CN112030563A - Preparation method of special-shaped cross-section fiber non-woven fabric with one-way moisture-conducting function - Google Patents
Preparation method of special-shaped cross-section fiber non-woven fabric with one-way moisture-conducting function Download PDFInfo
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- CN112030563A CN112030563A CN202010704535.2A CN202010704535A CN112030563A CN 112030563 A CN112030563 A CN 112030563A CN 202010704535 A CN202010704535 A CN 202010704535A CN 112030563 A CN112030563 A CN 112030563A
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- 239000004745 nonwoven fabric Substances 0.000 title claims abstract description 51
- 239000000835 fiber Substances 0.000 title claims abstract description 11
- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- VYFYYTLLBUKUHU-UHFFFAOYSA-N dopamine Chemical compound NCCC1=CC=C(O)C(O)=C1 VYFYYTLLBUKUHU-UHFFFAOYSA-N 0.000 claims abstract description 46
- 229960003638 dopamine Drugs 0.000 claims abstract description 23
- 229920002873 Polyethylenimine Polymers 0.000 claims abstract description 20
- 229920000728 polyester Polymers 0.000 claims abstract description 7
- 238000007306 functionalization reaction Methods 0.000 claims abstract description 6
- 230000002209 hydrophobic effect Effects 0.000 claims abstract description 6
- 239000002105 nanoparticle Substances 0.000 claims abstract description 6
- 239000000243 solution Substances 0.000 claims description 43
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 22
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 19
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 19
- 238000003756 stirring Methods 0.000 claims description 19
- 239000000203 mixture Substances 0.000 claims description 15
- 239000000377 silicon dioxide Substances 0.000 claims description 11
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 10
- 235000012239 silicon dioxide Nutrition 0.000 claims description 10
- 238000005507 spraying Methods 0.000 claims description 8
- 238000005303 weighing Methods 0.000 claims description 8
- 239000003795 chemical substances by application Substances 0.000 claims description 7
- 238000000151 deposition Methods 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- QTRSWYWKHYAKEO-UHFFFAOYSA-N 1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,10-henicosafluorodecyl-tris(1,1,2,2,2-pentafluoroethoxy)silane Chemical compound FC(F)(F)C(F)(F)O[Si](OC(F)(F)C(F)(F)F)(OC(F)(F)C(F)(F)F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F QTRSWYWKHYAKEO-UHFFFAOYSA-N 0.000 claims description 5
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 5
- 239000004890 Hydrophobing Agent Substances 0.000 claims description 5
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 claims description 5
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 5
- SCPWMSBAGXEGPW-UHFFFAOYSA-N dodecyl(trimethoxy)silane Chemical compound CCCCCCCCCCCC[Si](OC)(OC)OC SCPWMSBAGXEGPW-UHFFFAOYSA-N 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 5
- RSKGMYDENCAJEN-UHFFFAOYSA-N hexadecyl(trimethoxy)silane Chemical compound CCCCCCCCCCCCCCCC[Si](OC)(OC)OC RSKGMYDENCAJEN-UHFFFAOYSA-N 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 4
- 239000007983 Tris buffer Substances 0.000 claims description 3
- 238000007605 air drying Methods 0.000 claims description 3
- 238000013329 compounding Methods 0.000 claims description 3
- IXCSERBJSXMMFS-UHFFFAOYSA-N hcl hcl Chemical compound Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- LENZDBCJOHFCAS-UHFFFAOYSA-N tris Chemical compound OCC(N)(CO)CO LENZDBCJOHFCAS-UHFFFAOYSA-N 0.000 claims description 3
- 239000000126 substance Substances 0.000 abstract description 4
- 239000003153 chemical reaction reagent Substances 0.000 abstract description 3
- 238000012986 modification Methods 0.000 abstract description 3
- 230000004048 modification Effects 0.000 abstract description 3
- 238000012827 research and development Methods 0.000 abstract description 3
- 238000011160 research Methods 0.000 description 5
- 238000007619 statistical method Methods 0.000 description 4
- 230000035699 permeability Effects 0.000 description 3
- 239000004753 textile Substances 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000002759 woven fabric Substances 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/61—Polyamines polyimines
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- 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
-
- 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
-
- 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
- D06M13/322—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 nitrogen
- D06M13/368—Hydroxyalkylamines; Derivatives thereof, e.g. Kritchevsky bases
-
- 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
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/30—Synthetic polymers consisting of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/32—Polyesters
-
- 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
Abstract
The invention discloses a preparation method of a special-shaped section fiber non-woven fabric with a unidirectional moisture-conducting function, which comprises the following steps: (1) preparing the polyester non-woven fabric with the special-shaped section; (2) co-deposition of dopamine/nanoparticles/polyethyleneimine (DA/SiC/PEI); (3) and (5) performing hydrophobic functionalization treatment. According to the invention, a rough structure is formed on the surface of the fiber based on green dopamine chemistry, dopamine not only has a plurality of active groups and can be modified in various functions, but also has super-strong adhesion performance to further improve the durability and feasibility of the surface modification, and dopamine is a natural mucin substance, is more environment-friendly than the traditional chemical reagent, and has more profound research and development values.
