CN108691096B - Preparation method of water-retaining non-woven fabric, non-woven fabric and application - Google Patents
Preparation method of water-retaining non-woven fabric, non-woven fabric and application Download PDFInfo
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- CN108691096B CN108691096B CN201810411013.6A CN201810411013A CN108691096B CN 108691096 B CN108691096 B CN 108691096B CN 201810411013 A CN201810411013 A CN 201810411013A CN 108691096 B CN108691096 B CN 108691096B
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/44—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling
- D04H1/46—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres
- D04H1/492—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres by fluid jet
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
- D04H1/425—Cellulose series
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
- D04H1/425—Cellulose series
- D04H1/4258—Regenerated cellulose series
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
- D04H1/4266—Natural fibres not provided for in group D04H1/425
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- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/44—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling
- D04H1/46—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres
- D04H1/498—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres entanglement of layered webs
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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
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/10—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
- D06M13/184—Carboxylic acids; Anhydrides, halides or salts thereof
- D06M13/207—Substituted carboxylic acids, e.g. by hydroxy or keto groups; Anhydrides, halides or salts 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
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The invention discloses a preparation method of water-retaining non-woven fabric, which comprises the following steps: s1, preparing a non-woven fabric inner layer and a non-woven fabric surface layer; s2, preparing a hydrophobic treatment solution of hydrophilic fibers; s3: performing local esterification and hydrophobic treatment on the surface layer of the non-woven fabric to obtain the surface layer of the non-woven fabric with continuous hydrophobic stripes or continuous hydrophobic grids; s4: and compounding the inner layer of the non-woven fabric and the surface layer of the non-woven fabric, and carrying out secondary spunlace to obtain a finished product of the water-retaining non-woven fabric. The invention adopts the all-cotton non-woven fabric as the raw material, forms continuous hydrophobic stripes or hydrophobic grids on the surface layer of the non-woven fabric by locally esterifying and grafting the non-woven fabric, and blocks the direct falling path of water through the surface layer by utilizing the blocking effect of the hydrophobic stripes and the hydrophobic grids on water flow, thereby reducing the falling speed of the water. The invention also discloses a preparation method of the water-retaining non-woven fabric and the mask.
Description
Technical Field
The invention belongs to the technical field of non-woven fabrics, and particularly relates to a preparation method of a water-retaining non-woven fabric, the non-woven fabric and application.
Background
The spunlace nonwoven fabric is formed by jetting high-pressure micro water flow onto one or more layers of fiber webs to enable the fibers to be mutually entangled, so that the fiber webs are reinforced and have certain strength, and the obtained fabric is the spunlace nonwoven fabric. The fiber raw materials are widely available, and can be terylene, chinlon, polypropylene fiber, viscose fiber, chitin fiber, superfine fiber, tencel, silk, bamboo fiber, wood pulp fiber, alginate fiber and the like. Compared with the needle-punched non-woven fabric, the gram weight of the needle-punched non-woven fabric is smaller, and the needle-punched non-woven fabric is suitable for being used as beauty treatment consumables such as masks and medical dressings.
Common application type facial masks can be divided into non-woven fabric facial masks, silk facial masks and gel facial masks according to the material of a carrier. The non-woven fabric facial mask has different fiber compositions and different performances, and the pure cotton facial mask has outstanding skin affinity and water retention performance due to the fact that the cotton fibers have strong hydrophilicity and moisture absorption performance. However, in the actual use process, especially when the facial mask is applied and the essence in the bag body is supplemented to the facial mask, the essence flows downwards along the facial mask due to the fact that the moisture content in the facial mask is high and the water retention capacity of cotton fibers is limited. The technical scheme of solution is usually for increasing facial mask thickness, but along with the loss of moisture in the facial mask in above-mentioned scheme, can appear the facial mask and suck back the problem of skin epidermis moisture at the later stage of applying facial mask.
In turn, there is a need for improvements in the structure and related methods of making water-retaining nonwovens of the prior art.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a preparation method of a water-retaining non-woven fabric.
