CN109930392B - Preparation method of washable long-acting cool cotton-containing knitted fabric - Google Patents
Preparation method of washable long-acting cool cotton-containing knitted fabric Download PDFInfo
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Abstract
The invention relates to a preparation method of a washable long-acting cool cotton-containing knitted fabric, which comprises the following steps: the cotton-containing knitted grey fabric is sequentially subjected to scouring and bleaching pretreatment, cellulase dehairing and dyeing one-bath processing, dewatering, scutching, drying, hydrophilic cool processing and long-acting cool printing to obtain the washable long-acting cool cotton-containing knitted fabric. The cotton-containing knitted fabric prepared by the invention has good household washing resistance, long-acting and lasting cooling effect, and is cool and comfortable when worn by a human body in summer.
Description
Technical Field
The invention belongs to the field of cool fabrics, and particularly relates to a preparation method of a washable long-acting cool cotton-containing knitted fabric.
Background
With the enhancement of greenhouse effect, people urgently need to wear clothes with cooling function in hot summer, the utilization rate of an air conditioner in a high-temperature environment is reduced, a low-carbon call is responded, and the earth is protected. The cotton-containing knitted garment has excellent skin-friendly comfort and environmental-friendly sanitation, and is popular with consumers. However, the cotton knitted fabric has more hairiness on the surface and poor quick drying property after moisture absorption, so that the cotton knitted fabric has poor cooling property and is easy to generate stuffy feeling when worn in summer, thereby influencing the serviceability in summer. In order to obtain the cotton-containing knitted fabric which is cool and comfortable to wear in summer, the cotton-containing knitted fabric is mainly blended with cooling chemical fibers, but the cooling effect of the cotton-containing knitted fabric is reduced by blending with the cooling chemical fibers. The cooling processing of the cotton-containing knitted fabric also comprises a scheme for realizing the cooling processing by performing cellulase dehairing, mercerizing or cooling auxiliary agent finishing on the cotton-containing knitted fabric, but the scheme mainly realizes the instant cooling of the cotton-containing knitted fabric and is difficult to realize the cooling effect of long-time wearing; and the obtained cotton-containing knitted fabric has poor washability with a cooling effect.
In patent CN103603155B, "a processing method of pure cotton cool knitted fabric", it is proposed that a high-twist cotton yarn knitted fabric is padded with a hydrophilic softening agent and a cool finishing agent xylitol to realize instant cool feeling and long-term cool feeling of cotton fabric, the scheme has an effect of improving the instant cool feeling of cotton fabric, but is difficult to obtain long-term cool feeling effect when worn, because the cotton fabric is swelled by nearly 20% after absorbing water to cause capillary channel blockage, sweat is difficult to be discharged quickly, so that xylitol absorbing heat when meeting water is difficult to continuously exert cool feeling effect, and long-term cool feeling effect cannot be obtained.
In patent CN105734963A, "cotton-containing knitted fabric with silk-like luster, hand feeling and cool feeling and its manufacturing method", although the improvement of silicone oil after-finishing liquid is realized by compounding resin, amino silicone oil and modified silicone oil, the washability of cotton fabric stiff and smooth and bone feeling style is enhanced, but the washability of cool effect is not related.
The existing method for cooling cotton-containing knitted fabrics adopts a mode of combining wool and a cool feeling auxiliary agent, so that the instant cool feeling of the cotton-containing knitted fabrics is realized, but the cool feeling effect is poor in household washing resistance. Meanwhile, the research on realizing the long-acting cooling effect of the cotton-containing knitted fabric is less at present.
Disclosure of Invention
The invention aims to solve the technical problem of providing a preparation method of a washable long-acting cool cotton-containing knitted fabric which has good household washing resistance, long-acting and long-lasting cooling effect and is cool and comfortable when a human body wears in summer.
The invention provides a method for preparing washable long-acting cool cotton-containing knitted fabric, which comprises the following steps:
sequentially carrying out scouring and bleaching pretreatment on the cotton-containing knitted grey fabric, carrying out cellulase hair removal and dyeing one-bath processing, dehydrating, scutching, drying, hydrophilic cool processing and long-acting cool printing to obtain the washable long-acting cool cotton-containing knitted fabric; wherein the content of the first and second substances,
the processing liquid adopted by the hydrophilic cool feeling processing comprises 30-100 g/L of hydrophilic soft finishing agent, 10-40 g/L of hydrophilic cool feeling processing finishing liquid and 5-10 g/L of cool feeling cross-linking agent;
the long-acting cool printing is as follows: and (3) adopting a hydrophobic agent to carry out discontinuous single-sided hydrophobic printing on the close-fitting surface of the fabric.
The cotton-containing knitted grey fabric is combed all-cotton knitted grey fabric, mercerized all-cotton knitted grey fabric, cotton-ammonia blended knitted grey fabric or cotton/viscose blended knitted grey fabric; the cotton content of the grey cloth is more than 50 percent, and the gram weight is 100g/m2～250g/m2(ii) a The weave structure is single-face single jersey, rib cloth or double-face cloth.
The process conditions of the refining bleaching pretreatment are as follows: the dipping method comprises the steps of controlling the bath ratio to be 1: 5-20, adding 2-5 g/L scouring enzyme, 6-12 g/L hydrogen peroxide and 0.5-4 g/L three-in-one scouring agent, treating at the temperature of 98-105 ℃ for 30-45 min. After the process, the hydrophilicity of the cotton-containing knitted fabric is improved, and the glossiness is improved.
The cellulase hair removal and dyeing one-bath processing process conditions are as follows: the dipping method comprises the steps of controlling the bath ratio to be 1: 5-10, controlling the pH value to be 6.5-7.5, adding 0.3-1.5% o.w.f. of neutral cellulase, and keeping the temperature at 50-55 ℃ for 30-80 min. The cloth cutting sample is used for seeing the hair removing effect, short and small fluff on the cloth surface is required to be less after the hair is removed, and after the required hair removing effect is achieved, alkali is added for color fixation, and meanwhile, the effect of inactivating neutral cellulase is achieved.
And after the grey cloth processed by the cellulose dehairing and dyeing one-bath process is subjected to alkali-added color fixation enzyme inactivation, washing the grey cloth out of a cylinder, scutching, shaping and drying, wherein the drying temperature is 120-170 ℃, and the vehicle speed is 18-25 m/min.
The hydrophilic soft finishing agent is hydrophilic cool silicone oil; the hydrophilic cool feeling processing finishing liquid is microcapsule type xylitol finishing liquid; the cool cross-linking agent is hydrophilic reactive polysiloxane, and can rapidly absorb moisture in the air.
The processing conditions of the hydrophilic cool feeling are as follows: the liquid carrying rate of the fabric is controlled to be 80-100%, the drying temperature of the setting machine is controlled to be 80-140 ℃, and the vehicle speed is 18-30 m/min.
The printing slurry comprises 5-8% of a fluorine-free waterproof agent, 1-3% of a cross-linking agent, 2-5% of a thickening agent and the balance of water; the viscosity of the slurry is 11000-15000 cps.
The printing process conditions are as follows: drying at 100-120 ℃, wherein the speed of the drying is 18-30 m/min, the temperature of the drying is 140-150 ℃, and the speed of the drying is 20-30 m/min.
In order to enhance the washing fastness of the cool effect, the invention is realized by adding a cool cross-linking agent. The cool cross-linking agent not only contains a group capable of reacting with cotton fiber, but also contains hydrophilic groups which can easily absorb air or water vapor emitted by a body. Through a mode of after-finishing and high-temperature drying, a soft and smooth hydrophilic film can be formed on the surface of the fabric, and the household washing resistance of the cooling effect of the cotton-containing knitted fabric is enhanced.
In order to achieve long-lasting cooling effect while wearing, the present invention is achieved by increasing the speed of the combination/volatilization of xylitol with water on cotton fabric. Namely, padding xylitol/hydrophilic cool silicone oil afterfinish liquid, and printing an intermittent hydrophobic pattern on the next-to-skin surface (as shown by a shaded part in figure 1). The area of the hydrophilic part is larger than that of the hydrophobic part, a horn-shaped moisture transmission micro-channel is formed between the hydrophilic part of the close-fitting surface and the front surface, swelling of cotton fibers is reduced, continuous combination/volatilization speed of sweat and water vapor emitted by a human body and a fabric xylitol cool feeling auxiliary agent is increased, in the continuous rapid moisture absorption and release process, the sweat absorbs heat when meeting xylitol, and the cool effect is long-acting and lasting.
Advantageous effects
(1) In order to save energy and reduce emission, the invention selects a one-bath processing scheme of hair removal and dyeing. Because the wool removing process can affect the strength of the cotton-containing knitted fabric sample, neutral cellulase is selected to reduce the damage of the cotton-containing knitted fabric sample. After the cotton-containing knitted fabric is subjected to cellulase hair feeding, the surface hairiness is greatly reduced, meanwhile, the internal hairiness amount of fiber bundles is also obviously reduced, the circulation between the interior of the cotton-containing knitted fabric and the outside air is greatly improved, and the cool air permeability is improved; through the hair removal processing, the water absorption diffusion speed of the cotton-containing knitted fabric is accelerated.
(2) In the hydrophilic cool feeling processing stage, the hydrophilic cool feeling processing agent xylitol which absorbs heat when meeting water is added into the post-sizing finishing liquid, so that the moisture and sweat emitted by a human body can be absorbed quickly, and the heat of the human body can be absorbed. In order to improve the washability of the cool effect, the prior functional after-finishing mainly adopts crosslinking agents such as acrylic acid esters and isocyanate crosslinking agents, and the auxiliary agents can cause the cool effect to be reduced; according to the invention, the cool cross-linking agent is added into the hydrophilic cool feeling processing liquid, so that the synergistic cool feeling effect is realized with the hydrophilic soft finishing agent and the hydrophilic cool feeling processing agent, and the washability of the cool feeling effect is enhanced.
(3) In the long-acting cool printing stage, the close-fitted surface of the fabric is subjected to discontinuous hydrophobic printing by the hydrophobic agent, and sweat is quickly conducted from the close-fitted surface to the front surface by utilizing a differential capillary effect and a wetting gradient effect, so that heat and water vapor generated by human metabolism are quickly diffused/evaporated into the atmosphere; the cool feeling effect is enhanced, the body is not stuck, the cool effect is long-lasting, and the microenvironment on the surface of the human body is continuously in a low-temperature state.
Drawings
FIG. 1 is a front view of a reverse hydrophobic printed pattern;
figure 2 is a cross-sectional view of the reverse hydrophobic printed pattern.
Detailed Description
The invention will be further illustrated with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and such equivalents may fall within the scope of the present invention as defined in the appended claims.
Example 1
Taking single-sided single jersey with yarn count of 60 cotton combed and 20D spandex (97%/3%), and gram weight of 120g/m2The specific processing process of the grey cloth is as follows:
1. combing 60 pieces of all cotton and 20D spandex (97%/3%) with a single-sided undershirt cloth with a gram weight of 120g/m2The grey cloth is pre-shaped at high temperature, the shaping temperature is controlled to be 195 ℃, and the speed is 30 m/min;
2. carrying out scouring and bleaching pretreatment on 60-count all-cotton combed and 20D spandex (97%/3%) single-sided single jersey gray fabric, processing in an overflow cylinder, wherein the bath ratio is 1:6, the scouring enzyme is 3g/L, the three-in-one scouring agent is 0.5g/L, the hydrogen peroxide is 6g/L, the treatment temperature is controlled at 95 ℃, and the heat preservation time is 45 min; and after the heat preservation is finished, cooling, draining liquid and washing, adding acetic acid to neutralize alkali liquor remained on the surface of the fabric, and washing until the pH value of the fabric surface is neutral.
2. The hair removal processing adopts neutral cellulase K750 of Shanghai Kangdien biological technology limited company, and dyeing adopts conventional reactive dye. The bath ratio is 1:6, pH value is 7.0-7.5, neutral cellulase is 0.5% o.w.f, the corresponding amount of reactive dye is given to the color, the treatment temperature is controlled to be 55 ℃, the heat preservation time is 60min, soda is added for fixation, and the mixture is washed out of the vat.
3. Scutching and drying, wherein the selected setting machine is provided with 10 sections of drying ovens, the drying temperature is controlled to be 120 ℃, and the speed is 25 m/min.
4. And (4) after drying, padding the fabric with a hydrophilic cool finishing agent. 100g/L of hydrophilic cool silicone oil, 10g/L of cool cross-linking agent and 30g/L of microcapsule type xylitol finishing liquid are uniformly mixed and stirred to form the after-sizing finishing liquid. The pressure of the padder of the setting machine is 3.4kg, the drying temperature is 140 ℃, and the speed is 30 m/min.
5. And (5) printing the shaped fabric. The printing slurry is prepared from 5% of fluorine-free hydrophobic agent, 1.2% of cross-linking agent, 3% of thickening agent and the balance of water, and the viscosity of the slurry is 11000 cps. A135-mesh printing plate is adopted, a waterproof agent is printed by scraping, the pulp feeding amount is 100 percent, the pattern printing of the 'inscribed circle-circumscribed square middle part' is carried out on the reverse side of the cloth sample, the drying temperature is 120 ℃, and the vehicle speed is 20 m/min. The baking temperature is 150 ℃, and the vehicle speed is 30 m/min. The printed part of the next-to-skin surface of the cloth sample is water repellent, and the non-printed part and the front surface of the next-to-skin surface are instantly absorbed by dripping water.
Example 2
Taking 60 pieces of all-cotton combed and 20D spandex (97%/3%) single-sided single jersey, and the gram weight is 120g/m2The specific processing process of the grey cloth is as follows:
1. combing 60 pieces of all cotton and 20D spandex (97%/3%) with a single-sided undershirt cloth with a gram weight of 120g/m2The grey cloth is pre-shaped at high temperature, the shaping temperature is controlled to be 195 ℃, and the speed is 30 m/min;
2. carrying out scouring and bleaching pretreatment on 60-count all-cotton combed and 20D spandex (97%/3%) single-sided single jersey gray fabric, processing in an overflow cylinder, wherein the bath ratio is 1:6, the scouring enzyme is 3g/L, the three-in-one scouring agent is 0.5g/L, the hydrogen peroxide is 9g/L, the treatment temperature is controlled to be 105 ℃, and the heat preservation time is 30 min; after the heat preservation is finished, cooling, draining liquid and washing with water, adding acetic acid to neutralize the cloth cover alkali liquor, and washing with water until the pH value of the cloth cover is neutral;
3. the hair removing processing adopts neutral cellulase, and the dyeing adopts conventional active dye. The bath ratio is 1:6, controlling the pH value to be 7.0, setting the amount of reactive dye with neutral cellulase 0.3% owf and corresponding color, controlling the treatment temperature to be 55 ℃, keeping the temperature for 60min, adding alkali for fixation, and washing out of the vat;
4. scutching and drying, wherein the selected setting machine is a 10-section drying oven, the drying temperature is controlled to be 120 ℃, and the speed is 25 m/min;
5. and (4) padding the dried fabric with a hydrophilic cool finishing agent. 80g/L of hydrophilic cool silicone oil and 5g/L of microcapsule type xylitol finishing liquid are uniformly mixed and stirred to form the after-sizing finishing liquid. Setting the padder pressure of the setting machine to be 3.4kg, the drying temperature to be 120 ℃ and the vehicle speed to be 25 m/min;
6. and (5) printing the shaped fabric. The printing slurry is prepared by 5 percent of fluorine-free hydrophobic agent, 1.2 percent of cross-linking agent, 3 percent of thickening agent and the balance of water, and the viscosity of the slurry is 11000 cps. A135-mesh printing plate is adopted, a waterproof agent is printed by scraping, the pulp feeding amount is 100%, the pattern printing of the middle part of a square and an inscribed circle is carried out on the reverse side of a cloth sample, the drying temperature is 120 ℃, and the vehicle speed is 20 m/min. The baking temperature is 150 ℃, and the vehicle speed is 30 m/min.
Example 3
Taking 20 pieces of all-cotton combed single-sided single jersey (60%/40%) with a gram weight of 120g/m2The specific processing process of the grey cloth is as follows:
1. combing 20 pieces of cotton and viscose (60%/40%) with a gram weight of 120g/m2The grey cloth is processed in an overflow cylinder, the bath ratio is 1:6, the scouring enzyme is 3g/L, the three-in-one scouring agent is 0.5g/L, the hydrogen peroxide is 9g/L, the treatment temperature is controlled to be 105 ℃, and the heat preservation time is 30 min; after the heat preservation is finished, cooling, draining liquid and washing with water, adding acid for neutralization, and washing with water until the pH value of the cloth surface is neutral;
2. in order to save energy and reduce cost, a dyeing and hair removing one-bath processing mode is selected. The hair removing processing adopts neutral cellulase, and the dyeing adopts conventional active dye. The bath ratio is 1:6, controlling the pH value to be 7.0, setting the amount of reactive dye with neutral cellulase 0.3% owf and corresponding color, controlling the treatment temperature to be 55 ℃, keeping the temperature for 60min, adding alkali for fixation, and washing out of the vat;
3. scutching and drying, wherein the selected setting machine is a 10-section drying oven, the drying temperature is controlled to be 120 ℃, and the speed is 25 m/min;
4. and (4) padding the dried fabric with a hydrophilic cool finishing agent. 80g/L of hydrophilic cool silicone oil, 10g/L of cool cross-linking agent and 5g/L of microcapsule type xylitol finishing liquid are uniformly mixed and stirred to form the after-sizing finishing liquid. Setting the padder pressure of the setting machine to be 3.4kg, the drying temperature to be 120 ℃ and the vehicle speed to be 25 m/min;
5. and (5) printing the shaped fabric. The printing slurry is prepared by 5 percent of fluorine-free hydrophobic agent, 1.2 percent of cross-linking agent, 3 percent of thickening agent and the balance of water, and the viscosity of the slurry is 11000 cps. A135-mesh printing plate is adopted, a waterproof agent is printed by scraping, the pulp feeding amount is 100%, the pattern printing of the middle part of a square and an inscribed circle is carried out on the reverse side of a cloth sample, the drying temperature is 120 ℃, and the vehicle speed is 20 m/min. The baking temperature is 150 ℃, and the vehicle speed is 30 m/min.
Example 4
Taking 40 pieces of all-cotton combed rib fabric with the gram weight of 250g/m2The specific processing process of the grey cloth is as follows:
1. combing 40 count all cotton rib fabric with a gram weight of 250g/m2The grey cloth is pre-shaped at high temperature, the shaping temperature is controlled to be 195 ℃, and the speed is 30 m/min;
2. combing 40 count all cotton rib fabric with a gram weight of 250g/m2The grey cloth is processed in an overflow cylinder, the bath ratio is 1:6, the scouring enzyme is 3g/L, the three-in-one scouring agent is 0.5g/L, the hydrogen peroxide is 9g/L, the treatment temperature is controlled to be 105 ℃, and the heat preservation time is 30 min; after the heat preservation is finished, cooling, draining liquid and washing with water, adding acid for neutralization, and washing with water until the pH value of the cloth surface is neutral;
3. in order to save energy and reduce cost, a dyeing and hair removing one-bath processing mode is selected. The hair removing processing adopts neutral cellulase, and the dyeing adopts conventional active dye. The bath ratio is 1:6, controlling the pH value to be 7.0, setting the amount of reactive dye with neutral cellulase 0.3% owf and corresponding color, controlling the treatment temperature to be 55 ℃, keeping the temperature for 60min, adding alkali for fixation, and washing out of the vat;
4. scutching and drying, wherein the selected setting machine is a 10-section drying oven, the drying temperature is controlled to be 120 ℃, and the speed is 18 m/min;
5. and (4) padding the dried fabric with a hydrophilic cool finishing agent. 80g/L of hydrophilic cool silicone oil, 10g/L of cool cross-linking agent and 5g/L of microcapsule type xylitol finishing liquid are uniformly mixed and stirred to form the after-sizing finishing liquid. Setting the padder pressure of the setting machine to be 3.4kg, the drying temperature to be 120 ℃ and the vehicle speed to be 18 m/min;
6. and (5) printing the shaped fabric. The printing slurry is prepared by 5 percent of fluorine-free hydrophobic agent, 1.2 percent of cross-linking agent, 3 percent of thickening agent and the balance of water, and the viscosity of the slurry is 11000 cps. A135-mesh printing plate is adopted, a waterproof agent is printed by scraping, the pulp feeding amount is 100%, the pattern printing of the middle part of a square and an inscribed circle is carried out on the reverse side of a cloth sample, the drying temperature is 120 ℃, and the vehicle speed is 20 m/min. The baking temperature is 150 ℃, and the vehicle speed is 20 m/min.
Example 5
Taking 40 pieces of all-cotton combed single-sided single jersey with the gram weight of 150g/m2The specific processing process of the grey cloth is as follows:
1. combing 40 count all cotton single-sided single jersey with the gram weight of 150g/m2The grey cloth is processed in an overflow cylinder, the bath ratio is 1:6, the scouring enzyme is 3g/L, the three-in-one scouring agent is 0.5g/L, the hydrogen peroxide is 9g/L, the treatment temperature is controlled to be 105 ℃, and the heat preservation time is 30 min; after the heat preservation is finished, cooling, draining liquid and washing with water, adding acid for neutralization, and washing with water until the pH value of the cloth surface is neutral;
2. in order to save energy and reduce cost, a dyeing and hair removing one-bath processing mode is selected. The hair removing processing adopts neutral cellulase, and the dyeing adopts conventional active dye. The bath ratio is 1:6, controlling the pH value to be 7.0, setting the amount of reactive dye with neutral cellulase 0.3% owf and corresponding color, controlling the treatment temperature to be 55 ℃, keeping the temperature for 60min, adding alkali for fixation, and washing out of the vat;
3. scutching and drying, wherein the selected setting machine is a 10-section drying oven, the drying temperature is controlled to be 120 ℃, and the speed is 25 m/min;
4. and (4) padding the dried fabric with a hydrophilic cool finishing agent. 80g/L of hydrophilic cool silicone oil, 10g/L of cool cross-linking agent and 5g/L of microcapsule type xylitol finishing liquid are uniformly mixed and stirred to form the after-sizing finishing liquid. Setting the padder pressure of the setting machine to be 3.4kg, the drying temperature to be 120 ℃ and the vehicle speed to be 25 m/min;
5. and (5) printing the shaped fabric. The printing slurry is prepared by 5 percent of fluorine-free hydrophobic agent, 1.2 percent of cross-linking agent, 3 percent of thickening agent and the balance of water, and the viscosity of the slurry is 11000 cps. A135-mesh printing plate is adopted, a waterproof agent is printed by scraping, the pulp feeding amount is 100%, the pattern printing of the middle part of a square and an inscribed circle is carried out on the reverse side of a cloth sample, the drying temperature is 120 ℃, and the vehicle speed is 20 m/min. The baking temperature is 150 ℃, and the vehicle speed is 25 m/min.
Test results
Remarking: qmax value: testing the skin-contacting noodles at 20 deg.C
From the above example data, it can be derived: the original skin-friendly and soft performance of the cotton-containing knitted fabric is maintained, and the instant cool feeling and the long-acting cool effect of family washing resistance are obtained. The instant cool feeling Qmax value after 20 times of water washing of example 2 is the smallest, which shows that the washfastness of the cool feeling finishing liquid is obviously improved after the cool feeling finishing liquid is improved. By forming the moisture transmission channel of the horn-shaped gradient capillary, water molecules are quickly absorbed into the fiber core and compressed to the outer surface layer of the fabric, and the fabric has the advantages of keeping the cotton-containing knitted fabric cool, light, thin and breathable and being comfortable to wear.
Claims (7)
1. A method for preparing washable long-acting cool cotton-containing knitted fabric comprises the following steps:
sequentially carrying out scouring and bleaching pretreatment on the cotton-containing knitted grey fabric, carrying out cellulase hair removal and dyeing one-bath processing, dehydrating, scutching, drying, hydrophilic cool processing and long-acting cool printing to obtain the washable long-acting cool cotton-containing knitted fabric; wherein the content of the first and second substances,
the processing liquid adopted by the hydrophilic cool feeling processing comprises 30-100 g/L of hydrophilic soft finishing agent, 10-40 g/L of hydrophilic cool feeling processing finishing liquid and 5-10 g/L of cool feeling cross-linking agent; the hydrophilic soft finishing agent is hydrophilic smooth cool silicone oil; the hydrophilic cool feeling processing finishing liquid is microcapsule type xylitol finishing liquid; the cool-feeling cross-linking agent is hydrophilic reactive polysiloxane;
the long-acting cool printing is as follows: and (3) adopting a hydrophobic agent to carry out single-side discontinuous hydrophobic printing on the close-fitting surface of the fabric.
2. The method for preparing a washable, long-lasting, cool cotton-containing knitted fabric according to claim 1, wherein the method comprises the following steps: the cotton-containing knitted grey fabric is combed all-cotton knitted grey fabric, mercerized all-cotton knitted grey fabric, cotton-ammonia blended knitted grey fabric or cotton/viscose blended knitted grey fabric(ii) a The cotton content of the grey cloth is more than 50 percent, and the gram weight is 100g/m2～250g/m2(ii) a The weave structure is single-face single jersey, rib cloth or double-face cloth.
3. The method for preparing a washable, long-lasting, cool cotton-containing knitted fabric according to claim 1, wherein the method comprises the following steps: the process conditions of the refining bleaching pretreatment are as follows: the dipping method comprises the steps of controlling the bath ratio to be 1: 5-20, adding 2-5 g/L scouring enzyme, 6-12 g/L hydrogen peroxide and 0.5-4 g/L three-in-one scouring agent, treating at the temperature of 98-105 ℃ for 30-45 min.
4. The method for preparing a washable, long-lasting, cool cotton-containing knitted fabric according to claim 1, wherein the method comprises the following steps: the cellulase hair removal and dyeing one-bath processing process conditions are as follows: the dipping method comprises the steps of controlling the bath ratio to be 1: 5-10, controlling the pH value to be 6.5-7.5, adding 0.3-1.5% owf of neutral cellulase, and keeping the temperature at 50-55 ℃ for 30-80 min.
5. The method for preparing a washable, long-lasting, cool cotton-containing knitted fabric according to claim 1, wherein the method comprises the following steps: the processing conditions of the hydrophilic cool feeling are as follows: the liquid carrying rate of the fabric is controlled to be 80-100%, the drying temperature of the setting machine is controlled to be 80-140 ℃, and the vehicle speed is 18-30 m/min.
6. The method for preparing a washable, long-lasting, cool cotton-containing knitted fabric according to claim 1, wherein the method comprises the following steps: the printing slurry comprises 5-8% of a fluorine-free waterproof agent, 1-3% of a cross-linking agent, 2-5% of a thickening agent and the balance of water; the viscosity of the slurry is 11000-15000 cps.
7. The method for preparing a washable, long-lasting, cool cotton-containing knitted fabric according to claim 1, wherein the method comprises the following steps: the printing process conditions are as follows: drying at 100-120 ℃, wherein the speed of the drying is 18-30 m/min, the temperature of the drying is 140-150 ℃, and the speed of the drying is 20-30 m/min.
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| CN106049044A (en) * | 2016-07-13 | 2016-10-26 | 江苏金太阳纺织科技股份有限公司 | Pure natural cool sense finishing agent and preparation method and application thereof |
| CN106702767B (en) * | 2016-11-28 | 2020-07-28 | 恩平锦兴纺织印染企业有限公司 | Preparation method of knitted fabric with one-way moisture-conducting and cool feeling functions |
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