CN114990732B - Antistatic special-shaped polyester fiber with high and low temperature melting temperature and filtering material - Google Patents
Antistatic special-shaped polyester fiber with high and low temperature melting temperature and filtering material Download PDFInfo
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- CN114990732B CN114990732B CN202210856972.5A CN202210856972A CN114990732B CN 114990732 B CN114990732 B CN 114990732B CN 202210856972 A CN202210856972 A CN 202210856972A CN 114990732 B CN114990732 B CN 114990732B
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- Prior art keywords
- polyester fiber
- temperature
- melting
- filter material
- fibers
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- 239000000835 fiber Substances 0.000 title claims abstract description 137
- 229920000728 polyester Polymers 0.000 title claims abstract description 127
- 238000002844 melting Methods 0.000 title claims abstract description 52
- 230000008018 melting Effects 0.000 title claims abstract description 51
- 239000000463 material Substances 0.000 title claims abstract description 42
- 238000001914 filtration Methods 0.000 title abstract description 4
- 238000000034 method Methods 0.000 claims abstract description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- 150000002736 metal compounds Chemical class 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 3
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 3
- 229910052787 antimony Inorganic materials 0.000 claims description 3
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 claims description 3
- 239000006229 carbon black Substances 0.000 claims description 3
- 239000002041 carbon nanotube Substances 0.000 claims description 3
- 229910021393 carbon nanotube Inorganic materials 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 229910021389 graphene Inorganic materials 0.000 claims description 3
- 229910052709 silver Inorganic materials 0.000 claims description 3
- 239000004332 silver Substances 0.000 claims description 3
- 239000011135 tin Substances 0.000 claims description 3
- 229910052718 tin Inorganic materials 0.000 claims description 3
- 229910052719 titanium Inorganic materials 0.000 claims description 3
- 239000010936 titanium Substances 0.000 claims description 3
- 229910052725 zinc Inorganic materials 0.000 claims description 3
- 239000011701 zinc Substances 0.000 claims description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims 2
- 229910052759 nickel Inorganic materials 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 abstract description 5
- 238000001125 extrusion Methods 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 6
- 239000003365 glass fiber Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 239000012792 core layer Substances 0.000 description 2
- 239000011258 core-shell material Substances 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- -1 nickel series compounds Chemical class 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000002216 antistatic agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F8/00—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof
- D01F8/04—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers
- D01F8/14—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyester as constituent
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D39/00—Filtering material for liquid or gaseous fluids
- B01D39/14—Other self-supporting filtering material ; Other filtering material
- B01D39/16—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
- B01D39/1607—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous
- B01D39/1623—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous of synthetic origin
- B01D39/163—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous of synthetic origin sintered or bonded
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/253—Formation of filaments, threads, or the like with a non-circular cross section; Spinnerette packs therefor
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F1/00—General methods for the manufacture of artificial filaments or the like
- D01F1/02—Addition of substances to the spinning solution or to the melt
- D01F1/09—Addition of substances to the spinning solution or to the melt for making electroconductive or anti-static filaments
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Textile Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Filtering Materials (AREA)
Abstract
The invention discloses an antistatic special-shaped polyester fiber with high and low temperature melting temperature and a filtering material, wherein the antistatic special-shaped polyester fiber comprises a low melting point polyester fiber A and a high melting point polyester fiber B with a conductive system, the melting temperature of the polyester fiber A is lower than that of the polyester fiber B, the polyester fiber A and the polyester fiber B are respectively provided with a plurality of parts, and the polyester fiber A and the polyester fiber B are distributed according to a certain rule. The invention adopts the polyester fiber A with low melting point and the polyester fiber B with high melting point and conductive system to prepare the antistatic special-shaped polyester fiber, which can adapt to the gradual heating process, in the low temperature processing process, the polyester fiber A is melted first to be bonded with other fibers in the filter material, and along with the gradual heating of the temperature, the polyester fiber B with high melting point and conductive system can bond more fibers around the polyester fiber B with high melting point and conductive system at high temperature, thus the conductive path is established in the filter material, the conductivity is greatly improved, the surface resistivity is greatly reduced, and the antistatic aim is realized.
Description
Technical Field
The invention belongs to the technical field of antistatic materials, and particularly relates to an antistatic special-shaped polyester fiber with high and low temperature melting temperature and a filter material.
Background
The principle of antistatic is to construct a conducting path in the material, and conduct out the static charge formed on the surface of the fiber in time through the conducting path to form a conducting layer, so that the surface resistivity of the conducting layer is reduced. Most of the existing antistatic polyester materials are of core-shell structures, the shell is made of low-melting polyester, the core layer is made of conductive polyester, and in the using process of the structure, the conductive effect of the core layer can be exerted only after the shell is completely melted, but if the shell cannot be completely melted in the actual using process, the conductive effect is greatly reduced. The polyester fiber is used as a component of the filter material, and the current core-shell structure cannot be well adapted to the gradual heating process of the filter material.
