CN114351361A - Method for manufacturing nano slow-release non-woven fabric - Google Patents
Method for manufacturing nano slow-release non-woven fabric Download PDFInfo
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- CN114351361A CN114351361A CN202111493768.3A CN202111493768A CN114351361A CN 114351361 A CN114351361 A CN 114351361A CN 202111493768 A CN202111493768 A CN 202111493768A CN 114351361 A CN114351361 A CN 114351361A
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- nano
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- woven fabric
- soluble polymer
- pet
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- 239000004745 nonwoven fabric Substances 0.000 title claims abstract description 52
- 238000000034 method Methods 0.000 title claims abstract description 28
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 16
- 229920003169 water-soluble polymer Polymers 0.000 claims abstract description 18
- 239000002245 particle Substances 0.000 claims abstract description 14
- 238000009987 spinning Methods 0.000 claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000000835 fiber Substances 0.000 claims abstract description 11
- 239000007787 solid Substances 0.000 claims abstract description 7
- 239000002105 nanoparticle Substances 0.000 claims abstract description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- 230000000844 anti-bacterial effect Effects 0.000 claims description 4
- 238000001035 drying Methods 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 4
- 229920000642 polymer Polymers 0.000 claims description 4
- 238000013268 sustained release Methods 0.000 claims description 4
- 239000012730 sustained-release form Substances 0.000 claims description 4
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 3
- 230000009471 action Effects 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 229910021389 graphene Inorganic materials 0.000 claims description 3
- 241000411851 herbal medicine Species 0.000 claims description 3
- 239000000155 melt Substances 0.000 claims description 3
- 238000002844 melting Methods 0.000 claims description 3
- 230000008018 melting Effects 0.000 claims description 3
- 239000004332 silver Substances 0.000 claims description 3
- 229910052709 silver Inorganic materials 0.000 claims description 3
- 239000002904 solvent Substances 0.000 claims description 2
- 239000007864 aqueous solution Substances 0.000 claims 1
- 239000000243 solution Substances 0.000 claims 1
- 230000002045 lasting effect Effects 0.000 abstract description 4
- 238000002360 preparation method Methods 0.000 abstract description 4
- 238000009827 uniform distribution Methods 0.000 abstract description 3
- 238000010521 absorption reaction Methods 0.000 abstract description 2
- 239000003814 drug Substances 0.000 abstract description 2
- 238000001816 cooling Methods 0.000 abstract 1
- 229940079593 drug Drugs 0.000 abstract 1
- 229920002292 Nylon 6 Polymers 0.000 description 12
- 239000005020 polyethylene terephthalate Substances 0.000 description 11
- 229920000139 polyethylene terephthalate Polymers 0.000 description 10
- 239000004372 Polyvinyl alcohol Substances 0.000 description 8
- 229920002451 polyvinyl alcohol Polymers 0.000 description 8
- 238000000576 coating method Methods 0.000 description 4
- 239000008204 material by function Substances 0.000 description 3
- 241000237502 Ostreidae Species 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 235000020636 oyster Nutrition 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 229920006052 Chinlon® Polymers 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 229920004933 Terylene® Polymers 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- -1 for example Substances 0.000 description 1
- 238000005098 hot rolling Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002074 melt spinning Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000006068 polycondensation reaction Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000002166 wet spinning Methods 0.000 description 1
Landscapes
- Nonwoven Fabrics (AREA)
Abstract
The invention relates to the field of non-woven fabric production processes, in particular to a preparation method of a non-woven fabric with a nanometer slow-release function and the non-woven fabric obtained by the preparation method. The invention comprises the following steps: putting PET slices and PA6 slices into a spinning manifold, then putting the PET slices and the PA6 slices into a hollow or solid spinning assembly, introducing a water-soluble polymer containing nano-scale functional particles, simultaneously putting the water-soluble polymer and the nano-scale functional particles into a spinneret plate to be converged, volatilizing a hydrosolvent, leaving the water-soluble polymer and the nano-scale functional particles to form a tow with an orange-petal-shaped section, cooling and drafting the tow by a high-speed airflow, then lapping on a lapping machine, and carrying out high-pressure spunlace fiber opening to form a non-woven fabric with a nano slow-release function; the nonwoven fabric is washed with hot water to remove the water-soluble polymer and dried. The functional non-woven fabric nano-particles prepared by the method are coated in PET and PA6 non-woven fabrics, so that multiple functions of drug slow release, water absorption, hydrophobicity and the like can be realized, and compared with the traditional method, the method has the advantages of lasting function, uniform distribution, firmness and easiness in use.
