CN103451963B - The method of tea dyes COTTON FABRIC and the dressing liquid used thereof - Google Patents
The method of tea dyes COTTON FABRIC and the dressing liquid used thereof Download PDFInfo
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- CN103451963B CN103451963B CN201310345577.1A CN201310345577A CN103451963B CN 103451963 B CN103451963 B CN 103451963B CN 201310345577 A CN201310345577 A CN 201310345577A CN 103451963 B CN103451963 B CN 103451963B
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Abstract
A kind of method that the invention discloses tea dyes COTTON FABRIC and the dressing liquid used thereof, wherein, the processing step of the method for tea dyes COTTON FABRIC is as follows: 1) pulverized by tealeaves, adds clear water and extracts tea dyestuff; 2) dressing liquid is prepared: get the raw materials ready according to following component and component weight portion: chitosan powder: 1-5 part; Concentration is the glacial acetic acid solution of 4%: 20-25 part; Water: 1000 parts, be first that the glacial acetic acid solution of 4% adds in chitosan powder gradually by concentration, after stirring, adding water to mix well obtains dressing liquid simultaneously; 3) dressing liquid is utilized to adopt padding method to arrange COTTON FABRIC; 4) COTTON FABRIC after dressing liquid arrangement is dyeed.The inventive method can not only improve dye level and the fastness of the COTTON FABRIC after dyeing, and has antibacterial effect, clean environment firendly.
Description
Technical field
A kind of method that the present invention relates to tea dyes COTTON FABRIC and the dressing liquid used thereof, belong to textile dyeing technical field.
Background technology
At present, tea dyestuff is a kind of natural dye, the physiological activator Tea Polyphenols that it is rich in, and content accounts for 20 one 35% of its dry weight, and its main component catechin is easily oxidized, has scavenging free radicals, anti-oxidant, anti-sudden change, the function such as antibacterial, antiviral.
Shi Chan tea big country of China, but because spring tea price is far above Summer-autumn tea, there will be tea grower plucks enthusiasm difference phenomenon to Summer-autumn tea, therefore this part tea resource needs fully to be exploited.And develop natural health environmental protection, pseudo-classic grace, there is the tea dyed cotton fabric of antibacterial functions, there is good economic and social benefit.
Because dyestuff is less with cotton affinity when tea dyes is cotton, cause contaminating color is not dark, dyefastness is bad, and its color coloured light in different acid-alkali mediums can change a lot.For overcoming above-mentioned shortcoming, researcher adopts mordant process tea dyeing fabric, improves dye level and the dyefastness of tea dyestuff.Conventional mordant is mantoquita, aluminium salt, rare earth etc.Although utilize the mordant dyeing effect of metal ion can improve color depth and fastness, disagree with the theory utilizing natural dye to produce Green Textiles.Shitosan, from natural, not only can realize the environmental protection of whole technical process as finishing agent with him, improve dye level and the fastness of tea dyestuff, and just have antibacterial action due to itself, strengthens the antibacterial effect of the rear fabric of dyeing.Carry out tea dyeing again after utilizing chitosan finishing pure cotton fabric, dyefastness is good, and fabric tinctorial yield is high, washability and rub resistance excellent, even dyeing, reappearance is strong, and existing equipment can be utilized to realize dyeing, do not increase equipment, do not increase cost, have wide market prospects.
Summary of the invention
Technical problem of the present invention is the defect overcoming prior art, and provide a kind of method of tea dyes COTTON FABRIC, this method can not only improve dye level and the fastness of the COTTON FABRIC after dyeing, and has antibacterial effect, clean environment firendly.
In order to solve the problems of the technologies described above, technical scheme of the present invention is: a kind of method of tea dyes COTTON FABRIC, and its processing step is as follows:
1) tealeaves is pulverized, add clear water and extract tea dyestuff;
2) dressing liquid is prepared:
Get the raw materials ready according to following component and component weight portion: chitosan powder: 1-5 part; Concentration is the glacial acetic acid solution of 4%: 20-25 part; Water: 1000 parts, be first that the glacial acetic acid solution of 4% adds in chitosan powder gradually by concentration, after stirring, adding water to mix well obtains dressing liquid simultaneously;
3) dressing liquid is utilized to adopt padding method to arrange COTTON FABRIC;
4) COTTON FABRIC after dressing liquid arrangement is dyeed.
Further, in described step 1), during extraction, extraction temperature controls at 95 DEG C, and extraction time controls, at 0.5h-1h, to keep tea quality in leaching process: clear water volume equals required tea dye strength, and period supplements clear water to keep total liquid measure constant; Wherein, the unit of tea quality is gram, and the unit of clear water volume is for rising.
Further, in described step 3), by COTTON FABRIC padding finishing liquid, two leachings two dry 3min after rolling under the environment temperature of 65 DEG C.
Further, in described step 4), the bath raio of tea dyeing is 1:20 ~ 50, and the pH value of dye bath is 6 ~ 8, and dye bath temperature is 40 DEG C ~ 80 DEG C, and dyeing time controls at 0.5h ~ 1.5h.
Further, described tea dyestuff is containing pigment composition Tea Polyphenols more than 30%.
Further, described COTTON FABRIC is pure cotton woven fabric or pure cotton knitted fabric.
Present invention also offers the dressing liquid used in a kind of method of tea dyes COTTON FABRIC, its component and each component mass fraction as follows:
Chitosan powder: 1-5 part;
Concentration is the glacial acetic acid solution of 4%: 20-25 part;
Water: 1000 parts.
After have employed technique scheme, the present invention has following beneficial effect:
1) chitosan powder is from natural, not only can realize the environmental protection of whole technical process with him as finishing agent;
2) chitosan powder all can form firmly ionic bond with tea dyestuff, cotton fiber under certain condition and combines, and again because chitosan powder itself has antibiotic property, therefore it is while raising COLOR FASTNESS, improves the antibacterial of DYED FABRICS.
3) the present invention uses tea dyes COTTON FABRIC, first with dressing liquid, COTTON FABRIC is arranged, then with tea dyestuff, the COTTON FABRIC after arrangement is dyeed, method is simple to operate, and after textile dyeing, dyefastness is good, fabric tinctorial yield is high, washability and rub resistance excellent, even dyeing, reappearance is strong;
4) existing equipment can be utilized to realize dyeing, do not increase equipment, do not increase cost;
5) environmentally friendly, there is good fungistatic effect, useful to health;
6) metal salt mordant is not used in dyeing course, the real requirement realizing " natural, healthy, environmental protection ";
7) color and luster primitive simplicity and nature, complies with the pursuit of people to pseudo-classic trend;
8) the present invention also can realize making full use of Summer-autumn tea resource, has higher economic and social benefit, wide market.
Detailed description of the invention
In order to make content of the present invention more easily be clearly understood, below according to specific embodiment, the present invention is further detailed explanation.
Embodiment one
The dressing liquid used in the method for tea dyes COTTON FABRIC, its component and each component mass fraction as follows:
Chitosan powder: 5 parts;
Concentration is the glacial acetic acid solution of 4%: 22 parts;
Water: 1000 parts.
A method for tea dyes COTTON FABRIC, its processing step is as follows:
1) tealeaves is pulverized, add clear water and extract tea dyestuff; During extraction, extraction temperature controls at about 95 DEG C, and extraction time controls, at 0.5-1h, to keep tea quality in leaching process: clear water volume equals required tea dye strength, and period supplements clear water to keep total liquid measure constant; Wherein, the unit of tea quality is gram, and the unit of clear water volume is for rising.The tea dyestuff containing pigment composition Tea Polyphenols more than 30% selected by tea dyestuff.
2) dressing liquid is prepared:
Get the raw materials ready according to above component and component weight portion, be first that the glacial acetic acid solution of 4% adds in chitosan powder gradually by concentration, after stirring, adding water to mix well obtains dressing liquid simultaneously;
3) dressing liquid is utilized to adopt padding method to arrange COTTON FABRIC;
4) COTTON FABRIC after dressing liquid arrangement is dyeed.
In step 3), by COTTON FABRIC padding finishing liquid, two leachings two dry 3min after rolling under the environment temperature of 65 DEG C.
In step 4), the bath raio of tea dyeing is 1:40, and the pH value of dye bath is 8, and dye bath temperature controls at about 40 DEG C, and dyeing time controls at about 1.5h.
