CN104894891B - A kind of natural dye resisting printing product and preparation method thereof - Google Patents
A kind of natural dye resisting printing product and preparation method thereof Download PDFInfo
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- CN104894891B CN104894891B CN201510270120.8A CN201510270120A CN104894891B CN 104894891 B CN104894891 B CN 104894891B CN 201510270120 A CN201510270120 A CN 201510270120A CN 104894891 B CN104894891 B CN 104894891B
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- 239000000978 natural dye Substances 0.000 title claims abstract description 60
- 238000007639 printing Methods 0.000 title claims abstract description 48
- 238000002360 preparation method Methods 0.000 title claims abstract description 21
- 238000004519 manufacturing process Methods 0.000 title abstract description 3
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- IXPNQXFRVYWDDI-UHFFFAOYSA-N 1-methyl-2,4-dioxo-1,3-diazinane-5-carboximidamide Chemical compound CN1CC(C(N)=N)C(=O)NC1=O IXPNQXFRVYWDDI-UHFFFAOYSA-N 0.000 claims description 11
- 240000006394 Sorghum bicolor Species 0.000 claims description 11
- 235000011684 Sorghum saccharatum Nutrition 0.000 claims description 11
- 235000012730 carminic acid Nutrition 0.000 claims description 11
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- 229940005550 sodium alginate Drugs 0.000 claims description 11
- 238000010025 steaming Methods 0.000 claims description 10
- 229930002875 chlorophyll Natural products 0.000 claims description 8
- 235000019804 chlorophyll Nutrition 0.000 claims description 8
- ATNHDLDRLWWWCB-AENOIHSZSA-M chlorophyll a Chemical compound C1([C@@H](C(=O)OC)C(=O)C2=C3C)=C2N2C3=CC(C(CC)=C3C)=[N+]4C3=CC3=C(C=C)C(C)=C5N3[Mg-2]42[N+]2=C1[C@@H](CCC(=O)OC\C=C(/C)CCC[C@H](C)CCC[C@H](C)CCCC(C)C)[C@H](C)C2=C5 ATNHDLDRLWWWCB-AENOIHSZSA-M 0.000 claims description 8
- 238000005554 pickling Methods 0.000 claims description 8
- 244000025254 Cannabis sativa Species 0.000 claims description 7
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 claims description 7
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 claims description 7
- 235000009120 camo Nutrition 0.000 claims description 7
- 235000005607 chanvre indien Nutrition 0.000 claims description 7
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- 239000002253 acid Substances 0.000 claims description 6
- 244000269722 Thea sinensis Species 0.000 claims description 5
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- 125000000129 anionic group Chemical group 0.000 claims description 4
- CDBYLPFSWZWCQE-UHFFFAOYSA-L sodium carbonate Substances [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 4
- 239000002562 thickening agent Substances 0.000 claims description 4
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- 239000006260 foam Substances 0.000 claims description 3
- 238000010019 resist printing Methods 0.000 claims description 3
- QVOJVKONBAJKMA-UHFFFAOYSA-M triethyl(oxiran-2-ylmethyl)azanium;chloride Chemical compound [Cl-].CC[N+](CC)(CC)CC1CO1 QVOJVKONBAJKMA-UHFFFAOYSA-M 0.000 claims description 3
- 235000012984 Aspalathus linearis Nutrition 0.000 claims description 2
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- -1 quaternary ammonium salt compounds Chemical class 0.000 claims description 2
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- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 2
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 2
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- PUVAFTRIIUSGLK-UHFFFAOYSA-M trimethyl(oxiran-2-ylmethyl)azanium;chloride Chemical compound [Cl-].C[N+](C)(C)CC1CO1 PUVAFTRIIUSGLK-UHFFFAOYSA-M 0.000 claims description 2
- ILWRPSCZWQJDMK-UHFFFAOYSA-N triethylazanium;chloride Chemical compound Cl.CCN(CC)CC ILWRPSCZWQJDMK-UHFFFAOYSA-N 0.000 claims 1
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- LTVDFSLWFKLJDQ-UHFFFAOYSA-N α-tocopherolquinone Chemical compound CC(C)CCCC(C)CCCC(C)CCCC(C)(O)CCC1=C(C)C(=O)C(C)=C(C)C1=O LTVDFSLWFKLJDQ-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Coloring (AREA)
Abstract
The invention provides a kind of natural dye resisting printing product and preparation method thereof.This method comprises the following steps：Pre-treatment is carried out to fabric and cation-modified；Cation stamp working solution is pulled out in preparation, to it is above-mentioned it is cation-modified after fabric carry out pull out cation stamp, then baked or decatize；The fabric after stamp is dyed using natural dye, natural dye resisting printing product is obtained.The preparation method that the present invention is provided can solve the problem that the problems such as natural dye stamp heavy metals exceeding standard, feel are partially hard, color fastness is not good, large area background color is irregular.
