KR102104702B1 - m-Aramid Textile Pretreatment method and Pretreatment Composite for a m-Aramid Textile - Google Patents
m-Aramid Textile Pretreatment method and Pretreatment Composite for a m-Aramid Textile Download PDFInfo
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- KR102104702B1 KR102104702B1 KR1020170085473A KR20170085473A KR102104702B1 KR 102104702 B1 KR102104702 B1 KR 102104702B1 KR 1020170085473 A KR1020170085473 A KR 1020170085473A KR 20170085473 A KR20170085473 A KR 20170085473A KR 102104702 B1 KR102104702 B1 KR 102104702B1
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/263—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated carboxylic acids; Salts or esters thereof
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
- D06C3/00—Stretching, tentering or spreading textile fabrics; Producing elasticity in textile fabrics
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/643—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicon in the main chain
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M7/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made of other substances with subsequent freeing of the treated goods from the treating medium, e.g. swelling, e.g. polyolefins
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Abstract
본 발명은 메타계 아라미드 섬유에 전처리 가공용 조성물을 처리함으로써 메타계 아라미드 섬유에 프린팅되는 이미지에 대한 우수한 발색도와 견뢰도(일광, 마찰, 세탁), 방염성이 보장되게끔 메타계 아라미드 섬유를 전처리하기 위한 가공방법과 위 전처리 가공에 이용하기에 최적화된 메타계 아라미드 섬유의 전처리 가공용 조성물에 관한 것이다.
본 발명은 메타계 아라미드 섬유의 표면에 아크릴계 수지를 기반으로 하는 전처리 가공용 조성물을 패딩 가공하여 메타계 아라미드 섬유에 전처리 가공용 조성물을 함침하는 가공공정과 전처리 가공용 조성물이 함침된 메타계 아라미드 섬유를 건조하는 건조 가공공정에 의해 메타계 아라미드 섬유에 대한 전처리 가공이 완료되도록 한 것이다.
본 발명은 일액형의 전처리 가공용 조성물을 이용하여 전용화 장비를 사용하지 않으면서 단순한 작업공정을 통해 메타계 아라미드 섬유를 전처리 가공할 수 있게 한 것으로, 생산공정의 단순화 및 조제의 간소화를 통해 생산원가를 줄일 수 있는 등의 효과가 있다.The present invention is a processing method for pre-processing meta-aramid fibers to ensure excellent color development, fastness (sunlight, friction, washing), and flame resistance to images printed on meta-aramid fibers by processing the composition for pre-treatment processing on meta-aramid fibers. It relates to a composition for pre-treatment of meta-aramid fibers optimized for use in fruit pre-treatment.
The present invention is to dry the meta-aramid fiber impregnated with a pre-processing composition and a processing step of impregnating the composition for pre-treatment processing with a padding process for a pre-processing composition based on an acrylic resin on the surface of the meta-aramid fiber. The pre-processing process for meta-aramid fibers is completed by the drying process.
The present invention is to enable pre-processing of meta-aramid fibers through a simple working process without using specialized equipment by using a one-component composition for pre-treatment processing, and the production cost through simplification of the production process and simplification of preparation. It can reduce the effect.
Description
본 발명은 메타계 아라미드 섬유에 디지털 텍스타일 프린팅(DTP; Digital Textile Printing)이 가능하도록 해주기 위한 전처리 가공방법 및 위 가공방법에 이용되는 메타계 아라미드 섬유의 전처리 가공용 조성물에 관한 것으로, 좀더 상세하게는 메타계 아라미드 섬유에 전처리 가공용 조성물을 처리함으로써 메타계 아라미드 섬유에 프린팅되는 이미지에 대한 우수한 발색도와 견뢰도(일광, 마찰, 세탁), 방염성이 보장되게끔 메타계 아라미드 섬유를 전처리하기 위한 가공방법과 위 전처리 가공에 이용하기에 최적화된 메타계 아라미드 섬유의 전처리 가공용 조성물을 제공하기 위한 것이다.The present invention relates to a pretreatment processing method for enabling digital textile printing (DTP) on meta aramid fibers and a composition for pretreatment processing of meta aramid fibers used in the above processing method, more specifically meta Processing method for pre-processing meta-aramid fibers and gastric pre-treatment processing to ensure excellent color development, fastness (daylight, friction, washing) and flame resistance to images printed on meta-aramid fibers by treating the composition for pre-treatment with aramid fibers It is to provide a composition for pre-treatment of meta-aramid fibers optimized for use in the.
아라미드 섬유는 결합형태에 따라 메타계 아라미드(Meta-liked Aramid)섬유와 파라계 아라미드(Para-liked Aramid) 섬유로 크게 구분되는데, 메타계 아라미드 섬유는 열안정성에 우수하다는 특징이 있다.The aramid fibers are largely classified into meta-liked aramid fibers and para-liked aramid fibers according to the bonding type, and meta-aramid fibers are characterized by being excellent in thermal stability.
