CN103603212A - Method for dyeing cotton fabrics through color matching of natural vegetable dyes - Google Patents
Method for dyeing cotton fabrics through color matching of natural vegetable dyes Download PDFInfo
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- CN103603212A CN103603212A CN201310618218.9A CN201310618218A CN103603212A CN 103603212 A CN103603212 A CN 103603212A CN 201310618218 A CN201310618218 A CN 201310618218A CN 103603212 A CN103603212 A CN 103603212A
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Abstract
The invention provides a method for dyeing cotton fabrics through color matching of natural vegetable dyes. The method comprises the following steps: preparing a dyeing solution from two different vegetable raw materials according to different extraction methods, and reasonably blending a mixed dyeing solution for dyeing the cotton fabrics according to the dyeing performance of the dyeing solution so as to obtain different colors. The defect that the vegetable dyes are single in colors and types is overcome, the colors and types of the vegetable dyes on the cotton fabrics are enriched, and the dyed cotton fabrics are uniform in color, soft and natural in luster, high in color fastness and difficult to fade and discolor.
Description
Technical field
The invention belongs to printing technology field, be specifically related to a kind of method with natural plant dye color matching dyeing cotton fabric.
Background technology
Vegetable colour dyeing is mainly to utilize the partial pigment such as bark, leaf, root, fruit, flower, stem and the method that dyes.From the dyeing of vegetable colour, some natural plant pigment has good dissolubility to water, and dye liquor is directly on set fabric, thereby and some phytochrome need to mordant with it complex coordination make it fixing on fabric.Also have some fabric pigments water insoluble, need to utilize them different and anchor on fiber to the solution degree of acid, alkaline solution.Vegetable colour and technique environmental protection thereof, be healthy dyestuff, and the compatibility of most plants dyestuff and ecological environment is good, biodegradable, and toxicity is lower, produces the raw material of these dyestuffs and can regenerate.Vegetable colour is nontoxic, and skin, without anaphylaxis and carcinogenic, is had to good biodegradability and Environmental compatibility.Single vegetable colour exists that chromatogram is complete, the colder problem of tone, adopts different dyes color matching can address the above problem.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of method of natural plant dye color matching dyeing cotton fabric, the COTTON FABRIC rich color that adopts the method dyeing to obtain, color nature.
Technical scheme provided by the invention is a kind of method of natural plant dye color matching dyeing cotton fabric, comprises the following steps:
1) according to feedstock property, by any in following two kinds of methods, obtain dye liquor:
A, plant material is pulverized, the ratio that is 1:10～50 in solid-liquid ratio adds clear water in plant material, at 10～30 ℃, extracts 0.5～1h, and by extracting liquid filtering, filtrate is concentrated, the dry vegetable colour that is; Again vegetable colour is added to the dye liquor that water is allocated as 1～10g/L;
B, vegetable colour is pulverized, the ratio that is 1:5～15 in solid-liquid ratio adds organic solvent in plant material, heating and refluxing extraction 1～3h, and by extracting liquid filtering, filtrate is concentrated, the dry vegetable colour that is; Vegetable colour being added to the dye liquor that water is allocated as 1～10g/L, is then 1.0～20.0g/L toward adding caustic soda to its concentration in dye liquor again, and reductant to its concentration is 0.5～20g/L, reduces 10～20min at 30～80 ℃;
2) on joining in COTTON FABRIC after two kinds of dye liquors that said method made mix, dye, bath raio is 1:30～50, and regulates pH value to 4～8 of mixing dye liquor, and 40～90min dyes at 30～100 ℃;
3) color-fixing agent is added to the solution that water is allocated as 1～10g/L, then toward the acetic acid that adds the 30v% heavy with color-fixing agent etc. in solution, mix, be fixation liquid;
4) after the COTTON FABRIC clear water after dyeing processing is rinsed, drop in fixation liquid, bath raio is 1:1.5～3, at 50～60 ℃, soaks 10～20min;
5) COTTON FABRIC after fixation treatment is soaped, washing and oven dry.
Above-mentioned reductant is sodium hydrosulfite or encircles sharp powder.
Above-mentioned steps 1) plant material in a is that yellow is vegetable colour or red colour system vegetable colour, and described yellow is that vegetable colour is rheum officinale, turmeric, the coptis, cape jasmine or sophora flower; Described red colour system vegetable colour is madder, bush or safflower; Plant material blue series vegetable colour in described step 1) b is indigo plant, woaded blue or acanthaceous indigo.
