CN104831385B - A kind of cotton linter bicomponent filament yarn preparation method of original liquid coloring - Google Patents
A kind of cotton linter bicomponent filament yarn preparation method of original liquid coloring Download PDFInfo
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- CN104831385B CN104831385B CN201510223694.XA CN201510223694A CN104831385B CN 104831385 B CN104831385 B CN 104831385B CN 201510223694 A CN201510223694 A CN 201510223694A CN 104831385 B CN104831385 B CN 104831385B
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- cotton linter
- coagulating bath
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- reactive dye
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Abstract
The present invention relates to a kind of cotton linter bicomponent filament yarn preparation method of original liquid coloring, it is characterised in that comprises the steps：1) stock staining solution is prepared：Reactive dye are soluble in water, it is prepared into the stock staining solution that reactive dye concentration is 20 40wt%；2) spinning solution is prepared：Described stock staining solution is added in cotton linter dispersion liquid, the cotton linter dispersion liquid is carboxymethyl chitosan sugar aqueous solution, the addition of the stock staining solution is calculated as 1 3.5wt% of the cotton linter dispersion liquid with the weight of reactive dye；65 85 DEG C are warming up to after stirring, that is, obtains the spinning solution of original liquid coloring；3) coagulating bath is prepared：Citric acid and sodium citrate is soluble in water, coagulating bath is prepared, the concentration of citric acid described in coagulating bath is 35 45g/l, the 1.2g/l of concentration 0.8 of the sodium citrate；Coagulating bath is warming up to and the spinning solution identical temperature；4) using described coagulating bath to the spinning according to a conventional method of described spinning solution.Bicomponent filament yarn color fastness of the present invention is high, and reactive dye utilization rate is high.
Description
Technical field
The present invention relates to field of textiles, a kind of cotton linter bicomponent filament yarn preparation method of original liquid coloring is referred specifically to.
Background technology
Traditional cotton fiber dyeing method is piece dyeing, that is, is spun into after cloth and dyes again, aftertreatment technology route length, energy consumption
Height, poor color fastness, dyeing waste discharge capacity are big, environmental protection pressure weight.Also have at present and color spinning is carried out to raw cotton, but in dyeing course
The dye-uptake of middle reactive dye is not high, and dyefastness is low, causes the waste of a large amount of reactive dye, increases being processed into for dyeing waste water
This problem of.
The content of the invention
The technical problems to be solved by the invention are to provide one kind for the present situation of prior art and can enter while spinning
Row dyeing and the cotton linter bicomponent filament yarn preparation method of the high original liquid coloring of color fastness.
The present invention solve the technical scheme that is used of above-mentioned technical problem for：The cotton linter bicomponent filament yarn system of the original liquid coloring
Preparation Method, it is characterised in that comprise the steps：
1) stock staining solution is prepared：Reactive dye are soluble in water, it is prepared into the dyestuff that reactive dye concentration is 20-40wt%
Stoste；
2) spinning solution is prepared：Described stock staining solution is added in cotton linter dispersion liquid, the cotton linter dispersion liquid is
Carboxymethyl chitosan sugar aqueous solution, the addition of the stock staining solution is calculated as the cotton linter dispersion liquid with the weight of reactive dye
1-3.5wt%；65-85 DEG C is warming up to after stirring, that is, obtains the spinning solution of original liquid coloring；
3) coagulating bath is prepared：Citric acid and sodium citrate is soluble in water, prepare coagulating bath, citric acid described in coagulating bath
Concentration be 35-45g/l, the concentration 0.8-1.2g/l of the sodium citrate；Coagulating bath is warming up to identical with the spinning solution
Temperature；
4) using described coagulating bath to the spinning according to a conventional method of described spinning solution.
Cotton linter dispersion liquid in such scheme can as needed from it is of the prior art any one, for example invent
Cotton linter carboxymethyl chitosan sugar aqueous solution disclosed in patent ZL201310220274.7, wherein, the fibrous body of cotton linter is long
Spend for 0.2cm~1.2cm；The concentration of carboxymethyl chitosan is 10~30g/l, also, carboxylic first in carboxymethyl chitosan sugar aqueous solution
Base enclosure glycan and the mass ratio of cotton staple are 3:1~1:3, cotton staple concentration in spinning solution is 5g/l~15g/l.
Compared with prior art, the present invention has advantages below:
(1) bicomponent filament yarn remains the excellent textile performance and wearability of cotton process of fiber.(2) by adjusting activity dye
The color and concentration of material, can obtain different colours and the original liquid coloring bicomponent filament yarn of different colours depth.(3) bicomponent filament yarn color
Fastness is high, and reactive dye utilization rate is high.(4) generation of dyeing and finishing wastewater after spinning is avoided, environmental protection pressure is reduced.
Brief description of the drawings
Fig. 1 is the process chart of the embodiment of the present invention.
Embodiment
The present invention is described in further detail below in conjunction with accompanying drawing embodiment.
As shown in figure 1, the cotton linter bicomponent filament yarn preparation method of the original liquid coloring comprises the steps：
1) stock staining solution is prepared：Reactive dye are soluble in water, it is prepared into the dyestuff that reactive dye concentration is 20-40wt%
Stoste；Reactive dye can be as needed color from it is of the prior art any one.
