KR0168279B1 - Method of manufacturing polyester fiber - Google Patents

Method of manufacturing polyester fiber Download PDF

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Publication number
KR0168279B1
KR0168279B1 KR1019960005984A KR19960005984A KR0168279B1 KR 0168279 B1 KR0168279 B1 KR 0168279B1 KR 1019960005984 A KR1019960005984 A KR 1019960005984A KR 19960005984 A KR19960005984 A KR 19960005984A KR 0168279 B1 KR0168279 B1 KR 0168279B1
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South Korea
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weight
polyethylene glycol
present
molecular weight
except
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KR1019960005984A
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Korean (ko)
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KR970065788A (en
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김동민
김영호
송재용
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김상응
주식회사삼양사
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    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01FCHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F1/00General methods for the manufacture of artificial filaments or the like
    • D01F1/02Addition of substances to the spinning solution or to the melt
    • D01F1/10Other agents for modifying properties
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01DMECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00Formation of filaments, threads, or the like
    • D01D5/24Formation of filaments, threads, or the like with a hollow structure; Spinnerette packs therefor
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01DMECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00Formation of filaments, threads, or the like
    • D01D5/253Formation of filaments, threads, or the like with a non-circular cross section; Spinnerette packs therefor
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01DMECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
    • D01D5/00Formation of filaments, threads, or the like
    • D01D5/42Formation of filaments, threads, or the like by cutting films into narrow ribbons or filaments or by fibrillation of films or filaments
    • D01D5/423Formation of filaments, threads, or the like by cutting films into narrow ribbons or filaments or by fibrillation of films or filaments by fibrillation of films or filaments
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01FCHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F6/00Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
    • D01F6/58Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products
    • D01F6/62Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from polyesters
    • DTEXTILES; PAPER
    • D02YARNS; MECHANICAL FINISHING OF YARNS OR ROPES; WARPING OR BEAMING
    • D02GCRIMPING OR CURLING FIBRES, FILAMENTS, THREADS, OR YARNS; YARNS OR THREADS
    • D02G3/00Yarns or threads, e.g. fancy yarns; Processes or apparatus for the production thereof, not otherwise provided for
    • D02G3/02Yarns or threads characterised by the material or by the materials from which they are made
    • DTEXTILES; PAPER
    • D10INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10BINDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
    • D10B2331/00Fibres made from polymers obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polycondensation products
    • D10B2331/04Fibres 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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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Artificial Filaments (AREA)

Abstract

본 발명은 감량가공시에 피브릴화가 잘되는 피브릴화 폴리에스테르 섬유의 제조방법임.The present invention is a method for producing fibrillated polyester fiber which is well fibrillated during weight loss processing.

본 발명은 폴리에틸렌 테레프탈레이트 100중량%에 대하여 분자량이 1,000∼20,000인 폴리에틸렌 글리콜을 6∼10중량% 첨가하여 중합시키고 상기 중합물을 삼각중공노즐을 통하여 용융방사함을 특징으로 함.The present invention is characterized by polymerizing by adding 6 to 10% by weight of polyethylene glycol having a molecular weight of 1,000 to 20,000 with respect to 100% by weight of polyethylene terephthalate and melt spinning the polymer through a triangular hollow nozzle.

본 발명은 비교적 고분자량의 폴리에틸렌 글리콜을 첨가하였고, 동시에 삼각중공노즐을 이용하여 방사하였으므로 피브릴형성성이 우수하고 강도와 제사성이 좋은 피브릴화 폴리에스테르 섬유를 제조할 수 있다.In the present invention, a relatively high molecular weight polyethylene glycol is added and simultaneously spun using a triangular hollow nozzle, it is possible to produce fibrillated polyester fibers having excellent fibrillation properties and good strength and sacrificial properties.

