KR20100008925A - Manufacturing method of dried synthetic leather with cubic effect for polyurethane and its synthetic leather - Google Patents
Manufacturing method of dried synthetic leather with cubic effect for polyurethane and its synthetic leather Download PDFInfo
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- KR20100008925A KR20100008925A KR1020080069555A KR20080069555A KR20100008925A KR 20100008925 A KR20100008925 A KR 20100008925A KR 1020080069555 A KR1020080069555 A KR 1020080069555A KR 20080069555 A KR20080069555 A KR 20080069555A KR 20100008925 A KR20100008925 A KR 20100008925A
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/12—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins
- D06N3/14—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes
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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
- D06B19/00—Treatment of textile materials by liquids, gases or vapours, not provided for in groups D06B1/00 - D06B17/00
- D06B19/0005—Fixing of chemicals, e.g. dyestuffs, on textile materials
- D06B19/0011—Fixing of chemicals, e.g. dyestuffs, on textile materials by heated air
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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
- D06C23/00—Making patterns or designs on fabrics
- D06C23/04—Making patterns or designs on fabrics by shrinking, embossing, moiréing, or crêping
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06H—MARKING, INSPECTING, SEAMING OR SEVERING TEXTILE MATERIALS
- D06H5/00—Seaming textile materials
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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
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/007—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by mechanical or physical treatments
- D06N3/0077—Embossing; Pressing of the surface; Tumbling and crumbling; Cracking; Cooling; Heating, e.g. mirror finish
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2211/00—Specially adapted uses
- D06N2211/10—Clothing
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Dispersion Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Synthetic Leather, Interior Materials Or Flexible Sheet Materials (AREA)
Abstract
Description
본 발명은 폴리우레탄을 이용한 입체감 있는 건식 합성피혁의 제조방법과 이의 제조방법으로 제조된 합성피혁에 관한 것으로, 특히 폴리우레탄을 이용하여 건식가공법으로 제조하는 합성피혁의 표피층을 이형지로부터 얻어지는 단조로운 무늬로부터 탈피하여 엠보싱가공으로 다양한 입체무늬를 부여하여 제품 질감의 가벼움과 중후함 등이 표현되도록 하므로써 의류용에서 산업용까지 다양하게 사용의 폭을 확대, 경계성을 향상시키도록하는 폴리우레탄을 이용한 입체감 있는 건식 합성피혁의 제조방법과 이의 제조방법으로 제조된 합성피혁에 관한 것이다.The present invention relates to a method for producing a three-dimensional dry synthetic leather using polyurethane and to a synthetic leather produced by the manufacturing method thereof. In particular, the skin layer of the synthetic leather produced by the dry processing method using a polyurethane from a monotonous pattern obtained from a release paper By exposing various three-dimensional patterns by embossing to express the lightness and solidity of the texture of the product, the three-dimensional dry type using polyurethane that expands the range of use from clothing to industrial use and improves the boundary property It relates to a method for producing synthetic leather and synthetic leather produced by the production method thereof.
일반적으로, 우레탄계 합성피혁은 건식가공법으로 이형지위에 폴리우레탄 배합액을 도포한 후 건조하고 다시 경화성 폴리우레탄 접착제를 도포하여 직.편물을 접합한 다음 용제를 열로써 제거하여 우레탄 피막을 형성하는 방법으로 제조하거나 습식가공법으로 습식용 우레탄 수지용액에 존재하는 폴리머 간의 강력한 분자 간 응집력과 용매로 사용된 DMF의 수용행성을 이용하여 우레탄 배합액을 물속에서 침척시킨후 DMF를 추출하면 피막이 형성되는 방법으로 제조한다.In general, urethane-based synthetic leather is a method of forming a urethane film by applying a polyurethane compound to the release position by dry processing, drying and then applying a curable polyurethane adhesive to join a knitted fabric and then removing the solvent by heat. Manufactured by a method of forming a film by extracting DMF after infiltrating the urethane compound in water using the strong intermolecular cohesion between the polymers present in the wet urethane resin solution and the water-soluble planet of DMF used as a solvent. do.