Description
Technical Field
The invention relates to the field of non-woven fabric production processes, in particular to a preparation method of a non-woven fabric with a nanometer slow-release function and the non-woven fabric obtained by the preparation method.
Background
The non-woven fabric is a non-woven fabric which is formed by directly using high polymer slices, short fibers or filaments to form a face or a net, then carrying out spunlace, needling or hot rolling reinforcement, and finally carrying out after-treatment. The non-woven fabric is a novel fiber product with soft, breathable and planar structure, does not generate fiber scraps in use, and is tough, durable and soft. The non-woven fabric is easy to form and low in manufacturing cost, along with the development of science and technology, the variety of the non-woven fabric is continuously increased, and the application range is expanded from the daily life of people to a plurality of fields such as industry, agriculture, transportation, military affairs, sanitation and the like.
With the development of technology, various nonwoven fabric products with composite functions, such as functional nonwoven fabrics with antibacterial, antistatic, water absorbing, waterproof and the like, have been developed, and the improvement direction of these products is to utilize the characteristics of the nonwoven fabric base material itself and also to adopt a method of adding composite materials, for example, functional materials are added into the nonwoven fabric by means of adding coatings, and the coatings are usually compounded on the surface of the fabric by means of adhesive coating or spray coating, but the functional nonwoven fabric prepared by this method has the advantages of easy coating falling off, non-lasting function and uneven dispersion. In the prior art, functional oysters are added into a chip carrier for blend spinning to prepare functional non-woven fabrics by a method of adding master batches, but the method has extremely high heat-resistant requirements on the master batches, and the functional oysters need to be subjected to high-temperature processes such as a screw extruder, melt filtration, a metering pump and a spinning assembly, so that fewer functional materials can be added and the functional materials are easy to damage.
Therefore, it is necessary to improve the method for producing a functional nonwoven fabric and develop a novel method for producing a nonwoven fabric which is easy to produce and has more functions.
Disclosure of Invention
In order to solve the technical problems in the prior art, the invention provides a novel method for manufacturing a nano slow-release non-woven fabric, which enables the functional non-woven fabric to realize multi-functional compounding, improves the distribution degree and firmness, and realizes long-term and slow release of functions.
The method for manufacturing the nano slow-release non-woven fabric comprises the following steps:
respectively drying PET slices and PA6 slices, extruding by a screw rod, melting and filtering, and then feeding into a spinning manifold;
b. into a hollow or solid spinning assembly, introducing PET and PA6 polymer into a water-soluble polymer containing nano-scale functional particles when entering a spinneret;
c. the water-soluble polymer spinning solution and PET and PA6 high-temperature melts enter a spinneret plate simultaneously to be converged, water solvent is volatilized under the action of high temperature, water-soluble polymer and nano-scale functional particles are left, and the water-soluble polymer and the nano-scale functional particles form orange petal-shaped filament bundles with PET and PA6, and the filament bundles are cooled, drawn by high-speed airflow and then are lapped on a lapping machine;
d. performing high-pressure spunlace to perform fiber opening to form non-woven fabric with nano slow release function;
e. the nonwoven fabric is washed with hot water to remove the water-soluble polymer and dried.
Preferably, the water-soluble polymer in the step c is PVA, and one or more of nano-scale particles such as coffee carbon, graphene, Chinese herbal medicines, silver antibacterial master batches, water-absorbing particles and the like are added into the PVA water solution.
Preferably, the orange-petal spinneret used in step c may be solid or hollow, and the number of petals is 16, 32 or 64.
Preferably, hot water with the temperature of 50-100 ℃ is adopted in the step e,
preferably, the opening rate is controlled to 80% or more in the step d.
The functional nonwoven fabric manufactured by the above method is a filament ultra-fine nonwoven fabric.
The grammage of the functional nonwoven fabric manufactured according to the above method is 30-200 gsm.
The single fiber fineness of the functional non-woven fabric manufactured according to the method is between 0.005D and 0.3D.
