CN116024673A - Novel fine denier porous fiber nylon production process - Google Patents
Novel fine denier porous fiber nylon production process Download PDFInfo
- Publication number
- CN116024673A CN116024673A CN202211501794.0A CN202211501794A CN116024673A CN 116024673 A CN116024673 A CN 116024673A CN 202211501794 A CN202211501794 A CN 202211501794A CN 116024673 A CN116024673 A CN 116024673A
- Authority
- CN
- China
- Prior art keywords
- nylon
- melt
- filaments
- paraffin
- fine denier
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- 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
Abstract
The invention relates to the technical field of nylon fibers, and discloses a novel fine denier porous fiber nylon production process, which comprises the following specific production steps: taking nylon slices, processing the nylon slices into a molten state, and manufacturing a fine pore structure in the nylon raw material in the molten state; delivering the nylon raw material in a molten state into a spinning assembly, distributing the melt to each spinneret orifice on a spinneret plate by a distribution plate, and spitting the melt from the spinneret orifice to form a melt trickle; according to the novel fine denier porous fiber nylon production process, micropores are formed in a molten nylon raw material before spinning the molten nylon, after spinning and forming, paraffin after atomization is utilized to impact on the surface of a filament to form a concave hole structure before cooling and forming, after paraffin in the filament is removed, the concave hole structure is combined with the micropore structure in the filament, so that the surface and the inside of the nylon fiber form the micropore structure, and the ventilation and moisture absorption performance of the nylon fiber is improved.
Description
Technical Field
The invention relates to the technical field of nylon fibers, in particular to a novel fine denier porous fiber nylon production process.
Background
The nylon fiber is a polyamide fiber, the fine denier fiber is a chemical fiber with about 1.1dtex of single filament, and the traditional spinning process of the fine denier fiber nylon comprises the process flows of feeding, melting extrusion by a screw extruder, metering, filtering, spinning, cooling and the like.
The fine denier porous nylon fiber prepared by the traditional spinning process has poor air permeability and moisture absorption performance, and has a microporous structure formed on the surface and inside when the nylon fiber is processed, so that the air permeability and moisture absorption performance of the nylon fiber are improved, but when the nylon fiber is processed by the traditional spinning process, the microporous structure is difficult to process and prepare at the surface and inside of the nylon fiber, and the fine denier porous nylon fiber is difficult to process and prepare.
Disclosure of Invention
In order to solve the problems that the fine denier nylon fiber prepared by the traditional spinning process is poor in ventilation and moisture absorption performance, and the fine denier porous nylon fiber is difficult to process and prepare by adopting the traditional spinning process to process the microporous structure on the surface and the inside of the nylon fiber, the invention is realized by the following technical scheme: the novel fine denier porous fiber nylon production process comprises the following specific production steps:
s1, taking nylon slices, processing the nylon slices into a molten state, and manufacturing a fine pore structure in a nylon raw material in the molten state;
s2, conveying the nylon raw material in a molten state into a spinning assembly, distributing the melt to each spinneret orifice on a spinneret plate by a distribution plate, and spitting the melt from the spinneret orifice to form a melt trickle;
s3, arranging atomizing equipment at the spraying end of the spinneret plate, atomizing paraffin by utilizing the atomizing equipment, spraying the atomized paraffin onto the surface of the melt trickle, forming a concave hole structure on the surface of the melt trickle by impact, heating and melting the paraffin, and atomizing the paraffin in a molten state by utilizing the atomizing equipment;
s4, cooling the melt trickle into filaments by using a side blowing device, and solidifying paraffin in the filaments;
s5, conveying the filaments into a heating box, heating the filaments by using the heating box, and carrying out hot melting on paraffin in the filaments to remove the paraffin in the filaments;
s6, before the surface of the filament is cooled, enabling the filament to pass through an oiling device for oiling operation;
s7, winding the formed nylon fiber on the surface of a bobbin.
Further, the specific processing steps of the chinlon slices in the step S1 include:
s101, taking nylon slices, and putting the nylon slices into a slice dryer for drying treatment;
s102, putting the nylon slices into a screw extruder, melting the nylon slices, adding a pore-forming agent, and manufacturing a micropore structure in a molten nylon raw material;
s103, uniformly mixing the melt at the outlet of the screw extruder by using a static mixer;
s104, distributing the melt output by the screw extruder to metering pumps at all spinning positions for metering, and pressurizing the melt by using the metering pumps;
s105, filtering impurities in the melt by using a filtering material.