Description

삼각 중공 노즐에 의한 피브릴화 폴리에스테르 섬유의 제조방법Method for producing fibrillated polyester fiber by triangular hollow nozzle

본 발명은 삼각중공노즐에 의한 피브릴화 폴리에스테르 섬유의 제조방법에 관한 것이다. 일반적으로 폴리에스테르 섬유, 특히 폴리에틸렌 테레프탈레이트 섬유는 강도, 치수안정성, 열안정성이 뛰어나고 내열성, 내약품성, 견뢰도, 세탁견뢰도 등도 또한 우수하다. 하지만 염색이 잘 되지 않고 정전기가 발생하며 흡습성 및 촉감이 좋지 않기 때문에 천연섬유가 갖는 장점들, 즉 흡습성, 제전성, 이염성(易染性) 등을 추구하고자 하는 노력이 계속되었다. PET 섬유는 역학적 성질이 천연실크의 특성과 같으므로 개질의 진행방향은 천연실크가 가진 태의 추구에 있었다. 이렇게 개발된 신합섬 소재들은 천연섬유의 감성 및 기능성 등을 앞서 나가기 시작하였다. 마이크로 피브릴(micro fibril)화 기술은 특수 폴리머의 사용과 고도의 제사기술 및 섬세하고 다양한 후가공 기술에 의해서만이 가능하다. 일반 폴리에스테르 직물은 그 우수한 물성으로 말미암아 널리 사용되고 있는 반면에, 미끈거리는 촉감 및 땀 흡수를 전혀 할 수 없다는 단점이 있다. 본 발명은 상기한 바와 같은 단점을 없애고 천연섬유의 특성을 갖는 피브릴화 폴리에스테르 섬유의 제조방법을 제공하는 데 그 목적이 있는 것이다. 즉, 본 발명은 워시앤드웨어(wash and wear)성 등의 폴리에스테르 섬유 고유의 장점을 살리면서 중합시 고분자를 개질하여 섬유축 방향으로 무수하게 많은 미세한 홈(micro-groove)을 형성시켜서 건조감(dry-touch)을 발현하며, 섬세한 감량가공으로 마이크로 피브릴을 생성시켜서 부드러운 촉감과 흡수성 등의 기능을 갖도록 한 것이다. 종래의 방법들 중 미국특허 제3,329,557호, 영국특허 제956,833호에서는 폴리에스테르와 폴리알킬렌글리콜을 블랜드하여 방사한 후 폴리알킬렌글리콜을 제거하였으며, 한국특허공고 제82-1464호에서는 폴리에스테르를 무기입자와 블랜드하여 중공사로 제조한 후 무기입자를 추출하여 외부의 홈과 내부의 중공을 연결시킴으로써 흡수성을 증대시켰으며, 미국특허 제3,682,846호에서는 폴리에스테르를 제조할 때 폴리알킬렌글리콜과 유기술폰산 금속염을 공중합시켜 폴리머를 개질시킴으로써 의해 친수성을 부여하였지만, 위 방법들은 방사시 폴리알킬렌글리콜이 필라멘트의 외부에만 존재하여 실제적으로 흡수성을 증대시키기 어려웠고, 무기물에 의한 방사구금의 폐쇄로 인하여 방사압력이 급상승하는 등 조업성에 있어 많은 문제가 발생하였으며, 또 친수성을 부여하기 위해 다량의 코모노머를 사용함으로써 필라멘트의 물성 및 화학안정성을 약화시키는 등의 문제가 있었다. 개발 초기에는 폴리에스테르 주성분과 폴리에스테르 공중합체 등의 공극생성제와의 블랜드로부터 필라멘트의 종축과 평행하게 형성되어진 한개 이상의 중공을 갖는 중공 폴리에스테르 필라멘트를 제조한 다음 알카리 수용액으로 처리하여 폴리에스테르 주성분의 일부를 제거시킴으로써 중공폴리에스테르 필라멘트의 표면에 형성된 수많은 미세 홈과 필라멘트 몸체의 내부에 형성된 수많은 미세홈 그리고 필라멘트 중공 내벽부에 형성된 수많은 미세홈들을 서로 연통되게 하여서 폴리에스테르의 흡수성과 부드러운 촉감을 발현시키려고 시도하였다. 그러나 위와 같은 방법들은 감량시킬 때 피브릴이 잘 형성되지 않거나, 감량시간이 많이 걸린다는 문제점이 있다. 본 발명은 상술한 바와 같은 문제점을 해결한 것으로서 본 발명의 특징은 후가공시의 감량조건을 완화하고 시간을 단축시키며, 피브릴 형성을 원활하게 하기 위해서 분자량이 큰 폴리에틸렌글리콜을 사용하고 방사시 노즐의 단면을 삼각 중공으로 하여 감량이 매우 빠르게 잘 이루어져 피브릴 형성이 잘 될 수 있도록 하는 삼각중공 노즐에 의한 피브릴화 폴리에스테르 섬유의 제조방법에 있는 것이다.The present invention relates to a method for producing fibrillated polyester fibers by triangular hollow nozzles. In general, polyester fibers, in particular polyethylene terephthalate fibers are excellent in strength, dimensional stability, thermal stability, and also excellent in heat resistance, chemical resistance, color fastness, washing fastness. However, since dyeing is not good, static electricity is generated, and hygroscopicity and touch are not good, efforts to pursue the advantages of natural fibers, that is, hygroscopicity, antistatic property, and dyeing property, have continued. PET fibers have the same mechanical properties as natural silk, so the direction of reforming is in the pursuit of natural silk. New synthetic island materials developed in this way have begun to advance the sensitivity and functionality of natural fibers. Micro fibrilization technology is only possible due to the use of special polymers, advanced weaving techniques, and delicate and diverse finishing techniques. While general polyester fabrics are widely used due to their excellent physical properties, they have the disadvantage of not being slippery at all and absorbing sweat. It is an object of the present invention to provide a method for producing fibrillated polyester fibers having the characteristics of natural fibers and eliminating the disadvantages described above. That is, the present invention, while taking advantage of the inherent advantages of polyester fibers, such as wash and wear properties, by modifying the polymer during polymerization to form a myriad of fine grooves (micro-groove) in the fiber axis direction to dry feeling ( It produces dry-touch, and microfibrils are produced by delicate weight reduction processing to have a soft touch and absorbent functions. Among the conventional methods, US Pat. No. 3,329,557 and UK Pat. No. 956,833 blend and spin polyester and polyalkylene glycol to remove polyalkylene glycol, and Korean Patent Publication No. 82-1464 discloses polyester. After blending with inorganic particles to produce hollow fiber and then extracting the inorganic particles to increase the absorbency by connecting the outer groove and the inner hollow, US Patent No. 3,682,846 in the production of polyester polyalkylene glycol and eutechonic acid Although hydrophilicity was imparted by copolymerizing metal salts to modify the polymer, the above methods were difficult to increase the absorbency due to the presence of polyalkylene glycol only on the outside of the filament during spinning. There were many problems in operability, such as the sharp rise, By using a large amount of the comonomer to impart there is a problem such that affects the physical properties of the filament, and the chemical stability. Initially, a hollow polyester filament having one or more hollows formed parallel to the longitudinal axis of the filament is prepared from a blend of a polyester main component and a pore generating agent such as a polyester copolymer, and then treated with an aqueous alkali solution to prepare the polyester main component. By removing a part, numerous microgrooves formed on the surface of the hollow polyester filament and numerous microgrooves formed inside the filament body and numerous microgrooves formed in the hollow inner wall of the filament are in communication with each other to express the absorbency and soft touch of the polyester. Tried. However, the above methods have a problem that the fibril is not formed well or takes a lot of weight loss time. The present invention solves the problems as described above, the characteristics of the present invention is to reduce the reduction conditions during post-processing and shorten the time, to use a high molecular weight polyethylene glycol to facilitate fibril formation and to In the triangular hollow cross-section is made in the manufacturing method of the fibrillated polyester fiber by triangular hollow nozzle so that the weight loss can be made very fast and the fibrils are formed well.

