CN106930120A - A kind of colouring method of polyimide fiber - Google Patents

A kind of colouring method of polyimide fiber Download PDF

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Publication number
CN106930120A
CN106930120A CN201710155406.0A CN201710155406A CN106930120A CN 106930120 A CN106930120 A CN 106930120A CN 201710155406 A CN201710155406 A CN 201710155406A CN 106930120 A CN106930120 A CN 106930120A
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China
Prior art keywords
fiber
pigment
fixation
time
catalysis
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CN201710155406.0A
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Chinese (zh)
Inventor
黄雪红
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Nantong Textile Vocational Technology College
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Nantong Textile Vocational Technology College
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Priority to CN201710155406.0A priority Critical patent/CN106930120A/en
Publication of CN106930120A publication Critical patent/CN106930120A/en
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Classifications

    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06PDYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P1/00General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
    • D06P1/44General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06MTREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M11/00Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
    • D06M11/32Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
    • D06M11/36Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with oxides, hydroxides or mixed oxides; with salts derived from anions with an amphoteric element-oxygen bond
    • D06M11/38Oxides or hydroxides of elements of Groups 1 or 11 of the Periodic Table
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06PDYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P3/00Special processes of dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form, classified according to the material treated
    • D06P3/02Material containing basic nitrogen
    • D06P3/022Material containing basic nitrogen using basic dyes
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06PDYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
    • D06P5/00Other features in dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form
    • D06P5/02After-treatment
    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06MTREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
    • D06M2101/00Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
    • D06M2101/16Synthetic fibres, other than mineral fibres
    • D06M2101/30Synthetic polymers consisting of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Coloring (AREA)

Abstract

The invention discloses a kind of colouring method of polyimide fiber, comprise the following steps:Dye → fixation → dehydration → drying on fiber catalysis → pigment.The main dispersion for being dispersed in cation dispersing agent using superfine pigment, forming stabilization of the invention.In the presence of base catalyst, the end acid anhydride of molecule is hydrolyzed into carboxyl to polyimide fiber, and carboxyl is in a water bath anion.There is suction-operated in cation superfine pigment dispersion, with the carboxyl of fiber molecule end acid anhydride hydrolysis generation because pigment neutral in itself, it is impossible to form with fiber ionic bond as the dye of positive ion and set.Fixation can only be carried out with adhesive, shades of colour, or even the pigment of white is produced physical reactions with polyimide fiber, adhered on fiber, polyimide fiber is caught shades of colour.Compensate for dyeing can only go up yellow more dark colour defect of the dye than fiber in itself.