위와 같은 건식 및 습식가공에 따른 합성피혁의 제조방법으로는 특허 제163469호 습식 합성피혁의 제조방법, 특허 제204518호 수성폴리우레탄 수지를 이용한 합성피혁의 제조방법, 특허 제564847호 수계 폴리우레탄 복합물을 이용한 합성피혁의 제조방법, 특허 제446465호 천연 질감의 인조피혁 제조방법 및 그에 의해 제조된 인조피혁 및 본인의 선등록 특허 제757409호 통기성을 가진 합성피혁의 제조방법 및 그 합성피혁 등을 들 수 있다.As a manufacturing method of the synthetic leather according to the dry and wet processing as described above, Patent No. 163469, Method of manufacturing wet synthetic leather, Patent No. 204518, Method of manufacturing synthetic leather using water-based polyurethane resin, Patent No. 564847 Water-based polyurethane composite Manufacturing method of synthetic leather, patent No. 446465, artificial leather manufacturing method of natural texture, artificial leather manufactured by it, and the method of manufacturing synthetic leather having its own prior patent No. 754209 breathable synthetic leather and the like Can be.
상기와 같은 합성피혁의 제조방법에서 건식가공법은 다른 합성피혁(PVC 또는 습식)에 비하여 보다 입체감의 표현효과를 가질 수 없는 단점이 있다.In the manufacturing method of the synthetic leather as described above, the dry processing method has a disadvantage that it can not have a more three-dimensional expression effect than other synthetic leather (PVC or wet).
또한, 일반적으로 건식 가공법에 따른 표피층의 무늬는 이형지위에 폴리우레탄을 도포하고 다시 경화성 폴리우레탄 접착제를 도포하여 원단을 접합한 후에 이형지를 박리하여 제품을 완성함에 따라 이는 이형지의 무늬 패턴에 의존하므로 무늬가 단조로운 단점이 있다.In general, the pattern of the skin layer according to the dry processing method is applied by applying a polyurethane on the release paper, and then by applying a curable polyurethane adhesive again to bond the fabric and peeling the release paper to complete the product, this depends on the pattern of the release paper pattern There is a monotonous drawback.
또한, 습식가공법으로 폴리우레탄(표피층)에 후가공으로의 엠보싱은 제품의 단가가 너무 높게 형성되므로 제품 생산에 따른 경제성이 문제가 된다.In addition, the embossing of the polyurethane (epidermal layer) to the post-processing by the wet processing method is a problem that the production cost of the product is too high because the product cost is formed.
이에 본 발명은 상술한 문제점을 해결하기 위하여 안출 한 것으로 건식가공법에 따른 합성피혁을 제조함에 있어 표피층 상의 디자인이 엠보싱 가공으로 다양한 입체효과가 나타나도록 하는 제조방법을 제공함에 그 목적이 있다.Accordingly, an object of the present invention is to provide a manufacturing method for producing a variety of three-dimensional effect by the embossed design of the design on the skin layer in the manufacture of synthetic leather according to the dry processing method.
본 발명의 또 다른 목적은 건식가공법에 따른 폴리우레탄을 도포 후 엠보싱 가공으로 건식가공의 단점인 표피층 상의 무늬의 단조로움을 개선하여 다양한 입체무늬의 표출을 도모하고 동시에 제품의 질감을 향상시켜 사용분야를 의류용 뿐 만아니라 산업용까지 사용의 폭을 확대할 수 있도록 하는 합성피혁을 제공하는데도 있다.Another object of the present invention is to improve the monotony of the pattern on the skin layer, which is a disadvantage of dry processing by applying the polyurethane according to the dry processing method embossing to promote the appearance of various three-dimensional patterns and at the same time improve the texture of the product It also provides synthetic leather that can be used not only for clothing but also for industrial use.
