WO2012108390A1 - Procédé de fabrication de fibre de cellulose - Google Patents

Procédé de fabrication de fibre de cellulose Download PDF

Info

Publication number
WO2012108390A1
WO2012108390A1 PCT/JP2012/052643 JP2012052643W WO2012108390A1 WO 2012108390 A1 WO2012108390 A1 WO 2012108390A1 JP 2012052643 W JP2012052643 W JP 2012052643W WO 2012108390 A1 WO2012108390 A1 WO 2012108390A1
Authority
WO
WIPO (PCT)
Prior art keywords
cellulose
raw material
material solution
fiber
absorbent cotton
Prior art date
Application number
PCT/JP2012/052643
Other languages
English (en)
Japanese (ja)
Inventor
昌範 和田
守正 松本
Original Assignee
日東紡績株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 日東紡績株式会社 filed Critical 日東紡績株式会社
Priority to JP2012556881A priority Critical patent/JP5817740B2/ja
Publication of WO2012108390A1 publication Critical patent/WO2012108390A1/fr

Links

Images

Classifications

    • 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
    • D01F2/00—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof
    • D01F2/02—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from solutions of cellulose in acids, bases or salts

Definitions

  • the present invention relates to a method for producing cellulose fibers.
  • regenerated cellulose fibers such as rayon fibers are known as cellulose fibers.
  • a highly toxic solvent such as carbon disulfide must be used to dissolve cellulose.
  • a method for producing cellulose fibers for example, a cellulose raw material such as pulp is dissolved in an ionic liquid composed of an imidazolium compound, and the obtained solution is extruded into a liquid that is compatible with the ionic liquid and insoluble in cellulose.
  • a method of spinning by coagulation by the above method There is known a method of spinning by coagulation by the above method.
  • 1-allyl-3-methylimidazolium chloride, 1-ethyl-3-methylimidazolium acetate, or the like is used as the ionic liquid composed of the imidazolium compound (for example, Patent Documents 1 and 2). reference).
  • melt blow spinning is used because of low spinnability, but this method has a disadvantage that only a single fiber can be obtained.
  • DMSO dimethyl sulfoxide
  • An object of the present invention is to provide a method for producing a cellulose fiber that eliminates such inconvenience, has excellent spinnability, and has no possibility of adversely affecting the environment.
  • the imidazolium compound is 1-ethyl-3-methylimidazolium acetate.
  • the absorbent cotton contains 95% by mass or more of cellulose with respect to the total amount, has a crystallinity of 70% or more and a degree of polymerization measured by the TAPPI method of 1000 or more.
  • the absorbent cotton is used for medical purposes, and in order to obtain a raw material solution excellent in spinnability, it is optimal to contain 98% by mass or more of cellulose, but if it contains 95% by mass or more of cellulose. Similar results can be obtained. If the cellulose content of the absorbent cotton is less than 95% by mass, the oil and fat content is unfavorable because it inhibits the spinnability during spinning.
  • the manufacturing method of the cellulose fiber of this embodiment can be implemented by, for example, the spinning device 1 shown in FIG.
  • the spinning device 1 includes a raw material solution container 3 supported by an arm 2 a attached to a base 2, and a raw material solution S supported by an arm 2 b attached to the base 2 and accommodated in the raw material solution container 3. And a piston 4 for pressurizing.
  • the piston 4 is provided so as to freely advance and retract by a cylinder (not shown).
  • an ionic liquid composed of 1-ethyl-3-methylimidazolium acetate is heated to a temperature of, for example, 120 ° C., and absorbent cotton (cellulose content 99% by mass, crystallinity 80%, TAPPI method) Is prepared by dissolving the degree of polymerization 1100) measured by
  • cellulose fibers F are guided to the drying step 10 by the rolls 5a, 5b, 5c provided in the coagulating liquid tank 5 and the roll 9 provided outside the coagulating liquid tank 5, and dried.
  • Example 1 In this example, first, 10 g of an ionic liquid composed of 1-ethyl-3-methylimidazolium acetate was heated to a temperature of 120 ° C., and absorbent cotton (cellulose content 99 mass%, crystallinity 80%, A raw material solution S having a concentration of 5% by mass was prepared by dissolving 0.5 g of a polymerization degree 1100) measured by the TAPPI method.
  • the cellulose fiber F was spun by the spinning device 1 shown in FIG.
  • the spinning conditions were such that the temperature of the raw material solution S was 70 ° C., the extrusion pressure was 1.5 MPa, the temperature of the coagulation liquid 6 (water) was 60 ° C., the diameter of the nozzle 8 was 0.05 mm, and the winding speed was 25 m / min.
  • cellulose fiber F could be obtained with good spinnability.
  • the fiber diameter was measured with a scanning electron microscope.
  • Table 1 shows the spinnability and fiber diameter of the cellulose fiber F obtained in this example.
  • a raw material solution S was prepared in exactly the same manner as in Example 1, except that an ionic liquid composed of 1-allyl-3-methylimidazolium chloride was used.
  • the cellulose fibers were made to be completely the same as in Example 1 by using the spinning device 1 shown in FIG.
  • the fiber diameter of the cellulose fiber obtained after spinning was measured in exactly the same way as in Example 1, and the fiber diameter was 35.8 ⁇ m.
  • fiber cutting occurred at a frequency of 11 times in 10 minutes, and the spinnability was poor.
  • Table 1 The results are shown in Table 1.
  • Example 4 in the case of a combination of a cellulose raw material other than the absorbent cotton and an ionic liquid composed of an imidazolium compound other than 1-ethyl-3-methylimidazolium acetate, the fiber is frequently cut and spinning itself cannot be performed (comparison) In Example 4), although fiber can be spun, the fiber is cut at a frequency of 11 times in 10 minutes, the spinning property is poor, and the fiber diameter becomes large, so that a practical cellulose fiber cannot be obtained ( It is clear that Comparative Example 6).