Description

A kind of colouring method of polyimide fiber
Technical field
The present invention relates to textile industry fabric field, and in particular to a kind of colouring method of polyimide fiber.
Background technology
Polyimide fiber possesses good spinnability, can be made the textile that all kinds of special occasions are used.Due to tool There are high-low temperature resistant characteristic, anti-flammability, not molten drop, from fiery self-extinguishment and splendid heat-insulated character, polyimide fiber protective clothing for proximity fire fighting Comfortable and easy to wear, skin adaptability is good, permanent fire retardant, and dimensionally stable, security be good, long service life, and other fiber phases Than being also excellent temperature insulating material because material thermal conductivity factor in itself is low.Industrial and protective clothing aspect, metallurgy department of China is every Need 50,000 sets heat-insulated, ventilative, soft of fire-retardant work clothes year, the department such as water power, nuclear industry, Di Kuang, petrochemical industry, oil field year needs 300,000 Set protection clothes, need heat-resistant fireproof special type protection to take fiber 300t or so in year.
The non-woven fabrics that polyimide fiber is made into, is that protective garment, the anti-flaming clothes of racing car, the flying suit of making armoured force etc. are anti- The ideal fibrous material of fiery flame-resistant garment.This nano-fiber for production of non-woven may further be used to the comfortable and warming function of manufacture Property clothes, such as military clothes, medical sanitary clothes, the easy dress, anti-chemical and biological weapons high-performance apparel, the medical sanitary that eliminate bad body odour Protective clothes, efficient smog protective face mask etc..
The polyimide fiber of Lianyun Harbour Ao Shen groups of country production at present mainly has the long filament of 10-300D, also short fibre. Color is yellowish-brown, and the unicity and limitation of color bring certain restriction for the aesthetic feeling of clothes.
The content of the invention
Goal of the invention:The present invention provides a kind of colouring method of polyimide fiber, solves polyimide fiber color list The problem of one property, can not only contaminate the color than this color depth of fiber, it is also possible to which dye light color or even white, are polyimide fiber The market expansion is laid a good foundation, and makes polyimide fiber from special trade, into civilian industry.
Technical scheme:A kind of colouring method of polyimide fiber, comprises the following steps:Contaminated on fiber catalysis → pigment → Fixation → dehydration → drying;Concrete operations are as follows:
(1) fiber catalysis:Using the cheese of polyimides long filament 10-300D, technology preparation is:30% hydroxide Sodium:4~6g/L, bath raio is 1:20~30;Process conditions:Temperature is 40~50 DEG C, and catalysis time is 15~20min;
(2) contaminated on pigment:Technology preparation:The kation S MD coating red dispersions of G-18:1-3%, kation S MD coating G-22 Huang dispersions:1-3%;Bath raio:1:40;Process conditions:Temperature is 60-65 DEG C, and the time is 30-40min, heating rate It is 2~3 DEG C/min;
(3) fixation:Technology preparation:Adhesive is 2-3mL/L;Process conditions:Tack temperature is 50-60 DEG C, bonds the time It is 20-30min;Fixation terminates to be washed twice with clear water;
(4) it is dehydrated:The time of centrifugal dehydration is 6-8min;
(5) hot-air seasoning:Drying temperature is 150-160 DEG C, and drying time is 15-20min.
Beneficial effect:The main dispersion for being dispersed in cation dispersing agent using superfine pigment, forming stabilization of the invention System.In the presence of base catalyst, the end acid anhydride of molecule is hydrolyzed into carboxyl to polyimide fiber, carboxyl in a water bath for it is cloudy from Son.There is suction-operated in cation superfine pigment dispersion, with the carboxyl of fiber molecule end acid anhydride hydrolysis generation because pigment Itself neutral, it is impossible to form with fiber ionic bond as the dye of positive ion and set.Fixation can only be carried out with adhesive, Shades of colour, or even the pigment of white is produced physical reactions with polyimide fiber, adhere on fiber, make polyimides fine Dimension can catch shades of colour.Compensate for dyeing can only go up yellow more dark colour defect of the dye than fiber in itself.
Specific embodiment
With reference to specific embodiment, the present invention will be described in detail.
Specific embodiment one:
A kind of colouring method of polyimide fiber, comprises the following steps:Dye → fixation on fiber catalysis → pigment → de- Water → drying;Concrete operations are as follows:
(1) fiber catalysis:Using the cheese of polyimides long filament 10D, technology preparation is:30% NaOH:4g/ L, bath raio is 1:20;Process conditions:Temperature is 40 DEG C, and catalysis time is 15min;
The technological principle of fiber catalysis is as follows:It is not dyestuff due to coating but a kind of pigment, without substantivity, will not yet React to form covalent bond, ionic bond with fiber, so the most basic absorption principle of coating is modified by fiber Treatment, in the presence of base catalyst, the end acid anhydride of molecule is hydrolyzed into carboxyl to polyimide fiber, and carboxyl is in a water bath the moon Ion, makes fiber in negative electrical charge, can improve the Coulomb attraction of coating and fiber, produces absorption property.
(2) contaminated on pigment:Technology preparation:The kation S MD coating red dispersions of G-18:1%th, kation S MD coating G- 22 yellow dispersions:1%;Bath raio:1:40;Process conditions:Temperature is 60 DEG C, and the time is 30min, and heating rate is 2 DEG C/min;