Further, the specific processing steps of the chinlon slices in the step S1 include:
s101, taking nylon slices, and putting the nylon slices into a slice dryer for drying treatment;
s102, putting the nylon slices into a screw extruder, and carrying out melting treatment on the nylon slices;
s103, distributing the melt output by the screw extruder to metering pumps at all spinning positions for metering, and pressurizing the melt by using the metering pumps;
s104, filtering impurities in the melt by using a filtering material;
s105, filling gas into the filtered solution;
s106, uniformly mixing the gases in the melt by using a static mixer, and generating a micropore structure in the melt.
Further, the gas is compact nitrogen, and the diameter of the formed bubbles of the nitrogen is 3-8 mu m.
Further, the step of removing the paraffin wax in the filament in S5 after the step of hot melting includes:
s501, enabling the filaments to pass through an alcohol solution, and dissolving paraffin after being melted by the alcohol solution;
s502, enabling the filaments to pass through a paper sucking roller arranged on the surface, and removing residual paraffin and attached alcohol in the filaments by utilizing paper sucking.
Further, the step S7 further includes, between the nylon fiber being wound:
s701, after oiling the filaments, entering a pre-networking device, and carrying out low-pressure intertwining treatment on the filaments by the pre-networking device;
s702, stretching and heat setting the intertwined filaments by utilizing different speeds of two filament guiding discs;
s703, conveying the wound filaments after the stretching and heat setting treatment to a main network device, and further carrying out winding treatment on the wound filaments by using the main network device.
Further, the particle size of the atomized paraffin wax is 1-5 μm.
Further, the cooling temperature of the side air blowing device is 20-25 ℃, the humidity is 65-78%, and the wind speed is 0.4-0.6m/s.
Further, the heating temperature of the heating box is 65-75 ℃.
Further, the oiling device is an oiling wheel, the oiling amount of the oiling wheel is 0.5-0.6%, the rotating speed of the oiling wheel is 12-18r/min, and the concentration of the oiling agent is 12-15%.
Compared with the prior art, the invention has the following beneficial effects:
according to the novel fine denier porous fiber nylon production process, micropores are formed in a molten nylon raw material before spinning the molten nylon, after spinning and forming, paraffin after atomization is utilized to impact on the surface of a filament to form a concave hole structure before cooling and forming, after paraffin materials in the filament are removed, the concave hole structure and the micropore structure in the filament are combined, so that the surface and the inside of the nylon fiber can form the micropore structure, and the ventilation and moisture absorption performance of the nylon fiber is improved.
Drawings
FIG. 1 is a flow chart of a fine denier porous fiber nylon production process of the invention;
FIG. 2 is a second flow chart of the fine denier porous fiber nylon production process of the invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The embodiment of the novel fine denier porous fiber chinlon production process is as follows:
embodiment one:
referring to fig. 1-2, a novel fine denier porous fiber chinlon production process comprises the following specific production steps:
s1, taking nylon slices, processing the nylon slices into a molten state, and manufacturing a fine pore structure in a molten nylon raw material:
s101, taking nylon slices, and putting the nylon slices into a slice dryer for drying treatment;
s102, putting the nylon slices into a screw extruder, melting the nylon slices, adding a pore-forming agent, and manufacturing a micropore structure in a molten nylon raw material;
s103, uniformly mixing the melt at the outlet of the screw extruder by using a static mixer;
s104, distributing the melt output by the screw extruder to metering pumps at all spinning positions for metering, and pressurizing the melt by using the metering pumps;
s105, filtering impurities in the melt by using a filtering material.
