KR950000934A - Method for producing wholly aromatic polyamide fibers having excellent physical properties and apparatus for performing the same - Google Patents

Method for producing wholly aromatic polyamide fibers having excellent physical properties and apparatus for performing the same Download PDF

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Publication number
KR950000934A
KR950000934A KR930011133A KR930011133A KR950000934A KR 950000934 A KR950000934 A KR 950000934A KR 930011133 A KR930011133 A KR 930011133A KR 930011133 A KR930011133 A KR 930011133A KR 950000934 A KR950000934 A KR 950000934A
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South Korea
Prior art keywords
liquid
coagulation
aromatic polyamide
wholly aromatic
coagulating
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KR930011133A
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Korean (ko)
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허철
최상렬
최원준
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하기주
주식회사 코오롱
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Priority to KR930011133A priority Critical patent/KR950000934A/en
Publication of KR950000934A publication Critical patent/KR950000934A/en

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    • 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
    • D01D5/06Wet spinning methods
    • 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
    • D01F6/60Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from polyamides
    • D01F6/605Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from homopolycondensation products from polyamides from aromatic polyamides

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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)
  • Artificial Filaments (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)

Abstract

본 발명은 섬유내에 황산 또는 황산나트륨과 같은 불순물이 포함되지 않도록 하면서도 고속 방사가 가능한 고생산성이 저방향족 폴리아미드 섬유의 제조 방법 및 이를 수행하기 위한 장치에 관한 것으로써, 전방향족 폴리아미드 중합체를 황산계 용매를 용해시켜 광학적 이방성 방사원액을 제조하여 응고 욕조로 방사구금을 통하여 방사, 응고 및 수세하는 것으로 이루어지는 전방향족 폴리아미드 섬유의 제조방법에 있어서, 방사구금으로부터 불활성 가스로 이루어진 공기층을 두고 응고액조로 방사되어진 방사 도프가 응고액조의 내부에 설치되어진 켄치 튜브내에 투입되어 수세액 유량과 응고액 유랑의 비(△,△=수세액 유량/응고액 유량)가 0.1∼10의 범위에서 응고 및 세척되어짐을 특징으로 하는 전방향족 폴리아미드 섬유의 제조 방법 및, 방사구금과 보호판이 하단부에 설치되어 있는 스핀 블럭; 상기한 방사구금과 일정한 공기층을 두고 스핀블럭의 보호판의 범위에서 설치되며, 응고액, 수세액을 분사시키는 켄치 튜브, 유량 조절판, 켄치 튜브에 응고액과 수세액을 공급하기 위한 응고액 유입관 및 수세액 유입관, 응고 욕조에 응고액의 공급액을 위한 응고액 유입관, 공기층에 불활성 가스를 공급하기 위한 가스 유입관을 구비한 응고액조로 이루어지는 것을 특징으로 하는 전방향족 폴리아미드 섬유의 제조 장치를 제공한다.The present invention relates to a method for producing a high-aromatic low-aromatic polyamide fiber that can be spun at high speed without containing impurities such as sulfuric acid or sodium sulfate in the fiber, and an apparatus for performing the same. In the method for producing a wholly aromatic polyamide fiber comprising dissolving a solvent to prepare an optically anisotropic spinning stock solution and spinning, coagulating and washing water through a spinneret with a coagulation bath, the coagulating bath with an air layer made of inert gas from the spinneret. The spinning spinning dope is injected into the quench tube installed inside the coagulation bath, and the ratio of washing liquid flow rate and coagulation liquid flow (△, △ = washing liquid flow / coagulation liquid flow) is solidified and washed in the range of 0.1 to 10. Method for producing wholly aromatic polyamide fibers characterized in that, and spinning Spin block which the gold and the protective plate is provided at the lower end; It is installed in the range of the protective plate of the spin block with the spinneret and a constant air layer, and the coagulating liquid inlet pipe for supplying the coagulating liquid and the washing liquid to the quench tube, the flow control plate, the quench tube for injecting the coagulating liquid and the washing liquid Apparatus for producing a wholly aromatic polyamide fiber characterized in that it comprises a washing liquid inlet tube, a coagulation liquid inlet tube for supplying the coagulation liquid to the coagulation bath, a gas inlet tube for supplying an inert gas to the air layer. to provide.

Description

물성이 우수한 전방향족 폴리아미드 섬유의 제조 방법 및 이를 수행하기 위한 장치Method for producing wholly aromatic polyamide fibers having excellent physical properties and apparatus for performing the same

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제 1 도는 본 발명을 수행하기에 적합한 장치의 구성을 전체적으로 나타내는 개략도이며, 제 2 도는 제 1 도에 있어서, 3부위를 더욱 상세하게 나타낸 종단면도이고, 제 3 도는 본 발명의 3부위 내에서 분사되어지는 수세액의 유량과 응고액의 유량비, △(△=수세액 유량/응고액 유량)에 따른 섬유의 물성을 나타낸 그래프이다.FIG. 1 is a schematic diagram showing the overall configuration of a device suitable for carrying out the present invention, FIG. 2 is a longitudinal cross-sectional view showing in more detail three parts in FIG. 1, and FIG. 3 is sprayed in three parts of the present invention. It is a graph which shows the physical properties of the fiber according to the flow rate of the water washing liquid and the flow rate of the coagulating liquid, and (triangle | delta = (washing liquid flow volume / coagulating liquid flow volume) to be used.

Claims (9)

전방향족 폴리아미드 중합체를 황산계 용매에 용해시켜 광학적 이방성 방사원액을 제조하여 응고 욕조로 방사구금을 통하여 방사하고, 응고 및 수세하는 것으로 이루어지는 전방향족 폴리아미드 섬유의 제조 방법에 있어서, 방사구금(2)으로부터 불활성 가스로 이루어진 공기층(13)을 두고 응고액조(8)로 방사되어진 방사 도프가 응고액조 (8)의 내부에 설치되어진 켄치 튜브(3)내에 투입되어 수세액 유량과 응고액 유량의 비(,=수세액 유량/응고액 유량)가 0.1∼10의 범위에서 응고 및 세척되어짐을 특징으로 하는 전방향족 폴리아미드 섬유의 제조 방법.In the method for producing a wholly aromatic polyamide fiber comprising dissolving the wholly aromatic polyamide polymer in a sulfuric acid solvent to produce an optically anisotropic spinning solution, spinning through a spinneret in a coagulation bath, coagulation and washing with water, spinneret (2 The radiation dope radiated to the coagulation bath 8 with the air layer 13 made of inert gas is introduced into the quench tube 3 installed inside the coagulation bath 8, and the washing liquid flow rate and the coagulation fluid flow rate Of ( , = Washing liquid flow rate / coagulation liquid flow rate) is a method for producing a wholly aromatic polyamide fiber, characterized in that the solidified and washed in the range of 0.1 to 10. 제 1 항에 있어서, 상기의 공기층은 유량 0.1∼100ℓ/min의 불활성 가스의 흐름에 의하여 형성되어짐을 특징으로 하는 방법.The method of claim 1, wherein the air layer is formed by a flow of inert gas at a flow rate of 0.1 to 100 l / min. 제 1 항 또는 제 2 항에 있어서, 상기의 공기층은 질소, 이산화탄소, 아르곤. 헬륨, 네온으로 이루어지는 군에서 선택되어지는 불활성 가스로 이루어짐을 특징으로 하는 방법.The method of claim 1 or 2, wherein the air layer is nitrogen, carbon dioxide, argon. Helium, neon, characterized in that the method consists of an inert gas selected from the group consisting of. 제 1 항에 있어서, 상기한 응고액은 0∼50%의 황산 용액인 것을 특징으로 하는 방법.The method according to claim 1, wherein the coagulating solution is a sulfuric acid solution of 0 to 50%. 제 1 항에 있어서, 싱기 수세액은 0∼10중량%의 염기성 수용액인 것을 특징으로 하는 방법.The method according to claim 1, wherein the washing liquid is 0 to 10% by weight of a basic aqueous solution. 제 1 항 또는 제 5 항에 있어서, 상기한 수세액은 알칼리 금속 또는 알칼리토 금속으로 이루어지는 금속의 수산화물의 수용액인 것을 특징으로 하는 방법.The method according to claim 1 or 5, wherein the washing liquid is an aqueous solution of a hydroxide of a metal consisting of an alkali metal or an alkaline earth metal. 방사구금(2)와 보호판(9)이 하단부에 설치되어 있는 방사블럭(1); 상기한 방사구금(3)과 일정한 공기층(13)을 두고 방사블럭(1)의 보호판(9)의 범위에서 설치되는 응고액조(8)로 이루어지는 전방향족 폴리아미드 섬유의 제조 장치에 있어서, 상기한 응고액조(8)는, 두개 이상의 분사 노즐(14,15)이 설치되어 상부 분사 노즐 (14)에서는 응고액, 하부 분사 노즐(15)에서는 수세액을 분사시키는 켄치 튜브(3); 투입되는 응고액의 유량을 조절할 수 있는 유량 조절구(5)가 형성되어 있고 켄치 튜브의 외곽부에 형성되어진 유량 조절판(4); 켄치 튜브(3)에 응고액과 수세액을 공급하기 위한 수세액 유입관(10) 및 응고액 유입관(11); 응고욕조에 유량 조절판으로 유량이 조절되어지는 응고액의 공급을 위한 응고액 유입관(7); 공기층(13)에 불활성 가스를 공급하기 위한 가수 유입관이 구비되어 있는 것을 특징으로 하는 전방향족 폴리아미드 섬유의 제조 장치.A spin block 1 having a spinneret 2 and a protective plate 9 provided at a lower end thereof; In the manufacturing apparatus of the wholly aromatic polyamide fiber which consists of the coagulating liquid tank 8 provided in the range of the guard plate 9 of the spinning block 1 above with the spinneret 3 and the constant air layer 13, the said One coagulation liquid tank 8 includes a quench tube 3 having two or more injection nozzles 14 and 15 installed thereon to inject a coagulation liquid in the upper injection nozzle 14 and a washing liquid in the lower injection nozzle 15; A flow rate control plate 4 having a flow rate adjustment port 5 capable of adjusting the flow rate of the coagulated liquid to be introduced and formed at an outer portion of the quench tube; A washing liquid inlet tube 10 and a coagulating liquid inlet tube 11 for supplying a coagulating liquid and a washing liquid to the quench tube 3; A coagulation liquid inlet pipe 7 for supplying a coagulation liquid whose flow rate is controlled by a flow control plate in the coagulation bath; An apparatus for producing wholly aromatic polyamide fibers, characterized in that a water inlet pipe for supplying an inert gas to the air layer (13) is provided. 제 7 항에 있어서, 상기한 켄치 튜브는 응고액조(8) 내에 설치되어지는 켄치 튜브(3)는 응고액 분사 노즐(14)이 상부에 위치하고, 수세액 분사 노즐(15)이 하부에 위치하는 최소한 두개의 분사 노즐이 형성되어 있으며, 응고액 분사 노즐 형성 부위는 상부에서 하부로 내구 구경이 좁아져가는 역원뿔형으로 되며 수세액 분사 노즐 형성 부위는 상부에서 하부로 내부 구경이 넓어져 가는 원뿔형으로 되는 원통상의 구조를 갖는 것을 특징으로 하는 전방향족 폴리아미드 섬유의 제조 장치.8. The quench tube (3) according to claim 7, wherein the quench tube (3) to be installed in the coagulation liquid tank (8) has a coagulation liquid injection nozzle (14) located at the top, and the flush liquid injection nozzle (15) is located at the bottom. At least two spray nozzles are formed, and the coagulating liquid jet nozzle forming portion is inverted conical with narrow end diameter from the top to the bottom, and the flushing liquid spray nozzle forming portion is conical with the inner diameter widening from the top to the bottom. The manufacturing apparatus of the wholly aromatic polyamide fiber characterized by having a cylindrical structure which becomes. 제 7 항 또는 제 8 항에 있어서, 상기한 켄치 튜브는 응고액 분사 노즐 부위에서의 상부로부터 하부로 좁아져 가는 경사각(θ)이 1∼13°인 것을 특징으로 하는 전방향족 폴리아미드 섬유의 제조 장치.9. The production of the wholly aromatic polyamide fiber according to claim 7, wherein the quench tube has an inclination angle θ that is narrowed from the top to the bottom at the coagulating liquid jet nozzle region. Device. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR930011133A 1993-06-17 1993-06-17 Method for producing wholly aromatic polyamide fibers having excellent physical properties and apparatus for performing the same KR950000934A (en)

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KR930011133A KR950000934A (en) 1993-06-17 1993-06-17 Method for producing wholly aromatic polyamide fibers having excellent physical properties and apparatus for performing the same

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KR930011133A KR950000934A (en) 1993-06-17 1993-06-17 Method for producing wholly aromatic polyamide fibers having excellent physical properties and apparatus for performing the same

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100749962B1 (en) * 2005-07-06 2007-08-16 주식회사 코오롱 Aromatic polyamide filament and method of manufacturing the same

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100749962B1 (en) * 2005-07-06 2007-08-16 주식회사 코오롱 Aromatic polyamide filament and method of manufacturing the same
EP1899511A1 (en) * 2005-07-06 2008-03-19 Kolon Industries, Inc. Aromatic polyamide filament and method of manufacturing the same
JP2009500534A (en) * 2005-07-06 2009-01-08 コーロン インダストリーズ インク Totally aromatic polyamide filament and method for producing the same
EP1899511A4 (en) * 2005-07-06 2009-11-25 Kolon Inc Aromatic polyamide filament and method of manufacturing the same
JP4658194B2 (en) * 2005-07-06 2011-03-23 コーロン インダストリーズ インク Method for producing wholly aromatic polyamide filament

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