CN110230216B - Lyocell fiber fabric dyed by natural dye and preparation method thereof - Google Patents
Lyocell fiber fabric dyed by natural dye and preparation method thereof Download PDFInfo
- Publication number
- CN110230216B CN110230216B CN201910463379.2A CN201910463379A CN110230216B CN 110230216 B CN110230216 B CN 110230216B CN 201910463379 A CN201910463379 A CN 201910463379A CN 110230216 B CN110230216 B CN 110230216B
- Authority
- CN
- China
- Prior art keywords
- lyocell
- dropwise adding
- natural dye
- fabric
- dyed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/34—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using natural dyestuffs
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
- D06P1/52—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders using compositions containing synthetic macromolecular substances
- D06P1/5207—Macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
- D06P1/5214—Polymers of unsaturated compounds containing no COOH groups or functional derivatives thereof
- D06P1/5242—Polymers of unsaturated N-containing compounds
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P3/00—Special processes of dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form, classified according to the material treated
- D06P3/58—Material containing hydroxyl groups
- D06P3/60—Natural or regenerated cellulose
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P5/00—Other features in dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form
- D06P5/002—Locally enhancing dye affinity of a textile material by chemical means
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P5/00—Other features in dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form
- D06P5/02—After-treatment
- D06P5/10—After-treatment with compounds containing metal
Abstract
The invention relates to a lyocell fabric dyed by natural dye and a preparation method thereof. The lyocell fiber fabric dyed by the natural dye prepared by the method has higher dye-uptake, and the dye-uptake of the lyocell fiber fabric by the natural dyes indigo, gardenia jasminoides, lithospermum and madder respectively reaches 89.8%, 93.6%, 93.2% and 93.8%; the K/S value of the lyocell fabric dyed by natural dyes of indigo, gardenia jasminoides, lithospermum and madder also shows a higher value, and the K/S value is not obviously reduced after 20 times of washing. The lyocell fabric dyed by the natural dye has the advantages of simple preparation process, obvious application effect and better application and popularization values.
Description
Technical Field
The invention belongs to the technical field of lyocell fabric, and particularly relates to lyocell fabric dyed by natural dye and a preparation method thereof.
Background
Lyocell is a novel man-made fiber, the main component of which is cellulose fiber; it has excellent mechanical property and has the advantages of other fibers, such as: comfort of cotton fibers, soft hand feeling of real silk, elegant luster of silk and the like; it is widely applied in the field of various textiles and belongs to high-grade textile fibers.
At present, natural dye dyeing of fabrics is increasingly popular, because the natural dye dyeing has little pollution to the environment, and the dyed clothes have no harm to the health of human bodies; such as: the Chinese patent application No. 201710127909.7 discloses a natural dye dyeing method for cellulose fiber fabric; the Chinese patent application No. 201510036524.0 discloses a natural dye dyeing method for cellulose fiber fabric; chinese patent application No. 201710798925.9 discloses a post-treatment method of natural dye protein fiber fabric. The literature research finds that: lyocell fibers are generally dyed using synthetic dyes, and lyocell fibers dyed with natural dyes have been rarely reported. The main component of the lyocell fiber is cellulose, the natural dye has low dye uptake on the lyocell fiber and low color fastness, because the natural dye has negative charges and hydroxyl groups on the lyocell fiber also easily generate negative charges, so that the affinity between the natural dye and the lyocell fiber is weak, and the reactivity between the natural dye and the lyocell fiber is poor. Therefore, an efficient method must be sought for bringing the natural dye close to and reacting with the lyocell fibre.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a lyocell fabric dyed by natural dye and a preparation method thereof. The lyocell fabric prepared by the method has better skin-friendly performance to skin, and the quality of the lyocell fabric can be further improved.
The invention aims to provide a lyocell fabric dyed by natural dye, which is prepared by performing cationic modification on the fabric, dyeing by using the natural dye and fixing color by using nano titanium dioxide sol.
Another object of the present invention is to provide a method for preparing a natural dye-dyed lyocell fabric, which comprises the steps of:
(1) cation modification: and (2) soaking the lyocell fabric into a cation modifier solution, and adjusting the pH value of the solution to 9-10 by using a 10% sodium hydroxide aqueous solution for 50-60 min.
