CN106930117A - A kind of cationic dyeing method of polyimide fiber - Google Patents
A kind of cationic dyeing method of polyimide fiber Download PDFInfo
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- CN106930117A CN106930117A CN201710243426.3A CN201710243426A CN106930117A CN 106930117 A CN106930117 A CN 106930117A CN 201710243426 A CN201710243426 A CN 201710243426A CN 106930117 A CN106930117 A CN 106930117A
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- Prior art keywords
- polyimide fiber
- dyeing
- fabric
- colouring method
- dye
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Classifications
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—General 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
- D06P1/16—General 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 dispersed, e.g. acetate, dyestuffs
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P3/00—Special processes of dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form, classified according to the material treated
- D06P3/02—Material containing basic nitrogen
- D06P3/024—Material containing basic nitrogen using dispersed dyes
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- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Coloring (AREA)
Abstract
The invention discloses a kind of colouring method of the dye of positive ion of polyimide fiber, belong to technical field of textile printing.The present invention uses following technique：(1) impurity of the polyimide fiber fabric pretreatment to get rid of throwing, weaving and fabric adheres to during storage；(2) dyeing assigns fabric certain tinctorial yield；(3) dyed fabric is washed, soap boiling, washing to be to remove dyeing loose colour.In the present invention, polyimides fabric is dyeed under the high temperature conditions using the dye of positive ion, under conditions of without any auxiliary agent, fabric has certain washing color fastness after fabric has certain tinctorial yield, and dyeing.Simultaneously as without any auxiliary agent of addition in dyeing course, dyeing waste liquid only contains water and the dye of positive ion, and the requirement of liquid waste processing difficulty is low, pollution of the printing and dyeing waste liquid to environment is reduced.
Description
Technical field
The present invention relates to a kind of cationic dyeing method of polyimide fiber, belong to textile dyeing and finishing processing neck
Domain.
Background technology
Polyimides (Polyimide, PI) is a kind of high performance material containing imide ring, with excellent thermally-stabilised
Property, mechanical performance, insulating properties and radiation hardness, the various performances such as resistant to chemical etching are widely used in Aeronautics and Astronautics, automobile, micro-
The various special dimensions such as electronics, medicine equipment.Compared to other high-performance fibers such as aramid fiber, polyimide fiber can be severe
Condition play more preferable advantage.The limited oxygen index of polyimide fiber up to more than 38%, with the characteristic do not melted, from fire
Put out；More than 300 DEG C, heat decomposition temperature is up to 600 DEG C to the glass transition temperature of fiber, and resistance to elevated temperatures is notable；Equal benzene-type
The tensile strength of polyimide fiber is 3.0GPa up to 170MPa, stretch modulus；Polyimide fiber is insoluble in common organic
Solvent, the stability to oxidant, reducing agent is high, but intolerant to basic hydrolysis, therefore polyimide fiber can be made to degrade using basic hydrolysis
Into raw material dianhydride and diamines, so as to the purpose being recycled, its rate of recovery is up to 90%；Additionally, polyimide fiber also has very
Good biocompatibility, can be used to manufacture tableware and medicine equipment.It is wide that various excellent performances assign polyimide fiber
Application prospect.
In itself in golden yellow, because its glass transition temperature is higher, chemical-resistant reagent has good stability polyimide fiber, makes
It is very difficult into the dyeing of fiber and colorant match.Report at present on polyimide fiber dyeing is less.
The method that CN201410817952.2 reports polyimide fiber disperse dyeing, but fiber is needed through alkali lye before dyeing
High-temperature process, because polyimide fiber is not alkaline-resisting, the method produces certain influence on fibre strength；CN201510623413.X
A kind of polyimide fiber product disperse dyeing dyeing accelerant is disclosed, but the addition of dyeing accelerant increased dyeing waste liquid
Intractability.