Description
Technical Field
The invention relates to a natural dye resist printing product and a preparation method thereof, belonging to the technical field of textile dyeing and finishing.
Background
Natural dyes are dyes obtained from plant, animal or mineral sources without artificial synthesis and with little or no chemical processing. Because of the characteristics of reproducibility, sustainable development, environmental protection and the like, the natural dye printed product has strong pattern attractiveness and various changes, belongs to a higher-end product, and is widely popular with people. However, the development of the natural dye printed product is limited due to poor color fastness, light color of the printed part, complex printing and the like. The conventional natural dye printing products are printed mainly by a method of adding a heavy metal mordant or adding resin. Causes the problems of heavy metal exceeding standard, hard hand feeling, poor color fastness, dark color, uneven large-area printing color and the like.
Disclosure of Invention
In order to solve the technical problems, the invention aims to provide a natural dye-proof printed product and a preparation method thereof, and the preparation method can solve the problems of standard exceeding of heavy metal, hard hand feeling, poor color fastness, uneven large-area printing color and the like when the natural dye is used for printing.
In order to achieve the aim, the invention provides a preparation method of a natural dye resist printing product, which comprises the following steps:
performing pretreatment and cationic modification on the fabric;
preparing a stripping cationic printing working solution, carrying out stripping cationic printing on the fabric subjected to cationic modification, and then baking or steaming;
and dyeing the printed fabric by using a natural dye to obtain a natural dye-proof printed product.
The above baking and steaming enables the alkali to react with the cationic modifier grafted onto the fibers to cause the cationic modifier to fall off. The baking temperature is generally 100-200 ℃, the time is 5s-20min, the steaming temperature is generally 100-150 ℃, and the time is 1-10 min.
In the above method, the fabric is pretreated for removing impurities on the fabric, controlling finishing width and fabric gram weight for printing, and the pretreatment can be performed according to the conventional pretreatment method adopted in the textile field, for example, for pure cotton woven fabric, the pretreatment process can include pretreatment steps such as desizing, scouring, bleaching, washing, dewatering, drying, etc.; for pure hemp fabrics and real silk fabrics, the pretreatment process can comprise the pretreatment steps of degumming, boiling off, bleaching, washing, dewatering, drying and the like.
In the above method, preferably, the cationic modification comprises placing the fabric in a cationic modification solution, and treating at 0-100 ℃ for 10min-48 h; or padding the fabric with cationic modifying liquid, and controlling the liquid carrying rate to be 50-150%; more preferably, the cation modifying solution comprises 5-100g/L of cation modifying agent and 0.5-50g/L of caustic soda according to the volume of the cation modifying solution, wherein the cation modifying agent comprises quaternary ammonium salt compounds; further preferably, the cation modifier comprises one or a combination of more of 2, 3-epoxypropyltrimethylammonium chloride, 2, 3-epoxypropyltriethylammonium chloride, 3-chloro-2-hydroxypropyltrimethylammonium chloride, 3-chloro-2-hydroxypropyltriethylammonium chloride, a dual-reactive-group cation modifier and a dual-reactive-group dual-cation modifier; the double-reactive-group cationic modifier is the cationic modifier disclosed in CN104086512A (the name of the invention is a double-reactive-group cationic modifier and a preparation method and application thereof, the application number is 201410270387.2, the application date is 2014.06.17), and the double-reactive-group double-cationic modifier is the cationic modifier disclosed in CN104086511A (the name of the invention is a double-reactive-group double-cationic modifier and a preparation method and application thereof, the application number is 201410270386.8, the application date is 2014.06.17), and the whole content of the double-reactive-group cationic modifier is incorporated herein by reference. Due to the cationic modification, the anionic water-soluble natural dye can react with cations on the fabric, so that the anionic water-soluble natural dye can be better combined with the fabric, and the dyeing color fastness is improved.
