CN105386337A - Acidic dye dyeing method of modified viscose fibers - Google Patents
Acidic dye dyeing method of modified viscose fibers Download PDFInfo
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Abstract
The invention relates to an acidic dye dyeing method of modified viscose fibers. The method is characterized in that viscose fibers are modified, and the modified viscous fibers are dyed by a dyeing accelerant without adding electrolyte salts, and the dyeing accelerant is prepared by adding specific components. The dyeing method can improve the uniform diffusivity, the stainability and the light resistance of a dye in the viscose fibers, and increases the dimension stability and the tensile strength of the modified viscose fibers to a certain degree.
Description
Technical field
The present invention relates to ACID DYES technical field, particularly a kind of acid dyeing method of modified viscose fiber.
Background technology
The dyeing property of viscose is substantially identical with cotton fiber.At present, the dyeing of cellulose fibre that is natural or regeneration needs for alkaline agent and electrolyte, can obtain gratifying colour fixation by REACTIVE DYES.But the additive of these necessity is ecological unacceptable exactly.Therefore, future will more and more belong to such regenerated celulose fibre, and it is without the need to additional procedure of processing, has transformed the affinity that the paired dyestuff of modification has height in advance, that is, can dye without salt and alkali.The fiber of modification is similar to animal fiber (such as wool or silk) in chemical property in this way, can in neutral conditions need not separately salt adding or alkali with anionic dye dyeing.
The modification of viscose is refer to already in document.United States Patent (USP) A-3,793,419 describe a kind of method that manufacture has the viscose of novel dyeing property.But the method is extremely complicated and uneconomical.In addition, the polyaminoamide used seriously changes the original characteristic of fiber.This when such as using disperse dyeing subsequently clearly.Similarly, United States Patent (USP) A-3,305,377 relate to " fiber of amination ".Involved additive is aminoethyl and the diethyl amino cellulose of high concentration, only dyes under the electrolytic salt added exists by ACID DYES.Current acid dyeing technique, Color is unsatisfactory, and based on this, this kind of situation needs solution badly.
Summary of the invention
For the problems referred to above, the invention provides a kind of acid dyeing method of modified viscose fiber, the method comprises carries out modification to viscose, to make textile dyeing when separately not adding electrolytic salt by ACID DYES adding the accelerant of specific composition during modified viscose fiber staining.Colouring method of the present invention can improve the light resistance of dyestuff even diffusivity, coloring and dyestuff in viscose, and also improves to the DIMENSIONAL STABILITY of modified viscose fiber, TENSILE STRENGTH aspect.
To achieve these goals, the present invention adopts following technical scheme: a kind of acid dyeing method of modified viscose fiber, and the concrete operation step of the method is as follows:
(1) modification is carried out to viscose: be successively immersed in acetic acid and sodium bicarbonate solution by viscose and carry out preliminary treatment, take out after certain hour, repeatedly rinse with distilled water; Afterwards at low temperatures, by pretreated fiber cation modifier modification certain hour, dry: modified fiber is taken out, washs low temperature drying with distilled water; Described cation modifier be styrene, butyl acrylate, to vinylbenzyltrimethyl ammonium chloride synthesis copolymer, its consumption is 1 ~ 3g/L, and modification temperature is 60 ~ 70 DEG C, and modification time is 60 ~ 120min, and bath raio is 1: 30-50;
(2) modified viscose fiber staining: in dye vat first by water temp. heating to 25-30 DEG C, within the time of 3-5 minute, at the uniform velocity add chelating agent 1-3g/L; Temperature-resistant, within the time of 3-6 minute, at the uniform velocity add acid levelling agent 1-3g/L; Intensification 20-30 DEG C, at the uniform velocity adds ACID DYES and accelerant within the time of 5-10 minute, operates 10 minutes, then by water temp. heating to 100-105 DEG C, insulation 40-60 minute; Described accelerant is with parts by weight, and its concrete constituent content is as follows:
Polyethyleneoxide diamine 5-15
Epoxychloropropane 10-30
Triethanolamine 1-5
Ammonium persulfate 1-5
1,5-dihydroxy naphthlene 12-25
Diallyl amine hydrochlorate 0.5-3
Enuatrol 2-8
Dodecyl sldium lauryl sulfate 5-15
Sesbania gum 10-18
Polyoxyethylene styryl phenyl ether 3-6
Rare earth chloride 8-12
Alchlor 0.5-1
Deionized water 30-50;
(3) fixation: add dispersant 0.5-3g/L uniformly in 5-8 minutes; In 3-5 minute, at the uniform velocity add acidic color fixing agent 1-4g/L, then water is warmed to 80 DEG C, insulation 20-40 minute.
