KR101501255B1 - Process Of Producing Sheath／Core Type Fine Filament Having Excellent Blockng Transmission And UV―Protection - Google Patents
Process Of Producing Sheath／Core Type Fine Filament Having Excellent Blockng Transmission And UV―Protection Download PDFInfo
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- KR101501255B1 KR101501255B1 KR1020130049321A KR20130049321A KR101501255B1 KR 101501255 B1 KR101501255 B1 KR 101501255B1 KR 1020130049321 A KR1020130049321 A KR 1020130049321A KR 20130049321 A KR20130049321 A KR 20130049321A KR 101501255 B1 KR101501255 B1 KR 101501255B1
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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
- D01F8/14—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyester as constituent
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/20—Compounding polymers with additives, e.g. colouring
- C08J3/22—Compounding polymers with additives, e.g. colouring using masterbatch techniques
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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
- D01D10/00—Physical treatment of artificial filaments or the like during manufacture, i.e. during a continuous production process before the filaments have been collected
- D01D10/02—Heat treatment
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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
- D01D5/08—Melt spinning methods
- D01D5/088—Cooling filaments, threads or the like, leaving the spinnerettes
- D01D5/092—Cooling filaments, threads or the like, leaving the spinnerettes in shafts or chimneys
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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
- D01D5/08—Melt spinning methods
- D01D5/096—Humidity control, or oiling, of filaments, threads or the like, leaving the spinnerettes
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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
- D01F1/10—Other agents for modifying properties
- D01F1/106—Radiation shielding agents, e.g. absorbing, reflecting agents
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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
- D10B2331/00—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
- D10B2331/04—Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products polyesters, e.g. polyethylene terephthalate [PET]
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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
- D10B2401/22—Physical properties protective against sunlight or UV radiation
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Abstract
본 발명은 비침방지 및 자외선차단성이 우수한 쉬쓰/코어형 복합필라멘트의 제조방법에 관한 것으로서 기존 나일론 경량직물의 기본기능을 만족하면서, 방사시 사절방지가 어렵고, 홀막힘 현상이 자주 일어나며, 강도저하의 문제점을 해결하면서 은은한 광택, 자외선 차단, 비침방지 효과가 있는 세섬도 복합필라멘트를 제공할 수 있다.The present invention relates to a method for producing a sheet / core type composite filament having excellent non-blocking and ultraviolet light shielding properties, which satisfies the basic functions of a conventional nylon lightweight fabric and is difficult to prevent threading during spinning, frequent hole clogging, It is possible to provide a composite filament of three-fineness having a soft gloss, an ultraviolet shielding effect and a non-blocking effect.
Description
본 발명은 비침방지 및 자외선차단성이 우수한 쉬쓰/코어형 복합필라멘트의 제조방법에 관한 것으로서 기존 나일론 경량직물의 기본기능을 만족하면서, 고광택, UV차폐, 비침방지 효과가 있는 세섬도 복합필라멘트를 제공하는 방법에 관한 것이다.The present invention relates to a method for producing a composite filament of a sheath / core type excellent in non-blocking property and ultraviolet light shielding property, and is provided with a composite filament having three finenesses having high gloss, UV shielding and anti-blocking effect while satisfying basic functions of a conventional nylon lightweight fabric .
최근 섬유업계에서는 소비자들의 기능성, 착용감, 패션성을 중요시하는 욕구에 부응하여 기능성 섬유와 관련된 연구개발이 증가하고 있는 추세이다. 특히 소비자들의 야외활동이 증가하고, 평상복으로의 활용도가 높아짐에 따라, 기존 스포츠웨어 기능을 유지하면서 다양한 기능을 가진 스포츠 아웃도어용 바람막이 및 다운자켓등이 개발되고 있다.Recently, in the textile industry, research and development related to functional fibers have been increasing in response to the desire to emphasize the functionality, fit, and fashion of consumers. Particularly, as the outdoor activities of consumers are increasing and the utilization of them as casual wears is increasing, a windshield and a down jacket for a sport outdoor having various functions while maintaining the existing sportswear function are being developed.
