CN114197209B - Skin feel fabric - Google Patents
Skin feel fabric Download PDFInfo
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- CN114197209B CN114197209B CN202111308896.6A CN202111308896A CN114197209B CN 114197209 B CN114197209 B CN 114197209B CN 202111308896 A CN202111308896 A CN 202111308896A CN 114197209 B CN114197209 B CN 114197209B
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- modified
- polyaniline
- mixing
- modified polyaniline
- tetrapod
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- 239000004744 fabric Substances 0.000 title claims abstract description 45
- 229920000767 polyaniline Polymers 0.000 claims abstract description 126
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims abstract description 110
- 238000002156 mixing Methods 0.000 claims abstract description 72
- 229920000742 Cotton Polymers 0.000 claims abstract description 57
- 239000011787 zinc oxide Substances 0.000 claims abstract description 55
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 claims abstract description 40
- 239000011527 polyurethane coating Substances 0.000 claims abstract description 39
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 37
- 239000000839 emulsion Substances 0.000 claims abstract description 36
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 30
- 229920001661 Chitosan Polymers 0.000 claims abstract description 19
- 239000004698 Polyethylene Substances 0.000 claims abstract description 18
- -1 polyethylene Polymers 0.000 claims abstract description 18
- 229920000573 polyethylene Polymers 0.000 claims abstract description 18
- 239000004814 polyurethane Substances 0.000 claims abstract description 18
- 229920002635 polyurethane Polymers 0.000 claims abstract description 18
- 239000011248 coating agent Substances 0.000 claims abstract description 16
- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical compound CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 claims abstract description 16
- 238000000576 coating method Methods 0.000 claims abstract description 15
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims abstract description 14
- 238000010438 heat treatment Methods 0.000 claims abstract description 13
- 238000004880 explosion Methods 0.000 claims abstract description 9
- SXRSQZLOMIGNAQ-UHFFFAOYSA-N Glutaraldehyde Chemical compound O=CCCCC=O SXRSQZLOMIGNAQ-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000003999 initiator Substances 0.000 claims abstract description 8
- 238000009941 weaving Methods 0.000 claims abstract description 7
- 238000003756 stirring Methods 0.000 claims description 50
- 238000001914 filtration Methods 0.000 claims description 26
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 claims description 25
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 24
- 239000006185 dispersion Substances 0.000 claims description 19
- 239000007788 liquid Substances 0.000 claims description 19
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 15
- 238000006243 chemical reaction Methods 0.000 claims description 14
- 238000002360 preparation method Methods 0.000 claims description 14
- 238000001035 drying Methods 0.000 claims description 10
- WYTZZXDRDKSJID-UHFFFAOYSA-N (3-aminopropyl)triethoxysilane Chemical compound CCO[Si](OCC)(OCC)CCCN WYTZZXDRDKSJID-UHFFFAOYSA-N 0.000 claims description 9
- 239000012065 filter cake Substances 0.000 claims description 8
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 7
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 7
- 239000002270 dispersing agent Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 7
- 238000005303 weighing Methods 0.000 claims description 7
- 235000019441 ethanol Nutrition 0.000 claims description 6
- 229920000036 polyvinylpyrrolidone Polymers 0.000 claims description 6
- 239000001267 polyvinylpyrrolidone Substances 0.000 claims description 6
- 235000013855 polyvinylpyrrolidone Nutrition 0.000 claims description 6
- USHAGKDGDHPEEY-UHFFFAOYSA-L potassium persulfate Chemical compound [K+].[K+].[O-]S(=O)(=O)OOS([O-])(=O)=O USHAGKDGDHPEEY-UHFFFAOYSA-L 0.000 claims description 6
- FZHAPNGMFPVSLP-UHFFFAOYSA-N silanamine Chemical compound [SiH3]N FZHAPNGMFPVSLP-UHFFFAOYSA-N 0.000 abstract description 4
- 239000003513 alkali Substances 0.000 abstract 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 abstract 1
- 238000005457 optimization Methods 0.000 description 24
- 238000010521 absorption reaction Methods 0.000 description 11
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 8
- 239000000047 product Substances 0.000 description 8
- 230000000052 comparative effect Effects 0.000 description 6
- 238000007493 shaping process Methods 0.000 description 5
- 239000000377 silicon dioxide Substances 0.000 description 4
- 235000012239 silicon dioxide Nutrition 0.000 description 4
- 238000011156 evaluation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000002791 soaking Methods 0.000 description 2