Further, carry out in the step of modification to viscose, the acetate concentration of fiber pre-treatment step is 0.5 ~ 2mol/L, and sodium bicarbonate concentration is 1 ~ 5mmol/L, and the processing time is 10 ~ 30min.
Further, described rare earth chloride is preferably europium chloride.
Further, described ACID DYES is with the acid red of sulfonic acid group, acid light yellow and acid orange.
Further, in described step (2), the consumption of ACID DYES is that dyeing temperature is 60-90 DEG C, and dyeing time is 15-20min, and bath raio is 1: 30 to fabric heavy 8-15%.
The selection of each component and each components by weight in the ACID DYES accelerant that the present invention uses, be through the preferred range value that By consulting literatures and lot of experiments draw.After wherein penetrating into modified viscose fiber by accelerant, a part can carry out chemical crosslinking with the active group on viscose cellulose, generate ehter bond, ester bond or acetal link (as free hydroxyl group, hydroxyl is the group that chemical reaction is the most active, hygroscopicity is the strongest, ehter bond, ester bond or acetal chain, and enclose hydroxyl) thus change the hydrophily of viscose; A part can reside in modified viscose fiber capillary channel carries out autohemagglutination, thus reach and improve sesbania gum knotting strength, a large amount of ehter bonds generated in simultaneous reactions can also improve the DIMENSIONAL STABILITY of viscose effectively, fibre strength aspect also improves.
Detailed description of the invention
Below by embodiment, technical scheme of the present invention is described in further detail.
Embodiment one:
An acid dyeing method for modified viscose fiber, the concrete operation step of the method is as follows:
(1) modification is carried out to viscose: be successively immersed in acetic acid and sodium bicarbonate solution by viscose and carry out preliminary treatment, take out after certain hour, repeatedly rinse with distilled water; Afterwards at low temperatures, by pretreated fiber cation modifier modification certain hour, dry: modified fiber is taken out, washs low temperature drying with distilled water; Described cation modifier be styrene, butyl acrylate, to vinylbenzyltrimethyl ammonium chloride synthesis copolymer, its consumption is 1g/L, and modification temperature is 60 DEG C, and modification time is 60min, and bath raio is 1: 30;
(2) modified viscose fiber staining: first by water temp. heating to 25 DEG C in dye vat, at the uniform velocity adds chelating agent 1g/L within the time of 3 minutes; Temperature-resistant, within the time of 3 minutes, at the uniform velocity add acid levelling agent 1g/L; Heat up 20 DEG C, within the time of 5 minutes, at the uniform velocity add ACID DYES and accelerant, operate 10 minutes, then by water temp. heating to 100 DEG C, be incubated 40 minutes; Described accelerant is with parts by weight, and its concrete constituent content is as follows:
Polyethyleneoxide diamine 5
Epoxychloropropane 10
Triethanolamine 1
Ammonium persulfate 1
1,5-dihydroxy naphthlene 12
Diallyl amine hydrochlorate 0.5
Enuatrol 2
Dodecyl sldium lauryl sulfate 5
Sesbania gum 10
Polyoxyethylene styryl phenyl ether 3
Europium chloride 8
Alchlor 0.5
Deionized water 30;
(3) fixation: add dispersant 0.5g/L uniformly in 5-8 minutes; In 3 minutes, at the uniform velocity add acidic color fixing agent 1g/L, then water is warmed to 80 DEG C, be incubated 20 minutes.Carry out in the step of modification to viscose, the acetate concentration of fiber pre-treatment step is 0.5mol/L, and sodium bicarbonate concentration is 1mmol/L, and the processing time is 10min.Described ACID DYES is the acid red with sulfonic acid group.In described step (2), the consumption of ACID DYES is weigh 8% to fabric, and dyeing temperature is 60 DEG C, and dyeing time is 15min, and bath raio is 1: 30.