이러한 스포츠웨어용 제품은 합섬소재를 이용하여 골프웨어용, 바람막이용, 다운프루프용, 등산용, 각종 스포츠제품으로 상품전개가 이루어지고 있으며, 그 제품의 지속적인 트랜드는 경량화에 있다. 이러한 스포츠 아웃도어용 바람막이 및 다운자켓용 직물에서 가장 많이 채용되고 있는 소재는 세섬도 나일론필라멘트로서 세미덜(Semi-Dull), 브라이트(Bright)등의 원사를 주로 사용하고 있다. These sports wear products are being developed into various sports products by using synthetic materials, such as golf wear, windshield, down-proof, mountain climbing, and the like, and the continuous trend of the products is lightweight. The most widely used materials for these sports outdoors windshield and down jacket fabrics are mainly nylon filament yarns such as Semi-Dull and Bright yarn.
그러나 이러한 세섬도 나일론을 원사로 하는 경량박지직물의 가장 큰 취약점은 자외선(UV) 투과 및 비침 문제점이 발생되고 있으나, 현재 적용되고 있는 자외선 차단(UV-Cut) 기능을 부여하기 위한 기술은 대부분 후가공(코팅)에 의존하고 있는 현실이다.However, most of the weaknesses of lightweight paper fabrics using these nylon yarns as a yarn are the problems of ultraviolet (UV) penetration and non-penetration. However, most of the techniques for imparting the ultraviolet (UV) (Coating).
이에 대한민국공개특허 제1998-068467호에서는 TiO2 입자 함량이 다른 2종의 폴리머로 구성되고, 심성분의 TiO2 입자 함량이 심성분 폴리머에 대하여 1.0∼9.0 중량%이고, 초성분의 TiO2 입자 함량이 초성분 폴리머에 대하여 0.3∼0.5 중량%임을 특징으로 하는 심초형 복합사를 제공하여 투과율이 낮아서 속이 비치지 않는 백색 수영복과 같이 저투과율을 요구하는 의류의 제조에 적합한 복합사를 제공하고 있다.The Republic of Korea Patent Application Publication No. 1998-068467 In the call content of TiO 2 particles are composed of polymers of the other two species, the TiO 2 particle content of the core component is 1.0~9.0% by weight based on the core component polymer, a second component TiO 2 particles, The present invention provides a composite yarn suitable for the manufacture of a garment requiring a low transmittance such as a white bathing suit which is low in transmittance and does not shine because of providing a core-sheath type composite yarn with a content of 0.3 to 0.5 wt%
그러나 상기 선행기술에서는 초성분이 TiO2 입자를 함유하고 있어 방사시 사절방지가 어렵고, 홀막힘 현상이 자주 일어나며, 강도저하의 문제점을 가지고 있어 120d/12f와 같은 태섬도 복합섬유의 제조에 그치고 있어 경량박지직물의 제조에는 부적합하였다. 또한, 무기미립자로 인하여 나일론 고유의 터치감을 유지하기 어려운 문제점을 안고 있었다.However, in the above-mentioned prior art, since the supercritical component contains TiO 2 particles, it is difficult to prevent threading during spinning, frequent hole clogging occurs, and there is a problem of strength deterioration. Lt; RTI ID = 0.0 > fabric. ≪ / RTI > In addition, there is a problem that it is difficult to maintain the touch feeling inherent to nylon due to the inorganic fine particles.
따라서 본 발명에서는 기존 나일론 경량직물의 기본기능을 만족하면서, 방사시 사절방지가 어렵고, 홀막힘 현상이 자주 일어나며, 강도저하의 문제점을 해결하면서 고광택, UV차폐, 비침방지 효과가 있는 세섬도 복합필라멘트를 제공함으로써 기존 나일론 직물에서 볼 수 없는 비침방지, 광택특성을 가지는 자외선차단성이 우수한 쉬쓰/코어형 복합필라멘트의 제조방법을 제공하는 것을 기술적과제로 한다. Therefore, in the present invention, the three-fiber composite filament satisfying the basic functions of the existing nylon lightweight fabric and having high gloss, UV shielding and non-blocking property while preventing the threading of filaments, Core type composite filament which is excellent in ultraviolet light shielding property having a non-blocking property and gloss characteristic which can not be found in conventional nylon fabrics.
