CN110983785A - Preparation method of Janus type textile - Google Patents
Preparation method of Janus type textile Download PDFInfo
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- CN110983785A CN110983785A CN201911175445.2A CN201911175445A CN110983785A CN 110983785 A CN110983785 A CN 110983785A CN 201911175445 A CN201911175445 A CN 201911175445A CN 110983785 A CN110983785 A CN 110983785A
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/643—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicon in the main chain
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/77—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with silicon or compounds thereof
- D06M11/79—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with silicon or compounds thereof with silicon dioxide, silicic acids or their salts
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/263—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated carboxylic acids; Salts or esters thereof
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/263—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated carboxylic acids; Salts or esters thereof
- D06M15/277—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated carboxylic acids; Salts or esters thereof containing fluorine
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M23/00—Treatment of fibres, threads, yarns, fabrics or fibrous goods made from such materials, characterised by the process
- D06M23/16—Processes for the non-uniform application of treating agents, e.g. one-sided treatment; Differential treatment
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
- D06M2200/10—Repellency against liquids
- D06M2200/11—Oleophobic properties
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
- D06M2200/10—Repellency against liquids
- D06M2200/12—Hydrophobic properties
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- 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
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Abstract
The invention discloses a preparation method of a Janus type textile. The preparation method of the Janus type textile comprises the following steps: dissolving 1-10 parts by mass of a hydrophobic active substance, 0.2-3 parts by mass of a thiol reagent, 0.01-0.2 part by mass of an initiator and 0.05-2.5 parts by mass of an auxiliary agent in 89.7-98.2 parts by mass of a solvent to prepare a photosensitive solution, treating the textile by using the photosensitive solution, carrying out ultraviolet irradiation on the textile treated by the photosensitive solution for 3-15 min, dissolving uncured photosensitive solution components on the textile treated by the photosensitive solution by using the solvent, and drying the obtained textile to obtain the Janus type textile. The invention provides a method for curing macromolecules on the surface of a textile by using sulfydryl/olefin click chemistry, which has the advantages of no selectivity to the textile material, good durability, controllable modification depth, simple preparation method, low cost and suitability for industrial production.
Description
The technical field is as follows:
the invention belongs to the technical field of high polymer materials and textile engineering, and particularly relates to a preparation method of a Janus type textile.
Background art:
the functional textile is a fabric which has certain specific functions besides the basic functions of conventional decoration, heat preservation and the like, and the common functions comprise quick drying, super hydrophobicity, antifouling, radiation protection, static electricity prevention and the like. In 2017, the sales of the global functional textile market is about 500 billion dollars per year, and the domestic textile demand is about 500 billion RMB. With the development of science and technology and the improvement of social living standard, the demand of people on functional textiles is continuously increased, the expected market sales volume is increased by about 3.8% every year, new products of new technology are continuously updated, and the market prospect is good. The one-way drainage textile has the characteristic of quickly and automatically transmitting the lyophobic liquid to the lyophilic side, and has wide application in the field of sports clothes. At present, the prior art discloses an electrostatic spinning method and a plasma glow discharge method for preparing a single-side liquid-conducting textile, CN108589048A discloses a method for preparing a directional capillary force-driven high-efficiency water-collecting hydrophobic-hydrophilic Janus composite fiber membrane in a large area by utilizing electrostatic spinning, CN109778430A discloses a method for preparing nano fibers with a Janus structure by utilizing uniaxial electrostatic spinning, and CN109706735A discloses a method for preparing a single-side super-hydrophobic single-side hydrophilic Janus type fabric by utilizing a plasma glow discharge method.
The unidirectional liquid-guiding textile prepared by the preparation method disclosed by the prior art is difficult to control in modification depth, and the performance of the textile is not obviously improved, so that the problem needs to be solved urgently.
The invention content is as follows:
the invention aims to overcome the defects of the prior art and provides a preparation method of Janus type textiles.