Embodiment two:
An acid dyeing method for modified viscose fiber, the concrete operation step of the method is as follows:
(1) modification is carried out to viscose: be successively immersed in acetic acid and sodium bicarbonate solution by viscose and carry out preliminary treatment, take out after certain hour, repeatedly rinse with distilled water; Afterwards at low temperatures, by pretreated fiber cation modifier modification certain hour, dry: modified fiber is taken out, washs low temperature drying with distilled water; Described cation modifier be styrene, butyl acrylate, to vinylbenzyltrimethyl ammonium chloride synthesis copolymer, its consumption is 3g/L, and modification temperature is 70 DEG C, and modification time is 120min, and bath raio is 1: 50;
(2) modified viscose fiber staining: first by water temp. heating to 30 DEG C in dye vat, at the uniform velocity adds chelating agent 3g/L within the time of 5 minutes; Temperature-resistant, within the time of 3-6 minute, at the uniform velocity add acid levelling agent 3g/L; Heat up 30 DEG C, within the time of 10 minutes, at the uniform velocity add ACID DYES and accelerant, operate 10 minutes, then by water temp. heating to 105 DEG C, be incubated 60 minutes; Described accelerant is with parts by weight, and its concrete constituent content is as follows:
Polyethyleneoxide diamine 15
Epoxychloropropane 30
Triethanolamine 5
Ammonium persulfate 5
1,5-dihydroxy naphthlene 25
Diallyl amine hydrochlorate 3
Enuatrol 8
Dodecyl sldium lauryl sulfate 15
Sesbania gum 18
Polyoxyethylene styryl phenyl ether 6
Europium chloride 12
Alchlor 1
Deionized water 50;
(3) fixation: add dispersant 3g/L uniformly in 5-8 minutes; In 5 minutes, at the uniform velocity add acidic color fixing agent 4g/L, then water is warmed to 80 DEG C, be incubated 40 minutes.Carry out in the step of modification to viscose, the acetate concentration of fiber pre-treatment step is 2mol/L, and sodium bicarbonate concentration is 5mmol/L, and the processing time is 30min.Described ACID DYES is acid light yellow with sulfonic acid group and acid orange.In described step (2), the consumption of ACID DYES is weigh 15% to fabric, and dyeing temperature is 90 DEG C, and dyeing time is 20min, and bath raio is 1: 30.
The above; be only the specific embodiment of the present invention; but protection scope of the present invention is not limited thereto; any those of ordinary skill in the art are in the technical scope disclosed by the present invention; the change can expected without creative work or replacement, all should be encompassed within protection scope of the present invention.Therefore, the protection domain that protection scope of the present invention should limit with claims is as the criterion.
Claims (5)
1. an acid dyeing method for modified viscose fiber, is characterized in that, the concrete operation step of the method is as follows:
(1) modification is carried out to viscose: be successively immersed in acetic acid and sodium bicarbonate solution by viscose and carry out preliminary treatment, take out after certain hour, repeatedly rinse with distilled water; Afterwards at low temperatures, by pretreated fiber cation modifier modification certain hour, dry: modified fiber is taken out, washs low temperature drying with distilled water; Described cation modifier be styrene, butyl acrylate, to vinylbenzyltrimethyl ammonium chloride synthesis copolymer, its consumption is 1 ~ 3g/L, and modification temperature is 60 ~ 70 DEG C, and modification time is 60 ~ 120min, and bath raio is 1: 30-50;
(2) modified viscose fiber staining: in dye vat first by water temp. heating to 25-30 DEG C, within the time of 3-5 minute, at the uniform velocity add chelating agent 1-3g/L; Temperature-resistant, within the time of 3-6 minute, at the uniform velocity add acid levelling agent 1-3g/L; Intensification 20-30 DEG C, at the uniform velocity adds ACID DYES and accelerant within the time of 5-10 minute, operates 10 minutes, then by water temp. heating to 100-105 DEG C, insulation 40-60 minute; Described accelerant is with parts by weight, and its concrete constituent content is as follows:
Polyethyleneoxide diamine 5-15
Epoxychloropropane 10-30
Triethanolamine 1-5
Ammonium persulfate 1-5
1,5-dihydroxy naphthlene 12-25
Diallyl amine hydrochlorate 0.5-3
Enuatrol 2-8
Dodecyl sldium lauryl sulfate 5-15
Sesbania gum 10-18
Polyoxyethylene styryl phenyl ether 3-6
Rare earth chloride 8-12
Alchlor 0.5-1
Deionized water is about 30-50;
(3) fixation: add dispersant 0.5-3g/L uniformly in 5-8 minutes; In 3-5 minute, at the uniform velocity add acidic color fixing agent 1-4g/L, then water is warmed to 80 DEG C, insulation 20-40 minute.
2. the acid dyeing method of modified viscose fiber according to claim 1, it is characterized in that: viscose is carried out in the step of modification, the acetate concentration of fiber pre-treatment step is 0.5 ~ 2mol/L, and sodium bicarbonate concentration is 1 ~ 5mmol/L, and the processing time is 10 ~ 30min.
3. the acid dyeing method of modified viscose fiber according to claim 1, is characterized in that: described rare earth chloride is preferably europium chloride.
4. the acid dyeing method of the modified viscose fiber according to claim 1 and 2, is characterized in that: described ACID DYES is with the acid red of sulfonic acid group, acid light yellow and acid orange.
5. the acid dyeing method of the modified viscose fiber according to claim 1 and 2, it is characterized in that: in described step (2), the consumption of ACID DYES is for weighing 8-15% to fabric, dyeing temperature is 60-90 DEG C, and dyeing time is 15-20min, and bath raio is 1: 30.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106835771A (en) * | 2017-02-17 | 2017-06-13 | 四川省宜宾惠美线业有限责任公司 | A kind of spun rayon yarn's purple dye method |
| CN108866666A (en) * | 2017-05-11 | 2018-11-23 | 成都弥新科技有限公司 | A kind of viscose material and preparation method thereof |
| CN108998995A (en) * | 2018-09-14 | 2018-12-14 | 桐乡市濮院毛针织技术服务中心 | A kind of polyester-cotton fabric black-dyeing method |
| CN109183468A (en) * | 2018-09-14 | 2019-01-11 | 桐乡市濮院毛针织技术服务中心 | A kind of polyester-cotton fabric black-dyeing color fixing agent |
| CN109355946A (en) * | 2018-09-14 | 2019-02-19 | 桐乡市濮院毛针织技术服务中心 | A kind of preparation method of polyester-cotton fabric black-dyeing color fixing agent |
| CN110629571A (en) * | 2019-08-26 | 2019-12-31 | 徐州锦业纺织科技有限公司 | Cleaning and dyeing process of rayon yarn |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106835771A (en) * | 2017-02-17 | 2017-06-13 | 四川省宜宾惠美线业有限责任公司 | A kind of spun rayon yarn's purple dye method |
| CN108866666A (en) * | 2017-05-11 | 2018-11-23 | 成都弥新科技有限公司 | A kind of viscose material and preparation method thereof |
| CN108998995A (en) * | 2018-09-14 | 2018-12-14 | 桐乡市濮院毛针织技术服务中心 | A kind of polyester-cotton fabric black-dyeing method |
| CN109183468A (en) * | 2018-09-14 | 2019-01-11 | 桐乡市濮院毛针织技术服务中心 | A kind of polyester-cotton fabric black-dyeing color fixing agent |
| CN109355946A (en) * | 2018-09-14 | 2019-02-19 | 桐乡市濮院毛针织技术服务中心 | A kind of preparation method of polyester-cotton fabric black-dyeing color fixing agent |
| CN110629571A (en) * | 2019-08-26 | 2019-12-31 | 徐州锦业纺织科技有限公司 | Cleaning and dyeing process of rayon yarn |
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Application publication date: 20160309 |