Preferably, the solid-to-liquid ratio of the lyocell fabric (g) to the cationic modifier solution (ml) is: 1: 10-20, and the concentration of the cation modifier solution is 1-2%.
(2) Dyeing: soaking the lyocell fiber fabric treated in the step (1) into a dye vat for dyeing, wherein the dyeing conditions are as follows: the concentration of the natural dye relative to the fabric is 1-3%, the bath ratio is 1: 20-30, the temperature is increased to 85-90 ℃ at the temperature rising speed of 2 ℃/min, and dyeing is carried out for 50-60 min at the temperature of 85-90 ℃; and after dyeing is finished, washing with water and drying.
Preferably, the natural dye is any one of indigo, gardenia jasminoides, lithospermum and madder.
(3) And (3) fixation: soaking the lyocell fiber fabric treated in the step (2) in the nano titanium dioxide sol, soaking for two times and rolling for two times, drying at 100-105 ℃ for 3-5 min, and finally baking.
Preferably, the baking temperature is 160-180 ℃, and the baking time is 2-3 min.
The preparation method of the cation modifier in the step (1) comprises the following steps:
preparation of cationic modifier: respectively and simultaneously dropwise adding diallyl dimethyl ammonium chloride and allyl alcohol glycidyl ether into a three-neck flask, controlling the dropwise adding time to be 2-3 hours, adding a small amount of deionized water into the flask, and controlling the temperature to be 75-80 ℃ for stirring reaction; slowly dropwise adding an ammonium persulfate initiator aqueous solution, controlling the dropwise adding time to be 2-3 hours, and after the dropwise adding is finished, keeping the temperature for 3-4 hours to obtain poly (diallyldimethylammonium chloride) -allyl alcohol glycidyl ether, wherein the molecular structure of the poly (diallyldimethylammonium chloride) -allyl alcohol glycidyl ether is shown as the following formula, namely the prepared cation modifier; preferably, the molar ratio of the diallyl dimethyl ammonium chloride to the allyl alcohol glycidyl ether to the ammonium sulfate initiator is 1: 0.1-0.5.
The preparation method of the nano titanium dioxide sol in the step (3) comprises the steps of adding 30m L of absolute ethyl alcohol into a reaction bottle, sequentially dropwise adding 10m L of butyl titanate and 2m L of glacial acetic acid under stirring at about 25 ℃, continuously stirring for 15-20 min after dropwise adding to obtain a uniform and transparent solution, and dropwise adding HNO under stirring3After dropping the mixed solution of polyethylene glycol, absolute ethyl alcohol and water, stirring for 1 hour to obtain uniform and transparent nano TiO2And (3) sol.
Preferably, HNO3HNO in mixed solution of-polyethylene glycol-absolute ethyl alcohol-water3The volume ratios of the polyethylene glycol, the absolute ethyl alcohol and the water are respectively as follows: 1: 2-4: 10-15: 1-2, and the relative molecular weight of polyethylene glycol is 400.
The invention has the following remarkable characteristics:
(1) the lyocell fiber fabric dyed by the natural dye prepared by the method has higher dye-uptake, and the dye-uptake of the lyocell fiber fabric by the natural dyes indigo, gardenia jasminoides, lithospermum and madder respectively reaches 89.8%, 93.6%, 93.2% and 93.8%; the K/S value of the lyocell fabric dyed by natural dyes of indigo, gardenia jasminoides, lithospermum and madder also shows a higher value, and after 20 times of washing, the K/S value is not obviously reduced, which indicates that the stability of the lyocell fabric is very good.
(2) According to the invention, cationic modifier solution is adopted to carry out cationization modification on the lyocell fabric, so that the dye-uptake of the lyocell fabric can be promoted; the nanometer titanium dioxide sol is adopted to fix the color of the lyocell fiber fabric, and the nanometer titanium dioxide sol forms a layer of film on the surface of the fiber, so that the color fixing performance is better.
(3) The lyocell fabric dyed by the natural dye has better skin-friendly performance on skin, and the quality grade of the lyocell fabric can be further improved.
(4) The successful application of natural dyes provides an alternative scheme for replacing synthetic dyes, and has important significance for environmental protection and sustainable development of resources.
Detailed Description
The examples described below illustrate the invention in detail.