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 229920001903 high density polyethylene Polymers 0.000 description 1
- 239000004700 high-density polyethylene Substances 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 230000004584 weight gain Effects 0.000 description 1
- 235000019786 weight gain Nutrition 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
Classifications
-
- 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
- D06M15/564—Polyureas, polyurethanes or other polymers having ureide or urethane links; Precondensation products forming them
-
- 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
- D06M15/227—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of hydrocarbons, or reaction products thereof, e.g. afterhalogenated or sulfochlorinated
-
- 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
- D06M15/61—Polyamines polyimines
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Abstract
The invention discloses a skin feel fabric, which is prepared by firstly treating tetrapod-like zinc oxide whiskers with silica sol to obtain pre-modified tetrapod-like zinc oxide whiskers, then mixing the pre-modified tetrapod-like zinc oxide whiskers with aminosilane to react, then reacting with aniline solution under the action of an initiator and p-toluenesulfonic acid to obtain pre-modified polyaniline, fumigating the pre-modified polyaniline with hydrochloric acid steam, uniformly dividing the pre-modified polyaniline into two parts, subjecting one part to steam explosion treatment with alkali steam, reacting the other part with chitosan and glutaraldehyde, mixing the treated two parts of pre-modified polyaniline to obtain modified polyaniline, mixing the modified polyaniline, polyurethane emulsion, polyethylene emulsion and water to obtain a modified polyurethane coating agent, coating the modified polyurethane coating agent on the surface of cotton fiber, and then heating at high temperature for weaving to obtain the skin feel fabric. The skin sense fabric prepared by the invention has glossy and oily appearance, good water absorbability and smooth skin sense.
Description
The application is a divisional application with a patent number of 202110214511.3, a filing date of 2021, 02 and 25 days and a patent name of skin feel fabric and a preparation method thereof.
Technical Field
The invention relates to the technical field of fabrics, in particular to a skin feel fabric.
Background
With the improvement of the requirements of people on the style, the handfeel and the like of clothing products, the traditional clothing fabric products cannot meet the increasingly improved aesthetic standards of people. The development of some garment fabric products with novel styles and comfortable hand feeling is a good opportunity to be put in the fabric market.
A novel fabric which is popular recently in the skin feel fabric is prepared by coating a layer of glossy and oily appearance, good application performance and smooth skin tendering feel on the surface of fiber, but the water absorption of the fabric is often reduced by the preparation method, so that the requirements of close-fitting wearing cannot be met.
Disclosure of Invention
The invention aims to provide a skin-feel fabric and a preparation method thereof, which are used for solving the problem that the skin-feel fabric in the prior art is poor in moisture absorption and air permeability.
The skin feel fabric is characterized by mainly comprising the following raw material components in parts by weight: 60-85 parts of cotton fiber and 20-40 parts of modified polyurethane coating agent;
the modified polyurethane coating agent comprises aqueous polyurethane emulsion, polyethylene wax emulsion, modified polyaniline and water.
As optimization, the cotton fibers are mercerized cotton fibers; the polyurethane emulsion is commercial anionic polyurethane glue, and the model is PU108; the polyethylene wax emulsion is any one of commercial Pasteur poligenWE6 polyethylene wax emulsion or TL2011P high-density polyethylene wax emulsion.
As optimization, the modified polyaniline is formed by mixing No. 1 modified polyaniline and No. 2 modified polyaniline, wherein the No. 1 modified polyaniline is prepared by taking tetrapod-shaped zinc oxide whiskers as templates and performing alkaline steam explosion on a hollow structure prepared from polyaniline, silicon dioxide and gamma-aminopropyl triethoxy silane, and the No. 2 modified polyaniline is prepared by taking tetrapod-shaped zinc oxide whiskers as templates and prepared from polyaniline, silicon dioxide, gamma-aminopropyl triethoxy silane, chitosan and glutaraldehyde.
As optimization, the skin feel fabric is composed of the following raw materials in parts by weight: 70 parts of cotton fiber and 30 parts of modified polyurethane coating agent.