S2, conveying the nylon raw material in a molten state into a spinning assembly, distributing the melt to each spinneret orifice on a spinneret plate by a distribution plate, and spitting the melt from the spinneret orifice to form a melt trickle;
s3, arranging atomizing equipment at the spraying end of the spinneret plate, atomizing paraffin by utilizing the atomizing equipment, spraying the atomized paraffin on the surface of the melt trickle, and forming a concave hole structure on the surface of the melt trickle by impact, wherein the paraffin is heated and melted firstly, then the paraffin in a molten state is atomized by using the atomizing equipment, and the particle size of the atomized paraffin is 1-5 mu m;
s4, cooling the melt trickle into filaments by using a side blowing device, solidifying paraffin in the filaments, wherein the cooling temperature of the side blowing device is 20 ℃, the humidity is 65%, and the wind speed is 0.4m/S;
s5, conveying the filaments into a heating box, heating the filaments by using the heating box to enable paraffin in the filaments to be melted, wherein the heating temperature of the heating box is 65 ℃, and removing the paraffin in the filaments:
s501, enabling the filaments to pass through an alcohol solution, and dissolving paraffin after being melted by the alcohol solution;
s502, enabling the filaments to pass through a paper sucking roller arranged on the surface, and removing residual paraffin and attached alcohol in the filaments by utilizing paper sucking.
S6, before the surface of the filament is cooled, enabling the filament to pass through an oiling device for oiling operation, wherein the oiling device is an oiling wheel, the oiling amount of the oiling wheel is 0.5%, the rotating speed of the oiling wheel is 12r/min, and the concentration of the oiling agent is 12%;
s7, winding the formed nylon fiber on the surface of a bobbin:
s701, after oiling the filaments, entering a pre-networking device, and carrying out low-pressure intertwining treatment on the filaments by the pre-networking device;
s702, stretching and heat setting the intertwined filaments by utilizing different speeds of two filament guiding discs;
s703, conveying the wound filaments after the stretching and heat setting treatment to a main network device, and further carrying out winding treatment on the wound filaments by using the main network device.
Embodiment two:
referring to fig. 1-2, a novel fine denier porous fiber chinlon production process comprises the following specific production steps:
s1, taking nylon slices, processing the nylon slices into a molten state, and manufacturing a fine pore structure in a molten nylon raw material:
s101, taking nylon slices, and putting the nylon slices into a slice dryer for drying treatment;
s102, putting the nylon slices into a screw extruder, and carrying out melting treatment on the nylon slices;
s103, distributing the melt output by the screw extruder to metering pumps at all spinning positions for metering, and pressurizing the melt by using the metering pumps;
s104, filtering impurities in the melt by using a filtering material;
s105, filling gas into the filtered solution, wherein the gas is compact nitrogen, and the diameter of formed bubbles of the nitrogen is 3-8 mu m;
s106, uniformly mixing the gases in the melt by using a static mixer, and generating a micropore structure in the melt.
S2, conveying the nylon raw material in a molten state into a spinning assembly, distributing the melt to each spinneret orifice on a spinneret plate by a distribution plate, and spitting the melt from the spinneret orifice to form a melt trickle;
s3, arranging atomizing equipment at the spraying end of the spinneret plate, atomizing paraffin by utilizing the atomizing equipment, spraying the atomized paraffin on the surface of the melt trickle, and forming a concave hole structure on the surface of the melt trickle by impact, wherein the paraffin is heated and melted firstly, then the paraffin in a molten state is atomized by using the atomizing equipment, and the particle size of the atomized paraffin is 1-5 mu m;
s4, cooling the melt trickle into filaments by using a side blowing device, solidifying paraffin in the filaments, wherein the cooling temperature of the side blowing device is 25 ℃, the humidity is 78%, and the wind speed is 0.6m/S;
s5, conveying the filaments into a heating box, heating the filaments by using the heating box to enable paraffin in the filaments to be melted, wherein the heating temperature of the heating box is 75 ℃, and removing paraffin in the filaments:
s501, enabling the filaments to pass through an alcohol solution, and dissolving paraffin after being melted by the alcohol solution;
s502, enabling the filaments to pass through a paper sucking roller arranged on the surface, and removing residual paraffin and attached alcohol in the filaments by utilizing paper sucking.
