CN110924155A - Method for preparing moisture-absorbing quick-drying cotton fabric with internal and external hydrophobic and hydrophilic structures from acrylate - Google Patents
Method for preparing moisture-absorbing quick-drying cotton fabric with internal and external hydrophobic and hydrophilic structures from acrylate Download PDFInfo
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- CN110924155A CN110924155A CN201911247934.4A CN201911247934A CN110924155A CN 110924155 A CN110924155 A CN 110924155A CN 201911247934 A CN201911247934 A CN 201911247934A CN 110924155 A CN110924155 A CN 110924155A
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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
- D06M14/00—Graft polymerisation of monomers containing carbon-to-carbon unsaturated bonds on to fibres, threads, yarns, fabrics, or fibrous goods made from such materials
- D06M14/02—Graft polymerisation of monomers containing carbon-to-carbon unsaturated bonds on to fibres, threads, yarns, fabrics, or fibrous goods made from such materials on to materials of natural origin
- D06M14/04—Graft polymerisation of monomers containing carbon-to-carbon unsaturated bonds on to fibres, threads, yarns, fabrics, or fibrous goods made from such materials on to materials of natural origin of vegetal origin, e.g. cellulose or derivatives thereof
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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
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/263—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated carboxylic acids; Salts or esters thereof
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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
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/263—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated carboxylic acids; Salts or esters thereof
- D06M15/267—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated carboxylic acids; Salts or esters thereof of unsaturated carboxylic esters having amino or quaternary ammonium groups
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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
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/643—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicon in the main chain
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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
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Abstract
The invention relates to the technical field of textile printing and dyeing processing, and discloses a method for preparing a moisture-absorbing quick-drying cotton fabric with an internal and external hydrophobic and hydrophilic structure from acrylate. The method comprises the following steps: (1) mixing acrylic ester, a penetrating agent, unsaturated acid salt, persulfate and water to prepare first finishing liquid; (2) padding cotton fabrics in the first finishing liquid, rolling, stacking for 5-48 hours at 40-60 ℃, and then washing and drying; (3) mixing the hydrophilic softening agent and water to prepare a second finishing liquid; (4) and (3) padding the cotton fabric obtained in the step (2) with the second finishing liquid, and then drying and baking. The cotton fabric obtained after finishing according to the method has better moisture absorption and quick drying performance and hydrophilicity.
Description
Technical Field
The invention relates to the technical field of textile printing and dyeing processing, in particular to a method for preparing a moisture-absorbing quick-drying cotton fabric with an internal and external hydrophobic and hydrophilic structure from acrylic ester.
Background
In recent years, with the improvement of quality of life, people have higher and higher pursuits for body building and shaping, more and more sportsmen engaged in outdoor activities are engaged in, and sports enthusiasts tend to natural fiber clothes, especially pure cotton fabrics, which are soft, comfortable, natural, environment-friendly, simple to care, durable and popular. However, when the sweat amount of human body is large, the cotton fiber expands due to moisture absorption, the fiber section is increased by 40-50%, the fabric becomes compact, the air holes are blocked, the heat exchange and the moisture exchange between the microclimate between the skin and the clothes and the external environment are obstructed, and the cotton fiber has large water absorption and retention rate, so that the sweat and the sweat are difficult to be rapidly discharged out of the body, thereby generating stuffiness feeling. In the prior art, the traditional rolling-drying-baking resin finishing process is adopted for cotton fabrics, the surface energy of the fabrics is reduced, the water absorption of the fabrics is reduced, the degree of moisture absorption and expansion of the fibers is reduced, and a specific penetrating agent and a moisture absorption and sweat releasing finishing agent are selected to achieve the purposes of moisture absorption and quick drying, so that the wearing comfort of the clothes is improved. However, the existing moisture absorption and quick drying finishing technology for cotton fabric is generally to form the hydrophobic outer surface of the cotton fabric, which inevitably reduces the hydrophilicity of the cotton fabric, thereby influencing the wearing comfort of cotton fabric clothes.
Disclosure of Invention
The invention aims to overcome the problems in the prior art and provides a method for preparing a moisture-absorbing quick-drying cotton fabric with an internal and external hydrophobic and hydrophilic structure by using acrylic ester.
The invention provides a method for preparing a moisture-absorbing quick-drying cotton fabric with an internal and external hydrophobic and hydrophilic structure by using acrylic ester, which comprises the following steps:
(1) mixing acrylic ester, a penetrating agent, unsaturated acid salt, persulfate and water to prepare first finishing liquid;
(2) padding cotton fabrics in the first finishing liquid, rolling, stacking for 5-48 hours at 40-60 ℃, and then washing and drying;
(3) mixing the hydrophilic softening agent and water to prepare a second finishing liquid;
(4) padding the cotton fabric obtained in the step (2) with the second finishing liquid, and then drying and baking;
wherein in the first finishing liquid, the concentration of the acrylate is 30-80g/L, the concentration of the penetrating agent is 10-40g/L, the concentration of the unsaturated acid salt is 5-20g/L, and the concentration of the persulfate is 5-20 g/L;
in the second finishing liquid, the concentration of the hydrophilic softening agent is 30-80 g/L.
Preferably, in the first finishing liquid, the concentration of the acrylate is 40-60g/L, the concentration of the penetrating agent is 20-30g/L, the concentration of the unsaturated acid salt is 8-15g/L, and the concentration of the persulfate is 6-10 g/L.
Preferably, the acrylate is at least one of dimethylaminoethyl methacrylate, hydroxyethyl methacrylate, ethyl acrylate, methyl methacrylate, ethyl methacrylate, butyl acrylate, butyl methacrylate, isooctyl acrylate, isooctyl methacrylate, n-octyl acrylate and n-octyl methacrylate, more preferably a mixture of dimethylaminoethyl methacrylate, hydroxyethyl methacrylate and methyl methacrylate.
Further preferably, in the mixture of dimethylaminoethyl methacrylate, hydroxyethyl methacrylate and methyl methacrylate, the weight ratio of dimethylaminoethyl methacrylate, hydroxyethyl methacrylate and methyl methacrylate is 1: 0.5-2: 0.5-2.
Preferably, the unsaturated acid salt is at least one of maleate, fumarate and itaconate.
Preferably, the persulfate is ammonium persulfate.
Preferably, in the second finishing liquid, the concentration of the hydrophilic softening agent is 40-60 g/L.
Preferably, in steps (2) and (4), the padding is operated in a manner of double padding and double rolling.
Preferably, the mangle ratio is 60-70%.
Preferably, in step (4), the drying temperature is 75-90 ℃ and the time is 1-3 minutes.
Preferably, in step (4), the baking temperature is 140-160 ℃ and the baking time is 1-5 minutes.
According to the method for preparing the moisture-absorbing quick-drying cotton fabric with the internal and external hydrophobic hydrophilic structures by using the acrylic ester, firstly, the cotton fabric is padded, rolled and piled by using finishing liquid containing the acrylic ester, and under the action of unsaturated acid salt and persulfate, the acrylic ester can form grafting, deposition and polymerization in an amorphous area of cotton fibers, so that a hydrophobic surface is formed on the surfaces of the cotton fibers; the cotton fabric is then padded, dried and baked with a finishing liquor containing a hydrophilic softening agent, which can further form a hydrophilic surface on the surface of the cotton fibers having a hydrophobic surface. Therefore, the cotton fabric obtained after finishing according to the method is of a structure with hydrophobic interior and hydrophilic exterior, so that the cotton fabric has good moisture absorption and quick drying performance and good hydrophilicity, and the wearing comfort of the cotton fabric clothes is improved.
Detailed Description
The following describes in detail specific embodiments of the present invention. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
The endpoints of the ranges and any values disclosed herein are not limited to the precise range or value, and such ranges or values should be understood to encompass values close to those ranges or values. For ranges of values, between the endpoints of each of the ranges and the individual points, and between the individual points may be combined with each other to give one or more new ranges of values, and these ranges of values should be considered as specifically disclosed herein.