메타계 아라미드 섬유는 벤젠환이 메타 위치에서 아미드기와 연결된 중합체로 만든 섬유의 총칭이며, 상기 메타계 아라미드 섬유는 융점이 350℃에 이르기 때문에 내열성, 난연성, 방염성이 우수하여 방호용 의류 및 장비, 레이싱용 의류나 항공기용 내부 소재, 산업용 필터재 등과 같은 다양한 분야에 사용되고 있으며 일반 소비자용 의류나 생활 소재 등으로도 쓰이고 있다.(상품명 : 듀퐁사 - 노멕스(Nomex), 테이진사 - 고넥스 등)The meta-aramid fiber is a generic term for a fiber made of a polymer in which the benzene ring is connected to an amide group at the meta position, and the meta-aramid fiber has excellent melting resistance, flame retardancy, and flame resistance because it has a melting point of 350 ° C. It is used in various fields such as clothing, interior materials for aircraft, industrial filter materials, etc., and is also used as general consumer clothing and life materials (brand names: DuPont-Nomex, Teijin-Gonex, etc.)
메타계 아라미드 섬유는 특히 내열성, 난연성, 내약품성, 내방사성이 우수하기 때문에 소방복 등과 같은 방호의류에 많이 사용되고 있으나 강고한 분자구조와 고결정성의 치밀한 구조 때문에 염료의 침투가 어려운바, 아라미드 섬유의 염색(인쇄)과 관련하여서는 현재까지 여러 가지 연구개발이 이루어지고 있다. Meta-aramid fibers are especially used in protective clothing such as fire fighting clothing because of their excellent heat resistance, flame retardancy, chemical resistance, and radiation resistance, but due to their strong molecular structure and dense structure of high crystallinity, the penetration of dyes is difficult. Regarding (printing), various research and development have been conducted to date.
메타계 아라미드 섬유의 염색성(인쇄능)을 향상시켜 주기 위한 방안으로 스퍼터링(sputtering) 처리를 통해 염색성을 향상하거나 농염화와 용매처리에 의한염색성의 향상 방안 등이 제시되고 실용화 수단으로 안료를 폴리머에 혼입한 원착에 의한 방법이 소개되고 있으나 이는 안료를 폴리머에 혼입하는 것이기 때문에 폴리머의 교체 손실이 클 뿐만 아니라 메타계 아라미드 섬유에 대한 단일 색상의 대량 염색작업을 위한 것이어서 소량 염색이나 다양한 색상의 염색작업에는 적합하지 않았으며, 내열성이 있는 안료를 선정해야한다는 제약이 따른다.As a way to improve the dyeability (printability) of meta-aramid fibers, it is suggested to improve the dyeability through sputtering treatment or to improve the dyeing properties by concentration and solvent treatment. Introduced by the original method of mixing, but this is because the pigment is incorporated into the polymer, so the loss of replacement of the polymer is not only large, but also for mass dyeing of a single color of meta-aramid fibers, so it is a small amount of dyeing or dyeing of various colors. It is not suitable for, and there is a restriction that a pigment having heat resistance should be selected.
그리고, 치밀한 섬유구조를 느슨하게 개질함으로써 염료를 분자 사이에 염착시키는 방안 및 섬유구조를 느슨하게 개질한 후 더욱 다량의 용매를 사용하여 더욱 팽윤시켜 염료를 분자 사이에 염착시키는 방안 등이 제시되었으나 이는 섬유를 이완구조로 개질하고 이를 위한 용제를 병용하기 때문에 아라미드 섬유의 강도가 저하된다는 문제점이 발생할 뿐만 아니라 설비 측면에서도 용제회수처리시설 등이 필요하다는 부분에서 비용적인 문제점이 지적되었다.In addition, a method of dyeing dyes between molecules by loosely modifying a dense fiber structure and a method of dyeing dyes between molecules by swelling with a larger amount of solvent and then swelling the fibers are proposed. A cost problem has been pointed out in that the problem is that the strength of the aramid fiber is lowered due to the modification of the relaxation structure and the use of a solvent for this, as well as the need for a solvent recovery treatment facility in terms of equipment.
한편, 아라미드 섬유의 염색성 향상을 위한 방안의 하나로 초고온 고압에 의한 처리 방안이 제시되고 있으나 이는 190℃ 이상의 초고온에서 처리하기 때문에 고내열성 염료와 중후한 설비가 필요할 뿐만 아니라 대량의 에너지가 소비되는 문제점이 있다.On the other hand, as one of the methods for improving the dyeability of the aramid fiber, a treatment method by ultra-high temperature and high pressure has been proposed, but since it is processed at an ultra-high temperature of 190 ° C or higher, it requires a high heat-resistant dye and heavy equipment, and consumes a large amount of energy. have.
