CN116219760A - Novel lasting cool sense breathable fabric, preparation method and application thereof - Google Patents
Novel lasting cool sense breathable fabric, preparation method and application thereof Download PDFInfo
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- CN116219760A CN116219760A CN202310332452.9A CN202310332452A CN116219760A CN 116219760 A CN116219760 A CN 116219760A CN 202310332452 A CN202310332452 A CN 202310332452A CN 116219760 A CN116219760 A CN 116219760A
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- fabric
- breathable
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- 239000004744 fabric Substances 0.000 title claims abstract description 80
- 230000002045 lasting effect Effects 0.000 title claims abstract description 24
- 238000002360 preparation method Methods 0.000 title claims abstract description 9
- 239000012948 isocyanate Substances 0.000 claims abstract description 60
- 150000002513 isocyanates Chemical class 0.000 claims abstract description 52
- 238000007639 printing Methods 0.000 claims abstract description 43
- 239000004721 Polyphenylene oxide Substances 0.000 claims abstract description 28
- 229920000570 polyether Polymers 0.000 claims abstract description 28
- 229920005862 polyol Polymers 0.000 claims abstract description 28
- -1 sodium bisulphite compound Chemical class 0.000 claims abstract description 22
- 235000010267 sodium hydrogen sulphite Nutrition 0.000 claims abstract description 20
- 239000004289 sodium hydrogen sulphite Substances 0.000 claims abstract description 20
- 238000000034 method Methods 0.000 claims abstract description 14
- 239000011248 coating agent Substances 0.000 claims abstract description 7
- 238000000576 coating method Methods 0.000 claims abstract description 7
- 239000004753 textile Substances 0.000 claims abstract description 7
- 150000001875 compounds Chemical class 0.000 claims abstract description 6
- 125000002843 carboxylic acid group Chemical group 0.000 claims abstract description 5
- 238000004043 dyeing Methods 0.000 claims abstract description 5
- 238000004806 packaging method and process Methods 0.000 claims abstract description 5
- 238000000465 moulding Methods 0.000 claims abstract description 3
- 239000010410 layer Substances 0.000 claims description 56
- 150000003077 polyols Chemical class 0.000 claims description 20
- 238000001035 drying Methods 0.000 claims description 19
- DWAQJAXMDSEUJJ-UHFFFAOYSA-M Sodium bisulfite Chemical compound [Na+].OS([O-])=O DWAQJAXMDSEUJJ-UHFFFAOYSA-M 0.000 claims description 17
- 239000000463 material Substances 0.000 claims description 9
- 229920000728 polyester Polymers 0.000 claims description 6
- 230000000903 blocking effect Effects 0.000 claims description 3
- 239000007864 aqueous solution Substances 0.000 claims description 2
- 238000009954 braiding Methods 0.000 claims description 2
- 239000011247 coating layer Substances 0.000 claims description 2
- 229920001971 elastomer Polymers 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 229920003023 plastic Polymers 0.000 claims description 2
- 239000004033 plastic Substances 0.000 claims description 2
- 239000011347 resin Substances 0.000 claims description 2
- 229920005989 resin Polymers 0.000 claims description 2
- 229920001187 thermosetting polymer Polymers 0.000 claims description 2
- 238000005470 impregnation Methods 0.000 claims 1
- 239000000203 mixture Substances 0.000 abstract description 47
- 238000006243 chemical reaction Methods 0.000 abstract description 10
- 108010025899 gelatin film Proteins 0.000 abstract description 4
- 238000007789 sealing Methods 0.000 abstract 1
- 238000012360 testing method Methods 0.000 description 36
- 238000005303 weighing Methods 0.000 description 28
- 238000001816 cooling Methods 0.000 description 23
- 239000003054 catalyst Substances 0.000 description 21
- 238000003756 stirring Methods 0.000 description 21
- 230000000694 effects Effects 0.000 description 18
- 239000008367 deionised water Substances 0.000 description 14
- 229910021641 deionized water Inorganic materials 0.000 description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 14
- 229920002635 polyurethane Polymers 0.000 description 10
- 239000004814 polyurethane Substances 0.000 description 10
- 239000000243 solution Substances 0.000 description 10
- 230000000052 comparative effect Effects 0.000 description 9
- 238000002156 mixing Methods 0.000 description 9
- 238000001514 detection method Methods 0.000 description 7
- 238000010021 flat screen printing Methods 0.000 description 7
- 239000002002 slurry Substances 0.000 description 7
- 239000007787 solid Substances 0.000 description 7
- 238000009423 ventilation Methods 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 5
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 3
- 230000000844 anti-bacterial effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000001877 deodorizing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005485 electric heating Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- WBHQBSYUUJJSRZ-UHFFFAOYSA-M sodium bisulfate Chemical compound [Na+].OS([O-])(=O)=O WBHQBSYUUJJSRZ-UHFFFAOYSA-M 0.000 description 1
- 229910000342 sodium bisulfate Inorganic materials 0.000 description 1
- 229910001415 sodium ion Inorganic materials 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
Images
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0002—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate
- D06N3/0009—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate using knitted fabrics
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0002—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate
- D06N3/0015—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate using fibres of specified chemical or physical nature, e.g. natural silk
- D06N3/0036—Polyester fibres
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/007—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by mechanical or physical treatments
