CN111041834B - Preparation method of multifunctional super-soft cotton-containing knitted fabric - Google Patents
Preparation method of multifunctional super-soft cotton-containing knitted fabric Download PDFInfo
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- CN111041834B CN111041834B CN201911257843.9A CN201911257843A CN111041834B CN 111041834 B CN111041834 B CN 111041834B CN 201911257843 A CN201911257843 A CN 201911257843A CN 111041834 B CN111041834 B CN 111041834B
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- D06B3/10—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of fabrics
- D06B3/18—Passing of textile materials through liquids, gases or vapours to effect treatment, e.g. washing, dyeing, bleaching, sizing, impregnating of fabrics combined with squeezing, e.g. in padding machines
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Abstract
The invention relates to a preparation method of a multifunctional super-soft cotton-containing knitted fabric, which comprises the following steps: preparing cotton-containing knitting smooth gray fabric; performing hydrophilic and oleophobic modification treatment; easy decontamination and softening treatment. According to the invention, the cotton-containing knitted fabric is subjected to hydrophilic and oleophobic modification treatment and easy-decontamination softening processing, so that the technical problems that the cotton-containing knitted fabric cannot have high washing resistance, oil resistance and easy-decontamination functions and an ultra-soft hand feeling in the prior art are solved.
Description
Technical Field
The invention belongs to the field of knitted fabrics, and particularly relates to a preparation method of a multifunctional super-soft cotton-containing knitted fabric.
Background
The cotton-containing knitted garment has excellent skin-friendly and comfortable performance, is environment-friendly and sanitary, and is popular with consumers. However, cotton fibers have the defect that stains are not easy to remove, and the cotton-containing knitted fabrics are subjected to soil release functional finishing, which is a new trend.
The existing soil release processing is mainly divided into two types, one is that the soil release effect is realized by a mode of enhancing the hydrophilicity of the fabric, for example, carboxymethyl cellulose, polyethylene glycol, block copolymer of polyethylene glycol terephthalate and other moisture absorption enhancing auxiliary agents are adopted to treat the fabric, but the fabric treated by the method has no oil stain resistance, and the soil release effect can only be improved when the fabric is washed; the other method is to adopt a fluorine-based soil release finishing agent to form a film with low surface tension on the surface of the fabric, and the processing has double effects of oil stain resistance and soil release, and the soil release effect is stronger. Therefore, the fabric with the functions of oil stain resistance and easy stain removal is more popular with consumers.
However, the fabric finished by the fluorine-based oil-stain-proof soil-release finishing agent has the problems of hard hand feeling and coarseness, and if a common softening agent is adopted, the oil-stain-proof soil-release effect is greatly influenced. The influence on the oil stain prevention and easy decontamination functions is mainly reduced by screening the softening agent in the prior report, such as polyether modified amino organosilicon softening agent, fluorine modified organosilicon softening agent and the like. However, the softening agent has the problems of limited hand feeling improvement when the dosage is low and great influence on oil stain prevention and easy decontamination effect when the dosage is high, and is difficult to obtain the cotton-containing knitted fabric with super-soft hand feeling, high oil stain prevention and easy decontamination function grade. Due to the limitation of the type of the used softening agent, the cotton-containing knitted fabric with the oil stain preventing and soil releasing functions and different hand feeling styles is more difficult to obtain.
At present, the washing fastness of the oil-stain-preventing and soil-releasing functions of cotton knitted fabrics is rarely researched, the washing fastness of the oil-stain-preventing and soil-releasing functions of the cotton knitted fabrics is mainly improved by simply adding a cross-linking agent, and the phenomena that the oil-stain-preventing and soil-releasing functions are obviously reduced along with the increase of the washing times exist. Most reports show a phenomenon in which the soil release grade after 20 times of washing is reduced by one or more steps.
In order to obtain super-soft hand feeling, patent CN103343450A "a three-proofing and soil-release textile fabric and a preparation method thereof" adopts a scheme of adding a three-proofing softening agent into a three-proofing finishing agent, a soil-release finishing agent and a crosslinking agent, wherein only a small amount of the three-proofing softening agent can be added in the scheme, otherwise, the three-proofing and soil-release effect is reduced, and the hand feeling is difficult to achieve super-soft.
