KR101866776B1 - Process Of Producing High Tenacity Polyolefin Filament Having Exellent Color Property And Process Of Producing Fabrics Using Thereby - Google Patents
Process Of Producing High Tenacity Polyolefin Filament Having Exellent Color Property And Process Of Producing Fabrics Using Thereby Download PDFInfo
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
- D01F8/06—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyolefin as constituent
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/28—Formation of filaments, threads, or the like while mixing different spinning solutions or melts during the spinning operation; Spinnerette packs therefor
- D01D5/30—Conjugate filaments; Spinnerette packs therefor
- D01D5/34—Core-skin structure; Spinnerette packs therefor
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/04—Pigments
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/10—Other agents for modifying properties
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- 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
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- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
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- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
- D03D15/20—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads
- D03D15/283—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the material of the fibres or filaments constituting the yarns or threads synthetic polymer-based, e.g. polyamide or polyester fibres
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- D—TEXTILES; PAPER
- D03—WEAVING
- D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
- D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
- D03D15/50—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the properties of the yarns or threads
- D03D15/573—Tensile strength
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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
- D10B2321/00—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D10B2321/02—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polyolefins
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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
- D10B2401/06—Load-responsive characteristics
- D10B2401/063—Load-responsive characteristics high strength
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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
- D10B2401/14—Dyeability
Abstract
본 발명은 염색이 어려운 UHMWPE섬유 등 고강도 폴리올레핀계섬유의 컬러발현을 위해 쉬스코어방법으로 방사하여 쉬스부분인 표면에만 컬러발현이 가능한 고강도 섬유와 이를 활용하여 산업용 및 생활용 원단을 제조하는 방법에 관한 것으로서 본 발명에 의해 컬러발현이 표면에만 가능한 코팅형태의 고강도 섬유를 제조함으로써 물성저하없이 다양한 색상을 가지는 고강도 폴리올레핀계섬유를 제공할 수 있으며 쉬스면의 경도향상을 통하여 내스크레치성 발현을 할 수 있다.The present invention relates to a high-strength fiber capable of color development only on the surface of a sheath portion by spinning using a sheath method for color development of a high-strength polyolefin-based fiber such as UHMWPE fiber which is difficult to dye, and a method for manufacturing industrial and living fabric According to the present invention, it is possible to provide a high-strength polyolefin-based fiber having various colors without deteriorating physical properties by producing a high-strength fiber having a coating type only on the surface of which color development is possible, and can exhibit scratch resistance through improvement of hardness of the sheath surface.
Description
본 발명은 염색이 어려운 UHMWPE섬유 등 고강도 폴리올레핀계섬유의 컬러발현을 위해 쉬스코어방법으로 방사하여 쉬스부분인 표면에 접착력이 우수한 올레핀계 고분자수지를 형성하여 컬러발현 또는 올레핀계 수지코팅이 가능한 고강도 섬유와 이를 활용하여 산업용 및 생활용 원단을 제조하는 방법에 관한 것이다.The present invention relates to a high strength fiber capable of color development or olefin resin coating by forming an olefin polymer resin having excellent adhesive strength on the surface of a sheath portion by spinning by a sheath method for color development of high strength polyolefin fibers such as UHMWPE fibers, And a method for manufacturing industrial and living fabric using the same.
섬유의 색상발현을 위한 공정으로는 첫째로 섬유 제조시 원료내에 안료를 첨가하는 원착공정, 둘째로 실 또는 직물 형태에서 염료에 의한 고온 염색공정, 셋째로 안료 또는 염료가 함유된 조제의 코팅공정이 있다. Processes for color development of fibers include, firstly, a process of adding pigment into a raw material in the production of fiber, secondly a high-temperature dyeing process in dye or yarn form, and a coating process of a pigment or dye- .