상기한 목적을 달성하기 위한 본 발명은 폴리우레탄으로 이루어지는 표피층의이면에 열가소성 폴리우레탄(Termoplastic Polyurethane Elastomer : 이하 "TPU"라 한다) 또는 hot melt접착제를 사용하여 원단을 접합하고, 표피층에 엠보싱가공을 부여하여서 이루어진 것으로, 폴리우레탄 배합액을 엠보싱이 형성되어있는 이형지상에 도포하여 표피층을 형성시키는 폴리우레탄 표피층 형성단계;The present invention for achieving the above object is bonded to the fabric using a thermoplastic polyurethane (Termoplastic Polyurethane Elastomer (hereinafter referred to as "TPU") or hot melt adhesive) on the back of the skin layer made of polyurethane, and embossed to the skin layer A polyurethane skin layer forming step of forming a skin layer by applying a polyurethane compound on a release paper on which embossing is formed;
상기 표피층 형성단계에서 수득된 표피층에 TPU 또는 hot melt접착제를 도포하는 접착제층 형성단계;Adhesive layer forming step of applying a TPU or hot melt adhesive to the skin layer obtained in the skin layer forming step;
상기 접착제층 상에 원단을 압압롤러로 압압하여 접합시키는 원단 접합단계;Fabric bonding step of bonding the fabric to the adhesive layer by pressing the pressing roller;
상기 표피층으로 부터 이형지를 박리하는 이형지 박리단계;A release paper peeling step of peeling release paper from the skin layer;
상기 이형지가 박리된 표피층에 가열엠보싱 롤러로 압압하여 폴리우레탄 표 피층에 엠보싱 가공을 하는 엠보싱 가공단계;로 이루어진 폴리우레탄을 이용한 입체감 있는 건식 합성피혁의 제조방법을 특징으로 한다.Embossing step of pressing the surface of the release paper is peeled off with a heat embossing roller to emboss the polyurethane skin layer; characterized in that the manufacturing method of three-dimensional dry synthetic leather using a polyurethane consisting of.
이하에서 본 발명을 상세하게 설명하면 다음과 같다. Hereinafter, the present invention will be described in detail.
본 발명은 폴리우레탄을 표피층으로 하고 이면에 원단(직.편물)을 열가소성수지 접착제를 사용하여 접합하고 엠보싱 과정에서 표피층에 무늬의 입체감이 표출되도록 하는 합성피혁을 제조하는 방법으로 이를 구체적으로 공정별로 구분하여 보면, The present invention is a method of manufacturing a synthetic leather that is a polyurethane as a skin layer and the fabric (woven, knitted fabric) on the back side using a thermoplastic resin adhesive and the three-dimensional appearance of the pattern on the skin layer during embossing process, specifically by this process If you look at them,
폴리우레탄 배합액을 엠보싱이 형성되어 있는 이형지상에 도포하여 표피층을 형성시키는 폴리우레탄 표피층 형성단계;A polyurethane skin layer forming step of applying a polyurethane mixture on a release paper on which embossing is formed to form a skin layer;
상기 폴리우레탄 표피층상에 원단을 접합하기 위한 열가소성 수지 접착제층을 형성시키는 접착제층 형성단계;Adhesive layer forming step of forming a thermoplastic resin adhesive layer for bonding the fabric on the polyurethane skin layer;
상기 접착제층 상에 원단을 압압롤러로 압압하여 접합시키는 원단접합단계;Fabric bonding step of bonding the fabric to the adhesive layer by pressing the pressure roller;
상기 폴리우레탄 표피층으로부터 이형지를 박리하는 이형지 박리단계;Release paper peeling step of peeling the release paper from the polyurethane skin layer;
상기 이형지가 박리된 표피층에 가열엠보싱롤러를 압압하여 폴리우레탄 표피층에 엠보싱 가공을 부여하는 엠보싱 가공단계로 이루어져 있다.Pressing the heating embossing roller to the skin layer peeled off the release paper is made of an embossing processing step to give an embossing process to the polyurethane skin layer.
