KR20200114255A - Activated carbon fiber textiles for CBR protective clothing, manufacturing method thereof and CBR protective clothing - Google Patents
Activated carbon fiber textiles for CBR protective clothing, manufacturing method thereof and CBR protective clothing Download PDFInfo
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- KR20200114255A KR20200114255A KR1020190035665A KR20190035665A KR20200114255A KR 20200114255 A KR20200114255 A KR 20200114255A KR 1020190035665 A KR1020190035665 A KR 1020190035665A KR 20190035665 A KR20190035665 A KR 20190035665A KR 20200114255 A KR20200114255 A KR 20200114255A
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- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
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- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
- D03D15/20—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads
- D03D15/242—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads inorganic, e.g. basalt
- D03D15/275—Carbon fibres
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B17/00—Protective clothing affording protection against heat or harmful chemical agents or for use at high altitudes
- A62B17/006—Protective clothing affording protection against heat or harmful chemical agents or for use at high altitudes against contamination from chemicals, toxic or hostile environments; ABC suits
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F9/00—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments
- D01F9/08—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments of inorganic material
- D01F9/12—Carbon filaments; Apparatus specially adapted for the manufacture thereof
- D01F9/14—Carbon filaments; Apparatus specially adapted for the manufacture thereof by decomposition of organic filaments
- D01F9/20—Carbon filaments; Apparatus specially adapted for the manufacture thereof by decomposition of organic filaments from polyaddition, polycondensation or polymerisation products
- D01F9/21—Carbon filaments; Apparatus specially adapted for the manufacture thereof by decomposition of organic filaments from polyaddition, polycondensation or polymerisation products from macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D01F9/22—Carbon filaments; Apparatus specially adapted for the manufacture thereof by decomposition of organic filaments from polyaddition, polycondensation or polymerisation products from macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds from polyacrylonitriles
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- D—TEXTILES; PAPER
- D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
- D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
- D02G1/00—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics
- D02G1/02—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics by twisting, fixing the twist and backtwisting, i.e. by imparting false twist
- D02G1/0206—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics by twisting, fixing the twist and backtwisting, i.e. by imparting false twist by false-twisting
- D02G1/0213—Producing crimped or curled fibres, filaments, yarns, or threads, giving them latent characteristics by twisting, fixing the twist and backtwisting, i.e. by imparting false twist by false-twisting after drawing the yarn on the same machine
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- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D1/00—Woven fabrics designed to make specified articles
- D03D1/0035—Protective fabrics
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- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2501/00—Wearing apparel
- D10B2501/04—Outerwear; Protective garments
Abstract
Description
본 발명은 화생방 보호의용 흡착성 및 세탁성이 우수한 활성탄소섬유 원단 및 그 제조방법, 이를 이용한 화생방 보호의에 관한 것이다.The present invention relates to an activated carbon fiber fabric having excellent adsorption and washing properties for a chemical protective clothing, a method for manufacturing the same, and a protective clothing for a protective clothing using the same.
일반적으로 화생방 보호의는 내화학성을 갖는 원단으로 제조되어 화생방지역이나 유해성 화학물질로 오염된 산업현장에서 사용된다.In general, chemical-resistant protective clothing is made of chemical-resistant fabric and is used in chemical-resistant areas or industrial sites contaminated with hazardous chemicals.
그리고, 보통 유독성 화학물질에 오염되면 증기상의 유독물질이 인체에 직접적인 영향을 주기 때문에 통기성 보호복(일명: 침투성 보호의)에서는 증기상 작용제를 흡착하여 걸러낼 수 있는 활성탄이 포함된 원단과 그 위에 위장성능을 부여한 원단을 적용한 이중 구조의 침투성 화생방 보호의를 채택하고 있다.In addition, when polluted with toxic chemicals, vapor-like toxic substances directly affect the human body, so in breathable protective clothing (aka: permeable protective clothing), a fabric containing activated carbon that can absorb and filter vapor-phase agents It adopts a double-structured permeable chemical protection clothing with a fabric that has been given camouflage performance.
