KR830005405A - Wet Spinning Method of Polypyrrolidone Fiber - Google Patents

Wet Spinning Method of Polypyrrolidone Fiber Download PDF

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Publication number
KR830005405A
KR830005405A KR1019810001310A KR810001310A KR830005405A KR 830005405 A KR830005405 A KR 830005405A KR 1019810001310 A KR1019810001310 A KR 1019810001310A KR 810001310 A KR810001310 A KR 810001310A KR 830005405 A KR830005405 A KR 830005405A
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South Korea
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polypyrrolidone
formate
temperature
bath
filaments
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KR1019810001310A
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Korean (ko)
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KR840001632B1 (en
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카자로 지오르지오
카발라로 안토니노
살란 안토니오
템페스티 알도
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기우세페 크레스피
스니아 비스코사 소시에타 나지오날레 인더스트리아 아플리카지오니 비스코사 에스. 피. 에이
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Publication of KR830005405A publication Critical patent/KR830005405A/en
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Publication of KR840001632B1 publication Critical patent/KR840001632B1/en

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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
    • D01F6/00Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
    • D01F6/88Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds
    • D01F6/90Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polycondensation products as major constituent with other polymers or low-molecular-weight compounds of polyamides

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Artificial Filaments (AREA)

Abstract

내용 없음No content

Description

폴리피로리돈(polypyrrolidone)섬유의 습식 방사 방법Wet spinning method of polypyrrolidone fibers

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

도면은 다른 자연섬유 및 합성 섬유들의 것과 비교하여 나일론 4의 흡수율을 나타내는 그래프.Figure is a graph showing the absorption of nylon 4 compared to that of other natural and synthetic fibers.

Claims (21)

개미산 또는 개미산과 물의 혼합물중에서 선택된 용매내 폴리피로리돈의 용액을 제조하고 그 용액을 적어도 하나의 포메이트의 수성용액으로 된 응결욕내로 압출함을 특징으로 하는 폴리피로리돈의 습식방사방법.A method of wet spinning of polypyrrolidone, comprising preparing a solution of polypyrrolidone in a solvent selected from formic acid or a mixture of formic acid and water and extruding the solution into a coagulation bath of an aqueous solution of at least one formate. 포메이트가 알카리 금속, 암모니움 및 4원소 암모니움 염기의 포메이트로 구성된 그룹에서 선택됨을 특징으로 하는 청구범위 1항의 방법.The method of claim 1 wherein the formate is selected from the group consisting of alkali metals, ammonium and formates of the four-membered ammonium base. 상기 응결욕가 그 욕의 전체중량에 대해 최대 35%까지의 유리개미산을 더 함유함을 특징으로 하는, 청구범위 1항의 방법.The method of claim 1, wherein the coagulation bath further contains up to 35% free formic acid relative to the total weight of the bath. 상기 응결욕가 그 욕의 전체중량에 대해 3% 이하의 적어도 한가지 유리염기를 더 함유함을 특징으로 하는, 청구범위 1항의 방법.The method of claim 1 wherein the condensation bath further contains at least one free base of 3% or less based on the total weight of the bath. 상기 염기가 알카리금속, 암모니아 및 4원소 암모니움 염기의 수산화물들 중에서 선택됨을 특징으로 하는, 청구범위 4항의 방법.The method of claim 4, wherein the base is selected from hydroxides of alkali metal, ammonia and quaternary ammonium base. 응결욕내 포메이트의 농도가 그 욕의 전체에 대해 15중량%와 포메이트의 용해성 한계사이인 것을 특징으로 하는, 청구범위 1항의 방법.The method of claim 1 wherein the concentration of formate in the coagulation bath is between 15% by weight relative to the total of the bath and the solubility limit of the formate. 응결욕의 온도가 10°-80℃인 것을 특징으로 하는, 청구범위 1항의 방법.The method of claim 1 wherein the temperature of the condensation bath is 10 ° -80 ° C. 폴리피로리돈이 50중량% 이하의 물을 함유하는 개미산과 물의 혼합물에 용해됨을 특징으로 하는 청구범위 1항의 방법.The method of claim 1 wherein the polypyrrolidone is dissolved in a mixture of formic acid and water containing up to 50% by weight of water. 폴리피로리돈이 2-15의 상대점도를 갖는, 청구범위 1항의 방법.The method of claim 1, wherein the polypyrrolidone has a relative viscosity of 2-15. 용액내 폴리피로리돈의 농도가 5-50중량%인, 청구범위 1항의 방법.The method of claim 1 wherein the concentration of polypyrrolidone in the solution is 5-50% by weight. 응결에 의해 얻어진 필라멘트가 연신, 세척 및 건조되는 것을 특징으로 하는 청구범위 1항의 방법.The method of claim 1 wherein the filaments obtained by condensation are drawn, washed and dried. 세척이 모든 산성 및 염기성 잔재가 완전히 제거될 때까지 약한 염기성 또는 산성물로 행해짐을 특징으로 하는, 청구범위 11항의 방법.The method of claim 11, wherein the washing is done with weak basic or acidic products until all acidic and basic residues are completely removed. 필라멘트가 20% 이상의 연신 또는 10% 이상 수축이 일어나지 않도록 하는 조건하에 200°-250℃사이 온도에서 열경화됨을 특징으로 하는 청구범위 11항의 방법.The method of claim 11 wherein the filaments are thermally cured at a temperature between 200 ° -250 ° C. under conditions such that no more than 20% stretching or no more than 10% shrinkage occurs. 연신이 물, 포메이트의 수성용액, 포메이트와 유리개미산의 수성용액, 포메이트와 유리염기의 수성용액내에서 10℃와 용액의 비등점 사이 온도로 수행됨을 특징으로 하는 청구범위 11항의 방법.The method of claim 11 wherein the stretching is carried out at a temperature between 10 ° C. and the boiling point of the solution in water, an aqueous solution of formate, an aqueous solution of formate and free formic acid, and an aqueous solution of formate and free base. 세척이 연신후 10℃와 비등온도 사이 온도에서 물로 행해지고, 상기 온도가 최종 제품에 요구되는 광택도에 따라 선택됨을 특징으로 하는, 청구범위 11항의 방법.The method of claim 11, wherein the washing is performed with water at a temperature between 10 ° C. and boiling temperature after stretching, the temperature selected according to the degree of gloss required for the final product. 건조가 60°-150℃ 사이 온도에서 수행됨을 특징으로 하는 청구범위 11항의 방법.The method of claim 11 wherein drying is performed at a temperature between 60 ° -150 ° C. 건조가 자유 수축 조건하에 행해짐을 특징으로 하는, 청구범위 방항의 방법.Method according to claim, characterized in that drying is carried out under free shrinkage conditions. 연신이 5-10% 사이에서 조절된 수축조건하에 달성됨을 특징으로 하는, 청구범위 16항의 방법.The method of claim 16, wherein the stretching is achieved under controlled shrinkage conditions between 5-10%. 세척후 적어도 한가지 단계에서 필라멘트들에 가공제가 적용됨을 특징으로 하는, 청구범위 11항의 방법.The method of claim 11, wherein the processing agent is applied to the filaments in at least one step after washing. 적어도 2g/dtex의 강도 20-70%의 절단신도, 조절된 광택특성을 갖는 폴리피로리돈의 섬유, 필라멘트, 사와 같은 신규한 공업제품.Novel industrial products such as fibers, filaments and yarns of polypyrrolidone with a cut elongation of 20-70% strength of at least 2 g / dtex and controlled gloss. 청구범위 1항에 따른 방법에 의해 제도된 폴리피로리돈섬유, 필라멘트 및 사.(F) polypyrrolidone fibers, filaments and yarns drawn up by a method according to claim 1; ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019810001310A 1980-04-16 1981-04-16 Process for the wet spinning of polypyrrolidone KR840001632B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
IT21396 1980-04-16
IT8021396A IT8021396A0 (en) 1980-04-16 1980-04-16 PROCEDURE FOR WET SPINNING OF PYRROLIDONE.
IT21396A/80 1980-04-16

Publications (2)

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KR830005405A true KR830005405A (en) 1983-08-13
KR840001632B1 KR840001632B1 (en) 1984-10-12

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KR1019810001310A KR840001632B1 (en) 1980-04-16 1981-04-16 Process for the wet spinning of polypyrrolidone

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JP (1) JPS5725413A (en)
KR (1) KR840001632B1 (en)
IT (1) IT8021396A0 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3138698B1 (en) * 2014-06-06 2018-12-26 Bridgestone Corporation Tire
JP2023110109A (en) * 2020-06-19 2023-08-09 国立大学法人京都工芸繊維大学 Production method of polyamide 4 fiber

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KR840001632B1 (en) 1984-10-12
JPS5725413A (en) 1982-02-10
IT8021396A0 (en) 1980-04-16

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