- D06N3/0077—Embossing; Pressing of the surface; Tumbling and crumbling; Cracking; Cooling; Heating, e.g. mirror finish
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/12—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins
- D06N3/14—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/12—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins
- D06N3/14—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes
- D06N3/147—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes characterised by the isocyanates used
- D06N3/148—(cyclo)aliphatic polyisocyanates
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2209/00—Properties of the materials
- D06N2209/12—Permeability or impermeability properties
- D06N2209/121—Permeability to gases, adsorption
- D06N2209/123—Breathable
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2209/00—Properties of the materials
- D06N2209/14—Properties of the materials having chemical properties
- D06N2209/141—Hydrophilic
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
- Y02P70/62—Manufacturing or production processes characterised by the final manufactured product related technologies for production or treatment of textile or flexible materials or products thereof, including footwear
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Dispersion Chemistry (AREA)
- Coloring (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Abstract
The invention relates to the technical field of textile printing and dyeing, in particular to a novel lasting cool sense breathable fabric, a preparation method and application thereof, wherein isocyanate is firstly subjected to end-sealing treatment by adopting a sodium bisulphite compound, then mixed and treated before being cured with a compound containing a carboxylic acid group or a polyether polyol compound, and then the mixture is subjected to deblocking after being heated at a high temperature, and the two are subjected to curing reaction to generate a lasting cool sense gel film; the method comprises the following steps: step one, preparing continuous cool sense gel; step two, preparing sandwich fabrics; step three, printing, coating and impregnating; step four, molding; and fifthly, packaging.
Description
Technical Field
The invention relates to the technical field of textile printing and dyeing, in particular to a novel lasting cool sense breathable fabric, a preparation method and application thereof.
Background
In order to reduce the influence of hot weather on people, the breathable sportswear fabric disclosed in the patent of the invention with the publication number of CN113290960B is developed, mainly comprises a base cloth layer, an antibacterial deodorizing layer, a wear-resistant layer and other structures, and has the characteristics of wrinkle resistance, antibacterial property, wear resistance and the like when in use, but has poor cooling effect;
the polyurethane gel has good continuous cooling effect, is applied to products such as sponge bedding, cushions, back cushions and the like, but in the production process, as the multicomponent raw materials react rapidly after being mixed, the initial viscosity and the solidification time are uncontrollable, the polyurethane gel is only suitable for injecting the multicomponent raw materials into a grinding tool respectively for solidification forming process, and then is attached to the sponge, the cushions and the back, the process is complex, the cost is high, the polyurethane gel is difficult to be used in the textile field, and the practicability is poor;
therefore, a novel lasting cool sense breathable fabric, a preparation method and application thereof are needed to improve the existing textiles.
Disclosure of Invention
In order to solve the technical problems, the invention provides the novel continuous cool sense breathable fabric, which is prepared by adopting the sodium bisulphite compound to carry out end-capping treatment on isocyanate, then carrying out mixing and treatment before curing with the carboxylic acid group-containing compound or polyether polyol compound, and then carrying out deblocking after high-temperature heating, and carrying out curing reaction on the isocyanate and the compound to generate the continuous cool sense gel film.
The invention relates to a preparation method of a novel lasting cool sense breathable fabric, which comprises the following steps:
step one, preparation of continuous cool sense gel
Blocking the isocyanate by sodium bisulphite, pre-curing the blocked isocyanate by a compound containing a carboxylic acid group or a polyether polyol compound, so that the curing process of the isocyanate resin gel is controllable, and standing for 60 minutes for deaeration for later use;
step two, preparing sandwich fabric
Preparing a surface yarn layer, a supporting breathable layer and a bottom yarn layer by using a braiding machine, and enabling the surface yarn layer to be positioned on the supporting breathable layer, wherein the supporting breathable layer is positioned between the surface yarn layer and the bottom yarn layer to form a sandwich fabric;
step three, printing, coating and impregnating
Printing, coating and impregnating the top surface of the surface silk layer of the sandwich fabric by using a printing machine, and printing the continuous cool feeling gel on the top surface of the surface silk layer of the sandwich fabric;
step four, molding
Pre-baking at 100-140 ℃ for 3-10 minutes, baking again at 130-160 ℃ for 5-15 minutes, deblocking blocked isocyanate, and curing with a printing and dyeing surface containing carboxylic acid compounds or polyether polyol compounds to form a thermosetting continuous cool gel coating layer by continuous cool gel, so as to form a coated gel sandwich fabric with remarkable continuous cool function;
step five, packaging
Packaging and warehousing the finished fabric.
Preferably, the middle filament layer in the second step consists of 2 fully drawn polyester filaments FDY, the fineness is between 50D and 500D, the supporting breathable layer consists of fully drawn polyester filaments FDY, the fineness is between 24D and 300D, the bottom filament layer consists of fully drawn polyester filaments FDY, and the fineness is between 50D and 500D.
Preferably, the isocyanate in the first step may be aliphatic isocyanate, aromatic isocyanate, or a mixture of aliphatic isocyanate and aromatic isocyanate in any ratio.
Preferably, in the first step, the mass part ratio of the sodium bisulphite to the isocyanate is 1-1.2:1, and the mass part ratio of the polyether polyol to the isocyanate is 100:15-25.
Preferably, the isocyanate system in step one is hydrophilic and soluble in aqueous solution.
Preferably, in the fourth step, the pre-baking is performed at 100-120 ℃ for 3-6 minutes, and then the baking is performed at 130-150 ℃ for 5-10 minutes.
The novel lasting cool sense breathable fabric comprises a lasting cool sense gel layer and a sandwich fabric, wherein the bottom end of the lasting cool sense gel layer is connected with the top end of the sandwich fabric.
Preferably, the gram weight of the breathable sandwich fabric is between 100 grams per square meter and 1000 grams per square meter.
Preferably, the sandwich fabric comprises a surface yarn layer, a supporting ventilation layer and a bottom yarn layer, wherein the bottom end of the continuous cool sense gel layer is connected with the top end of the surface yarn layer, the bottom end of the surface yarn layer is connected with the top end of the supporting ventilation layer, and the top end of the bottom yarn layer is connected with the bottom end of the supporting ventilation layer.
Preferably, the supporting and ventilation layer has a loose and ventilation mesh structure
The application of the novel lasting cool breathable fabric can be used in textile fabric or clothing industry, and is also suitable for printing, coating and impregnating processes in the fields of sponge, paper and rubber and plastic.
Compared with the prior art, the invention has the beneficial effects that:
1. the method comprises the steps of carrying out end-capping treatment on isocyanate by adopting a sodium bisulphite compound, then mixing and treating the isocyanate with a compound containing a carboxylic acid group or a polyether polyol compound before curing, deblocking the isocyanate after high-temperature heating, and carrying out curing reaction on the isocyanate and the polyether polyol compound to generate a continuous cool gel film, so that the method is applied to the textile field;
2. the sandwich fabric and the continuous cool sense gel film are matched for use, so that the heat absorption and cooling effects of the fabric are improved;
3. the process in the first step reduces the difficulty of curing control of the printing and dyeing material containing isocyanate.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a graph showing the change of the comparative test duration cold temperature in example 1 of the present invention;
FIG. 3 is a graph showing the change of the comparative test duration cold temperature in example 2 of the present invention;
FIG. 4 is a graph showing the change of the comparative test duration cold temperature in example 3 of the present invention;
FIG. 5 is a graph showing the change of the comparative test duration cold temperature in example 4 of the present invention;
FIG. 6 is a graph showing the change of the comparative test duration cold temperature in example 5 of the present invention;
FIG. 7 is a graph showing the change of the comparative test duration cold temperature in example 6 of the present invention;
FIG. 8 is a graph showing the change of the comparative test duration cold temperature in example 7 of the present invention;
the reference numerals in the drawings: 1. a continuous cool feel gel layer; 2. a surface silk layer; 3. supporting a ventilation layer; 4. and a bottom silk layer.
Detailed Description
In order that the invention may be readily understood, a more complete description of the invention will be rendered by reference to the appended drawings. This invention may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
As shown in fig. 1 to 8:
example 1
S1, weighing 50 parts by weight of deionized water, slowly adding 50 parts by weight of sodium bisulphite solid, and completely dissolving in a stirring state;
s2, weighing 200 parts by weight of 330N isocyanate, slowly adding the isocyanate into the S1 solution, uniformly stirring the mixture for 40 minutes at the temperature of less than 35 ℃ and carrying out end-capping treatment;
s3, weighing 80 parts by weight of polyether polyol with the model of 5065, 0.2 part by weight of catalyst with the model of A20 and 0.3 part by weight of catalyst with the model of A50, adding the catalyst into the mixture, weighing 19.5 parts by weight of the mixture prepared in the S2, mixing, adding a proper amount of deionized water, adjusting to a viscosity suitable for printing, stirring uniformly for 30 minutes at the temperature of less than 35 ℃, and standing for 60 minutes for defoaming for later use;
s4, taking 100 meters of sandwich fabric with the weight of 190 g/square meter, processing the sandwich fabric by using a flat screen printing machine, printing the mixture which is pretreated in the S3 in a full-land printing mode, pouring the mixture into a slurry barrel, printing the sandwich fabric, pre-baking the mixture, setting the temperature of an oven to be 110 ℃, setting the length of the oven to be 40 meters, passing through the oven at the speed of 10 meters/second, drying the fabric, baking the printed surface, setting the temperature of the oven to be 130 ℃, setting the length of the oven to be 40 meters, and passing through the oven at the speed of 8 meters/second, drying the printed surface to form a film, thereby obtaining the coated gel sandwich fabric with polyurethane as a film forming material and remarkable continuous cool feeling function;
s5, using a Japan DAIEI company to contact a cold and warm sensing test instrument, namely, model KES-F7, placing a temperature sensor on an electric heating plate in a constant temperature and humidity environment with the relative humidity of 65% at 20 ℃ to enable the temperature of the temperature sensor to rise to 40 ℃, and meanwhile, placing a test sample on another heating plate, wherein the temperature of the heating plate is set to be the same as the ambient temperature of 20 ℃, after the temperature sensor is constant at 40 ℃, rapidly moving the temperature sensor onto the test sample, and continuously testing the temperature change of the sensor for 3 minutes, wherein the instrument automatically records the test result every 0.1S;
s6, testing the gel processed product prepared in the step S4 by using the testing method in the step S5, and comparing the gel processed product with a non-gel processed product to test a temperature time change curve (figure 2);
the same detection time point is selected, and the instrument records the temperature change of the gel processed product and the non-gel processed product, and the comparison is as follows:
| |
1# testProduct(s) | |
|
| 0 | 40 | 40 | 0 |
| 2 | 39.89 | 39.88 | 0.01 |
| 4 | 39.28 | 38.82 | 0.46 |
| 6 | 39.03 | 38.28 | 0.75 |
| 8 | 38.82 | 37.78 | 1.04 |
| 10 | 38.6 | 37.81 | 0.79 |
| 14 | 38.29 | 37.34 | 0.95 |
| 18 | 38.01 | 36.98 | 1.03 |
| 24 | 37.46 | 36.51 | 0.95 |
| 30 | 36.99 | 36 | 0.99 |
| 60 | 34.85 | 34.01 | 0.84 |
| 90 | 33.04 | 32.31 | 0.73 |
| 120 | 31.45 | 30.79 | 0.66 |
| 180 | 28.78 | 28.35 | 0.43 |
| 240 | 26.77 | 26.46 | 0.31 |
| 300 | 25.21 | 25.05 | 0.16 |
As can be seen from the table, the maximum temperature difference between the gel processed product and the unprocessed product is 1.03 ℃, and the temperature difference is more than 3 minutes continuously, so that the gel processed product has the continuous cooling effect, but the continuous cooling function is not obvious.
Example 2
S1, weighing 100 parts by weight of deionized water, slowly adding 100 parts by weight of sodium bisulphite solid, and completely dissolving in a stirring state;
s2, weighing 200 parts by weight of 330N isocyanate, slowly adding the isocyanate into the S1 solution, uniformly stirring the mixture for 40 minutes at the temperature of less than 35 ℃ and carrying out end-capping treatment;
s3, weighing 80 parts by weight of polyether polyol with the model of 5065, 0.2 part by weight of catalyst with the model of A20 and 0.3 part by weight of catalyst with the model of A50, adding the catalyst into the mixture, weighing 19.5 parts by weight of the mixture prepared in the S2, mixing, adding a proper amount of deionized water, adjusting to a viscosity suitable for printing, stirring uniformly for 30 minutes at the temperature of less than 35 ℃, and standing for 60 minutes for defoaming for later use;
s4, taking 100 meters of sandwich fabric with the weight of 190 g/square meter, processing the sandwich fabric by using a flat screen printing machine, printing the mixture which is pretreated in the S3 in a full-land printing mode, pouring the mixture into a slurry barrel, printing the sandwich fabric, pre-baking the mixture, setting the temperature of an oven to be 110 ℃, setting the length of the oven to be 40 meters, passing through the oven at the speed of 10 meters/second, drying the fabric, baking the printed surface, setting the temperature of the oven to be 130 ℃, setting the length of the oven to be 40 meters, and passing through the oven at the speed of 8 meters/second, drying the printed surface to form a film, thereby obtaining the coated gel sandwich fabric with polyurethane as a film forming material and remarkable continuous cool feeling function;
s5, testing the gel processed product prepared in the step S4 by using the testing method in the embodiment 1, and comparing the gel processed product with a non-gel processed product to test a temperature time change curve (figure 3);
the same detection time point is selected, and the instrument records the temperature change of the gel processed product and the non-gel processed product, and the comparison is as follows:
as can be seen from the table, the maximum temperature difference between the gel processed product and the unprocessed product is 4.92 ℃, and the continuous temperature difference is 1 ℃ for more than 3 minutes, so that the gel processed product has the continuous obvious cooling effect and the continuous cool feeling function is obvious.