Landscapes

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

Abstract

La présente invention concerne un procédé de fabrication de fibre de cellulose ayant une excellente aptitude au filage. Après l'obtention d'une solution de matériau brut (S) par dissolution d'une matière première de cellulose dans un liquide ionique comprenant un composé d'imidazolium, la solution de matériau brut (S) est extrudée dans un liquide de coagulation (6) dans lequel le composé d'imidazolium est soluble et la cellulose est insoluble, amenant la cellulose contenue dans la solution de matériau brut (S) à coaguler. La matière première de cellulose contient 95 % en masse ou plus de cellulose par rapport à la masse totale, et a un degré de cristallinité de 70 % et un degré de polymérisation de 1000 ou plus mesuré par le procédé TAPPI. Le composé d'imidazolium est l'acétate de 1-éthyl-3-méthylimidazolium.
PCT/JP2012/052643 2011-02-07 2012-02-06 Procédé de fabrication de fibre de cellulose WO2012108390A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2012556881A JP5817740B2 (ja) 2011-02-07 2012-02-06 セルロース繊維の製造方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011-024131 2011-02-07
JP2011024131 2011-02-07

Publications (1)

Publication Number Publication Date
WO2012108390A1 true WO2012108390A1 (fr) 2012-08-16

Family

ID=46638605

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2012/052643 WO2012108390A1 (fr) 2011-02-07 2012-02-06 Procédé de fabrication de fibre de cellulose

Country Status (2)