The nano slow-release non-woven fabric obtained by the manufacturing method disclosed by the invention has the advantages that the nano particles are coated in the PET and PA6 non-woven fabric, so that various functions of slow release, water absorption, hydrophobicity and the like of a medicine can be realized, compared with the traditional method, the method is simple, and the prepared product has the advantages of lasting function, uniform distribution, firmness and easiness in use. The non-woven fabric obtained by the method can be widely applied to various fields, such as wiping cloth in the living field, masks in the sanitary field and the like.
Detailed Description
In order to better understand the technical solution of the present application, the following detailed description is made on the embodiments of the present application.
It should be understood that the embodiments described are only a few embodiments of the present application, and not all embodiments. 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 application.
The technical terms in the present invention are defined as follows: PET, polyester fiber, commonly called "terylene", is a synthetic fiber obtained by spinning polyester formed by polycondensation of organic dibasic acid and dihydric alcohol; PA6, polyamide 6, commonly known as chinlon 6 and nylon 6, contains amido bond (-CO-NH-); PVA, polyvinyl alcohol.
The method for manufacturing the nano sustained-release non-woven fabric comprises the following steps:
respectively drying PET slices and PA6 slices, extruding by a screw rod, melting and filtering, and then feeding into a spinning manifold;
b. the PET and PA6 polymers are introduced into a hollow or solid spinning assembly, and when entering a spinneret plate, the water-soluble polymers are PVA (polyvinyl alcohol), and contain nano-scale functional particles, including one or more of coffee carbon, graphene, Chinese herbal medicines, silver antibacterial master batches, water-absorbing particles and other nano-scale particles;
c. the water-soluble polymer spinning solution and PET and PA6 high-temperature melts enter a spinneret plate simultaneously to be converged, the hydrosolvent is volatilized under the action of high temperature, PVA and nano-scale functional particles are left, and are formed into orange-petal-shaped section tows together with PET and PA6, the orange-petal-shaped spinneret plate is solid or hollow, the number of the petals is 16, 32 or 64, and the tows are cooled and drawn by high-speed airflow and then are lapped on a lapping machine;
d. splitting by high-pressure spunlace, and controlling the splitting rate to be more than 80% to form the filament superfine non-woven fabric with the nanometer slow-release function;
e. washing the PVA from the non-woven fabric by hot water at 50-100 ℃ and drying.
The grammage of the functional nonwoven made according to the example method is 30-200 gsm.
The individual fiber fineness of the functional nonwoven fabric manufactured according to the example method was between 0.005D and 0.3D.
The non-woven fabric manufactured by the invention is combined with melt spinning and wet spinning, so that the possibility of more complex functions of the non-woven fabric is given, nano-scale substances can be uniformly dispersed and wrapped in the fiber, the non-woven fabric is not easy to fall off, the service life is long, and the slow-release function can be really realized. Compared with the traditional method, the method is simple, and the prepared product has lasting functions, uniform distribution, firmness and easy use.
Finally, it should be noted that the above embodiments are merely representative examples of the present invention. It is obvious that the invention is not limited to the above-described embodiments, but that many variations are possible. Any simple modification, equivalent change and modification made to the above embodiments in accordance with the technical spirit of the present invention should be considered to be within the scope of the present invention.
Claims (8)
1. A method for manufacturing nano slow-release non-woven fabric is characterized by comprising the following steps:
respectively drying PET slices and PA6 slices, extruding by a screw rod, melting and filtering, and then feeding into a spinning manifold;
b. into a hollow or solid spinning assembly, introducing PET and PA6 polymer into a water-soluble polymer containing nano-scale functional particles when entering a spinneret;
c. the water-soluble polymer spinning solution and PET and PA6 high-temperature melts enter a spinneret plate simultaneously to be converged, water solvent is volatilized under the action of high temperature, water-soluble polymer and nano-scale functional particles are left, and the water-soluble polymer and the nano-scale functional particles form orange petal-shaped filament bundles with PET and PA6, and the filament bundles are cooled, drawn by high-speed airflow and then are lapped on a lapping machine;
d. performing high-pressure spunlace to perform fiber opening to form non-woven fabric with nano slow release function;
e. the nonwoven fabric is washed with hot water to remove the water-soluble polymer and dried.
2. The method for manufacturing the nano slow-release non-woven fabric according to claim 1, wherein the water-soluble polymer in the step c is PVA, and one or more of nano-scale particles such as coffee carbon, graphene, Chinese herbal medicines, silver antibacterial master batches, water-absorbing particles and the like are added into an aqueous solution of the PVA.