Above-mentioned color-fixing agent is alum or glauber salt.
In vegetable colour of the present invention, blue series vegetable colour is reducing dye, and yellow is that vegetable colour and red colour system vegetable colour are direct dyes or ACID DYES.Different vegetable colours are matched colors according to its performance, dye effect on playing preferably, dye the COTTON FABRIC rich color coming, color and luster is evenly soft, and COLOR FASTNESS is high, is not easy to fade, variable color, has expanded the scope of application of vegetable colour.
The specific embodiment
Following specific embodiment is further elaborated the present invention, but not as a limitation of the invention.
Embodiment 1
A, the coptis is pulverized, the ratio that is 1:10 in solid-liquid ratio adds clear water in plant material, at 10 ℃, extracts 0.5h, and by extracting liquid filtering, filtrate is concentrated, the dry vegetable colour that is; Again vegetable colour is added to the dye liquor that water is allocated as 1g/L;
B, by indigo pulverizing, the ratio that is 1:5 in solid-liquid ratio adds organic solvent in plant material, heating and refluxing extraction 1h, by extracting liquid filtering, filtrate is concentrated, the dry vegetable colour that is; Vegetable colour being added to the dye liquor that water is allocated as 1g/L, is then 1.0g/L toward adding caustic soda to its concentration in dye liquor again, and sodium hydrosulfite to its concentration is 0.5g/L, reduces 10min at 30 ℃;
C, by step a) and b) two kinds of dye liquors of preparation dye on joining in COTTON FABRIC after mixing for the ratio of 10:1 by volume, bath raio is 1:30, and regulates the pH value to 4 of mixing dye liquor, 40min dyes at 30 ℃;
D, alum is added to the solution that water is allocated as 1g/L, then toward the acetic acid that adds the 30v% heavy with color-fixing agent etc. in solution, mix, be fixation liquid;
After e, the COTTON FABRIC clear water after dyeing is processed rinse, drop in fixation liquid, bath raio is 1:1.5, at 50 ℃, soaks 10min;
F, the COTTON FABRIC after fixation treatment is soaped, washing and drying, obtains the COTTON FABRIC of cyan.
Embodiment 2
A, bush is pulverized, the ratio that is 1:50 in solid-liquid ratio adds clear water in plant material, at 30 ℃, extracts 1h, and by extracting liquid filtering, filtrate is concentrated, the dry vegetable colour that is; Again vegetable colour is added to the dye liquor that water is allocated as 5g/L;
B, the coptis is pulverized, the ratio that is 1:25 in solid-liquid ratio adds clear water in plant material, at 10 ℃, extracts 0.5h, and by extracting liquid filtering, filtrate is concentrated, the dry vegetable colour that is; Again vegetable colour is added to the dye liquor that water is allocated as 10g/L;
C, by step a) and b) two kinds of dye liquors of preparation dye on joining in COTTON FABRIC after mixing for the ratio of 1:1 by volume, bath raio is 1:50, and regulates the pH value to 8 of mixing dye liquor, 90min dyes at 100 ℃;
D, glauber salt is added to the solution that water is allocated as 10g/L, then toward the acetic acid that adds the 30v% heavy with color-fixing agent etc. in solution, mix, be fixation liquid;
After e, the COTTON FABRIC clear water after dyeing is processed rinse, drop in fixation liquid, bath raio is 1:3, at 60 ℃, soaks 20min;
F, the COTTON FABRIC after fixation treatment is soaped, washing and drying, obtains filemot COTTON FABRIC.