Country Link
JP (1) JP5817740B2 (fr)
WO (1) WO2012108390A1 (fr)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014024260A1 (fr) * 2012-08-07 2014-02-13 日東紡績株式会社 Procédé pour produire des fibres de cellulose
JP2014147383A (ja) * 2013-01-09 2014-08-21 Tokyo Metropolitan Industrial Technology Research Institute リグノセルロースからのセルロース抽出方法
KR101472097B1 (ko) * 2013-12-31 2014-12-15 주식회사 효성 이온성 액체를 이용한 셀룰로오스 섬유의 제조방법
KR101472096B1 (ko) * 2013-12-31 2014-12-15 주식회사 효성 이온성 액체를 이용한 셀룰로오스 멀티 필라멘트
KR101472095B1 (ko) * 2013-12-18 2014-12-15 주식회사 효성 균일 셀룰로오스 섬유의 제조방법 및 이로부터 제조된 섬유
KR101472098B1 (ko) 2013-12-31 2014-12-16 주식회사 효성 이온성 액체를 이용한 셀룰로오스 섬유의 제조방법
WO2015053226A1 (fr) * 2013-10-07 2015-04-16 日東紡績株式会社 Longues fibres de cellulose ayant une résistance élevée et une élasticité élevée
KR101535212B1 (ko) * 2013-12-31 2015-07-24 주식회사 효성 고온·고압 고무 보강재용 셀룰로오스 섬유
WO2015111619A1 (fr) * 2014-01-24 2015-07-30 日東紡績株式会社 Longues fibres de cellulose régénérée contenant des cristaux de type i
WO2015163291A1 (fr) * 2014-04-21 2015-10-29 日東紡績株式会社 Procédé de fabrication de solution de cellulose

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005506401A (ja) * 2001-10-03 2005-03-03 ザ ユニヴァーシティー オブ アラバマ イオン性液体を用いたセルロースの溶解及びプロセッシング
JP2008248466A (ja) * 2007-03-29 2008-10-16 Weyerhaeuser Co イオン性液体中でセルロースを処理する方法、および、それによる繊維
JP2009203467A (ja) * 2008-01-31 2009-09-10 Kri Inc セルロースを溶解する溶媒及びセルロース溶液からの成形体

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005506401A (ja) * 2001-10-03 2005-03-03 ザ ユニヴァーシティー オブ アラバマ イオン性液体を用いたセルロースの溶解及びプロセッシング
JP2008248466A (ja) * 2007-03-29 2008-10-16 Weyerhaeuser Co イオン性液体中でセルロースを処理する方法、および、それによる繊維
JP2009203467A (ja) * 2008-01-31 2009-09-10 Kri Inc セルロースを溶解する溶媒及びセルロース溶液からの成形体

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPWO2014024260A1 (ja) * 2012-08-07 2016-07-21 日東紡績株式会社 セルロース繊維の製造方法
WO2014024260A1 (fr) * 2012-08-07 2014-02-13 日東紡績株式会社 Procédé pour produire des fibres de cellulose
JP2014147383A (ja) * 2013-01-09 2014-08-21 Tokyo Metropolitan Industrial Technology Research Institute リグノセルロースからのセルロース抽出方法
WO2015053226A1 (fr) * 2013-10-07 2015-04-16 日東紡績株式会社 Longues fibres de cellulose ayant une résistance élevée et une élasticité élevée
JPWO2015053226A1 (ja) * 2013-10-07 2017-03-09 日東紡績株式会社 高強度かつ高弾性セルロース長繊維
KR101472095B1 (ko) * 2013-12-18 2014-12-15 주식회사 효성 균일 셀룰로오스 섬유의 제조방법 및 이로부터 제조된 섬유
KR101472098B1 (ko) 2013-12-31 2014-12-16 주식회사 효성 이온성 액체를 이용한 셀룰로오스 섬유의 제조방법
KR101535212B1 (ko) * 2013-12-31 2015-07-24 주식회사 효성 고온·고압 고무 보강재용 셀룰로오스 섬유
KR101472096B1 (ko) * 2013-12-31 2014-12-15 주식회사 효성 이온성 액체를 이용한 셀룰로오스 멀티 필라멘트
KR101472097B1 (ko) * 2013-12-31 2014-12-15 주식회사 효성 이온성 액체를 이용한 셀룰로오스 섬유의 제조방법
WO2015111619A1 (fr) * 2014-01-24 2015-07-30 日東紡績株式会社 Longues fibres de cellulose régénérée contenant des cristaux de type i
JP5930129B2 (ja) * 2014-01-24 2016-06-08 日東紡績株式会社 Ｉ型結晶含有再生セルロース長繊維
JPWO2015111619A1 (ja) * 2014-01-24 2017-03-23 日東紡績株式会社 Ｉ型結晶含有再生セルロース長繊維
TWI648443B (zh) * 2014-01-24 2019-01-21 日東紡績股份有限公司 Regenerated cellulose long fiber containing type I crystal
WO2015163291A1 (fr) * 2014-04-21 2015-10-29 日東紡績株式会社 Procédé de fabrication de solution de cellulose
JPWO2015163291A1 (ja) * 2014-04-21 2017-04-13 日東紡績株式会社 セルロース溶解液の製造方法

