KR101390689B1 - Fabric with thermo barrier coating - Google Patents
Fabric with thermo barrier coating Download PDFInfo
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- KR101390689B1 KR101390689B1 KR1020120025087A KR20120025087A KR101390689B1 KR 101390689 B1 KR101390689 B1 KR 101390689B1 KR 1020120025087 A KR1020120025087 A KR 1020120025087A KR 20120025087 A KR20120025087 A KR 20120025087A KR 101390689 B1 KR101390689 B1 KR 101390689B1
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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
- D06M11/32—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 oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
- D06M11/36—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 oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with oxides, hydroxides or mixed oxides; with salts derived from anions with an amphoteric element-oxygen bond
- D06M11/48—Oxides or hydroxides of chromium, molybdenum or tungsten; Chromates; Dichromates; Molybdates; Tungstates
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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
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M23/00—Treatment of fibres, threads, yarns, fabrics or fibrous goods made from such materials, characterised by the process
- D06M23/08—Processes in which the treating agent is applied in powder or granular form
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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
- D06M2200/30—Flame or heat resistance, fire retardancy properties
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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
- D10B2401/00—Physical properties
- D10B2401/04—Heat-responsive characteristics
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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
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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
- D10B2505/00—Industrial
- D10B2505/18—Outdoor fabrics, e.g. tents, tarpaulins
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Laminated Bodies (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Abstract
본 발명은 열차단 특성을 갖는 코팅층이 형성된 직물지에 관한 것으로, 직물지 원단의 표면에 열차단 특성을 지닌 나노입자의 금속산화물이 폴리우레탄 수지에 분산되어 조성된 코팅층이 도포되어 높은 열차단율을 나타내는 직물지에 관한 것이다.
본 발명은 직물지의 적어도 일면에 200nm 미만의 입자 크기를 갖는 텅스텐 산화물(WO3) 나노분말과 폴리우레탄 수지로 이루어진 열차단 코팅층이 형성되되, 이때 상기 열차단 코팅층의 WO3 나노분말의 도포량은 0.5-2.5g/㎡ 의 범위인 것을 기술적 특징으로 한다.
본 발명의 열차단 직물지는 나노 입자로 이루어진 WO3 나노분말이 포함된 코팅층이 적어도 일면에 형성되어 우수한 열차단 성능을 발휘함에 따라 열차단 내지는 보온, 단열이 요구되는 텐트지나 기능성 의류의 재료로 유용하게 활용될 것으로 기대된다.The present invention relates to a fabric with a coating layer having thermal barrier properties formed thereon. The fabric is coated with a coating layer formed by dispersing nanoparticles of nanoparticles having thermal barrier properties on the surface of a fabric fabric, dispersed in a polyurethane resin, .
The present invention is characterized in that a heat shielding coating layer made of tungsten oxide (WO 3 ) nanopowder and polyurethane resin having a particle size of less than 200 nm is formed on at least one side of the fabric, wherein the coating amount of the WO 3 nano powder in the heat shielding coating layer is 0.5 -2.5 g / m < 2 >.
The heat traction sheeting of the present invention comprises WO 3 Since the coating layer containing the nano powder is formed on at least one side and exhibits excellent heat barrier performance, it is expected to be usefully used as a material for a tent or a functional garment requiring heat shielding, insulation, and insulation.