Description
Technical Field
The invention belongs to the technical field of textile materials and textile design, and particularly relates to a preparation method of a special-shaped cross-section fiber non-woven fabric with a unidirectional moisture-conducting function.
Background
With the improvement of living standard and the rapid development of global industrialization, the traditional textile can not meet various requirements of people, and the non-woven fabric produced therewith has played an important role in various fields gradually due to various excellent characteristics of low cost, high yield, stable physical and chemical properties and the like. Dopamine (DA) can functionally modify most of the surface interface by virtue of its excellent adhesion properties and its own structure with many active groups. In recent years, based on the fact that research on dopamine in various fields is only increasing, various research results are continuously invented and gradually applied to various fields. More importantly, the dopamine not only has a plurality of active groups and can be modified in various functions, but also has super-strong adhesion performance, so that the durability and feasibility of surface modification are improved, and the dopamine is a natural mucin substance, is more environment-friendly than the traditional chemical reagent, and has more profound research and development values.
The current research system for the one-way moisture-conducting function of traditional knitted fabrics and woven fabrics is relatively complete, but the research for the one-way moisture-conducting performance of non-woven fabrics is still in the development stage, and the non-woven fabrics have more excellent performance compared with the traditional fabrics, so that the research on the one-way moisture-conducting performance of the non-woven fabrics has important significance for expanding the application field of the non-woven fabrics and various functional characteristics of the non-woven fabrics.
Disclosure of Invention
The invention aims to provide a preparation method of a non-woven fabric with a special-shaped cross section and a unidirectional moisture-conducting function, and solves the problems of poor adhesion of nano particles on the surface of a matrix and poor mechanical property of a non-woven product.
The technical scheme provided by the invention is as follows:
a preparation method of special-shaped section fiber non-woven fabric with a unidirectional moisture-conducting function comprises the following steps:
step 1: preparation of special-shaped section polyester non-woven fabric
Through the dry method non-woven fabric production process flow, the weight is 300-100g/m2The needling density is 350 needling/cm2And 200 spines/cm2Compounding the fiber webs to obtain the polyester non-woven fabric with the special-shaped section;
step 2: co-deposition of dopamine/nanoparticle/polyethyleneimine (DA/SiC/PEI)
Preparing 50mmol/L Tris solution, and then adding 0.1mol/L hydrochloric acid (HCl) to adjust the pH value to 8.5 to obtain solution I; weighing DA in a certain mass, fully dissolving the solution I, and uniformly stirring to prepare a solution II with the concentration of 2 mg/mL; adding silicon carbide particles (SiC, 0.5-0.7 um) with a certain mass, and fully stirring for 15min to obtain a silicon carbide solution with the concentration of 2%, namely a solution (c); dissolving a certain mass of PEI into the solution (c), wherein the concentration of PEI is 1mg/mL, and magnetically stirring for 30min to obtain a DA/SiC/PEI solution; finally, uniformly spraying DA/SiC/PEI solution on the side, with low needling density, of the non-woven fabric (5 x 5cm) obtained in the step 1, after depositing for 2 hours, arranging the deposited non-woven fabric in a forced air drying oven, and standing for 3 hours at 50 ℃ for later use;
and step 3: hydrophobic functionalization treatment
Weighing 100.0mL of absolute ethyl alcohol, placing the absolute ethyl alcohol in a 250.0mL round-bottom flask, slowly adding 15.0mL of ammonia water, heating the mixture to 50 ℃ in a water bath kettle, continuously stirring the mixture for 30min, slowly adding 6.0mL of ethyl orthosilicate solution into the solution within 1h, and continuously stirring the solution at constant temperature for 1h to prepare silicon dioxide sol; under the condition of room temperature, 1.0mL of perfluorodecyl triethoxysilane, 2.0mL of hexadecyl trimethoxysilane and 2.0mL of dodecyl trimethoxysilane are measured and added into the silicon dioxide sol dropwise, and the mixture is stirred at constant temperature for 30min continuously to obtain a hydrophobizing agent; and finally, uniformly spraying the hydrophobing agent with different volumes on one side of the non-woven fabric with the single-side deposited obtained in the step 2, and airing under natural conditions to obtain the non-woven fabric with the special-shaped cross section and the unidirectional moisture-conducting function.