As optimization, the skin feel fabric mainly comprises the following preparation steps:
(1) Mixing tetrapod-like zinc oxide whisker with tetraethoxysilane dispersion liquid, adding a dispersing agent and ammonia water, stirring for reaction, and filtering to obtain pre-modified tetrapod-like zinc oxide whisker;
(2) Mixing the pre-modified tetrapod-like zinc oxide whisker obtained in the step (1) with gamma-aminopropyl triethoxysilane, stirring for reaction, filtering to obtain modified tetrapod-like zinc oxide whisker, mixing the modified tetrapod-like zinc oxide whisker with aniline solution, adding initiator and p-toluenesulfonic acid, stirring for reaction, and filtering to obtain pre-modified polyaniline;
(3) Fumigating the pre-modified polyaniline obtained in the step (2) by using hydrochloric acid steam to obtain a modified polyaniline blank, equally dividing the modified polyaniline blank into two parts, namely a No. 1 modified polyaniline blank and a No. 2 modified polyaniline blank, performing steam explosion treatment on the No. 1 modified polyaniline blank by using alkaline steam to obtain a No. 1 modified polyaniline, mixing the No. 2 modified polyaniline blank with a chitosan solution, stirring and dispersing, adding glutaraldehyde, continuing stirring and reacting, filtering and drying to obtain a No. 2 modified polyaniline, and mixing the No. 1 modified polyaniline with the No. 2 modified polyaniline to obtain the modified polyaniline;
(4) Sequentially weighing according to mass fraction: 8-15 parts of modified polyaniline obtained in the step (3), 10-20 parts of polyurethane emulsion, 4-8 parts of polyethylene wax emulsion and 40-50 parts of water, mixing the polyurethane emulsion and the polyethylene wax emulsion, adding water and the modified polyaniline, and stirring and mixing to obtain a modified polyurethane coating agent;
(5) And (3) coating the modified polyurethane coating agent obtained in the step (4) on the surface of the cotton fiber, heating at a high temperature to obtain the skin-feel cotton fiber, and weaving the skin-feel cotton fiber to obtain the skin-feel fabric.
As optimization, the preparation method of the skin feel fabric mainly comprises the following preparation steps:
(1) The tetrapod-like zinc oxide whisker and tetraethoxysilane dispersion liquid are mixed according to the mass ratio of 1:6-1: 10, mixing the mixture in a beaker, adding 0.1 to 0.3 times of dispersing agent polyvinylpyrrolidone with the mass of the tetrapod-like zinc oxide whisker into the beaker, stirring and mixing, adding 5 to 15 percent of ammonia water with the mass fraction of 5 to 15 percent of the volume of the materials in the beaker into the beaker, stirring and reacting, and filtering to obtain the pre-modified tetrapod-like zinc oxide whisker;
(2) Mixing the pre-modified tetrapod-like zinc oxide whisker obtained in the step (1) with gamma-aminopropyl triethoxysilane according to the mass ratio of 1:5-1:8, stirring at the temperature of 50-75 ℃ for reaction for 3-6 hours, filtering to obtain modified tetrapod-like zinc oxide whisker, mixing the modified tetrapod-like zinc oxide whisker with aniline solution according to the mass ratio of 1:10-1:15 in a flask, adding 0.2-0.5 times of initiator potassium persulfate into the flask, stirring for reaction for 4-5 hours, adding p-toluenesulfonic acid with the mass of 0.1-0.3 times of the modified tetrapod-like zinc oxide whisker into the flask, continuing stirring for reaction for 2-3 hours, and filtering to obtain pre-modified polyaniline;
(3) Fumigating the pre-modified polyaniline obtained in the step (2) with 0.1-0.3 mol/L hydrochloric acid steam for 2-3 h to obtain modified polyaniline blanks, dividing the modified polyaniline blanks into two parts, respectively marking the two parts as No. 1 modified polyaniline blanks and No. 2 modified polyaniline blanks, performing steam explosion treatment on the No. 1 modified polyaniline blanks with alkaline steam with pH value of 11-13 to obtain No. 1 modified polyaniline, mixing the No. 2 modified polyaniline blanks and chitosan solution in a reaction kettle according to a mass ratio of 1:5-1:8, stirring and dispersing, adding glutaraldehyde with the mass of 0.2-0.5 times of the modified polyaniline blanks into the reaction kettle, stirring and reacting, filtering to obtain filter cakes, drying the filter cakes at 50-80 ℃ to obtain No. 2 modified polyaniline, and mixing the No. 1 modified polyaniline with the No. 2 modified polyaniline to obtain modified polyaniline;
(4) Sequentially weighing according to mass fraction: 8-15 parts of modified polyaniline obtained in the step (3), 10-20 parts of polyurethane emulsion, 4-8 parts of polyethylene wax emulsion and 40-50 parts of water, mixing the polyurethane emulsion and the polyethylene wax emulsion, adding water and the modified polyaniline, and stirring and mixing to obtain a modified polyurethane coating agent;
(5) Coating the modified polyurethane coating agent obtained in the step (4) on the surface of cotton fiber in a coating amount of 0.25-0.66 kg of modified polyurethane coating agent per 0.7 kg of cotton fiber, heating at high temperature to obtain skin-feel cotton fiber, and weaving the skin-feel cotton fiber to obtain the polyurethane-feel cotton fiber with gram weight of 200-350 g/m 2 Is a skin feel fabric.
