CN110607696A - Application of enzyme in dyeing of linen fabric, one-bath dyeing process of linen fabric and linen fabric - Google Patents
Application of enzyme in dyeing of linen fabric, one-bath dyeing process of linen fabric and linen fabric Download PDFInfo
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- CN110607696A CN110607696A CN201910908066.3A CN201910908066A CN110607696A CN 110607696 A CN110607696 A CN 110607696A CN 201910908066 A CN201910908066 A CN 201910908066A CN 110607696 A CN110607696 A CN 110607696A
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M16/00—Biochemical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. enzymatic
- D06M16/003—Biochemical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. enzymatic with enzymes or microorganisms
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- 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
- D06P1/38—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 reactive dyes
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- 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
- D06P3/66—Natural or regenerated cellulose using reactive dyes
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/02—Natural fibres, other than mineral fibres
- D06M2101/04—Vegetal fibres
- D06M2101/06—Vegetal fibres cellulosic
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
- D06M2200/50—Modified hand or grip properties; Softening compositions
Abstract
The invention relates to the technical field of fabric dyeing processing, in particular to application of ferment in dyeing of linen fabric, a linen fabric one-bath dyeing process and the linen fabric, wherein the ferment is applied in the dyeing process of the linen fabric and is subjected to singeing, fabric loosening treatment, active dyeing and sizing; the enzyme comprises fruit enzyme or/and vegetable enzyme, and the linen fabric with high color fastness is obtained through dyeing processing, so that the environment is protected; the linen fabric obtained by the dyeing process has the advantages that the staining of six fibers after washing at 40 ℃ reaches 4 grades, the breaking strength, tearing strength and color fastness all reach the requirements of superior products, and the performance is excellent.
Description
Technical Field
The invention relates to the technical field of fabric dyeing processing, in particular to application of ferment in linen fabric dyeing, a linen fabric one-bath dyeing process and linen fabric.
Background
The linen fabric is a fabric processed by taking linen fibers as raw materials, has the characteristics of quick moisture absorption and dispersion, high breaking strength, small breaking elongation, good waterproofness, soft luster, soft hand feeling and the like, and can be used as special cloth for clothing, decoration, national defense and industry and agriculture. The flax fiber is composed of cellulose and non-cellulose (including pectin, lignin, fatty wax and the like), and when the flax fiber is dyed, most of dye acts on the surface of the flax fiber and cannot sufficiently enter the flax fiber bonded by the non-cellulose such as the pectin and the like, so that the dyeing performance is adversely affected, such as poor dyeing fastness of the dye. In addition, if non-cellulose in the flax fiber is always remained in the fiber, the flax fiber tissue is compact and stiff, so that the softness and comfort degree of the flax fabric are reduced; and pectin and fatty wax residues can cause problems of colored flowers, colored spots and the like.
In order to improve the color fastness of the dye to linen fabrics and improve the dyeing effect and the softness of the linen fabrics, the non-cellulose in the linen fibers needs to be removed. In the traditional process, strong alkali and desizing liquid are added for desizing before the linen fabric is dyed, and non-cellulose is removed by combining a boiling-off process and a strong oxidant bleaching process. But the non-cellulose can be removed by adopting strong alkali desizing and strong oxidant bleaching, but the equipment loss is large and the environmental protection is poor.
At present, the process for performing dyeing pretreatment on linen fabric by using cellulase is available, although compared with the traditional strong alkali and strong oxidant, the environment-friendly property of the cellulase treatment is better; however, the cellulase not only easily damages the strength of the flax fabric tissue, but also easily causes cilia to fall off to influence the beauty of the fabric.
Disclosure of Invention
The invention aims to provide a linen fabric one-bath dyeing process, which can effectively remove non-cellulose in linen fibers and improve the hand feeling, dyeing property and mechanical strength of linen fabrics by loosening the linen fabric with enzyme with biological activity; compared with the traditional strong alkali and strong oxidant, the catalyst is more environment-friendly.