The dye of positive ion is usually used in acrylic fibres dyeing, there is the dyeing for being applied to aramid fiber in recent years.The dye of positive ion point
Minor structure is relatively simple, and molecular weight is smaller, easily enters inside aramid fiber；Meanwhile, azacyclo- being contained the dye of positive ion, with virtue more
The structure of synthetic fibre fiber is approached, and more has affinity with fiber.But polyimide fiber has significantly different in structure with aramid fiber.
The content of the invention
The present invention provides a kind of cationic dyeing method of polyimide fiber, using the dye of positive ion in high temperature bar
Polyimides fabric is dyeed under part, under conditions of without any auxiliary agent, fabric has certain tinctorial yield, Er Qieran
Fabric has certain washing color fastness after color.
The cationic dyeing method of the polyimide fiber comprises the following steps：
Step one, removes the impurity of polyimide fiber surface attachment, dries；
Step 2, the polyimide fiber after drying is added in the dye liquor containing the dye of positive ion, is dyeed；
Step 3, by polyimide fiber washing, soap boiling, washing removing dyeing loose colour after the completion of dyeing.
In one embodiment of the invention, step one, polyimide fiber is added and contains surfactant and oil removing
In the solution of agent, bath raio is 20-30:1,30-60min is processed at 85-95 DEG C, dried naturally after taking-up.Surfactant
Concentration is 2-3g/L, and the concentration of degreaser is 1-2g/L.The surfactant can be nonionic surfactant, for example
AEO-7.The degreaser can be CT-3.
In one embodiment of the invention, step 2, the polyimide fiber after drying be added to containing sun from
In the dye liquor of sub- dyestuff, dyeing temperature is 120-130 DEG C, is incubated 40-120min.Dye liquor is 15 with the bath raio of fabric:1-
30:1；The dye of positive ion is 2.5%-10% to fabric weight (owf).
In one embodiment of the invention, be added to for polyimide fiber after the completion of dyeing contain soap by step 3
In the solution of lotion and sodium carbonate, bath raio is 20:1-30:1, fully washed after processing 15min at 85 DEG C.Described soaping agent can
Think nonionic surfactant.
In one embodiment of the invention, in step 2,120-130 DEG C is warmed up to 1.5-3 DEG C of speed.
In one embodiment of the invention, the agent concentration of soaping described in step 3 is 2-3g/L, concentration of sodium carbonate
It is 2-3g/L.
The present invention is dyeed, as a result using the dye of positive ion under conditions of without auxiliary agent to polyimides fabric
Fabric has certain tinctorial yield and washing color fastness after display dyeing.Simultaneously as any without addition in dyeing course
Auxiliary agent, dyeing waste liquid only contains water and the dye of positive ion, and the requirement of liquid waste processing difficulty is low, reduces dirt of the printing and dyeing waste liquid to environment
Dye.
Specific embodiment
Embodiment 1
2g polyimides knitted fabrics are taken, is put into and is contained nonionic surfactant AEO-7 (2g/L) and degreaser CT-3
In the solution of (1g/L), bath raio is 30:1,30min is processed at 95 DEG C, dry naturally.
Cationic red SD-GRL is added in dye liquor with weighing 2.5% amount to fabric, wherein the bath raio of dye liquor and fabric
It is 15:1,120 DEG C of insulation 40min are warmed up to the speed of 1.5 DEG C/min.
After the completion of dyeing, fabric is put into the liquid of soaping of the nonionic surfactant containing 2g/L and 2g/L sodium carbonate
In, bath raio is 20:1, at 85 DEG C to fabric treating 15min after fully wash, fabric dries naturally.
The color parameter and washing fastness of sample are as shown in table 1 after dyeing.
Embodiment 2
2g polyimides knitted fabrics are taken, is put into and is contained nonionic surfactant AEO-7 (3g/L) and degreaser CT-3
In the solution of (2g/L), bath raio is 15:1,30min is processed at 85 DEG C, dry naturally.