Patent CN104674575A novel three-proofing soil release super-soft comfortable throw pillow fabric adopts fluorine modified amino silicone softener, three-proofing finishing agent and soil release finishing agent to be processed in one bath to obtain soft hand feeling, and the limitation that the dosage of the softener can not be improved exists, and although the hand feeling is softened along with the increase of the dosage of the softener, the oil-proof soil release effect is obviously poor, and the grade becomes low.
In patent CN96110108.3, preparation of antibacterial deodorant soil release fabric, preparation method and product thereof, fabric is processed by padding or dipping fluorine-containing block copolymer soil release auxiliary agent after finishing method, which has the problem of poor washing fastness of soil release effect.
Disclosure of Invention
The invention aims to solve the technical problem of providing a preparation method of a multifunctional super-soft cotton-containing knitted fabric, which overcomes the technical problem that the prior art cannot realize the functions of high washing resistance, oil resistance, easy decontamination and super-soft hand feeling at the same time by carrying out hydrophilic and oleophobic modification treatment and easy decontamination and soft processing on the cotton-containing knitted fabric.
The invention provides a preparation method of a multifunctional super-soft cotton-containing knitted fabric, which comprises the following steps:
(1) carrying out refining bleaching pretreatment on the cotton-containing knitted fabric, and then carrying out dyeing, washing and acid neutralization treatment to obtain cotton-containing knitted smooth grey cloth;
(2) carrying out hydrophilic and oleophobic modification treatment on the cotton-containing knitted smooth grey cloth; wherein, the hydrophilic oleophobic modifier in the modification treatment liquid is perfluor alcohol acrylate polymer or hydrophilic block perfluor alkyl acrylate copolymer;
(3) carrying out soil-release and softening treatment on the modified cotton-containing knitting smooth grey cloth to obtain a multifunctional super-soft cotton-containing knitting fabric; wherein, the processing liquid for easy decontamination and softening treatment comprises the following components: 15-100 g/L of fluorine-based soil release auxiliary agent, 5-40 g/L of cross-linking agent, 0-50 g/L of soft softening agent, 0-50 g/L of smooth softening agent, 0-10 g/L of penetrating agent and 10-50 g/L of hydrophilic reinforcing agent; the soft softening agent and the smooth softening agent are not 0 at the same time.
The cotton-containing knitted fabric in the step (1) is all-cotton knitted fabric, mercerized all-cotton knitted fabric, cotton-ammonia blended knitted fabric, cotton/viscose blended knitted fabric or cotton-polyester blended knitted fabric.
The concentration of the modification treatment liquid in the step (2) is 1-8%.
And (3) adopting a padding method or a dipping method for the hydrophilic and oleophobic modification treatment in the step (2).
The padding method specifically comprises the following steps: the wet or dry smooth grey cloth passes through a padder filled with a modification treatment liquid at the temperature of 20-40 ℃, the concentration of the modification treatment liquid is 1% -8%, the liquid carrying rate of the smooth grey cloth after passing through the padder is 60% -100%, and then the smooth grey cloth is dried at the temperature of 150-170 ℃.
The impregnation method comprises the following specific steps: the bath ratio is 1: 8-1: 20, the pH value of the solution is 5.0-6.0, a modification treatment solution with the concentration of a hydrophilic and oleophobic modifier being 1% -8% is prepared, the smooth grey cloth is soaked in the modification treatment solution, the treatment is carried out in an overflow dyeing machine for 20-30 min at the temperature of 40-50 ℃, the grey cloth is taken out of a cylinder to remove liquid (the liquid carrying rate is 60% -100%), and then the grey cloth is dehydrated and dried at the temperature of 150-170 ℃.
The fluorine-based easy-cleaning auxiliary agent in the step (3) is a polyacrylic acid fluorocarbon ester auxiliary agent with the carbon atom number less than 8; the cross-linking agent is isocyanate or polyurethane cross-linking agent; the soft type softening agent is polyether modified amino organic silicon polymer; the smooth softener is amino organic silicon polymer; the penetrating agent is fatty alcohol polyoxyethylene ether penetrating agent; the hydrophilic enhancer is a strong hygroscopic auxiliary agent such as carboxymethyl cellulose, polyethylene glycol or block copolymer of polyethylene terephthalate.
The process conditions of soil release and softening treatment in the step (3) are as follows: the padding method is adopted for processing, the liquid carrying rate is controlled to be 60-100%, the baking temperature is 140-170 ℃, and the vehicle speed is 10-30 m/min.
And (3) setting machines are further arranged in the steps (2) and (3), the pressure of the setting machines is 3-5 kg, and the vehicle speed is 10-30 m/min.
In order to reduce the influence of the softening agent on the oil stain resistance and easy decontamination effect, the invention adopts the following processing scheme:
firstly, the cotton-containing knitting smooth grey cloth is subjected to hydrophilic and oleophobic modification processing, and then the cotton-containing knitting smooth grey cloth is subjected to soil release and softening processing. Through modification processing of the cotton-containing knitted fabric, the surface layer of the cotton-containing knitted fabric is uniformly coated with a layer of fluorine-containing block high polymer film. Because the modified processing liquid does not contain components which interfere with the film formation of the fluorine-containing block polymer, the perfluoroalkyl side chains can be well arranged on the surface of the cotton knitted fabric in order. When the modified cotton-containing knitted fabric is subjected to soil release and softening processing, because the soil release auxiliary agent and the hydrophilic and oleophobic modifier have certain similarity in chemical structure, compared with the unmodified cotton knitted fabric, the soil release auxiliary agent is easier to spread on the surface of the modified cotton knitted fabric to form a film, and the influence of the softener on the oil-proof and soil release effects of the modified cotton knitted fabric is greatly reduced. And at high temperature, the fixing performance of the soil release auxiliary agent on the modified cotton-containing knitted fabric is stronger, and the oil stain prevention and soil release effects are more washable.
Meanwhile, in order to obtain ultra-soft hand feeling, the invention selects a mode of blending a soft softening agent and a smooth softening agent during easy decontamination and softening processing. The cotton-containing knitted fabric with the soft hand feeling and the greasy dirt prevention and easy-to-decontaminate can also be obtained by only adding the soft softening agent and the easy-to-decontaminate auxiliary agent, or the cotton-containing knitted fabric with the smooth hand feeling and the greasy dirt prevention and easy-to-decontaminate can be obtained by singly selecting the smooth softening agent and the easy-to-decontaminate auxiliary agent to be blended and processed.
The invention adopts the method of firstly carrying out hydrophilic and oleophobic modification treatment on the cotton-containing knitted fabric and then carrying out soil release and softening processing, so that the influence of the softening agent on the fluorine-based oil stain-resistant soil release auxiliary agent is reduced to weak. When the dosage of the softening agent is greatly increased, the fabric finished by the scheme has little influence on the oil-stain-proof and soil-release effects.
Advantageous effects
(1) The method is simple and easy to operate, and the prepared knitted fabric containing cotton is comfortable and skin-friendly and has excellent comprehensive multifunctional wearability.
(2) The cotton-containing knitted fabric treated by the method has super-soft hand feeling, high-efficiency oil-proof and soil-release functions, good water-washing resistance and oil-proof and soil-release effects, and can keep the oil-proof and soil-release effects almost unchanged after being washed for 30 times, and can still keep the oil-proof level 4-5 and the soil-release level 4-5.
(3) The invention selects the mode of blending the soft softening agent and the smooth softening agent during the soil-release softening processing. The greasy dirt preventing and soil releasing cotton containing knitted fabric with soft hand feeling can also be obtained by only adding the soft softening agent and the soil releasing assistant, or the greasy dirt preventing and soil releasing cotton containing knitted fabric with smooth hand feeling can be obtained by singly selecting the smooth softening agent and the soil releasing assistant for blending and processing.
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.
Reagents used in examples:
hydrophilic oleophobic modifier: perfluoroalcohol acrylate Polymer (Pured 003 from Chiari textile science and technology Co., Ltd.).
Fluorine-based soil release auxiliary agent: and (3) a polyfluorocarbon ester auxiliary agent with the carbon number less than 8 (an Ono method easy detergent PFSR-2, a Dajin easy detergent 9131 or a Henscman easy detergent ZSR).
The crosslinking agent is an isocyanate crosslinking agent (crosslinking agent FM-1 or crosslinking agent MBX-31 available from Asahi glass company, Ltd.).
The softening type softening agent is polyether modified amino organic silicon polymer (Dow Corning softening agent OXF-0190 or Wake NE 820).
The smooth softener is amino organic silicon polymer (peak-containing chemical softener C926 or Dow Corning OFX-8209).
The penetrant is fatty alcohol polyoxyethylene ether, fatty alcohol ethylene oxide condensate, etc. (Rihua chemical penetrant BG-2).
The hydrophilic enhancer is carboxymethyl cellulose (Hope chemical PSO-7000).
Example 1
The yarn count is 40 counts, and the gram weight is 120g/m 2 The invention provides an all-cotton combed single-sided:
(1) the method comprises the following steps of carrying out refining bleaching pretreatment on all-cotton combed single-sided undershirt cloth, then continuing dyeing treatment, taking the cloth out of a cylinder for dyeing to obtain clean and impurity-free cotton knitted smooth gray cloth, enabling the cloth surface to be good in hydrophilicity and weak in acidity, and then dehydrating and scutching.
(2) Selecting wet cloth to directly carry out hydrophilic and oleophobic modification processing:
passing the wet dyed smooth grey cloth through a padder filled with a modification treatment liquid at the temperature of 20 ℃, drying the dyed smooth grey cloth, wherein the liquid carrying rate of the smooth grey cloth after passing through the padder is 60%, and the pressure of the padder of a setting machine is 3.4kg, the drying temperature is 170 ℃, and the speed is 25 m/min; wherein 8 percent of hydrophilic and oleophobic modifier is added with water to be uniformly mixed and stirred to form modified treatment liquid.
(3) The hydrophilic and oleophobic modified fabric is subjected to easy decontamination and softening processing:
the soil release and softening processing liquid is prepared by mixing 25g/L of fluorine soil release additive, 8g/L of cross-linking agent, 25g/L of soft softening agent, 25g/L of smooth softening agent, 5g/L of penetrating agent and 50g/L of hydrophilic reinforcing agent with water. The padding method is adopted for processing, the liquid carrying rate is 60%, the padder pressure of the setting machine is 3.4kg, the drying temperature is 160 ℃, and the vehicle speed is 25 m/min.
Example 2
Taking 40 pieces of all-cotton combed rib fabric with the gram weight of 250g/m 2 The padding method provided by the invention is adopted for modificationThe super-soft all-cotton combed rib fabric with the functions of washing resistance, oil resistance and easy decontamination is obtained by sexual treatment and easy decontamination softening processing, and the specific processing process is as follows:
(1) the all-cotton combed ribbing is subjected to refining bleaching pretreatment, then dyeing treatment is continuously carried out, clean all-cotton combed ribbing smooth grey cloth without impurities is obtained after dyeing is taken out of a cylinder, the cloth cover is good in hydrophilicity and weak in acidity, and then the all-cotton combed ribbing smooth grey cloth is dehydrated, opened and dried.
(2) Carrying out hydrophilic and oleophobic modification processing on dry dyeing grey cloth:
passing the dry dyed smooth grey cloth through a padder filled with a modification treatment liquid at the temperature of 20 ℃, drying the dyed smooth grey cloth with the liquid carrying rate of 100 percent after passing through the padder, wherein the padder pressure of a setting machine is 3.4kg, the drying temperature is 170 ℃, and the speed is 18 m/min; wherein, 2 percent of hydrophilic and oleophobic modifier is added with water to be uniformly mixed and stirred to form modified treatment liquid.
(3) And (3) carrying out easy decontamination and softening processing on the hydrophilic and oleophobic modified fabric:
the soil release and softening processing liquid is prepared by uniformly mixing 25g/L of fluorine soil release aid, 8g/L of cross-linking agent, 25g/L of soft softening agent, 25g/L of smooth softening agent, 5g/L of penetrating agent and 50g/L of hydrophilic reinforcing agent with water. The padding method is adopted for processing, the liquid carrying rate is 60%, the padder pressure of the setting machine is 3.4kg, the drying temperature is 160 ℃, and the vehicle speed is 18 m/min.
Example 3
Taking 60 cotton and ammonia blended knitted grey cloth with the gram weight of 180g/m 2 The padding method provided by the invention is adopted to carry out modification treatment and easy decontamination and softening treatment to obtain the super-soft cotton-ammonia blended knitted fabric with high washing resistance, oil stain resistance and easy decontamination functions, and the specific processing process is as follows:
(1) the method comprises the following steps of carrying out preshrinking-refining bleaching pretreatment on the cotton-ammonia blended knitted grey fabric, then continuing dyeing, taking the fabric out of a cylinder to obtain clean impurity-free cotton-ammonia knitted smooth grey fabric which has good cloth cover hydrophilicity and weak acidity, and then dehydrating and scutching the fabric.
(2) Selecting wet cloth to directly carry out hydrophilic and oleophobic modification processing:
passing the dry dyed smooth grey cloth through a padder filled with a modification treatment liquid at the temperature of 20 ℃, drying the dyed smooth grey cloth, wherein the liquid carrying rate of the smooth grey cloth after passing through the padder is 60%, and the pressure of the padder of a setting machine is 3.4kg, the drying temperature is 170 ℃, and the speed is 20 m/min; wherein, 5 percent of hydrophilic and oleophobic modifier is added with water to be uniformly mixed and stirred to form modified treatment liquid.
(3) And (3) carrying out easy decontamination and softening processing on the hydrophilic and oleophobic modified fabric:
the soil release and softening processing liquid is prepared by uniformly mixing 25g/L of soil release auxiliary agent, 8g/L of cross-linking agent, 25g/L of soft softening agent, 25g/L of smooth softening agent, 5g/L of penetrating agent and 50g/L of hydrophilic reinforcing agent with water. The padding method is adopted for processing, the liquid carrying rate is 60%, the padder pressure of the setting machine is 3.4kg, the drying temperature is 160 ℃, and the vehicle speed is 20 m/min.
Example 4
Taking 40 cotton/viscose blended knitted grey cloth with the gram weight of 100g/m 2 . The dipping method provided by the invention is adopted to carry out modification treatment and easy decontamination and softening processing treatment to obtain the super-soft cotton/viscose blended knitted fabric with high washing resistance, oil resistance and easy decontamination functions, and the specific processing process is as follows:
(1) the method comprises the following steps of carrying out refining bleaching pretreatment on the cotton/viscose blended knitted grey fabric, then continuing dyeing, taking out from a cylinder for dyeing to obtain clean impurity-free cotton/viscose blended knitted smooth grey fabric which is good in cloth cover hydrophilicity and weak in cloth cover acidity, and then dehydrating and scutching.
(2) Preparing a hydrophilic and oleophobic modification treatment liquid according to a bath ratio of 1:8, 3% of a hydrophilic and oleophobic modifier and a pH value of the solution of 5.0-6.0; soaking the smooth grey cloth in the above treating solution, treating in overflow dyeing machine at 40 deg.C for 20min, dewatering, and oven drying at 160 deg.C and speed of 30 m/min.
(3) And (3) carrying out easy decontamination and softening processing on the hydrophilic and oleophobic modified fabric:
the soil release and softening processing liquid is prepared by uniformly mixing 25g/L of fluorine soil release auxiliary agent, 8g/L of cross-linking agent, 25g/L of soft softening agent, 25g/L of smooth softening agent, 5g/L of penetrating agent and 50g/L of hydrophilic reinforcing agent with water. The padding method is adopted for processing, the liquid carrying rate is 60%, the padder pressure of the setting machine is 3.4kg, the drying temperature is 160 ℃, and the vehicle speed is 30 m/min.
Comparative example 1
For comparison, the following scheme of adding the polyether modified amino silicone softener into the detergent is adopted for processing, and in order to obtain better hand feeling, the mode of increasing the dosage of the polyether modified amino silicone softener is adopted for processing. The yarn count is 40, and the gram weight is 120g/m 2 The cotton combed single-sided single jersey is subjected to soil release soft finishing, and the specific processing process is as follows:
(1) the method comprises the following steps of carrying out refining bleaching pretreatment on all-cotton combed single-sided undershirt cloth, then continuing dyeing treatment, taking the cloth out of a cylinder for dyeing to obtain clean and impurity-free all-cotton combed single-sided smooth gray cloth with good cloth cover hydrophilicity and weak acid cloth cover, and then dehydrating, scutching and drying.
(2) The method is characterized in that the dyed smooth grey cloth is subjected to soil release soft finishing, and the specific process method comprises the following steps:
padding the mixed solution of the easy detergent and the softening agent. The soil release and softening processing liquid is prepared by adding water into 25g/L of fluorine soil release auxiliary agent, 8g/L of cross-linking agent, 50g/L of polyether modified amino organic silicon softening agent, 5g/L of penetrating agent and 50g/L of hydrophilic reinforcing agent and uniformly mixing. The padding method is adopted for processing, the liquid carrying rate is 60%, the padder pressure of the setting machine is 3.4kg, the drying temperature is 160 ℃, and the vehicle speed is 25 m/min.
Comparative example 2
For comparison, the cotton-containing knitted fabric was processed using the commonly reported scheme of blending a small amount of polyether-modified amino silicone softener and an easy detergent. Taking 40 count of yarn and 120g/m2 gram weight of all-cotton combed single-sided single-face undershirt cloth, and carrying out soil-release soft finishing on the single-face undershirt cloth, wherein the specific processing process is as follows:
(1) carrying out refining bleaching pretreatment on the all-cotton combed single-sided undershirt cloth, then continuing dyeing treatment, taking the cloth out of a cylinder for dyeing to obtain clean and impurity-free cotton knitted smooth gray cloth with good cloth cover hydrophilicity and weak acidity, and then dehydrating, scutching and drying.
(2) The method is characterized in that the dyed smooth grey cloth is subjected to soil release soft finishing, and the specific process method comprises the following steps:
padding the mixed solution of the easy detergent and the softening agent. The soil release and softening processing liquid is prepared by adding water into 25g/L of fluorine soil release auxiliary agent, 8g/L of cross-linking agent, 10g/L of polyether modified organic silicon softening agent, 5g/L of penetrating agent and 50g/L of hydrophilic reinforcing agent and uniformly mixing. And (3) processing by a padding method, wherein the liquid carrying rate is 60%, the padder pressure of the setting machine is 3.4kg, the drying temperature is 160 ℃, and the vehicle speed is 25 m/min.
Test results
From the above example data, one can obtain: the scheme provided by the invention can obtain the ultra-soft cotton-containing knitted fabric which has high washing resistance, oil stain resistance and easy decontamination function. The comparative examples 1 and 2 adopt a common soil-release soft processing scheme, and the finished fabric of the comparative example 1 has the oil resistance of 2 grades, the soil release of 3 grades and soft hand feeling, which shows that the oil resistance and soil release effects are poor when the soft hand feeling is obtained; comparative example 2 the finished fabric has oil resistance of 4 grades, easy decontamination of 4 grades and slightly hard hand feeling, which shows that the hand feeling is poor when the oil resistance and easy decontamination effects are strong. The comprehensive and available processing scheme is a common easy-to-clean soft processing scheme, the efficient oil-stain-resistant and easy-to-clean function and the ultra-soft hand feeling can not be achieved at the same time, and the washability is poor. In the embodiment 1, the scheme that hydrophilic and oleophobic modification processing is carried out firstly, and then soil-release and soft processing is carried out is adopted, so that the finished fabric is oil-resistant and oil-proof at 5 grades, soil-release at 4-5 grades, and ultra-soft in hand feeling; after 30 times of washing, the oil stain resistance is reduced by half, the soil-release effect is not reduced, and the washability is greatly improved compared with the common processing scheme. From examples 2, 3 and 4 it is clear that: the scheme is applied to all cotton and blended knitted fabrics thereof, and can simultaneously obtain the functions of high washing resistance, oil resistance and easy decontamination and the ultra-soft hand feeling.
Claims (8)
1. A preparation method of a multifunctional super-soft cotton-containing knitted fabric comprises the following steps:
(1) carrying out refining bleaching pretreatment on the cotton-containing knitted fabric, and then carrying out dyeing, washing and acid neutralization treatment to obtain cotton-containing knitted smooth grey cloth;
(2) carrying out hydrophilic and oleophobic modification treatment on the knitted bright grey cloth containing cotton; wherein the hydrophilic and oleophobic modifier in the modification treatment liquid is perfluor alcohol acrylate polymer, specifically Puridge 003;
(3) carrying out soil-release and softening treatment on the modified cotton-containing knitting smooth grey cloth to obtain a multifunctional super-soft cotton-containing knitting fabric; wherein, the processing liquid for easy decontamination and softening treatment comprises the following components: 15-100 g/L of fluorine-based soil release auxiliary agent, 5-40 g/L of cross-linking agent, 25-50 g/L of soft softening agent, 25-50 g/L of smooth softening agent, 0-10 g/L of penetrating agent and 10-50 g/L of hydrophilic reinforcing agent; the fluorine-based easy-cleaning auxiliary agent is a polyacrylic acid fluorocarbon ester auxiliary agent with the carbon atom number less than 8; the cross-linking agent is isocyanate or polyurethane cross-linking agent; the soft softening agent is polyether modified amino organic silicon polymer; the smooth softener is a high molecular weight amino organic silicon polymer; the penetrating agent is fatty alcohol polyoxyethylene ether penetrating agent; the hydrophilic reinforcing agent is carboxymethyl cellulose, polyethylene glycol or block copolymer of polyethylene terephthalate.
2. The method of claim 1, wherein: the cotton-containing knitted fabric in the step (1) is all-cotton knitted fabric, mercerized all-cotton knitted fabric, cotton-ammonia blended knitted fabric, cotton/viscose blended knitted fabric or cotton-polyester blended knitted fabric.
3. The method of claim 1, wherein: the concentration of the modified treatment liquid in the step (2) is 1% -8%.
4. The method of claim 1, wherein: and (3) adopting a padding method or a dipping method for the hydrophilic and oleophobic modification treatment in the step (2).
5. The method of claim 4, wherein: the padding method comprises the following specific steps: the wet or dry smooth grey fabric is passed through a padder filled with a modification treatment liquid at the temperature of 20-40 ℃, the concentration of the modification treatment liquid is 1% -8%, the liquid carrying rate of the smooth grey fabric after passing through the padder is 60% -100%, and then the smooth grey fabric is dried at the temperature of 150-170 ℃.
6. The method of claim 4, wherein: the impregnation method comprises the following specific steps: the bath ratio is 1: 8-1: 20, the pH value of the solution is 5.0-6.0, a modification treatment liquid with the concentration of a hydrophilic and oleophobic modifier being 1% -8% is prepared, the smooth grey cloth is soaked in the modification treatment liquid, the treatment is carried out in an overflow dyeing machine for 20-30 min at the temperature of 40-50 ℃, the liquid carrying rate of liquid removal from a cylinder is 60% -100%, and then the dehydration and drying are carried out at the temperature of 150-170 ℃.
7. The method of claim 1, wherein: the process conditions of the soil release and softening treatment in the step (3) are as follows: the padding method is adopted for processing, the liquid carrying rate is controlled to be 60-100%, the baking temperature is 140-170 ℃, and the vehicle speed is 10-30 m/min.
8. The method of claim 1, wherein: and (3) setting machines are further arranged in the steps (2) and (3), the pressure of the setting machines is 3-5 kg, and the vehicle speed is 10-30 m/min.
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| PT86991B (en) * | 1987-03-17 | 1992-06-30 | Sing Hsiung Chang | PROCESS FOR THE PREPARATION OF SOLUBLE MOLHAVEAL COPOLYMMIC COMPOUNDS SOFT AND OXYGEN PERMEABLE |
| JPH05321151A (en) * | 1992-05-15 | 1993-12-07 | Asahi Glass Co Ltd | Treatment of fiber |
| JPH07197377A (en) * | 1993-12-28 | 1995-08-01 | Daikin Ind Ltd | Method for treating fiber product and fiber product treated thereby |
| US10822577B2 (en) * | 2002-04-09 | 2020-11-03 | Gregory van Buskirk | Fabric treatment method for stain release |
| CN102041685A (en) * | 2010-11-19 | 2011-05-04 | 鲁泰纺织股份有限公司 | Finishing method of fiber product free of cleaning by detergent |
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| CN107916570A (en) * | 2017-11-30 | 2018-04-17 | 英泰时尚服饰（苏州）有限公司 | A kind of preparation method of wool fabric oil repellent finish |
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