Polyimides long filament makes it to cation fine paint dispersion by being just in negative charge after catalytic treatment Adsorption capacity enhancing.
(3) fixation:Technology preparation:Adhesive is 2mL/L;Process conditions:Tack temperature is 50 DEG C, and the bonding time is 20min;Fixation terminates to be washed twice with clear water;
By after catalysis, coating is only capable of absorption on the surface of fiber to polyimide fiber, only by fixation, i.e. adhesive Self-crosslinking and fiber between crosslinking, can be only achieved certain color fastness.
(4) it is dehydrated:The time of centrifugal dehydration is 6min;
(5) hot-air seasoning:Drying temperature is 150 DEG C, and drying time is 15min.
Specific embodiment two:
A kind of colouring method of polyimide fiber, comprises the following steps:Dye → fixation on fiber catalysis → pigment → de- Water → drying;Concrete operations are as follows:
(1) fiber catalysis:Using the cheese of polyimides long filament 300D, technology preparation is:30% NaOH: 6g/L, bath raio is 1:30;Process conditions:Temperature is 50 DEG C, and catalysis time is 20min;
The technological principle of fiber catalysis is as follows:It is not dyestuff due to coating but a kind of pigment, without substantivity, will not yet React to form covalent bond with fiber, so the most basic absorption principle of coating is the treatment for being modified fiber.It is exactly The grafting that we say i.e. modification, on the one hand makes fiber be firmly bonded with coating, on the other hand makes fiber be in positive electricity. Adding alkali simultaneously can improve the hydroxy combining on grafting agent and fiber, can improve the absorption property of coating.
(2) contaminated on pigment:Technology preparation:The kation S MD coating red dispersions of G-18:3%th, kation S MD coating G- 22 yellow dispersions:3%;Bath raio:1:40;Process conditions:Temperature is 65 DEG C, and the time is 40min, and heating rate is 3 DEG C/min;
Polyimides long filament makes it to cation fine paint dispersion by being just in negative charge after catalytic treatment Adsorption capacity enhancing.
(3) fixation:Technology preparation:Adhesive is 3mL/L;Process conditions:Tack temperature is 60 DEG C, and the bonding time is 30min;Fixation terminates to be washed twice with clear water;
By after catalysis, coating is only capable of absorption on the surface of fiber to polyimide fiber, only by fixation, i.e. adhesive Self-crosslinking and fiber between crosslinking, can be only achieved certain color fastness.
(4) it is dehydrated:The time of centrifugal dehydration is 8min;
(5) hot-air seasoning:Drying temperature is 160 DEG C, and drying time is 20min.
Specific embodiment three:
A kind of colouring method of polyimide fiber, comprises the following steps:Dye → fixation on fiber catalysis → pigment → de- Water → drying;Concrete operations are as follows:
(1) fiber catalysis:Using the cheese of polyimides long filament 100D, technology preparation is:30% NaOH: 5g/L, bath raio is 1:24;Process conditions:Temperature is 46 DEG C, and catalysis time is 18min;
The technological principle of fiber catalysis is as follows:It is not dyestuff due to coating but a kind of pigment, without substantivity, will not yet React to form covalent bond, ionic bond with fiber, so the most basic absorption principle of coating is modified by fiber Treatment, in the presence of base catalyst, the end acid anhydride of molecule is hydrolyzed into carboxyl to polyimide fiber, and carboxyl is in a water bath the moon Ion, makes fiber in negative electrical charge, can improve the Coulomb attraction of coating and fiber, produces absorption property.
(2) contaminated on pigment:Technology preparation:The kation S MD coating red dispersions of G-18:2%th, kation S MD coating G- 22 yellow dispersions:2%;Bath raio:1:40;Process conditions:Temperature is 63 DEG C, and the time is 34min, heating rate is 2.5 DEG C/ min;
Polyimides long filament makes it to cation fine paint dispersion by being just in negative charge after catalytic treatment Adsorption capacity enhancing.
(3) fixation:Technology preparation:Adhesive is 2.5mL/L;Process conditions:Tack temperature is 54 DEG C, and the bonding time is 26min;Fixation terminates to be washed twice with clear water;
By after catalysis, coating is only capable of absorption on the surface of fiber to polyimide fiber, only by fixation, i.e. adhesive Self-crosslinking and fiber between crosslinking, can be only achieved certain color fastness.
(4) it is dehydrated:The time of centrifugal dehydration is 7min;
(5) hot-air seasoning:Drying temperature is 154 DEG C, and drying time is 18min.
The main dispersion for being dispersed in cation dispersing agent using superfine pigment, forming stabilization of the invention.Polyamides is sub- In the presence of base catalyst, the end acid anhydride of molecule is hydrolyzed into carboxyl to amine fiber, and carboxyl is in a water bath anion.Cation There is suction-operated in superfine pigment dispersion, with the carboxyl of fiber molecule end acid anhydride hydrolysis generation because pigment is not charged in itself Lotus, it is impossible to form ionic bond and set with fiber as the dye of positive ion.Fixation can only be carried out with adhesive, make various face Color, or even the pigment of white produces physical reactions with polyimide fiber, adheres on fiber, polyimide fiber is contaminated Upper shades of colour.Compensate for dyeing can only go up yellow more dark colour defect of the dye than fiber in itself.
The present invention is not limited to above-mentioned preferred forms, and anyone can show that other are various under enlightenment of the invention The product of form, however, make any change in its shape or structure, it is every with skill identical or similar to the present application Art scheme, is within the scope of the present invention.