Description
본 발명은 열차단 특성을 갖는 코팅층이 형성된 직물지에 관한 것으로, 보다 자세하게는 직물지 원단의 적어도 일면에 열차단 특성을 지닌 나노입자의 금속산화물이 폴리우레탄 수지에 분산되어 조성된 코팅층이 도포되어 높은 열차단율을 나타내는 직물지에 관한 것이다. The present invention relates to a fabric having a coating layer having thermal barrier properties, and more particularly, to a fabric having a thermal barrier property formed by coating a coating layer formed by dispersing nanoparticulate metal oxide having at least one surface of a fabric material on a polyurethane resin, Quot ;, " a "
일반적으로 건물이나 자동차 등과 같이 투명 유리창을 통해 실 내,외부가 구획되는 공간에서의 열효율의 극대화 및 열전달에 의한 냉,난방 효과의 저하를 방지하기 위한 방편으로 건물의 유리창이나 자동차의 윈도우 창에 투명 또는 반투명의 열차단 필름을 코팅하거나 열차단 특성을 지닌 조성물을 도포하고 있다.Generally, it is possible to maximize the thermal efficiency in the space where the inside and outside of the room are divided through transparent glass windows such as buildings and automobiles, and to prevent deterioration of the cooling and heating effects due to heat transfer, Or a semitransparent heat shield film or a composition with heat shield properties.
이와 같이 투명창에 열차단 필름을 형성하여 건물이나 차량의 열효율 특성을 향상시키는 기술은 상당히 일반적으로 이용되고 있으나, 또 다른 열차단 특성이 요구되는 분야의 하나로 지목되고 있는 직물지에서는 일부 열차단성 기능성 직물이 보이고 있긴 하나 아직까지는 그 적용범위가 제한적이고 열차단 효과도 낮은 수준에 머물고 있는 실정이다.The technique of improving the thermal efficiency characteristics of a building or a vehicle by forming a heat short film on a transparent window is widely used. However, in a fabric that is one of the fields requiring another heat shielding characteristic, some heat- However, the application range is limited and the heat shield effect is still low.
주로 의복의 재료로 사용되는 직물지의 경우에는 보온효과를 위한 단열성 직물지가 요구되는 경우가 많은데, 이 같은 경우에는 양모나 가금류의 털을 사용하여 보온성을 높이거나 기모직물 또는 직조사의 굵기조절을 통해서 보온 또는 단열이 이루어지도록 하고 있음이 일반적이다. 그러나 상기의 종래 보온성 직물의 경우에는 직물지 자체의 무게가 증가됨과 아울러 제조비용의 상승을 피할 수 없는 문제점이 지적되고 있다.In the case of woven fabrics mainly used as garment materials, heat insulating fabrics for thermal effect are often required. In such a case, wool or poultry hair may be used to increase the warmth or control the thickness of wool or wool It is common to insulate or insulate. However, in the case of the above-mentioned conventional warmth fabric, the weight of the fabric itself increases and the manufacturing cost can not be increased.
한편, 또 다른 단열성이 요구되는 직물지로서 텐트나 그늘막 등에 사용되는 원단을 들 수 있는데, 이러한 상용되고 있는 텐트용 원단 등에서는 단열성의 확보를 위해 폴리우레탄 수지를 원단의 일면 또는 양면에 코팅한 수준으로서, 그 열차단 특성은 그리 높지 않다.On the other hand, there is a fabric used for a tent or a shade as another fabric for which heat insulation is required. In such commercially available tent fabrics, a polyurethane resin is coated on one side or both sides of a fabric , The characteristics of the thermal barrier are not so high.
종래의 단열성 직물지로서 국내 등록실용신안 제350990호에는 천연섬유나 합성섬유 등과 같은 섬유기재의 표면에 스티렌 단량체, 디메틸아미노에틸 메타크릴레이트, 2-프리피온산, 벤조일페록사이드 및 알루미나 등으로 이루어진 조성물로 코팅한 차열코팅층이 형성된 직물이 개시되고 있다. 그러나 상기 종래의 차열성 직물에서는 그 차열 효과가 그다지 높지 않은 수준에 머물고 있어서 보다 높은 차열성을 나타내면서도 경제적인 열차단 직물지의 개발이 요구되고 있는 실정이다. As a conventional heat insulating fabric, Korean Registered Utility Model No. 350990 discloses a composition comprising a styrene monomer, dimethylaminoethyl methacrylate, 2-prionic acid, benzoyl peroxide and alumina on the surface of a fiber base material such as natural fiber or synthetic fiber A heat-sensitive coating layer is formed on the surface of the substrate. However, in the conventional heat-shrinkable fabrics, the heat-shielding effect remains at a level not so high, so that development of an economical heat-resistant sheeting fabric is demanded while exhibiting higher heat resistance.