In the method, after padding the fabric with the solution containing the cationic modifier, the refining agent and the hydrogen peroxide, the fabric can be piled at room temperature, so that impurities on the fabric can be removed and the cationic modification can be carried out at the same time.
In the method, preferably, the stripping cationic printing working solution comprises 0.5-20% of alkaline agent, 1-20% of thickening agent and the balance of water in percentage by weight; more preferably, the alkaline agent comprises sodium hydroxide, sodium silicate or sodium carbonate; the thickening agent comprises sodium alginate or synthetic slurry. The cation removal printing working solution provided by the invention can interact with a cation modifier to remove the cation modifier from a fabric, a natural dye is not easy to dye when the region of the cation modifier is removed during dyeing, the cation removal printing working solution can enable a printed pattern to have a clear outline while the cation modifier is effectively removed, a printed region is not stained, and the removal degree and the region of the cation modifier can be regulated and controlled according to needs in the actual operation process.
In the above method, preferably, when the printed fabric is dyed by using a natural dye, the natural dye is an anionic water-soluble natural dye, and more preferably one or a combination of chlorophyll, cochineal, sorghum red and green tea; the dyeing mode comprises dip dyeing, pad dyeing, foam dyeing or spray dyeing.
In the above method, preferably, after dyeing the printed fabric with the natural dye, the method further comprises washing and over-softening the fabric with water.
In the above method, preferably, after the cationic modification is finished and before the cationic printing is removed, the method further comprises the steps of washing, pickling and drying the fabric.
In the above method, preferably, after the cationic pattern is removed, before dyeing of the printed fabric using a natural dye is started, the method further comprises the step of washing and pickling the fabric.
In the above method, preferably, after dyeing of the natural dye is finished, the method further comprises the steps of washing, drying and setting the fabric; more preferably, the method further comprises the step of softening after the water washing and before the drying and setting.
The above washing is intended to remove the floating color and can be carried out according to the conventional washing method adopted in the textile field, and the washing method has various combinations, for example, washing once at about 70 ℃, washing once at about 50 ℃ and washing once at room temperature; the acid washing can be carried out according to the conventional acid washing method adopted in the textile field, for example, the acid washing can be carried out by adopting an acetic acid aqueous solution with the concentration of 0.5 g/L; the over-softening can be carried out according to the conventional over-softening method adopted in the textile field, and the over-softening agent can be an over-softening agent which is commonly used for over-softening in the textile field, such as organosilicon softening oil; the drying and shaping can be carried out according to the conventional shaping method adopted in the textile field.
In the above method, preferably, the fabric comprises a component capable of reacting with the cationic modifier; more preferably, the fabric comprises a cotton-containing fabric, a viscose-containing fabric, a wool-containing fabric, a silk-containing fabric, or a hemp-containing fabric; it is further preferred that the fabric comprises a pure cotton fabric, a pure viscose fabric, a pure wool fabric, a pure silk fabric or a pure hemp fabric.
In the above method, preferably, the fabric comprises a knitted fabric, a woven fabric or a nonwoven fabric; the fabric is in the form of cloth, cut pieces or ready-made clothes.
The invention has the beneficial effects that:
the technical scheme provided by the invention can solve the problems of overproof heavy metal, hard hand feeling, poor color fastness, uneven large-area ground color and the like in natural dye printing, the coloring part of the natural dye-proof printing product prepared according to the scheme has uniform color, and the finally obtained fabric finished product has soft hand feeling.
Detailed Description
The technical solutions of the present invention will be described in detail below in order to clearly understand the technical features, objects, and advantages of the present invention, but the present invention is not limited to the practical scope of the present invention.