The first purpose of the invention is realized by the following technical scheme:
a linen fabric one-bath dyeing process comprises the following processing steps:
(1) singeing;
(2) and (3) fabric loosening treatment: soaking flax fabric with enzyme for 40-60min to loosen the tissue of the flax fabric; the enzyme comprises fruit enzyme or/and vegetable enzyme;
(3) performing reactive dyeing;
(4) and (6) shaping.
Through adopting above-mentioned technical scheme, ferment with fruit or vegetables, form the ferment that has biological activity, utilize this ferment to carry out loose processing to linen fabric, can hydrolyze pectin and fatty wax, degradation lignin makes linen fabric more soft, and changing waste into valuables has practiced thrift the cost that non-cellulose got rid of, compares in traditional strong alkali and strong oxidizer's desizing and bleaching processing, more green. The method for degumming by using the biological enzyme ensures the rough style of flax fabrics, has strong nostalgic feeling, and is environment-friendly and antibacterial; the color fastness reaches the requirements of superior products, the staining of the six fibers after washing at 40 ℃ reaches the level 4, and the performance is excellent.
Preferably, in the step (2), the enzyme further comprises an antibacterial traditional Chinese medicine enzyme.
By adopting the technical scheme, as the enzyme with biological activity is adopted, in order to further improve the antibacterial performance of the fabric, if the conventional nano silver, nano zinc and the like are adopted, the harm to the biological activity is large, and the silver oxide material can coat the microorganisms to prevent the microorganisms from moving and rapidly die. According to the invention, the fabric is treated by the antibacterial traditional Chinese medicine enzyme, so that the microorganisms of the fruit enzyme and the vegetable enzyme are hardly damaged, and after the fabric is used, the microorganism group is found to be increased, the antibacterial group is increased, and the antibacterial property of the fabric is improved.
Preferably, the step (2) specifically comprises the following operations: adding ferment in an amount of 10-15g/L, soaking flax fabric in the ferment with the above concentration at 53-57 deg.C for 40-60min, and cooling to 38-43 deg.C.
Preferably, the cooling rate in the cooling process is 1.2-1.6 ℃/min.
By adopting the technical scheme, the pretreatment and the reactive dyeing of the enzyme on the linen fabric are carried out in one cylinder, and compared with a one-bath method which is carried out in two baths or even more baths, the one-bath method saves water and energy; the dyeing processing of the shell fabric in one vat is 60min faster than the traditional time, and the clear water is saved by about 12000L in 2 vats.
Preferably, in the step (1), after singeing, adding 10g/L of liquid caustic soda and 1-3g/L of refining agent, heating to 90-95 ℃, and treating for 30-50 min; the mass concentration of the liquid caustic soda is 40%.
By adopting the technical scheme, the flax fabric is deoiled, emulsified and refined.
Preferably, in the step (3), the dyeing time of the active dyeing is 50-60min, and the dyeing temperature is 60-80 ℃.
By adopting the technical scheme, the treatment temperature of the traditional alkali cooking process is about 98 ℃, and the reactive dyeing of the invention reduces the dyeing temperature and saves the energy consumption.
Preferably, the step (4) specifically comprises the following operations: keeping the speed at 45m/min and the setting temperature at 155-165 ℃, and treating the linen fabric by using a 20-40g/L film and a 20-40g/L hydrophilic softening agent to finally obtain the finished linen fabric.
By adopting the technical scheme, the dyed linen fabric is subjected to hydrophilic, antistatic, soft, rebound and other treatments, so that the hand feeling of the linen fabric is improved.
The second purpose of the invention is to provide a linen fabric processed by any one of the linen fabric one-bath dyeing processes.
The third objective of the present invention is to provide an application of the ferment in dyeing linen fabric, wherein the ferment is used in the one-bath dyeing process of linen fabric described in any of the above processes to dye linen fabric, so that the linen fabric is loose and soft.
