CN106948088B - Method for manufacturing non-woven fabric of fixed island - Google Patents
Method for manufacturing non-woven fabric of fixed island Download PDFInfo
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- CN106948088B CN106948088B CN201710263949.4A CN201710263949A CN106948088B CN 106948088 B CN106948088 B CN 106948088B CN 201710263949 A CN201710263949 A CN 201710263949A CN 106948088 B CN106948088 B CN 106948088B
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- 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
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/005—Synthetic yarns or filaments
-
- 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
- D01F1/10—Other agents for modifying properties
-
- 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
- D01F1/10—Other agents for modifying properties
- D01F1/103—Agents inhibiting growth of microorganisms
-
- 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
- D01F8/06—Conjugated, i.e. bi- or multicomponent, artificial filaments or the like; Manufacture thereof from synthetic polymers with at least one polyolefin as constituent
-
- 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
-
- 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
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/08—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
- D04H3/14—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between thermoplastic yarns or filaments produced by welding
- D04H3/147—Composite yarns or filaments
-
- 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
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/08—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating
- D04H3/16—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of strengthening or consolidating with bonds between thermoplastic filaments produced in association with filament formation, e.g. immediately following extrusion
Abstract
The invention discloses a method for manufacturing non-woven fabric of a fixed island, which comprises the following steps: preparing raw materials for manufacturing non-woven fabrics; heating and melting polylactide and polypropylene resin to obtain a melt; adding a photosensitizer, ammonium polyphosphate, a filler, an antibacterial agent and a titanate coupling agent into the melt, stirring and mixing uniformly, spraying the mixture through a spinneret orifice, and cooling and solidifying the mixture to form fibers; transversely and longitudinally arranging fibers in a crossed manner, and carding to form a fiber web; and (3) adjusting the flatness of the fiber web, conveying the fiber web to a hot rolling mill for hot press forming, and finally trimming and inspecting to obtain the fiber web. The raw materials used in the invention are safe and environment-friendly, the manufacturing method is simple, the manufacturing conditions are mild, the product formability is good, the manufacturing cost is low, and the method is suitable for industrial production, the obtained non-woven fabric has the characteristics of thin thickness, light weight, good toughness, moisture resistance, air permeability and tear resistance, and the ammonium polyphosphate, the filler and the antibacterial agent are added to ensure that the non-woven fabric has good antibacterial property, flame retardance, dust resistance and biodegradability, so that the method is worthy of popularization.
Description
Technical Field
The invention relates to the technical field of non-woven fabric processing, in particular to a method for manufacturing a non-woven fabric of a fixed island.
Background
The non-woven fabric is also called non-woven fabric, is formed by oriented or random fibers, is a new generation of environment-friendly material, and has the characteristics of moisture resistance, air permeability, flexibility, light weight, no combustion supporting, easy decomposition, no toxicity, no irritation, rich color, low price, recycling and the like. For example, the fabric is produced by adopting polypropylene (pp material) granules as raw materials and carrying out continuous one-step production through high-temperature melting, spinning, line laying and hot-pressing coiling, and the fabric is called as the fabric due to the appearance and certain properties of the fabric. The disposable non-woven fabric products comprise disposable consumable series such as disposable masks, protective clothing, operating clothing, isolation clothing, experimental clothing, nurse caps, operating caps, doctor caps, operating bags, puerpera bags, first-aid bags, diapers, pillow cases, bed sheets, quilt covers, shoe covers and the like. The disposable non-woven fabric product is used as a disposable article, is convenient to use, safe and sanitary, and can effectively prevent bacterial infection and iatrogenic cross infection. In the prior art, the biodegradability of disposable non-woven fabric products is poor, and along with the continuous increase of the using amount of the disposable non-woven fabric products, the garbage pollution problem of the disposable non-woven fabric products is more and more serious. Moreover, the existing disposable random fiber non-woven fabric product has the problem of poor antibacterial property and dust resistance due to the limitation of the manufacturing process. Based on the statement, the invention provides a method for manufacturing a non-woven fabric of a fixed island.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a method for manufacturing a non-woven fabric of a fixed island.