그러므로 본 발명에 의하면, 쉬쓰/코어형 복합필라멘트의 제조방법에 있어서,Therefore, according to the present invention, in the method for producing the sheath / core type composite filament,
상기 코어성분으로 분산제, 이산화티탄 입자를 폴리에틸렌테레프탈레이트(PET) 수지에 용융 혼련하여 분산시킨 마스터배치칩을 공급하여 용융시키고,A master batch chip in which a dispersant and titanium dioxide particles are melted and kneaded in a polyethylene terephthalate (PET) resin and dispersed is supplied and melted as the core component,
상기 쉬쓰성분으로 나일론 6수지를 포함하는 폴리아마이드계 폴리머를 공급하여 쉬쓰코어형방사구금을 통하여 방사온도 290~300℃에서 동시에 용융방사하고,A polyamide-based polymer containing nylon 6 resin was supplied as the sheath component, melt-spun at a spinning temperature of 290 to 300 占 폚 through a sheath core type spinneret,
사조를 구금직하의 사조냉각구간을 통과시키면서 냉각시킨 후 오일부여 및 집속을 하고 고뎃롤러 속도 1,390~1,450m/min, 권취속도 3,900~4,050m/min의 연신비 2.80~3.58 비율로 권취하여 25d/12f~50d/24f의 쉬쓰/코어형 복합필라멘트를 제조하는 것을 특징으로 하는 것을 특징으로 하는 비침방지 및 자외선 차단성이 우수한 쉬쓰/코어형 복합필라멘트의 제조방법이 제공된다.
The oil was cooled while passing through the pre-cryogenic cooling zone, and then the oil was added and concentrated. The stretching ratio was 2.80 to 3.58 at a Godet roller speed of 1,390 to 1,450 m / min and a winding speed of 3,900 to 4,050 m / Core type composite filaments which are excellent in blocking resistance and ultraviolet light shielding property, characterized in that the sheath /
이하 본 발명을 보다 상세히 설명하기로 한다.Hereinafter, the present invention will be described in more detail.
본 발명은 2종의 폴리머성분을 동일한 방사구금을 통하여 동시에 방사하여 쉬쓰/코어형 복합필라멘트를 제조하는 복합방사방법에 관한 것으로서, 특히 코어성분으로 이산화티탄 입자를 함유하는 폴리에틸렌테레프탈레이트(PET) 수지와, 쉬쓰성분으로 나일론 6수지를 포함하는 폴리아마이드계 폴리머로 이루어진 쉬쓰/코어형 복합필라멘트로서 UV차폐성의 내구성 및 비침방지 효과를 가지고, 나일론 고유의 터치감을 유지할 수 있는 세섬도 필라멘트에 관한 것이다.
The present invention relates to a composite spinning method for producing a sheath / core type composite filament by simultaneously spinning two kinds of polymer components through the same spinneret, and more particularly, to a composite spinning method in which a polyethylene terephthalate (PET) resin Core type composite filaments composed of a polyamide-based polymer containing a nylon 6 resin as a sheath component and having durability and anti-scattering effect of UV shielding and capable of maintaining a touch feeling inherent to nylon.
본 발명의 쉬쓰/코어형 복합필라멘트의 제조방법에서 코어성분으로는 분산제, 이산화티탄 입자를 함유하는 폴리에틸렌테레프탈레이트(PET) 수지를 사용하여 본 발명의 쉬쓰/코어형 복합필라멘트의 자외선차단 및 비침방지 물성을 발현할 수 있다. 상기 코어성분의 조성은 분산제 1~5중량%, 이산화티탄 0.1~5 중량% 및 잔부로서 폴리에틸렌테레프탈레이트(PET)수지로 이루어진 것이 바람직하다. In the method for producing a sheet / core type composite filament according to the present invention, a polyethylene terephthalate (PET) resin containing a dispersing agent and titanium dioxide particles is used as a core component to prevent sunscreen / core type composite filaments of the present invention from ultraviolet blocking and non- Physical properties can be expressed. The composition of the core component is preferably 1 to 5% by weight of a dispersing agent, 0.1 to 5% by weight of titanium dioxide, and the balance of polyethylene terephthalate (PET) resin.