Embodiment 3
A, bush is pulverized, the ratio that is 1:25 in solid-liquid ratio adds clear water in plant material, at 20 ℃, extracts 0.8h, and by extracting liquid filtering, filtrate is concentrated, the dry vegetable colour that is; Again vegetable colour is added to the dye liquor that water is allocated as 5g/L;
B, by indigo pulverizing, the ratio that is 1:10 in solid-liquid ratio adds organic solvent in plant material, heating and refluxing extraction 2h, by extracting liquid filtering, filtrate is concentrated, the dry vegetable colour that is; Vegetable colour being added to the dye liquor that water is allocated as 5g/L, is then 5g/L toward adding caustic soda to its concentration in dye liquor again, and sodium hydrosulfite to its concentration is 5g/L, reduces 15min at 60 ℃;
C, by step a) and b) two kinds of dye liquors of preparation dye on joining in COTTON FABRIC after mixing for the ratio of 5:1 by volume, bath raio is 1:40, and regulates the pH value to 7 of mixing dye liquor, 60min dyes at 60 ℃;
D, alum is added to the solution that water is allocated as 5g/L, then toward the acetic acid that adds the 30v% heavy with color-fixing agent etc. in solution, mix, be fixation liquid;
After e, the COTTON FABRIC clear water after dyeing is processed rinse, drop in fixation liquid, bath raio is 1:2.5, at 55 ℃, soaks 15min;
F, the COTTON FABRIC after fixation treatment is soaped, washing and drying, obtains indigo COTTON FABRIC.
Embodiment 4
A, by madder and turmeric by weight be the ratio co-grinding of 2:1, the ratio that is 1:50 in solid-liquid ratio adds clear water in plant material, at 10 ℃, extracts 1h, by extracting liquid filtering, filtrate is concentrated, is dried and is vegetable colour; Again vegetable colour is added to the dye liquor that water is allocated as 10g/L;
B, the dye liquor that step a) is prepared dye on joining in COTTON FABRIC, and bath raio is 1:30, and regulate the pH value to 8 of mixing dye liquor, and 90min dyes at 30 ℃;
C, alum is added to the solution that water is allocated as 10g/L, then toward the acetic acid that adds the 30v% heavy with color-fixing agent etc. in solution, mix, be fixation liquid;
After d, the COTTON FABRIC clear water after dyeing is processed rinse, drop in fixation liquid, bath raio is 1:1.5, at 60 ℃, soaks 10min;
E, the COTTON FABRIC after fixation treatment is soaped, washing and drying, obtains khaki COTTON FABRIC.
Claims (4)
1. a method for natural plant dye color matching dyeing cotton fabric, is characterized in that: comprise the following steps:
1) according to feedstock property, by any in following two kinds of methods, obtain dye liquor:
A, plant material is pulverized, the ratio that is 1:10～50 in solid-liquid ratio adds clear water in plant material, at 10～30 ℃, extracts 0.5～1h, and by extracting liquid filtering, filtrate is concentrated, the dry vegetable colour that is; Again vegetable colour is added to the dye liquor that water is allocated as 1～10g/L;
B, vegetable colour is pulverized, the ratio that is 1:5～15 in solid-liquid ratio adds organic solvent in plant material, heating and refluxing extraction 1～3h, and by extracting liquid filtering, filtrate is concentrated, the dry vegetable colour that is; Vegetable colour being added to the dye liquor that water is allocated as 1～10g/L, is then 1.0～20.0g/L toward adding caustic soda to its concentration in dye liquor again, and reductant to its concentration is 0.5～20g/L, reduces 10～20min at 30～80 ℃;
2) on joining in COTTON FABRIC after two kinds of dye liquors mixing of said method preparation, dye, bath raio is 1:30～50, and regulates pH value to 4～8 of mixing dye liquor, and 40～90min dyes at 30～100 ℃;
3) color-fixing agent is added to the solution that water is allocated as 1～10g/L, then toward the acetic acid that adds the 30v% heavy with color-fixing agent etc. in solution, mix, be fixation liquid;
4) after the COTTON FABRIC clear water after dyeing processing is rinsed, drop in fixation liquid, bath raio is 1:1.5～3, at 50～60 ℃, soaks 10～20min;
5) COTTON FABRIC after fixation treatment is soaped, washing and oven dry.
2. the method for natural plant dye color matching dyeing cotton fabric according to claim 1, is characterized in that: described reductant is sodium hydrosulfite or encircles sharp powder.
3. the method for natural plant dye according to claim 1 color matching dyeing cotton fabric, it is characterized in that: the plant material in described step 1) a is that yellow is vegetable colour or red colour system vegetable colour, and described yellow is that vegetable colour is rheum officinale, turmeric, the coptis, cape jasmine or sophora flower; Described red colour system vegetable colour is madder, bush or safflower; Plant material blue series vegetable colour in described step 1) b is indigo plant, woaded blue or acanthaceous indigo.
4. the method for natural plant dye color matching dyeing cotton fabric according to claim 1, is characterized in that: described color-fixing agent is alum or glauber salt.
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Application publication date: 20140226 |