Cation orchid SD-GSL is added in dye liquor with weighing 5% amount to fabric, wherein dye liquor is with the bath raio of fabric
30:1,130 DEG C of insulation 120min are warmed up to the speed of 3 DEG C/min.
After the completion of dyeing, fabric is put into the liquid of soaping of the nonionic surfactant containing 3g/L and 3g/L sodium carbonate
In, bath raio is 30:1, at 85 DEG C to fabric treating 15min after fully wash, fabric dries naturally.
The color parameter and washing fastness of sample are as shown in table 1 after dyeing.
Embodiment 3
2g polyimides knitted fabrics are taken, is put into and is contained 3g/L nonionic surfactants AEO-7 (3g/L) and degreaser CT-
In the solution of 3 (1g/L), bath raio is 30:1,30min is processed at 95 DEG C, dry naturally.
Cationic red SD-GRL is weighed 2.5% with the amount in fabric 2.5% and cation orchid SD-GSL with to fabric
Amount is added in dye liquor, and wherein dye liquor and the bath raio of fabric is 20:1,130 DEG C of insulations are warmed up to the speed of 2 DEG C/min
60min。
After the completion of dyeing, fabric is put into the liquid of soaping of the nonionic surfactant containing 2g/L and 2g/L sodium carbonate
In, bath raio is 30:1, at 85 DEG C to fabric treating 15min after fully wash, fabric dries naturally.
The color parameter and washing fastness of sample are as shown in table 1 after dyeing.
CIELab, K/S and washing fastness series after the polyimides textile dyeing of table 1
Note：K/S values are fabric maximum absorption wavelength place corresponding K/S value of the fabric before no dyeing；Change color fastness,
Staining fastness is determined according to textile color stability testing standard GB/T3921-2008；Fracture strength is yarn strength, according to weaving
The bioassay standard GB/T3916-2013 of product single yarn ultimate strength and elongation at break is determined.
Although the present invention is disclosed as above with preferred embodiment, it is not limited to the present invention, any to be familiar with this skill
The people of art, without departing from the spirit and scope of the present invention, can do various changes with modification, therefore protection model of the invention
Enclose being defined of being defined by claims.
Claims (10)
1. a kind of colouring method of polyimide fiber, it is characterised in that comprise the following steps：
Step one, removes the impurity of polyimide fiber surface attachment, dries；
Step 2, the polyimide fiber after drying is added in the dye liquor containing the dye of positive ion, is dyeed；
Step 3, by polyimide fiber washing, soap boiling, washing removing dyeing, loose colour after the completion of dyeing.
2. a kind of colouring method of polyimide fiber according to claim 1, it is characterised in that step one, polyamides is sub-
Amine fiber is added in the solution containing surfactant and degreaser, and bath raio is 20-30:1, process 30- at 85-95 DEG C
60min, dries naturally after taking-up.
3. the colouring method of a kind of polyimide fiber according to claim 2, it is characterised in that surfactant it is dense
It is 2-3g/L to spend, and the concentration of degreaser is 1-2g/L.
4. the colouring method of a kind of polyimide fiber according to Claims 2 or 3, it is characterised in that live on the surface
Property agent is nonionic surfactant, and such as AEO-7, the degreaser is CT-3.
5. according to a kind of colouring method of any described polyimide fiber of claims 1 to 3, it is characterised in that step 2,
Polyimide fiber after drying is added in the dye liquor containing the dye of positive ion, and dyeing temperature is 120-130 DEG C, insulation
40-120min。
6. the colouring method of a kind of polyimide fiber according to claim 5, it is characterised in that dye liquor and fabric
Bath raio be 15:1-30:1；The dye of positive ion is 2.5%-10% to fabric weight (owf).
7. the colouring method of a kind of polyimide fiber according to claim 5 or 6, it is characterised in that in step 2, with
1.5-3 DEG C of speed is warmed up to 120-130 DEG C.