쉬쓰성분으로는 나일론 6수지를 포함하는 폴리아마이드계 폴리머를 사용하는데, 본 발명에서 쉬쓰성분으로 사용되는 상기 아마이드계 폴리머는 이산화티탄을 함유하지 않은 것을 사용하는 것이 특징으로서 제조하는 쉬쓰/코어형 복합필라멘트의 사절현상, 노즐 홀(hole)막힘 현상을 방지하고 높은 강도와 안정된 섬유균제도 특성을 확보하고, 복합필라멘트의 표면특성에 의해 나일론섬유 고유의 터치감을 갖는 쉬쓰/코어형 복합필라멘트를 얻을 수 있다. 특히 본 발명에서는 25d/12f~50d/24f의 세섬도 쉬쓰/코어형 복합필라멘트를 제공하고 있어 특히 사절현상, 노즐 홀(hole)막힘 현상에 유의하여야 한다.
As the sheath component, a polyamide-based polymer including nylon 6 resin is used. In the present invention, the amide-based polymer used as the sheath component is a sheath / core type composite It is possible to obtain a sheath / core type composite filament having a unique feel of nylon fiber by the surface characteristics of the composite filament, while preventing filament yarn breakage and nozzle hole clogging, securing high strength and stable fiber uniformity characteristics . Particularly, in the present invention, the three filament sheath / core type filaments of 25d / 12f to 50d / 24f are provided, and therefore, attention should be paid to the filing phenomenon and nozzle hole clogging.
특히, 본 발명에서 코어/쉬쓰 비율은 60:40 ~ 40:60인 것이 바람직한데, 코어성분이 40%미만인 경우에는 방사팩의 후단부의 압력이 증가하는 현상이 발생하여 방사를 더 이상 진행할 수 없었으며, 이는 쉬쓰부분의 폴리머와 코어부분의 MB 칩간의 융점변화에 의한 물성차이에 기인한다. 코어성분이 60%초과인 경우는 단사발생율이 증가하며, 방사구금에서 섬유가 절단되는 현상이 발생할 수 있는데, 이는 코어비율이 증가하면서 복합섬유 내부의 이산화티탄 함량이 증가하면서 단사가 발생한 것으로 판단된다. 방사 작업성의 저하와 함께 강도 저하로 인한 최종직물제품의 인장강도를 저하시킬 우려가 있다.In particular, in the present invention, the core / sheath ratio is preferably 60:40 to 40:60. When the core component is less than 40%, the pressure at the rear end of the spinning pack increases, This is due to the difference in physical properties due to the change of the melting point between the polymer in the sheath portion and the MB chip in the core portion. When the core component exceeds 60%, the single yarn occurrence rate increases, and the fiber may be cut in the spinneret, which is believed to be caused by the increase of the titanium dioxide content in the composite fiber due to the increase of the core ratio . There is a possibility of lowering the tensile strength of the final fabric product due to the lowering of the strength as well as the lowering of the radiation workability.
특히, 상기 코어성분의 마스터배치칩에 함유되는 이산화티탄 입자는 입경 25 ~ 100㎚인 것을 사용하는 것이 방사 작업성 및 사 물성 저하를 방지하고 섬유내 무기입자의 분산성 향상에 바람직한데, 25㎚미만인 경우에는 폴리머내에 무기입자의 분산이 골고루 되지 않음으로 인한 엉킴현상을 극복하기 어렵고, 입경이 작아질수록 이산화티탄 입자들의 인력이 상승하기 때문에 중합시 무기물을 분산시키기 어렵게 된다. 100㎚를 초과하는 경우에는 사 중 취약점 역할을 하여 사절 및 공정성 저하의 직접적인 원인이 되며 방사팩내의 메쉬(mesh), 샌드(sand)에 쌓이게 되는 문제점이 있다. Particularly, it is preferable to use titanium dioxide particles having a particle diameter of 25 to 100 nm contained in the master batch chip of the core component to prevent radiation workability and deterioration of physical properties and to improve the dispersibility of inorganic particles in the fibers. , It is difficult to overcome the entanglement due to the uneven dispersion of the inorganic particles in the polymer. As the particle size becomes smaller, the attracting force of the titanium dioxide particles increases, which makes it difficult to disperse the inorganic material in the polymerization. If it is more than 100 nm, it acts as a vulnerability during the occupation, which is a direct cause of the reduction of yarn and fairness and accumulates on the mesh and sand in the spinning pack.