By adopting the technical scheme, the enzyme is applied to the dyeing process of the linen fabric, the non-cellulose in linen tissue can be removed, the linen fabric is softer and fluffy, the hand feeling and the dyeing fastness of the linen fabric are improved, and the method is green and environment-friendly.
Preferably, the enzyme comprises one or more of fruit enzyme, vegetable enzyme and antibacterial traditional Chinese medicine enzyme.
In conclusion, the invention has the following beneficial effects:
(1) the flax fabric is degummed and loosened by using the enzyme with biological activity, so that the style of rough cloth cover is ensured, the nostalgic feeling is strong, and the environment-friendly antibacterial effect is realized; the effect of removing the colloid is good, so that the color fastness of the fabric is good, and the requirements of superior products are met;
(2) compared with strong alkali or strong oxidant desizing, the treated fabric has the advantages of being plump in hand feeling, natural and full in color, meeting the requirements of environmental protection and being good in color fastness;
(3) fruits, vegetables and antibacterial traditional Chinese medicinal materials are fermented and then applied to dyeing of linen fabrics, so that a new application of the enzyme is developed successfully, and the enzyme is green and environment-friendly;
(4) by adding the antibacterial traditional Chinese medicine enzyme, the antibacterial rate of the treated fabric is up to 99.8%, the antibacterial rate of the fabric after being washed for 10 times is still kept above 84%, and the antibacterial agent is superior to the antibacterial property of the fabric treated by the traditional process and has excellent antibacterial performance.
Drawings
FIG. 1 is a one-bath dyeing process flow chart of linen fabric.
Detailed Description
The present invention will be further described with reference to the following specific examples.
The types or brands and sources of the chemical additives are as follows: the reactive dye is selected from reactive dye series of Shanghai Bakken; refining agent, model TF-115 DA; film, model number ST-168; hydrophilic softener, model TF-406G. Besides the above listed models or brands, other models or brands can be used for each auxiliary agent, i.e. the selection of each auxiliary agent should not be limited to the above listed cases. The addition amount g/L of each auxiliary agent in the invention represents the addition weight of each liter of water.
Example 1
A linen fabric, which is obtained by dyeing through a one-bath dyeing process by using enzymes, as shown in fig. 1, the specific dyeing operation is as follows:
1. singeing
1.1, enabling the linen fabric to pass through a singeing machine in an open width mode at a speed of 80m/min, and simultaneously opening 4 fire holes in the singeing machine to carry out strong singeing; after singeing, extinguishing fire by using steam to prevent sparks from burning cloth;
1.2, washing off dust remained after singeing on the cloth by using clean water, adding 10g/L of liquid alkali and 1g/L of refining agent after washing, heating to 90 ℃ at the speed of 1.5 ℃/min, and carrying out refining treatment for 50 min; wherein the mass concentration of the liquid caustic soda is 40%;
2. fabric bulking treatment