Example 1
In this embodiment, a method for preparing a lyocell fabric dyed with a natural dye includes the following steps:
(1) cation modification: soaking 20g of lyocell fiber fabric into 300ml of 1% cationic modifier solution, adjusting the pH value of the solution to 9.2 by using 10% sodium hydroxide aqueous solution, and soaking for 55 min;
the preparation method of the cationic modifier comprises the following steps: respectively and simultaneously dropwise adding 0.1mol of diallyl dimethyl ammonium chloride and 0.1mol of allyl alcohol glycidyl ether into a three-neck flask, controlling the dropwise adding time to be 2-3 hours, adding 100ml of deionized water into the flask, and controlling the temperature to be 78 ℃ for stirring reaction; and slowly dropwise adding 50ml of aqueous solution containing 0.02mol of ammonium persulfate initiator, controlling the dropwise adding time to be 2-3 hours, and after the dropwise adding is finished, keeping the temperature for 3-4 hours to obtain poly (diallyldimethylammonium chloride) -allyl alcohol glycidyl ether, wherein the molecular structure of the poly (diallyldimethylammonium chloride) -allyl alcohol glycidyl ether is shown as the following formula, thus obtaining the prepared cationic modifier.
(2) Dyeing: soaking the lyocell fiber fabric treated in the step (1) into a dye vat for dyeing, wherein the dyeing conditions are as follows: the natural dye indigo has a specific gravity of 2% relative to the fabric, a bath ratio of 1: 25, a temperature rise rate of 2 ℃/min to 88 ℃, and dyeing at 88 ℃ for 55 min; and after dyeing is finished, washing with water and drying.
(3) And (3) fixation: soaking the lyocell fabric treated in the step (2) in nano titanium dioxide sol, soaking for two times and rolling, drying at 103 ℃ for 4min, and finally baking at 180 ℃ for 3min to obtain natural dye indigo dyed lyocell fabric a;
the preparation method of the nano titanium dioxide sol comprises the steps of adding 30m L of absolute ethyl alcohol into a reaction bottle, dropwise adding 10m L of butyl titanate and 2m L of glacial acetic acid under stirring at about 25 ℃, continuing stirring for 15-20 min after dropwise adding to obtain a uniform and transparent solution, and dropwise adding HNO under stirring3-mixed solution of polyethylene glycol-absolute ethanol-water, preferably, HNO3The volume of the polyethylene glycol (molecular weight is 400), the volume of the absolute ethyl alcohol and the volume of the water are respectively 0.5m L, 2m L, 6m L and 1m L, and after dripping, the mixture is continuously stirred for 1 hour to obtain uniform and transparent nano TiO2And (3) sol.
Example 2
In this embodiment, a method for preparing a lyocell fabric dyed with a natural dye includes the following steps:
(1) cation modification: soaking 20g of lyocell fiber fabric into 400ml of 2% cationic modifier solution, adjusting the pH value of the solution to 9.7 by using 10% sodium hydroxide aqueous solution, and soaking for 60 min;
the preparation method of the cationic modifier comprises the following steps: respectively and simultaneously dropwise adding 0.1mol of diallyl dimethyl ammonium chloride and 0.1mol of allyl alcohol glycidyl ether into a three-neck flask, controlling the dropwise adding time to be 2-3 hours, adding 100ml of deionized water into the flask, and controlling the temperature to be 78 ℃ for stirring reaction; and slowly dropwise adding 50ml of aqueous solution containing 0.03mol of ammonium persulfate initiator, controlling the dropwise adding time to be 2-3 hours, and after the dropwise adding is finished, keeping the temperature for 3-4 hours to obtain poly (diallyldimethylammonium chloride) -allyl alcohol glycidyl ether, wherein the molecular structure of the poly (diallyldimethylammonium chloride) -allyl alcohol glycidyl ether is shown in example 1, and the obtained cationic modifier is obtained.
(2) Dyeing: soaking the lyocell fiber fabric treated in the step (1) into a dye vat for dyeing, wherein the dyeing conditions are as follows: the specific gravity of natural dye gardenia jasminoides is 1% relative to the fabric, the bath ratio is 1: 20, the temperature is raised to 88 ℃ at the temperature raising speed of 2 ℃/min, and dyeing is carried out for 60min at the temperature of 88 ℃; and after dyeing is finished, washing with water and drying.