또한, 이산화티탄 입자의 마스터배치칩에서의 함량은 0.1~5 중량%인 것이 바람직한데, 0.1중량%미만인 경우에는 자외선 차단효과가 미흡한 문제점이 발생하며, 5 중량%를 초과하는 경우에는 단사현상이 발생하고, 방사팩의 압력이 상승하는 문제점이 발생할 수 있는데, 이는 이산화티탄 함량이 과도할 경우 방사구금과 방사노즐에서 이산화티탄입자의 응집이 발생하여 사절을 발생시키는 것으로 판단된다. 또한, 이산화티탄의 입경이 작아질수록 무기물 입자들의 인력이 상승하기 때문에 중합시 무기물을 분산시키기 위한 분산제를 첨가한다.
The content of the titanium dioxide particles in the master batch chip is preferably from 0.1 to 5% by weight. When the content is less than 0.1% by weight, the ultraviolet ray shielding effect is insufficient. When the content exceeds 5% by weight, And the pressure of the spinning pack may be increased. If the titanium dioxide content is excessive, it is considered that the spinning nozzle and the spinning nozzle cause the flocculation of the titanium dioxide particles to cause the yarn bunching. Further, since the attraction of the inorganic particles increases as the particle size of the titanium dioxide becomes smaller, a dispersant for dispersing the inorganic particles in the polymerization is added.
상기 각각 공급된 쉬쓰성분과 코어성분의 각 폴리머들은 쉬쓰코어형방사구금에 공급되어 동시에 방사된다. 상기원사 생산성 및 방사 작업성 측면에서 볼 때 방사온도는 290~300℃로 조절하는 것이 바람직하다.Each of the polymers of the sheath and core components supplied to the sheath core type spinneret is simultaneously radiated. The spinning temperature is preferably adjusted to 290 to 300 ° C in terms of yarn productivity and spinning workability.
상기 방사구금을 통해 동시에 용융방사된 사조는 통상적인 방법과 같이 구금직하의 사조냉각구간을 통과시키면서 냉각시켜 고화하게 되는데, 본 발명에서는 10~20℃의 냉각풍으로 냉각시킨다. 상기 사조냉각구간을 통과하면서 고화된 필라멘트들은 오일을 부여하면서 집속을 하고 고뎃롤러 속도 1,390~1,450m/min, 권취속도 3,900~4,050m/min의 연신비 2.80~3.58 비율로 권취하게 된다.The yarn which is simultaneously melt-spun through the spinneret is solidified by cooling it while passing through a yarn cooling section of the lower portion of the spinneret as in a conventional method. In the present invention, the yarn is cooled by a cooling wind of 10 to 20 ° C. The filaments solidified while passing through the yarn cooling section are collected while applying oil and wound at a Godet roller speed of 1,390 to 1,450 m / min and a stretching ratio of 3.900 to 4,050 m / min at a stretch ratio of 2.80 to 3.58.