또한, 상기 엠보싱 가공단계에서는 표피층의 입체감과 더불어 색상이 표현되도록 색상부여처리를 동시에 실시할 수 있다.In addition, in the embossing step, the color imparting treatment may be simultaneously performed so that the color is expressed together with the three-dimensional appearance of the epidermal layer.
상기 폴리우레탄표피층 형성단계는 합성피혁의 표피층을 구성하는 폴리우레탄배합액을 엠보싱이 형성되어 있는 이형지 상에 도포하여 원단 상에 표피층이 형성될 수 있도록 표피층을 형성하는 단계이다. 상기 표피층은 폴리우레탄수지 100중량부에 대하여 methylethylketone(MEK: 이하같음) 35~45중량부, Dimethylformamide(DMF:이하같음) 15~25중량부와 색소 25~35중량부를 배합하여 충분히 혼합한 다음 이를 나이프코터로 50~100g/㎡로 도포하고, 120~130℃의 열풍으로 약2분간 건조하게 된다. 건조온도가 120℃미만일 때는 건조가 잘 되지 않을 경우가 있으며 130℃를 초과하면 급속 건조로 변형을 초래할 우려가 있다.The polyurethane skin layer forming step is a step of forming a skin layer so that the skin layer can be formed on the fabric by applying a polyurethane mixture constituting the skin layer of synthetic leather on a release paper embossed. The skin layer is sufficiently mixed with 35 to 45 parts by weight of methylethylketone (MEK: less than), 15 to 25 parts by weight of dimethylformamide (25 to 35 parts by weight) and pigments based on 100 parts by weight of polyurethane resin. 50-100g / m <2> is apply | coated with a knife coater, and it is dried for about 2 minutes by hot air of 120-130 degreeC. If the drying temperature is less than 120 ℃ drying may not be good and if it exceeds 130 ℃ may cause deformation by rapid drying.
상기 접착제층 형성단계는 표피층 상에 원단과 접합되도록 하면서도 후기하는 엠보싱 가공단계에서 가열 용융으로 표피층에 입체무늬가 표출되도록 하기 위한 접착제를 도포하는 단계이다. 상기 접착제층의 접착제는 80~150℃에서 녹는 hot melt타입의 열가소성 수지접착제를 사용하게 되는데 열가소성수지 접착제로는 hot melt 타입의 TPU칩 100중량부에 DMF칩 100중량부에 DMF 80~150중량부로 80℃~100℃의 간접열로 4~5시간 녹인 TPU용액 100중량부에 색소 10~50중량부를 첨가하여 충분히 혼합한 다음 콤머코터 또는 나이프코터로써 상기 표피층상에 150~200g/㎡로 도포한다. 이때 도포된 접착제는 이후 원단접합단계에서 원단을 접합하기 위하여 건조챔버에서 100~130℃에서 1~2분간 70~80% 건조시키게 된다.The adhesive layer forming step is a step of applying an adhesive so that the three-dimensional pattern is expressed on the skin layer by heat melting in the later embossing process step while being bonded to the fabric on the skin layer. The adhesive of the adhesive layer is to use a hot melt type thermoplastic resin adhesive that melts at 80 ~ 150 ℃, the thermoplastic resin adhesive as a hot melt type of 100 parts by weight of DMF chip 100 parts by weight of DMF 80 ~ 150 parts by weight of DMF chip 10 to 50 parts by weight of the pigment is added to 100 parts by weight of the TPU solution melted for 4 to 5 hours by indirect heat of 80 ° C to 100 ° C, and the mixture is sufficiently mixed, and then applied at 150 to 200 g / m 2 on the skin layer with a comb coater or a knife coater. . At this time, the applied adhesive is then dried 70 ~ 80% for 1 to 2 minutes at 100 ~ 130 ℃ in a drying chamber in order to bond the fabric in the fabric bonding step.
상기 원단 접합단계는 상기 폴리우레탄 표피층과 상기 접착제층을 통하여 원단의 접합이 이루어지도록 하는 단계이다. 이는 접착제가 도포된 표피층과 원단을 합치하여 열을 가하지 아니한 상태로 상온에서 압압프레스롤러를 통하여 접합하게 된다. 이후 내부온도가 130~150℃인 건조실에서 완전히 건조하는 것이 포함된다. 이때 내부온도가 130℃미만일 때는 건조 및 접합불량을 초래할 수 있으며 150℃를 초과하면 사용 원단의 변형을 가져올 수 있다.The fabric bonding step is a step of bonding the fabric through the polyurethane skin layer and the adhesive layer. It is bonded through the pressure press roller at room temperature without applying heat by matching the skin layer and the fabric to which the adhesive is applied. Since the internal temperature is 130 ~ 150 ℃ to dry completely in a drying chamber includes. At this time, when the internal temperature is less than 130 ℃ may lead to drying and poor bonding, if it exceeds 150 ℃ may cause deformation of the fabric used.
또한 상기 원단접합단계는 별도의 냉각 롤러에서 냉각과정을 거치거나 상온에서 소정기간 냉각숙성시키는 과정도 포함된다.In addition, the fabric bonding step includes a process of cooling in a separate cooling roller or cooling aging for a predetermined period of time at room temperature.
상기 이형지 박리단계는 상기 표피층과 원단이 접합되고 냉각된 표피층상으로 부터 이형지를 박리(분리)하는 것이고, 이형지의 박리는 상기 표피층과 원단이 접합되고 냉각의 완료 또는 소정시간 숙성 후에 이루어지는 것이며 박리(분리)된 이형지는 재사용이 가능하여 고가인 이형지의 구입에 따른 경제성과 사용성이 한층 높아진다.The release paper peeling step is to peel (separate) the release paper from the skin layer bonded to the skin layer and the fabric and cooled, and the release paper is peeled off after the skin layer and the fabric are bonded and completed cooling or aging for a predetermined time. The separated release paper can be reused, which increases the economics and usability of purchasing expensive release paper.
상기 엠보싱 가공단계는 전단계까지에서 제조된 합성피혁의 표피층에 입체무늬를 부여하기 위한 즉, 상기 표피층상에 입체무늬를 표출하기 위하여 둘레표면을 따라 무늬가 각인된 엠보싱 롤러를 이용하여 가공하는 단계이다. 이의 엠보싱롤러는 100~150℃의 가열롤러로써 상기 표피층을 압압하여 표피층 이면의 열가소성 접착제가 용융됨과 동시에 표피층에 롤러 표편에 각인된 입체무늬가 형성하게 된다. 이와 더불어 엠보싱 가공단계에서는 전사칼라필름을 표피층과 엠보싱롤러 사이에 동시에 공급하여 표피층의 엠보싱이 되어지는 음각부에 칼라를 부여하여 투톤칼라의 표현이 가능케 하는 것을 포함한다.The embossing step is to apply a three-dimensional pattern to the skin layer of the synthetic leather manufactured in the previous step, that is to process using an embossed roller stamped along the circumferential surface to express the three-dimensional pattern on the skin layer. . The embossing roller is a heating roller of 100 ~ 150 ℃ to press the skin layer to melt the thermoplastic adhesive on the back of the skin layer and at the same time to form a three-dimensional pattern stamped on the roller surface on the skin layer. In addition, in the embossing step, the transfer color film is simultaneously supplied between the epidermal layer and the embossing roller to impart a color to the intaglio portion where the epidermal layer is embossed, thereby enabling the expression of a two-tone color.