(3) And (3) fixation: soaking the lyocell fabric treated in the step (2) in nano titanium dioxide sol, soaking for two times and rolling, then drying at 105 ℃ for 4min, and finally baking at 170 ℃ for 2min to obtain a lyocell fabric b dyed by natural dye gardenia jasminoides;
the preparation method of the nano titanium dioxide sol comprises the steps of adding 30m L of absolute ethyl alcohol into a reaction bottle, sequentially dropwise adding 10m L of butyl titanate and 2m L of glacial acetic acid under stirring at about 25 ℃, continuously stirring for 20min after dropwise adding to obtain a uniform and transparent solution, and dropwise adding HNO under stirring3-mixed solution of polyethylene glycol-absolute ethanol-water, preferably, HNO3The volume of the polyethylene glycol (molecular weight is 400), the volume of the absolute ethyl alcohol and the volume of the water are respectively 0.5m L, 1m L, 5m L and 0.5m L, and after the dripping is finished, the stirring is continued for 1 hour to obtain uniform and transparent nano TiO2And (3) sol.
Example 3
In this embodiment, a method for preparing a lyocell fabric dyed with a natural dye includes the following steps:
(1) cation modification: soaking 20g of lyocell fiber fabric into 200ml of 1% cationic modifier solution, adjusting the pH value of the solution to 9.5 by using 10% sodium hydroxide aqueous solution, and soaking for 60 min;
the preparation method of the cationic modifier comprises the following steps: respectively and simultaneously dropwise adding 0.1mol of diallyl dimethyl ammonium chloride and 0.1mol of allyl alcohol glycidyl ether into a three-neck flask, controlling the dropwise adding time to be 2-3 hours, adding 100ml of deionized water into the flask, and controlling the temperature to be 78 ℃ for stirring reaction; and slowly dropwise adding 50ml of aqueous solution containing 0.02mol of ammonium persulfate initiator, controlling the dropwise adding time to be 2-3 hours, and after the dropwise adding is finished, keeping the temperature for 3-4 hours to obtain poly (diallyldimethylammonium chloride) -allyl alcohol glycidyl ether, wherein the molecular structure of the poly (diallyldimethylammonium chloride) -allyl alcohol glycidyl ether is shown in example 1, and the obtained cationic modifier is obtained.
(2) Dyeing: soaking the lyocell fiber fabric treated in the step (1) into a dye vat for dyeing, wherein the dyeing conditions are as follows: the specific gravity of radix Arnebiae (natural dye) relative to fabric is 2.5%, bath ratio is 1: 25, heating to 90 deg.C at a temperature of 2 deg.C/min, and dyeing at 90 deg.C for 60 min; and after dyeing is finished, washing with water and drying.
(3) And (3) fixation: soaking the lyocell fabric treated in the step (2) in nano titanium dioxide sol, soaking for two times and rolling, drying at 100 ℃ for 4min, and finally baking at 180 ℃ for 3min to obtain a natural lithospermum dyed lyocell fabric c;
the preparation method of the nano titanium dioxide sol comprises the steps of adding 30m L of absolute ethyl alcohol into a reaction bottle, sequentially dropwise adding 10m L of butyl titanate and 2m L of glacial acetic acid under stirring at about 25 ℃, continuously stirring for 20min after dropwise adding to obtain a uniform and transparent solution, and dropwise adding HNO under stirring3-mixed solution of polyethylene glycol-absolute ethanol-water, preferably, HNO30.5m L, 1.5m L, 7.5m L and 1m L in volume of polyethylene glycol (molecular weight is 400), absolute ethyl alcohol and water respectively, and stirring for 1 hour after dripping to obtain uniform and transparent nano TiO2And (3) sol.