S6, before the surface of the filament is cooled, enabling the filament to pass through an oiling device for oiling operation, wherein the oiling device is an oiling wheel, the oiling amount of the oiling wheel is 0.6%, the rotating speed of the oiling wheel is 18r/min, and the concentration of the oiling agent is 15%;
s7, winding the formed nylon fiber on the surface of a bobbin:
s701, after oiling the filaments, entering a pre-networking device, and carrying out low-pressure intertwining treatment on the filaments by the pre-networking device;
s702, stretching and heat setting the intertwined filaments by utilizing different speeds of two filament guiding discs;
s703, conveying the wound filaments after the stretching and heat setting treatment to a main network device, and further carrying out winding treatment on the wound filaments by using the main network device.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A novel fine denier porous fiber chinlon production process is characterized in that: the method comprises the following specific production steps:
s1, taking nylon slices, processing the nylon slices into a molten state, and manufacturing a fine pore structure in a nylon raw material in the molten state;
s2, conveying the nylon raw material in a molten state into a spinning assembly, distributing the melt to each spinneret orifice on a spinneret plate by a distribution plate, and spitting the melt from the spinneret orifice to form a melt trickle;
s3, arranging atomizing equipment at the spraying end of the spinneret plate, atomizing paraffin by utilizing the atomizing equipment, spraying the atomized paraffin on the surface of the melt trickle, and forming a concave hole structure on the surface of the melt trickle by impact;
s4, cooling the melt trickle into filaments by using a side blowing device, and solidifying paraffin in the filaments;
s5, conveying the filaments into a heating box, heating the filaments by using the heating box, and carrying out hot melting on paraffin in the filaments to remove the paraffin in the filaments;
s6, before the surface of the filament is cooled, enabling the filament to pass through an oiling device for oiling operation;
s7, winding the formed nylon fiber on the surface of a bobbin.
2. The novel fine denier porous fiber nylon production process as claimed in claim 1, wherein the specific processing steps of the nylon chips in S1 comprise:
s101, taking nylon slices, and putting the nylon slices into a slice dryer for drying treatment;
s102, putting the nylon slices into a screw extruder, melting the nylon slices, adding a pore-forming agent, and manufacturing a micropore structure in a molten nylon raw material;
s103, uniformly mixing the melt at the outlet of the screw extruder by using a static mixer;
s104, distributing the melt output by the screw extruder to metering pumps at all spinning positions for metering, and pressurizing the melt by using the metering pumps;
s105, filtering impurities in the melt by using a filtering material.
3. The novel fine denier porous fiber nylon production process as claimed in claim 1, wherein the specific processing steps of the nylon chips in S1 comprise:
s101, taking nylon slices, and putting the nylon slices into a slice dryer for drying treatment;
s102, putting the nylon slices into a screw extruder, and carrying out melting treatment on the nylon slices;
s103, distributing the melt output by the screw extruder to metering pumps at all spinning positions for metering, and pressurizing the melt by using the metering pumps;
s104, filtering impurities in the melt by using a filtering material;
s105, filling gas into the filtered solution;
s106, uniformly mixing the gases in the melt by using a static mixer, and generating a micropore structure in the melt.
4. The novel fine denier porous fiber chinlon production process of claim 3, wherein the gas is compact nitrogen gas, and the diameter of the formed bubbles of the nitrogen gas is 3-8 μm.
5. The novel fine denier porous fiber chinlon manufacturing process of claim 2 or 4, wherein the removing step after the paraffin wax in the filaments in S5 is hot melted comprises:
s501, enabling the filaments to pass through an alcohol solution, and dissolving paraffin after being melted by the alcohol solution;
s502, enabling the filaments to pass through a paper sucking roller arranged on the surface, and removing residual paraffin and attached alcohol in the filaments by utilizing paper sucking.
6. The novel fine denier porous fiber nylon production process of claim 5 wherein the nylon fiber in S7 further comprises, before being wound:
s701, after oiling the filaments, entering a pre-networking device, and carrying out low-pressure intertwining treatment on the filaments by the pre-networking device;
s702, stretching and heat setting the intertwined filaments by utilizing different speeds of two filament guiding discs;
s703, conveying the wound filaments after the stretching and heat setting treatment to a main network device, and further carrying out winding treatment on the wound filaments by using the main network device.
7. The novel fine denier porous fiber chinlon manufacturing process of claim 6, wherein the particle size after the paraffin wax atomization is 1-5 μm.
8. The novel fine denier porous fiber chinlon manufacturing process of claim 6, wherein the cooling temperature of the side blowing device is 20-25 ℃, the humidity is 65-78%, and the wind speed is 0.4-0.6m/s.
9. The novel fine denier porous fiber chinlon manufacturing process of claim 8, wherein the heating temperature of the heating box is 65-75 ℃.