메타계 아라미드 섬유에 디지털 텍스타일 프린팅(DTP)이 가능하게 하기 위하여, 메타계 아라미드 섬유에 아크릴계 수지를 기반으로 하는 1차 전처리용 조성물을 도포한 후 건조하여 1차 전처리용 조성물에 대한 열고정 및 건조가 이루어지도록 하고, 1차 전처리용 조성물이 처리된 메타계 아라미드 섬유에 실리콘계 수지를 기반으로 하는 2차 전처리용 조성물을 도포한 후 건조하여 2차 전처리용 조성물에 대한 열고정 및 건조가 이루어지도록 한 메타계 아라미드 섬유에 대한 전처리 가공기술이 제시되었다.In order to enable digital textile printing (DTP) on meta-aramid fibers, the composition for primary pre-treatment based on acrylic resin is applied to meta-aramid fibers and dried to heat and dry the primary pretreatment composition. Is made, and after applying the composition for the secondary pretreatment based on the silicone resin to the meta-aramid fiber treated with the composition for the primary pretreatment, and drying it, the heat treatment and the drying for the composition for the secondary pretreatment are performed. A pre-treatment technology for meta-aramid fibers has been proposed.
[문헌 1] 대한민국 공개특허공보 제10-2017-0022103호(2017. 03. 02.)[Document 1] Republic of Korea Patent Publication No. 10-2017-0022103 (2017. 03. 02.)
메타계 아라미드 섬유에 디지털 텍스타일 프린팅(DTP)이 가능하게 해주기 위한 종래의 전처리 가공방법은 1차 전처리 가공용 조성물의 처리 및 2차 전처리 가공용 조성물의 처리로 이루어지는 두 단계의 공정으로 이루어지도록 한 것으로, 메타계 아라미드 섬유에 프린팅되는 이미지의 발색도 및 첨예도와 일광견뢰도 등을 우수하게 할 수 있으나 별도의 전처리 가공용 조성물을 준비하여야 하고 각각의 전처리 가공을 위한 설비를 갖추어야 하므로 대량 생산시에는 작업공정의 번거로움이 따를 뿐만 아니라 생산원가가 비싸진다는 등의 문제점이 발생한다.Conventional pre-treatment processing method for enabling digital textile printing (DTP) on meta-aramid fibers is to be performed in a two-step process consisting of treatment of a composition for primary pre-treatment processing and composition for secondary pre-treatment processing. It can improve the color development, sharpness and color fastness of images printed on aramid fibers, but it is necessary to prepare a separate composition for pre-processing and to prepare equipment for each pre-processing. In addition to this, there are problems such as high production cost.
본 발명은 전술한 바와 같은 종래 메타계 아라미드 섬유의 전처리 가공에 따른 문제점을 해결하기 위해 창출한 것으로서, 일액형의 전처리 가공용 조성물을 이용하여 메타계 아라미드 섬유를 전처리 가공할 수 있게 함으로써 작업공정을 단순화함과 아울러 생산원가를 줄일 수 있도록 하고, 나아가 전처리 가공된 메타계 아라미드 섬유에 인쇄되는 이미지의 발색도 및 첨예도와 일광견뢰도를 우수하게 유지시킬 수 있도록 함에 기술적 과제의 주안점을 두고 완성한 메타계 아라미드 섬유의 디지털 텍스타일 프린팅(DTP; Digital Textile Printing)을 위한 전처리 가공방법과 위 전처리 가공에 이용하기에 최적화된 메타계 아라미드 섬유의 전처리 가공용 조성물을 제공하고자 한다.The present invention was created to solve the problems associated with the pre-treatment of the conventional meta-aramid fiber as described above, and simplifies the working process by allowing the pre-treatment of the meta-aramid fiber using a one-component composition for pre-treatment. In addition, it is possible to reduce production cost, and to further improve the color development, sharpness, and color fastness of images printed on pre-processed meta-based aramid fibers. To provide a pretreatment process for digital textile printing (DTP) and a composition for pretreatment process of meta-aramid fibers optimized for use in the above pretreatment process.
상기한 기술적 과제를 해결하기 위한 본 발명은 유리전이온도(Tg)가 45℃인 아크릴계 수지를 10 ~ 30kg로 하였을 때 인계 난연제를 5 ~ 20kg, 내광증진제를 1 ~ 10kg, 유연제를 1 ~ 10kg, 중량비율로 배합한 후 고르게 교반하여 전처리 가공용 조성물을 조성하고, 상기 전처리 가공용 조성물을 메타계 아라미드 섬유에 패딩처리함으로써 메타계 아라미드 섬유에 전처리 가공용 조성물이 함침되도록 하는 함침 가공공정과, 전처리 가공용 조성물이 함침된 메타계 아라미드 섬유를 건조하여 전처리 가공용 조성물에 대한 열고정 및 건조가 이루어지도록 하는 건조 가공공정으로 이루어지는 것을 기술적 특징으로 하는 것이다.The present invention for solving the above technical problem is that when the acrylic resin having a glass transition temperature (Tg) of 45 ° C is 10 to 30 kg, phosphorus-based flame retardant is 5 to 20 kg, light resistance enhancer is 1 to 10 kg, softener is 1 to 10 kg, After mixing at a weight ratio to form a composition for pretreatment processing by stirring evenly, and the padding treatment for the pretreatment composition for meta-aramid fibers to impregnate the meta-aramid fiber with a composition for pretreatment processing, an impregnation processing process, and a composition for pretreatment processing It is a technical feature that the impregnated meta-aramid fiber is dried to be heat-set and dried for the composition for pre-treatment processing to be dried.
본 발명에서 제시하는 메타계 아라미드 섬유의 디지털 텍스타일 프린팅을 위한 전처리 가공방법은 일액형의 전처리 가공용 조성물을 이용하여 전용화 장비를 사용하지 않으면서 단순한 작업공정을 통해 메타계 아라미드 섬유를 전처리 가공할 수 있게 한 것으로, 생산공정의 단순화 및 조제의 간소화를 통해 생산원가를 줄일 수 있으며, 디지털 텍스타일 프린팅용 메타계 아라미드 섬유에 대한 대량 생산이나 소량 생산 모두에 적합하다.The pretreatment processing method for digital textile printing of meta-aramid fibers proposed in the present invention can pre-process meta-aramid fibers through a simple work process without using specialized equipment using a one-component pretreatment processing composition. As a result, the production cost can be reduced by simplifying the production process and dispensing, and it is suitable for both mass production and small production of meta-aramid fibers for digital textile printing.
본 발명에 의해 제조되는 메타계 아라미드 섬유는 다양한 색상의 디지털 프린팅이 가능하며, 메타계 아라미드 섬유에 프린팅된 이미지의 발색도 및 첨예도와 견뢰도, 방염성을 우수하게 유지시킬 수 있는 등 그 기대되는 효과가 유익한 발명이다.The meta-aramid fibers produced by the present invention can be digitally printed in various colors, and have expected effects such as maintaining excellent color development, sharpness, color fastness, and flame retardancy of images printed on meta-aramid fibers. It is a beneficial invention.
도 1은 메타계 아라미드 섬유의 디지털 텍스타일 프린팅을 위한 전처리 가공방법의 공정도.
도 2는 본 발명에 의해 전처리 가공된 메타계 아라미드 섬유 시편에 이미지를 프린팅하여 촬영한 사진.
도 3은 비교 시편에 이미지를 프린팅하여 촬영한 사진.1 is a process diagram of a pre-processing method for digital textile printing of meta-based aramid fibers.
Figure 2 is a photograph taken by printing an image on a meta-based aramid fiber specimen pre-processed by the present invention.
Figure 3 is a photograph taken by printing an image on a comparative specimen.
도 1에 본 발명에서 제시하는 메타계 아라미드 섬유의 디지털 텍스타일 프린팅을 위한 전처리 가공방법의 공정도가 도시되는데, 도시된 바를 통해 본 발명은 전처리 가공용 조성물의 패딩 가공을 통한 함침 가공공정과 건조 가공공정 등을 통해 메타계 아라미드 섬유의 디지털 텍스타일 프린팅(DTP; Digital Textile Printing)을 위한 전처리 가공이 완료되도록 한 것임을 확인할 수 있는바, 이하에서 각 공정에 대해 설명하기로 한다.Figure 1 shows a process diagram of a pre-treatment process for digital textile printing of meta-aramid fibers presented in the present invention, the present invention through the illustrated impregnation process and dry processing process, etc. Through this, it can be confirmed that the pre-processing process for digital textile printing (DTP) of meta-aramid fibers is completed. Hereinafter, each process will be described.
< < 함침Impregnation 가공공정 > Processing Process>
본 공정은 메타계 아라미드 섬유에 프린팅 기반을 형성하여 주기 위한 공정으로, 메타계 아라미드 섬유의 표면에 아크릴계 수지를 기반으로 하는 전처리 가공용 조성물을 패딩 가공하여 메타계 아라미드 섬유에 전처리 가공용 조성물이 함침되도록 하는 것이다.This process is a process for forming a printing base on meta-aramid fibers, so that the composition for pre-treatment processing based on acrylic resin is padded on the surface of the meta-aramid fibers to impregnate the meta-aramid fibers with a composition for pre-treatment processing. will be.
본 발명에 사용되는 전처리 가공용 조성물은 유리전이온도(Tg)가 45℃인 아크릴계 수지를 10 ~ 30kg로 하였을 때 인계 난연제를 5 ~ 20kg, 내광증진제를 1 ~ 10kg, 유연제를 1 ~ 10kg, 물을 100kg의 중량비율로 배합한 후 균질기(Homogenizer)를 사용하여 1,000 ~ 1,500 rpm의 속도로 균질 혼합하여 구한 것이다.The composition for pre-treatment processing used in the present invention is 5 to 20 kg of phosphorus-based flame retardant, 1 to 10 kg of light resistance enhancer, 1 to 10 kg of softener, and 1 to 10 kg of water, when water-based flame retardant is 10 to 30 kg of acrylic resin having a glass transition temperature (Tg) of 45 ° C. It is obtained by mixing at a weight ratio of 100 kg and then homogeneously mixing at a rate of 1,000 to 1,500 rpm using a homogenizer.
상기 전처리 가공용 조성물을 구성하는 인계 난연제는 아라미드 섬유의 방염성을 향상시켜 주기 위한 것으로 (주)켐피아의 제조상품‘FR-1’을 사용하였으며, 내광증진제는 내광성(일광견뢰도)을 향상시켜 일광(자외, 가시광선) 노출로 인한 프린팅 잉크의 열화 혹은 변색·퇴색을 방지하여 주기 위한 것으로 니카 코리아(주)의 제조상품‘LP-220’을 사용하였다.Phosphorus-based flame retardant constituting the composition for the pre-treatment processing was used to improve the flame retardancy of aramid fibers, and manufactured product 'FR-1' manufactured by Kempia Co., Ltd., and the light enhancer improved light resistance (daylight fastness), so that sunlight ( To prevent deterioration or discoloration or fading of the printing ink due to exposure to ultraviolet light, visible light), Nika Korea's manufactured product 'LP-220' was used.
본 발명에서는 픽업(pick-up)율을 80 ~ 90%로 맞춘 패딩 망글(padding mangle - Mathis, 2-roll padder, HVF Type)에 메타계 아라미드 섬유를 투입하여 2 ~ 2.3kgf/㎠의 압력 및 2m/min의 스퀴징(squeezing) 조건으로 상기 전처리 가공용 조성물을 패딩 가공함으로써 메타계 아라미드 섬유에 전처리 가공용 조성물이 함침되도록 한다.In the present invention, a meta-aramid fiber is introduced into a padding mangle (Mathis, 2-roll padder, HVF Type) with a pick-up ratio of 80 to 90%, and a pressure of 2 to 2.3 kgf / cm 2 and The composition for pre-treatment processing is impregnated into the meta-aramid fiber by padding the composition for pre-treatment processing with a squeezing condition of 2 m / min.
상기와 같은 패딩처리 조건은 실험실에서의 테스트 조건으로서, 현장 생산시에는 통상적인 패딩 작업조건에서 행해질 수 있고, 망글 압력이나 온도, 속도 등은 환경에 따라서 탄력적으로 적용할 수 있다.The padding treatment conditions as described above are test conditions in the laboratory, and can be performed under normal padding working conditions during field production, and mangle pressure, temperature, speed, etc. can be flexibly applied depending on the environment.
전처리 가공용 조성물을 조성할 시에 아크릴계 수지를 10kg 이하로 투입할 경우에는 프린트되는 이미지의 발색성이 떨어지고 30kg 이상으로 투입할 경우에는 원단의 질감이 지나치게 딱딱해질 뿐만 아니라 원료물질의 증가에 따른 비용의 상승문제를 야기하게 되고, 인계 난연제를 5kg 이하로 투입할 경우에는 난연성이 떨어지고 20kg 이상으로 투입할 경우에는 난연성의 향상은 당연하나 원료물질의 증가에 따른 비용의 상승문제를 야기하게 되며, 내광증진제를 1kg 이하로 할 경우에는 일광견뢰도가 떨어지고 10kg 이상으로 할 경우에는 일광견뢰도의 향상은 당연하나 원료물질의 증가에 따른 비용의 상승문제를 야기하게 되기 때문이다.When preparing a composition for pretreatment processing, when the acrylic resin is added at 10 kg or less, the color development of the printed image is poor. When the composition is added at 30 kg or more, the texture of the fabric becomes too hard and the cost of the raw material is increased. It causes problems, and when the phosphorus-based flame retardant is added at less than 5 kg, the flame retardancy is deteriorated, and when it is added at 20 kg or more, the flame retardancy is obvious, but the cost increases due to the increase in the raw material, which causes the problem of light resistance enhancer. This is because, when it is 1 kg or less, the light fastness decreases, and when it is 10 kg or more, it is natural to improve the light fastness, but it causes a problem of cost increase due to an increase in raw materials.
자체적으로 테스트한 바에 의하면, 아크릴계 수지를 20kg로 하였을 때 인계 난연제를 20kg, 내광증진제를 5kg, 유연제를 5kg, 물을 100kg의 중량비율로 배합하였을 때 최적의 효율을 얻을 수 있었다.According to the self-test, when the acrylic resin was 20 kg, the optimum efficiency was obtained when the phosphorus-based flame retardant was blended at a weight ratio of 20 kg, a light enhancer 5 kg, a softener 5 kg, and water 100 kg.