Example 1
The embodiment provides a preparation method of a chlorophyll natural dye anti-dyeing printed product, which comprises the following steps:
placing the desized, boiled and bleached pure cotton woven fabric in a cation modification solution with a bath ratio of 1:8 (the concentration of a cation modifier (2, 3-epoxypropyltriethylammonium chloride) in the modification solution is 15g/L, and the concentration of caustic soda is 5g/L) to modify for 1 hour at 70 ℃, then washing with 2 times of water (room temperature to 65 ℃) and 1 time of 1g/L of acetic acid solution for acid pickling (room temperature), and then drying and rolling;
printing paste (calculated by weight percentage, the printing paste comprises 2% of NaOH, 7% of sodium alginate and the balance of water) is prepared, and the printing paste is baked for 150s at 130 ℃ after being printed by a rotary screen. Washing with 3 times of 40 ℃ warm water, washing with 0.5g/L acetic acid solution, washing with 1 time of 40 ℃ warm water, drying, and rolling;
after the fabric passes through a prepared groove for rolling a natural dye solution containing 50g/L of chlorophyll, steaming the fabric at 105 ℃ for 5min, washing the fabric with 2 times of warm water at 40 ℃, washing the fabric with 1 time of hot water at 80 ℃ and 1 time of warm water at 40 ℃, and finally carrying out conventional sizing;
the pure cotton woven fabric with the chlorophyll natural dye printed with the white NIKE letter green ground color is obtained through the steps, the obtained fabric is free of defects such as overproof heavy metal (OEKO TEX Standard 100), soft in hand feeling, uniform in ground color and free of white spots and white stars, and the washing color fastness of the fabric is more than 3.5 grade (AATCC 61-2A).
Example 2
The embodiment provides a preparation method of a cochineal natural dye anti-dyeing printed product, which comprises the following steps:
placing the boiled and bleached pure cotton knitted fabric in a cation modification liquid with a bath ratio of 1:10 (the concentration of a cation modifier (a double-reaction active group cation modifier) in the modification liquid is 15g/L and the concentration of caustic soda is 5g/L) for modification at 70 ℃ for 1 hour, washing with water for 2 times (the temperature is between room temperature and 65 ℃) and washing with acetic acid solution for 1 time (the temperature is room temperature) and then shaping, and preparing the shaped knitted fabric into a knitted sweater according to requirements;
preparing printing paste (the printing paste comprises 2.5 percent of NaOH, 10 percent of sodium alginate and the balance of water in percentage by mass), printing the paste at a position needing printing, baking the paste at 140 ℃ for 150s after flat screen printing, washing the paste in a ready-to-wear dyeing tank with 3 times of warm water at 40 ℃, and then washing the paste with 1 time of 0.5g/L acetic acid solution;
adding the knitted sweater into a prepared natural dye solution containing 2g/L cochineal red, treating at 90 deg.C for 60min, washing with 1-pass 80 deg.C hot water and 2-pass 40 deg.C warm water, softening, dehydrating, and oven drying;
the cochineal natural dye printed white Esquel letter red ground color pure cotton knitted sweater obtained through the steps does not contain heavy metal (OEKO TEX Standard 100), is soft in handfeel, has color fastness larger than 3.5(AATCC61-2A), and is uniform in ground color.
Example 3
The embodiment provides a preparation method of a sorghum red natural dye anti-dyeing printed product, which comprises the following steps:
padding the desized pure cotton woven fabric into a solution containing 50g/L of a cation modifier CR-2000 (produced by Dow chemical company in America), 12g/L of caustic soda, 25g/L of a refining agent Noveco (produced by Toona trade company, Shanghai) and 30g/L of hydrogen peroxide (the mass concentration of the hydrogen peroxide is 27.5%), controlling the liquid carrying rate to be 120%, piling for 24 hours at room temperature, washing with 2 times of hot water at 80 ℃, 1 time of warm water at 40 ℃, 1 time of pickling with 0.5g/L of acetic acid solution and 1 time of washing with warm water at 40 ℃, drying and rolling to obtain the pretreated woven fabric;
preparing printing paste (the printing paste comprises 1.5 percent of NaOH, 8 percent of sodium alginate and the balance of water in percentage by weight), steaming for 10min at 102 ℃ after rotary screen printing, and washing with 3 times of warm water at 40 ℃ and 1 time of 0.5g/L acetic acid solution in a dye vat respectively;
adding the pure cotton woven fabric into a prepared natural dye solution containing 3g/L of sorghum red, treating at 90 ℃ for 60min, washing with 1-channel hot water at 80 ℃ and 2-channel warm water at 40 ℃, and finally performing conventional shaping;
the pure cotton woven fabric with the sorghum red natural dye printed with the white A & F letter red ground color is obtained through the steps, the obtained fabric does not contain heavy metal (OEKO TEX Standard 100), is soft in hand feeling, has the color fastness of more than 3.5(AATCC61-2A), and is uniform in ground color.
