CN102493220A - Method for dyeing acrylic fiber fabrics by utilizing bacterium dyestuff prodigiosin - Google Patents
Method for dyeing acrylic fiber fabrics by utilizing bacterium dyestuff prodigiosin Download PDFInfo
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- CN102493220A CN102493220A CN2011104101525A CN201110410152A CN102493220A CN 102493220 A CN102493220 A CN 102493220A CN 2011104101525 A CN2011104101525 A CN 2011104101525A CN 201110410152 A CN201110410152 A CN 201110410152A CN 102493220 A CN102493220 A CN 102493220A
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Abstract
The invention relates to a method for dyeing acrylic fiber fabrics by utilizing bacterium dyestuff prodigiosin, which includes the steps of (1) dissolving the prodigiosin by using ethyl acetate or N, N-dimethylformamide and then adding dissolved prodigiosin into water to produce a dyeing solution, and (2) dyeing the acrylic fiber fabrics by utilizing the dyeing solution, wherein the dosage of the prodigiosin is 0.1-6% of that of acrylic fiber fabrics by mass, dyeing bath ratio is 1:5-20, potential of hydrogen (pH) of an adjusting dye solution is 4.0-6.0, dyeing temperature is 80-90 DEG C, and dyeing time is 30-90 minutes. Compared with a dyeding method of a mixed solution of carbinol or ethanol and the water, dye-uptake rate of the dyestuff is high, level-dyeing property is good, and the dyeing method is simple, easy to operate and low in device requirements. The dyed acrylic fiber fabrics produced by means the method have good washing fastness and abrasion-resisting fastness, bright color, good antibiotic property and wide application prospects, and antibacterial rate is more than 90%.
Description
Technical field
The invention belongs to the dyeing field of acrylic fabric, particularly a kind of colouring method that utilizes the bacterial dye prodigiosin to acrylic fabric.
Background technology
In recent years, because the influence of environmental problem and energy problem, people are tending towards pursuing continuable, and are eco-friendly and the human health advantageous method produced dyestuff.The exploitation natural dye is the general trend that the world uses the dyestuff development; Natural dye be meant from plant, animal or mineral resources, obtain, seldom or not pass through the dyestuff of chemical process; A lot of natural dyes have safe and reliable; The tone nature, near advantages such as natural materials, natural, multi-functional is the dyestuff Development Trend.Therefore from natural resources, filter out the microorganism that can produce natural dye, so the natural dye of developing new product variety, especially have functional natural dye, have broad prospects.Along with development of biology, utilize biotechnology to produce natural dye and opened up wide field for people.The biofermentation product stability is high, and selectivity is strong, and is pollution-free, and production process does not have injury to the people, and therefore, biological fermentation process is a kind of method of good synthetic dyestuffs.
The natural colouring matter of the methoxyl group pyrrole skeleton structure that the bacterial dye prodigiosin is made up of three pyrrole rings; Be the secondary metabolite of some actinomyces, Serratieae and other bacteriums, have multiple biologically actives such as immunosupress, antibacterium, antimycotic and anti-malarial.Therefore, the bacterial dye prodigiosin as dyeing after its DYED FABRICS just have antibiotic function, and have anticancer effect.
This bacterial dye is a kind of bolarious pigment that is, and it is reflective to have green, fusing point 151-152 ℃, and water-soluble hardly, be soluble in acetone, ethyl acetate, DMF, chloroform and the benzene, structure is following:
This dyestuff is orange-yellow in alkalescence or neutral solution, take on a red color in the acid solution.With ethanol is solvent, and prodigiosin has characteristic absorption at the 537nm place under the acid condition, at the 466nm place characteristic absorption is arranged under the alkali condition.But the bibliographical information of up to the present, researching and developing and studying about this dyestuff also seldom.
Summary of the invention
Technical problem to be solved by this invention provides a kind of colouring method that utilizes the bacterial dye prodigiosin to wool fabric; The used cosolvent of this colouring method replaces methyl alcohol or ethanol, and consumption is few, and technology is simple; Acrylic fabric after the dyeing has good washing fastness and fastness to rubbing; Lovely luster, and have good antibacterial property, bacteriostasis rate is more than 90%.
A kind of colouring method that utilizes the bacterial dye prodigiosin to acrylic fabric of the present invention comprises:
(1) with ethyl acetate or N, dinethylformamide dissolves prodigiosin, is added to the water then, processes staining solution;
(2) adopt above-mentioned staining solution that acrylic fabric is dyeed; The consumption of prodigiosin is the 0.1-6% of acrylic fabric mass fraction, and dye bath ratio is 1: 5-20, and the pH value of regulating dye liquor is 4.0～6.0; Dyeing temperature is 80 ℃～90 ℃, and dyeing time is 30-90min.
The amount ratio of prodigiosin described in the step (1) and ethyl acetate is 1g: 3-7mL, and the volume ratio of ethyl acetate and water is 0.5～1: 10.
Prodigiosin and N described in the step (1), the amount ratio of dinethylformamide are 1g: 2-5mL, N, and the volume ratio of dinethylformamide and water is 0.1～0.5: 10.
The pH value of the adjusting dye liquor described in the step (2) is regulated for adopting acetic acid-sodium acetate buffer solution.
Described dye dosage is 5% of an acrylic fabric mass fraction, and the mass ratio of ethyl acetate and water is 0.5: 6, and bath raio 1: 10, pH value are the 60min that dyes under 4.0,85 ℃ of conditions.
Described dye dosage is 2% of an acrylic fabric mass fraction, and N, the mass ratio of dinethylformamide and water are 0.3: 10, and bath raio 1: 5, pH value are the 90min that dyes under 6.0,90 ℃ of conditions.
Confirming as follows of bacterial dye colouring method of the present invention draws and dyes the best dyeing condition of acrylic fabric:
A. choose ethyl acetate or N; Dinethylformamide and water dye to acrylic fabric as the solvent of dyestuff; The maximum absorption wavelength of bacterial dye appears at about 540nm under this condition, and dyeing back fabric is bright-coloured redness, so bacterial dye has the condition as dyestuff;
B. at first will determine best ethyl acetate or N, the ratio of dinethylformamide and water can be dissolved dyestuff fully, and is easy to dyeing;
C. back in pH value to dyeing, bath raio, dyeing conditions such as dyeing temperature and time have been done further research to the influence of Color, determine best dyeing condition at last.
The water-fast COLOR FASTNESS of washing of colored acrylon fabric is 4 grades, and colour fastness to rubbing is the 3-4 level.
Acrylic fabric after the dyeing has good antibacterial property, and antibacterial (Escherichia coli and staphylococcus aureus) rate is more than 90%.
A kind of colouring method that utilizes the bacterial dye prodigiosin to acrylic fabric of the present invention; Dye dosage is 0.1-6% (dyestuff is to the mass fraction of acrylic fabric); Dyeing medium is organic solvent ethyl acetate, N, dinethylformamide etc. respectively with the mixed solution of water.
Acrylic fabric after dyeing dyeing of the present invention has good antibacterial property (Escherichia coli and staphylococcus aureus); Bacteriostasis rate is more than 90%; Have good washing fastness and fastness to rubbing in addition, dyeing back fabric color is bright-coloured, has a good application prospect; And this colouring method can apply to some water insoluble and improper dyeings as DISPERSE DYES.
Prodigiosin is slightly soluble in water, will be transformed into during dyeing on the molecular state ability to dye fiber, and therefore, improving the solubility of prodigiosin in water is one of its key that is used for the stock-dye technology.Early-stage Study shows, adopts methyl alcohol or ethanol as cosolvent, helps the dissolving of prodigiosin in water, improves its dyeing rate and dye uptake on wool and acrylic fibers.But later stage research shows, adopts methyl alcohol or ethanol as solvent, and not only consumption is big, and because prodigiosin has bigger substantivity or affinity to methyl alcohol or ethanol, makes the prodigiosin dyestuff reduce the affinity of fiber, and dye uptake is lower.
Through adopting ethyl acetate or N, dinethylformamide replaces methyl alcohol or ethanol as the cosolvent of prodigiosin, can improve the dye uptake of prodigiosin to wool fibre greatly.At first, prodigiosin has good solubility at ethyl acetate or N in the dinethylformamide, helps being dissolved on the molecule state of prodigiosin to dye fiber; Secondly, ethyl acetate or N, dinethylformamide has certain substantivity or affinity to wool fibre; Like this; Form one deck adsorption layer at wool surface easily, this adsorption layer can dissolve prodigiosin, thereby improves the adsorption concentration of prodigiosin at fiber surface; Improve diffusion rate and the dyeing rate of prodigiosin, thereby improve dye uptake wool; The 3rd, ethyl acetate or N, dinethylformamide has certain plasticising emollescence to acrylic fiber, thereby improves the diffusion rate of prodigiosin; The 4th, ethyl acetate or N, dinethylformamide is few than methyl alcohol or consumption of ethanol, and dyeing temperature is low, practices thrift cost, and is little to ambient influnence.
Beneficial effect
(1) colouring method of the present invention is simple, and the dye-uptake of dyestuff is high, and dyeing is simple;
(2) acrylic fabric after the dyeing of the present invention's acquisition has good washing fastness and fastness to rubbing, and dyeing back fabric color is bright-coloured, and has good antibacterial property, and bacteriostasis rate has a extensive future more than 90%.
The specific embodiment
Below in conjunction with specific embodiment, further set forth the present invention.Should be understood that these embodiment only to be used to the present invention is described and be not used in the restriction scope of the present invention.Should be understood that in addition those skilled in the art can do various changes or modification to the present invention after the content of having read the present invention's instruction, these equivalent form of values fall within the application's appended claims institute restricted portion equally.
Embodiment 1
The preparation of prodigiosin dyestuff
At first, the bacterial classification of buying (the clayey Serratieae is available from Chinese medicine bacterium preservation administrative center) is diluted; After bacterium after will diluting coat plating medium (dusty yeast 5g/L; Peptone 10g/L, glucose 10g/L, agar powder 20g/L) on put into constant incubator and cultivate; The darker bacterial strain of picking haematochrome and color is coated on the plating medium, and this bacterial strain is preserved under 4 ℃ condition.The bacterial strain that screens is cultivated 15h in seed culture medium (dusty yeast 4.5g/L, peptone 12g/L, NaCl 2.5g/L, KCl 3g/L, glucose 2g/L), the back is inserted fermentation medium and is cultivated 30h.
Respectively supernatant is separated with thalline.Supernatant directly extracts prodigiosin with ethyl acetate from the aqueous solution; The earlier centrifugal back of flocculate concentrates the back with rotary evaporator and in acidic methanol, extracts; Methanol extraction prodigiosin method: will precipitate back adding 500mL methyl alcohol in the triangular flask that partly joins 1000mL; Use HCl to transfer pH to be 4-5, seal film and seal; At rotating speed is to stir 12h on the 200rpm magnetic stirring apparatus, leave standstill 3h supernatant methyl alcohol separated with the bottom sediment, after add 300mL methyl alcohol the more residual prodigiosin in the sediment extracted once again, the back concentrates uses ethyl acetate extraction again; The ethyl acetate that is dissolved with prodigiosin is concentrated, further use chloroform and water abstraction purification, the back obtains product with silica gel column chromatography.
Embodiment 2
To dye the acrylic fibers cloth specimen by following technology respectively tests:
Technology 1: prodigiosin dye dosage 5% (dyestuff is to the mass fraction of acrylic fabric), the mass ratio of ethyl acetate and water is 0.5: 6, bath raio 1: 10, pH value are the 60min that dyes under 4.0,85 ℃ of conditions.
Technology 2: prodigiosin dye dosage 2% (dyestuff is to the mass fraction of acrylic fabric), N, the mass ratio of dinethylformamide and water are 0.3: 10, bath raio 1: 5, pH value are the 90min that dyes under 6.0,90 ℃ of conditions.
Measure its fastness to rubbing basis according to GB/T 3920-1997 " textile color stability test colour fastness to rubbing ", the AATCC standard is carried out the wash resistant test.
The dry fastness that finally draws by technology process 1 dyeing back fabric is 4 grades, and fastness to wet rubbing is 3-4; The dry fastness of technology 2 dyeing back fabrics is 4 grades, and fastness to wet rubbing is 3-4; The soaping fastness of dyeing back fabric is 4 grades.
Carry out antibacterial fabric is tested according to AATCC standard 100 according to above technology dyeing back fabric.The result shows that the bacteriostasis rate (Escherichia coli) of technology 1,2 dyeing back acrylic fabrics is respectively 98%, 97.8%.
Embodiment 3
Different solvents is seen table 1 to the influence of prodigiosin to the dye-uptake of acrylic fabric under the same terms.
The reaction condition of the experiment described in the table 1, promptly the mass ratio of methyl alcohol and water is 1: 3, ethyl acetate and N, the ratio of dinethylformamide and water is 0.5: 10 all, and dye bath ratio is 1: 10, and pH is about 5.0, and 60min all dyes under 90 ℃ of conditions.
Table 1 different solvents prodigiosin is to the dye-uptake of acrylic fabric
Claims (6)
1. colouring method that utilizes the bacterial dye prodigiosin to acrylic fabric comprises:
(1) with ethyl acetate or N, dinethylformamide dissolves prodigiosin, is added to the water then, processes staining solution;
(2) adopt above-mentioned staining solution that acrylic fabric is dyeed; The consumption of prodigiosin is the 0.1-6% of acrylic fabric mass fraction, and dye bath ratio is 1: 5-20, and the pH value of regulating dye liquor is 4.0～6.0; Dyeing temperature is 80 ℃～90 ℃, and dyeing time is 30-90min.
2. a kind of colouring method that utilizes the bacterial dye prodigiosin to acrylic fabric according to claim 1; It is characterized in that: the amount ratio of prodigiosin described in the step (1) and ethyl acetate is 1g: 3-7mL, and the volume ratio of ethyl acetate and water is 0.5～1: 10.
3. a kind of colouring method that utilizes the bacterial dye prodigiosin to acrylic fabric according to claim 1; It is characterized in that: prodigiosin and the N described in the step (1); The amount ratio of dinethylformamide is 1g: 2-5mL; N, the volume ratio of dinethylformamide and water is 0.1～0.5: 10.
4. a kind of colouring method that utilizes the bacterial dye prodigiosin to acrylic fabric according to claim 1 is characterized in that: the pH value of the adjusting dye liquor described in the step (2) is regulated for adopting acetic acid-sodium acetate buffer solution.
5. a kind of colouring method that utilizes the bacterial dye prodigiosin to acrylic fabric according to claim 1; It is characterized in that: the consumption of described prodigiosin is 5% of an acrylic fabric mass fraction; The mass ratio of ethyl acetate and water is 0.5: 6; bath raio is 1: 10, and the pH value is the 60min that dyes under 4.0,85 ℃ of conditions.
6. a kind of colouring method that utilizes the bacterial dye prodigiosin to acrylic fabric according to claim 1; It is characterized in that: the consumption of described prodigiosin is 2% of an acrylic fabric mass fraction; N, the mass ratio of dinethylformamide and water are 0.3: 10, and bath raio is 1: 5; The pH value is the 90min that dyes under 6.0,90 ℃ of conditions.
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| CN 201110410152 CN102493220B (en) | 2011-12-09 | 2011-12-09 | Method for dyeing acrylic fiber fabrics by utilizing bacterium dyestuff prodigiosin |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104532612A (en) * | 2014-12-09 | 2015-04-22 | 嘉兴学院 | Print paste as well as preparation method and application thereof in polyester fabric printing |
| CN104789614A (en) * | 2015-04-08 | 2015-07-22 | 嘉兴学院 | Preparation methods of prodigiosin and biological stain as well as application of biological stain in fabric |
| CN106011195A (en) * | 2016-07-04 | 2016-10-12 | 湖州新嘉怡丝织印花有限公司 | Preparation method of prodigiosin for silk fabric dyeing |
| CN106192459A (en) * | 2016-07-04 | 2016-12-07 | 湖州新嘉怡丝织印花有限公司 | A kind of utilize the prodigiosin colouring method to silk fabric |
| CN108411631A (en) * | 2018-04-16 | 2018-08-17 | 佛山市尚柏科技有限公司 | A kind of washable textile product inorganic agent |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101892601A (en) * | 2010-07-30 | 2010-11-24 | 东华大学 | Method for dyeing acrylic fabric with bacterial dye prodigiosin |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101892601A (en) * | 2010-07-30 | 2010-11-24 | 东华大学 | Method for dyeing acrylic fabric with bacterial dye prodigiosin |
Non-Patent Citations (2)
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| 钟绵国等: "灵菌红素的染色性能研究", 《染料与染色》 * |
| 韦凤等: "一株高产灵菌红素粘质沙雷氏菌的筛选与鉴定", 《浙江师范大学学报(自然科学版)》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104532612A (en) * | 2014-12-09 | 2015-04-22 | 嘉兴学院 | Print paste as well as preparation method and application thereof in polyester fabric printing |
| CN104789614A (en) * | 2015-04-08 | 2015-07-22 | 嘉兴学院 | Preparation methods of prodigiosin and biological stain as well as application of biological stain in fabric |
| CN106011195A (en) * | 2016-07-04 | 2016-10-12 | 湖州新嘉怡丝织印花有限公司 | Preparation method of prodigiosin for silk fabric dyeing |
| CN106192459A (en) * | 2016-07-04 | 2016-12-07 | 湖州新嘉怡丝织印花有限公司 | A kind of utilize the prodigiosin colouring method to silk fabric |
| CN108411631A (en) * | 2018-04-16 | 2018-08-17 | 佛山市尚柏科技有限公司 | A kind of washable textile product inorganic agent |
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| CN102493220B (en) | 2013-06-26 |
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