In order to achieve the purpose, the technical scheme of the invention is as follows: a preparation method of a water-retaining non-woven fabric is characterized by comprising the following steps:
s1, preparing a non-woven fabric inner layer and a non-woven fabric surface layer by taking hydrophilic fibers as raw materials through one-time spunlace respectively;
s2, preparing a hydrophobic treatment solution of hydrophilic fibers;
s3: printing the esterification pretreatment liquid on the surface layer of the non-woven fabric, drying and baking, printing the hydrophobic treatment liquid on the position of the surface layer of the non-woven fabric, which is treated by the esterification pretreatment liquid, guiding the surface layer of the non-woven fabric into a rubber rod for rolling liquid, wherein the printing pattern is a plurality of longitudinal continuous stripes or grids, and pre-baking to obtain the surface layer of the non-woven fabric with continuous hydrophobic stripes or continuous hydrophobic grids;
s4: and compounding the inner layer of the non-woven fabric and the surface layer of the non-woven fabric, and carrying out water-jet bonding for the second time to obtain a finished product of the water-retaining non-woven fabric.
The preferable technical scheme is that the hydrophilic fiber is one or the combination of more than two of cotton fiber, viscose fiber, silk fiber and mercerized wool fiber.
The continuous stripe shape can be a straight line, a sawtooth shape or a ripple shape.
Carry out hydrophobic processing to the non-woven fabrics top layer, form continuous hydrophobic stripe or hydrophobic net on the non-woven fabrics top layer, hydrophobic line plays the effect of blockking to the moisture above that, and when the non-woven fabrics was applied ointment or plaster with vertical surface, the extension water was along the fibre transmission and the time of dripping from the non-woven fabrics to via the guide of hydrophobic line, moisture was collected in the inlayer, guarantees the enrichment of inlayer water.
The preferable technical scheme is that the esterification pretreatment liquid comprises citric acid, an esterification catalyst and water, wherein the weight percentage of the citric acid in the esterification pretreatment liquid is 6-10%, and the molar ratio of the citric acid to the esterification catalyst is 1: (0.8 to 1.5).
The preferable technical scheme is that the preparation process of the hydrophobic treatment liquid comprises the following steps: adding tetraethyl orthosilicate into a mixed solution of water and ethanol, adding 3-aminopropyltrimethoxysilane while stirring, adding ammonia water after uniformly stirring, dropwise adding hexadecyltrimethoxysilane after reacting for 4-5h, and continuing to react for 4-5h, wherein the weight ratio of the ethanol to the water is 10: (1-1.2), the weight ratio of ammonia water to water is (1.3-1.5): 1; the addition amount of tetraethyl orthosilicate is 3-3.5% of the mixed solution, and the addition amount of 3-aminopropyl trimethoxy silane and hexadecyl trimethoxy silane is 1.5-1.8% of the mixed solution.
The preferable technical scheme is that the secondary spunlace is single-sided spunlace, and the high-pressure micro water flow direction of the single-sided spunlace is that the surface layer of the non-woven fabric penetrates into the inner layer of the non-woven fabric.
The preferable technical scheme is that the hydrophilic fiber is cotton fiber, and the gram weight of the water-retaining non-woven fabric is 35-50 g/m2The single-side piercing water jet pressure is (7-10) × 105Pa。
The preferable technical scheme is that the esterification catalyst is at least one selected from sodium aminotriacetate, sodium hypophosphite and imidazole dihydrogen phosphate acidic ionic liquid.
The preferable technical scheme is that the esterification catalyst is formed by combining sodium aminotriacetate and 3-methylimidazole dihydrogen phosphate acidic ionic liquid, and the weight percentage of the ionic liquid in the esterification catalyst is 30-40%. The addition of the 3-methylimidazole dihydrogen phosphate acidic ionic liquid can improve the esterification rate of cellulose.
The invention also aims to provide a water-retaining non-woven fabric which is characterized by being prepared by the preparation method of the water-retaining non-woven fabric.
The invention also aims to provide a preparation method of the water-retaining non-woven fabric mask, which is characterized in that a mask unit is cut on the water-retaining non-woven fabric; wherein, the extending direction of the continuous stripes on the water-retaining non-woven fabric is vertical to the direction from the forehead application area to the chin application area of the mask unit.
The invention has the advantages and beneficial effects that:
the method adopts the all-cotton non-woven fabric as the raw material, forms continuous hydrophobic stripes or hydrophobic grids on the surface layer of the non-woven fabric by locally esterifying and grafting the non-woven fabric, blocks a passage through which water directly falls from the surface layer by utilizing the blocking effect of the hydrophobic stripes and the hydrophobic grids on water flow, and reduces the falling speed of the water;
the water flow falling to the upper part of the non-woven fabric is converged to the inner layer of the non-woven fabric, so that the moisture of the inner layer is sufficient, and the using time of the facial mask can be prolonged when the non-woven fabric is used for the facial mask.
Detailed Description
The following further describes embodiments of the present invention with reference to examples. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
Example 1 (abbreviation S1, the same applies hereinafter)
Example 1 a method for preparing a water-retaining nonwoven fabric, comprising the steps of:
s1, preparing a non-woven fabric inner layer and a non-woven fabric surface layer by taking hydrophilic fibers as raw materials through one-time spunlace respectively;
s2, preparing a hydrophobic treatment solution of hydrophilic fibers;
s3: printing the esterification pretreatment liquid on a non-woven fabric surface layer, drying at 80 ℃ for 5min, baking at 150 ℃ for 2min, printing the hydrophobic treatment liquid on the position of the non-woven fabric surface layer treated by the esterification pretreatment liquid, introducing the non-woven fabric surface layer into a rubber roller for rolling liquid, printing patterns in a plurality of radial continuous sawtooth stripes, and pre-baking at 80 ℃ for 5min and baking at 150 ℃ for 2min to obtain the non-woven fabric surface layer with the continuous hydrophobic sawtooth stripes;
s4: and compounding the inner layer of the non-woven fabric and the surface layer of the non-woven fabric, and carrying out water-jet bonding for the second time to obtain a finished product of the water-retaining non-woven fabric.
Example 1 the hydrophilic fiber was cotton fiber. The gram weight of the water-retaining non-woven fabric is 40g/m2The gram weights of the non-woven fabric inner layer and the non-woven fabric surface layer are respectively 20 g; the primary spunlace and the secondary spunlace are both double-sided spunlaces, and the spunlace pressure is 5 x 105Pa。
The esterification pretreatment liquid comprises oxalic acid, an esterification catalyst and water, wherein the weight percentage of citric acid in the esterification pretreatment liquid is 6%, and the molar ratio of the oxalic acid to the esterification catalyst is 1: 0.8; the esterification catalyst is sodium hypophosphite.
The preparation process of the hydrophobic treatment liquid comprises the following steps: adding tetraethyl orthosilicate into a mixed solution of water and ethanol, adding 3-aminopropyltrimethoxysilane while stirring, adding ammonia water after uniformly stirring, dropwise adding hexadecyltrimethoxysilane after reacting for 4 hours, and continuing to react for 4 hours, wherein the weight ratio of the ethanol to the water is 10: 1, the weight ratio of ammonia water to water is 1.3: 1; the addition amount of tetraethyl orthosilicate is 3 percent of the mixed solution, and the addition amount of 3-aminopropyl trimethoxy silane and hexadecyl trimethoxy silane is 1.8 percent of the mixed solution.
Example 2
Example 2 differs from example 1 in that: the weight percentage of the citric acid in the esterification pretreatment liquid is 10%, and the molar ratio of the citric acid to the esterification catalyst is 1: 1.5.
the preparation process of the hydrophobic treatment liquid comprises the following steps: after the reaction is carried out for 5 hours, dropwise adding hexadecyl trimethoxy silane, and continuing the reaction for 5 hours, wherein the weight ratio of ethanol to water is 10: 1.2, the weight ratio of ammonia water to water is 1.5: 1; the addition amount of tetraethyl orthosilicate is 3.5 percent of the mixed solution, and the addition amount of 3-aminopropyl trimethoxy silane and hexadecyl trimethoxy silane is 1.8 percent of the mixed solution.
Example 3
Example 3 differs from example 2 in that: the weight percentage of the citric acid in the esterification pretreatment liquid is 8%, and the molar ratio of the citric acid to the esterification catalyst is 1: 1.1.
the weight ratio of ethanol to water is 10: 1.1, the weight ratio of ammonia water to water is 1.4: 1; the addition amount of tetraethyl orthosilicate is 3.2 percent of the mixed solution, and the addition amount of 3-aminopropyl trimethoxy silane and hexadecyl trimethoxy silane is 1.65 percent of the mixed solution.
Examples 4 to 5
Examples 4-5 differ from example 3 in that: the esterification catalyst is formed by combining sodium aminotriacetate and 3-methylimidazole dihydrogen phosphate acidic ionic liquid, and the weight percentage of the ionic liquid in the esterification catalyst is 30% and 40% respectively.
Example 6
Example 6 differs from example 5 in that: the second water jet is single-sided water jet, the high-pressure micro water flow direction of the single-sided water jet is that the surface layer of the non-woven fabric punctures to the inner layer of the non-woven fabric, and the water jet pressure of the puncture is (7-10) × 105Pa。
Example 7
Example 7 differs from example 6 in that the hydrophobic pattern of the nonwoven surface layer is a continuous hydrophobic network.
Comparative example (abbreviation D)
The comparative example is the same as the gram weight and the preparation method of the non-woven fabric inner layer and the non-woven fabric surface layer in example 1, except that the non-woven fabric surface layer is not subjected to esterification and hydrophobic treatment and is directly subjected to spunlace compounding with the non-woven fabric inner layer.
The water holding performance detection methods of the examples and the comparative examples are as follows:
cutting 10cm by 10cm samples, soaking the samples in a container with 20ml of viscous essence, applying the samples on glass, inclining the glass for 60 degrees, pouring the rest essence in the container on the samples from the top end liquid, collecting the volume of the essence dripped from the samples within 5min, and performing parallel tests to obtain an average value of three groups, wherein the results are as follows:
the addition of the 3-methylimidazole dihydrogen phosphate acidic ionic liquid can improve the esterification rate of cellulose and further improve the blocking effect of the hydrophobic sawtooth racks.
The volume of the dripping essence of the embodiment 6 is superior to that of the embodiment 5, because the high-pressure fine water flow direction of the single-side spunlace is that the non-woven fabric surface layer punctures into the non-woven fabric inner layer, the hydrophobic fibers in the non-woven fabric surface layer are introduced into the layer, the dripping effect of the water body can be optimized, and the effect of the viscous essence is more obvious.
The minimal volume of dripping serum of example 7 is due to the grid-like hydrophobic strips that achieve the bi-directional barrier to both lateral and longitudinal moisture transport.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. A preparation method of a water-retaining non-woven fabric is characterized by comprising the following steps:
s1, preparing a non-woven fabric inner layer and a non-woven fabric surface layer by taking hydrophilic fibers as raw materials through one-time spunlace respectively;
s2, preparing a hydrophobic treatment solution of hydrophilic fibers;
s3: printing the esterification pretreatment liquid on the surface layer of the non-woven fabric, drying and baking, printing the hydrophobic treatment liquid on the position of the surface layer of the non-woven fabric, which is treated by the esterification pretreatment liquid, guiding the surface layer of the non-woven fabric into a rubber rod for rolling liquid, wherein the printing pattern is a plurality of longitudinal continuous stripes or grids, and pre-baking to obtain the surface layer of the non-woven fabric with continuous hydrophobic stripes or continuous hydrophobic grids;
s4: and compounding the inner layer of the non-woven fabric and the surface layer of the non-woven fabric, and carrying out water-jet bonding for the second time to obtain a finished product of the water-retaining non-woven fabric.
2. The method for preparing a water-retaining nonwoven fabric according to claim 1, wherein the hydrophilic fiber is one or a combination of two or more selected from the group consisting of cotton fiber, viscose fiber, silk fiber and mercerized wool fiber.
3. The preparation method of the water-retaining non-woven fabric according to claim 1, wherein the esterification pretreatment liquid comprises citric acid, an esterification catalyst and water, wherein the weight percentage of the citric acid in the esterification pretreatment liquid is 6-10%, and the molar ratio of the citric acid to the esterification catalyst is 1: (0.8 to 1.5).
4. The method for preparing the water-retaining nonwoven fabric according to claim 2, wherein the hydrophobic treatment liquid is prepared by: adding tetraethyl orthosilicate into a mixed solution of water and ethanol, adding 3-aminopropyltrimethoxysilane while stirring, adding ammonia water after uniformly stirring, dropwise adding hexadecyltrimethoxysilane after reacting for 4-5h, and continuing to react for 4-5h, wherein the weight ratio of the ethanol to the water is 10: (1-1.2), the weight ratio of ammonia water to water is (1.3-1.5): 1; the addition amount of tetraethyl orthosilicate is 3-3.5% of the mixed solution, and the addition amount of 3-aminopropyl trimethoxy silane and hexadecyl trimethoxy silane is 1.5-1.8% of the mixed solution.
5. The method for preparing the water-retention non-woven fabric according to claim 4, wherein the second water-punching is single-sided water-punching, and the direction of the high-pressure fine water flow of the single-sided water-punching is from the surface layer of the non-woven fabric to the inner layer of the non-woven fabric.
6. The method for preparing the water-retaining nonwoven fabric according to claim 5, wherein the hydrophilic fiber is a cotton fiber, and the grammage of the water-retaining nonwoven fabric is 35-50 g/m2The single-side piercing water jet pressure is (7-10) × 105Pa。
7. The method of claim 3, wherein the esterification catalyst is at least one selected from the group consisting of sodium aminotriacetate, sodium hypophosphite, and imidazole dihydrogen phosphate acidic ionic liquid.
8. The method for preparing the water non-woven fabric according to claim 7, wherein the esterification catalyst is formed by combining sodium aminotriacetate and 3-methylimidazole dihydrogen phosphate acidic ionic liquid, and the weight percentage of the ionic liquid in the esterification catalyst is 30-40%.
9. A water-retaining nonwoven fabric produced by the method for producing a water-retaining nonwoven fabric according to any one of claims 1 to 8.
10. A method for producing a water-retaining nonwoven fabric mask, characterized by die-cutting a mask unit on the water-retaining nonwoven fabric according to claim 9; wherein, the extending direction of the continuous stripes on the water-retaining non-woven fabric is vertical to the direction from the forehead application area to the chin application area of the mask unit.
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| WO2021167503A1 (en) * | 2020-02-17 | 2021-08-26 | Essity Hygiene And Health Aktiebolag | A ply fibrous product |
| CN111926582A (en) * | 2020-08-18 | 2020-11-13 | 希肤新材料发展(南通)有限公司 | Unidirectional conductive mask cloth and manufacturing method and application thereof |
| CN112192915A (en) * | 2020-11-16 | 2021-01-08 | 同高纺织化纤(深圳)有限公司 | Preparation method of medical antibacterial composite non-woven fabric |
| CN113062047A (en) * | 2021-03-30 | 2021-07-02 | 杭州湿法无纺布设备有限公司 | Production process of plain mesh jacquard non-woven fabric |
| CN114016302A (en) * | 2021-11-05 | 2022-02-08 | 福建百爵纸制品有限责任公司 | Preparation method of pure cotton non-woven fabric with dry and comfortable surface finish, non-woven fabric and device |
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| JP2003135612A (en) * | 2001-10-31 | 2003-05-13 | Hakugen:Kk | Filter for mask, and mask |
| JP3751912B2 (en) * | 2002-04-05 | 2006-03-08 | 憲司 中村 | Face mask |
| JP2013159880A (en) * | 2012-02-06 | 2013-08-19 | Asahi Kasei Fibers Corp | Nonwoven fabric |
| JP6005977B2 (en) * | 2012-04-24 | 2016-10-12 | 旭化成株式会社 | Sheet for makeup |
| JP6121223B2 (en) * | 2013-04-10 | 2017-04-26 | 旭化成株式会社 | Chemical solution impregnated sheet |
| CN104594028B (en) * | 2015-02-03 | 2017-01-11 | 上海工程技术大学 | Method for preparing durable cellulose fiber fabric with super-hydrophobic surface |
| JP6714442B2 (en) * | 2016-06-10 | 2020-06-24 | 宇部エクシモ株式会社 | Nonwoven fabric for beauty sheet, beauty sheet, and method for manufacturing nonwoven fabric for beauty sheet |
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