Disclosure of Invention
In order to solve the technical problems in the prior art, the invention aims to provide the antistatic special-shaped polyester fiber with high and low temperature melting temperature and the filter material.
In order to achieve the above purpose and achieve the above technical effects, the invention adopts the following technical scheme:
the antistatic profiled polyester fiber with high and low temperature melting temperature comprises a low melting point polyester fiber A and a high melting point polyester fiber B with a conductive system, wherein the melting temperature of the polyester fiber A is lower than that of the polyester fiber B, the polyester fiber A and the polyester fiber B are respectively provided with a plurality of parts, and the polyester fiber A and the polyester fiber B are arranged according to a certain rule.
Further, the cross section of the antistatic special-shaped polyester fiber with high and low temperature melting temperature is in a circular structure or a square structure.
Furthermore, the cross section of the antistatic special-shaped polyester fiber with high and low temperature melting temperature is in a circular structure, the quantity and the structure of the polyester fiber A and the polyester fiber B are the same, the polyester fiber A and the polyester fiber B have a common circle center and are in a fan-shaped structure, and the polyester fiber A and the polyester fiber B are alternately arranged and equally divide the circular structure.
Further, the polyester fiber A and the polyester fiber B are divided into four equal parts, six equal parts or eight equal parts in a circular structure.
Further, the melting temperature of the polyester fiber A is 250-280 ℃, and the melting temperature of the polyester fiber B is 280-290 ℃.
Further, the conductive system is a metal compound, carbon black, carbon nanotube or graphene, and the metal compound is one of tin, zinc, titanium, antimony, silver, copper and nickel series compounds.
The invention also discloses a filter material which comprises the antistatic special-shaped polyester fiber with high and low temperature melting temperature.
Further, the filter material is manufactured by melting the polyester fiber a at a low temperature to bond with other fibers in the filter material and then melting the polyester fiber B at a high temperature to bond with other fibers in the filter material.
Compared with the prior art, the invention has the beneficial effects that:
the invention discloses an antistatic special-shaped polyester fiber with high and low temperature melting temperature and a filtering material, wherein the antistatic special-shaped polyester fiber comprises a low melting point polyester fiber A and a high melting point polyester fiber B with a conductive system, the melting temperature of the polyester fiber A is lower than that of the polyester fiber B, the polyester fiber A and the polyester fiber B are respectively provided with a plurality of parts, and the polyester fiber A and the polyester fiber B are distributed according to a certain rule. The invention provides an antistatic special-shaped polyester fiber with high and low temperature melting temperature and a filter material, wherein the antistatic special-shaped polyester fiber with high and low temperature melting temperature is prepared from the polyester fiber A with low melting point and the polyester fiber B with high melting point and a conductive system, the polyester fiber can adapt to the gradual heating process in the preparation process of the filter material, in the low temperature processing process, the polyester fiber A is melted first to be bonded with other fibers in the filter material, and along with the gradual heating of the temperature, the polyester fiber B with high melting point and the conductive system can be bonded with more fibers at the periphery of the polyester fiber B with high temperature, so that a conductive path is established in the filter material, the conductivity of the polyester fiber is greatly improved, the surface resistivity of the polyester fiber is greatly reduced, and the antistatic purpose is realized.
Drawings
Fig. 1 is a structural diagram of embodiment 1;
FIG. 2 is a schematic diagram of example 1;
fig. 3 is a structural diagram of embodiment 2.
Detailed Description
The present invention is described in detail below so that advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making clear and unambiguous the scope of the present invention.
The following presents a simplified summary of one or more aspects in order to provide a basic understanding of such aspects. This summary is not an extensive overview of all contemplated aspects, and is intended to neither identify key or critical elements of all aspects nor delineate the scope of any or all aspects. Its sole purpose is to present some concepts of one or more aspects in a simplified form as a prelude to the more detailed description that is presented later.
As shown in fig. 1-3, the antistatic profiled polyester fiber with high and low temperature melting temperature has conductivity, and comprises a low melting point polyester fiber A and a high melting point polyester fiber B with a conductive system, wherein the melting temperature of the polyester fiber A is lower than that of the polyester fiber B, the polyester fiber A and the polyester fiber B are respectively provided with a plurality of parts, and the polyester fiber A and the polyester fiber B are arranged according to a certain rule.
Specifically, when the cross section of the antistatic special-shaped polyester fiber is in a circular structure or a square structure, the quantity and the structure of the polyester fiber A and the polyester fiber B are the same, the polyester fiber A and the polyester fiber B have the same center and are in a fan-shaped structure, the polyester fiber A and the polyester fiber B are alternately arranged, and the circular structure is even and equally divided, such as quartering, hexagonally dividing, octagonally dividing and the like.