그러므로 본 발명에 의하면, 기존 나일론 경량직물의 기본기능을 만족하면서, 방사시 사절방지가 어렵고, 잦은 홀막힘 현상과 강도저하의 문제점을 해결하면서 은은한 광택, 자외선 차단, 비침방지 효과가 있는 세섬도 복합필라멘트를 제공함으로써 기존 나일론 직물에서 볼 수 없는 비침방지, 광택특성을 가지며, 직물제조시 소프트한촉감을 가져 바람막이용, 스포츠 자켓용, 다운 파카용 아웃도어 경량직물에 적합한 직물로 활용할 수 있다.Therefore, according to the present invention, it is possible to provide a nylon lightweight fabric which satisfies the basic functions of a conventional nylon lightweight fabric and is resistant to threading during spinning, solves the problems of frequent hole clogging and strength deterioration, The filament provides a non-blocking, glossy property that can not be seen in conventional nylon fabrics, and has a soft touch during fabrication, making it suitable for use as a lightweight fabric for windbreaks, sports jackets, and down-parked outdoor wear.
도 1은 본 발명의 쉬쓰/코어형 복합필라멘트인 실시예 1의 필라멘트의 단면현미경사진이며,
도 2는 비교예 1의 필라멘트의 단면현미경사진이며,
도 3은 본 발명의 쉬쓰/코어형 복합필라멘트인 실시예 1의 필라멘트의 사진이며,
도 4는 비교예 1의 필라멘트의 사진이다. 1 is a cross-sectional micrograph of a filament of Example 1, which is a sheath / core type composite filament of the present invention,
2 is a cross-sectional micrograph of the filament of Comparative Example 1,
3 is a photograph of the filament of Example 1 which is the sheath / core type composite filament of the present invention,
4 is a photograph of the filament of Comparative Example 1. Fig.
이하 다음의 실시 예에서는 본 발명의 쉬쓰/코어형 복합필라멘트에 대한 비한정적인 예시를 하고 있다.The following examples illustrate non-limiting examples of the sheath / core type composite filaments of the present invention.
[실시예 1][Example 1]
폴리에틸렌 테레프탈레이트(PET) 수지 95중량%, 분산제 1중량%, 25㎚ 사이즈 이산화티탄 4중량%의 비율로 트윈스크류 혼련설비에 투입하고 온도를 280℃의 온도에서 혼합하여 마스터배치칩(Chip)을 제조하였다. 상기 제조된 마스터배치칩을 용융복합방사장치의 코어부에 투입하고, 일반 나일론 6 수지를 쉬쓰부에 투입하였다. 세섬도 복합섬유를 제조하기 위한 다엔드(Multi-End) 방사장치를 활용하여 상기 복합방사의 코어부/쉬쓰부의 비율은 50:50으로 하였다. 투입된 마스터배치칩과 나일론 6수지는 24홀의 방사구멍을 통하여 방사온도 290℃에서 고뎃롤러 속도 1,405m/min, 권취속도 3,900m/min의 연신비 2.77 비율로 권취하여 25데니어/12필라멘트의 복합섬유를 제조하였다. 제조된 섬유의 단면을 도 1에 나타내었다., 95 parts by weight of a polyethylene terephthalate (PET) resin, 1 part by weight of a dispersant and 4 parts by weight of titanium dioxide having a size of 25 nm were charged into a twin screw kneading apparatus and mixed at a temperature of 280 DEG C to prepare a master batch chip . The prepared master batch chip was put into the core portion of the molten composite spinning device, and a normal nylon 6 resin was put into the sheath portion. The ratio of the core / sheath portion of the composite yarn was set to 50:50 by using a multi-end spinning device for producing three-fiber composite fibers. The master batch chip and the nylon 6 resin were wound at a spinning speed of 2,977 m / min at a godet roller speed of 1,405 m / min at a spinning temperature of 290 ° C through a 24-hole spinning hole to obtain a composite fiber of 25 denier / 12 filaments . The cross-section of the fabric produced is shown in Fig.
