KR100213477B1 - Method for producing waterproof cloths - Google Patents
Method for producing waterproof cloths Download PDFInfo
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- KR100213477B1 KR100213477B1 KR1019950005452A KR19950005452A KR100213477B1 KR 100213477 B1 KR100213477 B1 KR 100213477B1 KR 1019950005452 A KR1019950005452 A KR 1019950005452A KR 19950005452 A KR19950005452 A KR 19950005452A KR 100213477 B1 KR100213477 B1 KR 100213477B1
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- Prior art keywords
- coating
- mesh
- moisture
- undercoating
- forge
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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
- D06M15/564—Polyureas, polyurethanes or other polymers having ureide or urethane links; Precondensation products forming them
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B1/00—Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating
- D06B1/10—Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating by contact with a member carrying the treating material
- D06B1/14—Applying liquids, gases or vapours onto textile materials to effect treatment, e.g. washing, dyeing, bleaching, sizing or impregnating by contact with a member carrying the treating material with a roller
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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
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/77—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with silicon or compounds thereof
- D06M11/79—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with silicon or compounds thereof with silicon dioxide, silicic acids or their salts
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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
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/02—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with hydrocarbons
- D06M13/03—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with hydrocarbons with unsaturated hydrocarbons, e.g. alkenes, or alkynes
- D06M13/07—Aromatic hydrocarbons
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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
- D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
- D06M2200/10—Repellency against liquids
- D06M2200/12—Hydrophobic properties
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Laminated Bodies (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
포지에 언더코팅(Under Coating), 톱 코팅(Top Coating)을 순차적으로 행하여 제조하는 투습 방수포의 제조방법에 있어서, 언더코팅전에 포지를 물과 메칠알콜의 혼합 용매에 침지한후 메쉬로울러를 사용하여 전사 도트 코팅방식으로 언더 코팅을 행하는 것을 특징으로 하는 것이다.In the method of manufacturing a moisture-permeable waterproof fabric which is manufactured by sequentially performing under coating and top coating on a paper, using a mesh roller after immersing the paper in a mixed solvent of water and methyl alcohol before undercoating. Under coating is performed by a transfer dot coating method.
Description
제1도는 종래의 투습방수포.1 is a conventional moisture-proof waterproof fabric.
제2도는 본 발명으로 제조된 투습방수포.2 is a moisture-permeable waterproof fabric prepared by the present invention.
제3도는 전사 도트 코더(dot coater)의 개략도.3 is a schematic diagram of a transfer dot coater.
* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings
1, 2 : 가이드로울러 3: 평로울러1, 2: guide roller 3: roller
4 : 메쉬로울러 5 : 언더코팅액4: mesh roller 5: undercoating liquid
6 : 나이프 7 : 건조기6: knife 7: dryer
10 : 도트코더 F : 포지10: dot coder F: forge
본 발명은 투습 방수포의 제조방법에 관한 것으로, 더욱 상세히는 포지와 코팅층을 부분 접착시켜 공간이 존재하도록 함으로써 투습도와 박리강도를 증가시키면서도 소프트(soft)한 촉감을 가지도록 하는 투습 방수포의 제조방법에 관한 것이다.The present invention relates to a method of manufacturing a moisture-permeable tarpaulin, and more particularly, to a method of manufacturing a moisture-permeable tarpaulin to have a soft touch while increasing the moisture permeability and peel strength by partially bonding the forge and the coating layer. It is about.
종래의 투습 방수포는 습식투습 방수포의 박리강도의 저하를 방지하고 투습도의 증진을 목적으로 하여 언더코팅(Under Coating)을 하고 그 위에 톱코팅(Top Coating)을 실시하는 방법을 사용하였다.The conventional moisture-permeable tarpaulin was used for the purpose of preventing the lowering of the peeling strength of the moisture-permeable tarpaulin and improving the moisture-permeable under coating and performing the top coating thereon.
즉, 폴리우레탄(polyurethane)수지오 폴리우레탄 2액형 접착제에 적당량의 실리카겔(Silicagel)을 첨가하고 디메틸 포름 아미드(Dimethyl Formamide)로 희석시킨 다음 플로팅 나이프(Floating knife)를 사용하여 나일론, 폴리에스테르, P/C(폴리에사테르/면)등의 포지위에 언더코팅한 뒤 건조 및 경화시키고 이와 같은 포지의 접착층 위에 미세기공피막 조성물로서 폴리우레탄 중합체의 고형분 8-30%(이하 %는 중량 %임), 실리카겔 0.1-1%, 비이온 계면 활성제 0.1-5% 그리고 겨오하제로 폴리이소시아네이트가 0.2-5% 함유된 극성유기용제를 톱코팅하여, 3-15% 디메틸 포름 아미드 수용액에서 습식 응고시켜서 미세가공을 형성시킨 다음, 알칼리 수용액중에서 극성 유기용제를 추출하고 실리카겔을 용출시킨 후 건조하여, 발수처리하는 방법으로 투습성, 방수성을 동시에 보유한 투습 방수포를 제조하여 왔다.That is, an appropriate amount of silica gel is added to the polyurethane resin two-component adhesive, diluted with dimethyl formamide, and then a nylon, polyester, or P using a floating knife. 8-30% solids of polyurethane polymer (hereinafter,% is% by weight) as a microporous coating composition on the adhesive layer of such a forge after undercoating on a forge such as / C (polyether / cotton). Microcoating by wet coating in a 3-15% aqueous dimethyl formamide solution, topcoating a polar organic solvent containing 0.1-1% of silica gel, 0.1-5% of nonionic surfactant, and 0.2-5% of polyisocyanate as a primer After forming a polar organic solvent in an aqueous alkali solution, eluting the silica gel and drying it, the water-repellent treatment of water permeability and waterproof at the same time by the method of water repellent treatment Tarp has been manufactured.
그러나 이러한 제조방법중에서 언더코팅공정은 플로팅 나이프를 사용하여 포지에 전면 도포함으로 인하여 포지에 압력이 가해져 코팅액이 원단의 경, 위사 틈사이로 침투되어 투습방수포의 투습도가 현저히 저하될 뿐만 아니라 전체적 촉감을 떨어뜨리는 중요한 요인이 되는 것이었고, 또한 언더 코팅액 성분중 폴리우레탄 2액형 접착제는 일반 폴리우레탄 수지와 비교하여 모듈러스(Modulus)가 높고 경화성이 커서 이또한 투습 방수포의 촉감을 저해하는 요인이 되는 문제점이 있었다.However, the undercoating process in this manufacturing method is applied to the forge by using a floating knife to apply pressure to the forge, and the coating liquid penetrates into the gap between the diameter and weft of the fabric. In addition, the two-component polyurethane adhesive in the undercoating solution has a high modulus and a high curability compared to the general polyurethane resin, which also inhibits the touch of the moisture-permeable tarpaulin. .
본 발명은 이와 같은 종래 기술의 문제점을 해결하기 위한 것으로, 포지와 톱코팅층을 도트(dot)상으로 부분 접착시키므로서 포지와 톱코팅 사이에 많은 공간이 존재하도록 하여 투습도와 박리강도가 뛰어나고 촉감이 부드러운 (soft) 투습 방수포의 제조방법을 특징으로 하는 것이다.The present invention is to solve the problems of the prior art, by partially bonding the forge and the top coating layer on the dot (dot) so that a lot of space exists between the forge and the top coating, excellent moisture permeability and peel strength and feel It is characterized by the manufacturing method of soft breathable tarpaulin.
이하 본 제조방법을 상세히 설명하면 다음과 같다.Hereinafter, the manufacturing method will be described in detail.
본 발명은 먼저 코팅 전처리 공정으로 나일론, 폴리에스테르, P/C등 직물을 통상의 방법으로 정련, 염색, 수세, 건조하여 발수 처리되지 않는 원단을 물과 메틸알콜을 1 : 1로 혼합한 용액속에 침지하여 톱코팅(Top Coating)시에 코팅액이 원단 이면으로 베어나오지 않게 처리한다.The present invention is a coating pre-treatment process in the fabric, such as nylon, polyester, P / C, scouring, dyeing, washing and drying in a conventional manner in a water-repellent fabric in a solution of water and methyl alcohol in a 1: 1 mixture When top coating is immersed, the coating solution should not be cut off to the back of fabric.
이후 폴리우레탄 수지 65.15 중량%(이하 %는 중량%임), 실리카겔 1.95%, 경화제 0.33%, 톨루엔 32.57%의 조성비로 혼합된 점도 50-150poise의 언더코팅액을 메쉬 사이즈(Mesh size) 10(inch2당 dot 10 x 10개) - 150 크기의 메쉬로울러를 사용하여 전사 도트 코팅 방법으로 언더 코팅을 하는 것이다.Then, the undercoating solution of viscosity 50-150poise was mixed at a composition ratio of 65.15% by weight of polyurethane resin (hereinafter,% is% by weight), 1.95% of silica gel, 0.33% of hardener, and 32.57% of toluene, and then mesh size 10 (inch 2). 10 x 10 dots per dot)-150 mesh mesh rollers are used for undercoating using a transfer dot coating method.
본 발명에서 전사 도트 코팅시 메쉬로울러가 10메쉬 미만이면 코팅액의 접착력이 약해지는 문제가 발생하고, 150메쉬를 초과하면 언더코팅이 종래의 풀로팅 나이프 코팅과 유사하게 되어 종래의 문제점이 재현 될 수 있다.In the present invention, when the mesh roller is less than 10 mesh when the transfer dot coating, there is a problem in that the adhesion of the coating liquid is weakened. When the transfer rate exceeds 150 mesh, the undercoating becomes similar to the conventional full loting knife coating, so that the conventional problem may be reproduced. have.
첨부도면 제3도는 본 발명에 관한 전사 도트 코터(dot coater)를 개략적으로 나타낸 도면으로서 도면중 부호 10은 전사 도트코터를 표시하고 있다.FIG. 3 is a diagram schematically showing a transfer dot coater according to the present invention, in which reference numeral 10 denotes a transfer dot coater.
상기 전사 도트코터(10)는 포지(F)가 접촉 안내되는 가이드 로울러(1,2)와 포지(F)가 진행하는 방향으로 별도의 구동장치에 의해 구동되는 평로울러(3)와 건조기(7)가 설치 구비되어 있다.The transfer dot coater 10 is a roller (3) and a dryer (7) driven by a separate driving device in the direction in which the guide rollers (1, 2) and the forge (F) to which the forge F is contacted and guided ) Is installed.
한편 상기 평로울러(3)의 직하부에 설치된 메쉬로울러(4)는 별도의 구동장치에 의해 구동되면서 평로울러(3)와접면 회전 구동 되도록 구비 되고, 언더코팅액(5)이 저장된 용기내의 언더코팅액(5)에 일부가 잠긴 상태로 설치된다.On the other hand, the mesh roller (4) installed directly below the roller (3) is provided to be driven by a separate driving device to rotate in contact with the roller (3), the undercoating liquid in the container in which the undercoating liquid (5) is stored. Part (5) is installed in a locked state.
또한 상기 메쉬로울러(4)의 측면에는 언더코팅액(5)을 메쉬로울러(4)에 균일하게 도포되도록 하는 나이프(6)가 구비되어 있는 것이다.In addition, the side of the mesh roller (4) is provided with a knife (6) to uniformly apply the undercoating solution (5) to the mesh roller (4).
이와같이 구성된 전사도트코터(10)는 회전 구동 되는 메쉬로울러(4)상의 언더코팅액(5)을 나이프(6)로 균이랗게 도포하여 평로울러(3)오 메쉬로울러(4)사이를 통과하는 포지(F)상에 언더코팅액(5)을 도트(dot)형태로 접착시키고 이후 건조기(7)에서 대략 140℃에서 30초간 건조시켜 언더코팅을 실시하게 되는 것이다.The transfer dot coater 10 configured as described above is uniformly coated with the knife 6 with the undercoating solution 5 on the mesh roller 4 which is rotationally driven, and the forge passing between the rollers 3 and the mesh rollers 4. The undercoating solution (5) on (F) in the form of a dot (dot) and then to the undercoat by drying for about 30 seconds at approximately 140 ℃ in the dryer (7).
이어서 포지상의 도트상면에 폴리우레탄, 디메틸 포르아미드(DMF), 안료, 계면활성제, 물, 실리카겔, 경화제, 발수제, 황변방지제로 조성되는 톱코팅액을 코팅하여 디메틸포름아미드(DMF) 수용액에서 습식응고시켜서 미세가공을 형성시킨 다음 알칼리 수용액에거 극성유기 용제를 추출하고 실리카겔을 용출시킨 후 건조하여 발수처리 하는 방법으로 투습 방수포를 제조 하는 것이다.Then, the top coating liquid composed of polyurethane, dimethyl formamide (DMF), pigment, surfactant, water, silica gel, curing agent, water repellent, and yellowing agent was coated on the forge-shaped dot surface, and wet-coagulated in dimethylformamide (DMF) aqueous solution. After forming the micro-processing and extracting the polar organic solvent in an aqueous alkali solution, eluting silica gel, and then dried to prepare a moisture-permeable tarpaulin by water repellent treatment.
본 발명에서 톱 코팅(Top Coating)은 종래의 일반적인 습식 투습방수포 제조공정에 따라 실시하는 것이므로 톱 코팅액의 조성비등을 생략하였음을 밝혀 두고자 한다.In the present invention, the top coating (Top Coating) is to be carried out in accordance with the conventional manufacturing method of the conventional wet-permeable waterproof fabric, so that the composition ratio of the top coating liquid is omitted.
본 발명에 의하여 제조된 투습 방수포는 포지와 코팅층이 도트(dot) 로 접착되어 있어 응력 집중화가 방지 되므로 종래의 투습 방수포에 비하여 박리강도가 증가(300g/cm→1.0kg/cm)되고 또한 공간이 많이 존재하므로서 투습도가 증가(5,000g/m2·day) 할 뿐만아니라 도트(dot)상으로 부분접착 되므로 약제가 적게 소요되어 원가면에서도 경제적인 효과가 있으며, 기포와 톱코팅층간의 밀착 부위의 감소호 한층 부드러운 가지는 것이다.The moisture-permeable tarpaulin manufactured by the present invention has a bond between the forge and the coating layer to prevent stress concentration, so that the peeling strength is increased (300 g / cm → 1.0 kg / cm) and the space is larger than that of the conventional moisture-permeable tarpaulin. As there exists a lot of water, the moisture permeability increases (5,000g / m2 · day) as well as the partial adhesion on the dot, so it requires less chemicals and it is economical in terms of cost, and it reduces the adhesion between the bubble and the top coating layer. It is a softer thing.
이하 본 발명을 실시예와 비교예를 설명하면 다음과 같다.Hereinafter, the present invention will be described with reference to Examples and Comparative Examples.
[실시예 1]Example 1
Nylon75데니어 24필라멘드 가연사를 경사 114본/inch, 위사 73본/inch Taslan 직물을 제직한다. 이 직물을 통상의 방법으로 정련, 염색, 수세, 건조하여 열고정시킨다음 cire가공(160℃ x 75kg·f로 편면 카렌더링)후 물과 메틸알콜을 1:1로 혼합한 용액속에 침지한다.Weaving nylon 75 denier 24 filament twisted yarns with 114 slits / inch and 73 wefts / inch Taslan fabric. The fabric is squeezed, dyed, washed, dried and heat-set in a conventional manner, followed by cire processing (single-sided calendering at 160 ° C x 75 kg · f), and then immersed in a 1: 1 mixture of water and methyl alcohol.
그후 폴리우레탄 수지 65.15 wt%, 실리카겔 1.95wt5, 경화제 0.33wt%, 톨루엔 32.57 wt%로 조성된 점도 70poise이 약제를 사용하여 메쉬 사이즈 20메쉬로 하여 전사 트 코팅(dot coating) 방식으로 언더 코팅(under coating)하고 폴리우레탄 54.8 wt%, 디메틸 포름아미드(DMF) 30.1wt%, 안료(백색) 8.2wt%, 계면활성제 1.6wt5, 물 1.6wt%, 실리카겔 0.9wt%, 경화제 1.1wt%, 발수제 1.6wt%, 황변 방지제 0.1wt%로 조성된 톱 코팅(top coating)액을 섬유포지상에 코팅하여 3~15% 디메틸포름아미드(DMF0 수용액에서 습식응고시켜서 미세가공을 형성시킨 다음 알칼리 수용액중에서 극성유기용제를 추출하고 실리카겔을 용출시킨후 건조하여 발수처리 하므로서 투습 방수포를 제조하였다.Then, the viscosity 70poise composed of 65.15 wt% of polyurethane resin, 1.95 wt5 of silica gel, 0.33 wt% of hardener, and 32.57 wt% of toluene was used to make a mesh size of 20 mesh using an undercoat by transfer coating. coating), polyurethane 54.8 wt%, dimethyl formamide (DMF) 30.1 wt%, pigment (white) 8.2 wt%, surfactant 1.6wt5, water 1.6wt%, silica gel 0.9wt%, curing agent 1.1wt%, water repellent 1.6wt %, Yellow coating agent (top coating) composed of 0.1 wt% of the coating on the fiber cloth to form 3-15% dimethylformamide (wet coagulation in DMF0 aqueous solution to form a fine processing, and then polar organic solvent in alkaline aqueous solution. Extraction and elution of the silica gel was dried to prepare a moisture-permeable tarp by drying water repellent.
이렇게 하여 제조한 포지의 물성을 측정, 표에 나타내었다.Thus, the physical properties of the produced paper were measured and shown in the table.
[실시예 2]Example 2
전사 도트 코팅시 140메쉬(mesh)의 것을 사용한 외에는 실시예1과 동일한 방법으로 실시하였다.The transfer dot coating was carried out in the same manner as in Example 1 except for using a mesh of 140 mesh (mesh).
이렇게 하여 제조한 포지의 물성을 측정, 표에 나타내었다.Thus, the physical properties of the produced paper were measured and shown in the table.
[비교예 1]Comparative Example 1
전사 도트 코팅시 160메쉬(mesh)의 것을 사용한 외에는 실시예1과 동일한 방법으로 실시하였다.The transfer dot coating was carried out in the same manner as in Example 1 except for using a mesh of 160 mesh (mesh).
이렇게 하여 제조한 포지의 물성을 측정, 표에 나타내었다.Thus, the physical properties of the produced paper were measured and shown in the table.
[비교예 2]Comparative Example 2
실시예 1과 동일한 방법으로 행하되 언더코팅의 약제로서 건식폴리우레탄 수지 45.8wt%, 2액형접착제 20.3wt5, 실리카겔 2.5wt%, 톨루엔 20.3wt%, 을 10.2wt%, Cross linking 제 (RF액) 0.9wt%으로 조성된 액을 플로팅 나이프(floating knife)방식으로 언더코팅(under coating)을 실시하였다.In the same manner as in Example 1, but as a drug for undercoating, 45.8 wt% of a dry polyurethane resin, 20.3 wt 5 of a two-component adhesive, 2.5 wt% of silica gel, 20.3 wt% of toluene, 10.2 wt% of a cross linking agent (RF solution) 0.9 The liquid formed in wt% was undercoated by a floating knife method.
이렇게 하여 제조한 포지의 물성을 측정, 표에 나타내었다.Thus, the physical properties of the produced paper were measured and shown in the table.
※측정방법 : 。 투습도 : JIS L 1099※ Measuring method:。 Water vapor permeability: JIS L 1099
。 내수압 : JIS L 1096。 Water pressure resistance: JIS L 1096
。 박리강도 : KSK 0533。 Peel strength: KSK 0533
。 강연도 : KSK 0539。 Lecture degree: KSK 0539
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| Application Number | Priority Date | Filing Date | Title |
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| KR1019950005452A KR100213477B1 (en) | 1995-03-16 | 1995-03-16 | Method for producing waterproof cloths |
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| KR1019950005452A KR100213477B1 (en) | 1995-03-16 | 1995-03-16 | Method for producing waterproof cloths |
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| KR960034569A KR960034569A (en) | 1996-10-24 |
| KR100213477B1 true KR100213477B1 (en) | 1999-08-02 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR20010076027A (en) * | 2000-01-24 | 2001-08-11 | 롤프 에취, 켈러, 카즈노리 이마무라 | Manufacturing Method of Breathable Fabric Using Dot Printing |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| KR20010076027A (en) * | 2000-01-24 | 2001-08-11 | 롤프 에취, 켈러, 카즈노리 이마무라 | Manufacturing Method of Breathable Fabric Using Dot Printing |
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| KR960034569A (en) | 1996-10-24 |
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