본 발명을 상세히 설명하면 다음과 같다.The present invention is described in detail as follows.

폴리에틸렌 테레프탈레이트수지의 피브릴 형성을 최대로 하기 위해서 폴리에틸렌 테레프탈레이트 100중량%에 대하여 분자량이 1,000∼20,000인 폴리에틸렌 글리콜을 6중량%∼10중량% 첨가하여 중합을 한 후 삼각 중공 노즐로 제사하였다. 감량가공을 한 후 SEM 사진으로 확인해본 결과 아주 우수한 피브릴이 형성됨을 확인할 수 있었다.In order to maximize the fibril formation of the polyethylene terephthalate resin, 6 to 10 weight% of polyethylene glycol having a molecular weight of 1,000 to 20,000 was added to 100 weight% of polyethylene terephthalate, and the polymerization was carried out using a triangular hollow nozzle. After the weight reduction process, the SEM photographs showed that very good fibrils were formed.

본 발명에서 폴리에틸렌 글리콜을 6중량% 미만 첨가할 경우에는 그 효과가 미미하여 피브릴 형성이 잘 이루어지지 않으며, 10중량%을 초과하여 첨가할 경우에는 감량이 너무 일어나서 원사의 강도가 저하되어 사용할 수 없게 된다.When less than 6% by weight of polyethylene glycol is added in the present invention, the effect is insignificant, and fibril is not formed well. do.

또 본 발명에서 폴리에틸렌 글리콜의 분자량이 1,000미만이면 피브릴 형성성이 미약하고, 20,000을 초과한 것은 가격이 너무 비싸 경제성에 문제가 있다.Further, in the present invention, when the molecular weight of polyethylene glycol is less than 1,000, the fibril formation property is weak, and if it exceeds 20,000, the price is too high and there is a problem in economic efficiency.

이하 본 발명의 효과를 실시예에 구체적으로 설명한다. 평가기준은 모노데이나의 섬도가 0,3데니아 이하로 형성된 섬유를 SEM으로 촬영하여 육안으로 판별하였다.Hereinafter, the effects of the present invention will be specifically described in the Examples. Evaluation criteria were visually discriminated by SEM photographing fibers formed with a fineness of 0,3 denier or less in monodena.

폴리에틸렌 첨가량에 따른 비교Comparison by the amount of polyethylene added

[실시예 1]Example 1

폴리에틸렌 테레프탈레이트 100중량%에 대하여 분자량 20,000인 폴리에틸렌 글리콜 6중량%를 첨가하여 중합하였고, 방사온도 260℃에서 삼각중공 노즐을 사용하여 방사한 후, 4중량% 수산화나트륨 수용액에서 30% 감량 후 SEM 사진으로 피브릴 형성을 관찰하였다.6% by weight of polyethylene glycol having a molecular weight of 20,000 was added to 100% by weight of polyethylene terephthalate, followed by spinning using a triangular hollow nozzle at a spinning temperature of 260 ° C., followed by 30% reduction in a 4% by weight aqueous sodium hydroxide solution. Fibril formation was observed.

[실시예 2]Example 2

폴리에틸렌 글리콜을 7중량%로 한것 외에는 실시예 1과 같다.It is the same as Example 1 except having made polyethyleneglycol 7 weight%.

[실시예 3]Example 3

폴리에틸렌 글리콜을 8중량%로 한것 외에는 실시예 1과 같다.It is the same as Example 1 except having made polyethyleneglycol 8 weight%.

[실시예 4]Example 4

폴리에틸렌 글리콜을 9중량%로 한것 외에는 실시예 1과 같다.It is the same as Example 1 except having made polyethyleneglycol 9 weight%.

[실시예 5]Example 5

폴리에틸렌 글리콜을 10중량%로 한것 외에는 실시예 1과 같다.It is the same as Example 1 except having made polyethyleneglycol 10 weight%.

[비교예 1]Comparative Example 1

폴리에틸렌 글리콜을 4중량%로 한것 외에는 실시예 1과 같다.It is the same as Example 1 except having made polyethyleneglycol 4 weight%.

[비교예 2]Comparative Example 2

폴리에틸렌 글리콜을 5중량%로 한것 외에는 실시예 1과 같다.It is the same as Example 1 except having made polyethylene glycol 5 weight%.

[비교예 3]Comparative Example 3

폴리에틸렌 글리콜을 11중량%로 한것 외에는 실시예 1과 같다.It is the same as Example 1 except having made polyethyleneglycol 11 weight%.

[비교예 4][Comparative Example 4]

폴리에틸렌 글리콜을 12중량%로 한것 외에는 실시예 1과 같다.As in Example 1, except that polyethylene glycol was 12% by weight.

방사노즐 형태에 따른 비교Comparison by Radiation Nozzle Type

[비교예 5][Comparative Example 5]

폴리에틸렌 글리콜을 8중량%로 하고, 원형노즐을 사용한 것외에는 실시예 1과 같다.It is the same as that of Example 1 except having made polyethylene glycol 8 weight% and using the circular nozzle.

[비교예 6]Comparative Example 6

폴리에틸렌 글리콜을 8중량%로 하고, 원형중공노즐을 사용한 것외에는 실시예 1과 같다.It is the same as that of Example 1 except having made polyethylene glycol 8 weight%, and used the round hollow nozzle.

[비교예 7]Comparative Example 7

분자량이 400인 폴리에틸렌 글리콜을 사용하고 8중량%로 한것 외에는 실시예 1과 같다.As in Example 1, except that polyethylene glycol having a molecular weight of 400 was used and 8% by weight.

[비교예 8]Comparative Example 8

분자량이 600인 폴리에틸렌 글리콜을 사용하고 8중량%로 한것 외에는 실시예 1과 같다.As in Example 1, except that polyethylene glycol having a molecular weight of 600 was used and 8% by weight.

[실시예 6]Example 6

분자량이 1,000인 폴리에틸렌 글리콜을 사용하고 8중량%로 한것 외에는 실시예 1과 같다.As in Example 1, except that polyethylene glycol having a molecular weight of 1,000 was used and 8% by weight.

[실시예 7]Example 7

분자량이 6,000인 폴리에틸렌 글리콜을 사용하고 8중량%로 한것 외에는 실시예 1과 같다Same as Example 1 except for using 8% by weight of polyethylene glycol having a molecular weight of 6,000.

[실시예 8]Example 8

분자량이 10,000인 폴리에틸렌 글리콜을 사용하고 8중량%로 한것 외에는 실시예 1과 같다Same as Example 1 except for using polyethylene glycol having a molecular weight of 10,000 to 8% by weight.

Claims (1)

폴리에틸렌 테레프탈레이트 100중량%에 대하여 분자량이 1,000에서 20,000까지의 폴리에틸렌 글리콜을 6중량%∼10중량% 첨가하여 중합한 후 삼각중공노즐을 사용하여 방사하는 것을 특징으로 하는 삼각중공노즐에 의한 피브릴화 폴리에스테르 섬유의 제조방법.Fibrillation by triangular hollow nozzles, characterized in that the polyethylene glycol having a molecular weight of 1,000 to 20,000 to 6 to 10% by weight is added to 100% by weight of polyethylene terephthalate, followed by polymerization. Method for producing polyester fiber.
KR1019960005984A 1996-03-07 1996-03-07 Method of manufacturing polyester fiber KR0168279B1 (en)

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