활성탄이 포함된 원단을 이용한 화생방 보호의와 관련하여 특허문헌 0001이 제안된 바 있다.Patent Document 0001 has been proposed in relation to a protective clothing for chemicals using a fabric containing activated carbon.
특허문헌 0001은 외부의 화학성 독성물질로부터 인체가 보호되도록 내피 및 외피의 사이에 흡착층이 적층되어 이루어지되, 상기 인체에 착용되도록 상기 인체의 상반신에 대응되는 형태로 이루어진 보호의를 포함하고, 흡착층은 입상 활성탄 160~230 g/m²의 함유량으로 이루어진다.Patent document 0001 includes a protective clothing made in a form corresponding to the upper body of the human body to be worn on the human body, wherein an adsorption layer is laminated between the inner and outer skin to protect the human body from external chemical toxic substances, and adsorption The layer consists of a content of 160-230 g/m² of granular activated carbon.
상기 화생방 보호의는 흡착층의 활성탄들이 구형상으로 마련됨에 따라, 사용자가 활동시 관절부위 등이 접히면서 가압하게 될 경우 서로 맞닿아 있는 활성탄들이 가압력에 의해 깨지게 되는 등 손상의 우려가 있고, 부피와 중량이 커서 사용편의성이 낮으며, 세탁이 불가하여 재사용이 어려우며, 열피로도가 높은 단점이 있다. 나아가, 장시간 방치된 화생방 보호의를 입고 훈련할 경우 활성탄과 땀이 섞여 몸에 흘러내리는 문제가 있다.Since the activated carbons of the adsorption layer are provided in a spherical shape, there is a risk of damage, such as the activated carbons in contact with each other being broken by the pressing force when the joints are folded and pressurized when the user is active. It has the disadvantages that it has low convenience in use due to its large and heavy weight, it is difficult to reuse because it cannot be washed, and has high thermal fatigue. In addition, when training wearing a protective clothing for a chemical room that has been left unattended for a long time, there is a problem that activated carbon and sweat are mixed and flowed down the body.
이와 같은 종래의 문제점을 해결하기 위한 본 발명은 부피와 중량이 작고, 흡착성능이 우수하며 취급 및 세탁성이 우수한 화생방 보호의용 흡착성 및 세탁성이 우수한 활성탄소섬유 원단 및 그 제조방법, 이를 이용한 화생방 보호의를 제공하는 것을 목적으로 한다.The present invention for solving such a conventional problem is an activated carbon fiber fabric with excellent adsorption and washability, and a method of manufacturing the same, and a method for producing the same. It aims to provide protective clothing.
상기와 같은 목적을 달성하기 위한 본 발명은,The present invention for achieving the above object,
a) Oxi-PAN 방적사를 제직하여 Oxi-PAN 원단을 얻는 단계와;a) weaving the Oxi-PAN yarn to obtain an Oxi-PAN fabric;
b) 상기 Oxi-PAN 원단을 탄화시키는 단계와;b) carbonizing the Oxi-PAN fabric;
c) 상기 탄화된 원단을 수증기를 이용하여 활성화시켜 활성탄소섬유 원단을 얻는 단계;를 포함하는 것을 특징으로 하는 화생방 보호의용 흡착성 및 세탁성이 우수한 활성탄소섬유 원단의 제조방법을 제공한다.c) a step of obtaining an activated carbon fiber fabric by activating the carbonized fabric using water vapor; it provides a method for producing an activated carbon fiber fabric having excellent adsorption and washability for a protective clothing for chemicals comprising:
그리고 상기 a)단계의 Oxi-PAN 방적사는 섬유장이 30~50mm인 Oxi-PAN 스테이플로 이루어진 Oxi-PAN 연신슬라이버를 연신시킨 후 가연하여 Oxi-PAN 방적사를 제조하는 것이 좋다.In addition, the Oxi-PAN spinning yarn of step a) is preferably drawn by stretching an Oxi-PAN stretched sliver consisting of Oxi-PAN staples having a fiber length of 30 to 50 mm, and then twisting to prepare an Oxi-PAN yarn.