Example 4
The embodiment provides a preparation method of a green tea natural dye-resistant printed product, which comprises the following steps:
padding a desized pure cotton woven fabric into a solution containing 50g/L of a cation modifier CR-2000 (produced by Dow chemical company in America), 12g/L of caustic soda, 25g/L of a refining agent Noveco (produced by Toona trade company) and 30g/L of hydrogen peroxide (the mass concentration of the hydrogen peroxide is 27.5%), controlling the liquid carrying rate to be 100%, piling for 24 hours at room temperature, washing with 2 times of hot water at 80 ℃, 1 time of warm water at 40 ℃, 1 time of pickling with 0.5g/L of acetic acid solution and 1 time of washing with warm water at 40 ℃, drying and rolling to obtain a pretreated woven fabric, and preparing the pretreated woven fabric into handkerchief according to requirements;
preparing printing paste (the printing paste comprises 1.5 percent of NaOH, 8 percent of sodium alginate and the balance of water in percentage by weight), printing the paste on a position to be printed, performing rotary screen printing, baking for 150s at 130 ℃, and respectively performing 3-path washing with warm water at 40 ℃, 1-path washing with 1g/L acetic acid solution (room temperature) and 1-path washing with warm water at 40 ℃ in a garment dyeing cylinder;
adding the pure cotton woven fabric into a prepared natural dye solution containing 2g/L of green tea, treating for 45min at 95 ℃, then washing with 1-pass 70 ℃ hot water and 2-pass 40 ℃ warm water, then placing in a solution containing 2g/L of organic silicon soft oil for softening treatment, and finally dehydrating and drying;
the green tea natural dye printed white Esquel letter card base printed pure cotton handkerchief of the example was obtained through the above steps, and the obtained handkerchief was free of heavy metals (OEKO TEX Standard 100), soft in hand, greater than 3.5 in color fastness (AATCC61-2A), and uniform in base color.
Example 5
The embodiment provides a preparation method of a cochineal natural dye anti-dyeing printed product, which comprises the following steps:
placing the degummed, boiled and bleached real silk fabric into cation modification liquid containing 15g/L of cation modifier CR-2000 (produced by Dow chemical company in America) and 6g/L of caustic soda (bath ratio of the real silk fabric to the cation modification liquid is 1:10), treating for 1 hour at 70 ℃, respectively washing with 3 times of warm water at 40 ℃, washing with 0.5g/L of acetic acid solution and washing with 1 time of warm water at 40 ℃, drying and shaping, and preparing the dried and shaped real silk fabric into silk towels as required;
preparing printing paste (the printing paste comprises 1.5 percent of NaOH, 12 percent of sodium alginate and the balance of water in percentage by weight), printing the paste on a position to be printed, baking the position at 130 ℃ for 150s after rotary screen printing, and respectively washing the position in a garment dyeing cylinder with 3 times of warm water at 40 ℃, washing the position with 0.5g/L acetic acid solution and washing the position with 1 time of warm water at 40 ℃;
adding the scarves into a prepared natural dye solution containing 2g/L cochineal red, treating at 90 ℃ for 45 minutes, washing with 1-pass 70 ℃ hot water and 2-pass 40 ℃ warm water, softening in a solution containing 2g/L organosilicon soft oil, and dehydrating and drying;
the cochineal red natural dye printed light red Esquel letter red bottom color silk scarf is obtained through the steps, the obtained silk scarf does not contain heavy metals (OEKO TEX Standard 100), is soft in hand feeling, has color fastness larger than 3.5(AATCC61-2A), and is uniform in bottom color.