원착에 의한 색상부여 방법은 천연 섬유를 제외한 재생, 반합성, 합성섬유와 같은 용해 또는 용융에 의해 고체인 섬유가 액체와 같은 상태로 변형시킨 후 색소 배합으로 적용될 수 있는 방법이다. 하지만 천연섬유 또는 내열성 및 고성능 섬유에서는 상태변화가 매우 어려우며 배합되는 색소가 상태변화를 위한 가혹한 조건으로 인해 변색될 우려가 있고 색상 수가 제한되므로 특수한 경우에만 적용되고 있으며 높은 단가로 인해 사용이 제한적이다.The method of imparting color by original attachment is a method which can be applied as dyeing after the solid fiber is transformed into a liquid like state by dissolution or melting such as regeneration, semi-synthetic, synthetic fiber except natural fiber. However, it is very difficult to change the state of natural fibers or heat-resistant and high-performance fibers, and the pigment to be blended may be discolored due to harsh conditions for changing the condition, and the number of colors is limited, so it is applied only in special cases.
그리고 고온에 의한 염색공정은 고분자로 이루어진 섬유의 비결정영역에 염료가 침투하여 반응 또는 흡착시켜 색상을 발현시켜며 가장 일반적인 공정이다. 이때 염료 이외에 균염제, 첨가제, 산 또는 알칼리 조절제 등의 화학약품이 첨가되며 염료가 침투하기 용이하게 높은 열이 수반되어야 색상을 발현할 수 있다. 또한 섬유소재가 하나의 성분으로 되어 있다면 매우 용이한 방법이지만 다른 성분의 섬유소재가 혼방된 실 또는 원단의 경우 섬유소재에 따라 염료선정, 염색공정 및 후가공의 가공조건이 달라지기 때문에 물 사용이 많아지고 가공 후 폐수처리에 대한 부담이 커진다.And the dyeing process by high temperature is the most general process in which the dye penetrates into the amorphous region of the polymer fiber and reacts or adsorbs it to develop color. At this time, chemical agents such as leveling agent, additives, acid or alkali controlling agent are added in addition to the dye, and the color can be expressed only when high heat is easily applied to the dye. If the fiber material is a single component, it is a very easy method. However, in the case of yarns or fabrics mixed with other fiber materials, since the processing conditions of dye selection, dyeing process and post- The burden on the wastewater treatment after the ladle processing increases.
또한 색상 코팅 공정은 기존에 고온의 열경화에 의한 코팅으로 낮은 단가, 다양한 색상 구현에 장점이 있지만 섬유와 코팅액의 접착력 불량으로 마찰견뢰도가 매우 미흡하고 수지의 열 용융 또는 저점도 수지의 함침과 열경화 방식에 의한 높은 열을 사용하고 공정상 많은 문제점 발생하기 때문에 생산속도가 느려 양산화 가능성이 낮다.In addition, the color coating process has a merit in low cost and various color implementation due to the coating by high temperature thermal curing. However, due to poor adhesive force between the fiber and the coating liquid, the friction fastness is insufficient and the resin is thermally melted or impregnated with low- Since it uses high heat by curing method and causes many problems in the process, the production speed is slow and the possibility of mass production is low.
의류용 섬유로 사용되는 일반 섬유 중 천연에서 얻어지는 면, 양모, 실크, 마 등이 천연섬유이고 천연섬유인 면에서 화학변화를 통해 재생된 레이온 섬유가 재생섬유로 분류되고 합성섬유로는 폴리에틸렌테레프탈레이트(PET), 폴리트리에틸렌테레프탈레이트(PTT), 양이온 염료 가염 폴리에틸렌테레프탈레이트(Cation dyeable PET,CDP), 나일론(Nylon), 아크릴(Acrylic), 스판덱스(Spandex) 섬유 등이 있다. 셀룰로스계의 천연섬유인 면, 마,레이온 등은 반응성 염료로, 양모, 실크, 나일론 섬유는 산성 염료로, 아크릴과 모다아크릴 섬유는 양이온 염료로, PET 섬유는 분산염료로 고온 염색방법으로 각각의 염색조건으로 색상발현을 시킨다.Among ordinary fibers used as clothing fibers, natural fibers such as cotton, wool, silk, and hemp are natural fibers. Regenerated fibers are regenerated through chemical changes on the natural fiber surface, and synthetic fibers include polyethylene terephthalate (PET), polytetraethylene terephthalate (PTT), cationic dyeable PET (CDP), nylon, acrylic, and spandex fibers. The natural fibers such as cotton, hemp, rayon and the like of cellulose type are reactive dyes, wool, silk and nylon fibers are used as acid dyes, acryl and modacrylic fibers are used as cationic dyes, and PET fibers are used as dispersion dyes, And color expression is performed under the dyeing conditions.
산업용으로 사용되는 섬유는 물성, 내열성 또는 기타 기능성을 향상시킨 섬유로서 기존에 상용화된 염료 및 기타 첨가제, 열수에 의한 염색공정으로는 색상발현하기 어렵다. 이는 섬유고분자가 강직한 고분자쇄로 구성되어 있거나 염료와 반응할 수 없는 화학구조로 되어 있어서 염료의 침투 및 내구성이 부족하기 때문이다. 이러한 섬유로는 초고분자량 폴리에틸렌(Ultra High Molecular WeighPolyethylene, UHMWPE), 아라미드 섬유, 탄소섬유, 폴리이미드(Polyimide, PI), 폴리벤즈옥사졸(Polybenzoxazole, PBO), 폴리벤즈이미다졸(Polybenzimidazole, PBI) 등이 있으며, 위와 같은 문제로 의류용 보다 산업용에 많이 사용된다.The fibers used for industrial use have improved physical properties, heat resistance, or other functionalities, and are difficult to develop in color by dyeing with conventional dyes and other additives or hot water. This is because the fiber polymer is composed of a rigid polymer chain or has a chemical structure that can not react with the dye, resulting in lack of dye penetration and durability. Such fibers include ultra high molecular weight polyethylene (UHMWPE), aramid fiber, carbon fiber, polyimide (PI), polybenzoxazole (PBO), polybenzimidazole And it is used for industrial use more than clothing for the above problems.
이렇듯 UHMWPE섬유 등 고강도 폴리올레핀계섬유는 염색이 어려워 원착사로 사용하거나 염색하지 않은 상태로 사용하는 등 색상발현에 어려움이 있어 이를 해결하기 위하여 고강도 폴리올레핀계섬유의 표면을 PVC 또는 동일한 올레핀계 수지로 코팅하는 방법이 제시되었으나 이러한 방법은 올레핀계 수지의 특성상 심사로 사용되는 원사부분과 컬러발현을 위한 외층의 코팅부분의 접착력이 약하여 사용시 코팅부분이 쉽게 분리되는 문제점이 있었다. 이는 컬러발현 뿐만 아니라 코팅 및 라미네이팅 공정에서도 발생되며 이를 해결하기 위하여 표면처리 방법이 다양하게 요구되어 왔다.As such, high strength polyolefin fibers such as UHMWPE fibers are difficult to dye because they are difficult to dye because they are difficult to dye because they are used as original yarn or not dyed. To solve this problem, the surface of high strength polyolefin fibers is coated with PVC or the same olefin resin However, this method has a problem that since the adhesive strength between the yarn part used for the examination and the coated part of the outer layer for color development is weak due to the characteristics of the olefin resin, the coated part is easily separated during use. This phenomenon occurs not only in color development but also in coating and laminating processes, and various surface treatment methods have been required to solve the problems.
그러므로 본 발명에 의하면, 상기 종래기술의 문제점을 해결하여 쉬스코어형태로 방사하는 방식으로 컬러발현이 가능한 쉬스부분을 코어부분인 고강도 폴리올레핀계섬유와 접착력이 향상되도록 복합방사함으로써 물성저하없이 다양한 색상을 가지는 고강도 폴리올레핀계섬유를 제공하는 것을 기술적과제로 한다. Therefore, according to the present invention, the sheath portion capable of color development by radiating in a sheath type by solving the problems of the above-mentioned prior art is combinedly spin-coated with the high strength polyolefin-based fiber as the core portion so as to improve the adhesive strength, A high strength polyolefin-based fiber.
그러므로 본 발명에 의하면, 코어부분을 고강도 폴리올레핀계 폴리머로, Therefore, according to the present invention, the core portion is made of a high-strength polyolefin-
쉬스부분을 폴리프로필렌 85~93중량%, 에틸렌아크릴릭액시드 단독, 에틸렌아크릴릭액시드―TPO(Thermo plastic olefin)의 혼합물, 에틸렌아크릴릭액시드―EVA(Polyethylene vinylacetate)의 혼합물 중 어느 하나가 5~10중량%, 첨가제 1~2중량%, 잔부로서 안료를 함유한 혼합폴리머로 하여 쉬스코어방사하는 것을 특징으로 하는 컬러발현성이 우수한 고강도 폴리올레핀계섬유의 제조방법이 제공된다.The sheath portion is made of polypropylene in an amount of 85 to 93% by weight, the ethylene acrylic acid alone, the mixture of ethylene acrylic acid-TPO (thermo plastic olefin) and the mixture of ethylene acrylic acid-EVA (polyethylene vinylacetate) By weight based on the total weight of the composition, 1 to 2% by weight of an additive, and the balance is a mixed polymer containing a pigment as a remainder.
이하 본 발명을 보다 상세히 설명하기로 한다.Hereinafter, the present invention will be described in more detail.
본 발명은 염색이 어려운 UHMWPE섬유 등 고강도 폴리올레핀계섬유의 컬러발현을 위해 쉬스코어방법으로 방사하여 쉬스부분인 표면에만 컬러발현이 가능한 고강도 섬유를 제조하는 방법에 관한 것이다.The present invention relates to a method for producing a high strength fiber capable of color development only on the surface of a sheath portion by spinning by a shear method for color development of high strength polyolefin type fibers such as UHMWPE fibers which are difficult to dye.
본 발명의 컬러발현성이 우수한 고강도 폴리올레핀계섬유의 제조방법은 코어부분을 고강도 폴리올레핀계 폴리머로, 쉬스부분을 에틸렌아크릴릭액시드 단독, 에틸렌아크릴릭액시드―TPO의 혼합물, 에틸렌아크릴릭액시드―EVA의 혼합물 중 어느 하나, 폴리프로필렌, 첨가제, 잔부로서 안료를 함유한 혼합폴리머로 하여 쉬스코어방사한다. The method for producing a high-strength polyolefin-based fiber excellent in color development property of the present invention is characterized in that the core portion is a high strength polyolefin polymer, the sheath portion is an ethylene acrylic acid alone, a mixture of ethylene acrylic acid-TPO, The mixture is shredded using any one of the mixture, polypropylene, additives, and a pigment containing the remainder as a mixed polymer.
상기 코어부분의 고강도 폴리올레핀계 폴리머는 MI(Melt index) 8g/min 이하의 고점도 폴리프로필렌, MI 8g/min이하의 고밀도 폴리에틸렌, UHMWPE 중 어느 하나인 것이 바람직하다. 상기 코어부분의 고강도 폴리올레핀계 폴리머는 상기 코어부분의 고강도 폴리올레핀계 폴리머는 방사 후 연신전 방사섬유의 인장강도가 4~6g/de인 것을 사용하는 것이 강도가 우수하고 열적안정성이 우수하여 본 발명의 컬러발현성이 우수한 고강도 폴리올레핀계섬유의 쉬스부분과의 점도차이에 의한 방사성이 우수하며 기본적인 물성을 발현할 수 있다.The high-strength polyolefin-based polymer in the core portion is preferably any one of high-viscosity polypropylene having a MI (melt index) of 8 g / min or less, high-density polyethylene having a MI of 8 g / min or less, or UHMWPE. The high-strength polyolefin-based polymer of the core portion is preferably a high-strength polyolefin-based polymer having a tensile strength of 4 to 6 g / de of the spinning fiber before spinning and having excellent strength and excellent thermal stability. The high-strength polyolefin-based fiber having excellent color developability is excellent in radioactivity due to the viscosity difference with the sheath portion and can exhibit basic properties.