The invention aims to provide a preparation method of Janus type textiles, which is characterized by comprising the following steps: 1-10 parts by mass of hydrophobic active substance, 0.2-3 parts by mass of sulfhydryl reagent, 0.01-0.2 part by mass of initiator and 0.05-2.5 parts by mass of auxiliary agent are dissolved in 89.7-98.2 parts by mass of solvent to prepare photosensitive solution, the photosensitive solution is used for treating textiles, a light transmitting sheet is arranged on the textiles treated by the photosensitive solution, after the textiles provided with the light transmitting sheet are subjected to ultraviolet illumination for 3-15 min, the solvent is used for dissolving the uncured photosensitive solution component on the textiles provided with the light transmitting sheet, and the obtained textiles are dried to obtain the Janus type textiles. Preferably, 3 to 6 parts by mass of the hydrophobic active substance, 0.5 to 1.5 parts by mass of the thiol reagent, 0.07 to 0.14 part by mass of the initiator and 0.5 to 1.5 parts by mass of the auxiliary agent are dissolved in 90.86 to 95.93 parts by mass of the solvent to prepare the photosensitive solution.
The point-shaped light transmission sheet or the linear light transmission sheet is attached to the textile, and ultraviolet light curing is carried out to obtain a curing block with point shape or linear depth controllable, so that the moisture-conducting effect of the Janus type textile can be improved. The requirements of the point-shaped light transmission piece or the linear light transmission piece are as follows: the light transmission area is more than or equal to 80 percent.
According to the invention, the textile is modified in a depth-controllable manner by means of ultraviolet curing, and the lyophilic function is given to the lyophobic side of one side of the textile, so that the characteristic that moisture is transmitted from the body surface to the outside of the body is achieved. Particularly, in order to enhance the liquid guiding effect, the textile is endowed with a certain pattern with lyophobic performance by adopting a light transmitting piece method, the light transmitting part is a curing component, a small amount of unexposed ultraviolet part is still a hydrophilic component, and the light transmitting part can rapidly absorb water and conduct to the hydrophilic side to feel dry and comfortable.
Preferably, the textiles are treated by dipping or coating methods using the photosensitive solution. The dipping time is 3-15 min.
Preferably, the textile is a non-woven fabric or a knitted fabric.
Preferably, the hydrophobic active substance is selected from one of the following substances: 1) vinyl silicone oil with the structure of formula a and the viscosity of 100-100000 cs; 2) aliphatic having the structure of formula b; 3) fluorine species having the structure of formula c;
wherein R in the formula b1Is H or CH3；R2Is H or CH3；R3Is H or CH3；R4Is CH3、CH2CH3Or (CH)2)3CH3；R5Is (CH)2)11CH3、(CH2)15CH3Or (CH)2)17CH3(ii) a In the formula c, R6Is H or CH3；R7Is H or CH3；R8Is H or CH3；R9Is CH3、CH2CH3Or (CH)2)3CH3；R10Is CH2CH2(CF2)3CF3Or CH2CH2(CF2)5CF3。
Preferably, the vinyl silicone oil is terminal vinyl silicone oil or vinyl content nvinyl/nSi0.5-10% of polyvinyl silicone oil.
Preferably, the content of the sulfydryl in the molecule of the sulfydryl reagent is more than or equal to 2. More preferably, the mercapto agent is one selected from the group consisting of ethylene glycol-bis (3-mercaptopropionate) (M ═ 238.324), trimethylolpropane tris (3-mercaptopropionate) (M ═ 398), pentaerythritol tetrakis (3-mercaptopropionate), and dipentaerythritol hexa (3-mercaptopropionate).
Preferably, the initiator is an ultraviolet initiator, and the ultraviolet initiator is selected from one of benzoin, benzoin dimethyl ether, benzoin ethyl ether, benzoin isopropyl ether and benzoin butyl ether.
Preferably, the auxiliary agent is selected from one of vinyl MQ resin, vinyl POSS and vinyl fumed nano silicon dioxide. The preparation method of the vinyl gas-phase nano silicon dioxide comprises the following steps: and (2) putting 1 part by mass of hydrophilic gas-phase nano silicon dioxide into a sealing box, putting 0.05-0.5 part by mass of vinyl trichlorosilane into a culture dish, sealing, and carrying out gas-phase deposition reaction for 12-48 hours to obtain the vinyl gas-phase nano silicon dioxide.
Preferably, the solvent is one selected from tetrahydrofuran, ethyl acetate, butyl acetate and benzene solvents. The benzene solvent includes toluene, xylene, trimethylbenzene, ethylbenzene, etc.
The invention has the beneficial effects that:
(1) the invention provides a method for curing macromolecules on the surface of a textile by using sulfydryl/olefin click chemistry, which has the advantages of no selectivity to the textile material, good durability, controllable modification depth, simple preparation method, low cost and suitability for industrial production.
(2) The hydrophilic/hydrophobic Janus type textile provided by the invention has the characteristics of air permeability and rapid moisture removal, and can be widely applied to sports fabrics.
Description of the drawings:
FIG. 1 is a graph showing the relationship between the UV irradiation time and the modified thickness in example 1.
The specific implementation mode is as follows:
the following examples are further illustrative of the present invention and are not intended to be limiting thereof. Unless otherwise specified, the devices and materials mentioned in the present invention are commercially available. The rolling residue ratio is (cloth weight after rolling-cloth weight)/cloth weight x 100%. The immersion needle woven or nonwoven fabric in the following examples was completely immersed in the photosensitive solution.
The preparation method of the vinyl gas-phase nano silicon dioxide comprises the following steps: 1g of hydrophilic gas phase nano silicon dioxide is put into a sealing box, 0.3g of vinyl trichlorosilane is put into a culture dish, and the hydrophilic gas phase nano silicon dioxide is obtained after the sealing and the gas phase deposition reaction for 24 hours.
Moisture wicking test method: and (4) contacting the hydrophobic side of the prepared textile with water, and calculating the complete soaking time of the hydrophilic side.
Example 1:
mixing polyvinyl silicone oil (n)vinyl/nSi10 percent of the total thickness of the knitted fabric, 500cs)1g of the knitted fabric, 0.25g of ethylene glycol-bis (3-mercaptopropionate), 0.05g of benzoin dimethyl ether and 0.5g of MQ resin are dissolved in 98.20g of toluene to prepare a photosensitive solution, the knitted fabric is soaked in the photosensitive solution for 3min, after the soaking is finished, the knitted fabric is taken out of the photosensitive solution, a rolling mill is used for removing free liquid on the knitted fabric, the remainder ratio is 90 percent, after the knitted fabric is subjected to ultraviolet illumination for 3min, the uncured components on the knitted fabric are dissolved by using toluene, and the one-way liquid guide knitted fabric is obtained, wherein the hydrophobic thickness of the one-way liquid guide knitted fabric accounts for 35 percent of the total thickness. The moisture permeability time of the knitted fabric is 80 s.
Under the same component conditions, the one-to-one corresponding relation between the ultraviolet irradiation time and the modified thickness (namely the relation graph of the irradiation time and the hydrophobic thickness in the total thickness) is obtained by only changing the ultraviolet irradiation time, as shown in figure 1, and is obtained from figure 1, when the irradiation time is zero, no crosslinking reaction occurs, and the product is still hydrophilic after being cleaned by using a solvent; as the reaction time increases, crosslinking begins to occur, and after toluene washing, the cured hydrophobic component remains on the fiber surface, imparting hydrophobicity to the fiber, with the tendency to modify: the first 8min shows a substantially linear modification relationship, which gradually slows down with increasing depth.
Example 2:
mixing vinyl-terminated silicone oil (n)vinyl/nSi0.36 percent, 10000cs)1g, 0.84g of trimethylolpropane tris (3-mercaptopropionate), 0.02g of benzoin dimethyl ether and 0.5g of vinyl POSS are dissolved in 97.64g of tetrahydrofuran to prepare photosensitive solution, the non-woven fabric is soaked in the obtained photosensitive solution for 5min, after the soaking is finished, the non-woven fabric is taken out from the photosensitive solution, a rolling mill is used for removing free liquid on the non-woven fabric, the rolling residual rate is 150 percent, after the non-woven fabric is irradiated by ultraviolet light for 5min, uncured components on the non-woven fabric are dissolved by tetrahydrofuran to obtain the one-way liquid guide non-woven fabric, and the hydrophobic thickness accounts for 50 percent of the total thickness. The test shows that the moisture-conducting time of the non-woven fabric is 2 min.
Example 3:
mixing vinyl-terminated silicone oil (n)vinyl/nSi＝3％，100000cs)1g, 0.3g of pentaerythritol tetrakis (3-mercaptopropionate), 0.02g of benzoin ethyl ether and 0.2g of vinyl fumed nano-silica are dissolved in 97.64g of ethyl acetate to prepare a photosensitive solution, the non-woven fabric is soaked in the obtained photosensitive solution for 10min, after the soaking is finished, the non-woven fabric is taken out of the photosensitive solution, a rolling mill is used for removing free liquid on the non-woven fabric, the rolling residual rate is 150%, after the non-woven fabric is subjected to ultraviolet irradiation for 15min, uncured components on the non-woven fabric are dissolved by using ethyl acetate, and the one-way liquid guide non-woven fabric is obtained, wherein the hydrophobic thickness accounts for 95% of the thickness of the textile. The test shows that the moisture-conducting time of the non-woven fabric is 30 min.
Example 4
Dissolving 10g of aliphatic active substance shown as formula 1, 0.20g of ethylene glycol-bis (3-mercaptopropionate), 0.01g of benzoin ethyl ether and 0.05g of vinyl POSS in 89.74g of ethyl acetate to prepare a photosensitive solution, soaking the knitted fabric in the photosensitive solution for 15min to obtain a photosensitive solution, taking the knitted fabric out of the photosensitive solution after the soaking is finished, removing free liquid on the knitted fabric by using a rolling mill, keeping the rolling residual rate at 50%, irradiating the knitted fabric with ultraviolet light for 5min, and dissolving uncured components on the knitted fabric by using the ethyl acetate to obtain the one-way liquid guide knitted fabric, wherein the hydrophobic thickness accounts for 35% of the thickness of the textile. The moisture permeability time of the knitted fabric is 80 s.
The aliphatic active substance shown in formula 1 is prepared by the following steps: mixing reaction raw materials according to the molar weight ratio of methyl methacrylate, octadecyl methacrylate and allyl methacrylate of 0.2:0.77:0.03, adding ethyl acetate to prepare a solution with the solid content of 20%, and adding an initiator AIBN (n isAIBN/nRaw materials2%), and reacting at 60 deg.C for 12 hr.
Example 5
Dissolving 5g of aliphatic active substance shown as formula 2, 0.30g of dipentaerythritol hexa (3-mercaptoacrylate), 0.01g of benzoin ethyl ether and 0.09g of vinyl POSS in 94.69g of ethyl acetate to prepare a photosensitive solution, soaking the knitted fabric in the photosensitive solution for 8min, taking the knitted fabric out of the photosensitive solution after the soaking is finished, removing free liquid on the knitted fabric by using a rolling mill, keeping the rolling residual rate at 50%, irradiating the knitted fabric for 15min by ultraviolet light, and dissolving uncured components on the knitted fabric by using the ethyl acetate to obtain the one-way liquid guide knitted fabric, wherein the hydrophobic thickness accounts for 85% of the thickness of the textile. The moisture permeability time of the knitted fabric is 20min through testing.
The aliphatic active substance shown in formula 2 is prepared by the following steps: according to the molar ratio of butyl methacrylate, hexadecyl methacrylate and allyl methacrylate of 0.23:0.66:0.1 mixing the reaction raw materials, adding ethyl acetate to prepare a 20% solid solution, adding AIBN (n) as an initiatorAIBN/nRaw materials2%), and reacting at 60 deg.C for 12 hr.
Example 6
Dissolving 5g of aliphatic active substance shown as formula 3, 0.30g of dipentaerythritol hexa (3-mercaptoacrylate), 0.01g of benzoin butyl ether and 0.10g of ethylene nano silicon dioxide POSS in 94.69g of ethyl acetate to prepare a photosensitive solution, soaking the knitted fabric in the photosensitive solution for 6min to obtain a photosensitive solution, taking the knitted fabric out of the photosensitive solution, removing free liquid on the knitted fabric by using a rolling mill, wherein the rolling residual rate is 50%, 98% of linear light-transmitting sheets are attached to the knitted fabric, after the knitted fabric is irradiated by ultraviolet light for 3min, uncured components on the knitted fabric are dissolved by using ethyl acetate to obtain the one-way liquid guide knitted fabric, and the hydrophobic thickness accounts for 25% of the thickness of the textile. The moisture permeability time of the knitted fabric is 10 s.
The aliphatic active substance shown in formula 3 is prepared by the following steps: push buttonMixing the reaction raw materials according to the molar ratio of butyl methacrylate, lauryl methacrylate and allyl methacrylate of 0.23:0.66:0.1, adding ethyl acetate to prepare a solution with the solid content of 20%, and adding an initiator AIBN (nAIBN/nRaw materials2%), and reacting at 60 deg.C for 12 hr.
Comparative example 1
The same as example 6, except that: the moisture-conducting time of the knitted fabric is 30s by testing by using 80% of linear light-transmitting sheets.
Comparative example 2
The same as example 6, except that: the moisture wicking time of the knitted fabric was tested to be 18s using a 90% linear light transmitting sheet.
Example 7
Dissolving 5g of fluorine-containing active substance shown as a formula 4, 3g of dipentaerythritol hexa (3-mercaptoacrylate), 0.2g of benzoin dimethyl ether and 2.5g of vinyl POSS in 89.7g of ethyl acetate to prepare a photosensitive solution, soaking the knitted fabric in the photosensitive solution for 3min to be soaked, taking the knitted fabric out of the photosensitive solution, removing free liquid on the knitted fabric by using a rolling mill, attaching 80% of linear light-transmitting sheets to the knitted fabric, after the knitted fabric is irradiated by ultraviolet light for 3min, dissolving uncured components on the knitted fabric by using ethyl acetate to obtain the one-way liquid guide knitted fabric, wherein the hydrophobic thickness accounts for 25% of the thickness of the textile. The moisture permeability time of the knitted fabric is 2s through testing.
A method for preparing a fluorine-based active material represented by formula 4: according to the mol ratio of butyl acrylate, perfluorodecyl acrylate and allyl acrylate of 0.8:0.1:0.1, mixing the reaction raw materials, adding ethyl acetate to prepare a solution with the solid content of 20%, and adding an initiator AIBN (n)AIBN/nRaw materials2%), and reacting at 60 deg.C for 12 hr.
Example 8
Dissolving 5g of fluorine-containing active substance shown in formula 5, 1g of pentaerythritol tetra (3-mercaptopropionate), 0.2g of benzoin dimethyl ether and 0.5g of vinyl nano-silica in 89.7g of ethyl acetate to prepare a photosensitive solution, soaking the knitted fabric in the photosensitive solution for 3min to finish soaking, taking out the knitted fabric from the photosensitive solution, removing free liquid on the knitted fabric by using a rolling mill, keeping the rate at 60%, attaching 90% of linear light-transmitting sheets to the knitted fabric, irradiating the knitted fabric with ultraviolet light for 4min, dissolving uncured components on the knitted fabric by using ethyl acetate to obtain the one-way liquid guide knitted fabric, wherein the hydrophobic thickness accounts for 40% of the thickness of the textile. The moisture permeability time of the knitted fabric is 10 s.
The fluorine-based active material represented by formula 5 is prepared by the following steps: mixing reaction raw materials according to the mol ratio of butyl acrylate, perfluorohexyl acrylate and allyl acrylate of 0.6:0.3:0.1, adding ethyl acetate to prepare a solution with the solid content of 20%, and adding an initiator AIBN (n)AIBN/nRaw materials2%), and reacting at 60 deg.C for 12 hr.
Example 9
Dissolving 3g of aliphatic active substance shown as formula 2, 0.5g of dipentaerythritol hexa (3-mercaptoacrylate), 0.07g of benzoin ethyl ether and 0.5g of vinyl POSS in 95.93g of ethyl acetate to prepare a photosensitive solution, soaking the knitted fabric in the photosensitive solution for 8min, taking the knitted fabric out of the photosensitive solution after the soaking is finished, removing free liquid on the knitted fabric by using a rolling mill, keeping the rate at 50%, attaching 90% of linear light-transmitting sheets to the knitted fabric, and after irradiating the knitted fabric for 15min by ultraviolet light, dissolving uncured components on the knitted fabric by using ethyl acetate to obtain the one-way liquid-guiding knitted fabric.
The aliphatic active substance shown in formula 2 is prepared by the following steps: according to the molar ratio of butyl methacrylate, hexadecyl methacrylate and allyl methacrylate of 0.23:0.66:0.1 mixingSynthesizing reaction raw materials, adding ethyl acetate to prepare a solution with 20% of solid content, and adding an initiator AIBN (n)AIBN/nRaw materials2%), and reacting at 60 deg.C for 12 hr.
Example 10
6g of aliphatic active substance shown as formula 2, 1.5g of dipentaerythritol hexa (3-mercaptoacrylate), 0.14g of benzoin ethyl ether and 1.5g of vinyl POSS are dissolved in 90.86g of ethyl acetate to prepare a photosensitive solution, the knitted fabric is soaked in the photosensitive solution for 8min, after the soaking is finished, the knitted fabric is taken out of the photosensitive solution, a rolling mill is used for removing free liquid on the knitted fabric, the rolling residual rate is 50%, a 90% linear light-transmitting sheet is used for being attached to the knitted fabric, after the knitted fabric is irradiated by ultraviolet light for 15min, uncured components on the knitted fabric are dissolved by ethyl acetate, and the one-way liquid guide knitted fabric is obtained.
The aliphatic active substance shown in formula 2 is prepared by the following steps: according to the molar ratio of butyl methacrylate, hexadecyl methacrylate and allyl methacrylate of 0.23:0.66:0.1 mixing the reaction raw materials, adding ethyl acetate to prepare a 20% solid solution, adding AIBN (n) as an initiatorAIBN/nRaw materials2%), and reacting at 60 deg.C for 12 hr.
While the above embodiments are provided to help understand the technical solution and the core idea of the present invention, it should be noted that, for those skilled in the art, the present invention can be modified and modified without departing from the principle of the present invention, and the modified and modified embodiments also fall within the protection scope of the claims of the present invention.
Claims (10)
1. A preparation method of Janus type textiles is characterized by comprising the following steps: 1-10 parts by mass of hydrophobic active substance, 0.2-3 parts by mass of sulfhydryl reagent, 0.01-0.2 part by mass of initiator and 0.05-2.5 parts by mass of auxiliary agent are dissolved in 89.7-98.2 parts by mass of solvent to prepare photosensitive solution, the photosensitive solution is used for treating textiles, a light transmitting sheet is arranged on the textiles treated by the photosensitive solution, after the textiles provided with the light transmitting sheet are subjected to ultraviolet illumination for 3-15 min, the solvent is used for dissolving the uncured photosensitive solution component on the textiles provided with the light transmitting sheet, and the obtained textiles are dried to obtain the Janus type textiles.
2. A method of manufacturing a Janus-type textile according to claim 1 wherein the textile is treated by dipping or coating using the photosensitive solution.
3. The method of claim 1, wherein the textile is a non-woven fabric or a knitted fabric.
4. The method of making a Janus-type textile according to claim 1, wherein the hydrophobic active is selected from one of: 1) vinyl silicone oil with the structure of formula a and the viscosity of 100-100000 cs; 2) aliphatic having the structure of formula b; 3) fluorine species having the structure of formula c;
wherein R in the formula b1Is H or CH3；R2Is H or CH3；R3Is H or CH3；R4Is CH3、CH2CH3Or (CH)2)3CH3；R5Is (CH)2)11CH3、(CH2)15CH3Or (CH)2)17CH3(ii) a In the formula c, R6Is H or CH3；R7Is H or CH3；R8Is H or CH3；R9Is CH3、CH2CH3Or (CH)2)3CH3；R10Is CH2CH2(CF2)3CF3Or CH2CH2(CF2)5CF3。
5. The method of claim 4, wherein the vinyl silicone oil is a terminal vinyl silicone oil or a vinyl content nvinyl/nSi0.5-10% of polyvinyl silicone oil.
6. A method of making a Janus-type textile according to claim 1, wherein: the content of sulfydryl in the molecule of the sulfydryl reagent is more than or equal to 2.
7. A method of making a Janus-type textile according to claim 1, wherein: the mercapto reagent is selected from one of ethylene glycol-di (3-mercaptopropionate), trimethylolpropane tri (3-mercaptopropionate), pentaerythritol tetrakis (3-mercaptopropionate) and dipentaerythritol hexa (3-mercaptopropionate).
8. A method of making a Janus-type textile according to claim 1, wherein: the initiator is an ultraviolet initiator, and the ultraviolet initiator is selected from one of benzoin, benzoin dimethyl ether, benzoin ethyl ether, benzoin isopropyl ether and benzoin butyl ether.
9. A method of making a Janus-type textile according to claim 1, wherein: the auxiliary agent is selected from one of vinyl MQ resin, vinyl POSS and vinyl fumed silica.
10. A method of making a Janus-type textile according to claim 1, wherein: the solvent is selected from one of tetrahydrofuran, ethyl acetate, butyl acetate and benzene solvents.
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