As optimization, the preparation method of the ethyl orthosilicate dispersion liquid in the step (1) comprises the steps of mixing ethyl orthosilicate with an ethanol solution with the mass fraction of 60% according to the mass ratio of 1:10-1:15, so as to obtain the ethyl orthosilicate dispersion liquid.
As optimization, the aniline solution in the step (2) is obtained by mixing aniline and absolute ethyl alcohol according to a mass ratio of 1:10-1:18.
As optimization, the chitosan solution in the step (3) is obtained by mixing chitosan and acetic acid solution with the mass fraction of 5-8% according to the mass ratio of 1:5-1:8.
As optimization, the high-temperature heating treatment in the step (5) is carried out for 20-40 min before drying at the temperature of 110 ℃, and then shaping for 30-60 min at the temperature of 160 ℃.
Compared with the prior art, the invention has the beneficial effects that:
in the preparation of the skin-feel fabric, the surface of the cotton fiber is modified by using the modified polyurethane coating agent.
In the invention, modified polyaniline is added into the modified polyurethane coating agent, and the modified polyaniline is formed by mixing No. 1 modified polyaniline and No. 2 modified polyaniline; the polyaniline shell containing the hollow structure in the No. 1 modified polyaniline is broken into a polyaniline lamellar structure after being subjected to alkaline steam explosion treatment, and silicon dioxide contained in the polyaniline shell can be corroded off due to the alkaline steam explosion treatment under alkaline conditions, so that the polyaniline lamellar structure with an aminosilane macromolecular chain on the surface is formed, after the modified polyaniline is added into the modified polyurethane coating agent, the aminosilane contained in the No. 1 modified polyaniline can enable the skin feel fabric to have a glossy appearance and smooth skin feel, and the aminosilane macromolecular chain exists on the lamellar polyaniline, so that the scratch resistance of the polyurethane coating can be improved after the modified polyaniline is added;
secondly, the modified polyaniline is also provided with a No. 2 modified polyaniline, the No. 2 modified polyaniline is of a polyaniline hollow shell structure prepared by taking tetrapod-like zinc oxide whiskers as templates, and chitosan is used for crosslinking in the polyaniline shell, and the No. 2 modified polyaniline takes the tetrapod-like zinc oxide whiskers as templates, so that the polyaniline shell has a porous structure, after the modified polyaniline is added into the modified polyurethane coating agent, the water absorption performance of cotton fibers in the polyurethane coating can be improved, so that the water absorption rate of a product is improved, and the polyaniline shell is crosslinked by using chitosan and silicon dioxide under the action of glutaraldehyde, so that a water absorption crosslinked network can be formed in the polyaniline shell, and the water absorption rate of the product is further improved; meanwhile, due to the special structure of polyaniline, the binding force between the coating and the cotton fiber can be improved, and further the strength and the wrinkle resistance of the cotton fiber are improved.
Detailed Description
The technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In order to more clearly illustrate the method provided by the invention, the following examples are used for describing the detailed description, and the method for testing each index of the skin feel fabric manufactured in the following examples is as follows:
water absorption rate: the skin feel fabrics obtained in each example and the comparative example are soaked in water at 21 ℃ under the condition of the products, when all the skin feel fabrics are saturated with water, the weight gain is measured, and the water absorption rate is calculated according to the formula (1).
Water absorption = (weight after soaking-weight before soaking)/weight before soaking×100% (1)
Mechanical properties; the warp and weft breaking strength of the skin feel fabric obtained in each example and the comparative example product were measured by a universal tensile tester according to GB/T3923.
Hand feel rating: according to the subjective evaluation method, 30 experienced garment practitioners perform blind evaluation on the hand feeling of the skin feel fabric obtained in each embodiment and the comparative example product in a touch and rubbing mode, and the softness and smoothness are used as hand feeling indexes to evaluate in five grades, wherein the good and bad sequences are as follows: stage 1 >2 >3 >4 > 5.
Example 1
The skin feel fabric mainly comprises the following components in parts by weight: 70 parts of cotton fiber and 30 parts of modified polyurethane coating agent.
(1) The tetrapod-like zinc oxide whisker and tetraethoxysilane dispersion liquid are mixed according to the mass ratio of 1:8, mixing in a beaker, adding 0.2 times of dispersing agent polyvinylpyrrolidone with the mass of the tetrapod-like zinc oxide whisker into the beaker, stirring and mixing, adding 8% ammonia water with the mass fraction of 0.22 times of the volume of the materials in the beaker into the beaker, stirring and reacting for 2 hours at the temperature of 45 ℃, and filtering to obtain the pre-modified tetrapod-like zinc oxide whisker;
(2) Mixing the pre-modified tetrapod-like zinc oxide whisker obtained in the step (1) with gamma-aminopropyl triethoxysilane according to the mass ratio of 1:6, stirring and reacting for 4 hours at the temperature of 60 ℃, filtering to obtain modified tetrapod-like zinc oxide whisker, mixing the modified tetrapod-like zinc oxide whisker with aniline solution according to the mass ratio of 1:12 in a flask, adding 0.3 time of initiator potassium persulfate into the flask, stirring and reacting for 4.5 hours, adding p-toluenesulfonic acid with the mass of 0.2 time of the modified tetrapod-like zinc oxide whisker into the flask, continuing stirring and reacting for 2.5 hours, and filtering to obtain pre-modified polyaniline;
(3) Fumigating the pre-modified polyaniline obtained in the step (2) with 0.2mol/L hydrochloric acid steam for 2-3 hours to obtain a modified polyaniline blank, dividing the modified polyaniline blank into two parts, respectively marking the modified polyaniline blank as a No. 1 modified polyaniline blank and a No. 2 modified polyaniline blank, performing steam explosion treatment on the modified polyaniline blank No. 1 with alkaline steam with pH value of 12 to obtain modified polyaniline No. 1, mixing the modified polyaniline blank No. 2 and chitosan solution in a reaction kettle according to a mass ratio of 1:6, stirring and dispersing, adding glutaraldehyde with the mass of 0.3 times of the modified polyaniline blank into the reaction kettle, stirring and reacting, filtering to obtain a filter cake, drying the filter cake at 65 ℃ to obtain modified polyaniline No. 2, and mixing the modified polyaniline No. 1 and the modified polyaniline No. 2 to obtain the modified polyaniline;
(4) Sequentially weighing according to mass fraction: 12 parts of modified polyaniline obtained in the step (3), 15 parts of polyurethane emulsion, 4 parts of polyethylene wax emulsion and 50 parts of water, mixing the polyurethane emulsion and the polyethylene wax emulsion, adding water and the modified polyaniline, and stirring and mixing to obtain a modified polyurethane coating agent;
(5) The modified polymer obtained in the step (4) is polymerizedThe urethane coating agent is coated on the surface of the cotton fiber in a coating amount of 0.3 kg of modified polyurethane coating agent per 0.7 kg of cotton fiber, and then the cotton fiber is heated at high temperature to obtain skin-feel cotton fiber, and the skin-feel cotton fiber is woven to obtain the polyurethane coating agent with gram weight of 260g/m 2 Is a skin feel fabric.
As an optimization, the preparation method of the ethyl orthosilicate dispersion liquid in the step (1) comprises the steps of mixing ethyl orthosilicate with an ethanol solution with the mass fraction of 60% according to the mass ratio of 1:12, so as to obtain the ethyl orthosilicate dispersion liquid.
As optimization, the aniline solution in the step (2) is obtained by mixing aniline and absolute ethyl alcohol according to a mass ratio of 1:15.
As optimization, the chitosan solution in the step (3) is obtained by mixing chitosan with acetic acid solution with the mass fraction of 6% according to the mass ratio of 1:6.
As an optimization, the high-temperature heating treatment in the step (5) is carried out for 30min before drying at the temperature of 110 ℃, and then shaping at the temperature of 160 ℃ for 45min.
Preferably, the cotton fiber is mercerized cotton fiber.
Example 2
The skin feel fabric mainly comprises the following components in parts by weight: 70 parts of cotton fiber and 30 parts of modified polyurethane coating agent.
(1) The tetrapod-like zinc oxide whisker and tetraethoxysilane dispersion liquid are mixed according to the mass ratio of 1:8, mixing in a beaker, adding 0.2 times of dispersing agent polyvinylpyrrolidone with the mass of the tetrapod-like zinc oxide whisker into the beaker, stirring and mixing, adding 8% ammonia water with the mass fraction of 0.22 times of the volume of the materials in the beaker into the beaker, stirring and reacting for 2 hours at the temperature of 45 ℃, and filtering to obtain the pre-modified tetrapod-like zinc oxide whisker;
(2) Mixing the pre-modified tetrapod-like zinc oxide whisker obtained in the step (1) with gamma-aminopropyl triethoxysilane according to the mass ratio of 1:6, stirring and reacting for 4 hours at the temperature of 60 ℃, filtering to obtain modified tetrapod-like zinc oxide whisker, mixing the modified tetrapod-like zinc oxide whisker with aniline solution according to the mass ratio of 1:12 in a flask, adding 0.3 time of initiator potassium persulfate into the flask, stirring and reacting for 4.5 hours, adding p-toluenesulfonic acid with the mass of 0.2 time of the modified tetrapod-like zinc oxide whisker into the flask, continuing stirring and reacting for 2.5 hours, and filtering to obtain pre-modified polyaniline;
(3) Fumigating the pre-modified polyaniline obtained in the step (2) with 0.2mol/L hydrochloric acid steam for 2-3 hours to obtain modified polyaniline blank, mixing the modified polyaniline blank and chitosan solution in a reaction kettle according to a mass ratio of 1:6, stirring and dispersing, adding glutaraldehyde with the mass of 0.3 times of that of the modified polyaniline blank into the reaction kettle, stirring and reacting, filtering to obtain a filter cake, and drying the filter cake at 65 ℃ to obtain the modified polyaniline;
(4) Sequentially weighing according to mass fraction: 12 parts of modified polyaniline obtained in the step (3), 15 parts of polyurethane emulsion, 4 parts of polyethylene wax emulsion and 50 parts of water, mixing the polyurethane emulsion and the polyethylene wax emulsion, adding water and the modified polyaniline, and stirring and mixing to obtain a modified polyurethane coating agent;
(5) Coating the modified polyurethane coating agent obtained in the step (4) on the surface of cotton fiber with a coating amount of 0.3 kg of modified polyurethane coating agent per 0.7 kg of cotton fiber, heating at high temperature to obtain skin-feel cotton fiber, and weaving the skin-feel cotton fiber to obtain the polyurethane-feel cotton fiber with a gram weight of 260g/m 2 Is a skin feel fabric.
As an optimization, the preparation method of the ethyl orthosilicate dispersion liquid in the step (1) comprises the steps of mixing ethyl orthosilicate with an ethanol solution with the mass fraction of 60% according to the mass ratio of 1:12, so as to obtain the ethyl orthosilicate dispersion liquid.
As optimization, the aniline solution in the step (2) is obtained by mixing aniline and absolute ethyl alcohol according to a mass ratio of 1:15.
As optimization, the chitosan solution in the step (3) is obtained by mixing chitosan with acetic acid solution with the mass fraction of 6% according to the mass ratio of 1:6.
As an optimization, the high-temperature heating treatment in the step (5) is carried out for 30min before drying at the temperature of 110 ℃, and then shaping at the temperature of 160 ℃ for 45min.
Preferably, the cotton fiber is mercerized cotton fiber.
Example 3
The skin feel fabric mainly comprises the following components in parts by weight: 70 parts of cotton fiber and 30 parts of modified polyurethane coating agent.
(1) The tetrapod-like zinc oxide whisker and tetraethoxysilane dispersion liquid are mixed according to the mass ratio of 1:8, mixing in a beaker, adding 0.2 times of dispersing agent polyvinylpyrrolidone with the mass of the tetrapod-like zinc oxide whisker into the beaker, stirring and mixing, adding 8% ammonia water with the mass fraction of 0.22 times of the volume of the materials in the beaker into the beaker, stirring and reacting for 2 hours at the temperature of 45 ℃, and filtering to obtain the pre-modified tetrapod-like zinc oxide whisker;
(2) Mixing the pre-modified tetrapod-like zinc oxide whisker obtained in the step (1) with gamma-aminopropyl triethoxysilane according to the mass ratio of 1:6, stirring and reacting for 4 hours at the temperature of 60 ℃, filtering to obtain modified tetrapod-like zinc oxide whisker, mixing the modified tetrapod-like zinc oxide whisker with aniline solution according to the mass ratio of 1:12 in a flask, adding 0.3 time of initiator potassium persulfate into the flask, stirring and reacting for 4.5 hours, adding p-toluenesulfonic acid with the mass of 0.2 time of the modified tetrapod-like zinc oxide whisker into the flask, continuing stirring and reacting for 2.5 hours, and filtering to obtain pre-modified polyaniline;
(3) Fumigating the pre-modified polyaniline obtained in the step (2) with 0.2mol/L hydrochloric acid steam for 2-3 hours to obtain modified polyaniline blank, and performing steam explosion treatment on the modified polyaniline blank with alkaline steam with pH value of 12 to obtain modified polyaniline;
(4) Sequentially weighing according to mass fraction: 12 parts of modified polyaniline obtained in the step (3), 15 parts of polyurethane emulsion, 4 parts of polyethylene wax emulsion and 50 parts of water, mixing the polyurethane emulsion and the polyethylene wax emulsion, adding water and the modified polyaniline, and stirring and mixing to obtain a modified polyurethane coating agent;
(5) Coating the modified polyurethane coating agent obtained in the step (4) on the surface of cotton fiber with a coating amount of 0.3 kg of modified polyurethane coating agent per 0.7 kg of cotton fiber, heating at high temperature to obtain skin-feel cotton fiber, and weaving the skin-feel cotton fiber to obtain the polyurethane-feel cotton fiber with a gram weight of 260g/m 2 Skin feel fabric of (C)。
As an optimization, the preparation method of the ethyl orthosilicate dispersion liquid in the step (1) comprises the steps of mixing ethyl orthosilicate with an ethanol solution with the mass fraction of 60% according to the mass ratio of 1:12, so as to obtain the ethyl orthosilicate dispersion liquid.
As optimization, the aniline solution in the step (2) is obtained by mixing aniline and absolute ethyl alcohol according to a mass ratio of 1:15.
As optimization, the chitosan solution in the step (3) is obtained by mixing chitosan with acetic acid solution with the mass fraction of 6% according to the mass ratio of 1:6.
As an optimization, the high-temperature heating treatment in the step (5) is carried out for 30min before drying at the temperature of 110 ℃, and then shaping at the temperature of 160 ℃ for 45min.
Preferably, the cotton fiber is mercerized cotton fiber.
Comparative example
The skin feel fabric mainly comprises the following components in parts by weight: 70 parts of cotton fiber and 30 parts of modified polyurethane coating agent.
(1) The tetrapod-like zinc oxide whisker and tetraethoxysilane dispersion liquid are mixed according to the mass ratio of 1:8, mixing in a beaker, adding 0.2 times of dispersing agent polyvinylpyrrolidone with the mass of the tetrapod-like zinc oxide whisker into the beaker, stirring and mixing, adding 8% ammonia water with the mass fraction of 0.22 times of the volume of the materials in the beaker into the beaker, stirring and reacting for 2 hours at the temperature of 45 ℃, and filtering to obtain the pre-modified tetrapod-like zinc oxide whisker;
(2) Mixing the pre-modified tetrapod-like zinc oxide whisker obtained in the step (1) with gamma-aminopropyl triethoxysilane according to the mass ratio of 1:6, stirring and reacting for 4 hours at the temperature of 60 ℃, filtering to obtain modified tetrapod-like zinc oxide whisker, mixing the modified tetrapod-like zinc oxide whisker with aniline solution according to the mass ratio of 1:12 in a flask, adding 0.3 time of initiator potassium persulfate into the flask, stirring and reacting for 4.5 hours, adding p-toluenesulfonic acid with the mass of 0.2 time of the modified tetrapod-like zinc oxide whisker into the flask, continuing stirring and reacting for 2.5 hours, and filtering to obtain modified polyaniline;
(3) Sequentially weighing according to mass fraction: 12 parts of modified polyaniline obtained in the step (2), 15 parts of polyurethane emulsion, 4 parts of polyethylene wax emulsion and 50 parts of water, mixing the polyurethane emulsion and the polyethylene wax emulsion, adding water and the modified polyaniline, and stirring and mixing to obtain a modified polyurethane coating agent;
(4) Coating the modified polyurethane coating agent obtained in the step (3) on the surface of cotton fiber with the coating amount of 0.3 kg of modified polyurethane coating agent per 0.7 kg of cotton fiber, heating at high temperature to obtain skin-feel cotton fiber, and weaving the skin-feel cotton fiber to obtain the polyurethane-feel cotton fiber with the gram weight of 260g/m 2 Is a skin feel fabric.
As an optimization, the preparation method of the ethyl orthosilicate dispersion liquid in the step (1) comprises the steps of mixing ethyl orthosilicate with an ethanol solution with the mass fraction of 60% according to the mass ratio of 1:12, so as to obtain the ethyl orthosilicate dispersion liquid.
As optimization, the aniline solution in the step (2) is obtained by mixing aniline and absolute ethyl alcohol according to a mass ratio of 1:15.
As an optimization, the high-temperature heating treatment in the step (4) is carried out for 30min before drying at the temperature of 110 ℃, and then shaping at the temperature of 160 ℃ for 45min.
Preferably, the cotton fiber is mercerized cotton fiber.
Effect example
The following table 1 gives the results of performance analysis of skin feel fabrics using examples 1 to 4 of the present invention and comparative examples.