[비교예 1][Comparative Example 1]
복합방사의 심부/초부의 비율은 50:50으로 유지하되 심부소재를 PET SD로 사용하고, 초부소재를 나일론 6으로 사용한다. 세섬도 복합섬유를 제조하기 위한 다엔드(Multi-End) 방사장치를 활용하여 24홀의 방사구멍을 통하여 가이드를 통과하고 방사온도 290~300℃에서 고뎃롤러 속도 1,446m/min, 권취속도 4,050m/min의 연신비 2.80 비율로 권취하여 25데니어/12필라멘트의 복합섬유를 제조하였다. 제조된 섬유의 단면을 도 2에 나타내었다.The ratio of the core / sheath of the composite radiation is maintained at 50:50, while the core material is used as the PET SD and the sheath material is used as the nylon 6. Using a multi-end spinning device for producing three-fiber composite fibers, the yarn passed through a 24-hole spinneret and passed through a guide at a godet roller speed of 1,446 m / min and a spinning speed of 4,050 m / min at a draw ratio of 2.80 to prepare a composite fiber of 25 denier / 12 filaments. The cross-section of the fabric produced is shown in Fig.
제조된 섬유의 물성을 측정하여 하기 표 1에 표시하였다.The physical properties of the prepared fibers were measured and are shown in Table 1 below.
KS K 0412
Tensile strength
KS K 0412
상기 복합필라멘트를 이용해 직물을 제조한 후 직물특성을 분석한 결과, 실시예 1은 자외선 차단지수는 108.1의 UPF값을 가졌으며, 자외선 차단율이 99.2%의 값을 나타내었으며, 비교예 1은 자외선 차단지수가 14.7의 UPF값을 가졌으며, 자외선 차단율이 92.4%의 값을 나타내었는데, 이는 실시예 1의 필라멘트에 함유된 TiO2가 자외선 차단효과를 가져 높은 차단효과를 보이는 것으로 판단된다. 도 3과 도 4를 비교해볼 때 육안으로 실시예 1의 복합필라멘트가 은은한 광택을 가지고, 비침방지 효과가 우수함을 확인할 수 있었다.
As a result of analyzing fabric characteristics after fabric fabrication using the composite filament, the ultraviolet barrier index of Example 1 had an UPF value of 108.1, a UV blocking rate of 99.2%, and Comparative Example 1, The index had an UPF value of 14.7 and a UV blocking ratio of 92.4%, indicating that the TiO 2 contained in the filament of Example 1 had a UV blocking effect and a high blocking effect. Comparing FIGS. 3 and 4, it can be seen from the naked eye that the composite filament of Example 1 had a soft gloss and excellent anti-scattering effect.
Claims (3)
상기 코어성분으로 분산제, 입경 25 ~ 100㎚인 이산화티탄 입자를 폴리에틸렌테레프탈레이트(PET) 수지에 용융 혼련하여 마스터배치칩에서의 함량이 0.1~5 중량%이 되도록 분산시킨 마스터배치칩을 공급하여 용융시키고,
상기 쉬쓰성분으로 나일론 6수지를 포함하는 폴리아마이드계 폴리머를 공급하여 쉬쓰코어형방사구금을 통하여 방사온도 290~300℃에서 동시에 용융방사하고,
사조를 구금직하의 사조냉각구간을 통과시키면서 냉각시킨 후 오일부여 및 집속을 하고 고뎃롤러 속도 1,390~1,450m/min, 권취속도 3,900~4,050m/min의 연신비 2.80~3.58 비율로 권취하여 25d/12f~50d/24f의 쉬쓰/코어형 복합필라멘트를 제조하는 것을 특징으로 하는 것을 특징으로 하는 비침방지 및 자외선 차단성이 우수한 쉬쓰/코어형 복합필라멘트의 제조방법.In the method for producing the sheath / core type composite filament,
A master batch chip in which a dispersant, a titanium dioxide particle having a particle diameter of 25 to 100 nm are melted and kneaded in a polyethylene terephthalate (PET) resin and dispersed so as to have a content in a master batch chip of 0.1 to 5 wt% And,
A polyamide-based polymer containing nylon 6 resin was supplied as the sheath component, melt-spun at a spinning temperature of 290 to 300 占 폚 through a sheath core type spinneret,
The oil was cooled while passing through the pre-cryogenic cooling zone, and then the oil was added and concentrated. The stretching ratio was 2.80 to 3.58 at a Godet roller speed of 1,390 to 1,450 m / min and a winding speed of 3,900 to 4,050 m / Core type composite filaments, wherein the sheath / core type composite filaments have an aspect ratio of 50 d / 24f.
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