Example 6
The embodiment provides a preparation method of a chlorophyll natural dye anti-dyeing printed product, which comprises the following steps:
treating degummed, scoured and bleached pure linen fabric in a dyeing tank for 1 hour at 70 ℃ by using a cationic modifying solution containing 15g/L of a cationic modifying agent CR-2000 (produced by Dow chemical company in America) and 6g/L of caustic soda (the bath ratio of the pure linen fabric to the cationic modifying solution is 1:10), washing the pure linen fabric with 3 times of warm water at 40 ℃, washing the pure linen fabric with 0.5g/L of acetic acid solution and washing the pure linen fabric with 1 time of warm water at 40 ℃, drying and shaping the pure linen fabric, and preparing the dried and shaped pure linen fabric into handkerchiefs according to requirements;
preparing printing paste (the printing paste comprises 2% of NaOH, 12% of sodium alginate and the balance of water in percentage by weight), printing the paste on a position to be printed, performing rotary screen printing, baking for 130s at 130 ℃, and performing 3-pass warm water washing at 40 ℃, 0.5g/L acetic acid solution pickling and 1-pass warm water washing at 40 ℃ in a ready-to-wear dyeing tank respectively;
adding the handkerchief into a prepared natural dye solution containing chlorophyll 2g/L, treating at 95 deg.C for 45min, washing with hot water at 70 deg.C for 1 pass and warm water at 40 deg.C for 2 passes respectively, softening in a solution containing organosilicon soft oil 2g/L, and dewatering and oven drying;
the chlorophyll natural dye printed white Esquel letter green ground color pure hemp handkerchief is obtained through the steps, the obtained pure hemp handkerchief is not overproof in heavy metal (OEKO TEX Standard 100), soft in hand feeling, greater than 3.5 in color fastness (AATCC61-2A) and uniform in ground color.
Example 7
The embodiment provides a preparation method of a cochineal natural dye anti-dyeing printed product, which comprises the following steps:
padding desized cotton/tencel woven fabric into a solution containing 50g/L of a cation modifier CR-2000 (produced by Dow chemical company in America), 12g/L of caustic soda, 25g/L of a refining agent Noveco (produced by Toona trade company) and 30g/L of hydrogen peroxide (the mass concentration of the hydrogen peroxide is 27.5%), controlling the liquid carrying rate to be 90%, piling for 24 hours at room temperature, washing with 2 times of warm water at 80 ℃, 1 time of warm water at 40 ℃, 1 time of pickling with 0.5g/L of acetic acid solution and 1 time of washing with warm water at 40 ℃, drying and rolling to obtain pretreated woven fabric, and preparing the woven fabric into woven shirt cut pieces according to requirements;
preparing printing paste (the paste comprises 1.5 percent of NaOH, 7 percent of sodium alginate and the balance of water in percentage by weight), printing the paste on a position to be printed, performing rotary screen printing, baking for 150s at 140 ℃, washing with warm water at 40 ℃ and washing with acetic acid solution at 0.5g/L respectively after forming a woven shirt in a garment dyeing tank;
adding the shirt into a prepared natural dye solution containing 1g/L cochineal red, treating at 90 deg.C for 60min, washing with 1-80 deg.C hot water and 2-40 deg.C warm water respectively, softening, dehydrating and oven drying.
The cochineal natural dye printed white Esquel letter red bottom color cotton/tencel woven shirt is obtained through the steps, and the obtained cotton/tencel woven shirt does not contain heavy metal (OEKO TEX Standard 100), is soft in hand feeling, has color fastness larger than 3.5(AATCC61-2A), and is uniform in bottom color.