The melting temperature of the polyester fiber A is 250-280 ℃, and the melting temperature of the polyester fiber B is 280-290 ℃.
The conductive system is a metal compound, carbon black, carbon nano tube or graphene, and the metal compound is one of tin, zinc, titanium, antimony, silver, copper and nickel series compounds.
The preparation method of the antistatic special-shaped polyester fiber comprises the following steps:
the method comprises the steps of feeding a low-melting-point polyester fiber A and a high-melting-point polyester fiber B with a volume ratio of 1:1 into an A area and a B area of a screw extruder respectively, wherein the A area and the B area are respectively provided with a plurality of areas, the A area and the B area are identical in number and are identical in structure, the A area and the B area have common circle centers and are in fan-shaped structures, the A area and the B area are alternately distributed, the feeding amount of the A area and the B area is identical, the temperature of the A area is regulated to be 250-280 ℃, the temperature of the B area is regulated to be 280-290 ℃, and the low-melting-point polyester fiber A and the polyester fiber B with the high-melting-point polyester fiber B with the conductive system are co-extruded to obtain the required antistatic special-shaped polyester fiber.
A filter material comprising the antistatic profiled polyester fiber having a high and low melting temperature and glass fiber as described above, the filter material being made by melting polyester fiber a at a low temperature to bond with other fibers in the filter material and then melting polyester fiber B at a high temperature to bond with other fibers in the filter material, the filter material having electrical conductivity.
Example 1
As shown in figures 1-2, a low-melting-point polyester fiber A and a high-melting-point polyester fiber B with a conductive system in a volume ratio of 1:1 are respectively fed into an A area and a B area of a screw extruder, the melting temperature of the polyester fiber A is lower than that of the polyester fiber B, the screw extruder is provided with four extrusion heads, wherein two extrusion heads positioned on the diagonal line are the A area, the remaining two extrusion heads are the B area, the A area in figure 1 is the low-temperature control area of the extrusion heads, the B area is the high-temperature control area of the extrusion heads, the straight line represents glass fiber, the A area and the B area are adjacent, a B area is arranged between every two A areas, the temperature of the A area is between 250 and 280 ℃, the temperature of the B area is between 280 and 290 ℃, and the antistatic special-shaped polyester fiber is extruded from the screw extruder at one time by controlling the extrusion temperature, and the specific resistance is 107 Ω cm.
A filter material comprising antistatic profiled polyester fibers and glass fibers (model KE0791, supplied by special materials, su zhou) having a high and low temperature melting temperature as described above.
Example 2
As shown in FIG. 3, a low-melting-point polyester fiber A and a high-melting-point polyester fiber B with a conductive system in a volume ratio of 1:1 are respectively fed into an A area and a B area of a screw extruder, the melting temperature of the polyester fiber A is lower than that of the polyester fiber B, three areas A and B areas are respectively identical in structure, the areas A and B areas are adjacent, a B area is arranged between every two areas A, the temperature of the area A is 250-280 ℃, the temperature of the area B is 280-290 ℃, and the antistatic special-shaped polyester fiber is extruded by the screw extruder at one time by controlling the extrusion temperature, and has specific resistance of 100 ohm cm.
A filter material comprising antistatic profiled polyester fibers and glass fibers (model KE0791, supplied by special materials, su zhou) having a high and low temperature melting temperature as described above.
Example 1 was followed.
Comparative example 1
A filter material of 80 g/square meter was prepared from 10mm long, 2.0tex bicomponent polyester fiber (supplied by ADVANSA, germany) and glass fiber (model KE0791, supplied by New York (St.) Special materials Co., ltd.) and was electrically non-conductive.
The filter materials obtained in examples 1-2 and comparative example 1 were subjected to mechanical and electrical properties under the same test conditions, respectively, and the tensile strength of the filter material obtained in comparative example 1 was found to be 1.5kN/m, and the surface resistivity was found to be 1.3×10 10 Omega cm, the tensile strength of the self-conductive oil filter medium of example 1 was 1.7kN/m, which was 13.3% higher than that of comparative example 1, the specific resistance was 150 omega cm, the tensile strength of the self-conductive oil filter medium of example 2 was 1.7kN/m, which was 13.3% higher than that of comparative example 1, and the specific resistance was 140 omega cm. The filter materials of examples 1-2 changed from an insulator to a conductor, had conductivity, and caused a decrease in the order of magnitude of the surface resistivity, and the conductivity of the filter materials of examples 1-2 was greatly improved as compared with that of comparative example 1.
Parts or structures of the present invention, which are not specifically described, may be existing technologies or existing products, and are not described herein.
The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent structures or equivalent processes or direct or indirect application in other related arts are included in the scope of the present invention.