COTTON FABRIC can be pure cotton woven fabric or pure cotton knitted fabric.
Embodiment two
The dressing liquid used in the method for tea dyes COTTON FABRIC, its component and each component mass fraction as follows:
Chitosan powder: 2 parts;
Concentration is the glacial acetic acid solution of 4%: 25 parts;
Water: 1000 parts.
A method for tea dyes COTTON FABRIC, its processing step is as follows:
1) tealeaves is pulverized, add clear water and extract tea dyestuff; During extraction, extraction temperature controls at about 95 DEG C, and extraction time controls, at 0.5-1h, to keep tea quality in leaching process: clear water volume equals required tea dye strength, and period supplements clear water to keep total liquid measure constant; Wherein, the unit of tea quality is gram, and the unit of clear water volume is for rising.Tea dyestuff is preferentially containing the tea dyestuff of pigment composition Tea Polyphenols more than 30%.
2) dressing liquid is prepared:
Get the raw materials ready according to above component and component weight portion, be first that the glacial acetic acid solution of 4% adds in chitosan powder gradually by concentration, after stirring, adding water to mix well obtains dressing liquid simultaneously;
3) dressing liquid is utilized to adopt padding method to arrange COTTON FABRIC;
4) COTTON FABRIC after dressing liquid arrangement is dyeed.
In step 3), by COTTON FABRIC padding finishing liquid, two leachings two dry 3min after rolling under the environment temperature of 65 DEG C.
In step 4), the bath raio of tea dyeing is 1:20, and the pH value of dye bath is 7, and dye bath temperature is about 65 DEG C, and dyeing time controls at about 1h.
COTTON FABRIC can be pure cotton woven fabric or pure cotton knitted fabric.
Embodiment three
The dressing liquid used in the method for tea dyes COTTON FABRIC, its component and each component mass fraction as follows:
Chitosan powder: 1 part;
Concentration is the glacial acetic acid solution of 4%: 20 parts;
Water: 1000 parts.
A method for tea dyes COTTON FABRIC, its processing step is as follows:
1) tealeaves is pulverized, add clear water and extract tea dyestuff; During extraction, extraction temperature controls at about 95 DEG C, and extraction time controls, at 0.5-1h, to keep tea quality in leaching process: clear water volume equals required tea dye strength, and period supplements clear water to keep total liquid measure constant; Wherein, the unit of tea quality is gram, and the unit of clear water volume is for rising.The tea dyestuff containing pigment composition Tea Polyphenols more than 30% selected by tea dyestuff.
2) dressing liquid is prepared:
Get the raw materials ready according to above component and component weight portion, be first that the glacial acetic acid solution of 4% adds in chitosan powder gradually by concentration, after stirring, adding water to mix well obtains dressing liquid simultaneously;
3) dressing liquid is utilized to adopt padding method to arrange COTTON FABRIC;
4) COTTON FABRIC after dressing liquid arrangement is dyeed.
In step 3), by COTTON FABRIC padding finishing liquid, two leachings two dry 3min after rolling under the environment temperature of 65 DEG C.
In step 4), the bath raio of tea dyeing is 1:50, and the pH value of dye bath is 6, and dye bath temperature is about 80 DEG C, and dyeing time controls at about 40min.
COTTON FABRIC can be pure cotton woven fabric or pure cotton knitted fabric.
COTTON FABRIC prepared by above-mentioned three embodiments is by finding the inspection of its COLOR FASTNESS and anti-microbial property, and the pure cotton fabric dye level after tea dyeing is good, and antibacterial effect is excellent.
Correlative study about the upper dye mechanism of tea dyestuff is less, due to the compound that its main component is polyphenol structure, the combination of it and cotton fiber mainly relies on hydrogen bond and Van der Waals force, but this combination is firm not, cause dye-uptake low, COLOR FASTNESS is poor, the common dye-uptake that can be improved tea dyestuff by the method adding slaine mordant, but do not meet environmental protection theory, shitosan under certain condition can with tea dyestuff, cotton fiber all can form firmly ionic bond and combine, again because shitosan itself has antibiotic property, therefore it is while raising COLOR FASTNESS, improve the antibiotic property of DYED FABRICS.
Above-described specific embodiment; technical problem, technical scheme and beneficial effect that the present invention solves are further described; be understood that; the foregoing is only specific embodiments of the invention; be not limited to the present invention; within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (3)
1. a method for tea dyes COTTON FABRIC, is characterized in that its processing step is as follows:
1) tealeaves is pulverized, add clear water and extract tea dyestuff; Wherein, during extraction, extraction temperature controls at 95 DEG C, and extraction time controls, at 0.5h-1h, to keep tea quality in leaching process: clear water volume equals required tea dye strength, and period supplements clear water to keep total liquid measure constant; Wherein, the unit of tea quality is gram, and the unit of clear water volume is for rising;
2) dressing liquid is prepared:
Get the raw materials ready according to following component and component weight portion: chitosan powder: 1-5 part; Concentration is the glacial acetic acid solution of 4%: 20-25 part; Water: 1000 parts, be first that the glacial acetic acid solution of 4% adds in chitosan powder gradually by concentration, after stirring, adding water to mix well obtains dressing liquid simultaneously;
3) dressing liquid is utilized to adopt padding method to arrange COTTON FABRIC; Wherein, by COTTON FABRIC padding finishing liquid, two leachings two dry 3min after rolling under the environment temperature of 65 DEG C;
4) tea dyestuff is adopted to dye to the COTTON FABRIC after dressing liquid arrangement; Wherein, the bath raio of tea dyeing is 1:20 ~ 40, and the pH value of dye bath is 6 ~ 8, and dye bath temperature is 40 DEG C ~ 65 DEG C, and dyeing time controls at 40min ~ 1.5h.
2. the method for tea dyes COTTON FABRIC according to claim 1, is characterized in that: described tea dyestuff is containing pigment composition Tea Polyphenols more than 30%.
3. the method for tea dyes COTTON FABRIC according to claim 1, is characterized in that: described COTTON FABRIC is pure cotton woven fabric or pure cotton knitted fabric.
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| CN104059381A (en) * | 2014-06-26 | 2014-09-24 | 南通润启时装有限公司 | Natural textile dye and preparation method thereof |
| CN104532559B (en) * | 2014-11-13 | 2016-12-28 | 李准 | A kind of afterfinish method of cotton fabric based on tea polyphenols |
| CN104532625A (en) * | 2014-12-17 | 2015-04-22 | 黄涛 | Antifading agent |
| CN104894896A (en) * | 2015-06-10 | 2015-09-09 | 中国农业科学院茶叶研究所 | Method for dyeing silk with natural red series tea dye |
| CN105970679B (en) * | 2016-06-17 | 2018-08-21 | 绍兴文理学院 | A kind of colouring method of silk fabric |
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| CN106367957B (en) * | 2016-08-30 | 2018-08-14 | 四川城市职业学院 | Tea contaminates the preparation method of garment material |
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| CN106498766A (en) * | 2016-09-30 | 2017-03-15 | 徐飞艳 | Antibacterial type cotton fabric special bio dyestuff |
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| CN106480757A (en) * | 2016-09-30 | 2017-03-08 | 田晴晴 | Antibacterial bamboo fibre clothing fabric dyeing and printing process |
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| CN109098013A (en) * | 2018-08-28 | 2018-12-28 | 苏州典传创意科技有限公司 | A kind of natural dye for Nature Fibre Textile product |
| CN109468862A (en) * | 2018-10-23 | 2019-03-15 | 武汉纺织大学 | A method of it is dyed using three-bristle cudrania wood natural pigment |
| CN109837773A (en) * | 2019-01-30 | 2019-06-04 | 欣龙控股（集团）股份有限公司 | A kind of dark brown spunlace non-woven material of tea perfume and preparation method thereof |
| WO2021033173A2 (en) | 2019-08-16 | 2021-02-25 | Sri Lanka Institute Of Nanotechnology (Pvt) Ltd | Method of extraction of an effective tea dye powder from tea waste and application thereof on fabric and garments |
| CN115162002B (en) * | 2022-07-21 | 2023-11-24 | 苏州大学 | Full-biological-based cotton fabric and dyeing and finishing method thereof |
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