TABLE 1
As can be seen from comparison of experimental data of example 1 and comparative example in Table 1, when preparing skin feel fabric, the addition of modified polyaniline prepared from modified polyaniline No. 1 and modified polyaniline No. 2 to the modified polyurethane coating agent can effectively improve the hand feel grade and water absorption rate of the skin feel fabric; from comparison of experimental data of example 1 and example 2, it was found that the feel of the skin feel fabric produced was poor when no modified polyaniline No. 1 was added to the modified polyurethane coating agent, and that the water permeability of the coating layer was poor when no modified polyaniline No. 2 was added to the modified polyurethane coating agent, compared with experimental data of example 1 and example 3, so that the water absorption rate of the skin feel fabric was severely lowered.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (1)
1. The utility model provides a skin feel surface fabric which characterized in that: the weight portions of the components are as follows: 70 parts of cotton fiber and 30 parts of modified polyurethane coating agent;
the preparation method of the skin feel fabric comprises the following steps:
(1) The tetrapod-like zinc oxide whisker and tetraethoxysilane dispersion liquid are mixed according to the mass ratio of 1:8, mixing in a beaker, adding 0.2 times of dispersing agent polyvinylpyrrolidone with the mass of the tetrapod-like zinc oxide whisker into the beaker, stirring and mixing, adding 8% ammonia water with the mass fraction of 0.22 times of the volume of the materials in the beaker into the beaker, stirring and reacting for 2 hours at the temperature of 45 ℃, and filtering to obtain the pre-modified tetrapod-like zinc oxide whisker;
(2) Mixing the pre-modified tetrapod-like zinc oxide whisker obtained in the step (1) with gamma-aminopropyl triethoxysilane according to a mass ratio of 1:6, stirring and reacting for 4 hours at a temperature of 60 ℃, filtering to obtain modified tetrapod-like zinc oxide whisker, mixing the modified tetrapod-like zinc oxide whisker with aniline solution according to a mass ratio of 1:12 in a flask, adding potassium persulfate serving as an initiator with the mass of 0.3 times of the modified tetrapod-like zinc oxide whisker into the flask, stirring and reacting for 4.5 hours, adding p-toluenesulfonic acid with the mass of 0.2 times of the modified tetrapod-like zinc oxide whisker into the flask, continuously stirring and reacting for 2.5 hours, and filtering to obtain pre-modified polyaniline;
(3) Fumigating the pre-modified polyaniline obtained in the step (2) with 0.2mol/L hydrochloric acid steam for 2-3 hours to obtain a modified polyaniline blank, dividing the modified polyaniline blank into two parts, respectively marking the modified polyaniline blank as a No. 1 modified polyaniline blank and a No. 2 modified polyaniline blank, performing steam explosion treatment on the modified polyaniline blank No. 1 with alkaline steam with pH value of 12 to obtain modified polyaniline No. 1, mixing the modified polyaniline blank No. 2 and chitosan solution in a reaction kettle according to a mass ratio of 1:6, stirring and dispersing, adding glutaraldehyde with the mass of 0.3 times of the modified polyaniline blank into the reaction kettle, stirring and reacting, filtering to obtain a filter cake, drying the filter cake at 65 ℃ to obtain modified polyaniline No. 2, and mixing the modified polyaniline No. 1 and the modified polyaniline No. 2 to obtain the modified polyaniline;
(4) Sequentially weighing according to mass fraction: 12 parts of modified polyaniline obtained in the step (3), 15 parts of polyurethane emulsion, 4 parts of polyethylene wax emulsion and 50 parts of water, mixing the polyurethane emulsion and the polyethylene wax emulsion, adding water and the modified polyaniline, and stirring and mixing to obtain a modified polyurethane coating agent;
(5) Coating the modified polyurethane coating agent obtained in the step (4) on the surface of cotton fiber with a coating amount of 0.3 kg of modified polyurethane coating agent per 0.7 kg of cotton fiber, heating at high temperature to obtain skin-feel cotton fiber, and weaving the skin-feel cotton fiber to obtain the polyurethane-feel cotton fiber with a gram weight of 260g/m 2 Is a skin feel fabric;
the preparation method of the ethyl orthosilicate dispersion liquid in the step (1) comprises the steps of mixing ethyl orthosilicate with an ethanol solution with the mass fraction of 60% according to the mass ratio of 1:12 to obtain the ethyl orthosilicate dispersion liquid;
the aniline solution in the step (2) is obtained by mixing aniline and absolute ethyl alcohol according to a mass ratio of 1:15;
the chitosan solution in the step (3) is obtained by mixing chitosan with acetic acid solution with the mass fraction of 6% according to the mass ratio of 1:6;
the conditions of the high-temperature heating treatment in the step (5) are that the material is dried for 30min at the temperature of 110 ℃ and then shaped for 45min at the temperature of 160 ℃;
the cotton fiber is mercerized cotton fiber.
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