< 건조 가공공정 ><Dry Processing Process>
본 공정은 전처리 가공용 조성물에 대한 열고정 및 건조를 위한 공정으로서, 전처리 가공용 조성물이 함침된 메타계 아라미드 섬유를 텐터(Tenter)기에 투입하여 130 ~ 200℃의 온도로 1분 30초간 건조 가공함으로써 전처리 가공용 조성물에 대한 열고정(고착) 및 건조가 이루어지도록 한다.This process is a process for heat setting and drying for the composition for pre-treatment processing, and pre-treatment is performed by introducing meta-aramid fibers impregnated with the composition for pre-treatment processing into a tenter and drying it at a temperature of 130 to 200 ° C for 1 minute 30 seconds. It is to be heat-set (fixed) and dried for the composition for processing.
상기와 같은 공정을 통해 아크릴계 수지를 기반으로 하는 전처리 가공용 조성물이 도포된 메타계 아라미드 섬유를 구현할 수 있었으며, 전사프린터를 이용해 아래 표 1과 같은 전사조건으로 전처리 가공용 조성물이 도포된 메타계 아라미드 섬유 시편에 프린팅 작업을 실시하여 도 2와 같은 이미지의 출력물을 구하였다.Through the above process, it was possible to implement meta-aramid fibers coated with an acrylic resin-based composition for pre-treatment processing, and a meta-aramid fiber specimen coated with a composition for pre-treatment processing as shown in Table 1 below using a transfer printer. The printing operation was performed to obtain an image output as shown in FIG. 2.
본 발명에 의해 전처리 가공된 메타계 아라미드 섬유 시편에 프린팅된 이미지에 대하여 CCM(Computer Color Matching system)을 통한 표면 반사율을 측정한 후 Kubelka-Munk 식에 의거하여 K/S values로 표시하면, Cyan(620nm)은‘5.149776141’로 나타났고, Magenta(520nm)는‘6.958679231’로 나타났으며, Yellow(400nm)은‘6.887869202’로 나타났고, Black(490nm)은‘6.804575125’로 나타났다.After measuring the surface reflectance through a Computer Color Matching System (CCM) for an image printed on a meta-based aramid fiber specimen pre-processed by the present invention and displaying it as K / S values based on the Kubelka-Munk equation, Cyan ( 620nm) was shown as '5.149776141', Magenta (520nm) was shown as '6.958679231', Yellow (400nm) was shown as '6.887869202', and Black (490nm) was shown as '6.804575125'.
본 발명과의 대비를 위해 유리전이온도(Tg)를 달리하는 8종의 아크릴계 수지를 선택하고, 각 아크릴계 수지에 인계 난연제(FR-1), 내광증진제, 유연제, 물을 본 발명과 같은 비율로 배합한 후 균질기(Homogenizer)를 사용하여 1,000 ~ 1,500 rpm의 속도로 균질 혼합하여 8종의 조성물 비교군을 구하였다.For comparison with the present invention, 8 types of acrylic resins having different glass transition temperatures (Tg) are selected, and phosphorus flame retardant (FR-1), light enhancer, softener, and water are added to each acrylic resin in the same ratio as the present invention. After blending, a homogeneous mixture was used at a rate of 1,000 to 1,500 rpm using a homogenizer to obtain a comparison group of eight compositions.
구 분
division
아크릴계 수지
Acrylic resin
인계 난연제
(kg)
Phosphorous flame retardant
(kg)
내광증진제
(kg)
Light enhancer
(kg)
유연제
(kg)
Softener
(kg)
물
(kg)
water
(kg)
20
20
20
20
5
5
5
5
100
100
픽업(pick-up)율을 80 ~ 90%로 맞춘 패딩 망글(padding mangle - Mathis, 2-roll padder, HVF Type)에 메타계 아라미드 섬유를 투입하여 2 ~ 2.3kgf/㎠의 압력 및 2m/min의 스퀴징(squeezing) 조건으로 상기 각 조성물 비교군을 패딩 가공하고, 130 ~ 200℃의 온도로 1분 30초간 건조 가공하는 과정을 통해 비교 시편1 내지 8을 구하였으며, 표 1과 같은 전사조건으로 각 비교 시편에 프린팅 작업을 실시하여 도 3과 같은 이미지의 출력물을 구하였다.Meta-aramid fibers were added to a padding mangle (Mathis, 2-roll padder, HVF Type) with a pick-up ratio of 80 to 90%, and a pressure of 2 to 2.3 kgf / cm 2 and 2 m / min Comparative specimens 1 to 8 were obtained through the process of padding the comparison groups of each composition under the squeezing conditions of the mixture and drying the mixture for 1 minute and 30 seconds at a temperature of 130 to 200 ° C, and the transfer conditions as shown in Table 1 As a result, a print operation was performed on each comparative specimen to obtain an output of the image shown in FIG.