8. a kind of colouring method of polyimide fiber according to claim 1, it is characterised in that step 3, has dyeed
Polyimide fiber is added in the solution containing soaping agent and sodium carbonate after, bath raio is 20:1-30:1, in 85 DEG C for the treatment of
Fully washed after 15min.
9. the colouring method of a kind of polyimide fiber according to claim 8, it is characterised in that described soaping agent can
Think nonionic surfactant.
10. a kind of colouring method of polyimide fiber according to claim 8 or claim 9, it is characterised in that institute in step 3
For 2-3g/L, concentration of sodium carbonate is 2-3g/L to the agent concentration of soaping stated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710243426.3A CN106930117A (en) | 2017-04-14 | 2017-04-14 | A kind of cationic dyeing method of polyimide fiber |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710243426.3A CN106930117A (en) | 2017-04-14 | 2017-04-14 | A kind of cationic dyeing method of polyimide fiber |
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| CN106930117A true CN106930117A (en) | 2017-07-07 |
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| CN201710243426.3A Pending CN106930117A (en) | 2017-04-14 | 2017-04-14 | A kind of cationic dyeing method of polyimide fiber |
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Cited By (4)
| 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 |
| CN113026399A (en) * | 2020-12-30 | 2021-06-25 | 盐城工学院 | Dyeing method of nylon fiber |
| 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 |
| CN114645474A (en) * | 2022-04-25 | 2022-06-21 | 齐鲁工业大学 | Application of polyphenylamine-based dye in printing and dyeing of fabric fibers and dyeing method |
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| US5092904A (en) * | 1990-05-18 | 1992-03-03 | Springs Industries, Inc. | Method for dyeing fibrous materials |
| US6547835B1 (en) * | 1998-04-20 | 2003-04-15 | Southern Mills, Inc. | Flame and shrinkage resistant fabric blends and method for making same |
| CN104532622A (en) * | 2014-12-19 | 2015-04-22 | 东华大学 | Method for dyeing aromatic polyimide fiber with disperse dye |
| CN105133378A (en) * | 2015-09-25 | 2015-12-09 | 江南大学 | Dyeing carrier for dyeing polyimide fiber product by virtue of disperse dyes |
| CN105603719A (en) * | 2016-03-17 | 2016-05-25 | 江南大学 | Preparation method of easy-to-dye polyimide fabric employing chemical reduction method |
| CN105951435A (en) * | 2016-06-06 | 2016-09-21 | 盐城工学院 | Dyeing method for modified polyimide fabrics |
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2017
- 2017-04-14 CN CN201710243426.3A patent/CN106930117A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5092904A (en) * | 1990-05-18 | 1992-03-03 | Springs Industries, Inc. | Method for dyeing fibrous materials |
| US6547835B1 (en) * | 1998-04-20 | 2003-04-15 | Southern Mills, Inc. | Flame and shrinkage resistant fabric blends and method for making same |
| CN104532622A (en) * | 2014-12-19 | 2015-04-22 | 东华大学 | Method for dyeing aromatic polyimide fiber with disperse dye |
| CN105133378A (en) * | 2015-09-25 | 2015-12-09 | 江南大学 | Dyeing carrier for dyeing polyimide fiber product by virtue of disperse dyes |
| CN105603719A (en) * | 2016-03-17 | 2016-05-25 | 江南大学 | Preparation method of easy-to-dye polyimide fabric employing chemical reduction method |
| CN105951435A (en) * | 2016-06-06 | 2016-09-21 | 盐城工学院 | Dyeing method for modified polyimide fabrics |
Cited By (5)
| 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 |
| CN113026399A (en) * | 2020-12-30 | 2021-06-25 | 盐城工学院 | Dyeing method of nylon fiber |
| 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 |
| CN114645474A (en) * | 2022-04-25 | 2022-06-21 | 齐鲁工业大学 | Application of polyphenylamine-based dye in printing and dyeing of fabric fibers and dyeing method |
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Application publication date: 20170707 |