Further, in the step 3, the volume range of the sprayed hydrophobizing agent is as follows: 100 and 300 mL.
Compared with the prior art, the invention has the following beneficial effects:
(1) according to the invention, a rough structure is formed on the surface of the fiber based on green dopamine chemistry, dopamine not only has a plurality of active groups and can be modified in various functions, but also has super-strong adhesion performance to further improve the durability and feasibility of the surface modification, and dopamine is a natural mucin substance, is more environment-friendly than the traditional chemical reagent, and has more profound research and development values.
(2) The introduction of silica and silicon carbide nanoparticles can improve the mechanical properties of the non-woven fabric.
Detailed Description
The technical solution of the present invention is clearly and completely described below with reference to specific embodiments. It is obvious that the described embodiments are only some of the embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
A preparation method of a non-woven fabric with a profiled cross section and a one-way moisture-conducting function is characterized by comprising the following steps:
step 1: preparation of special-shaped section polyester non-woven fabric
Through the dry method non-woven fabric production process flow, the weight is 300-100g/m2The needling density is 350 needling/cm2And 200 spines/cm2Compounding the fiber webs to obtain the polyester non-woven fabric with the special-shaped section;
step 2: co-deposition of dopamine/nanoparticle/polyethyleneimine (DA/SiC/PEI)
Preparing 50mmol/L Tris solution, and then adding 0.1mol/L hydrochloric acid (HCl) to adjust the pH value to 8.5 to obtain solution I; weighing DA in a certain mass, fully dissolving the solution I, and uniformly stirring to prepare a solution II with the concentration of 2 mg/mL; adding silicon carbide particles (SiC, 0.5-0.7 um) with a certain mass, and fully stirring for 15min to obtain a silicon carbide solution with the concentration of 2%, namely a solution (c); dissolving a certain mass of PEI into the solution (c), wherein the concentration of PEI is 1mg/mL, and magnetically stirring for 30min to obtain a DA/SiC/PEI solution; finally, uniformly spraying DA/SiC/PEI solution on the side, with low needling density, of the non-woven fabric (5 x 5cm) obtained in the step 1, after depositing for 2 hours, arranging the deposited non-woven fabric in a forced air drying oven, and standing for 3 hours at 50 ℃ for later use;
and step 3: hydrophobic functionalization treatment
Weighing 100.0mL of absolute ethyl alcohol, placing the absolute ethyl alcohol in a 250.0mL round-bottom flask, slowly adding 15.0mL of ammonia water, heating the mixture to 50 ℃ in a water bath kettle, continuously stirring the mixture for 30min, slowly adding 6.0mL of ethyl orthosilicate solution into the solution within 1h, and continuously stirring the solution at constant temperature for 1h to prepare silicon dioxide sol; under the condition of room temperature, 1.0mL of perfluorodecyl triethoxysilane, 2.0mL of hexadecyl trimethoxysilane and 2.0mL of dodecyl trimethoxysilane are measured and added into the silicon dioxide sol dropwise, and the mixture is stirred at constant temperature for 30min continuously to obtain a hydrophobizing agent; and finally, uniformly spraying 100mL of the hydrophobing agent on one side of the non-woven fabric with the single-side deposited obtained in the step 2, and airing under natural conditions to obtain the non-woven fabric with the special-shaped cross section and the unidirectional moisture-conducting function.