Example 8
The embodiment provides a preparation method of a sorghum red natural dye anti-dyeing printed product, which comprises the following steps:
treating the boiled and bleached pure viscose knitted fabric in a dyeing cylinder by a cation modification solution containing 15g/L of cation modifier CR-2000 (produced by Dow chemical company in America) and 6g/L of caustic soda at 70 ℃ for 1 hour (the bath ratio of the pure viscose knitted fabric to the cation modification solution is 1:10), respectively washing the pure viscose knitted fabric by 3 times of warm water at 40 ℃, washing the pure viscose knitted fabric by 0.5g/L of acetic acid solution and 1 time of warm water at 40 ℃, drying, shaping and rolling;
preparing printing paste (the printing paste comprises 1.5 percent of NaOH, 12 percent of sodium alginate and the balance of water in percentage by weight), printing the paste on a position to be printed, performing rotary screen printing, steaming at 102 ℃ for 3min, and respectively washing with 3 times of warm water at 40 ℃ and 0.5g/L of acetic acid solution in a dyeing cylinder;
adding the knitted fabric into a prepared natural dye solution containing 3g/L of sorghum red, treating at 90 ℃ for 60min, respectively washing with 1 lane of hot water at 80 ℃, washing with 2 lanes of warm water at 40 ℃, softening with peracid (washing with 1 lane of 0.5g/L acetic acid solution), and the like, and finally carrying out conventional sizing.
The sorghum red natural dye printed white Esquel letter red ground color pure viscose knitted fabric is obtained through the steps, the obtained fabric does not contain heavy metal (OEKO TEX Standard 100), is soft in hand feeling, has color fastness larger than 3.5(AATCC61-2A), and is uniform in ground color.
Example 9
The embodiment provides a preparation method of a sorghum red natural dye anti-dyeing printed product, which comprises the following steps:
padding desized cotton/viscose woven fabric with cationic modifying solution containing 50g/L of cationic modifying agent CR-2000 (produced by Dow chemical company in America) and 12g/L of caustic soda, wherein the liquid carrying rate is 90%, piling the cotton/viscose woven fabric in solution containing 25g/L of refining agent Noveco (produced by auxiliary agent of Toona trade and Limited company) and 30g/L of hydrogen peroxide (the mass concentration of the hydrogen peroxide is 27.5%) for 24 hours, washing the cotton/viscose woven fabric with 2-path warm water at 80 ℃, 1-path warm water at 40 ℃, 1-path acid washing with 0.5g/L of acetic acid solution and 1-path warm water at 40 ℃, drying and rolling the cotton/viscose woven fabric to obtain the pretreated woven fabric;
preparing printing paste (the printing paste comprises 1.5 percent of NaOH, 8 percent of sodium alginate and the balance of water in percentage by weight), steaming for 5min at 102 ℃ after rotary screen printing, and respectively washing with warm water at 40 ℃ for 3 times and acetic acid solution at 0.5g/L for 1 time (room temperature) in a dyeing cylinder;
foaming a prepared solution containing 20g/L of foaming agent and 40g/L of sorghum red by a foaming machine (the foaming ratio is 1:10), then uniformly applying the solution on the pretreated cotton/viscose woven fabric by a foam coating machine, baking for 3min at 140 ℃, washing with 2-path warm water at 40 ℃, washing with 1-path warm water at 80 ℃ and 1-path warm water at 40 ℃, and finally performing conventional shaping.
The sorghum red natural dye printed white A & F letter red bottom cotton/viscose woven fabric is obtained through the steps, the obtained fabric does not contain heavy metal (OEKO TEX Standard 100), is soft in hand feeling, has color fastness of more than 3.5(AATCC61-2A), and is uniform in bottom color.
Claims (15)
1. A preparation method of a natural dye resist printing product comprises the following steps:
performing pretreatment and cationic modification on the fabric;
preparing a stripping cationic printing working solution, carrying out stripping cationic printing on the fabric subjected to cationic modification, and then baking or steaming; the baking temperature is 100-200 ℃, and the baking time is 5s-20 min; the steaming temperature is 100-150 ℃, and the steaming time is 1-10 min;
dyeing the printed fabric by using natural dye to obtain a natural dye anti-dyeing printed product; wherein,
the stripping cationic printing working solution comprises, by weight, 0.5-20% of an alkaline agent, 1-20% of a thickening agent, and the balance of water; the alkaline agent comprises sodium hydroxide, sodium silicate or sodium carbonate; the thickening agent comprises sodium alginate or synthetic slurry.
2. The method of claim 1, wherein: the cationic modification comprises the steps of putting the fabric into cationic modification liquid, and treating for 10min-48h at the temperature of 0-100 ℃; or,
padding the fabric with cationic modifying liquid, and controlling the liquid carrying rate to be 50-150%.