3. The method for manufacturing a nano sustained-release non-woven fabric according to claim 1, wherein the orange-lobe spinneret used in the step c may be solid or hollow, and the number of lobes is 16, 32 or 64.
4. The method for producing a nano sustained-release nonwoven fabric according to claim 1, wherein the opening rate is controlled to 80% or more in the step d.
5. The method for manufacturing nano sustained-release non-woven fabric according to claim 1, wherein hot water at a temperature of 50-100 ℃ is used in the step e.
6. A functional nonwoven prepared according to the method of claims 1-5, characterized in that the functional nonwoven is a filament ultra-fine nonwoven.
7. The functional nonwoven according to claim 6, characterized in that the grammage is between 30 and 200 gsm.
8. The functional nonwoven fabric according to claim 6, characterized in that the individual fiber fineness is between 0.005D and 0.3D.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111493768.3A CN114351361A (en) | 2021-12-08 | 2021-12-08 | Method for manufacturing nano slow-release non-woven fabric |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111493768.3A CN114351361A (en) | 2021-12-08 | 2021-12-08 | Method for manufacturing nano slow-release non-woven fabric |
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| Publication Number | Publication Date |
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| CN114351361A true CN114351361A (en) | 2022-04-15 |
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| CN202111493768.3A Pending CN114351361A (en) | 2021-12-08 | 2021-12-08 | Method for manufacturing nano slow-release non-woven fabric |
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|---|---|---|---|---|
| CN1171463A (en) * | 1996-06-17 | 1998-01-28 | 卡尔·弗罗伊登伯格公司 | Non-woven fabrics made of super-fine continuous fibre |
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| CN105442088A (en) * | 2016-01-20 | 2016-03-30 | 段宏伟 | Superfine functional fiber, manufacturing method, super-soft functional towel manufactured by means of superfine functional fiber and method |
| CN105671791A (en) * | 2016-01-13 | 2016-06-15 | 浙江理工大学 | Manufacturing method of two-component superfine non-woven filtering material |
| CN106048890A (en) * | 2016-07-07 | 2016-10-26 | 诺斯贝尔化妆品股份有限公司 | Manufacturing method of ultrafine fiber mask fabric |
| CN108166155A (en) * | 2017-12-27 | 2018-06-15 | 合肥洁诺无纺布制品有限公司 | A kind of preparation method of non-woven fabrics shower cap |
| US20190271105A1 (en) * | 2018-03-01 | 2019-09-05 | Panjin Yu Wang Non-woven Co., Ltd. | Method for Manufacturing Polyester Filament Spun-bonded Non-woven Fabric |
| CN111424376A (en) * | 2020-03-30 | 2020-07-17 | 吉安市三江超纤无纺有限公司 | Microfiber antibacterial non-woven fabric for mask and manufacturing method and application thereof |
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2021
- 2021-12-08 CN CN202111493768.3A patent/CN114351361A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1171463A (en) * | 1996-06-17 | 1998-01-28 | 卡尔·弗罗伊登伯格公司 | Non-woven fabrics made of super-fine continuous fibre |
| CN1667172A (en) * | 2004-03-12 | 2005-09-14 | 上海嘉迪安医疗器械有限公司 | Tearable non-woven fabric and its making method |
| CN101451277A (en) * | 2008-10-23 | 2009-06-10 | 宁波三邦超细纤维有限公司 | Manufacturing technology of colored and nano silver ion antibiotic polyester-nylon composite superfine fibre |
| CN201648573U (en) * | 2010-01-29 | 2010-11-24 | 周焕民 | Functional fiber spinning device |
| CN104562243A (en) * | 2015-01-16 | 2015-04-29 | 东华大学 | Preparation method of multi-component complex fibers |
| CN105671791A (en) * | 2016-01-13 | 2016-06-15 | 浙江理工大学 | Manufacturing method of two-component superfine non-woven filtering material |
| CN105442088A (en) * | 2016-01-20 | 2016-03-30 | 段宏伟 | Superfine functional fiber, manufacturing method, super-soft functional towel manufactured by means of superfine functional fiber and method |
| CN106048890A (en) * | 2016-07-07 | 2016-10-26 | 诺斯贝尔化妆品股份有限公司 | Manufacturing method of ultrafine fiber mask fabric |
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Application publication date: 20220415 |