상기한 바와 같은 폴리우레탄을 이용한 합성피혁 용도에 따라 엠보싱가공을 하지 아니한 제품과 엠보싱 가공을 실시한 제품으로 나누어 용도에 따라 후처리 즉, 세탁 및 건조를 하여 완제품으로 완료하는 것이나, 세탁에서는 제품의 제조과정이나 기타 제품에 남아있는 중금속 물질인 카드뮴, 납, 수은 크롬 등 오염물질을 제거하게 된다.According to the use of synthetic leather using polyurethane as described above, the product is not embossed and the embossed product is divided into post-treatment, that is, washing and drying according to the use, and finished as a finished product, but in the manufacture of the product in washing It removes contaminants such as cadmium, lead and mercury chromium that remain in the process or other products.
[실시예]EXAMPLE
폴리우레탄수지 100중량부에 대하여 MEK 40중량부, DMF 20중량부, 색소(황토색) 30중량부로 배합 충분히 혼합하여 이를 나이프코터를 이용하여 100g/㎡로 도포한 후 120℃의 열풍으로 2분간 건조하여 폴리우레탄표피층을 형성하고, 이 폴리우레탄표피층에 hot melt타입의 TPU칩 100중량부에 DMF 110중량부로 90℃의 간접열로 3시간 녹인 TPU용액 100중량부에 색소(황토색) 30중량부를 첨가하여 충분히 혼합한 다음 콤머코터를 이용하여 상기 표피층 상에 180g/㎡ 도포한 후 내부온도가 120℃인 건조실에서 2분간 건조하였다. 이때의 건조율은 80%였고, 이의 접착제층에 면직물 상온에서 압압프레스롤러를 통하여 접합한 다음 내부온도가 135℃인 건조실에서 완전건조 후 냉각하고 이형지를 박리(분리)하여 폴리우레탄 합성피혁을 제조하였고, 상기 제조된 폴리우레탄 합성피혁의 폴리우레탄 표피층 상에 전사칼라필름을 공급하면서 130℃로 가열된 엠보싱 롤러로 압압하여 입체무늬가 형성된 합성피혁을 제조하였다.40 parts by weight of MEK, 20 parts by weight of DMF, and 30 parts by weight of pigment (ocher) are mixed with 100 parts by weight of polyurethane resin, mixed with 100g / m2 using a knife coater, and then dried for 2 minutes with hot air at 120 ° C. 30 parts by weight of a pigment (ocher) was added to 100 parts by weight of a TPU solution melted for 3 hours by indirect heat at 90 ° C. with 110 parts by weight of DMF on 100 parts by weight of a hot melt type TPU chip. The mixture was sufficiently mixed and then applied to the skin layer 180g / m 2 using a comb coater, followed by drying for 2 minutes in a drying chamber having an internal temperature of 120 ° C. At this time, the drying rate was 80%, and the adhesive layer was bonded to the cotton fabric through a pressure press roller at room temperature, and then completely dried in a drying chamber having an internal temperature of 135 ° C., cooled, and the release paper was separated (separated) to prepare a polyurethane synthetic leather. In addition, while supplying a transfer color film on the polyurethane skin layer of the polyurethane synthetic leather prepared above was pressed by an embossing roller heated to 130 ℃ to prepare a synthetic leather with a three-dimensional pattern.
이렇게 하여 얻어진 폴리우레탄을 이용한 합성피혁은 촉감과 질감이 우수하고, 입체무늬가 도드라지고 투톤칼라를 나타내는 색상이 양호하였다.The synthetic leather using the polyurethane obtained in this way was excellent in touch and texture, and the three-dimensional pattern was raised and the color which showed the two-tone color was favorable.
상기 실시예에서는 폴리우레탄 표피층의 양을 100g/㎡로 실시하였으나 그 양 은 제품의 사용용도에 따라 다양하게 실시할 수 있다.In the above embodiment, the amount of the polyurethane skin layer was carried out at 100 g / m 2, but the amount can be variously performed according to the intended use of the product.