상기 쉬스부분의 혼합폴리머는 폴리프로필렌 85~93중량%, 에틸렌아크릴릭액시드 단독, 에틸렌아크릴릭액시드―TPO(Thermo plastic olefin)의 혼합물, 에틸렌아크릴릭액시드―EVA(Polyethylene vinylacetate)의 혼합물 중 어느 하나가 5~10중량%, 첨가제 1~2중량%, 잔부로서 안료를 함유한 혼합폴리머를 사용하는 것이 바람직하며, 이 때 쉬스부분의 경도는 쇼어경도 B 이상을 발현해야 한다. 에틸렌아크릴릭액시드는 쉬스부분에서 외부충격에 저항하는 작용을 하는데, 5중량%미만에서는 경도를 발현하지 못하고 코어부분과 박리되는 문제점이 발생하며 10중량%를 초과하면 쉬스와 코어의 경계가 무너져 쉬스코어형태가 발현되지 않는 문제점이 발생한다. The mixed polymer in the sheath portion may be any one of a mixture of 85 to 93% by weight of polypropylene, a mixture of ethylene acrylic acid alone, a mixture of ethylene acrylic acid-TPO (Thermo plastic olefin), and a mixture of ethylene acrylic acid-EVA (Polyethylene vinylacetate) And 5 to 10% by weight of an additive and 1 to 2% by weight of an additive, and the balance is a mixed polymer containing a pigment. In this case, the hardness of the sheath portion should exhibit a Shore hardness B or higher. The ethylene acrylic acid solution acts to resist external impact in the sheath portion. When the amount is less than 5% by weight, hardness is not exhibited and a problem of peeling from the core portion occurs. When the amount exceeds 10% by weight, the boundary between the sheath and core is broken, There is a problem that the shape is not expressed.
에틸렌아크릴릭액시드는 상기 폴리프로필렌 폴리머 및 아크릴비닐아세테이트와 크로스링크를 형성할 수 있어 바인더역할을 하여 코어부분과 접착력이 우수하며. 에틸렌아크릴릭액시드 코폴리머는 MI 18이하이며 아세테이트 함량이 20% 이상인 것이 바람직하다.The ethylene acrylic acid liquid can form a cross link with the polypropylene polymer and acrylic vinyl acetate, and thus acts as a binder, and has excellent adhesion to the core portion. The ethylene acrylic acid copolymer preferably has a MI of 18 or less and an acetate content of 20% or more.
첨가제는 UV안정제, TiO2, 대전방지제 등을 사용할 수 있다.As the additive, a UV stabilizer, TiO 2 , an antistatic agent and the like can be used.
본 발명에서 쉬스-코어의 중량비는 1:9~0.5:9.5인 것이 바람직하다. In the present invention, the weight ratio of the sheath-core is preferably 1: 9 to 0.5: 9.5.
본 발명에서는 상기와 같이 코어부분과 쉬스부분으로 쉬스코어방사하는데, 방사방법은 공지의 쉬스코어 방사방법과 동일한 방법으로 방사한다. 별도의 익스트루더에 코어용 폴리머와 쉬스용 폴리머를 용융시킨후 쉬스코어형 방사구금을 통해 도 1과 같은 단면형태로 복합방사, 연신 및 권취하여 쉬스코어형 고강도 폴리올레핀계섬유를 제조한다.In the present invention, sheath-like radiation is performed by the core portion and the sheath portion as described above, and the radiation method is the same as the known sheath-core radiation method. The polymer for core and the sheath polymer are melted in a separate extruder, and the sheath-type high-strength polyolefin-based fiber is produced by composite spinning, stretching and winding in the cross-sectional form shown in Fig. 1 through a shear-type spinneret.
본 발명에서는 상기 제조된 컬러발현성이 우수한 고강도 폴리올레핀계섬유를 사용하여 다양한 색상을 가지는 고강도 올레핀계 원단을 제조할 수 있다.In the present invention, high-strength olefin-based fabrics having various colors can be produced using the high-strength polyolefin-based fibers having excellent color developability.
그러므로 본 발명에 의하면, 컬러발현이 표면에만 가능한 코팅형태의 고강도 섬유를 제조함으로써 물성저하없이 다양한 색상을 가지는 고강도 폴리올레핀계섬유를 제공할 수 있으며 쉬스면의 경도향상을 통하여 내스크레치성 발현이 가능하다.Therefore, according to the present invention, it is possible to provide a high-strength polyolefin-based fiber having various colors without deteriorating physical properties by producing a high-strength fiber having a coat type only on the surface of which color development is possible, and the scratch- .
도 1은 본 발명의 쉬스-코어형 합성섬유의 단면형태의 모식도이며,
도 2는 본 발명에 의해 제조된 고강도 폴리올레핀계섬유의 표면사진이다.
도 3은 본 발명에 의해 제조된 고강도 폴리올레핀계섬유의 단면사진이다.Fig. 1 is a schematic view of the cross-sectional shape of the sheath-core type synthetic fiber of the present invention,
2 is a photograph of the surface of the high-strength polyolefin-based fiber produced by the present invention.
3 is a cross-sectional photograph of the high-strength polyolefin-based fiber produced by the present invention.
다음의 실시예에서는 본 발명의 컬러발현성이 우수한 고강도 폴리올레핀계섬유를 제조하는 비한정적인 예시를 하고 있다.The following examples illustrate non-limiting examples of producing the high-strength polyolefin-based fibers excellent in color developability of the present invention.
[실시예 1][Example 1]
쉬스-코어형 복합섬유 제조용 복합 방사장치에 폴리프로필렌 93%, TPO―에틸렌아크릴릭액시드 5중량%, 첨가제 1%, 잔부로서 안료를 함유한 혼합폴리머를 쉬스부 형성용 폴리머로 공급함과 동시에 고강도 폴리올레핀계 폴리머(초고분자량 폴리에틸렌 수지)를 코어부형성용 폴리머로 공급하여 쉬스코어비를 1:9로 하여 도 1과 같은 단면형태로 160℃로 복합방사, 연신 및 권취하여 쉬스-코어형 합성섬유를 제조하였다. 제조된 고강도 폴리올레핀계섬유의 물성은 표 1과 같으며, 표면사진은 도 2와 같다.A mixed polymer containing 93% of polypropylene, 5% by weight of TPO-ethylene acrylic acid and 1% of additives as a remainder and a pigment as a remainder was supplied to a composite sheath-forming polymer for producing a sheath-core type composite fiber, Core type synthetic fiber was produced by composite spinning, stretching and winding at 160 DEG C in a cross-sectional form as shown in Fig. 1 at a sheath ratio of 1: 9 by supplying a polymer (ultrahigh molecular weight polyethylene resin) Respectively. The physical properties of the prepared high-strength polyolefin-based fibers are shown in Table 1, and a photograph of the surface is shown in Fig.
1 :코어 2 : 쉬스1: Core 2: Sheath
Claims (4)
쉬스부분을 폴리프로필렌 85~93중량%, 에틸렌아크릴릭액시드 단독, 에틸렌아크릴릭액시드―TPO(Thermo plastic olefin)의 혼합물, 에틸렌아크릴릭액시드―EVA(Polyethylene vinylacetate)의 혼합물 중 어느 하나가 5~10중량%, 첨가제 1~2중량%, 잔부로서 안료를 함유한 혼합폴리머로 하여 방사시 쉬스:코어 부분의 중량비가 1:9~0.5:9.5가 되도록 쉬스코어방사하는 것을 특징으로 하는 컬러발현성이 우수한 고강도 폴리올레핀계섬유의 제조방법.The core portion is a high strength polyolefin polymer,
The sheath portion is made of polypropylene in an amount of 85 to 93% by weight, the ethylene acrylic acid alone, the mixture of ethylene acrylic acid-TPO (thermo plastic olefin) and the mixture of ethylene acrylic acid-EVA (polyethylene vinylacetate) By weight of an additive, 1 to 2% by weight of an additive, and the remainder is a pigment-containing mixed polymer, and the weight ratio of the sheath: core portion in the spinning is 1: 9 to 0.5: 9.5. (Method for producing excellent high strength polyolefin type fiber).
상기 코어부분의 고강도 폴리올레핀계 폴리머는 방사 후 연신전 방사섬유의 인장강도가 4~6g/de인 것을 특징으로 하는 컬러발현성이 우수한 고강도 폴리올레핀계섬유의 제조방법.The method according to claim 1,
Wherein the high-strength polyolefin-based polymer in the core portion has a tensile strength of 4 to 6 g / de of the spinning fiber before spinning and before stretching.
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