The method for preparing the moisture-absorbing quick-drying cotton fabric with the internal and external hydrophobic and hydrophilic structures by using the acrylic ester comprises the following steps:
(1) mixing acrylic ester, a penetrating agent, unsaturated acid salt, persulfate and water to prepare first finishing liquid;
(2) padding cotton fabrics in the first finishing liquid, rolling, stacking for 5-48 hours at 40-60 ℃, and then washing and drying;
(3) mixing the hydrophilic softening agent and water to prepare a second finishing liquid;
(4) and (3) padding the cotton fabric obtained in the step (2) with the second finishing liquid, and then drying and baking.
In the method of the invention, the concentration of the acrylate in the first finishing liquor can be 30-80g/L, preferably 40-60 g/L; the concentration of the penetrant can be 10-40g/L, and is preferably 20-30 g/L; the concentration of the unsaturated acid salt is 5-20g/L, preferably 8-15 g/L; the concentration of the persulfate is 5-20g/L, preferably 6-10 g/L.
In the method of the present invention, the acrylate may be at least one of dimethylaminoethyl methacrylate, hydroxyethyl methacrylate, ethyl acrylate, methyl methacrylate, ethyl methacrylate, butyl acrylate, butyl methacrylate, isooctyl acrylate, isooctyl methacrylate, n-octyl acrylate, and n-octyl methacrylate. In a more preferred embodiment, the acrylate is a mixture of dimethylaminoethyl methacrylate, hydroxyethyl methacrylate and methyl methacrylate. Still more preferably, in the mixture of dimethylaminoethyl methacrylate, hydroxyethyl methacrylate and methyl methacrylate, the weight ratio of dimethylaminoethyl methacrylate, hydroxyethyl methacrylate and methyl methacrylate is 1: 0.5-2: 0.5-2, preferably 1: 0.8-1.2: 0.8-1.2. According to the preferred embodiment, the cotton fabric obtained after finishing has better moisture absorption and quick drying performance and hydrophilicity.
In the method of the present invention, the unsaturated acid salt is preferably at least one of a maleate salt, a fumarate salt, and an itaconate salt.
In the method of the present invention, the persulfate may be at least one of ammonium persulfate, potassium persulfate, and sodium persulfate, and is preferably ammonium sulfate.
In the method of the invention, the concentration of the hydrophilic softening agent in the second finishing liquor is 30-80g/L, preferably 40-60 g/L.
In the method of the present invention, in steps (2) and (4), the padding may be operated in a manner conventionally selected in the art. Preferably, the padding in steps (2) and (4) is two-padding and two-rolling. Further preferably, the mangle ratio is controlled to be 60-70% in the padding process.
In the method of the present invention, in the step (4), the drying temperature may be 75 to 90 ℃ and the time may be 1 to 3 minutes.
In the method of the present invention, in the step (4), the baking temperature may be 140-.
In the present invention, the penetrant may be a conventionally used penetrant in a moisture-absorption quick-dry finishing process, and may be, for example, a commercially available penetrant NR.
In the present invention, the hydrophilic softening agent may be a hydrophilic softening agent conventionally used in a cotton fabric finishing process, and may be, for example, commercially available hydrophilic softening agent SYNICO-6811.
The present invention will be described in detail by way of examples, but the scope of the present invention is not limited thereto.
In the following examples, the cotton fabric used was a 14.6tex x 19.4tex 590/10cm x 425/10cm160cm 2/1 twill/fabric (semi-finished after mercerization).
Example 1
(1) Mixing acrylic ester, a penetrant NR, a maleate, ammonium persulfate and water to prepare a first finishing liquid, wherein the concentration of the acrylic ester is 50g/L, the acrylic ester is a mixture of dimethylaminoethyl methacrylate, hydroxyethyl methacrylate and methyl methacrylate, and the mass ratio of the dimethylaminoethyl methacrylate to the hydroxyethyl methacrylate to the methyl methacrylate is 1: 1: 1, the concentration of the penetrant NR is 25g/L, the concentration of the maleate is 12g/L, and the concentration of the ammonium persulfate is 8 g/L. And soaking and rolling the cotton fabric in the first finishing liquid twice, controlling the mangle rolling rate to be 65%, rolling, stacking for 24 hours at 50 ℃, and then washing and drying.
