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WO2016058111A1 - Procédé de préparation de nanofibres poreuses - Google Patents

Procédé de préparation de nanofibres poreuses Download PDF

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Publication number
WO2016058111A1
WO2016058111A1 PCT/CN2014/000903 CN2014000903W WO2016058111A1 WO 2016058111 A1 WO2016058111 A1 WO 2016058111A1 CN 2014000903 W CN2014000903 W CN 2014000903W WO 2016058111 A1 WO2016058111 A1 WO 2016058111A1
Authority
WO
WIPO (PCT)
Prior art keywords
solution
spinning
sio
porous
nanofiber
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/CN2014/000903
Other languages
English (en)
Chinese (zh)
Inventor
袁振其
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Taicang Su Lun Textile Chemical Fiber Co Ltd
Original Assignee
Taicang Su Lun Textile Chemical Fiber Co Ltd
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 Taicang Su Lun Textile Chemical Fiber Co Ltd filed Critical Taicang Su Lun Textile Chemical Fiber Co Ltd
Priority to PCT/CN2014/000903 priority Critical patent/WO2016058111A1/fr
Publication of WO2016058111A1 publication Critical patent/WO2016058111A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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
    • 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
    • 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
    • D01F11/00—Chemical after-treatment of artificial filaments or the like during manufacture
    • 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
    • D01F11/00—Chemical after-treatment of artificial filaments or the like during manufacture
    • D01F11/04—Chemical after-treatment of artificial filaments or the like during manufacture of synthetic polymers
    • D01F11/06—Chemical after-treatment of artificial filaments or the like during manufacture of synthetic polymers of macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • 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
    • D01F11/00—Chemical after-treatment of artificial filaments or the like during manufacture
    • D01F11/04—Chemical after-treatment of artificial filaments or the like during manufacture of synthetic polymers
    • D01F11/08—Chemical after-treatment of artificial filaments or the like during manufacture of synthetic polymers of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • 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
    • D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
    • D01F6/44—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds
    • D01F6/54—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds of polymers of unsaturated nitriles
    • 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
    • D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
    • D01F6/88—Monocomponent 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
    • D01F6/92—Monocomponent 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 polyesters
    • 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
    • D01F9/00—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments

Definitions

  • the invention relates to a preparation method of porous nanofibers, in particular to a preparation method of porous nanofibers capable of improving dyeability.
  • polyester is a kind of synthetic fiber. Because the molecular structure of polyester is relatively regular, its hydrophilicity and dyeability are poor. Traditional chemical modification consumes a lot of water and chemicals, which is not only complicated to operate but also pollutes the environment.
  • the preparation of inorganic nanofibers by electrospinning combined with high-temperature calcination technology is a widely used method in recent years.
  • the method is simple to operate, and the prepared inorganic fiber structure can realize morphology and structure through solution properties, spinning parameters and post-treatment. Controllable, showing excellent properties in the field of textile materials.
  • HF Hydrofluoric acid
  • SiO 2 silica
  • SiO 2 +6HF H 2 SIF 6 +2H 2 O.
  • the SiO 2 sacrificial layer is etched by HF. Due to the different reaction of nanofibers and SiO 2 to HF, the effect of removing the nanofibers can be achieved by using the method of particle doping in the removal, thereby providing a comparative area of the fabric and improving the dyeability. purpose.
  • a method for preparing porous nanofibers comprising:
  • nanofibers containing SiO 2 nanoparticles are soaked in an HF solution and slowly stirred, washed and dried to obtain a porous nanofiber fabric.
  • the nanomaterial is one or a mixture of materials of polyester, polyacrylonitrile and its copolymer, cellulose and lignin, and the solution is N,N-dimethyldiamide.
  • the mass ratio of the textile material to the solvent is 1:9 to 1:5, and the mass fraction of the polyvinylpyrrolidone is 10%; in the step 2), the SiO 2 nanoparticles are added to the nanometer. 5-13% of the fiber polymer solution; in step 3), the additional electric field strength is 0.2kv/cm-2kv/cm, the receiving screen is 10-45cm from the spinneret, and the baking temperature is 400-650°C; In step 4), the HF solution has a mass fraction of 25-55%, and the soaking and slow agitation time is 8-16 h.
  • step 1) the mass ratio of the textile material to the solvent is 1:7; in step 2), the SiO 2 nanoparticle is added as 8% of the nanofiber polymer solution; in step 3), The additional electric field strength is 1 kv/cm, the receiving screen is 35 cm from the spinning port, and the baking temperature is 550 ° C; in the step 4), the mass fraction of the HF solution is 45%, and the time of the soaking and slow stirring is 10h.
  • the nanofibers have a diameter of 300 to 400 nm.
  • HF is used to etch the sacrificial layer of SiO2. Since the reaction of nanofibers and SiO 2 to HF is different, the effect of the nanofibers can be achieved by using the method of particle doping in the removal, mesoporous and microporous structure. coexist.
  • the specific surface area of the fabric can be effectively improved, the dye can be better dispersed therein, the dye uptake rate of the dye can be increased, and the dyeing of the color flower and the color stripe can be avoided.
  • the increase of fabric pores allows the dye to diffuse to the internal volume and the amount of fixation increases. Therefore, the dyeing rate and color of the fabric are improved, and the pilling phenomenon of the fabric is improved.
  • the manufacturing process is simple, the environment is protected, the cost is low, and it is suitable for large-scale industrial production.
  • the spinning material is dissolved in a solvent, 10% polyvinylpyrrolidone is added, and the mixture is uniformly stirred to prepare a nanofiber spinning solution; the mass ratio of the textile material to the solvent is 1:9, and the nano material is polyester, polyacrylonitrile and One or a mixture of materials of copolymer and lignin, the solution being N,N-dimethyldiamide.
  • the spinning solution is added to an electrospinning machine for electrospinning, the additional electric field strength is 0.2 kV/cm, the screen is 10 cm from the spinneret, and the baking temperature is 400 ° C to obtain fibers containing SiO 2 nanoparticles. .
  • nanofibers containing SiO 2 nanoparticles were soaked in a 25% HF solution and slowly stirred for 8 hours, and washed and dried to obtain a porous nanofiber fabric.
  • the surface roughness of the fabric is increased, the dyeing rate is increased, and the color fastness of the finished product is shown in Table 1.
  • the spinning material is dissolved in a solvent, 10% polyvinylpyrrolidone is added, and the mixture is uniformly stirred to prepare a nanofiber spinning solution; the mass ratio of the textile material to the solvent is 1:5, and the nano material is polyester, polyacrylonitrile and One or a mixture of materials of copolymer and lignin, the solution being N,N-dimethyldiamide.
  • the spinning solution was added to an electrospinning machine for electrospinning, an additional electric field strength of 2 kV/cm, a screen distance of 45 cm from the spinneret, and a baking temperature of 650 ° C to obtain fibers containing SiO 2 nanoparticles.
  • nanofibers containing SiO 2 nanoparticles were soaked in a 55% HF solution and slowly stirred for 16 hours, and washed and dried to obtain a porous nanofiber fabric.
  • the surface roughness of the fabric is increased, the dyeing rate is increased, and the color fastness of the finished product is shown in Table 1.
  • the spinning material is dissolved in a solvent, 10% polyvinylpyrrolidone is added, and the mixture is uniformly stirred to prepare a nanofiber spinning solution; the mass ratio of the textile material to the solvent is 1:7, and the nano material is polyester, polyacrylonitrile and One or a mixture of materials of copolymer and lignin, the solution being N,N-dimethyldiamide.
  • the spinning solution was added to an electrospinning machine for electrospinning, an additional electric field strength of 1 kV/cm, a screen distance of 35 cm from the spinneret, and a baking temperature of 550 ° C to obtain fibers containing SiO 2 nanoparticles.
  • nanofibers containing SiO 2 nanoparticles were soaked in a 45% HF solution and slowly stirred for 10 hours, and washed and dried to obtain a porous nanofiber fabric.
  • the surface roughness of the fabric is increased, the dyeing rate is increased, and the color fastness of the finished product is shown in Table 1.
  • Table 1 shows the color fastness of the finished products in Examples 1, 2, and 3:

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Textile Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
  • Nonwoven Fabrics (AREA)

Abstract

L'invention concerne un procédé de préparation de nanofibres poreuses, le procédé consistant : à dissoudre une matière de filage dans un solvant, à ajouter de la polyvinylpyrrolidone, à agiter uniformément, et à préparer une solution polymère de nanofibres ; à ajouter des nanoparticules de SiO2 à la solution polymère de nanofibres, et à agiter magnétiquement jusqu'à ce qu'elles soient uniformes, la solution résultante agissant comme solution de filage ; à verser la solution de filage dans un dispositif de projection, à tisser sous l'effet d'un champ électrique supplémentaire, à obtenir des nanofibres contenant des nanoparticules de SiO2 en contrôlant le temps de filage et en déplaçant un écran de réception, et à effectuer un surchauffage fort ; à tremper une solution de nanofibres contenant des nanoparticules de SiO2 avec une solution HF, et à agiter lentement, à laver et à sécher, et à obtenir un tissu de nanofibres poreuses. La présente invention utilise un moyen de dopage et de retrait de particules, obtient un effet de production de trou sur les nanofibres, et est ainsi utilisé de façon à augmenter la zone comparative du tissu et améliorer des propriétés de coloration.
PCT/CN2014/000903 2014-10-13 2014-10-13 Procédé de préparation de nanofibres poreuses Ceased WO2016058111A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/CN2014/000903 WO2016058111A1 (fr) 2014-10-13 2014-10-13 Procédé de préparation de nanofibres poreuses

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2014/000903 WO2016058111A1 (fr) 2014-10-13 2014-10-13 Procédé de préparation de nanofibres poreuses

Publications (1)

Publication Number Publication Date
WO2016058111A1 true WO2016058111A1 (fr) 2016-04-21

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2014/000903 Ceased WO2016058111A1 (fr) 2014-10-13 2014-10-13 Procédé de préparation de nanofibres poreuses

Country Status (1)

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WO (1) WO2016058111A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112693192A (zh) * 2020-12-21 2021-04-23 芜湖尚唯汽车饰件有限公司 一种轻量化隔音布的加工工艺
CN115096876A (zh) * 2022-06-20 2022-09-23 山东省分析测试中心 一种电致化学发光检测氟离子传感器及其应用方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002016680A1 (fr) * 2000-08-18 2002-02-28 Creavis Gesellschaft Für Technologie Und Innovation Mbh Fabrication de fibres polymeres a morphologies nanometriques
CN101781815A (zh) * 2010-02-03 2010-07-21 东华大学 组织工程支架用降解速率可控的多孔纤维的制备方法
CN102013516A (zh) * 2010-10-22 2011-04-13 浙江大学 一种多孔纤维凝胶聚合物电解质及其制备方法
CN102268783A (zh) * 2011-06-20 2011-12-07 东华大学 具有高离子迁移数的pvdf多孔纳米纤维膜的制备方法
CN103741263A (zh) * 2014-01-15 2014-04-23 辽宁石油化工大学 一种高比表面多孔TiO2纳米纤维的制备方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002016680A1 (fr) * 2000-08-18 2002-02-28 Creavis Gesellschaft Für Technologie Und Innovation Mbh Fabrication de fibres polymeres a morphologies nanometriques
CN101781815A (zh) * 2010-02-03 2010-07-21 东华大学 组织工程支架用降解速率可控的多孔纤维的制备方法
CN102013516A (zh) * 2010-10-22 2011-04-13 浙江大学 一种多孔纤维凝胶聚合物电解质及其制备方法
CN102268783A (zh) * 2011-06-20 2011-12-07 东华大学 具有高离子迁移数的pvdf多孔纳米纤维膜的制备方法
CN103741263A (zh) * 2014-01-15 2014-04-23 辽宁石油化工大学 一种高比表面多孔TiO2纳米纤维的制备方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112693192A (zh) * 2020-12-21 2021-04-23 芜湖尚唯汽车饰件有限公司 一种轻量化隔音布的加工工艺
CN115096876A (zh) * 2022-06-20 2022-09-23 山东省分析测试中心 一种电致化学发光检测氟离子传感器及其应用方法

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