Claims (1)

1. a kind of colouring method of polyimide fiber, it is characterised in that:Comprise the following steps:Contaminated on fiber catalysis → pigment → Fixation → dehydration → drying;Concrete operations are as follows:
(1) fiber catalysis:Using the cheese of polyimides long filament 10-300D, technology preparation is:30% NaOH:4~ 6g/L, bath raio is 1:20~30;Process conditions:Temperature is 40~50 DEG C, and catalysis time is 15~20min;
(2) contaminated on pigment:Technology preparation:The kation S MD coating red dispersions of G-18:1-3%, kation S MD coating G-22 Yellow dispersion:1-3%;Bath raio:1:40;Process conditions:Temperature is 60-65 DEG C, and the time is 30-40min, and heating rate is 2 ~3 DEG C/min;
(3) fixation:Technology preparation:Adhesive is 2-3mL/L;Process conditions:Tack temperature is 50-60 DEG C, and the bonding time is 20- 30min;Fixation terminates to be washed twice with clear water;
(4) it is dehydrated:The time of centrifugal dehydration is 6-8min;
(5) hot-air seasoning:Drying temperature is 150-160 DEG C, and drying time is 15-20min.
CN201710155406.0A 2017-03-16 2017-03-16 A kind of colouring method of polyimide fiber Pending CN106930120A (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107354775A (en) * 2017-08-15 2017-11-17 江南大学 A kind of ether alcohol class carrier dyeing method of polyimide fiber and fabric
CN107723826A (en) * 2017-11-03 2018-02-23 东华大学 A kind of method that two-step method continuous production prepares coloured polyimide fiber
CN108823771A (en) * 2018-08-08 2018-11-16 江苏工程职业技术学院 A kind of production method of high fire-retardance, high warming knitting artificial fur
CN109898347A (en) * 2019-02-28 2019-06-18 江苏工程职业技术学院 A kind of colouring method of polyimides staple in bulk
CN109898346A (en) * 2019-02-28 2019-06-18 江苏工程职业技术学院 A kind of colouring method of polyimides yarn
CN113445331A (en) * 2021-07-22 2021-09-28 绍兴市柯桥区东纺纺织产业创新研究院 Dyeing method for improving dyeing performance of polyimide fibers

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102587160A (en) * 2012-02-29 2012-07-18 绍兴文理学院 Dyeing method of aromatic polyamide fiber
CN102852008A (en) * 2012-09-06 2013-01-02 青岛大学 Method for improving cationic paint dyeing uniformity by using ultrasonic waves
CN103541214A (en) * 2013-10-21 2014-01-29 绍兴文理学院 Method for improving basic dye dyeing property of polyimide fiber
CN104532622A (en) * 2014-12-19 2015-04-22 东华大学 Method for dyeing aromatic polyimide fiber with disperse dye
CN105780177A (en) * 2016-03-11 2016-07-20 江苏奥神新材料股份有限公司 Production method of polyimide color silk
CN105951435A (en) * 2016-06-06 2016-09-21 盐城工学院 Dyeing method for modified polyimide fabrics

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102587160A (en) * 2012-02-29 2012-07-18 绍兴文理学院 Dyeing method of aromatic polyamide fiber
CN102852008A (en) * 2012-09-06 2013-01-02 青岛大学 Method for improving cationic paint dyeing uniformity by using ultrasonic waves
CN103541214A (en) * 2013-10-21 2014-01-29 绍兴文理学院 Method for improving basic dye dyeing property of polyimide fiber
CN104532622A (en) * 2014-12-19 2015-04-22 东华大学 Method for dyeing aromatic polyimide fiber with disperse dye
CN105780177A (en) * 2016-03-11 2016-07-20 江苏奥神新材料股份有限公司 Production method of polyimide color silk
CN105951435A (en) * 2016-06-06 2016-09-21 盐城工学院 Dyeing method for modified polyimide fabrics

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107354775A (en) * 2017-08-15 2017-11-17 江南大学 A kind of ether alcohol class carrier dyeing method of polyimide fiber and fabric
CN107354775B (en) * 2017-08-15 2019-06-21 江南大学 A kind of ether alcohol class carrier dyeing method of polyimide fiber and fabric
CN107723826A (en) * 2017-11-03 2018-02-23 东华大学 A kind of method that two-step method continuous production prepares coloured polyimide fiber
CN107723826B (en) * 2017-11-03 2020-01-14 东华大学 Method for continuously producing colored polyimide fibers by two-step method
CN108823771A (en) * 2018-08-08 2018-11-16 江苏工程职业技术学院 A kind of production method of high fire-retardance, high warming knitting artificial fur
CN109898347A (en) * 2019-02-28 2019-06-18 江苏工程职业技术学院 A kind of colouring method of polyimides staple in bulk
CN109898346A (en) * 2019-02-28 2019-06-18 江苏工程职业技术学院 A kind of colouring method of polyimides yarn
CN113445331A (en) * 2021-07-22 2021-09-28 绍兴市柯桥区东纺纺织产业创新研究院 Dyeing method for improving dyeing performance of polyimide fibers

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Application publication date: 20170707