상기 b)단계는 상기 Oxi-PAN 원단을 불활성분위기에서 900 내지 1000℃로 60분간 탄화시키는 단계로 이루어지는 것이 좋다.The step b) preferably consists of carbonizing the Oxi-PAN fabric at 900 to 1000° C. for 60 minutes in an inert atmosphere.
또한 상기 c)단계는 상기 탄화된 원단을 850 내지 950℃의 수증기를 이용하여 30분간 활성화시키는 것이 바람직하다.In addition, in step c), it is preferable to activate the carbonized fabric for 30 minutes using steam at 850 to 950°C.
아울러, 본 발명은 상기 제조방법에 의해 제조된 것을 특징으로 하는 화생방 보호의용 흡착성 및 세탁성이 우수한 활성탄소섬유 원단을 제공한다.In addition, the present invention provides an activated carbon fiber fabric having excellent adsorption and washability for a chemical protection clothing, which is manufactured by the above manufacturing method.
나아가, 본 발명은 외피와 내피 사이에 상기 활성탄소섬유 원단이 배치되어 형성된 보호의용 원단으로 구성되는 것을 특징으로 하는 흡착성 및 세탁성이 우수한 활성탄소섬유 원단을 이용한 화생방 보호의를 제공한다.Further, the present invention provides a protective clothing for chemicals using an activated carbon fiber fabric having excellent adsorption and washability, characterized in that it is composed of a protective clothing fabric formed by disposing the activated carbon fiber fabric between the outer skin and the inner skin.
본 발명은 비표면적이 우수하고 흡착성능이 우수하며 부피와 중량이 작고, 세탁이 가능한 활성탄소섬유 원단을 제조할 수 있는 효과가 있다.The present invention has an effect of producing an activated carbon fiber fabric with excellent specific surface area, excellent adsorption performance, small volume and weight, and washable.
이하, 본 발명의 화생방 보호의용 흡착성 및 세탁성이 우수한 활성탄소섬유 원단의 제조방법을 상세히 설명하면 다음과 같다.Hereinafter, a detailed description will be given of a method for producing an activated carbon fiber fabric having excellent adsorption and washability for the protective clothing of the present invention.
본 발명의 화생방 보호의용 흡착성 및 세탁성이 우수한 활성탄소섬유 원단의 제조방법은 크게 Oxi-PAN원단 제조단계, 탄화단계 및 활성화단계를 포함하여 이루어진다.The method of manufacturing an activated carbon fiber fabric having excellent adsorption and washability for the chemical protection clothing of the present invention comprises a manufacturing step of an Oxi-PAN fabric, a carbonization step, and an activation step.
먼저, 상기 Oxi-PAN원단 제조단계는 Oxi-PAN 방적사를 제직하여 Oxi-PAN 원단을 얻는 단계이다.First, the Oxi-PAN fabric manufacturing step is a step to obtain an Oxi-PAN fabric by weaving Oxi-PAN yarn.
상기 Oxi-PAN 방적사는 섬유장이 30~50mm인 Oxi-PAN 스테이플로 이루어진 Oxi-PAN 연신슬라이버를 연신시킨 후 가연하여 제조하는 것이 좋다.The Oxi-PAN spun yarn is preferably prepared by stretching an Oxi-PAN stretching slicer made of Oxi-PAN staples having a fiber length of 30 to 50 mm and then twisting.
그리고 이때 Oxi-PAN 연신슬라이버를 연신할 때 사절을 방지하고 Oxi-PAN 단섬유가 부서지는 것을 방지하기 위해 Oxi-PAN(Oxidized PAN) 연신슬라이버를 1.2 내지 1.3의 드래프트 비로 1차 연신하고, 1차 연신된 연신슬라이버를 6.5 내지 7.0의 드래프트비로 2차 연신한 후 가연하는 것이 좋다.And at this time, in order to prevent trimming and prevent the Oxi-PAN short fibers from being broken when stretching the Oxi-PAN stretching slider, the Oxi-PAN (Oxidized PAN) stretching slider is first drawn at a draft ratio of 1.2 to 1.3, It is better to twist the first stretched stretcher after the second stretch at a draft ratio of 6.5 to 7.0.
상기 Oxi-PAN 방적사를 직조 또는 편직하여 직물 또는 편직물로 이루어진 원단을 얻는다.The Oxi-PAN spun yarn is woven or knitted to obtain a fabric or a fabric made of a knitted fabric.
그리고 상기 탄화단계는 상기 Oxi-PAN 원단을 탄화시키는 단계이다. And the carbonization step is a step of carbonizing the Oxi-PAN fabric.
상기 Oxi-PAN 원단을 질소분위기 등의 불활성분위기에서 900 내지 1000℃로 30분 내지 60분간 탄화시키는 것이 좋다. 상기 Oxi-PAN 원단을 900℃ 미만으로 탄화시킬 경우 탄화시간이 장시간 소요되고 부분적으로 탄화가 일어나지 않는 부분이 발생할 우려가 있고, 1000℃ 초과로 탄화시킬 경우 고온의 수증기를 이용하여 활성화시킬 때 섬유가 부서지는 등 형태 안정성이 좋지 못하다.It is preferable to carbonize the Oxi-PAN fabric at 900 to 1000°C for 30 to 60 minutes in an inert atmosphere such as a nitrogen atmosphere. If the Oxi-PAN fabric is carbonized at less than 900°C, it takes a long time to carbonize and there is a concern that a part where carbonization does not occur partially.If it is carbonized at more than 1000°C, the fiber will become active when activated using high temperature steam. The shape stability is poor, such as being broken.
다음으로 상기 활성화 단계는 상기 탄화된 원단을 수증기를 이용하여 활성화시켜 활성탄소섬유 원단을 얻는 단계이다.Next, the activation step is a step of obtaining an activated carbon fiber fabric by activating the carbonized fabric using water vapor.
상기 탄화된 원단을 850 내지 950℃의 수증기를 이용하여 30 내지 60분간 활성화시키는 것이 바람직하다.It is preferable to activate the carbonized fabric for 30 to 60 minutes using steam at 850 to 950°C.
상기 탄화된 원단을 850℃ 미만의 수증기를 이용하여 활성화시킨 경우 비표면적이 약 800㎡/g 미만으로 높지 못하고, 950℃ 초과의 수증기를 이용하여 활성화시킨 경우 경제성이 좋지 못하다.When the carbonized fabric is activated using water vapor of less than 850°C, the specific surface area is not as high as about 800 m 2 /g, and when activated using water vapor of more than 950°C, economical efficiency is not good.
이와 같이 제조된 활성탄소섬유 원단은 비표면적이 840㎡/g 이상으로 매우 우수하고, 직경이 50nm 이하의 기공을 가지는 등 흡착성이 우수하여 화생방 가스의 포집이 가능할 뿐만 아니라 세탁이 가능하여 취급성이 우수하다.The activated carbon fiber fabric prepared in this way is very excellent with a specific surface area of 840㎡/g or more, and has excellent adsorption properties such as pores of 50nm or less in diameter. great.
특히, 상기 활성탄소섬유 원단이 기존의 화생방 보호의에 사용된 구형상의 활성탄으로 이루어지지 않고, 직물 또는 편직물 형태로 이루어짐에 따라 세탁이 가능하고 부피가 적고 가벼원 취급성이 좋다.In particular, since the activated carbon fiber fabric is not made of the spherical activated carbon used in the conventional protective clothing for chemicals, but is in the form of a woven or knitted fabric, washing is possible, the volume is small, and the handling is good.
상기 활성탄소섬유는 외피와 내피 사이에 배치한 원단을 화생방 보호의 등의 다양한 용도로 사용가능하다.The activated carbon fiber can be used for various purposes, such as for protecting the chemicals, the fabric disposed between the outer skin and the inner skin.
다음으로, 본 발명의 화생방 보호의용 흡착성 및 세탁성이 우수한 활성탄소섬유 원단의 제조방법을 실시예를 들어 상세히 설명하면 다음과 같고, 본 발명의 권리범위는 하기의 실시예에 한정되는 것은 아니다.Next, the method of manufacturing an activated carbon fiber fabric having excellent adsorption and washability for the chemical protection clothing of the present invention will be described in detail by way of examples, and the scope of the present invention is not limited to the following examples.
[실시예 1 내지 3][Examples 1 to 3]
섬유장이 30~50mm인 Oxi-PAN 스테이플을 연신 및 가연하여 면번수 기준 20수의 Oxi-PAN 방적사를 제조하였다. 그리고 Oxi-PAN 방적사를 이용하여 원단폭 1m 이상, 바닥중량 200g/㎡ 이하의 100% Oxi-PAN 원단을 제직하였다.Oxi-PAN staples with a fiber length of 30 to 50 mm were drawn and twisted to prepare 20 Oxi-PAN yarns based on the number of cotton. And 100% Oxi-PAN fabric having a fabric width of 1m or more and a floor weight of 200g/m2 or less was woven using Oxi-PAN spun yarn.
100% Oxi-PAN 원단의 시편을 하기의 표 1과 같이 850 내지 1000℃의 질소를 주입한 상태에서 60분간 탄화시키고, 탄화된 원단을 750 내지 950℃ 수증기를 이용하여 30분간 활성화켜 실시예 1 내지 4의 활성탄소섬유 원단을 제조하였다.Example 1 A specimen of 100% Oxi-PAN fabric was carbonized for 60 minutes in a state in which nitrogen at 850 to 1000°C was injected as shown in Table 1 below, and the carbonized fabric was activated for 30 minutes using steam at 750 to 950°C. The activated carbon fiber fabrics of 4 were prepared.
[비표면적 측정][Specific surface area measurement]
실시예 1 내지 4의 활성탄소섬유 원단에 대하여 77K 질소흡착실험을 진행하였고, Brunauer-Emmett-Teller (BET) 식을 사용하여 비표면적(SBET)을 도출하였다. 그리고 총 기공부피(VTotal)는 상대압(Relative pressure) 0.990까지의 흡착곡선을 이용하여 구하였고, Dubinin Radushkevich (D-R) 식을 사용하여 미세기공부피(VMicro)를 도출하였으며, 중형기공부피(VMeso)의 경우 총기공부피에서 미세기공부피를 제외한 부피로 계산하였다. 그리고 이에 대한 측정결과를 표 2로 나타냈다.A 77K nitrogen adsorption test was performed on the activated carbon fiber fabrics of Examples 1 to 4, and a specific surface area (S BET ) was derived using the Brunauer-Emmett-Teller (BET) equation. And the total pore volume (V Total ) was obtained using the adsorption curve up to the relative pressure (Relative pressure) 0.990, and the micro pore volume (V Micro ) was derived using the Dubinin Radushkevich (DR) equation, and the medium pore volume ( V Meso ) was calculated as the total pore volume minus the micropore volume. And the measurement results for this are shown in Table 2.
(m2/g)S BET
(m 2 /g)
(cm3/g)V Total
(cm 3 /g)
(cm3/g)V Micro
(cm 3 /g)
(cm3/g)V Meso
(cm 3 /g)
표 2에서 확인되는 바와 같이 실시예 1 내지 실시예 4는 비표면적이 844.51m2/g 이상으로 컸고, 특히 실시예 2 내지 4는 1012.30 m2/g 이상으로 높게 측정되었다.Examples 1 to embodiment as will be confirmed from Table 2. Example 4 is the great and above 844.51m 2 / g specific surface area, in particular, Examples 2 to 4 was measured by high over 1012.30 m 2 / g.
그리고 실시예 3 및 실시예 4의 경우 총 기공부피가 0.51cm3/g 이상으로 관찰되었고, 이 중 미세기공부피가 0.42cm3/g 을 차지하는 등 대부분이 미세기공으로 이루어져 있음을 확인할 수 있다.And Example 3 and Example 4. The total pore volume was observed to more than 0.51cm 3 / g In the case of, the micropores of the study blood it can be seen that this consists of a ball and so on, which accounts for most of 0.42cm 3 / g micropores.
Claims (6)
b) 상기 Oxi-PAN 원단을 탄화시키는 단계와;
c) 상기 탄화된 원단을 수증기를 이용하여 활성화시켜 활성탄소섬유 원단을 얻는 단계;를 포함하는 것을 특징으로 하는 화생방 보호의용 흡착성 및 세탁성이 우수한 활성탄소섬유 원단의 제조방법.
a) weaving the Oxi-PAN yarn to obtain an Oxi-PAN fabric;
b) carbonizing the Oxi-PAN fabric;
c) a step of obtaining an activated carbon fiber fabric by activating the carbonized fabric using water vapor; a method for producing an activated carbon fiber fabric having excellent adsorption and washability for a protective clothing for chemicals comprising a.
상기 a)단계의 Oxi-PAN 방적사는 섬유장이 30~50mm인 Oxi-PAN 스테이플로 이루어진 Oxi-PAN 연신슬라이버를 연신시킨 후 가연하여 Oxi-PAN 방적사를 제조하는 것을 특징으로 하는 화생방 보호의용 흡착성 및 세탁성이 우수한 활성탄소섬유 원단의 제조방법.
The method of claim 1,
The Oxi-PAN spun yarn of step a) stretches an Oxi-PAN stretched sliver consisting of Oxi-PAN staples with a fiber length of 30 to 50 mm, and then twists the yarn to prepare an Oxi-PAN spun yarn. Manufacturing method of activated carbon fiber fabric with excellent washability.
상기 b)단계는 상기 Oxi-PAN 원단을 불활성분위기에서 900 내지 1000℃로 60분간 탄화시키는 것을 특징으로 하는 화생방 보호의용 흡착성 및 세탁성이 우수한 활성탄소섬유 원단의 제조방법.
The method of claim 1,
In the step b), the Oxi-PAN fabric is carbonized at 900 to 1000°C for 60 minutes in an inert atmosphere.
상기 c)단계는 상기 탄화된 원단을 850 내지 950℃의 수증기를 이용하여 30분간 활성화시키는 것을 특징으로 하는 화생방 보호의용 흡착성 및 세탁성이 우수한 활성탄소섬유 원단의 제조방법.
The method of claim 3,
In step c), the carbonized fabric is activated for 30 minutes by using water vapor at 850 to 950°C for 30 minutes.
An activated carbon fiber fabric having excellent adsorption and washability for a protective clothing for chemicals, characterized in that it is produced by the manufacturing method of any one of claims 1 to 4.
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| KR102353824B1 (en) * | 2021-06-04 | 2022-01-20 | 국방과학연구소 | Multilayer fabric for cbr-protective suit, manufacturing method thereof and cbr-protective suit |
| KR20220083239A (en) | 2020-12-11 | 2022-06-20 | 주식회사 티에프제이 | Oxipan stabilized fiber improved with crimp and flame-resistance, flame-resistance spun yarn containing the same and preparation thereof |
| KR20220160396A (en) | 2021-05-27 | 2022-12-06 | 재단법인 한국탄소산업진흥원 | Mass production method of activated carbon fiber fabric for apparel application and activated carbon fiber fabric using the same |
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| KR20220083239A (en) | 2020-12-11 | 2022-06-20 | 주식회사 티에프제이 | Oxipan stabilized fiber improved with crimp and flame-resistance, flame-resistance spun yarn containing the same and preparation thereof |
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