Claims (3)
1. The filter material is characterized by comprising antistatic special-shaped polyester fibers with high and low temperature melting temperatures, wherein the filter material is prepared by firstly melting a low-melting-point polyester fiber A under a low temperature condition to be bonded with other fibers in the filter material and then melting a high-melting-point polyester fiber B with a conductive system under a high temperature condition to be bonded with other fibers in the filter material, the volume ratio of the polyester fiber A to the polyester fiber B is 1:1, the melting temperature of the polyester fiber A is 250-280 ℃, and the melting temperature of the polyester fiber B is 280-290 ℃;
the cross section of the antistatic special-shaped polyester fiber with high and low temperature melting temperature is in a circular structure, the quantity and the structure of the polyester fiber A and the polyester fiber B are the same, the polyester fiber A and the polyester fiber B have a common circle center and are in a fan-shaped structure, and the polyester fiber A and the polyester fiber B are alternately arranged and equally divide the circular structure;
in the low-temperature processing process, the polyester fiber A is melted first to be bonded with other fibers in the filter material, and along with the gradual rise of the temperature, the polyester fiber B with a high-melting-point conductive system can be bonded with more fibers at the periphery of the polyester fiber B at high temperature, so that a conductive path is established in the filter material, the conductivity of the conductive path is greatly improved, the surface resistivity is greatly reduced, and the antistatic aim is realized.
2. A filter material according to claim 1, wherein the polyester fibers a and B are quarter-, six-or eight-quarter-round in configuration.
3. The filter material of claim 1, wherein the conductive system is a metal compound, carbon black, carbon nanotubes, or graphene, and the metal compound is one of the group consisting of tin, zinc, titanium, antimony, silver, copper, and nickel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210856972.5A CN114990732B (en) | 2022-07-20 | 2022-07-20 | Antistatic special-shaped polyester fiber with high and low temperature melting temperature and filtering material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210856972.5A CN114990732B (en) | 2022-07-20 | 2022-07-20 | Antistatic special-shaped polyester fiber with high and low temperature melting temperature and filtering material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114990732A CN114990732A (en) | 2022-09-02 |
| CN114990732B true CN114990732B (en) | 2024-04-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210856972.5A Active CN114990732B (en) | 2022-07-20 | 2022-07-20 | Antistatic special-shaped polyester fiber with high and low temperature melting temperature and filtering material |
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| Country | Link |
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| CN (1) | CN114990732B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5429745A (en) * | 1993-04-30 | 1995-07-04 | Chisso Corporation | Cylindrical filter formed of stacked fibers having a high and low melting point component |
| WO2005100651A1 (en) * | 2004-03-23 | 2005-10-27 | Solutia, Inc. | Bi-component electrically conductive drawn polyester fiber and method for making same |
| CN102144056A (en) * | 2008-07-03 | 2011-08-03 | 阿克马法国公司 | Method of manufacturing composite conducting fibres, fibres obtained by the method, and use of such fibres |
| WO2012006300A1 (en) * | 2010-07-07 | 2012-01-12 | 3M Innovative Properties Company | Patterned air-laid nonwoven fibrous webs and methods of making and using same |
| CN107354534A (en) * | 2017-08-23 | 2017-11-17 | 厦门翔鹭化纤股份有限公司 | A kind of preparation method of conductive polyester fiber |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050039836A1 (en) * | 1999-09-03 | 2005-02-24 | Dugan Jeffrey S. | Multi-component fibers, fiber-containing materials made from multi-component fibers and methods of making the fiber-containing materials |
| US20180223454A1 (en) * | 2017-02-07 | 2018-08-09 | Earth Renewable Technologies | Bicomponent fiber additive delivery composition |
-
2022
- 2022-07-20 CN CN202210856972.5A patent/CN114990732B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5429745A (en) * | 1993-04-30 | 1995-07-04 | Chisso Corporation | Cylindrical filter formed of stacked fibers having a high and low melting point component |
| WO2005100651A1 (en) * | 2004-03-23 | 2005-10-27 | Solutia, Inc. | Bi-component electrically conductive drawn polyester fiber and method for making same |
| CN102144056A (en) * | 2008-07-03 | 2011-08-03 | 阿克马法国公司 | Method of manufacturing composite conducting fibres, fibres obtained by the method, and use of such fibres |
| WO2012006300A1 (en) * | 2010-07-07 | 2012-01-12 | 3M Innovative Properties Company | Patterned air-laid nonwoven fibrous webs and methods of making and using same |
| CN107354534A (en) * | 2017-08-23 | 2017-11-17 | 厦门翔鹭化纤股份有限公司 | A kind of preparation method of conductive polyester fiber |
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| Publication number | Publication date |
|---|---|
| CN114990732A (en) | 2022-09-02 |
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