Example 3
S1, weighing 100 parts by weight of deionized water, slowly adding 100 parts by weight of sodium bisulphite solid, and completely dissolving in a stirring state;
s2, weighing 50 parts by weight of 330N isocyanate, slowly adding the isocyanate into the S1 solution, uniformly stirring the mixture for 40 minutes at the temperature of less than 35 ℃ and carrying out end-capping treatment;
s3, weighing 80 parts by weight of polyether polyol with the model of 5065, 0.2 part by weight of catalyst with the model of A20 and 0.3 part by weight of catalyst with the model of A50, adding the catalyst into the mixture, weighing 19.5 parts by weight of the mixture prepared in the S2, mixing, adding a proper amount of deionized water, adjusting to a viscosity suitable for printing, stirring uniformly for 30 minutes at the temperature of less than 35 ℃, and standing for 60 minutes for defoaming for later use;
s4, taking 100 meters of sandwich fabric with the weight of 190 g/square meter, processing the sandwich fabric by using a flat screen printing machine, printing the mixture which is pretreated in the S3 in a full-land printing mode, pouring the mixture into a slurry barrel, printing the sandwich fabric, pre-baking the mixture, setting the temperature of an oven to be 110 ℃, setting the length of the oven to be 40 meters, passing through the oven at the speed of 10 meters/second, drying the fabric, baking the printed surface, setting the temperature of the oven to be 130 ℃, setting the length of the oven to be 40 meters, and passing through the oven at the speed of 8 meters/second, drying the printed surface to form a film, thereby obtaining the coated gel sandwich fabric with polyurethane as a film forming material and remarkable continuous cool feeling function;
s5, testing the gel processed product obtained in the step S4 by using the testing method in the embodiment 1, comparing the gel processed product with a non-gel processed product, and drawing a temperature time change curve (figure 4);
the same detection time point is selected, and the instrument records the temperature change of the gel processed product and the non-gel processed product, and the comparison is as follows:
as can be seen from the table, the maximum temperature difference between the gel processed product and the unprocessed product is 1.95 ℃, and the temperature difference is more than 3 minutes continuously, so that the gel processed product has the continuous cooling effect, but the continuous cooling function is not obvious.
As can be seen from comparative examples 1, 2 and 3, other conditions are unchanged, the mass part ratio of sodium bisulphite to isocyanate is changed, the test cooling effect is greatly different, the analysis reasons are that, in example 1, the sodium bisulphite solution has insufficient HSO 3-mole number to cause insufficient blocking of isocyanate, after deblocking, the sodium bisulphite solution has insufficient reaction with polyether polyol to generate a small amount of gel, therefore, the cooling effect is not ideal, in example 3, since the mole number of isocyanate groups-NCO is insufficient, the reaction is insufficient, a large amount of free bisulphite ions and sodium ions are mixed in the mixture, after the deblocking of isocyanate is influenced, the sodium bisulphite solution reacts with the polyether polyol to generate a small amount of gel, therefore, the cooling effect is also not ideal, in example 2, the mole ratio of HSO3 to NCO is 1.2:1, the sodium bisulphite fully reacts with isocyanate to be fully blocked, after deblocking by heating, the sodium bisulphite fully reacts with polyether polyol to generate gel, and therefore, the optimal reaction mole ratio of HSO3 to NCO is 1-1.2:1
Example 4
S1, weighing 100 parts by weight of deionized water, slowly adding 100 parts by weight of sodium bisulphite solid, and completely dissolving in a stirring state;
s2, weighing 200 parts by weight of 330N isocyanate, slowly adding the isocyanate into the S1 solution, uniformly stirring the mixture for 40 minutes at the temperature of less than 35 ℃ and carrying out end capping treatment.
S3, weighing 60 parts by weight of polyether polyol with the model of 5065, 0.2 part by weight of catalyst with the model of A20 and 0.3 part by weight of catalyst with the model of A50, adding the catalyst into the mixture, weighing 39.5 parts by weight of the mixture prepared in the S2, mixing, adding a proper amount of deionized water, adjusting to a viscosity suitable for printing, stirring uniformly for 30 minutes at the temperature of less than 35 ℃, and standing for 60 minutes for defoaming for later use;
s5, taking 100 meters of sandwich fabric with the weight of 190 g/square meter, processing the sandwich fabric by using a flat screen printing machine, printing the mixture which is pretreated in the S4 into a slurry barrel, printing the mixture on the sandwich fabric, pre-baking the mixture, setting the temperature of an oven to 110 ℃, setting the length of the oven to 40 meters, passing through the oven at the speed of 10 meters/second, drying the fabric, baking the printed surface, setting the temperature of the oven to 130 ℃, setting the length of the oven to 40 meters, and passing through the oven at the speed of 8 meters/second, drying the printed surface to form a film, thereby obtaining the coated gel sandwich fabric with polyurethane as a film forming material and remarkable continuous cool feeling function;
s6, testing the gel processed product obtained in the step S5 by using the testing method in the first embodiment, and comparing the gel processed product with a non-gel processed product to test a temperature time change curve (figure 5);
the same detection time point is selected, and the instrument records the temperature change of the gel processed product and the non-gel processed product, and the comparison is as follows:
as can be seen from the table, the maximum temperature difference between the gel processed product and the unprocessed product is 3.05 ℃, and the continuous temperature difference is more than 3 minutes, so that the gel processed product has the continuous obvious cooling effect and the continuous cooling function is obvious.
Example 5
S1, weighing 100 parts by weight of deionized water, slowly adding 100 parts by weight of sodium bisulphite solid, and completely dissolving in a stirring state;
s2, weighing 200 parts by weight of 330N isocyanate, slowly adding the isocyanate into the S1 solution, uniformly stirring the mixture for 40 minutes at the temperature of less than 35 ℃ and carrying out end-capping treatment;
s3, weighing 75 parts by weight of polyether polyol with the model of 5065, 0.2 part by weight of catalyst with the model of A20 and 0.3 part by weight of catalyst with the model of A50, adding the catalyst into the mixture, weighing 24.5 parts by weight of the mixture prepared in the S3, mixing, adding a proper amount of deionized water, adjusting to a viscosity suitable for printing, stirring uniformly for 30 minutes at the temperature of less than 35 ℃, and standing for 60 minutes for defoaming for later use;
s4, taking 100 meters of sandwich fabric with the weight of 190 g/square meter, processing the sandwich fabric by using a flat screen printing machine, printing the mixture which is pretreated in the S3 in a full-land printing mode, pouring the mixture into a slurry barrel, printing the sandwich fabric, pre-baking the mixture, setting the temperature of an oven to be 110 ℃, setting the length of the oven to be 40 meters, passing through the oven at the speed of 10 meters/second, drying the fabric, baking the printed surface, setting the temperature of the oven to be 130 ℃, setting the length of the oven to be 40 meters, and passing through the oven at the speed of 8 meters/second, drying the printed surface to form a film, thereby obtaining the coated gel sandwich fabric with polyurethane as a film forming material and remarkable continuous cool feeling function;
s5, testing the gel processed product prepared in the step S4 by using the testing method in the first embodiment, and comparing the gel processed product with a non-gel processed product to test a temperature time change curve (figure 6);
the same detection time point is selected, and the instrument records the temperature change of the gel processed product and the non-gel processed product, and the comparison is as follows:
as can be seen from the table, the maximum temperature difference between the gel processed product and the unprocessed product is 4.1 ℃, and the continuous temperature difference is more than 3 minutes, so that the gel processed product has the continuous obvious cooling effect and the continuous cooling function is obvious.
Example 6
S1, weighing 100 parts by weight of deionized water, slowly adding 100 parts by weight of sodium bisulphite solid, and completely dissolving in a stirring state;
s2, weighing 200 parts by weight of 330N isocyanate, slowly adding the isocyanate into the S1 solution, uniformly stirring the mixture for 40 minutes at the temperature of less than 35 ℃ and carrying out end-capping treatment;
s3, weighing 70 parts by weight of polyether polyol with the model of 5065, 0.2 part by weight of catalyst with the model of A20 and 0.3 part by weight of catalyst with the model of A50, adding the catalyst into the mixture, weighing 29.5 parts by weight of the mixture prepared in the S2, mixing, adding a proper amount of deionized water, adjusting to a viscosity suitable for printing, stirring uniformly for 30 minutes at the temperature of less than 35 ℃, and standing for 60 minutes for defoaming for later use;
s4, taking 100 meters of sandwich fabric with the weight of 190 g/square meter, processing the sandwich fabric by using a flat screen printing machine, printing the mixture which is pretreated in the S3 in a full-land printing mode, pouring the mixture into a slurry barrel, printing the sandwich fabric, pre-baking the mixture, setting the temperature of an oven to be 110 ℃, setting the length of the oven to be 40 meters, passing through the oven at the speed of 10 meters/second, drying the fabric, baking the printed surface, setting the temperature of the oven to be 130 ℃, setting the length of the oven to be 40 meters, and passing through the oven at the speed of 8 meters/second, drying the printed surface to form a film, thereby obtaining the coated gel sandwich fabric with polyurethane as a film forming material and remarkable continuous cool feeling function;
s5, testing the gel processed product prepared in the step S4 by using the testing method in the first embodiment, and comparing the gel processed product with a non-gel processed product to test a temperature time change curve (figure 7);
the same detection time point is selected, and the instrument records the temperature change of the gel processed product and the non-gel processed product, and the comparison is as follows:
as can be seen from the table, the maximum temperature difference between the gel processed product and the unprocessed product is 6.03 ℃, the continuous temperature difference is 2 ℃ and reaches more than 3 minutes, and the gel processed product has obvious continuous cooling effect and obvious continuous cooling function.
As can be seen from comparison of specific examples 4, 5 and 6, other conditions are unchanged, the mass part ratio of polyether polyol to isocyanate is changed, the test cooling effect is greatly different, the analysis reasons are that the specific example 6, isocyanate accounts for 50% of the mixture, the mass fraction of the mixture is 29.5, the consumption of isocyanate is converted to 14.5, the mass fraction of polyether polyol is 70, the mass fraction of polyether polyol is close to 100:20, the polyether polyol and the isocyanate fully react to generate a large amount of gel, the cooling effect is obvious, the continuous cooling effect is obvious, the mass part ratio of the polyether polyol to the isocyanate deviates from the full reaction ratio, the reaction with the polyether polyol is insufficient after the isocyanate is blocked and thermally sealed, the generated gel is less, and therefore, the cooling effect is not ideal, and the mass part ratio of the polyether polyol to the isocyanate fully reacts to 100:15-25.
Example 7
S1, weighing 100 parts by weight of deionized water, slowly adding 100 parts by weight of sodium bisulphite solid, and completely dissolving in a stirring state;
s2, weighing 200 parts by weight of 330N isocyanate, slowly adding the isocyanate into the S1 solution, uniformly stirring the mixture for 40 minutes at the temperature of less than 35 ℃ and carrying out end-capping treatment;
s3, weighing 60 parts by weight of polyether polyol with the model of 5065, 0.2 part by weight of catalyst with the model of A20 and 0.3 part by weight of catalyst with the model of A50, adding the catalyst into the mixture, weighing 39.5 parts by weight of the mixture prepared in the S2, mixing, adding a proper amount of deionized water, adjusting to a viscosity suitable for printing, stirring uniformly for 30 minutes at the temperature of less than 35 ℃, and standing for 60 minutes for defoaming for later use;
s4, taking 100 meters of sandwich fabric with the weight of 190 g/square meter, processing the sandwich fabric by using a flat screen printing machine, printing the mixture which is pretreated in the S3 in a full-land printing mode, pouring the mixture into a slurry barrel, printing the sandwich fabric, pre-baking the mixture, setting the temperature of an oven to 120 ℃, setting the length of the oven to 40 meters, passing through the oven at the speed of 10 meters/second, drying the fabric, baking the printed surface, setting the temperature of the oven to 150 ℃, setting the length of the oven to 40 meters, and passing through the oven at the speed of 8 meters/second, drying the printed surface to form a film, thereby obtaining the coated gel sandwich fabric with polyurethane as a film forming material and remarkable continuous cool feeling function;
s5, testing the gel processed product prepared in the step S4 by using the testing method in the embodiment 1, and comparing the gel processed product with a non-gel processed product to test a temperature time change curve (figure 8);
the same detection time point is selected, and the instrument records the temperature change of the gel processed product and the non-gel processed product, and the comparison is as follows:
the maximum temperature difference between the gel processed product and the unprocessed product is 3.51 ℃ and the continuous temperature difference is more than 3 minutes, thus having the continuous obvious cooling effect and the continuous cool feeling function;
as can be seen from comparative examples 4 and 7, other conditions were unchanged, only the drying temperature was changed, and the test cooling effect was not changed much, so that the drying temperature affected the gel formation, so that the test temperature difference was slightly different, but the influence factor was small, and the optimum drying condition was: pre-baking at 100-120 deg.C for 3-6 min, and baking at 130-150 deg.C for 5-10 min.
In summary, the optimal reaction condition is that the mass part ratio of sodium bisulfate to isocyanate is the optimal ratio of HSO3 to NCO of 1-1.2:1, the sufficient reaction mass part ratio of polyether polyol to isocyanate is 100:15-25, and the optimal drying condition is as follows: pre-baking at 100-120 deg.C for 3-6 min, and baking at 130-150 deg.C for 5-10 min.
Those skilled in the art will readily recognize that such operations are performed in accordance with the accompanying instructions and without undue burden from those skilled in the art.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present invention, and these modifications and variations should also be regarded as the scope of the invention.
Claims (9)
1. The preparation method of the novel lasting cool sense breathable fabric is characterized by comprising the following steps of:
step one, preparation of continuous cool sense gel
Blocking the isocyanate by sodium bisulphite, pre-curing the blocked isocyanate by a compound containing a carboxylic acid group or a polyether polyol compound, so that the curing process of the isocyanate resin gel is controllable, and standing for 60 minutes for deaeration for later use;
step two, preparing sandwich fabric
Preparing a surface yarn layer, a supporting breathable layer and a bottom yarn layer by using a braiding machine, and enabling the surface yarn layer to be positioned on the supporting breathable layer, wherein the supporting breathable layer is positioned between the surface yarn layer and the bottom yarn layer to form a sandwich fabric;
step three, printing, coating and impregnating
Printing, coating and impregnating the top surface of the surface silk layer of the sandwich fabric by using a printing machine, and printing the continuous cool feeling gel on the top surface of the surface silk layer of the sandwich fabric;
step four, molding
Pre-baking at 100-140 ℃ for 3-10 minutes, baking again at 130-160 ℃ for 5-15 minutes, deblocking blocked isocyanate, and curing with a printing and dyeing surface containing carboxylic acid compounds or polyether polyol compounds to form a thermosetting continuous cool gel coating layer by continuous cool gel, so as to form a coated gel sandwich fabric with remarkable continuous cool function;
step five, packaging
Packaging and warehousing the finished fabric.
2. The method for preparing the novel lasting cool feeling breathable fabric according to claim 1, wherein in the step two, the middle filament layer consists of 2 fully drawn polyester filaments FDY, the fineness is between 50D and 500D, the supporting breathable layer consists of fully drawn polyester filaments FDY, the fineness is between 24D and 300D, the bottom filament layer consists of fully drawn polyester filaments FDY, and the fineness is between 50D and 500D.
3. The method for preparing a novel lasting cool feeling breathable fabric according to claim 1, wherein the isocyanate in the step one can be aliphatic isocyanate, aromatic isocyanate, and a material in which aliphatic isocyanate and aromatic isocyanate are mixed in any proportion.
4. The method for preparing the novel lasting cool feeling breathable fabric according to claim 1, wherein the mass part ratio of sodium bisulphite to isocyanate in the step one is 1-1.2:1, and the mass part ratio of polyether polyol to isocyanate is 100:15-25.
5. The method for producing a novel lasting cool feeling breathable fabric according to claim 1, wherein the isocyanate system in the first step has hydrophilicity and is soluble in an aqueous solution.
6. The method for preparing a novel lasting cool feeling breathable fabric according to claim 1, wherein the temperature is 100-120 ℃ and the drying time is 3-6 minutes, and the baking is performed again, wherein the temperature is 130-150 ℃ and the time is 5-10 minutes.
7. The novel lasting cool sense breathable fabric is characterized by comprising a lasting cool sense gel layer (1) and a sandwich fabric, wherein the bottom end of the lasting cool sense gel layer (1) is connected with the top end of the sandwich fabric.
8. The novel lasting cool sense breathable fabric according to claim 7, wherein the sandwich fabric comprises a surface yarn layer (2), a supporting breathable layer (3) and a bottom yarn layer (4), wherein the bottom end of the lasting cool sense gel layer (1) is connected with the top end of the surface yarn layer (2), the bottom end of the surface yarn layer (2) is connected with the top end of the supporting breathable layer (3), and the top end of the bottom yarn layer (4) is connected with the bottom end of the supporting breathable layer (3).
9. The application of the novel lasting cool feeling breathable fabric is characterized in that the novel lasting cool feeling breathable fabric can be used in textile fabric or clothing industry, and is also suitable for being processed by printing, coating and impregnation processes in the fields of sponge, paper and rubber and plastic.
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| US20070275233A1 (en) * | 2003-11-11 | 2007-11-29 | Nicca Chemical Co., Ltd | Method for Glossing Solid Surface and Film-Forming Coating Liquid |
| CN108395847A (en) * | 2018-03-06 | 2018-08-14 | 叶陈瑶 | A kind of high-strength light, heat activated blocked polyurethane adhesive and preparation method thereof and application method |
| CN110481105A (en) * | 2019-07-06 | 2019-11-22 | 肖时云 | A kind of preparation method of Warm-keeping heat-insulating tent compound fabric |
| CN217968743U (en) * | 2022-03-24 | 2022-12-06 | 青岛迦喜家纺有限公司 | Continuous cold-sensing hydrogel pad |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070275233A1 (en) * | 2003-11-11 | 2007-11-29 | Nicca Chemical Co., Ltd | Method for Glossing Solid Surface and Film-Forming Coating Liquid |
| CN108395847A (en) * | 2018-03-06 | 2018-08-14 | 叶陈瑶 | A kind of high-strength light, heat activated blocked polyurethane adhesive and preparation method thereof and application method |
| CN110481105A (en) * | 2019-07-06 | 2019-11-22 | 肖时云 | A kind of preparation method of Warm-keeping heat-insulating tent compound fabric |
| CN217968743U (en) * | 2022-03-24 | 2022-12-06 | 青岛迦喜家纺有限公司 | Continuous cold-sensing hydrogel pad |
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