Example 2
Steps 1 to 2 of example 2 are the same as steps 1 to 2 in example 1.
And step 3: hydrophobic functionalization treatment
Weighing 100.0mL of absolute ethyl alcohol, placing the absolute ethyl alcohol in a 250.0mL round-bottom flask, slowly adding 15.0mL of ammonia water, heating the mixture to 50 ℃ in a water bath kettle, continuously stirring the mixture for 30min, slowly adding 6.0mL of ethyl orthosilicate solution into the solution within 1h, and continuously stirring the solution at constant temperature for 1h to prepare silicon dioxide sol; under the condition of room temperature, 1.0mL of perfluorodecyl triethoxysilane, 2.0mL of hexadecyl trimethoxysilane and 2.0mL of dodecyl trimethoxysilane are measured and added into the silicon dioxide sol dropwise, and the mixture is stirred at constant temperature for 30min continuously to obtain a hydrophobizing agent; and finally, uniformly spraying 200mL of the hydrophobing agent on one side of the non-woven fabric with the single-side deposited obtained in the step 2, and airing under natural conditions to obtain the non-woven fabric with the special-shaped cross section and the unidirectional moisture-conducting function.
Example 3
Steps 1 to 2 of example 3 are the same as steps 1 to 2 in example 1.
And step 3: hydrophobic functionalization treatment
Weighing 100.0mL of absolute ethyl alcohol, placing the absolute ethyl alcohol in a 250.0mL round-bottom flask, slowly adding 15.0mL of ammonia water, heating the mixture to 50 ℃ in a water bath kettle, continuously stirring the mixture for 30min, slowly adding 6.0mL of ethyl orthosilicate solution into the solution within 1h, and continuously stirring the solution at constant temperature for 1h to prepare silicon dioxide sol; under the condition of room temperature, 1.0mL of perfluorodecyl triethoxysilane, 2.0mL of hexadecyl trimethoxysilane and 2.0mL of dodecyl trimethoxysilane are measured and added into the silicon dioxide sol dropwise, and the mixture is stirred at constant temperature for 30min continuously to obtain a hydrophobizing agent; and finally, uniformly spraying 300mL of the hydrophobing agent on one side of the non-woven fabric with the single-side deposited obtained in the step 2, and airing under natural conditions to obtain the non-woven fabric with the special-shaped cross section and the unidirectional moisture-conducting function.
The performance test of the non-woven fabric with the unidirectional moisture-conducting function obtained in the example shows that the results are as follows:
(1) the statistical analysis of the air permeability of the non-woven fabric by using the TG4612 type air permeability tester shows that the air permeability of the non-woven fabric related to the invention is 464-561 mm/s.
(2) The statistical analysis of the mechanical properties of the non-woven fabric by using a YG026D-1000 type strength tester shows that the elongation at break in the transverse and longitudinal directions of the non-woven fabric is 75-90% and 90-100% respectively.
(3) The mechanical property statistical analysis of the non-woven fabric by using JC2000C1 type contact angle tester shows that the static contact angle of the non-woven fabric related to the invention is 110-120 degrees.
(4) The mechanical property statistical analysis of the non-woven fabric by using the M290 type liquid water management tester shows that the non-woven fabric has the function of one-way moisture conduction.