Also Published As

Publication number Publication date
JP5817740B2 (ja) 2015-11-18
JPWO2012108390A1 (ja) 2014-07-03

Similar Documents

Publication Publication Date Title
JP5817740B2 (ja) セルロース繊維の製造方法
Hauru et al. Dry jet-wet spinning of strong cellulose filaments from ionic liquid solution
Chen et al. Combined effects of raw materials and solvent systems on the preparation and properties of regenerated cellulose fibers
Kang et al. Lignocellulosic nanofiber prepared by alkali treatment and electrospinning using ionic liquid
JP2014517161A (ja) リグニン含有前駆体繊維及びまた炭素繊維の生成のための方法
JP5544510B2 (ja) コンポジット繊維およびコンポジット繊維の製造方法
Yoon et al. Effects of degumming conditions on electro-spinning rate of regenerated silk
CA2775909A1 (fr) Procede de fabrication de fibres cellulosiques de faible fibrillation
CA2775918A1 (fr) Procede de fabrication de fibres cellulosiques de faible fibrillation
US4367191A (en) Preparation of cellulose films or fibers from cellulose solutions
JP5971340B2 (ja) セルロース繊維の製造方法
JP2013019065A (ja) 未修飾セルロースの中空繊維及びその紡糸法
JPWO2015163291A1 (ja) セルロース溶解液の製造方法
Vehviläinen et al. Dissolution of enzyme-treated cellulose using freezing–thawing method and the properties of fibres regenerated from the solution
KR101472098B1 (ko) 이온성 액체를 이용한 셀룰로오스 섬유의 제조방법
JP3717946B2 (ja) 押出品の製造
Hummel et al. High‐performance Lignocellulosic Fibers Spun from Ionic Liquid Solution
JP6590396B2 (ja) セルロース多孔質糸状成形体の製造方法
Song et al. Melt blowing of ionic liquid-based cellulose solutions
KR101472095B1 (ko) 균일 셀룰로오스 섬유의 제조방법 및 이로부터 제조된 섬유
KR101472094B1 (ko) 응고 속도에 따라 결정화도가 조절 가능한 셀룰로오스 섬유의 제조방법 및 이로부터 제조된 셀룰로오스 섬유
TWI580829B (zh) Manufacture of Cellulose Fibers
US11585015B2 (en) Process for the preparation of polymer fibers from polymers dissolved in ionic liquids by means of an air gap spinning process
Boy et al. Properties of cellulose–soy protein blend biofibers regenerated from an amine/salt solvent system
JP6541086B1 (ja) 高分子物質成形体の製造方法

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 12744274

Country of ref document: EP

Kind code of ref document: A1

ENP Entry into the national phase

Ref document number: 2012556881

Country of ref document: JP

Kind code of ref document: A

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 12744274

Country of ref document: EP

Kind code of ref document: A1