Carrying out loosening treatment on the linen fabric by using fruit enzyme and vegetable enzyme, which specifically comprises the following steps: adding fruit ferment and vegetable ferment into the overflow tank according to the addition of 10g/L, wherein the weight ratio of the fruit ferment to the vegetable ferment is 1: 0.8; soaking flax fabric in the ferment with the above concentration for 60min at 53 deg.C; cooling to 38 deg.C at a rate of 1.2 deg.C/min; controlling the frequency conversion of a cloth guide wheel to be 25HZ, the frequency conversion of a main pump to be 75 percent and the spraying pressure to be 0.25 MPa;
the fruit enzyme is a commercially available finished product and is mainly processed by the following operations: slicing one or more fruits of mango, kiwi fruit, avocado, sweet orange, dragon fruit, jackfruit, olive, papaya, pineapple, arillus longan, guava, cherry, fig, candied date, lychee, waxberry, grape, cantaloupe, lemon, watermelon, apple, tomato, red date, pear, sweetsop, orange, hawthorn, grapefruit, persimmon, carambola, banana, mulberry, strawberry, coconut, pineapple honey, tangerine, kumquat, orange, avocado, persimmon, cantaloupe, muskmelon, melon, tomato, peach, sugarcane, passion fruit, black date, plum, pear, kiwi fruit, and japane fruit in a barrel, adding clear water and yeast powder into the barrel, and fruit: clear water: the weight ratio of the yeast powder is 500: 450: 1, and the distance of 20% of the barrel height between the apple and water and the top cover of the barrel is kept no matter the barrel is large or small; the barrel is sealed by a preservative film or a barrel cover, and in order to ensure the fermentation effect, a plurality of small holes can be formed in the barrel cover or the preservative film, so that the phenomenon that the carbon dioxide in the barrel is too large in the fermentation process and the fermentation lasts for 45 days is avoided; adding acetic acid bacteria accounting for 25 percent of the total weight of the fruit raw materials, and fermenting for 2 months; adding lactobacillus accounting for 25% of the total weight of the fruit raw materials, fermenting for 3 months, and taking liquid to obtain fruit ferment;
the vegetable enzyme is a commercially available finished product, and the raw materials of the vegetable enzyme comprise one or more of cucumber, pumpkin, mung bean sprout, cauliflower, water spinach, finger citron, chayote, Chinese cabbage, wax gourd, soybean, eggplant, carrot, balsam pear, pea, kelp, spinach, cabbage, beet root, white radish, sweet potato, celery, red bean, leek, laver, Chinese cabbage, towel gourd, okra, mung bean, jute, red phoenix vegetable, Korean vegetable, white phoenix vegetable, sweet wormwood, cucurbita, ginger, water caltrop, soybean sprout, Qingjiang vegetable, green pepper, sweet pepper, alfalfa sprout, cabbage, kidney bean, asparagus, turnip, broccoli, asparagus, black bean, taro, apricot, mustard, radish, rape, lotus root, lettuce, sweet potato leaf, burdock, small sweet potato, pachyrhizus and fruits, and the processing technology is the same as the fruit enzyme;
3. reactive dyeing
In the step 2, water in the overflow tank filled with the cooled linen fabric is not discharged, the reactive dye is directly added, the bath ratio is 1: 20, 1200m of cloth is placed in one tank, and the water amount is 19 tons; controlling the frequency conversion of a cloth guide wheel to be 25HZ, the frequency conversion of a main pump to be 65 percent, and the spray pressure to be 0.25MPa, and carrying out reactive dyeing, wherein the dyeing time is 50min, and the dyeing temperature is 80 ℃;
4. shaping
After the reactive dyeing in the step 3, treating the surface of the fabric, specifically: keeping the speed at 45m/min and the setting temperature at 155 ℃, and treating the linen fabric by using 20g/L of film and 20g/L of hydrophilic softening agent to finally obtain the finished linen fabric.