Claims (2)
1. A preparation method of a non-woven fabric with a profiled cross section and a one-way moisture-conducting function is characterized by comprising the following steps:
step 1: preparation of special-shaped section polyester non-woven fabric
Through the dry method non-woven fabric production process flow, the weight is 300-100g/m2The needling density is 350 needling/cm2And 200 spines/cm2Compounding the fiber webs to obtain the polyester non-woven fabric with the special-shaped section;
step 2: co-deposition of dopamine/nanoparticle/polyethyleneimine (DA/SiC/PEI)
Preparing 50mmol/L Tris solution, and then adding 0.1mol/L hydrochloric acid (HCl) to adjust the pH value to 8.5 to obtain solution I; weighing DA in a certain mass, fully dissolving the solution I, and uniformly stirring to prepare a solution II with the concentration of 2 mg/mL; adding silicon carbide particles (SiC, 0.5-0.7 um) with a certain mass, and fully stirring for 15min to obtain a silicon carbide solution with the concentration of 2%, namely a solution (c); dissolving a certain mass of PEI into the solution (c), wherein the concentration of PEI is 1mg/mL, and magnetically stirring for 30min to obtain a DA/SiC/PEI solution; finally, uniformly spraying DA/SiC/PEI solution on the side, with low needling density, of the non-woven fabric (5 x 5cm) obtained in the step 1, after depositing for 2 hours, arranging the deposited non-woven fabric in a forced air drying oven, and standing for 3 hours at 50 ℃ for later use;
and step 3: hydrophobic functionalization treatment
Weighing 100.0mL of absolute ethyl alcohol, placing the absolute ethyl alcohol in a 250.0mL round-bottom flask, slowly adding 15.0mL of ammonia water, heating the mixture to 50 ℃ in a water bath kettle, continuously stirring the mixture for 30min, slowly adding 6.0mL of ethyl orthosilicate solution into the solution within 1h, and continuously stirring the solution at constant temperature for 1h to prepare silicon dioxide sol; under the condition of room temperature, 1.0mL of perfluorodecyl triethoxysilane, 2.0mL of hexadecyl trimethoxysilane and 2.0mL of dodecyl trimethoxysilane are measured and added into the silicon dioxide sol dropwise, and the mixture is stirred at constant temperature for 30min continuously to obtain a hydrophobizing agent; and finally, uniformly spraying the hydrophobing agent with different volumes on one side of the non-woven fabric with the single-side deposited obtained in the step 2, and airing under natural conditions to obtain the non-woven fabric with the special-shaped cross section and the unidirectional moisture-conducting function.
2. The method for preparing the profiled-section fiber non-woven fabric with the unidirectional moisture-conducting function according to the claim 1, wherein in the step 3, the volume range of the sprayed hydrophobizing agent is as follows: 100 and 300 mL.
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| CN202010704535.2A CN112030563A (en) | 2020-07-21 | 2020-07-21 | Preparation method of special-shaped cross-section fiber non-woven fabric with one-way moisture-conducting function |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009029979A1 (en) * | 2007-09-03 | 2009-03-12 | Deakin University | Coating composition and process for the preparation thereof |
| CN104594028A (en) * | 2015-02-03 | 2015-05-06 | 上海工程技术大学 | Method for preparing durable cellulose fiber fabric with super-hydrophobic surface |
| CN108677540A (en) * | 2018-05-29 | 2018-10-19 | 天津工业大学 | A kind of preparation method of quickly unidirectional water guide non-woven cloth |
| CN109675347A (en) * | 2019-01-29 | 2019-04-26 | 西安工程大学 | The preparation method of modifying super hydrophobicity waste wool nonwoven oil sorbents |
| CN110820349A (en) * | 2019-11-20 | 2020-02-21 | 中国科学院兰州化学物理研究所 | Method for modifying polytetrafluoroethylene-aramid fiber blended fabric by combining dopamine-polyethyleneimine-nanoparticles |
-
2020
- 2020-07-21 CN CN202010704535.2A patent/CN112030563A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009029979A1 (en) * | 2007-09-03 | 2009-03-12 | Deakin University | Coating composition and process for the preparation thereof |
| CN104594028A (en) * | 2015-02-03 | 2015-05-06 | 上海工程技术大学 | Method for preparing durable cellulose fiber fabric with super-hydrophobic surface |
| CN108677540A (en) * | 2018-05-29 | 2018-10-19 | 天津工业大学 | A kind of preparation method of quickly unidirectional water guide non-woven cloth |
| CN109675347A (en) * | 2019-01-29 | 2019-04-26 | 西安工程大学 | The preparation method of modifying super hydrophobicity waste wool nonwoven oil sorbents |
| CN110820349A (en) * | 2019-11-20 | 2020-02-21 | 中国科学院兰州化学物理研究所 | Method for modifying polytetrafluoroethylene-aramid fiber blended fabric by combining dopamine-polyethyleneimine-nanoparticles |
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