Example 4
In this embodiment, a method for preparing a lyocell fabric dyed with a natural dye includes the following steps:
(1) cation modification: soaking 20g of lyocell fiber fabric into 300ml of 3% cationic modifier solution, adjusting the pH value of the solution to 9.8 by using 10% sodium hydroxide aqueous solution, and soaking for 60 min;
the preparation method of the cationic modifier comprises the following steps: respectively and simultaneously dropwise adding 0.1mol of diallyl dimethyl ammonium chloride and 0.1mol of allyl alcohol glycidyl ether into a three-neck flask, controlling the dropwise adding time to be 2-3 hours, adding 100ml of deionized water into the flask, and controlling the temperature to be 78 ℃ for stirring reaction; and slowly dropwise adding 50ml of aqueous solution containing 0.01mol of ammonium persulfate initiator, controlling the dropwise adding time to be 2-3 hours, and after the dropwise adding is finished, keeping the temperature for 3-4 hours to obtain poly (diallyldimethylammonium chloride) -allyl alcohol glycidyl ether, wherein the molecular structure of the poly (diallyldimethylammonium chloride) -allyl alcohol glycidyl ether is shown in example 1, and the obtained cationic modifier is obtained.
(2) Dyeing: soaking the lyocell fiber fabric treated in the step (1) into a dye vat for dyeing, wherein the dyeing conditions are as follows: the specific gravity of Rubia cordifolia (natural dye) relative to fabric is 3%, the bath ratio is 1: 30, the temperature is raised to 90 deg.C at a rate of 2 deg.C/min, and dyeing is carried out at 90 deg.C for 60 min; and after dyeing is finished, washing with water and drying.
(3) And (3) fixation: soaking the lyocell fabric treated in the step (2) in nano titanium dioxide sol, soaking for two times and rolling, drying at 105 ℃ for 4min, and finally baking at 160 ℃ for 2min to obtain a natural dye madder dyed lyocell fabric d;
the preparation method of the nano titanium dioxide sol comprises the steps of adding 30m L of absolute ethyl alcohol into a reaction bottle, dropwise adding 10m L of butyl titanate and 2m L of glacial acetic acid under vigorous stirring at about 25 ℃, continuously stirring for 20min after dropwise adding to obtain a uniform and transparent solution, and dropwise adding HNO under stirring3-mixed solution of polyethylene glycol-absolute ethanol-water, preferably, HNO3The volume of the polyethylene glycol (molecular weight is 400), the volume of the absolute ethyl alcohol and the volume of the water are respectively 0.5m L, 1m L, 5m L and 0.5m L, and after the dripping is finished, the stirring is continued for 1 hour to obtain uniform and transparent nano TiO2And (3) sol.
Performance evaluation examples:
the K/S values and the dye uptake of the indigo-dyed lyocell fabric a, the gardenia jasminoides-dyed lyocell fabric b, the lithospermum-dyed lyocell fabric c, and the madder-dyed lyocell fabric d were respectively tested at different washing times. The test results are shown in the following table:
it can be seen from the table that the dye uptake of the indigo-dyed lyocell fabric a, the gardenia jasminoides-dyed lyocell fabric b, the lithospermum-dyed lyocell fabric c and the madder-dyed lyocell fabric d prepared by the method respectively reaches 89.8%, 93.6%, 93.2% and 93.8%, and the four natural dyes all show higher dyeing efficiency. The K/S values of the indigo-dyed Lyocell fiber fabric a, the gardenia jasminoides-dyed Lyocell fiber fabric b, the lithospermum-dyed Lyocell fiber fabric c and the madder-dyed Lyocell fiber fabric d reach 13.5, 14.7, 14.3 and 14.6 respectively, the K/S values are higher, and after 20 times of standard washing, the K/S values are not obviously reduced, which indicates that the stability of the fabric is good.