다이텍연구원에 의뢰하여 각 비교 시편에 프린팅된 이미지에 대하여 CCM(Computer Color Matching system)을 통한 표면 반사율을 측정한 후 Kubelka-Munk 식에 의거하여 K/S values로 표시한 결과는 하기의 표 3과 같이 나타났다.After requesting the Dytek Research Institute to measure the surface reflectance through a computer color matching system (CCM) for images printed on each comparative specimen, the results displayed in K / S values based on the Kubelka-Munk formula are shown in Table 3 below. Appeared as
구 분
division
(620nm)Cyan
(620nm)
(520nm)Magenta
(520nm)
(400nm)Yellow
(400nm)
(490nm)Black
(490nm)
본 발명에 따른 가공방법으로 전처리 가공된 메타계 아라미드 섬유에 프린팅된 이미지의 K/S Values가 Cyan(620nm)은‘5.149776141’, Magenta(520nm)는‘6.958679231’, Yellow(400nm)은‘6.887869202’, Black(490nm)은‘6.804575125’로 나타났음에 비하여 비교 시편1 내지 8의 K/S values는 떨어지는 것을 확인할 수 있다.K / S Values of images printed on meta-aramid fibers pre-processed by the processing method according to the present invention are '5.149776141' for Cyan (620 nm), '6.958679231' for Magenta (520 nm), '6.887869202' for Yellow (400 nm). , Black (490nm) is '6.804575125' compared to that of the comparison specimens 1 to 8 can be seen that the K / S values are falling.
그리고, 유리전이온도(Tg) 30℃의 아크릴계 수지를 기반으로 하는 조성물을 패딩처리한 비교 시편7은 각 색상에 대한 K/S Values가 평균값보다 우수하게 나타난 것에 착안하여 유리전이온도(Tg)가 35℃와 55℃인 아크릴계 수지를 기반으로 하는 조성물을 메타계 아라미드 섬유에 패딩처리하여 CCM(Computer Color Matching system)을 통한 표면 반사율을 측정한 결과 K/S Values가 양호하게 나타났는바, ㅈ전처리 가공용 조성물을 구성하는 아크릴계 수지는 35℃ ~ 55℃ 범위의 유리전이온도(Tg)를 가지는 것으로 선택함이 바람직하다 할 것이다.And, the glass transition temperature (Tg) of Comparative Example 7 padded composition based on an acrylic resin having a temperature of 30 ° C, considering that the K / S Values for each color were better than the average value, the glass transition temperature (Tg) was As a result of measuring the surface reflectivity through CCM (Computer Color Matching System) by padding the composition based on acrylic resin of 35 ℃ and 55 ℃ on meta-aramid fiber, K / S Values appeared to be good. It will be preferable that the acrylic resin constituting the composition for processing has a glass transition temperature (Tg) in the range of 35 ° C to 55 ° C.
전처리 조성물의 기능은 프린팅 이미지의 높은 발색력과 동시에 높은 첨예성(선명도)을 나타내는 것이 요구되므로 전처리 조제의 성능 테스트의 하나로 첨예성 테스트를 진행하였으며, 본 발명의 시편과 비교 시편 8종에 대한 첨예성 평가는 전처리 가공이 이루어진 메타계 아라미드 원단에 경사 및 위사 방향으로 0.3 mm 두께의 선 이미지(각 40%의 C,M,Y,K 혼합색)를 프린팅하고 공구현미경(Mitsutoyo, TM510)과 자동영상분석장치(EZ Capture)를 사용하여 실제 직물상에 프린팅된 선의 두께를 3회 측정한 후 평균값을 도출하여 첨예도(번짐율)를 분석하였다.Since the function of the pretreatment composition is required to exhibit high sharpness (sharpness) at the same time as the high color development power of the printed image, a sharpness test was performed as one of the performance tests of the pretreatment aid, and the sharpness of the specimens of the present invention and eight comparative specimens For evaluation, a 0.3 mm thick line image (mixed color of C, M, Y, and K of 40% each) was printed on the meta-aramid fabric with pre-processing in an oblique and weft direction, and a tool microscope (Mitsutoyo, TM510) and automatic image analysis were performed. The thickness of the line printed on the actual fabric was measured three times using an apparatus (EZ Capture), and then the average value was derived to analyze the sharpness (smear rate).
첨예도(%)는 아래와 같은 공식을 이용하여 계산하였으며, 테스트 결과는 하기의 표 4와 같이 나타났다.The sharpness (%) was calculated using the following formula, and the test results are shown in Table 4 below.
Specimen of the invention
Comparative Psalm 1
Comparative Psalm 2
Comparative Psalm 3
Comparative Psalm 4
Comparative Psalm 5
Comparative Psalm 6
Comparative Psalm 7
Comparative Psalm 8
테스트 결과에 의하면, 경사의 경우 비교 시편3의 첨예도가 1위이고 본 발명에 따른 시편의 첨예도가 2위로 나타났으며, 위사의 경우 본 발명에 따른 시편의 첨예도가 1위이고 비교 시편3의 첨예도가 2위로 나타났다.According to the test results, in the case of warp, the sharpness of the comparative specimen 3 was 1st, and the sharpness of the specimen according to the present invention was 2nd, and in the case of weft, the sharpness of the specimen according to the present invention was 1st and the comparative specimen The sharpness of 3 was second.
첨예도 테스트와 전술한 발색도 테스트 등 종합적으로 고려할 때 전처리 가공용 조성물은 유리전이온도(Tg)가 35 ~ 55℃인 아크릴계 수지를 10 ~ 30kg로 하였을 때 인계 난연제를 5 ~ 20kg, 내광증진제를 1 ~ 10kg, 유연제를 1 ~ 10kg, 물을 100kg의 중량비율로 배합한 후 고르게 교반함으로써 최적의 전처리 가공용 조성물을 구현할 수 있다.When considering comprehensively such as the sharpness test and the color development test described above, the composition for pre-treatment processing is 5 to 20 kg of phosphorus-based flame retardant and light resistance enhancer when the acrylic resin having a glass transition temperature (Tg) of 35 to 55 ° C is 10 to 30 kg. ~ 10kg, 1 ~ 10kg of a softener, 100kg of water at a weight ratio of 100% and then evenly stirred to achieve the optimum composition for pretreatment processing.
본 발명에 의하면, 메타계 아라미드 섬유에 전처리 가공용 조성물을 함침시킨 후에 건조하는 원스텝의 공정에 의해 높은 발색도 및 첨예도의 이미지를 프린팅할 수 있는 메타계 아라미드 섬유를 가공할 수 있어 공정을 단순화하고 원료물질을 절약하므로 생산원가를 절감할 수 있는 것이다.According to the present invention, the meta-aramid fiber is impregnated with a composition for pre-processing, and then dried by a one-step process to process meta-aramid fibers capable of printing high color and sharpness images, simplifying the process. By saving raw materials, it is possible to reduce production costs.
Claims (2)
전처리 가공용 조성물이 함침된 메타계 아라미드 섬유를 130 ~ 200℃의 온도로 1분 30초간 건조하여 전처리 가공용 조성물에 대한 열고정 및 건조가 이루어지도록 하는 건조 가공단계로 이루어지는 것을 특징으로 하는 메타계 아라미드 섬유의 디지털 텍스타일 프린팅을 위한 전처리 가공방법.
When the acrylic resin having a glass transition temperature (Tg) of 45 ° C. is 20 kg, a phosphorus-based flame retardant is added in a weight ratio of 20 kg, a light enhancer in 5 kg, a softener in 5 kg, and water in a weight ratio of 100 kg. , Meta-aramid fiber was introduced into a padding mangle with a pick-up ratio of 80 to 90%, and the pressure was 2 to 2.3 kgf / cm 2 and 2 m / min squeezing. A processing step of impregnating the meta-aramid fiber with a composition for pre-treatment by padding the composition for pre-treatment,
Meta-aramid fiber characterized in that it consists of a dry processing step to dry the meta-aramid fiber impregnated with the composition for pretreatment processing at a temperature of 130 to 200 ° C. for 1 minute and 30 seconds to heat and dry the composition for the pretreatment processing. Pre-processing method for digital textile printing.
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| KR100678432B1 (en) | 2005-12-12 | 2007-02-02 | 김광일 | Fabric and Immersion Agent for Digital Printing Machine |
| JP2009197386A (en) | 2006-09-28 | 2009-09-03 | Hiroshi Miyamoto | Method for processing fiber material |
| KR101238221B1 (en) * | 2012-07-04 | 2013-03-04 | 김덕용 | Digital printing machine output fabric using water dispersible polymer resin |
| JP2014152415A (en) * | 2013-02-08 | 2014-08-25 | Matsumoto Yushi Seiyaku Co Ltd | Flame-retardant processing agent for fiber, method of producing flame-retardant fiber and flame-retardant fiber |
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| KR100678432B1 (en) | 2005-12-12 | 2007-02-02 | 김광일 | Fabric and Immersion Agent for Digital Printing Machine |
| JP2009197386A (en) | 2006-09-28 | 2009-09-03 | Hiroshi Miyamoto | Method for processing fiber material |
| KR101238221B1 (en) * | 2012-07-04 | 2013-03-04 | 김덕용 | Digital printing machine output fabric using water dispersible polymer resin |
| JP2014152415A (en) * | 2013-02-08 | 2014-08-25 | Matsumoto Yushi Seiyaku Co Ltd | Flame-retardant processing agent for fiber, method of producing flame-retardant fiber and flame-retardant fiber |
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