(2) And adding the hydrophilic softening agent SYNICO-6811 into water to prepare a second finishing liquid, wherein the concentration of the hydrophilic softening agent SYNICO-6811 is 50 g/L. Followed by drying at 85 ℃ for 2 minutes and then baking at 150 ℃ for 3 minutes, to give a finished cotton fabric a 1.
Example 2
(1) Mixing acrylic ester, a penetrating agent NR, fumarate, ammonium persulfate and water to prepare a first finishing liquid, wherein the concentration of the acrylic ester is 40g/L, the acrylic ester is a mixture of dimethylaminoethyl methacrylate, hydroxyethyl methacrylate and methyl methacrylate, and the mass ratio of the acrylic ester to the hydroxyethyl methacrylate to the methyl methacrylate is 1: 0.8: 1.2, the concentration of the penetrating agent NR is 30g/L, the concentration of the fumarate is 8g/L, and the concentration of the ammonium persulfate is 6 g/L. And (3) soaking and rolling the cotton fabric in the first finishing liquid twice, controlling the mangle rolling rate to be 60%, rolling, stacking for 48 hours at 40 ℃, and then washing and drying.
(2) And adding the hydrophilic softening agent SYNICO-6811 into water to prepare a second finishing liquid, wherein the concentration of the hydrophilic softening agent SYNICO-6811 is 40 g/L. Followed by drying at 90 ℃ for 1 minute and then baking at 140 ℃ for 5 minutes, to give a finished cotton fabric a 2.
Example 3
(1) Mixing acrylate, a penetrant NR, itaconate, ammonium persulfate and water to prepare a first finishing liquid, wherein the concentration of the acrylate is 60g/L, the acrylate is a mixture of dimethylaminoethyl methacrylate, hydroxyethyl methacrylate and methyl methacrylate, and the mass ratio of the dimethylaminoethyl methacrylate to the hydroxyethyl methacrylate to the methyl methacrylate is 1: 1.2: 0.8, the concentration of the penetrating agent NR is 20g/L, the concentration of the itaconate is 15g/L, and the concentration of the ammonium persulfate is 10 g/L. And (3) soaking and rolling the cotton fabric twice in the first finishing liquid twice, controlling the mangle rolling rate to be 70%, rolling, stacking for 12 hours at the temperature of 60 ℃, and then washing and drying.
(2) And adding the hydrophilic softening agent SYNICO-6811 into water to prepare a second finishing liquid, wherein the concentration of the hydrophilic softening agent SYNICO-6811 is 60 g/L. Followed by drying at 75 ℃ for 3 minutes and then baking at 160 ℃ for 1 minute, to give a finished cotton fabric a 3.
Example 4
(1) Mixing acrylate, a penetrant NR, itaconate, ammonium persulfate and water to prepare a first finishing liquid, wherein the concentration of the acrylate is 45g/L, the acrylate is a mixture of dimethylaminoethyl methacrylate, hydroxyethyl methacrylate and methyl methacrylate, and the mass ratio of the dimethylaminoethyl methacrylate to the hydroxyethyl methacrylate to the methyl methacrylate is 1: 1: 1, the concentration of the penetrating agent NR is 22g/L, the concentration of the itaconate is 10g/L, and the concentration of the ammonium persulfate is 7 g/L. And (3) soaking and rolling the cotton fabric in the first finishing liquid twice, controlling the mangle rolling rate to be 70%, rolling, stacking for 24 hours at 55 ℃, and then washing and drying.
(2) And adding the hydrophilic softening agent SYNICO-6811 into water to prepare a second finishing liquid, wherein the concentration of the hydrophilic softening agent SYNICO-6811 is 45 g/L. Followed by drying at 85 ℃ for 3 minutes and then baking at 150 ℃ for 4 minutes, to give a finished cotton fabric a 4.
Example 5
(1) Mixing acrylic ester, a penetrating agent NR, fumarate, ammonium persulfate and water to prepare a first finishing liquid, wherein the concentration of the acrylic ester is 55g/L, the acrylic ester is a mixture of dimethylaminoethyl methacrylate, hydroxyethyl methacrylate and methyl methacrylate, and the mass ratio of the acrylic ester to the hydroxyethyl methacrylate to the methyl methacrylate is 1: 1: 1, the concentration of the penetrating agent NR is 28g/L, the concentration of the fumarate is 13g/L, and the concentration of the ammonium persulfate is 9 g/L. And soaking and rolling the cotton fabric in the first finishing liquid twice, controlling the mangle rolling rate to be 70%, rolling, stacking for 24 hours at 48 ℃, and then washing and drying.