Claims (5)
1. A method of preparing lyocell fabric dyed with a natural dye, said method comprising the steps of:
(1) cation modification: soaking the lyocell fabric into a cationic modifier solution, adjusting the pH value of the solution to 9-10 by using a 5-10% sodium hydroxide aqueous solution, and soaking for 50-60 min;
the preparation method of the cationic modifier comprises the following steps: respectively and simultaneously dropwise adding diallyl dimethyl ammonium chloride and allyl alcohol glycidyl ether into a three-neck flask, controlling the dropwise adding time to be 2-3 hours, adding a small amount of deionized water into the flask, and controlling the temperature to be 75-80 ℃ for stirring reaction; then dropwise adding an ammonium persulfate initiator aqueous solution, controlling the dropwise adding time to be 2-3 hours, and after the dropwise adding is completed, preserving the heat for 3-4 hours to obtain poly (diallyldimethylammonium chloride) -allyl alcohol glycidyl ether, wherein the molecular structure of the poly (diallyldimethylammonium chloride) -allyl alcohol glycidyl ether is shown in the following figure, namely the prepared cation modifier;
(2) dyeing: soaking the lyocell fiber fabric treated in the step (1) into a dye vat for dyeing, wherein the dyeing conditions are as follows: the concentration of the natural dye relative to the fabric is 1-3%, the bath ratio is 1: 20-30, the temperature is increased to 85-90 ℃ at the temperature rising speed of 2 ℃/min, and dyeing is carried out for 50-60 min at the temperature of 85-90 ℃; after dyeing is finished, washing and drying;
(3) and (3) fixation: soaking the lyocell fabric treated in the step (2) in nano titanium dioxide sol, soaking for two times and rolling for two times, then drying at 100-105 ℃ for 3-5 min, and finally baking; the baking temperature is 160-180 ℃, and the baking time is 2-3 min;
the preparation method of the nano titanium dioxide sol comprises the steps of adding 30m L of absolute ethyl alcohol into a reaction bottle, dropwise adding 10m L of butyl titanate and 2m L of glacial acetic acid under stirring at about 25 ℃, continuously stirring for 15-20 min after dropwise adding to obtain a uniform and transparent solution, and then continuously dropwise adding HNO under stirring3After dropping the mixed solution of polyethylene glycol, absolute ethyl alcohol and water, stirring for 1 hour to obtain uniform and transparent nano TiO2Sol; the HNO3HNO in mixed solution of-polyethylene glycol-absolute ethyl alcohol-water3The volume ratios of the polyethylene glycol, the absolute ethyl alcohol and the water are respectively as follows: 1: 2-4: 10-15: 1-2, and the relative molecular weight of polyethylene glycol is 400.
2. The method for preparing a lyocell fabric dyed with a natural dye according to claim 1, wherein the solid-to-liquid ratio of the lyocell fabric to the cationic modifier solution in the step (1) is: 1: 10-20, and the concentration of the cation modifier solution is 1-2%.
3. The method for preparing a natural dye dyed lyocell fabric according to claim 1, wherein the molar ratio of the diallyldimethylammonium chloride, the allyl alcohol glycidyl ether and the ammonium sulfate initiator in the step (1) is 1: 0.1-0.5.
4. The method for preparing a lyocell fabric dyed with a natural dye according to claim 2, wherein the natural dye in the step (2) is any one of indigo, gardenia jasminoides, lithospermum, and madder.
5. A lyocell fabric dyed with a natural dye, which is produced by the method for producing a lyocell fabric dyed with a natural dye according to any one of claims 1 to 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910463379.2A CN110230216B (en) | 2019-05-30 | 2019-05-30 | Lyocell fiber fabric dyed by natural dye and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910463379.2A CN110230216B (en) | 2019-05-30 | 2019-05-30 | Lyocell fiber fabric dyed by natural dye and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110230216A CN110230216A (en) | 2019-09-13 |
| CN110230216B true CN110230216B (en) | 2020-07-28 |
Family
ID=67858230
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910463379.2A Active CN110230216B (en) | 2019-05-30 | 2019-05-30 | Lyocell fiber fabric dyed by natural dye and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110230216B (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111471316B (en) * | 2020-03-19 | 2021-12-14 | 当阳市鸿阳新材料科技有限公司 | Extraction method of microbial pigment and method for dyeing lyocell fibers by using microbial pigment |
| CN112252054A (en) * | 2020-09-22 | 2021-01-22 | 鲁泰纺织股份有限公司 | Method for dyeing pure cotton yarn on line by vegetable dye |
| CN112323513B (en) * | 2020-10-13 | 2023-02-28 | 武汉纺织大学 | Blue Lyocell fabric prepared by dyeing plant dye hyacinth and preparation method thereof |
| CN112411202B (en) * | 2020-10-13 | 2023-02-28 | 武汉纺织大学 | Black Lyocell fabric prepared by dyeing plant dye black cone and preparation method thereof |
| CN112501925B (en) * | 2020-10-13 | 2022-09-09 | 江苏苏美达轻纺科技产业有限公司 | Brown Lyocell fabric prepared by dyeing chestnut peels with vegetable dye and preparation method thereof |
| CN112482052B (en) * | 2020-10-13 | 2023-03-28 | 武汉纺织大学 | Green Lyocell fabric prepared by dyeing with plant dye rosemary and preparation method thereof |
| CN112680971A (en) * | 2020-12-24 | 2021-04-20 | 创姿服饰(上海)有限公司 | Fabric with excellent performance and application thereof in field of clothes |
| CN114703688B (en) * | 2022-04-29 | 2023-06-16 | 武汉纺织大学 | Black lyocell fabric prepared by dyeing animal dye galls and preparation method thereof |
| WO2024038442A1 (en) * | 2022-08-14 | 2024-02-22 | Sonoviatech Ltd. | Compositions and methods for indigo dyeing |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103015239B (en) * | 2012-12-29 | 2015-05-20 | 福建清源科技有限公司 | Polydimethyldiallylammonium chloride modified color fixing agent and preparation method thereof |
| CN105648745B (en) * | 2016-04-01 | 2018-04-17 | 陕西科技大学 | Fabric polymer matrix cerium-doped nanometer zinc oxide composite antibiosis agent and preparation method thereof |
| CN106283617A (en) * | 2016-09-13 | 2017-01-04 | 陕西科技大学 | Bafta polymer/Ag dopen Nano ZnO long acting antibiotic mildew-proofing finishing agent and preparation method thereof |
-
2019
- 2019-05-30 CN CN201910463379.2A patent/CN110230216B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN110230216A (en) | 2019-09-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110230216B (en) | Lyocell fiber fabric dyed by natural dye and preparation method thereof | |
| CN102268823A (en) | Method for improving dye depth of cellulose fiber fabrics by using chitosan | |
| CN104892832B (en) | A kind of preparation method of micro-cross-linked polymethyl acyloxyethyl trimethyl ammonium chloride modification color fixing agent | |
| CN101824761B (en) | Dyeing method | |
| CN102817239B (en) | Dyeing method of cellulosic fiber fabric | |
| CN102797170A (en) | Formaldehyde-free fixing agent and preparation method thereof | |
| CN113789649B (en) | Antibacterial fabric based on vegetable dye dyeing and preparation method thereof | |
| CN113389049A (en) | Composite cotton fiber fabric easy to dye and preparation method thereof | |
| CN111085171A (en) | Preparation method of magnetic chitosan modified silk fabric | |
| CN113605114A (en) | Scarf and processing technology thereof | |
| CN116084192B (en) | Dyeing process of woven polyester fabric | |
| CN104963219A (en) | Method for improving dyeing rate and fixation rate of reactive dye on kawo kawo fibers | |
| CN113832744B (en) | Environment-friendly clothing dye and application thereof in clothing printing and dyeing | |
| CN115010373A (en) | On-line dyed water-resistant colorful basalt fiber and preparation method thereof | |
| CN114990903A (en) | Water-saving and gas-saving printing and dyeing process | |
| CN112981989B (en) | Printing and dyeing additive and method for dyeing real silk/viscose composite fabric | |
| CN107237188A (en) | A kind of colouring method of flax fiber | |
| CN111021098B (en) | Method for dyeing by using natural dye | |
| CN113087914A (en) | Amino block hyperbranched organosilicon surfactant and preparation method and application thereof | |
| CN105603791A (en) | Preparation method of wet-friction-resistant formaldehyde-free fixing agent | |
| CN112095356A (en) | High-color-fastness vegetable dye printing method for protein fiber fabric | |
| CN111548448A (en) | Active hydrophilic color fixing agent for fabric and preparation method thereof | |
| CN110565369A (en) | Treatment method for improving fastness to soaping and fading of yarn dyed fabric and yarn dyed fabric | |
| CN111455697A (en) | Short-process dyeing and finishing process for cotton knitted fabric | |
| CN116556083B (en) | Polyester cotton short-process dyeing process |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20200630 Address after: 444199 No. 333 Changban Road, Dangyang City, Yichang City, Hubei Province (Jinqiao Industrial Park) Applicant after: Dangyang Hongyang New Material Technology Co.,Ltd. Address before: 444199 No. 333 Changban Road, Dangyang City, Yichang City, Hubei Province (Jinqiao Industrial Park) Applicant before: Dangyang Hongyang New Material Technology Co.,Ltd. Applicant before: Wuhan Textile University |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |