CN106319728A - Production method of high-strength plastic woven bag - Google Patents

Production method of high-strength plastic woven bag Download PDF

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Publication number
CN106319728A
CN106319728A CN201610705496.1A CN201610705496A CN106319728A CN 106319728 A CN106319728 A CN 106319728A CN 201610705496 A CN201610705496 A CN 201610705496A CN 106319728 A CN106319728 A CN 106319728A
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CN
China
Prior art keywords
polypropylene
flat filament
polyethylene
woven bag
filament
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
Application number
CN201610705496.1A
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Chinese (zh)
Inventor
王旭辉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tianjin Xuhuihengyuan Plastic Packaging Corp
Original Assignee
Tianjin Xuhuihengyuan Plastic Packaging Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Tianjin Xuhuihengyuan Plastic Packaging Corp filed Critical Tianjin Xuhuihengyuan Plastic Packaging Corp
Priority to CN201610705496.1A priority Critical patent/CN106319728A/en
Publication of CN106319728A publication Critical patent/CN106319728A/en
Pending legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C69/00—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C69/00—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore
    • B29C69/001—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore a shaping technique combined with cutting, e.g. in parts or slices combined with rearranging and joining the cut parts
    • 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
    • D01D10/00—Physical treatment of artificial filaments or the like during manufacture, i.e. during a continuous production process before the filaments have been collected
    • D01D10/02—Heat treatment
    • 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
    • D01D5/42—Formation of filaments, threads, or the like by cutting films into narrow ribbons or filaments or by fibrillation of films or filaments
    • D01D5/426—Formation of filaments, threads, or the like by cutting films into narrow ribbons or filaments or by fibrillation of films or filaments by cutting films
    • 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
    • D01F6/00—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof
    • D01F6/44—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds
    • D01F6/46—Monocomponent artificial filaments or the like of synthetic polymers; Manufacture thereof from mixtures of polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds as major constituent with other polymers or low-molecular-weight compounds of polyolefins
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D15/00—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used
    • D03D15/40—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the structure of the yarns or threads
    • D03D15/47—Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used characterised by the structure of the yarns or threads multicomponent, e.g. blended yarns or threads
    • D—TEXTILES; PAPER
    • D03—WEAVING
    • D03D—WOVEN FABRICS; METHODS OF WEAVING; LOOMS
    • D03D3/00—Woven fabrics characterised by their shape
    • D03D3/02—Tubular fabrics
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
    • D06N3/0002—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate
    • D06N3/0006—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate using woven fabrics
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
    • D06N3/0002—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate
    • D06N3/0015—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate using fibres of specified chemical or physical nature, e.g. natural silk
    • D06N3/0038—Polyolefin fibres
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
    • D06N3/0086—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the application technique
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
    • D06N3/04—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D06N3/045—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds with polyolefin or polystyrene (co-)polymers
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N2201/00—Chemical constitution of the fibres, threads or yarns
    • D06N2201/02—Synthetic macromolecular fibres
    • D06N2201/0254—Polyolefin fibres
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N2203/00—Macromolecular materials of the coating layers
    • D06N2203/04—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D06N2203/042—Polyolefin (co)polymers
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N2211/00—Specially adapted uses
    • D06N2211/12—Decorative or sun protection articles
    • D06N2211/20—Packaging
    • 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
    • D10B2321/022—Fibres made from polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds polyolefins polypropylene

Abstract

The invention relates to a production method of a high-strength plastic woven bag. The production method comprises the following steps: firstly, preparing polypropylene primary flat filaments, polypropylene primary flat filaments and polypropylene filament yarns; secondly, performing hot stretching and hot setting to obtain polypropylene finished flat filament and polypropylene finished flat filaments; weaving on a circular weaving machine to obtain woven drum fabric; thirdly, performing coextrusion and two-way stretching on special two-way stretching level polypropylene materials to obtain a cylindrical polypropylene inner coating film, and enabling the cylindrical polypropylene inner coating film to penetrate through and sleeve the inner part of the woven plastic woven drum fabric; enabling the woven plastic woven drum fabric to enter a heating baking oven; performing pressing fit, lifting and winding to obtain the plastic woven bag with the polypropylene inner coating film. According to the production method disclosed by the invention, the high-strength polypropylene finished flat filament, the polypropylene finished flat filament and polypropylene filament yarns are respectively adopted in a warp direction and a weft direction for weaving, so that the strength of woven base cloth is guaranteed; in addition, the inner part of the woven bag is coated with a polypropylene thin film, so that the strength of the plastic woven bag is improved; the plastic woven bag is suitable for packaging powdery small particle objects.

Description

A kind of production method of high strength plastics woven bag
Technical field
The present invention relates to woven bag field, particularly relate to the production method of a kind of high strength plastics woven bag.
Background technology
Polywoven Bag is the packaging bag of the plastic flat wire braided utilizing warp-wise and broadwise, is widely used in daily life Live and in work, agricultural production.And existing Polywoven Bag uses the flat filament through broadwise to have certain degree of hardness, in braiding process In, often there is phase mutual friction in the flat filament of warp-wise and broadwise so that produces shearing force between crossing flat filament, in weaving process The intensity of flat filament is caused infringement, also allows for the strength decline of the plastic woven cloth knit out, it is impossible to be enough satisfied to packaging The material that requirement of strength is higher.
Summary of the invention
Present invention seek to address that the deficiencies in the prior art, and the production method of a kind of high strength plastics woven bag is provided.
The present invention for achieving the above object, by the following technical solutions: the production method of a kind of high strength plastics woven bag, its Being characterised by, its step is as follows:
(1) polypropylene plastics granule is extruded into thin film by plastic extruder, after cutting, makes polypropylene come into being flat Silk；Polypropylene plastic grain is extruded into thin film by plastic extruder, after cutting, makes polypropylene come into being flat filament；By polypropylene plastics Granule is extruded into polypropylene filament yarn by plastic extruder；
(2) respectively polypropylene is come into being flat filament and polypropylene flat filament of coming into being carries out hot gas spring and thermal finalization, prepare polypropylene Finished product flat filament and polypropylene finished product flat filament；
(3) with polypropylene finished product flat filament as warp, with polypropylene finished product flat filament and polypropylene filament yarn collectively as parallel, knit at circle Braiding cylinder cloth is woven on machine；
(4) biaxial tension level polyethylene special-purpose material is used to cover in coextrusion and the two-way polyethylene being drawn into cylindrical shape Film；
(5) will blow out after drum by overlay film air-blast device in the cylindric polyethylene of preparation, and be set on and be woven into Inside plastic weaving tube cloth, entering back into heated oven, temperature is set to 90 DEG C, and in the polyethylene of liner, overlay film occurs melted, laminating Inside Polywoven Bag, then the Polywoven Bag of overlay film in pressing, lifting and rolling are produced with polyethylene.
Particularly, the line density of the polypropylene finished product flat filament in described step (2) is more than 1600D, polypropylene finished product flat filament Line density is more than 1500D.
Particularly, in described step (4), when coextrusion, the extrusion temperature of polyethylene extrudes slab at 240 DEG C, with 20 DEG C of temperature chillings are solidified into sheet, then carry out longitudinal stretching after 100 DEG C of preheatings, carry out cross directional stretch after thermal finalization, system Become overlay film in the polyethylene of cylindrical shape.
The invention has the beneficial effects as follows: a kind of high strength plastics woven bag prepared by the present invention, warp-wise and broadwise are respectively adopted High-strength polypropylene finished product flat filament and polypropylene finished product flat filament and polypropylene filament yarn carry out the braiding of base fabric, it is ensured that braiding base fabric Strength, and be covered with polyethylene film in the inside of woven bag, not only increase the strength of Polywoven Bag, and be applicable to The packaging of powdery small particle body.
Detailed description of the invention
Below in conjunction with embodiment, the invention will be further described:
The production method of a kind of high strength plastics woven bag, it is characterised in that its step is as follows:
(1) polypropylene plastics granule is extruded into thin film by plastic extruder, after cutting, makes polypropylene come into being flat Silk；Polypropylene plastic grain is extruded into thin film by plastic extruder, after cutting, makes polypropylene come into being flat filament；By polypropylene plastics Granule is extruded into polypropylene filament yarn by plastic extruder；
(2) respectively polypropylene is come into being flat filament and polypropylene flat filament of coming into being carries out hot gas spring and thermal finalization, prepare polypropylene Finished product flat filament and polypropylene finished product flat filament, the line density of polypropylene finished product flat filament is 1700D, and the line density of polypropylene finished product flat filament is 1550D。
(3) with polypropylene finished product flat filament as warp, with polypropylene finished product flat filament and polypropylene filament yarn collectively as parallel, knit at circle Braiding cylinder cloth is woven on machine；
(4) biaxial tension level polyethylene special-purpose material is used to cover in the polyethylene of cylindrical shape is made in coextrusion and biaxial tension Film, when coextrusion, the extrusion temperature of polyethylene extrudes slab at 240 DEG C, is solidified into sheet, then warp with 20 DEG C of temperature chillings Carry out longitudinal stretching after 100 DEG C of preheatings, after thermal finalization, carry out cross directional stretch, make overlay film in the polyethylene of cylindrical shape；
(5) will blow out after drum by overlay film air-blast device in the cylindric polyethylene of preparation, and be set on and be woven into Inside plastic weaving tube cloth, entering back into heated oven, temperature is set to 90 DEG C, and in the polyethylene of liner, overlay film occurs melted, laminating Inside Polywoven Bag, then the Polywoven Bag of overlay film in pressing, lifting and rolling are produced with polyethylene.
Above the present invention is exemplarily described, it is clear that the present invention implements and is not subject to the restrictions described above, As long as have employed method design and the various improvement that carry out of technical scheme of the present invention, or the most improved directly apply to other Close, all within protection scope of the present invention.

Claims (3)

1. the production method of a high strength plastics woven bag, it is characterised in that its step is as follows:
(1) polypropylene plastics granule is extruded into thin film by plastic extruder, after cutting, makes polypropylene come into being flat filament；Will Polypropylene plastic grain is extruded into thin film by plastic extruder, makes polypropylene and come into being flat filament after cutting；By polypropylene plastic grain It is extruded into polypropylene filament yarn by plastic extruder；
(2) respectively polypropylene is come into being flat filament and polypropylene flat filament of coming into being carries out hot gas spring and thermal finalization, prepare polypropylene finished product Flat filament and polypropylene finished product flat filament；
(3) with polypropylene finished product flat filament as warp, with polypropylene finished product flat filament and polypropylene filament yarn collectively as parallel, on circular weaving machine Weave braiding cylinder cloth；
(4) biaxial tension level polyethylene special-purpose material overlay film in the polyethylene of cylindrical shape is made in coextrusion and biaxial tension is used；
(5), after overlay film air-blast device in the cylindric polyethylene of preparation being blown out drum, it is set on the plastics being woven into Inside braiding cylinder cloth, entering back into heated oven, temperature is set to 90 DEG C, and in the polyethylene of liner, overlay film occurs melted, is fitted in and moulds Inside material woven bag, then the Polywoven Bag of overlay film in pressing, lifting and rolling are produced with polyethylene.
The production method of a kind of high strength plastics woven bag the most according to claim 1, it is characterised in that particularly, described The line density of the polypropylene finished product flat filament in step (2) is more than 1600D, and the line density of polypropylene finished product flat filament is more than 1500D.
The production method of a kind of high strength plastics woven bag the most according to claim 1, it is characterised in that described step (4) In, when coextrusion, the extrusion temperature of polyethylene extrudes slab at 240 DEG C, is solidified into sheet, then warp with 20 DEG C of temperature chillings Carry out longitudinal stretching after 100 DEG C of preheatings, after thermal finalization, carry out cross directional stretch, make overlay film in the polyethylene of cylindrical shape.
CN201610705496.1A 2016-08-23 2016-08-23 Production method of high-strength plastic woven bag Pending CN106319728A (en)

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Cited By (7)

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CN106241022A (en) * 2016-08-23 2016-12-21 天津市旭辉恒远塑料包装股份有限公司 A kind of preparation method of overlay film Polywoven Bag
CN107653547A (en) * 2017-10-17 2018-02-02 界首市鹏飞包装材料有限公司 A kind of highstrenghtpiston's woven bag
CN109355773A (en) * 2018-10-18 2019-02-19 山东兴国新力塑业科技有限公司 A kind of high grammes per square metre base fabric container bag and preparation method thereof
CN110091552A (en) * 2019-05-28 2019-08-06 湖北欧图户外用品科技有限公司 A kind of waterproof woven cloth
CN110629364A (en) * 2019-07-30 2019-12-31 宿迁市中塑实业有限公司 Preparation method of plastic woven bag
CN112644101A (en) * 2020-12-21 2021-04-13 天津市旭辉恒远塑料包装股份有限公司 Preparation method of composite plastic woven bag
CN115012053A (en) * 2022-07-11 2022-09-06 江苏高达新材料有限公司 Polypropylene plastic woven bag and production method thereof

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Cited By (7)

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CN106241022A (en) * 2016-08-23 2016-12-21 天津市旭辉恒远塑料包装股份有限公司 A kind of preparation method of overlay film Polywoven Bag
CN107653547A (en) * 2017-10-17 2018-02-02 界首市鹏飞包装材料有限公司 A kind of highstrenghtpiston's woven bag
CN109355773A (en) * 2018-10-18 2019-02-19 山东兴国新力塑业科技有限公司 A kind of high grammes per square metre base fabric container bag and preparation method thereof
CN110091552A (en) * 2019-05-28 2019-08-06 湖北欧图户外用品科技有限公司 A kind of waterproof woven cloth
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CN115012053A (en) * 2022-07-11 2022-09-06 江苏高达新材料有限公司 Polypropylene plastic woven bag and production method thereof

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Application publication date: 20170111