3. The method of claim 2, wherein: the cation modifying solution comprises 5-100g/L of cation modifying agent and 0.5-50g/L of caustic soda by volume of the cation modifying solution, wherein the cation modifying agent comprises quaternary ammonium salt compounds.
4. The method of claim 3, wherein: the cation modifier comprises one or more of 2, 3-epoxypropyltrimethyl ammonium chloride, 2, 3-epoxypropyltriethyl ammonium chloride, 3-chlorine-2-hydroxypropyl trimethyl ammonium chloride, 3-chlorine-2-hydroxypropyl triethyl ammonium chloride, a dual-reactive active group cation modifier and a dual-reactive active group dual-cation modifier.
5. The method of claim 1, wherein: when the printed fabric is dyed by adopting a natural dye, the natural dye is an anionic water-soluble natural dye;
the dyeing mode comprises dip dyeing, pad dyeing, foam dyeing or spray dyeing.
6. The method of claim 5, wherein: the natural dye is one or more of chlorophyll, cochineal, sorghum red and green tea.
7. The method of claim 1, wherein: after dyeing the printed fabric with natural dyes, the method further comprises the steps of washing and over-softening the fabric.
8. The method of claim 1, wherein: after the cationic modification is finished and before the cationic printing is removed, the method also comprises the steps of washing, pickling and drying the fabric.
9. The method of claim 1, wherein: after the cationic printing is removed, before dyeing of the printed fabric by using natural dyes is started, the method also comprises the steps of washing and acid washing of the fabric.
10. The method of claim 1, wherein: the fabric includes a component capable of reacting with the cationic modifier.
11. The method of claim 10, wherein: the fabric comprises a cotton-containing fabric, a viscose-containing fabric, a wool-containing fabric, a silk-containing fabric or a hemp-containing fabric.
12. The method of claim 10 or 11, wherein: the fabric comprises pure cotton fabric, pure viscose fabric, pure wool fabric, pure silk fabric or pure hemp fabric.
13. The method of claim 1 or 10, wherein: the fabric includes a knitted fabric, a woven fabric, or a nonwoven fabric.
14. The method of claim 13, wherein: the fabric is in the form of cloth, cut pieces or ready-made clothes.
15. A natural dye resist printed product made by the process of any one of claims 1 to 14.
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| CN105113290B (en) * | 2015-09-16 | 2019-05-21 | 广东溢达纺织有限公司 | A kind of natural dye mordant dyeing Printing and preparation method thereof |
| CN105821683A (en) * | 2016-05-14 | 2016-08-03 | 山东黄河三角洲纺织科技研究院有限公司 | Method for preventing printing-free areas of positive-ion-modified cotton fabric from staining |
| CN106192463B (en) * | 2016-07-26 | 2018-04-10 | 苏州大学 | A kind of protein fibre fabric natural dye ecology printing method |
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| CN109953553A (en) * | 2017-12-22 | 2019-07-02 | 嘉瑞福(浙江)家具有限公司 | A kind of processing technique for nonwoven fabric on seat plate bottom surface |
| CN111501382A (en) * | 2020-04-20 | 2020-08-07 | 天津工业大学 | Non-urea ink-jet printing pretreatment liquid suitable for wool fabric and pretreatment method |
| CN112267310A (en) * | 2020-10-26 | 2021-01-26 | 山东众和新材料科技有限公司 | Cinnamomum camphora pulp pigment printing paste and printing method thereof on pure cotton fabric |
| US20230010719A1 (en) * | 2021-07-07 | 2023-01-12 | Target Brands, Inc. | Sustainable fabric preparation process for dyeing with botanical (plant) dyes |
| CN114045690A (en) * | 2021-12-06 | 2022-02-15 | 浙江理工大学 | Cation modified ink and application thereof in high-simulation color woven cloth |
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| CN102433772B (en) * | 2011-09-07 | 2014-04-09 | 浙江理工大学 | Natural dye dyeing method based on non-damaging modification of real silk fabrics |
| CN103821014A (en) * | 2014-03-20 | 2014-05-28 | 海安县福兴漂染有限公司 | Cotton fiber based non-reactive type modified natural dye staining method |
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