KR20180060539A - multi-color TPU coating yarn - Google Patents

multi-color TPU coating yarn Download PDF

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KR20180060539A
KR20180060539A KR1020160160116A KR20160160116A KR20180060539A KR 20180060539 A KR20180060539 A KR 20180060539A KR 1020160160116 A KR1020160160116 A KR 1020160160116A KR 20160160116 A KR20160160116 A KR 20160160116A KR 20180060539 A KR20180060539 A KR 20180060539A
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yarn
tpu
color
compound
present
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KR1020160160116A
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Korean (ko)
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박희대
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박희대
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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
    • D—TEXTILES; PAPER
    • D02—YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02G—CRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G3/00—Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/22—Yarns or threads characterised by constructional features, e.g. blending, filament/fibre
    • D02G3/36—Cored or coated yarns or threads
    • 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
    • D06M2200/35—Abrasion, pilling or fibrillation resistance
    • 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
    • D10B2401/06—Load-responsive characteristics
    • D10B2401/063—Load-responsive characteristics high strength

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
  • Artificial Filaments (AREA)

Abstract

Suggested in the present invention is multi-coloring TPU coated yarn which is produced by separately preparing TPU compounds by each color, respectively storing the TPU compounds inside separate hoppers by each color, and extruding the compounds by a conventional co-extrusion method so that a plurality of color coating layers are formed by being divided along the outer peripheral surface of the yarn. According to the present invention, the simplification can be realized for producing the multi-coloring TPU coated yarn through a coating process after dividing multiple colors along the outer peripheral surface of the yarn.

Description

멀티 컬러 TPU 코팅사{multi-color TPU coating yarn}Multi-color TPU coating yarn

본 발명은 열가소성 폴리우레탄 코팅사에 관한 것으로서, 더욱 상세하게는 다양한 색상을 가지는 안료를 사용하여 열가소성 폴리우레탄 수지를 컴파운드하고 이를 압출하여 제조된 멀티 컬러 TPU 코팅사에 관한 것이다.The present invention relates to a thermoplastic polyurethane coating yarn, and more particularly, to a multicolor TPU coating yarn produced by compounding and extruding a thermoplastic polyurethane resin using pigments having various colors.

통상적으로 합성섬유는 용융된 합성수지를 구금의 홀을 통하여 방사한 다음, 냉각과 고화과정을 통해 섬유형태로 고정시킨 후 권취하는 과정으로 제조된다. 이러한 과정으로 제조된 합성섬유는 여러 종류의 원단으로 제직되고, 제직 후 원하는 색상으로 염색하여 소비자들의 취향에 맞도록 다양한 색상을 구현하게 된다. 하지만, 이 경우 하나의 원단에 통일된 하나의 컬러 효과만 가능하기 때문에 단일 색상의 원단 밖에 생산할 수 없는 문제점이 있다.Generally, synthetic fibers are produced by spinning a molten synthetic resin through a hole in a spinneret, fixing it in a fiber form through cooling and solidification, and then winding it. The synthetic fibers produced by this process are woven with various kinds of fabrics, and they are dyed with desired colors after weaving, thereby realizing various colors according to the taste of consumers. However, in this case, since only one color effect can be unified in one fabric, there is a problem that only a single color fabric can be produced.

이러한 문제점을 해결하기 위하여, 즉 하나의 원단에 여러 색상을 구현하기 위하여 종래에는 염색된 실(사염사)을 사용하여 원단을 제직(製織)하게 되는데, 이 경우 다양한 색상이 조합된 원단을 생산할 수 있는 장점은 있으나 사염사를 제조하기가 매우 번거롭고 공정이 까다로울 뿐만 아니라 생산성이 낮아 적용이 매우 제한적인 단점이 있다. 또한, 현재 가장 많이 사용되고 있는 합성섬유인 폴리에스테르의 경우에는 재료의 특성상 염색에 사용한 분산염료의 이염(migration)이 발생할 가능성이 커 원단의 견뢰도가 떨어지는 문제점이 있다.In order to solve this problem, in order to realize various colors on one fabric, conventionally, the fabric is weaved by using dyed yarn (yarn yarn). In this case, However, it is very troublesome to manufacture tetragastrics, it is not only difficult to process, but also has a disadvantage that its application is very limited due to its low productivity. In addition, in the case of polyester which is the most widely used synthetic fiber, migration of disperse dye used for dyeing is likely to take place due to the nature of the material, and the fastness of the fabric is poor.

또 다른 방법으로는 원사를 방사할 때 안료를 함께 넣어 방사하여 만든 원착사를 사용하여 원단을 제직(製織)할 수도 있다. 하지만 이 경우 방사 중에 색상의 교체가 거의 불가능하기 때문에 동일한 색상을 가지는 원사를 대량으로 생산하는 경우에만 적용될 수 있다. 즉, 소량의 다양한 색상을 가지는 원사를 생산 공급하기에는 비경제적인 단점이 있다.Alternatively, the fabric may be woven by using a circular yarn made by spinning the yarn together with the pigment. However, in this case, since it is almost impossible to change the color during spinning, it can be applied only to a case where a yarn having the same color is produced in a large amount. That is, there is an uneconomical disadvantage in producing and supplying yarn having a small amount of various colors.

공개특허공보 공개번호 제10-2011-0069868호(발명의 명칭: 폴리우레탄 탄성 실을 포함하는 직물. 공개일자: 2011년 06월 23일)Open Patent Publication No. 10-2011-0069868 (entitled: Fabrics Containing Polyurethane Elastic Yarns, Published Date: June 23, 2011) 등록특허공보 등록번호 제10-0875709호(발명의 명칭: 열가소성 폴리우레탄 코팅 원사를 이용한 논슬립성 원단. 공고일자: 2008년 12월 23일)Registered Patent Registration No. 10-0875709 (Name of the invention: Non-slippery fabric using thermoplastic polyurethane coated yarn) Date of Announcement: December 23, 2008 공개특허공보 공개번호 제10-2012-0078630호(발명의 명칭: 폴리에스테르 원사 및 그의 제조방법. 공개일자: 2012년 07월 10일)Open No. 10-2012-0078630 (Title: Polyester yarn and method for producing the same) Published Date: July 10, 2012 공개특허공보 공개번호 제10-2013-0079127호(발명의 명칭: 코팅 원사용 열가소성 폴리우레탄 컴파운드의 조성물. 공개일자: 2013년 07월 10일)Open Patent Publication No. 10-2013-0079127 (Title of the Invention: Composition of a thermoplastic polyurethane compound to be used as a coating source Published date: Jul. 10, 2013)

본 발명은 위와 같은 종래기술의 문제점을 해결하기 위한 것으로, 안료를 사용하여 열가소성 폴리우레탄 수지를 컴파운드하고 이를 압출하여 제조된 다양한 색상을 가지는 멀티 컬러 TPU 코팅사를 제공하는데 그 목적이 있다.It is an object of the present invention to provide a multicolor TPU coated yarn of various colors, which is prepared by compounding a thermoplastic polyurethane resin using a pigment and extruding the same.

본 발명은 원사의 외주면을 따라 적어도 하나 이상의 컬러 코팅층이 분할하여 형성됨을 특징으로 한다.The present invention is characterized in that at least one color coating layer is formed by being divided along the outer circumferential surface of the yarn.

본 발명은 원사의 외주면을 따라 2~7개의 컬러 코팅층이 분할하여 형성됨을 특징으로 한다.The present invention is characterized in that 2 to 7 color coating layers are formed by dividing along the outer circumferential surface of the yarn.

본 발명은 호퍼에 다양한 색상을 가지는 TPU 컴파운드를 저장하되, 상기 TPU 컴파운드를 컬러별로 각각의 호퍼를 개별적으로 구성하며, 상기 각 호퍼에는 각 실린더가 개별적으로 설치되고, 상기 각각의 실린더는 원사가 통과하는 한 개의 다이스와 연결되며, 상기 다이스를 통과하는 원사의 표면에 상기 용융된 각각의 TPU 컴파운드가 코팅되어 다양한 컬러가 원사의 외주면을 따라 분할하여 형성되는 것을 특징으로 한다.The present invention relates to a method of storing a TPU compound having various colors in a hopper, wherein the TPU compound individually constitutes each hopper by color, each cylinder being individually installed in each hopper, And the melted TPU compound is coated on the surface of the yarn passing through the dice so that various colors are formed along the outer circumferential surface of the yarn.

본 발명은 원사의 외주면을 따라 다양한 컬러를 분할하여 코팅 처리함으로써 멀티 코팅사를 제조할 때 공정의 단순화를 구현할 수 있을 뿐 아니라 한 개의 TPU 코팅사를 이용하여 신발 갑피용 원단을 직조할 때 다양한 컬러의 원단을 만들 수 있는 장점이 있다.The present invention can simplify the process when the multi-coated yarn is manufactured by dividing and coating various colors along the outer circumferential surface of the yarn, and also, when weaving a fabric for a shoe upper using one TPU coated yarn, It is advantageous to fabricate the fabric of the present invention.

또한, 본 발명은 우수한 내구성 및 내마모성, 기계적 강도, 화학적 강도를 유지하면서 다양한 색상을 가지는 멀티 컬러 코팅사의 효과 및 원단의 그라데이션 효과를 구현할 수 있는 장점이 있다.Further, the present invention has an advantage that a multi-color coating yarn having various colors and a gradation effect of a fabric can be realized while maintaining excellent durability, abrasion resistance, mechanical strength, and chemical strength.

도 1a 내지 도 1f는 본 발명의 바람직한 일 실시 예에 따른 원사의 외주면을 따라 복수의 컬러 코팅층이 분할하여 형성된 멀티 컬러 TPU 코팅사의 구성을 보여주고 있는 도면.FIGS. 1A to 1F are views showing the construction of a multicolor TPU coating yarn in which a plurality of color coating layers are divided along an outer circumferential surface of a yarn according to a preferred embodiment of the present invention. FIG.

이하 본 발명의 실시 예를 첨부된 도면을 참조하여 설명하면 다음과 같다. 후술 될 상세한 설명에서는 상술한 기술적 과제를 이루기 위해 본 발명에 있어 대표적인 실시 예를 제시할 것이다. 그리고 본 발명으로 제시될 수 있는 다른 실시 예들은 본 발명의 구성에서 설명으로 대체한다.Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings. In the following detailed description, exemplary embodiments of the present invention will be described in order to accomplish the above-mentioned technical problems. And other embodiments which may be presented by the present invention are replaced by descriptions in the constitution of the present invention.

본 발명에서는 TPU 컴파운드를 각 컬러(color) 별로 제조한 다음, 상기 TPU 컴파운드를 컬러별로 각각의 호퍼에 저장한 후, 이를 통상의 공압출 방법으로 압출하여 원사의 외주면을 따라 복수의 컬러 코팅층이 분할하여 형성된 멀리 컬러 TPU 코팅사를 구현하고자 한다. 아래에서는 도 1a 내지 도 1f를 참조하여 본 발명에 따른 멀티 컬러 TPU 코팅사의 기술구성을 구체적으로 제시한다.In the present invention, the TPU compound is manufactured for each color, the TPU compound is stored in each hopper for each color, and the TPU compound is extruded by a conventional co-extrusion method to separate a plurality of color coating layers along the outer circumferential surface of the yarn Colored TPU coated yarn formed by the above method. Hereinafter, the technical structure of the multicolor TPU coating yarn according to the present invention will be specifically described with reference to FIGS. 1A to 1F.

또한, 본 발명에서는 제일 먼저 TPU 컬러 컴파운드를 제조하게 되는데, 본 발명자가 기출원하여 특허 등록받은 제10-1341055호에서 제시하고 있는 열가소성 폴리우레탄 컴파운드의 제조과정을 참조한다.In addition, in the present invention, first, a TPU color compound is prepared. Reference is made to a process for producing a thermoplastic polyurethane compound proposed by the inventor of the present invention and filed in the patent registration No. 10-1341055.

상기 특허등록번호 제10-1341055호에 제시된 '열가소성 폴리우레탄 컴파운드의 제조 과정'은 아래와 같다.The manufacturing process of the thermoplastic polyurethane compound disclosed in the above Patent Registration No. 10-1341055 is as follows.

본 발명에서 사용되는 TPU 컬러 컴파운드의 제조방법은, 1) 열가소성 폴리우레탄과 각종 첨가제(바람직하게는, 증점제, 가공활제) 및 안료를 혼합하고 이를 통상의 컴파운드용 압출기의 호퍼에 투입하는 과정과, 2) 상기 컴파운드용 압출기의 실린더 내부에서 열가소성 폴리우레탄과 각종 첨가제를 150~250℃의 온도에서 50~150kgf의 압력으로 용융시키고 혼련하여 컴파운드하는 과정과, 3) 상기 컴파운드용 압출기의 다이스를 통해 토출되는 컴파운딩된 열가소성 폴리우레탄 액을 냉각수의 내부에서 커팅하여 필렛(pellet)을 형성하는 과정과, 4) 이와 같이 제조된 열가소성 폴리우레탄 필렛을 60~80℃에서 4~6시간 동안 건조시킨 다음, 이를 다시 30~50℃의 온도에서 7일 이상 숙성시키는 과정으로 이루어진다.The process for producing the TPU color compound used in the present invention comprises the steps of 1) mixing thermoplastic polyurethane with various additives (preferably thickener, processing activator) and pigment and injecting it into a hopper of an ordinary compound extruder, 2) melting and kneading the thermoplastic polyurethane and various additives at a temperature of 150 to 250 ° C at a pressure of 50 to 150 kgf in the cylinder of the compound extruder to compound; and 3) discharging through the dies of the compound extruder (4) drying the thermoplastic polyurethane filler thus prepared at 60 to 80 ° C. for 4 to 6 hours, and then drying the thermoplastic polyurethane fillet at 60 to 80 ° C. for 4 to 6 hours, And then aging at a temperature of 30 to 50 DEG C for 7 days or more.

이와 같이 제조된 TPU 컬러 컴파운드는 안료의 색상에 따라 다양한 색상을 가지는 필렛으로 만들어지는데, 예를 들어 노랑색의 안료를 배합하게 되면 노랑색 TPU 컬러 컴파운드가 제조되고, 빨강색의 안료를 배합하게 되면 빨강색 TPU 컬러 컴파운드가 제조되며, 녹색의 안료가 배합되면 녹색 TPU 컬러 컴파운드가 제조된다.The TPU color compound thus prepared is made into a fillet having various colors according to the color of the pigment. For example, when a yellow pigment is mixed, a yellow TPU color compound is prepared. When a red pigment is compounded, TPU color compounds are prepared, and when green pigments are incorporated, green TPU color compounds are produced.

상기와 같은 방법으로 제조된 다양한 색상의 TPU 컬러 컴파운드는 통상의 호퍼에 각각 개별적으로 저장되는데, 구체적으로는 노랑색 TPU 컬러 컴파운드가 저장되는 호퍼와, 빨강색 TPU 컬러 컴파운드가 저장되는 호퍼와, 녹색 TPU 컬러 컴파운드가 저장되는 호퍼를 각각 개별적으로 구성하며, 이 각 호퍼에는 통상의 실린더가 각각 개별적으로 설치된다. The TPU color compounds of various colors prepared in the above manner are individually stored in a conventional hopper. Specifically, a hopper in which a yellow TPU color compound is stored, a hopper in which a red TPU color compound is stored, a green TPU And the hopper in which the color compound is stored are individually constituted, and each of the ordinary cylinders is individually installed in each hopper.

이와 같이 각각의 호퍼에는 TPU 컬러 컴파운드가 개별적으로 투입되며, 상기 각 TPU 컬러 컴파운드는 실린더의 내부로 유입되어 용융된 후, 통상의 원사가 통과하는 하나의 다이스에 공급되며, 상기 다이스를 통과하는 통상의 원사(예를 들어, 폴리에스테르 원사)의 외주면에는 용융된 노랑색의 TPU 컬러 컴파운드와 빨강색의 TPU 컬러 컴파운드 및 녹색의 TPU 컬러 컴파운드가 코팅가 동시에 코팅처리되어진다.Thus, each TPU color compound is injected into each hopper, and each of the TPU color compounds is supplied to one die through which ordinary yarn passes after being introduced into the cylinder and melted, The outer surface of the yarn (e.g., polyester yarn) of the yarn is coated with a melted yellow TPU color compound, a red TPU color compound, and a green TPU color compound at the same time.

즉, 상기와 같은 과정을 통해 본 발명의 멀티 컬러 TPU 코팅사가 제조되는데, 구체적으로는 원사의 외주면에는 적어도 하나 이상의 컬러 코팅층이 형성된다. 바람직하게는, 도 1a 내지 도 1f에서 보는 바와 같이 본 발명의 멀티 컬러 TPU 코팅사는 2~7개의 코팅층이 각각 개별적으로 분할하여 원사의 표면에 형성되어진다.That is, the multi-color TPU coated yarn of the present invention is produced through the above-described process. Specifically, at least one color coating layer is formed on the outer circumferential surface of the yarn. Preferably, as shown in Figs. 1A to 1F, the multi-color TPU coating yarn of the present invention is formed by dividing 2 to 7 coating layers individually on the surface of the yarn.

Claims (2)

멀티 컬러 TPU 코팅사에 있어서,
원사의 외주면을 따라 적어도 하나 이상의 컬러 코팅층이 분할하여 형성된 것을 특징으로 하는 멀티 컬러 TPU 코팅사.
In multicolor TPU coated yarn,
Characterized in that at least one color coating layer is divided and formed along the outer circumferential surface of the yarn.
멀티 컬러 TPU 코팅사에 있어서,
호퍼에 다양한 색상을 가지는 TPU 컴파운드를 저장하되, 상기 TPU 컴파운드를 컬러별로 각각의 호퍼를 개별적으로 구성하며, 상기 각 호퍼에는 각 실린더가 개별적으로 설치되고, 상기 각각의 실린더는 원사가 통과하는 한 개의 다이스와 연결되며, 상기 다이스를 통과하는 원사의 표면에 상기 용융된 각각의 TPU 컴파운드가 코팅되어 다양한 컬러가 원사의 외주면을 따라 분할하여 형성되는 것을 특징으로 하는 멀티 컬러 TPU 코팅사.
In multicolor TPU coated yarn,
A method of storing a TPU compound having various colors in a hopper, wherein the TPU compound separately constitutes each hopper by color, each cylinder being individually installed in each hopper, each cylinder having one Wherein each of the melted TPU compounds is coated on a surface of a yarn passing through the dice so that various colors are formed along the outer circumferential surface of the yarn.
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