이상에서 본 발명은 기재된 구체 예에 대하여 기술하였지만, 본 발명의 기술사상 범위 내에서 다양한 변형 및 응용이 가능함은 당업자에 있어서 명백하다.Although the present invention has been described above with respect to the described embodiments, it will be apparent to those skilled in the art that various modifications and applications are possible within the technical scope of the present invention.
본 발명에 의한 제조방법으로 제조된 폴리우레탄을 이용한 합성피혁은 종래의 이형지에 의한 단순한 무늬가 아닌 엠보싱롤러에 의하여 무늬가 형성되게 하므로써 다양한 입체무늬를 가질 뿐 만아니라 색상표현이 다양하게 이루어짐으로써 의류용에서 산업용까지 사용의 폭을 확대할 수 있어서 경제성이 향상되고 그 사용성에 큰 효과가 있다.Synthetic leather using a polyurethane produced by the manufacturing method according to the present invention is not only a simple pattern by a conventional release paper, but by the embossing roller to have a pattern is formed not only to have a variety of three-dimensional pattern but also a variety of color expression clothing It is possible to extend the range of use from industrial use to industrial use, thereby improving economic efficiency and having a great effect on the usability.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101942766A (en) * | 2010-07-22 | 2011-01-12 | 上海华峰超纤材料股份有限公司 | Synthetic leather, preparation method and application thereof in protecting shoes |
| KR101337663B1 (en) * | 2013-08-26 | 2013-12-06 | 이영애 | Self adhesive leather material and its manufacturing method |
| KR101427068B1 (en) * | 2014-04-24 | 2014-08-07 | (주)엠텍스텍 | Water proof synthetic leather material having outmost skin surface texture-shifted from textile material and its fabrication method |
| KR101450604B1 (en) * | 2012-04-09 | 2014-10-23 | 한화첨단소재 주식회사 | Artificial leather for car seat cover and method for manufacturing thereof |
| KR102009720B1 (en) * | 2018-08-13 | 2019-08-12 | (주) 정산인터내셔널 | Man-made leather having excellent air permeability and manufacturing method thereof |
| CN111172773A (en) * | 2019-12-26 | 2020-05-19 | 华伦皮塑（苏州）有限公司 | Synthetic leather for children products and preparation method thereof |
| US10815613B2 (en) | 2016-10-19 | 2020-10-27 | Hyundai Motor Company | Artificial leather with three-dimensional pattern and manufacturing method thereof |
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2008
- 2008-07-17 KR KR1020080069555A patent/KR20100008925A/en not_active Application Discontinuation
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101942766A (en) * | 2010-07-22 | 2011-01-12 | 上海华峰超纤材料股份有限公司 | Synthetic leather, preparation method and application thereof in protecting shoes |
| KR101450604B1 (en) * | 2012-04-09 | 2014-10-23 | 한화첨단소재 주식회사 | Artificial leather for car seat cover and method for manufacturing thereof |
| KR101337663B1 (en) * | 2013-08-26 | 2013-12-06 | 이영애 | Self adhesive leather material and its manufacturing method |
| KR101427068B1 (en) * | 2014-04-24 | 2014-08-07 | (주)엠텍스텍 | Water proof synthetic leather material having outmost skin surface texture-shifted from textile material and its fabrication method |
| US10815613B2 (en) | 2016-10-19 | 2020-10-27 | Hyundai Motor Company | Artificial leather with three-dimensional pattern and manufacturing method thereof |
| KR102009720B1 (en) * | 2018-08-13 | 2019-08-12 | (주) 정산인터내셔널 | Man-made leather having excellent air permeability and manufacturing method thereof |
| CN111172773A (en) * | 2019-12-26 | 2020-05-19 | 华伦皮塑（苏州）有限公司 | Synthetic leather for children products and preparation method thereof |
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