10. The novel fine denier porous fiber chinlon production process of claim 6, wherein the oiling device is an oiling wheel, the oiling amount of the oiling wheel is 0.5-0.6%, the rotating speed of the oiling wheel is 12-18r/min, and the concentration of the oiling agent is 12-15%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211501794.0A CN116024673A (en) | 2022-11-28 | 2022-11-28 | Novel fine denier porous fiber nylon production process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211501794.0A CN116024673A (en) | 2022-11-28 | 2022-11-28 | Novel fine denier porous fiber nylon production process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116024673A true CN116024673A (en) | 2023-04-28 |
Family
ID=86076692
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211501794.0A Pending CN116024673A (en) | 2022-11-28 | 2022-11-28 | Novel fine denier porous fiber nylon production process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116024673A (en) |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1481544A (en) * | 1965-05-29 | 1967-05-19 | Asahi Chemical Ind | Filamentous articles of polyamide having a cellular cross-section, and a process for their production |
| CH489625A (en) * | 1964-05-21 | 1970-04-30 | Monsanto Co | Endless synthetic filaments made from acrylonitrile polymers and a continuous process for their production as well as an apparatus for carrying out the process and use of the filaments for the production of non-textile fabrics |
| JP2000212827A (en) * | 1999-01-21 | 2000-08-02 | Nippon Ester Co Ltd | Melt spinning apparatus for fine denier multifilament |
| KR20040034975A (en) * | 2002-10-18 | 2004-04-29 | 주식회사 코오롱 | A process of preparing for microcellular foamed fiber |
| CN1705776A (en) * | 2002-10-18 | 2005-12-07 | 可隆株式会社 | A microcellular foamed fiber, and a process of preparing for the same |
| US20110151738A1 (en) * | 2009-12-17 | 2011-06-23 | 3M Innovative Properties Company | Dimensionally stable nonwoven fibrous webs, melt blown fine fibers, and methods of making and using the same |
| CN103154339A (en) * | 2010-08-06 | 2013-06-12 | 科学技术设备委员会 | Method of electrospinning fibres |
| CN104178827A (en) * | 2014-07-24 | 2014-12-03 | 福建凯邦锦纶科技有限公司 | Production technology of novel fine-denier porous fiber nylon |
| CN104233497A (en) * | 2014-09-17 | 2014-12-24 | 江苏锵尼玛新材料有限公司 | Preparation method and application of UHMWPE (ultra-high molecular weight polyethylene) fiber with high cut resistance |
| CN106965249A (en) * | 2017-03-13 | 2017-07-21 | 大连理工大学 | The servo-actuated reverse cooling of fibre reinforced composites processing and dust pelletizing system |
| CN108977922A (en) * | 2018-08-10 | 2018-12-11 | 海安县华荣化纤有限公司 | A kind of production method of modified nylon long filament |
| CN110528095A (en) * | 2019-09-19 | 2019-12-03 | 嘉兴学院 | A kind of preparation method and device of porous surface structure fiber |
| CN111172626A (en) * | 2020-01-02 | 2020-05-19 | 南京二向箔新材料科技有限公司 | Method for synthesizing fibrous perovskite oxide with hollow structure and high specific surface area |
| US20210394231A1 (en) * | 2018-10-31 | 2021-12-23 | Industry-University Cooperation Foundation Hanyang University | Method for preparing porous polymer film having controlled pore depth, and porous polymer film prepared thereby |
-
2022
- 2022-11-28 CN CN202211501794.0A patent/CN116024673A/en active Pending
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH489625A (en) * | 1964-05-21 | 1970-04-30 | Monsanto Co | Endless synthetic filaments made from acrylonitrile polymers and a continuous process for their production as well as an apparatus for carrying out the process and use of the filaments for the production of non-textile fabrics |
| FR1481544A (en) * | 1965-05-29 | 1967-05-19 | Asahi Chemical Ind | Filamentous articles of polyamide having a cellular cross-section, and a process for their production |
| JP2000212827A (en) * | 1999-01-21 | 2000-08-02 | Nippon Ester Co Ltd | Melt spinning apparatus for fine denier multifilament |
| KR20040034975A (en) * | 2002-10-18 | 2004-04-29 | 주식회사 코오롱 | A process of preparing for microcellular foamed fiber |
| CN1705776A (en) * | 2002-10-18 | 2005-12-07 | 可隆株式会社 | A microcellular foamed fiber, and a process of preparing for the same |