본 발명은 상기 종래 열차단 직물이 지니고 있는 문제점을 감안하여 창안된 것으로, 직물지 원단의 적어도 일면에 열차단 특성을 지닌 나노입자의 금속산화물이 폴리우레탄 수지에 분산되어 조성된 코팅층이 도포되어 높은 열차단율을 나타내는 직물지를 제공하는 데에 목적이 있다. The present invention was conceived in view of the problem of the above-mentioned conventional traction sheave fabric. The present invention is based on the discovery that a coating layer formed by dispersing nanoparticle metal oxides having thermal barrier properties dispersed in polyurethane resin on at least one side of a fabric fabric, It is an object of the present invention to provide a fabric which shows a cut-off rate.
본 발명의 상기 목적은 직물지의 적어도 일면에 텅스텐 산화물(WO3) 나노분말과 폴리우레탄 수지로 이루어진 코팅층이 형성된 열차단 직물지에 의해서 달성된다.The above object of the present invention is achieved by a heat-sensitive end fabric in which a coating layer of tungsten oxide (WO 3 ) nano powder and a polyurethane resin is formed on at least one side of the fabric.
본 발명에서 상기 열차단 코팅층의 WO3 나노분말의 도포량은 0.5-2.5g/㎡ 의 범위로 하는 것이 바람직하다. 만일, WO3 나노분말의 도포량이 0.5g/㎡ 미만으로 되는 경우에는 열차단 성능이 미미하고, 반대로 2.5g/㎡ 를 초과하게 되면 함량 증가 대비 열차단 성능 향상이 미미하여 경제성이 떨어지므로 상기의 범위가 적절하다.In the present invention, the coating amount of WO 3 nano powder in the heat shielding coating layer is preferably in the range of 0.5-2.5 g / m 2. If the application amount of WO 3 nanopowder is less than 0.5 g / m 2, the thermal performance is insignificant. On the other hand, if the amount of WO 3 nano powder exceeds 2.5 g / m 2, Is appropriate.
상기의 WO3 나노분말 도포량 범위를 갖는 본 발명 열차단 직물지는 80% 이상의 열차단율(적외선 차단율)을 나타내는바, 종래의 폴리우레탄 수지로만 이루어진 열차단 코팅층이 50% 미만의 열차단율을 나타내는 것에 비해서 월등히 높은 열차단 특성을 나타낸다.The heat-resistant short web of the present invention having the WO 3 nano-powder application range exhibits a thermal interruption rate (infrared cut-off rate) of 80% or more. As compared with the conventional heat- And exhibits significantly higher thermal resistance characteristics.
본 발명에서 열차단 특성을 발현하도록 하는 WO3는 200nm 이하의 나노입자로 구성되며 이 나노입자 분말은 액상의 폴리우레탄(PU)에 첨가 분산되어 코팅액을 이룬 상태에서 건식 코팅, 라미네이팅, 습식 코팅, 플로팅 나이프 코팅(Floating knife coating), 나이프 오버롤 코팅(Knife over roll coating) 등의 기존의 코팅 공정을 통해서 직물지 원단의 적어도 일면에 코팅된 후 열경화나 UV 경화를 거침으로써 열차단 직물지로 얻어지게 된다. In the present invention, WO 3, which is capable of exhibiting thermal barrier properties, is composed of nanoparticles of 200 nm or less, and the nanoparticle powder is added to and dispersed in a liquid polyurethane (PU), and is subjected to dry coating, laminating, It is coated on at least one side of the fabric by conventional coating process such as Floating knife coating and Knife over roll coating and then it is obtained as a heat tracing fabric by thermosetting or UV curing.