A method for manufacturing non-woven fabrics of fixed islands comprises the following steps:
s1, preparing raw materials for manufacturing non-woven fabrics, wherein the raw materials comprise, by weight, 20-30 parts of polylactide, 20-40 parts of polypropylene resin, 5-8 parts of a photosensitizer, 2-4 parts of ammonium polyphosphate, 18-25 parts of a filler, 2-4 parts of an antibacterial agent and 1-3 parts of a titanate coupling agent;
s2, adding the polylactide and the polypropylene resin in the step S1 into a melting tank together, and heating at high temperature until the polylactide and the polypropylene resin are completely melted to obtain a melt;
s3, cooling the melt obtained in the step S2 to 120-160 ℃, preserving heat, adding the photosensitizer, the ammonium polyphosphate, the filler, the antibacterial agent and the titanate coupling agent in the step S1, stirring and mixing uniformly at the rotating speed of 280-320 r/min, spraying out through a spinneret orifice with the aperture of 0.2-0.8 mm, cooling and solidifying to form fibers;
s4, feeding the fibers obtained in the step S3 into a lapping machine at a speed of 10-50 m/min, transversely and longitudinally arranging 2-5 layers in a crossed mode, and carding to form a fiber web;
and S5, adjusting the flatness of the fiber web obtained in the step S4 by using a tension adjusting roller, conveying the fiber web into a hot rolling mill, carrying out hot press forming under the conditions that the temperature is 150-200 ℃ and the pressure is 0.8-1.5 MPa, and finally carrying out edge cutting and inspection to obtain the required non-woven fabric for the chinampa.
Preferably, the raw materials for manufacturing the non-woven fabric in the step S1 include, by weight, 22 to 28 parts of polylactide, 25 to 35 parts of polypropylene resin, 6 to 7 parts of photosensitizer, 2.5 to 3.5 parts of ammonium polyphosphate, 20 to 24 parts of filler, 2.5 to 3.5 parts of antibacterial agent, and 1.5 to 2.5 parts of titanate coupling agent.
Preferably, the raw material for manufacturing the non-woven fabric in the step S1 includes, by weight, 25 parts of polylactide, 30 parts of polypropylene resin, 6 parts of photosensitizer, 3 parts of ammonium polyphosphate, 22 parts of filler, 3 parts of antibacterial agent, and 2 parts of titanate coupling agent.
Preferably, the filler in the step S1 is mixed powder with a mesh number of 225-275 meshes, wherein the mixed powder is prepared by mixing acetylated starch, straw powder and talcum powder in a mass ratio of 3.2-5.8: 2.8-4: 1.
Preferably, the antibacterial agent in the step S1 is mixed powder with a mesh number of 225-275 meshes, wherein the mixed powder is prepared by mixing nano silver ions, nano copper ions, chitosan quaternary ammonium salt, water chestnut yellow powder, coptis chinensis powder and andrographis paniculata powder in a mass ratio of 1.5-2.2: 1-1.5: 1: 0.3-0.8.
Preferably, the cooling solidification in the step S3 specifically means cooling solidification by a cold air flow at 2-15 ℃.
The invention provides a method for manufacturing a non-woven fabric of a fixed island, which adopts polylactide and polypropylene resin as raw materials, adds an auxiliary agent and a filler after high-temperature melting, stirs and mixes uniformly, and then carries out spinning, lapping and hot rolling to obtain the non-woven fabric.
Detailed Description
The present invention will be further illustrated with reference to the following specific examples.
