CN116411383A - PE non-woven fabric and manufacturing process thereof - Google Patents
PE non-woven fabric and manufacturing process thereof Download PDFInfo
- Publication number
- CN116411383A CN116411383A CN202310328277.6A CN202310328277A CN116411383A CN 116411383 A CN116411383 A CN 116411383A CN 202310328277 A CN202310328277 A CN 202310328277A CN 116411383 A CN116411383 A CN 116411383A
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- nonwoven fabric
- net
- woven fabric
- roller
- cooling
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- 239000004745 nonwoven fabric Substances 0.000 title claims abstract description 43
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 10
- 238000005507 spraying Methods 0.000 claims abstract description 7
- 239000000835 fiber Substances 0.000 claims description 31
- 238000001816 cooling Methods 0.000 claims description 25
- 239000012943 hotmelt Substances 0.000 claims description 17
- 238000002844 melting Methods 0.000 claims description 16
- 238000005098 hot rolling Methods 0.000 claims description 15
- 230000008018 melting Effects 0.000 claims description 11
- 239000002994 raw material Substances 0.000 claims description 10
- 238000004804 winding Methods 0.000 claims description 10
- 238000009987 spinning Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 7
- 230000009471 action Effects 0.000 claims description 5
- 239000011230 binding agent Substances 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 5
- 238000007689 inspection Methods 0.000 claims description 5
- 239000011268 mixed slurry Substances 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- 238000004806 packaging method and process Methods 0.000 claims description 5
- 239000002002 slurry Substances 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 5
- 238000011282 treatment Methods 0.000 abstract description 10
- 239000002131 composite material Substances 0.000 abstract description 5
- 239000004744 fabric Substances 0.000 abstract description 4
- 238000010521 absorption reaction Methods 0.000 abstract description 2
- 230000004888 barrier function Effects 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000003292 glue Substances 0.000 abstract description 2
- 238000007731 hot pressing Methods 0.000 abstract description 2
- 238000010030 laminating Methods 0.000 abstract description 2
- 238000009931 pascalization Methods 0.000 abstract description 2
- 230000035699 permeability Effects 0.000 abstract description 2
- 238000009210 therapy by ultrasound Methods 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 2
- 239000004743 Polypropylene Substances 0.000 description 5
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002074 melt spinning Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229920005672 polyolefin resin Polymers 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
- D04H1/4282—Addition polymers
- D04H1/4291—Olefin series
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/54—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving
- D04H1/558—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving in combination with mechanical or physical treatments other than embossing
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
- D04H1/54—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving
- D04H1/559—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties by welding together the fibres, e.g. by partially melting or dissolving the fibres being within layered webs
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/70—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres
- D04H1/72—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged
-
- D—TEXTILES; PAPER
- D10—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B—INDEXING SCHEME ASSOCIATED WITH SUBLASSES OF SECTION D, RELATING TO TEXTILES
- D10B2321/00—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D10B2321/02—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polyolefins
- D10B2321/021—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polyolefins polyethylene
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Nonwoven Fabrics (AREA)
Abstract
The invention discloses a PE non-woven fabric and a manufacturing process thereof, comprising the following steps: the invention has the beneficial effects that: the PE non-woven fabric has excellent tensile property, extensibility, air permeability and softness, effectively isolates moisture, and discharges hot air and moisture; the product has excellent hand feeling, so that the product is softer and more comfortable; the PE non-woven fabric can be used for carrying out various composite treatments on non-woven fabrics and other fabrics, such as laminating treatment, hot pressing treatment, glue spraying treatment, ultrasonic treatment and the like, and two or three layers of fabrics can be composited together through the composite treatment, so that products with special functions, such as high strength, high water absorption, high barrier property, high hydrostatic pressure resistance and the like, are produced.
Description
Technical field:
the invention relates to the field of non-woven fabrics, in particular to a PE non-woven fabric and a manufacturing process thereof.
The background technology is as follows:
conventionally, nonwoven fabrics are generally made of polyolefin resins, and when such a nonwoven fabric is used, the resin having high crystallinity has poor flexibility and a problem in hand feeling, although the spinning property is good; in the case of using a polypropylene resin having low crystallinity and low melting point, there is a problem that the friction resistance between the fibers and other metals becomes large during spinning, and the spinnability is extremely poor, so that the stabilizing effect is poor and the composite effect is poor.
The invention comprises the following steps:
the invention aims to solve the existing problems and provides a PE non-woven fabric and a manufacturing process thereof.
The technical solution of the invention is as follows: the PE non-woven fabric and the manufacturing process thereof comprise the following steps:
s1: the low-melting PE raw material KS560T is added into a die head A, and the conventional PP raw material H39S-2 and a binder OMBM are added according to the mass of 1:1, and then mixing and stirring the mixture in a magnetic stirrer to form slurry;
s2: extruding and melting the mixed slurry into a screw rod through a feeding system to obtain a hot melt;
s3, filtering, metering and distributing the hot melt at a certain temperature and a certain pressure;
s4, spinning the distributed and metered hot melt, and cooling the spun yarn by side cold air to obtain a primary filament;
s5, carrying out airflow drafting on the primary filaments through a horn mouth of a slit type drafting device in an airflow filament splitting mode to obtain fibers with denier of 1.8-2.2, and arranging molecular chains of the drafted primary filaments to form fibers in order;
s6, the fibers are randomly paved on a net-forming curtain, and prepressing is carried out through a prepressing roller to form a fiber net;
s7, the fiber web passes through a net forming curtain, is driven by a net curtain roller and is transmitted to a hot rolling mill, and PE non-woven fabrics are obtained after the hot press bonding action of an upper roller and a lower roller of the hot rolling mill, pass through an upper winding roller and a lower winding roller and are then subjected to after-finishing;
and S8, quality inspection is carried out on the PE non-woven fabric after finishing, and packaging is carried out after the PE non-woven fabric is qualified.
Preferably, the screw melting temperature in the step S2 is 180 to 270 ℃.
Preferably, the certain temperature in S3 is 230-250 ℃ and the certain pressure is 5-10 MPa.
Preferably, the hot melt spinning in the S4 is performed through spraying filaments in a pore diameter of 0.3-0.8 mm, and cooling is performed through a cooling bellows, wherein the temperature of the cooling bellows is 10-20 ℃, and the cooling air speed is 0.2-1.5 m/S.
Preferably, in the step S5, an exhaust fan is arranged under the net curtain, and downward suction is performed to fix the fibers on the net curtain.
Preferably, the draft speed of the air flow in the step S5 is 2000 m/H-5000 m/H.
Preferably, the temperature of the hot rolling mill in the step S7 is 130-150 ℃, and the line pressure is 30-70 MPa.
The invention has the beneficial effects that: the PE non-woven fabric has excellent tensile property, extensibility, air permeability and softness, effectively isolates moisture, and discharges hot air and moisture; the product has excellent hand feeling, so that the product is softer and more comfortable; the PE non-woven fabric can be used for carrying out various composite treatments on non-woven fabrics and other fabrics, such as laminating treatment, hot pressing treatment, glue spraying treatment, ultrasonic treatment and the like, and two or three layers of fabrics can be composited together through the composite treatment, so that products with special functions, such as high strength, high water absorption, high barrier property, high hydrostatic pressure resistance and the like, are produced.
The specific embodiment is as follows:
the following description of the embodiments of the present invention will be made clearly and completely, and it is apparent that the described embodiments 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.
It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When a component is considered to be "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "or/and" as used herein includes any and all combinations of one or more of the associated listed items.
Example 1
The PE non-woven fabric and the manufacturing process thereof comprise the following steps:
s1: the low-melting PE raw material KS560T is added into a die head A, and the conventional PP raw material H39S-2 and a binder OMBM are added according to the mass of 1:1, and then mixing and stirring the mixture in a magnetic stirrer to form slurry;
s2: extruding and melting the mixed slurry into a screw rod through a feeding system, wherein the melting temperature of the screw rod is 180 ℃, and obtaining a hot melt;
s3, filtering, metering and distributing the hot melt at the temperature of 230 ℃ and the pressure of 5 MPa;
s4, spinning the distributed and metered hot melt, cooling the spun yarn by side cold air, spraying the spun yarn in a pore diameter of 0.3mm, cooling by a cooling bellows, wherein the temperature of the cooling bellows is 10 ℃, and the cooling air speed is 0.2m/S, so as to obtain a primary filament;
s5, carrying out airflow drafting on the primary filaments through a horn mouth of a slit type drafting device in an airflow splitting mode, obtaining fibers with fineness of 1.8 denier, and arranging molecular chains of the drafted primary filaments to form fibers in order;
s6, the fibers are laid on a net-forming curtain in disorder, an exhaust fan is arranged below the net-forming curtain, downward suction is carried out, the fibers are fixed on the net-forming curtain, and prepressing is carried out through a prepressing roller to form a fiber net;
s7, the fiber web passes through a net forming curtain, is driven by a net curtain roller and is transmitted to a hot rolling mill, the temperature of the hot rolling mill is 130 ℃, the line pressure is 30MPa, the PE non-woven fabric is obtained after the hot press bonding action of an upper roller and a lower roller of the hot rolling mill, and the PE non-woven fabric passes through an upper winding roller and a lower winding roller and is then subjected to after-finishing;
and S8, quality inspection is carried out on the PE non-woven fabric after finishing, and packaging is carried out after the PE non-woven fabric is qualified.
Example 2
The PE non-woven fabric and the manufacturing process thereof comprise the following steps:
s1: the low-melting PE raw material KS560T is added into a die head A, and the conventional PP raw material H39S-2 and a binder OMBM are added according to the mass of 1:1, and then mixing and stirring the mixture in a magnetic stirrer to form slurry;
s2: extruding and melting the mixed slurry into a screw rod through a feeding system, wherein the melting temperature of the screw rod is 220 ℃, and obtaining a hot melt;
s3, filtering, metering and distributing the hot melt at the temperature of 245 ℃ and the pressure of 7 MPa;
s4, spinning the distributed and metered hot melt, cooling the spun yarn by side cold air, spraying the spun yarn in a 0.6mm aperture, cooling by a cooling bellows, and obtaining a primary filament, wherein the temperature of the cooling bellows is 16 ℃ and the cooling air speed is 0.9 m/S;
s5, carrying out airflow drafting on the primary filaments through a horn mouth of a slit type drafting device in an airflow splitting mode, obtaining fibers with denier of 1.9, and arranging molecular chains of the drafted primary filaments to form fibers in order, wherein airflow drafting speed is 3500 m/H;
s6, the fibers are laid on a net-forming curtain in disorder, an exhaust fan is arranged below the net-forming curtain, downward suction is carried out, the fibers are fixed on the net-forming curtain, and prepressing is carried out through a prepressing roller to form a fiber net;
s7, the fiber web passes through a net forming curtain, is driven by a net curtain roller and is transmitted to a hot rolling mill, the temperature of the hot rolling mill is 140 ℃, the line pressure is 55MPa, the PE non-woven fabric is obtained after the hot press bonding action of an upper roller and a lower roller of the hot rolling mill, and then the PE non-woven fabric passes through an upper winding roller and a lower winding roller and is subjected to after-finishing;
and S8, quality inspection is carried out on the PE non-woven fabric after finishing, and packaging is carried out after the PE non-woven fabric is qualified.
Example 3
The PE non-woven fabric and the manufacturing process thereof comprise the following steps:
s1: the low-melting PE raw material KS560T is added into a die head A, and the conventional PP raw material H39S-2 and a binder OMBM are added according to the mass of 1:1, and then mixing and stirring the mixture in a magnetic stirrer to form slurry;
s2: extruding and melting the mixed slurry into a screw rod through a feeding system, wherein the melting temperature of the screw rod is 270 ℃, and obtaining a hot melt;
s3, filtering, metering and distributing the hot melt at the temperature of 250 ℃ and the pressure of 10 MPa;
s4, spinning the distributed and metered hot melt, cooling the spun yarn by side cold air, spraying the spun yarn in a 0.8mm aperture, cooling by a cooling bellows, and obtaining a primary filament at a cooling bellows temperature of 20 ℃ and a cooling air speed of 1.5 m/S;
s5, carrying out airflow drafting on the primary filaments through a horn mouth of a slit type drafting device in an airflow splitting mode, obtaining fibers with fineness of 2.2 denier, and arranging molecular chains of the drafted primary filaments to form the fibers in order, wherein the airflow drafting speed is 5000 m/H;
s6, the fibers are laid on a net-forming curtain in disorder, an exhaust fan is arranged below the net-forming curtain, downward suction is carried out, the fibers are fixed on the net-forming curtain, and prepressing is carried out through a prepressing roller to form a fiber net;
s7, the fiber web passes through a net forming curtain, is driven by a net curtain roller and is transmitted to a hot rolling mill, the temperature of the hot rolling mill is 150 ℃, the linear pressure is 70MPa, the PE non-woven fabric is obtained after the hot press bonding action of an upper roller and a lower roller of the hot rolling mill, and the PE non-woven fabric passes through an upper winding roller and a lower winding roller and is then subjected to after-finishing;
and S8, quality inspection is carried out on the PE non-woven fabric after finishing, and packaging is carried out after the PE non-woven fabric is qualified.
The foregoing is only for the understanding of the method and core idea of the invention, and it should be noted that it will be obvious to those skilled in the art that numerous changes and modifications can be made without departing from the principle of the invention, and these changes and modifications fall within the protection scope of the claims of the invention.
Claims (7)
1. The PE non-woven fabric and the manufacturing process thereof are characterized by comprising the following steps:
s1: the low-melting PE raw material KS560T is added into a die head A, and the conventional PP raw material H39S-2 and a binder OMBM are added according to the mass of 1:1, and then mixing and stirring the mixture in a magnetic stirrer to form slurry;
s2: extruding and melting the mixed slurry into a screw rod through a feeding system to obtain a hot melt;
s3, filtering, metering and distributing the hot melt at a certain temperature and a certain pressure;
s4, spinning the distributed and metered hot melt, and cooling the spun yarn by side cold air to obtain a primary filament;
s5, carrying out airflow drafting on the primary filaments through a horn mouth of a slit type drafting device in an airflow filament splitting mode to obtain fibers with denier of 1.8-2.2, and arranging molecular chains of the drafted primary filaments to form fibers in order;
s6, the fibers are randomly paved on a net-forming curtain, and prepressing is carried out through a prepressing roller to form a fiber net;
s7, the fiber web passes through a net forming curtain, is driven by a net curtain roller and is transmitted to a hot rolling mill, and PE non-woven fabrics are obtained after the hot press bonding action of an upper roller and a lower roller of the hot rolling mill, pass through an upper winding roller and a lower winding roller and are then subjected to after-finishing;
and S8, quality inspection is carried out on the nonwoven fabric after finishing, and packaging is carried out after the nonwoven fabric is qualified.
2. The PE nonwoven fabric and the process for producing the same according to claim 1, wherein: the melting temperature of the screw in the step S2 is 180-270 ℃.
3. The PE nonwoven fabric and the process for producing the same according to claim 1, wherein: in the step S3, a certain temperature is 230-250 ℃ and a certain pressure is 5-10 MPa.
4. The PE nonwoven fabric and the process for producing the same according to claim 1, wherein: and (2) spinning the hot melt in the S4, spraying out filaments from the aperture of 0.3-0.8 mm, cooling by a cooling bellows, wherein the temperature of the cooling bellows is 10-20 ℃, and the cooling air speed is 0.2-1.5 m/S.
5. The PE nonwoven fabric and the process for producing the same according to claim 1, wherein: and S5, an exhaust fan is arranged below the net forming curtain, and downward suction is carried out to fix the fibers on the net forming curtain.
6. The PE nonwoven fabric and the process for producing the same according to claim 1, wherein: the draft speed of the air flow in the step S5 is 2000 m/H-5000 m/H.
7. The PE nonwoven fabric and the process for producing the same according to claim 1, wherein: and in the step S7, the temperature of the hot rolling mill is 130-150 ℃ and the line pressure is 30-70 MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310328277.6A CN116411383A (en) | 2023-03-30 | 2023-03-30 | PE non-woven fabric and manufacturing process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310328277.6A CN116411383A (en) | 2023-03-30 | 2023-03-30 | PE non-woven fabric and manufacturing process thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116411383A true CN116411383A (en) | 2023-07-11 |
Family
ID=87052574
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310328277.6A Pending CN116411383A (en) | 2023-03-30 | 2023-03-30 | PE non-woven fabric and manufacturing process thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116411383A (en) |
-
2023
- 2023-03-30 CN CN202310328277.6A patent/CN116411383A/en active Pending
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