본 발명에서는 코팅액의 베이스로서 폴리우레탄 수지를 사용하고 있으나, 이에 한정되는 것은 아니고 그 외의 실리콘 수지나 아크릴 수지 등이 사용될 수도 있다. 그리고 폴리우레탄 수지의 경우 사용되는 용제에 따라 수성이나 유성 폴리우레탄 수지 모두 사용이 가능하며, 유성 폴리우레탄 수지의 경우 MEK(Methyl Ethyl Keton)이나 톨루엔(tolune) 등이 용제로 사용될 수 있고, 수성 폴리우레탄 수지의 경우에는 용제로서 물이 사용될 수 있다.In the present invention, a polyurethane resin is used as the base of the coating liquid, but not limited thereto, other silicone resin, acrylic resin, or the like may be used. In case of polyurethane resin, both aqueous and oily polyurethane resin can be used depending on the solvent used. In the case of oily polyurethane resin, Methyl (Methyl Ethyl Ketone) or toluene can be used as a solvent, and aqueous poly In the case of a urethane resin, water can be used as a solvent.
본 발명에서는 WO3 나노분말과 폴리우레탄 수지 사이의 상대적인 함량 비율에 대하여서는 특별히 한정을 하고 있지 아니한 바, 그 이유는 본 발명에서 얻어지는 열차단 직물지에서의 열차단 특성은 WO3 나노분말의 첨가량에 의해서 주도적으로 결정되기 때문임과 아울러 폴리우레탄 수지는 단지 이러한 혼합 나노분말의 도포를 위한 운반 및 전착제로서의 역할로서 충분하기 때문이다. 그리고 액상 폴리우레탄 수지의 점도는 이에 첨가되는 상기 혼합 나노분말의 첨가량을 고려하고 또한 코팅될 직물지 원단의 종류를 감안하여 적절하게 조절하면 된다.In the present invention, the relative content ratio between the WO 3 nanopowder and the polyurethane resin is not particularly limited because the thermal barrier properties in the heat-sensitive end fabric obtained in the present invention are as follows: the addition amount of WO 3 nanopowder And the polyurethane resin is merely sufficient as a carrier for the application of the mixed nano powder and a role as the electrodeposition agent. The viscosity of the liquid polyurethane resin may be appropriately adjusted in consideration of the added amount of the mixed nano powder to be added thereto and considering the kind of fabric to be coated.
본 발명의 열차단 직물지는 나노 입자로 이루어진 WO3 나노분말이 포함된 코팅층이 적어도 일면에 형성되어 우수한 열차단 성능을 발휘함에 따라 열차단 내지는 보온, 단열이 요구되는 텐트지나 기능성 의류의 재료로 유용하게 활용될 것으로 기대된다.The heat traction sheeting of the present invention comprises WO 3 Since the coating layer containing the nano powder is formed on at least one side and exhibits excellent heat barrier performance, it is expected to be usefully used as a material for a tent or a functional garment requiring heat shielding, insulation, and insulation.
또한 본 발명의 열차단 직물지는 폴리우레탄 수지를 베이스에 WO3 나노분말이 첨가조성된 코팅액을 기존의 코팅 방법을 통해서 간편하게 코팅하여 코팅처리함으로써 제조비용이 저렴하며, 혼합분말이 나노 입자로 구성되어 있음에 따라 코팅 전,후의 원단 투명도에 큰 차이가 없을 뿐 아니라 박막으로 이루어진 코팅층이 원단 직물지와 일체화되어 시간이 경과하더라도 코팅층이 박리되거나 하여 열차단 특성이 열화됨이 없이 지속적인 열차단 성능을 유지할 수 있는 효과도 있다.In addition, the heat-sensitive end fabric of the present invention is characterized in that a polyurethane resin is added to the base WO 3 The manufacturing cost is low by simply coating and coating the coating solution prepared by adding the nanopowder with the conventional coating method, and since the mixed powder is composed of nanoparticles, there is not much difference in the transparency of the fabric before and after coating The coating layer formed of the thin film is integrated with the fabric of the raw fabric so that the coating layer is peeled off even after a lapse of time, and the thermal barrier property is not deteriorated.
이하, 본 발명의 실시예에 대하여 설명한다. 본 실시예는 단지 본 발명에 대한 기술적 명확한 이해를 위해 바람직한 조성과 실시형태를 예시한 것으로서, 본 발명의 기술적 범위가 이들 실시예에 의해서 한정 또는 제한되지는 않는다.Hereinafter, embodiments of the present invention will be described. This embodiment is merely illustrative of preferred compositions and embodiments for a technical understanding of the present invention, and the technical scope of the present invention is not limited or limited by these embodiments.
실시예1Example 1
직물지 원단으로 100㎛ 두께의 100% 폴리에스터 다우다 원단을 사용하여 코팅 전처리 공정으로서 시레(cere) 공정을 행하였다. 이는 후속 코팅공정에서 코팅액이 고르게 도포되도록 원단 표면을 매끄럽게 하기 위한 것으로서 170℃의 온도에서 분당 70야드 (70yard/min)의 속도로 직물지 원단을 이송시켰다.A 100% polyester dowder fabric having a thickness of 100 탆 was used as a cloth fabric, and a cere processing was performed as a coating pretreatment process. This was to smooth the surface of the fabric so that the coating solution was evenly applied in the subsequent coating process, and the fabric was transferred at a rate of 70 yards per minute (70 yards / min) at a temperature of 170 ° C.
이어서 플로팅 나이프 코팅 공정을 통해서 직물지 원단의 일면에 코팅층이 형성되도록 하였다. 이때 나이프의 두께와 원단의 텐션 및 이송속도를 적절하게 조절하여야 하는바, 나이프의 두께는 1.5mm로 하였으며, 원단의 이송속도는 50yard/min으로 유지하였다. 코팅액이 도포된 원단은 곧 바로 150℃로 유지된 열경화로를 통과하도록 하여 코팅액의 경화가 이루어지도록 하였다. The coating layer was then formed on one side of the textile fabric through a floating knife coating process. At this time, the knife thickness, the tension of the fabric, and the conveying speed should be properly adjusted. The thickness of the knife was set to 1.5 mm, and the conveyance speed of the fabric was maintained at 50 yard / min. The fabric coated with the coating solution was immediately passed through a thermosetting furnace maintained at 150 캜 to cure the coating solution.
코팅액의 경화가 완료된 후에는 마무리 공정으로서 원단에 대한 열처리를 행하였는바, 이때의 열처리는 170℃로 유지된 열처리로를 70yard/min의 이송속도로 직물지를 이송시켜 원단의 최종적인 형태가 얻어지도록 하였다.After completion of the curing of the coating liquid, the fabric was subjected to heat treatment as a finishing process. The heat treatment at this time was performed by transferring the fabrics at a conveying speed of 70 yard / min to the heat treatment furnace maintained at 170 캜 to obtain the final shape of the fabric .
상기 코팅액 조성물은 WO3 30wt%, 톨루엔 용제가 사용된 폴리우레탄 67wt% 및 첨가제(분산안정제) 3wt%로 이루어진 것을 사용하였다.The coating liquid composition was prepared by dissolving WO 3 , 67 wt% of a polyurethane in which a toluene solvent was used, and 3 wt% of an additive (dispersion stabilizer).
상기의 코팅공정을 수행함에 있어서, 적절한 WO3의 도포량을 알아보기 위하여 아래의 표1과 같이 WO3 의 원단 1㎡ 당 도포량을 0.5g 부터 2.5g까지 변화시켜 코팅하고, 각각의 경우에 얻어진 최종 직물지에 대한 열차단율을 측정하였다. 본 발명 실시예 직물지와의 대비를 위하여 WO3 가 첨가되지 않은 순수한 폴리우레탄 수지만이 도포 코팅된 종래의 직물지(코팅 전 원단은 실시예 원단과 동일)도 비교예 시편으로 제작하였다.In order to investigate the amount of WO 3 to be applied in the above coating process, the coating amount of WO 3 was changed from 0.5 g to 2.5 g per 1 m 2 of the raw material of WO 3 as shown in Table 1 below, The heat interruption rate to fabric was measured. Examples of the Invention In order to compare with the fabric, WO 3 (The same as that of the fabric of the embodiment) was prepared from the comparative sample.
위의 표1에서와 같이, 본 발명 실시예의 직물지는 종래의 순수한 폴리우레탄 열차단 코팅층이 형성된 직물에 비해서 향상된 열 차단율을 나타내며, WO3 의 1㎡ 도포량이 증가할수록 열차단율이 높아지는 경향을 나타내나 2.5g을 초과하는 경우에는 열 차단율 증가를 더 이상 기대하기 어렵다는 사실을 알 수 있다.As shown in Table 1 above, which embodiment the invention example fabric exhibits improved heat blocking rate as compared to the conventional fabric of pure polyurethane thermal barrier coating layer, exhibited a tendency to increased heat blocking rate 1㎡ As the application amount of the increase or WO 3 It can be seen that it is hard to expect an increase in the thermal cut-off rate more than 2.5g.
실시예2Example 2
상기 실시예1과 동일한 공정으로 직물지 원단에 열차단 코팅층을 형성하였 다. 다만, 이때 사용된 원단은 100㎛ 두께의 100% 나일론 다우다 원단이 사용되었다. A trailing end coating layer was formed on the textile fabric by the same process as in Example 1 above. However, 100 mu m thick nylon dowel fabric of 100 mu m thickness was used for the fabric.
상기의 코팅공정을 수행함에 있어서, 적절한 WO3의 도포량을 알아보기 위하여 아래의 표2과 같이 WO3 의 원단 1㎡ 당 도포량을 0.5g 부터 2.5g까지 변화시켜 코팅하고, 각각의 경우에 얻어진 최종 직물지에 대한 열차단율을 측정하였다. 본 발명 실시예 직물지와의 대비를 위하여 WO3 가 첨가되지 않은 순수한 폴리우레탄 수지만이 도포 코팅된 종래의 직물지(코팅 전 원단은 실시예 원단과 동일)도 비교예 시편으로 제작하였다.In order to examine the application amount of WO 3 in the above coating process, the application amount of WO 3 per 1 m 2 of the raw material of WO 3 was changed from 0.5 g to 2.5 g as shown in Table 2 below, The heat interruption rate to fabric was measured. Examples of the Invention In order to compare with the fabric, WO 3 (The same as that of the fabric of the embodiment) was prepared from the comparative sample.
위의 표2에서와 같이, 본 발명 실시예의 직물지는 종래의 순수한 폴리우레탄 열차단 코팅층이 형성된 직물에 비해서 향상된 열 차단율을 나타내며, WO3 의 1㎡ 도포량이 증가할수록 열차단율이 높아지는 경향을 나타내나 2.5g을 초과하는 경우에는 열 차단율 증가를 더 이상 기대하기 어렵다는 사실을 알 수 있다.As shown in Table 2, above, which embodiment the invention example fabric exhibits improved heat blocking rate as compared to the conventional fabric of pure polyurethane thermal barrier coating layer, exhibited a tendency to increased heat blocking rate 1㎡ As the application amount of the increase or WO 3 It can be seen that it is hard to expect an increase in the thermal cut-off rate more than 2.5g.
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| CN104777187A (en) * | 2014-12-05 | 2015-07-15 | 襄阳航泰动力机器厂 | Thermal barrier coating heat insulation performance testing device |
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| KR102025230B1 (en) * | 2018-02-06 | 2019-09-25 | (주)나노피엔씨 | A method for manufacturing an infrared shielding tent fabric and a method for manufacturing a railway tent fabric |
| KR102482519B1 (en) * | 2021-07-19 | 2022-12-30 | 주식회사 브리즈 | A Tent fabric coated thermal shielding composition and manufacturing method thereof |
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