Example one
The invention provides a method for manufacturing non-woven fabric of a fixed island, which comprises the following steps:
s1, preparing raw materials for manufacturing non-woven fabrics, wherein the raw materials comprise, by weight, 30 parts of polylactide, 40 parts of polypropylene resin, 8 parts of photosensitizer, 4 parts of ammonium polyphosphate, 25 parts of filler, 4 parts of antibacterial agent and 3 parts of titanate coupling agent, wherein the filler is mixed powder with 275 meshes, which is prepared by mixing acetylated starch, straw powder and talcum powder in a mass ratio of 5.8:4:1, and the antibacterial agent is mixed powder with 275 meshes, which is prepared by mixing nano silver ions, nano copper ions, chitosan quaternary ammonium salt, water chestnut yellow powder, coptis chinensis powder and andrographis paniculata powder in a mass ratio of 2.2:1.5:1:0.8:0.8: 0.8;
s2, adding the polylactide and the polypropylene resin in the step S1 into a melting tank together, and heating at high temperature until the polylactide and the polypropylene resin are completely melted to obtain a melt;
s3, cooling the melt obtained in the step S2 to 160 ℃, preserving heat, adding the photosensitizer, the ammonium polyphosphate, the filler, the antibacterial agent and the titanate coupling agent in the step S1, stirring and mixing uniformly at the rotating speed of 320r/min, spraying out the mixture through a spinneret orifice with the aperture of 0.8mm, and cooling and solidifying the mixture through cold airflow at 15 ℃ to form fibers;
s4, feeding the fibers obtained in the step S3 into a lapping machine at a speed of 50m/min, transversely and longitudinally arranging 5 layers in a crossed mode, and carding to form a fiber web;
s5, adjusting the flatness of the fiber web obtained in the step S4 by using a tension adjusting roller, then conveying the fiber web into a hot rolling mill, carrying out hot press forming under the conditions that the temperature is 200 ℃ and the pressure is 1.5MPa, and finally carrying out edge cutting and inspection to obtain the required figured non-woven fabric.
Example two
The invention provides a method for manufacturing non-woven fabric of a fixed island, which comprises the following steps:
s1, preparing raw materials for manufacturing non-woven fabrics, wherein the raw materials comprise, by weight, 20 parts of polylactide, 20 parts of polypropylene resin, 5 parts of photosensitizer, 2 parts of ammonium polyphosphate, 18 parts of filler, 2 parts of antibacterial agent and 1 part of titanate coupling agent, wherein the filler is mixed powder with a mesh number of 225 meshes, which is prepared by mixing acetylated starch, straw powder and talcum powder in a mass ratio of 3.2:2.8:1, and the antibacterial agent is mixed powder with a mesh number of 225 meshes, which is prepared by mixing nano silver ions, nano copper ions, chitosan quaternary ammonium salt, water chestnut yellow powder, coptis chinensis powder and andrographis paniculata powder in a mass ratio of 1.5:1:1:0.3:0.3: 0.3;
s2, adding the polylactide and the polypropylene resin in the step S1 into a melting tank together, and heating at high temperature until the polylactide and the polypropylene resin are completely melted to obtain a melt;
s3, cooling the melt obtained in the step S2 to 120 ℃, preserving heat, adding the photosensitizer, the ammonium polyphosphate, the filler, the antibacterial agent and the titanate coupling agent in the step S1, stirring and mixing uniformly at the rotating speed of 280r/min, spraying out the mixture through a spinneret orifice with the aperture of 0.2mm, and cooling and solidifying the mixture through cold airflow at the temperature of 2 ℃ to form fibers;
s4, feeding the fibers obtained in the step S3 into a lapping machine at a speed of 10m/min, transversely and longitudinally arranging 2 layers in a crossed mode, and carding to form a fiber web;
s5, adjusting the flatness of the fiber web obtained in the step S4 by using a tension adjusting roller, then conveying the fiber web into a hot rolling mill, carrying out hot press forming under the conditions that the temperature is 150 ℃ and the pressure is 0.8MPa, and finally carrying out edge cutting and inspection to obtain the required figured non-woven fabric.