Example 2
The linen fabric is obtained by dyeing fruit ferment and vegetable ferment through a one-bath dyeing process, and the specific dyeing operation is as follows:
1. singeing
1.1, enabling the linen fabric to pass through a singeing machine in an open width mode at a speed of 80m/min, and simultaneously opening 4 fire holes in the singeing machine to carry out strong singeing; after singeing, extinguishing fire by using steam to prevent sparks from burning cloth;
1.2, washing off dust remained after singeing on the cloth by using clean water, adding 10g/L of liquid alkali and 1g/L of refining agent after washing, heating to 93 ℃ at the speed of 1.5 ℃/min, and carrying out refining treatment for 40 min; wherein the mass concentration of the liquid caustic soda is 40%;
2. fabric bulking treatment
Carrying out loosening treatment on the linen fabric by using fruit enzyme and vegetable enzyme, which specifically comprises the following steps: adding fruit ferment and vegetable ferment into the overflow tank according to the addition of 10g/L, wherein the weight ratio of the fruit ferment to the vegetable ferment is 1: 0.8; soaking flax fabric in the ferment with the concentration for 50min at 55 ℃; cooling to 40 deg.C at a rate of 1.4 deg.C/min; controlling the frequency conversion of a cloth guide wheel to be 25HZ, the frequency conversion of a main pump to be 75 percent and the spraying pressure to be 0.25 MPa; wherein the fruit ferment and the vegetable ferment have the same source in example 1;
3. reactive dyeing
In the step 2, water in the overflow tank filled with the cooled linen fabric is not discharged, the reactive dye is directly added, the bath ratio is 1: 20, 1100m of cloth is placed in one tank, and the water amount is 18 tons; controlling the frequency conversion of a cloth guide wheel to be 25HZ, the frequency conversion of a main pump to be 65 percent, and the spray pressure to be 0.25MPa, and carrying out reactive dyeing, wherein the dyeing time is 55min, and the dyeing temperature is 70 ℃;
4. shaping
After the reactive dyeing in the step 3, treating the surface of the fabric, specifically: keeping the speed at 45m/min and the setting temperature at 160 ℃, and treating the linen fabric by using 20g/L of film and 20g/L of hydrophilic softening agent to finally obtain the finished linen fabric.
Example 3
The linen fabric is obtained by dyeing fruit ferment and vegetable ferment through a one-bath dyeing process, and the specific dyeing operation is as follows:
1. singeing
1.1, enabling the linen fabric to pass through a singeing machine in an open width mode at a speed of 80m/min, and simultaneously opening 4 fire holes in the singeing machine to carry out strong singeing; after singeing, extinguishing fire by using steam to prevent sparks from burning cloth;
1.2, washing off dust remained after singeing on the cloth by using clean water, adding 10g/L of liquid alkali and 1g/L of refining agent after washing, heating to 95 ℃ at the speed of 1.5 ℃/min, and carrying out refining treatment for 30 min; wherein the mass concentration of the liquid caustic soda is 40%;
2. fabric bulking treatment
Carrying out loosening treatment on the linen fabric by using fruit enzyme and vegetable enzyme, which specifically comprises the following steps: adding fruit ferment and vegetable ferment into the overflow tank according to the addition of 10g/L, wherein the weight ratio of the fruit ferment to the vegetable ferment is 1: 0.8; soaking the linen fabric in the fruit enzyme and the vegetable enzyme with the concentrations for 40min at 57 ℃; cooling to 43 ℃ at the speed of 1.6 ℃/min; controlling the frequency conversion of a cloth guide wheel to be 25HZ, the frequency conversion of a main pump to be 75 percent and the spraying pressure to be 0.25 MPa; wherein, the fruit ferment and the vegetable ferment have the same source and composition as those in the embodiment 1;
3. reactive dyeing
In the step 2, water in the overflow tank filled with the cooled linen fabric is not discharged, the reactive dye is directly added, the bath ratio is 1: 20, 1300m of cloth is placed in one tank, and the water amount is 20 tons; controlling the frequency conversion of a cloth guide wheel to be 25HZ, the frequency conversion of a main pump to be 65 percent, and the spray pressure to be 0.25MPa, and carrying out reactive dyeing, wherein the dyeing time is 60min, and the dyeing temperature is 60 ℃;
4. shaping
After the reactive dyeing in the step 3, treating the surface of the fabric, specifically: keeping the speed at 45m/min and the setting temperature at 165 ℃, and treating the linen fabric by using 20g/L of film and 20g/L of hydrophilic softening agent to finally obtain the finished linen fabric.
Example 4
The difference between the dyeing process of the linen fabric in the embodiment 4 and the dyeing process of the linen fabric in the embodiment 2 is that the addition amount of the auxiliary agents in each step is different, and specifically the dyeing process comprises the following steps:
1. singeing
1.2, washing off dust remained after singeing on the cloth by using clean water, and adding 10g/L of liquid alkali and 2g/L of refining agent after washing;
2. fabric bulking treatment
Carrying out loosening treatment on the linen fabric by using fruit ferment, which specifically comprises the following steps: adding fruit ferment into the overflow tank according to the addition of 12g/L, and soaking the linen fabric in the ferment with the concentration; wherein the fruit ferment is from a commercial product and is the same as in example 1; 4. shaping
And (3) treating the linen fabric by using 25g/L of soft sheet and 25g/L of hydrophilic softening agent to finally obtain the finished linen fabric.
Example 5
The difference between the dyeing process of the linen fabric in example 5 and the dyeing process of the linen fabric in example 2 is that the addition amount of the auxiliary agents in each step is different, and specifically the dyeing process comprises the following steps:
1. singeing
1.2, washing off dust remained after singeing on the cloth by using clean water, and adding 10g/L of liquid alkali and 2.3g/L of refining agent after washing;
2. fabric bulking treatment
Carrying out loosening treatment on the linen fabric by using fruit ferment, which specifically comprises the following steps: adding enzyme into the overflow cylinder according to the addition of 13g/L, and soaking the linen fabric in the enzyme with the concentration;
4. shaping
And (3) treating the linen fabric by using a 30g/L soft sheet and a 30g/L hydrophilic softening agent to finally obtain a finished linen fabric.
Example 6
The difference between the dyeing process of the linen fabric in example 6 and the dyeing process of the linen fabric in example 2 is that the addition amount of the auxiliary agents in each step is different, and specifically the dyeing process comprises the following steps:
1. singeing
1.2, washing off dust remained after singeing on the cloth by using clean water, and adding 10g/L of liquid alkali and 2.5g/L of refining agent after washing;
2. fabric bulking treatment
Carrying out loosening treatment on the linen fabric by using fruit ferment, which specifically comprises the following steps: adding ferment into the overflow cylinder according to the addition of 14g/L, and soaking the linen fabric in the ferment with the concentration;
4. shaping
And (3) treating the linen fabric by using 35g/L of soft sheet and 35g/L of hydrophilic softening agent to finally obtain the finished linen fabric.
Example 7
The difference between the dyeing process of the linen fabric in example 7 and the dyeing process of the linen fabric in example 2 is that the addition amount of the auxiliary agents in each step is different, and specifically the dyeing process comprises the following steps:
1. singeing
1.2, washing off dust remained after singeing on the cloth by using clean water, and adding 10g/L of liquid alkali and 3g/L of refining agent after washing;
2. fabric bulking treatment
Carrying out loosening treatment on the linen fabric by using fruit ferment, which specifically comprises the following steps: adding ferment into the overflow cylinder according to the addition of 15g/L, and soaking the linen fabric in the ferment with the concentration;
4. shaping
And (3) treating the linen fabric by using a 40g/L soft sheet and a 40g/L hydrophilic softening agent to finally obtain a finished linen fabric.
Example 8
The difference between embodiment 8 and embodiment 4 is that the ferment further includes an antibacterial traditional Chinese medicine ferment, the weight ratio of the antibacterial traditional Chinese medicine ferment to the fruit ferment is 0.4: 1, the antibacterial traditional Chinese medicine ferment is a commercially available finished product, the raw materials of the antibacterial traditional Chinese medicine ferment include one or more of rheum officinale, sophora flavescens, forsythia, coptis chinensis, radix rehmanniae and rhizoma anemarrhenae, and the processing technology is the same as that of the fruit ferment.
Example 9
The difference between example 9 and example 8 is that the weight ratio of the antibacterial traditional Chinese medicine ferment and the fruit ferment is 0.6: 1, and the rest is the same as example 8.
Example 10
The difference between example 10 and example 8 is that the weight ratio of the antibacterial traditional Chinese medicine ferment and the fruit ferment is 1: 1, and the rest is the same as example 8.
Example 11
Example 11 is different from example 1 in that the weight ratio of the fruit ferment to the vegetable ferment is 1: 0.5, and the rest is the same as example 1.
Comparative example 1
The difference between the dyeing process of the linen fabric in the comparative example 1 and the dyeing process in the example 1 is that in the step 2, the linen fabric is soaked by adopting cellulase, and the use amount, the control parameters and the operation steps of the other auxiliary agents are consistent with those in the example 1.
Comparative example 2
The difference between the dyeing process of the linen fabric of the comparative example 2 and the example 1 is that the specific operation of the step 2 is as follows: adding desizing liquid to desize, wherein the desizing liquid comprises 15g/L of sodium hydroxide, 5g/L of fatty alcohol-polyoxyethylene ether and water, the water-bath ratio is 1: 50, the desizing temperature is 100 ℃, and the time is 40 min; the rest is the same as in example 1.
Performance testing
Blank example
Raw linen yarn without the dyeing process of the invention.
Performance detection
Detecting the chemical components of the blank flax yarns by using FZ/T30001-1992 quantitative analysis method of the main chemical component system of ramie; the chemical component content of the linen fabrics treated by the steps 1 and 2 of the examples 1-11 and the comparative examples 1-2 was measured, and the specific results are shown in table 1.
Table 1 table of chemical compositions in different yarns and linen
| Pectin/%) | Cellulose/% | Lignin/% of | Waxy/percent of fat | |
| Blank example | 1.6 | 84.4 | 5.0 | 1.8 |
| Example 1 | 0.5 | 97.6 | 0.5 | 0.1 |
| Example 2 | 0.3 | 97.8 | 0.3 | 0.1 |
| Example 3 | 0.4 | 97.7 | 0.4 | 0.1 |
| Example 4 | 0.3 | 98.0 | 0.3 | 0.1 |
| Example 5 | 0.4 | 97.7 | 0.4 | 0.1 |
| Example 6 | 0.4 | 97.9 | 0.3 | 0.1 |
| Example 7 | 0.3 | 97.8 | 0.3 | 0.1 |
| Example 8 | 0.4 | 97.9 | 0.4 | 0.1 |
| Example 9 | 0.4 | 97.7 | 0.4 | 0.1 |
| Example 10 | 0.3 | 97.9 | 0.3 | 0.1 |
| Example 11 | 0.4 | 97.6 | 0.4 | 0.1 |
| Comparative example 1 | 0.5 | 96.2 | 0.5 | 0.2 |
| Comparative example 2 | 0.5 | 96.5 | 0.6 | 0.1 |
The results of table 1 show that the flax fabrics treated with the ferment of the present invention have reduced pectin, lignin and fatty wax content compared to the blank examples, and the main reason for this is that the ferment of the present invention can degrade lignin and hydrolyze pectin and fatty wax. The detection results of the comparative example 1 and the comparative example 2 show that fruits and vegetables are naturally fermented to generate the ferment with biological activity, the effect of the enzyme for degumming the linen fabric is equivalent to that of desizing by using strong alkali or strong oxidant, and the enzyme replaces the strong alkali or strong oxidant and is more environment-friendly.
The linen fabrics of examples 1-11 and comparative examples 1-2 were tested as follows:
testing the fastness to soaping and rubbing according to GB/T3921-2008 soaping-resistant color fastness of textile color fastness test and GB/T3920-2008 rubbing-resistant color fastness of textile color fastness test; and B/T20944.3-2008 < evaluation of antibacterial performance of textiles part 3: carrying out quantitative test on the bacteriostasis rate by an oscillation method, and testing the bacteriostasis rate of the linen fabric after being washed for 10 times by adopting a washing method of a washing fastness tester; detecting the tearing performance by GB/T3917.1; the fracture strength was tested using GB/T3923.1. The results of the tests of examples 1 to 7 are shown in Table 2, and the results of the tests of examples 8 to 11 and comparative examples 1 to 2 are shown in Table 3.
Table 2 results of testing linen fabrics of examples 1-7
Table 3 test results of linen fabrics of examples 8-11 and comparative examples 1-2
As can be seen from tables 2 and 3, in the dyeing process of the present invention, the enzyme is used for degumming and loosening treatment, so that the fabric is more fluffy and softer; due to the adoption of the biological active enzyme for treatment, the damage of degumming by using cellulase to the flax fabric in the traditional process is overcome, cilia do not fall off, the cilia fall off seriously in the process adopting the cellulase in the comparative example 1, and the breaking strength and the tearing strength of the fabric are both reduced. The color fastness of the flax fabric obtained by the treatment of the invention meets the requirements of superior products, and the six-fiber staining at 40 ℃ reaches the level 4 and is not easy to stain. Comparing the antibacterial performance of the fabrics in examples 8-10 and examples 1-7, it can be seen that the antibacterial performance of the fabric can be further improved by adding the antibacterial traditional Chinese medicine enzyme, the antibacterial rate can reach 99.8% at most, the antibacterial rate can be maintained above 84% after 10 times of washing, and the antibacterial performance of the fabric is superior to that of the fabric treated by the traditional process and the antibacterial performance of the fabric is excellent. Compared with the comparative example 2 and the example 1, the fabric obtained by the process has basically the same performance as the fabric obtained by desizing with strong alkali or strong oxidizer, even better than the traditional process, meets the requirement of more environmental protection on the basis of process production.
The above-mentioned embodiments are merely illustrative and not restrictive, and those skilled in the art can modify the embodiments without inventive contribution as required after reading this specification, but only fall within the scope of the claims of the present invention.
Claims (10)
1. The one-bath dyeing process of the linen fabric is characterized by comprising the following processing steps:
(1) singeing;
(2) and (3) fabric loosening treatment: soaking flax fabric with enzyme for 40-60min to loosen the tissue of the flax fabric; the enzyme comprises fruit enzyme or/and vegetable enzyme;
(3) performing reactive dyeing;
(4) and (6) shaping.
2. The one-bath dyeing process for linen fabric according to claim 1, wherein said ferment further comprises an antibacterial traditional Chinese medicine ferment.
3. The linen fabric one-bath dyeing process according to claim 1, wherein the step (2) specifically comprises the following operations: adding ferment in an amount of 10-15g/L, soaking flax fabric in the ferment with the above concentration at 53-57 deg.C for 40-60min, and cooling to 38-43 deg.C.
4. The linen fabric one-bath dyeing process according to claim 3, characterized in that: the cooling rate in the cooling process is 1.2-1.6 ℃/min.
5. The linen fabric one-bath dyeing process according to claim 1, wherein in the step (1), after singeing, 10g/L of liquid alkali and 1-3g/L of refining agent are added, the temperature is raised to 90-95 ℃, and the treatment is carried out for 30-50 min; the mass concentration of the liquid caustic soda is 40%.
6. The linen fabric one-bath dyeing process according to claim 1, characterized in that: in the step (3), the dyeing time of the active dyeing is 50-60min, and the dyeing temperature is 60-80 ℃.
7. The linen fabric one-bath dyeing process according to claim 1, wherein the step (4) specifically comprises the following operations: keeping the speed at 45m/min and the setting temperature at 155-165 ℃, and treating the linen fabric by using a 20-40g/L film and a 20-40g/L hydrophilic softening agent to finally obtain the finished linen fabric.
8. A linen fabric processed by the one-bath dyeing process of linen fabric as claimed in any of claims 1-7.
9. The application of the ferment in dyeing flax fabrics is characterized in that: dyeing linen fabric by using the one-bath dyeing process of linen fabric according to any one of claims 1-7 with enzyme to make the fabric loose and soft.
10. Use of the ferment according to claim 9, in the dyeing of linen, characterized in that: the ferment comprises one or more of fruit ferment, vegetable ferment and antibacterial traditional Chinese medicine ferment.
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