(2) And adding the hydrophilic softening agent SYNICO-6811 into water to prepare a second finishing liquid, wherein the concentration of the hydrophilic softening agent SYNICO-6811 is 55 g/L. Followed by drying at 85 ℃ for 3 minutes and then baking at 150 ℃ for 4 minutes, to give a finished cotton fabric a 5.
Example 6
The cotton fabric was finished according to the method of example 1, except that the added acrylic ester did not contain dimethylaminoethyl methacrylate, and the total concentration of hydroxyethyl methacrylate and methyl methacrylate was 50g/L, the mass ratio of the two was 1: 1, thus obtaining a finished cotton fabric a 6.
Example 7
The cotton fabric was finished according to the method of example 1, except that the added acrylic ester did not contain hydroxyethyl methacrylate, and the total concentration of dimethylaminoethyl methacrylate and methyl methacrylate was 50g/L, the mass ratio of the two being 1: 1, thus obtaining a finished cotton fabric a 7.
Comparative example 1
The cotton fabric was finished according to the method of example 1, except that the hydrophilic finishing process of step (2) was not performed, and the cotton fabric obtained after the drying of step (1) was directly baked at 150 ℃ for 3 minutes, thereby obtaining finished cotton fabric D1.
Comparative example 2
A cotton fabric was finished according to the method of comparative example 1 except that a hydrophilic softening agent SYNICO-6811 was added to the finishing liquid to a concentration of 50g/L, thereby obtaining a finished cotton fabric D2.
Comparative example 3
Cotton fabric was finished according to the method of example 1, except that no maleate and ammonium persulfate were added to the finishing liquor prepared in (1) and that the acrylate was replaced with resin finish 7636 (from henseme), to give a finished cotton fabric D3.
Comparative example 4
A cotton fabric was finished according to the method of comparative example 3, except that a hydrophilic softening agent SYNICO-6811 was added to the finishing liquid to a concentration of 50g/L, thereby obtaining a finished cotton fabric D4.
Test example
The finished cotton fabrics prepared in the above examples and comparative examples were tested for capillary effect, wettability and quick drying according to the following methods:
(1) capillary effect: and (3) detecting according to FZ/T01071-2008 'method for testing capillary effect of textiles'.
(2) Wettability (water drop spreading time): a round sample with the radius of 10cm is taken, the front side of the round sample is upward, and the round sample is flatly placed on a hollowed-out object. Dropping 1 drop of water at a distance of 2cm from the cloth surface under the environment of temperature (20 +/-1) DEG C and corresponding humidity (65 +/-2)% and recording the time(s) from the dropping to the spreading of the water drop on the fabric. 5 different positions were tested and averaged.
(2) Quick drying: the quick drying property of the fabric is characterized by the moisture dispersion rate of the tested fabric. Taking 3 samples of 2.0cm × 2.0cm, leveling the sample surface, keeping warp and weft yarns from twisting, balancing at 20 + -1 deg.C and corresponding humidity (65 + -2)% for 24 hr, and weighing m0(ii) a Dropping 0.05mL of water on the surface of the sample at a height of 2cm from the end of the titration tube, and weighing m1Weighing m after 30min2(ii) a The moisture diffusion rate (quick-drying rate) was calculated according to the following formula:
(m) moisture-dispersing rate2-m0)/(m1-m0)×100％。
The results are shown in table 1 below.
TABLE 1
As can be seen from the results in Table 1, the cotton fabric obtained after the finishing by the method has better moisture absorption and quick drying performance and hydrophilicity.
The preferred embodiments of the present invention have been described above in detail, but the present invention is not limited thereto. Within the scope of the technical idea of the invention, many simple modifications can be made to the technical solution of the invention, including combinations of various technical features in any other suitable way, and these simple modifications and combinations should also be regarded as the disclosure of the invention, and all fall within the scope of the invention.
Claims (10)
1. A method for preparing moisture-absorbing quick-drying cotton fabric with an internal and external hydrophobic and hydrophilic structure from acrylate is characterized by comprising the following steps:
(1) mixing acrylic ester, a penetrating agent, unsaturated acid salt, persulfate and water to prepare first finishing liquid;
(2) padding cotton fabrics in the first finishing liquid, rolling, stacking for 5-48 hours at 40-60 ℃, and then washing and drying;
(3) mixing the hydrophilic softening agent and water to prepare a second finishing liquid;
(4) padding the cotton fabric obtained in the step (2) with the second finishing liquid, and then drying and baking;
wherein in the first finishing liquid, the concentration of the acrylate is 30-80g/L, the concentration of the penetrating agent is 10-40g/L, the concentration of the unsaturated acid salt is 5-20g/L, and the concentration of the persulfate is 5-20 g/L;
in the second finishing liquid, the concentration of the hydrophilic softening agent is 30-80 g/L.
2. The method according to claim 1, wherein in the first finishing liquor, the concentration of the acrylate is 40-60g/L, the concentration of the penetrant is 20-30g/L, the concentration of the unsaturated acid salt is 8-15g/L, and the concentration of the persulfate is 6-10 g/L.
3. The method according to claim 1 or 2, wherein the acrylate is at least one of dimethylaminoethyl methacrylate, hydroxyethyl methacrylate, ethyl acrylate, methyl methacrylate, ethyl methacrylate, butyl acrylate, butyl methacrylate, isooctyl acrylate, isooctyl methacrylate, n-octyl acrylate and n-octyl methacrylate, preferably a mixture of dimethylaminoethyl methacrylate, hydroxyethyl methacrylate and methyl methacrylate;
further preferably, in the mixture of dimethylaminoethyl methacrylate, hydroxyethyl methacrylate and methyl methacrylate, the weight ratio of dimethylaminoethyl methacrylate, hydroxyethyl methacrylate and methyl methacrylate is 1: 0.5-2: 0.5-2.
4. The method of claim 1 or 2, wherein the unsaturated acid salt is at least one of a maleate salt, a fumarate salt, and an itaconate salt.
5. The method according to claim 1 or 2, wherein the persulfate is ammonium persulfate.
6. The method according to claim 1, wherein the concentration of the hydrophilic softener in the second finishing liquor is 40-60 g/L.
7. A method as claimed in claim 1, 2 or 6, wherein in steps (2) and (4) the padding is operated in a double pad mode.
8. The method of claim 7, wherein the mangle ratio is 60-70%.
9. The method according to claim 1, 2 or 6, wherein in step (4), the drying temperature is 75-90 ℃ and the drying time is 1-3 minutes.
10. The method as claimed in claim 1, 2 or 6, wherein in step (4), the baking temperature is 140 ℃ and 160 ℃ for 1-5 minutes.
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| US7842625B1 (en) * | 2006-10-26 | 2010-11-30 | Nano-Tex, Inc. | Methods for treating fabric to facilitate moisture transfer from one side to the other |
| CN1970876A (en) * | 2006-12-01 | 2007-05-30 | 陕西师范大学 | Method for preparing hydrophilic or hydrophobic fiber |
| CN101280517A (en) * | 2007-08-22 | 2008-10-08 | 浙江传化股份有限公司 | Non-ironing crease-proofing agent and preparation thereof |
| CN101353864A (en) * | 2008-05-04 | 2009-01-28 | 东华大学 | Finishing method of dry-touch and cool knitted underwear or fabric |
| CN101805990A (en) * | 2010-02-02 | 2010-08-18 | 广东鸿昌服饰创意股份有限公司 | Water repellent finishing agent and method for manufacturing moisture absorbing and sweat releasing jean fabric by using same |
| CN105220474A (en) * | 2015-10-10 | 2016-01-06 | 江南大学 | A kind of COTTON FABRIC hydrophobic finishing method based on esters of acrylic acid and electron beam technology |
| CN109295714A (en) * | 2018-09-27 | 2019-02-01 | 圣华盾防护科技股份有限公司 | A kind of method of cotton fabric hydrophobically modified |
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