EXAMPLE III
The invention provides a method for manufacturing non-woven fabric of a fixed island, which comprises the following steps:
s1, preparing raw materials for manufacturing non-woven fabrics, wherein the raw materials comprise, by weight, 25 parts of polylactide, 30 parts of polypropylene resin, 6.5 parts of photosensitizer, 3 parts of ammonium polyphosphate, 22 parts of filler, 3 parts of antibacterial agent and 2 parts of titanate coupling agent, wherein the filler is mixed powder with the mesh number of 250 meshes, which is prepared by mixing acetylated starch, straw powder and talcum powder in a mass ratio of 4.5:3.4:1, and the antibacterial agent is mixed powder with the mesh number of 250 meshes, which is prepared by mixing nano silver ions, nano copper ions, chitosan quaternary ammonium salt, horseshoe yellow powder, coptis chinensis powder and andrographis paniculata powder in a mass ratio of 1.9:1.2:1:0.5: 0.5;
s2, adding the polylactide and the polypropylene resin in the step S1 into a melting tank together, and heating at high temperature until the polylactide and the polypropylene resin are completely melted to obtain a melt;
s3, cooling the melt obtained in the step S2 to 140 ℃, preserving heat, adding the photosensitizer, the ammonium polyphosphate, the filler, the antibacterial agent and the titanate coupling agent in the step S1, stirring and mixing uniformly at the rotating speed of 300r/min, spraying out the mixture through a spinneret orifice with the aperture of 0.5mm, and cooling and solidifying the mixture through cold airflow at the temperature of 8 ℃ to form fibers;
s4, feeding the fibers obtained in the step S3 into a lapping machine at the speed of 30m/min, transversely and longitudinally arranging 4 layers in a crossed mode, and carding to form a fiber web;
s5, adjusting the flatness of the fiber web obtained in the step S4 by using a tension adjusting roller, then conveying the fiber web into a hot rolling mill, carrying out hot press forming under the conditions that the temperature is 180 ℃ and the pressure is 1.2MPa, and finally carrying out edge cutting and inspection to obtain the required figured island nonwoven fabric.
The antibacterial agent and biodegradability of the figured nonwoven fabric prepared in the first to third embodiments of the present invention were respectively tested, and the following results were obtained:
| examples | A | II | III |
| Effective antibacterial rate (%) | 94.2 | 93.9 | 93.4 |
| 21d degradation (%) | 98.7 | 97.9 | 99.5 |
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. A method for manufacturing non-woven fabrics of a fixed island is characterized by comprising the following steps:
s1, preparing raw materials for manufacturing non-woven fabrics, wherein the raw materials comprise, by weight, 20-30 parts of polylactide, 20-40 parts of polypropylene resin, 5-8 parts of a photosensitizer, 2-4 parts of ammonium polyphosphate, 18-25 parts of a filler, 2-4 parts of an antibacterial agent and 1-3 parts of a titanate coupling agent; wherein the antibacterial agent is prepared by mixing nano silver ions, nano copper ions, chitosan quaternary ammonium salt, water chestnut yellow powder, coptis powder and andrographis paniculata powder;
s2, adding the polylactide and the polypropylene resin in the step S1 into a melting tank together, and heating at high temperature until the polylactide and the polypropylene resin are completely melted to obtain a melt;
s3, cooling the melt obtained in the step S2 to 120-160 ℃, preserving heat, adding the photosensitizer, the ammonium polyphosphate, the filler, the antibacterial agent and the titanate coupling agent in the step S1, stirring and mixing uniformly at the rotating speed of 280-320 r/min, spraying out through a spinneret orifice with the aperture of 0.2-0.8 mm, cooling and solidifying to form fibers;
s4, feeding the fibers obtained in the step S3 into a lapping machine at a speed of 10-50 m/min, transversely and longitudinally arranging 2-5 layers in a crossed mode, and carding to form a fiber web;
and S5, adjusting the flatness of the fiber web obtained in the step S4 by using a tension adjusting roller, conveying the fiber web into a hot rolling mill, carrying out hot press forming under the conditions that the temperature is 150-200 ℃ and the pressure is 0.8-1.5 MPa, and finally carrying out edge cutting and inspection to obtain the required non-woven fabric for the chinampa.
2. The method for manufacturing a non-woven fabric for a fixed island according to claim 1, wherein the raw materials for manufacturing the non-woven fabric in the step S1 comprise, by weight, 22-28 parts of polylactide, 25-35 parts of polypropylene resin, 6-7 parts of photosensitizer, 2.5-3.5 parts of ammonium polyphosphate, 20-24 parts of filler, 2.5-3.5 parts of antibacterial agent, and 1.5-2.5 parts of titanate coupling agent.
3. The method for manufacturing a non-woven fabric for a fixed island according to claim 1, wherein the raw materials for manufacturing the non-woven fabric in the step S1 comprise, by weight, 25 parts of polylactide, 30 parts of polypropylene resin, 6 parts of photosensitizer, 3 parts of ammonium polyphosphate, 22 parts of filler, 3 parts of antibacterial agent, and 2 parts of titanate coupling agent.
4. The method for manufacturing the nonwoven fabric for islands according to claim 1, wherein the filler in the step S1 is a mixed powder with a mesh number of 225-275 meshes, which is prepared by mixing acetylated starch, straw powder and talcum powder in a mass ratio of 3.2-5.8: 2.8-4: 1.
5. The method for manufacturing a non-woven fabric for a fixed island according to claim 1, wherein the antibacterial agent in the step S1 is mixed powder with a mesh number of 225-275 meshes, and the mixed powder is prepared by mixing nano silver ions, nano copper ions, chitosan quaternary ammonium salt, horseshoe yellow powder, coptis chinensis powder and andrographis paniculata powder in a mass ratio of 1.5-2.2: 1-1.5: 1: 0.3-0.8.
6. The method for manufacturing a nonwoven fabric for a fixed island according to claim 1, wherein the cooling solidification in step S3 is cooling solidification with a cold air flow at 2-15 ℃.
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| CN107313152A (en) * | 2017-08-01 | 2017-11-03 | 合肥梵清电子商务有限公司 | A kind of technology for producing jacquard pattern wool fabric |
| CN110074509A (en) * | 2019-05-20 | 2019-08-02 | 扬州金露日用品有限公司 | A kind of preparation method of degradable slippers |
| TWI807276B (en) * | 2020-03-12 | 2023-07-01 | 劍亮 龔 | Air filtration system, antiviral face mask, coating obtained by drying of a solution and coated object |
| CN111575912A (en) * | 2020-05-29 | 2020-08-25 | 江苏金材科技有限公司 | Antibacterial melt-blown fabric |
| EP4294974A1 (en) | 2021-02-18 | 2023-12-27 | Lynam Pharma Limited | Bio-sustainable nonwoven fabrics and methods for making said fabrics |
| CN113789006A (en) * | 2021-08-31 | 2021-12-14 | 安徽普尔德无纺科技有限公司 | Medical non-woven gauze and production process thereof |
| CN114657699A (en) * | 2022-03-17 | 2022-06-24 | 中致新(厦门)科技有限公司 | Novel degradable non-woven material and production process thereof |
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| SE514391C2 (en) * | 1997-12-03 | 2001-02-19 | Sca Hygiene Prod Ab | Absorbent articles |
| JP4496360B2 (en) * | 2003-04-24 | 2010-07-07 | 国立大学法人九州大学 | Medical Polymer Nano / Microfiber |
| CN101705579A (en) * | 2009-10-26 | 2010-05-12 | 深圳市新纶科技股份有限公司 | Anti-electrostatic antibiotic non-woven fabric, preparation process thereof and mask made of same |
| DE202011002852U1 (en) * | 2011-02-18 | 2011-05-19 | Kornbusch & Starting GmbH & Co. KG, 46325 | non-woven cloth |
| CN104911809A (en) * | 2015-05-14 | 2015-09-16 | 佛山市维晨科技有限公司 | Profiled fiber non-woven fabric and manufacturing method thereof |
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Inventor after: Ye Hongsi Inventor after: Zhou Wenzhi Inventor after: Ye Hongcong Inventor after: Cai Yutai Inventor after: Cai Tianshou Inventor before: Cai Yutai Inventor before: Cai Tianshou |
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Effective date of registration: 20210401 Address after: 362271 Meitang Processing Zone, Dongshi Town, Jinjiang City, Quanzhou City, Fujian Province Patentee after: JINJIANG TIANSHOU GARMENT WEAVING Co.,Ltd. Patentee after: TIANSHOU (FUJIAN) MICROFIBER TECHNOLOGY Co.,Ltd. Patentee after: FUJIAN TIANSHOU TEXTILE NEW MATERIAL Co.,Ltd. Address before: 364000 dengbang Industrial Park, Zhangping City, Longyan City, Fujian Province Patentee before: TIANSHOU (FUJIAN) MICROFIBER TECHNOLOGY Co.,Ltd. |
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