detergency and soil redeposition of wool fabric in drycleaning solvents, i.e. petroleum solvent, perchloroethylene (PCE), decamethylcyclopentasiloxane($D_5$), with commercial detergents were studied. The detergency of wool soiled cloth in drycleaning solvents without detergents were the order of PCE > petroleum solvent > $D_5$. When commercial detergents were added to the system, the detergency were greatly improved. When 1.0% water was added to solvents/commercial detergents system, the detergency of petroleum solvent and PCE improved whereas that of $D_5$ decreased. The soil redeposition prevention effects of solvents were the same order of detergency, i.e. PCE > petroleum solvent > $D_5$. When commercial detergents were added to the system, the soil redeposition changed depending on solvents and detergents. The soil redeposition in $D_5$ became higher with a commercial detergent, therefore it is important to develop appropriate detergents for $D_5$. Three silicone surfactants were tested for detergency and soil redeposition in $D_5$ to find candidate surfactants for drycleaning detergent formulations. Silicone surfactant PEG/PPG-19/19 Dimethicone was found to be the best surfactant for $D_5$ drycleaning detergents.

섬유 텐터 대기오염물질의 선택적 제거를 위한 싸이클론 및 전기 집진 오일필터의 특성 (Characteristics of Cyclone and Electric Dust Collection Oil Filters for Selective Removal of Fiber Tenter Air Pollutants)

  • 정진호;류승한;권순덕;조윤현
    • 한국염색가공학회지
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    • 제35권4호
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    • pp.256-273
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    • 2023
  • Among the dyeing industries, the tenter process is a process that improves the quality of fibers by drying and ironing (heat treatment) dyed fabrics, and drugs such as water repellents, antistatic agents, and fiber softeners are mainly used in these tenter processes. These drugs are vaporized in the process of treatment by high temperatures (180 ~ 230℃), and are observed in a complex form such as white smoke, oil mist, and fine dust, causing odor. To treat the complex exhaust gas at the rear end of the tenter facility, most companies operate by installing a wet scrubber and an adsorption tower alone or in parallel, but there are many problems. In particular, the insoluble oil mist at the rear end of the tenter has significantly low processing efficiency in the cleaning dust collection facility, and there is a problem in the facility by adsorption due to the occlusion phenomenon caused by the oil mist. In addition, the odor gas at the rear end of the tenter contains a lot of aldehydes, and in order to improve these various problems, a complex exhaust purification device using cyclone and electric support collector was developed. This study examined the applicability of economical and efficient technology by removing complex air pollution at the rear end of the tenter and applying improved technology than the existing technology.