2) spinning solution is prepared：Described stock staining solution is added in cotton linter dispersion liquid, the cotton linter dispersion liquid is
Carboxymethyl chitosan sugar aqueous solution, the addition of the stock staining solution is calculated as the cotton linter dispersion liquid with the weight of reactive dye
1-3.5wt%；70 DEG C are warming up to after stirring, that is, obtains the spinning solution of original liquid coloring.
Above-mentioned cotton linter can use new cotton linter, can also use the cotton linter of regeneration, or regeneration cotton linter and
New cotton linter is used cooperatively.Cotton linter dispersion liquid in the present embodiment is used in ZL201310220274.7, and fibrous body is long
Spend for 0.2cm~1.2cm；The concentration of carboxymethyl chitosan is 20g/l, also, carboxymethyl shell in carboxymethyl chitosan sugar aqueous solution
Glycan and the mass ratio of cotton staple are 1:1, cotton staple concentration in spinning solution is 10g/l.
3) coagulating bath is prepared：Citric acid and sodium citrate is soluble in water, coagulating bath is prepared, citric acid is dense in coagulating bath
Spend for 35-45g/l, the present embodiment is 40g/l, the concentration 1.0g/l of sodium citrate；Coagulating bath is warming up to and the spinning solution
Identical temperature；
4) using described coagulating bath to the spinning according to a conventional method of described spinning solution.
The present embodiment selects wet spinning, is specially：Pressure be 0.2MPa~5.0MPa under conditions of by spinning solution from
The spinneret orifice extrusion of spinning-drawing machine, polymerizing curable is into precursor in coagulating bath for liquid stream, and the precursor carries out Pyatyi by drawing rollers
Drawing-off, drafting multiple is respectively 1.1 times, 1.7 times, 2.2 times, 1.8 times, 1.5 times；
Wherein the aperture of spinneret orifice is 2mm~5mm, and the gauge of drawing rollers is 1.5~2.0cm.
Carried out again after spinning after conventional cold water washing, drying and dry state drawing-off, that is, the cotton long filament dyed.
Testing result is as shown in table 1 to be detected to the cotton long filament prepared.
Table 1
Claims (1)
1. the cotton linter bicomponent filament yarn preparation method of a kind of original liquid coloring, it is characterised in that comprise the steps：
1) stock staining solution is prepared：Reactive dye are soluble in water, it is prepared into the dyestuff that reactive dye concentration is 20-40wt% former
Liquid；
2) spinning solution is prepared：Described stock staining solution is added in cotton linter dispersion liquid, the cotton linter dispersion liquid is carboxylic first
Base enclosure water solution, the addition of the stock staining solution is calculated as the 1- of the cotton linter dispersion liquid with the weight of reactive dye
3.5wt%；65-85 DEG C is warming up to after stirring, that is, obtains the spinning solution of original liquid coloring；
3) coagulating bath is prepared：Citric acid and sodium citrate is soluble in water, prepare coagulating bath, citric acid described in coagulating bath it is dense
Spend for 35-45g/l, the concentration 0.8-1.2g/l of the sodium citrate；Coagulating bath is warming up to and the spinning solution identical temperature
Degree；
4) using described coagulating bath to the spinning according to a conventional method of described spinning solution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510223694.XA CN104831385B (en) | 2015-05-04 | 2015-05-04 | A kind of cotton linter bicomponent filament yarn preparation method of original liquid coloring |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510223694.XA CN104831385B (en) | 2015-05-04 | 2015-05-04 | A kind of cotton linter bicomponent filament yarn preparation method of original liquid coloring |
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| Publication Number | Publication Date |
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| CN104831385A CN104831385A (en) | 2015-08-12 |
| CN104831385B true CN104831385B (en) | 2017-07-28 |
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| CN201510223694.XA Expired - Fee Related CN104831385B (en) | 2015-05-04 | 2015-05-04 | A kind of cotton linter bicomponent filament yarn preparation method of original liquid coloring |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109505019A (en) * | 2018-11-07 | 2019-03-22 | 午和（江苏）差别化纤维有限公司 | A kind of porous regenerated fiber preparation method of original liquid coloring |
| CN114457446A (en) * | 2022-01-25 | 2022-05-10 | 杭州奔马化纤纺丝有限公司 | Environment-friendly regenerated stock solution colored fiber and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103290508A (en) * | 2013-06-04 | 2013-09-11 | 浙江纺织服装职业技术学院 | Waste cotton textile regeneration spinning solution formulation and wet spinning process |
| CN104264280A (en) * | 2014-09-04 | 2015-01-07 | 江南大学 | Method for coloring alginate fiber stoste by adopting lake colors |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4994323A (en) * | 1988-08-01 | 1991-02-19 | E. I. Du Pont De Nemours And Company | Colored aramid fibers |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103290508A (en) * | 2013-06-04 | 2013-09-11 | 浙江纺织服装职业技术学院 | Waste cotton textile regeneration spinning solution formulation and wet spinning process |
| CN104264280A (en) * | 2014-09-04 | 2015-01-07 | 江南大学 | Method for coloring alginate fiber stoste by adopting lake colors |
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