| US20110151738A1 (en) * | 2009-12-17 | 2011-06-23 | 3M Innovative Properties Company | Dimensionally stable nonwoven fibrous webs, melt blown fine fibers, and methods of making and using the same |
| CN103154339A (en) * | 2010-08-06 | 2013-06-12 | 科学技术设备委员会 | Method of electrospinning fibres |
| CN104178827A (en) * | 2014-07-24 | 2014-12-03 | 福建凯邦锦纶科技有限公司 | Production technology of novel fine-denier porous fiber nylon |
| CN104233497A (en) * | 2014-09-17 | 2014-12-24 | 江苏锵尼玛新材料有限公司 | Preparation method and application of UHMWPE (ultra-high molecular weight polyethylene) fiber with high cut resistance |
| CN106965249A (en) * | 2017-03-13 | 2017-07-21 | 大连理工大学 | The servo-actuated reverse cooling of fibre reinforced composites processing and dust pelletizing system |
| CN108977922A (en) * | 2018-08-10 | 2018-12-11 | 海安县华荣化纤有限公司 | A kind of production method of modified nylon long filament |
| US20210394231A1 (en) * | 2018-10-31 | 2021-12-23 | Industry-University Cooperation Foundation Hanyang University | Method for preparing porous polymer film having controlled pore depth, and porous polymer film prepared thereby |
| CN110528095A (en) * | 2019-09-19 | 2019-12-03 | 嘉兴学院 | A kind of preparation method and device of porous surface structure fiber |
| CN111172626A (en) * | 2020-01-02 | 2020-05-19 | 南京二向箔新材料科技有限公司 | Method for synthesizing fibrous perovskite oxide with hollow structure and high specific surface area |
Non-Patent Citations (1)
| Title |
|---|
| 焦剑等: "《功能高分子材料》", vol. 3, 西北工业出版社, pages: 29 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5580901B2 (en) | Electrospinning device for nanofiber production with adjustable temperature and humidity in spinning region | |
| CN104911730B (en) | A kind of fine denier polyester industrial yarn and its bull processing unit (plant) | |
| CN107012522B (en) | Produce the production line and its production technology of the compound short fibre of Three-dimensional crimped hollow type terylene | |
| JPH06507936A (en) | Method for producing cellulose molded body and apparatus for carrying out the method | |
| CN102747438B (en) | A kind of production method of 20D/24F full-dull nylon 6 full-drawn yarn | |
| CN102251324B (en) | Production process of polyamide 6 special-shaped air-textured yarns with high strength and low boiling shrinkage | |
| CN1764747A (en) | Apparatus and method for forming fibers | |
| JP2002517630A (en) | Nonwoven fabric manufacturing method | |
| CN104328519A (en) | Production method of high-F soft plush cotton-imitated fiber | |
| CN101671856A (en) | Ultra-fine denier nylon stable fiber production method | |
| CN104480556A (en) | Production process of high-speed spinning type potential crinkled polyester filament yarns | |
| CN111278785B (en) | Method for producing glass roving | |
| CN103409835A (en) | Fine denier polyphenylene sulfide short fiber production method | |
| CN114045572A (en) | Regenerated colored low-melting-point composite polyester staple fiber and preparation method thereof | |
| CN101343796A (en) | Polypropylene profiled fiber and its silk spraying method | |
| CN206204493U (en) | A kind of chemical fiber spun yarn cooling system | |
| CN116024673A (en) | Novel fine denier porous fiber nylon production process | |
| CN104451919B (en) | A kind of production technology of the orderly terylene slub silk of isotactic | |
| CN110523142B (en) | Bark-imitated polypropylene/polycarbonate nanofiber melt-blown air filter material and preparation method thereof | |
| CN110528095B (en) | Preparation method and device of porous surface structure fiber | |
| JPH1136169A (en) | Production of melt-blown nonwoven fabric and cylindrical filter comprising melt-blown nonwoven fabric | |
| CN106757490A (en) | A kind of method of dry-spinning waste polyurethane filament highly efficient regeneration spandex thread | |
| US3025130A (en) | Wet spinning of low density cellulose acetate filaments | |
| CN102162145A (en) | Method for preparing reclaimed polyester bottle chip spun fine denier moisture absorption and sweat release FDY polyester filament fibers | |
| JP2022134128A (en) | Gradient fiber nonwoven fabric, spinning device and manufacturing method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |