CN109078825A - Coating processes in a kind of Polywoven Bag is environmentally friendly - Google Patents
Coating processes in a kind of Polywoven Bag is environmentally friendly Download PDFInfo
- Publication number
- CN109078825A CN109078825A CN201811123182.6A CN201811123182A CN109078825A CN 109078825 A CN109078825 A CN 109078825A CN 201811123182 A CN201811123182 A CN 201811123182A CN 109078825 A CN109078825 A CN 109078825A
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- China
- Prior art keywords
- coating
- environment
- friendly type
- initiator
- environmental protection
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/22—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to internal surfaces, e.g. of tubes
- B05D7/227—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to internal surfaces, e.g. of tubes of containers, cans or the like
-
- 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
- D06N3/0056—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the compounding ingredients of the macro-molecular coating
- D06N3/0059—Organic ingredients with special effects, e.g. oil- or water-repellent, antimicrobial, flame-resistant, magnetic, bactericidal, odour-influencing agents; perfumes
-
- 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
- D06N3/0056—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the compounding ingredients of the macro-molecular coating
- D06N3/0063—Inorganic compounding ingredients, e.g. metals, carbon fibres, Na2CO3, metal layers; Post-treatment with inorganic compounds
-
- 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
- D06N2209/00—Properties of the materials
- D06N2209/06—Properties of the materials having thermal properties
- D06N2209/067—Flame resistant, fire resistant
-
- 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
- D06N2209/00—Properties of the materials
- D06N2209/16—Properties of the materials having other properties
- D06N2209/1678—Resistive to light or to UV
-
- 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)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses coating processes in a kind of Polywoven Bag environmental protection, specifically includes the following steps: finished product flat filament is woven into woven bag fabric by braider, it is spare as coating base fabric；It is spare to prepare coating environment-friendly type coating；Environment friendly coated material formula is made of following mass parts raw material: polypropylene 60-80, linear polyethylene 40-60, initiator 5-10, rare-earth stabilizer 6-8, antioxidant 7-12, corrosion inhibitor 8-15, fire retardant 6-11, ultraviolet light absorbers 4-9.The present invention is used as formulation for coating material using environment-friendly type raw material, so that the woven bag produced has good mobility, corrosion resistance, heat-resisting quantity and preferable processing performance and environmental-protecting performance, while having fire prevention, absorbing ultraviolet light and oxidation resistant function；Interior coating processes based on spraying can reduce the demand to production equipment based on spraying, and improve production efficiency, save the cost.
Description
Technical field
The present invention relates to a kind of coating processes, coating processes in specifically a kind of Polywoven Bag environmental protection.
Background technique
Woven bag is usually to be woven by interlacing silk, in the crossover sites of braided wires there is small seam to remove.Cause
This, is usually used for woven bag surface covering for polyvinyl resin, this kind of woven bag manufacturing method is first to weave on circular weaving machine fine
Tubular article is tieed up, then coated with resins is added in extruder, by extruder extruding and hot melting film, is coated to knitted cylindrical object
Outer surface and become product.The more production equipment of this process requirement, energy consumption is larger, while coating is easy to aging falls off, resistance to
Mill property is not strong, and service life is shorter.
Summary of the invention
The purpose of the present invention is to provide coating processes in a kind of Polywoven Bag environmental protection, to solve in above-mentioned background technique
The problem of proposition.
To achieve the above object, the invention provides the following technical scheme:
Coating processes in a kind of Polywoven Bag is environmentally friendly, specifically includes the following steps:
Step 1: finished product flat filament is woven into woven bag fabric by braider, it is spare as coating base fabric；
Step 2: preparation coating environment-friendly type coating is spare；
Step 3: the coating base fabric in step 1 being preheated, while environment-friendly type coating being added in coating equipment, passes through painting
Coating equipment coats coating base fabric；
Step 4: the coating base fabric that coating is completed is cooling, dries, and go to destatic, then its joint-cutting is fabricated to finished product and is compiled
Knit bag.
Environment friendly coated material formula in the step 1 is made of following mass parts raw material: polypropylene 60-80, linear poly- second
Alkene 40-60, initiator 5-10, rare-earth stabilizer 6-8, antioxidant 7-12, corrosion inhibitor 8-15, fire retardant 6-11, ultraviolet light
Light absorber 4-9.
As a further solution of the present invention: the environment friendly coated material formula is made of following mass parts raw material: poly- third
Alkene 60, linear polyethylene 40, initiator 5, rare-earth stabilizer 6, antioxidant 7, corrosion inhibitor 8, fire retardant 6, ultraviolet are inhaled
Receive agent 4.
As further scheme of the invention: the environment friendly coated material formula is made of following mass parts raw material: poly-
Propylene 70, linear polyethylene 55, initiator 8, rare-earth stabilizer 7, antioxidant 9, corrosion inhibitor 12, fire retardant 8, ultraviolet
Absorbent 6.
As further scheme of the invention: the environment friendly coated material formula is made of following mass parts raw material: poly-
It is propylene 80, linear polyethylene 60, initiator 10, rare-earth stabilizer 8, antioxidant 12, corrosion inhibitor 15, fire retardant 11, ultraviolet
Linear light absorbent 9.
As the present invention further scheme: the environment-friendly type coating the preparation method comprises the following steps:
One, the raw material for standby of above-mentioned mass parts is taken；
Two, polypropylene, linear polyethylene and initiator are first placed into blender and stir, mixes, using at the uniform velocity stirring,
Stirring duration 10-15 minutes；
Three, rare-earth stabilizer, antioxidant, corrosion inhibitor, fire retardant, ultraviolet will be added in blender again to absorb
Agent continues to stir, and is uniformly mixed it；
Four, material passes through extrusion equipment and is granulated after mixing, and environment-friendly type coating is made.
As further scheme of the invention: the ultraviolet absorbing agent uses UV-531.
As further scheme of the invention: the antioxidant uses methyl silicone.
As further scheme of the invention: the fire retardant uses polyvinyl chloride or phosphorous resin.
As further scheme of the invention: the initiator uses organic peroxide or two carbonic ethers.
Compared with prior art, the beneficial effects of the present invention are:
1, the present invention is used as formulation for coating material using environment-friendly type raw material, so that the woven bag produced has good flowing
Property, corrosion resistance, heat-resisting quantity and preferable processing performance and environmental-protecting performance, while there is fire prevention, absorb ultraviolet light and antioxygen
The function of change.
2, the present invention is the interior coating processes based on spraying, and the demand to production equipment can be reduced based on spraying, is mentioned
High efficiency, save the cost.
Specific embodiment
Technical solution of the present invention is described in more detail With reference to embodiment.
Embodiment 1
Coating processes in a kind of Polywoven Bag is environmentally friendly, specifically includes the following steps:
Step 1: finished product flat filament is woven into woven bag fabric by braider, it is spare as coating base fabric；
Step 2: preparation coating environment-friendly type coating is spare；
Step 3: the coating base fabric in step 1 being preheated, while environment-friendly type coating being added in coating equipment, passes through painting
Coating equipment coats coating base fabric；
Step 4: the coating base fabric that coating is completed is cooling, dries, and go to destatic, then its joint-cutting is fabricated to finished product and is compiled
Knit bag.
The environment friendly coated material formula is made of following mass parts raw material: polypropylene 60, linear polyethylene 40, initiator
5, rare-earth stabilizer 6, antioxidant 7, corrosion inhibitor 8, fire retardant 6, ultraviolet light absorbers 4.
The environment-friendly type coating the preparation method comprises the following steps:
One, the raw material for standby of above-mentioned mass parts is taken；
Two, polypropylene, linear polyethylene and initiator are first placed into blender and stir, mixes, using at the uniform velocity stirring,
Stirring duration 10-15 minutes；
Three, rare-earth stabilizer, antioxidant, corrosion inhibitor, fire retardant, ultraviolet will be added in blender again to absorb
Agent continues to stir, and is uniformly mixed it；
Four, material passes through extrusion equipment and is granulated after mixing, and environment-friendly type coating is made.
The ultraviolet absorbing agent uses UV-531.
The antioxidant uses methyl silicone.
The fire retardant uses polyvinyl chloride or phosphorous resin.
The initiator uses organic peroxide or two carbonic ethers.
Embodiment 2
Coating processes in a kind of Polywoven Bag is environmentally friendly, specifically includes the following steps:
Step 1: finished product flat filament is woven into woven bag fabric by braider, it is spare as coating base fabric；
Step 2: preparation coating environment-friendly type coating is spare；
Step 3: the coating base fabric in step 1 being preheated, while environment-friendly type coating being added in coating equipment, passes through painting
Coating equipment coats coating base fabric；
Step 4: the coating base fabric that coating is completed is cooling, dries, and go to destatic, then its joint-cutting is fabricated to finished product and is compiled
Knit bag.
The environment friendly coated material formula is made of following mass parts raw material: polypropylene 70, linear polyethylene 55, initiator
8, rare-earth stabilizer 7, antioxidant 9, corrosion inhibitor 12, fire retardant 8, ultraviolet light absorbers 6.
The environment-friendly type coating the preparation method comprises the following steps:
One, the raw material for standby of above-mentioned mass parts is taken；
Two, polypropylene, linear polyethylene and initiator are first placed into blender and stir, mixes, using at the uniform velocity stirring,
Stirring duration 10-15 minutes；
Three, rare-earth stabilizer, antioxidant, corrosion inhibitor, fire retardant, ultraviolet will be added in blender again to absorb
Agent continues to stir, and is uniformly mixed it；
Four, material passes through extrusion equipment and is granulated after mixing, and environment-friendly type coating is made.
The ultraviolet absorbing agent uses UV-531.
The antioxidant uses methyl silicone.
The fire retardant uses polyvinyl chloride or phosphorous resin.
The initiator uses organic peroxide or two carbonic ethers.
Embodiment 3
Coating processes in a kind of Polywoven Bag is environmentally friendly, specifically includes the following steps:
Step 1: finished product flat filament is woven into woven bag fabric by braider, it is spare as coating base fabric；
Step 2: preparation coating environment-friendly type coating is spare；
Step 3: the coating base fabric in step 1 being preheated, while environment-friendly type coating being added in coating equipment, passes through painting
Coating equipment coats coating base fabric；
Step 4: the coating base fabric that coating is completed is cooling, dries, and go to destatic, then its joint-cutting is fabricated to finished product and is compiled
Knit bag.
The environment friendly coated material formula is made of following mass parts raw material: polypropylene 80, linear polyethylene 60, initiator
10, rare-earth stabilizer 8, antioxidant 12, corrosion inhibitor 15, fire retardant 11, ultraviolet light absorbers 9.
The environment-friendly type coating the preparation method comprises the following steps:
One, the raw material for standby of above-mentioned mass parts is taken；
Two, polypropylene, linear polyethylene and initiator are first placed into blender and stir, mixes, using at the uniform velocity stirring,
Stirring duration 10-15 minutes；
Three, rare-earth stabilizer, antioxidant, corrosion inhibitor, fire retardant, ultraviolet will be added in blender again to absorb
Agent continues to stir, and is uniformly mixed it；
Four, material passes through extrusion equipment and is granulated after mixing, and environment-friendly type coating is made.
The ultraviolet absorbing agent uses UV-531.
The antioxidant uses methyl silicone.
The fire retardant uses polyvinyl chloride or phosphorous resin.
The initiator uses organic peroxide or two carbonic ethers.
Better embodiment of the invention is explained in detail above, but the present invention is not limited to above-mentioned embodiment party
Formula within the knowledge of one of ordinary skill in the art can also be without departing from the purpose of the present invention
Various changes can be made.
Claims (9)
1. coating processes in a kind of Polywoven Bag environmental protection, which is characterized in that specifically includes the following steps:
Step 1: finished product flat filament is woven into woven bag fabric by braider, it is spare as coating base fabric；
Step 2: preparation coating environment-friendly type coating is spare；
Step 3: the coating base fabric in step 1 being preheated, while environment-friendly type coating being added in coating equipment, is covered by applying
It is standby that coating base fabric is coated；
Step 4: the coating base fabric that coating is completed is cooling, dries, and go to destatic, then its joint-cutting is fabricated to finished product braiding
Bag；
Environment friendly coated material formula in the step 1 is made of following mass parts raw material: polypropylene 60-80, linear polyethylene 40-
60, initiator 5-10, rare-earth stabilizer 6-8, antioxidant 7-12, corrosion inhibitor 8-15, fire retardant 6-11, ultraviolet absorb
Agent 4-9.
2. coating processes in a kind of Polywoven Bag environmental protection according to claim 1, which is characterized in that the environment-friendly type
Formulation for coating material is made of following mass parts raw material: polypropylene 60, linear polyethylene 40, initiator 5, rare-earth stabilizer 6, anti-oxidant
Agent 7, corrosion inhibitor 8, fire retardant 6, ultraviolet light absorbers 4.
3. coating processes in a kind of Polywoven Bag environmental protection according to claim 1, which is characterized in that the environment-friendly type
Formulation for coating material is made of following mass parts raw material: polypropylene 70, linear polyethylene 55, initiator 8, rare-earth stabilizer 7, anti-oxidant
Agent 9, corrosion inhibitor 12, fire retardant 8, ultraviolet light absorbers 6.
4. coating processes in a kind of Polywoven Bag environmental protection according to claim 1, which is characterized in that the environment-friendly type
Formulation for coating material is made of following mass parts raw material: polypropylene 80, linear polyethylene 60, initiator 10, rare-earth stabilizer 8, antioxygen
Agent 12, corrosion inhibitor 15, fire retardant 11, ultraviolet light absorbers 9.
5. environment-friendly type coating described in any one of -4 according to claim 1, which is characterized in that the preparation method comprises the following steps:
One, the raw material for standby of above-mentioned mass parts is taken；
Two, polypropylene, linear polyethylene and initiator are first placed into blender and stir, mixes, using at the uniform velocity stirring, stirred
Duration 10-15 minutes；
Three, rare-earth stabilizer, antioxidant, corrosion inhibitor, fire retardant, ultraviolet light absorbers will be added in blender again, after
Continuous stirring, is uniformly mixed it；
Four, material passes through extrusion equipment and is granulated after mixing, and environment-friendly type coating is made.
6. coating processes in a kind of environmental protection of Polywoven Bag described in any one of -4 according to claim 1, which is characterized in that institute
Ultraviolet absorbing agent is stated using UV-531.
7. coating processes in a kind of environmental protection of Polywoven Bag described in any one of -4 according to claim 1, which is characterized in that institute
Antioxidant is stated using methyl silicone.
8. coating processes in a kind of environmental protection of Polywoven Bag described in any one of -4 according to claim 1, which is characterized in that institute
Fire retardant is stated using polyvinyl chloride or phosphorous resin.
9. coating processes in a kind of environmental protection of Polywoven Bag described in any one of -4 according to claim 1, which is characterized in that institute
Initiator is stated using organic peroxide or two carbonic ethers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811123182.6A CN109078825A (en) | 2018-09-26 | 2018-09-26 | Coating processes in a kind of Polywoven Bag is environmentally friendly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811123182.6A CN109078825A (en) | 2018-09-26 | 2018-09-26 | Coating processes in a kind of Polywoven Bag is environmentally friendly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109078825A true CN109078825A (en) | 2018-12-25 |
Family
ID=64842521
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811123182.6A Pending CN109078825A (en) | 2018-09-26 | 2018-09-26 | Coating processes in a kind of Polywoven Bag is environmentally friendly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109078825A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110670206A (en) * | 2019-10-22 | 2020-01-10 | 雁峰集团有限公司 | Circular weaving machine |
| CN111851088A (en) * | 2020-08-05 | 2020-10-30 | 山东兴国新力塑业科技有限公司 | Flame-retardant moisture-proof plastic woven fabric and preparation method thereof |
| CN112553911A (en) * | 2020-11-30 | 2021-03-26 | 山东天舜环保科技有限公司 | High-strength wear-resistant coating for colored glass fiber fabric and preparation method thereof |
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| US20090298367A1 (en) * | 2005-12-19 | 2009-12-03 | Rhodia Recherche Et Technologies | Fibrous Support Comprising A Silicone Coating |
| EP2205110A1 (en) * | 2007-10-24 | 2010-07-14 | Gore Enterprise Holdings, Inc. | Burn protective materials comprising expandable graphite |
| CN102975934A (en) * | 2012-11-21 | 2013-03-20 | 青岛佰众化工技术有限公司 | Coating method of woven bag |
| CN103922015A (en) * | 2014-04-10 | 2014-07-16 | 江苏万乐复合材料有限公司 | Woven bag with inner adhesive film and used for packaging polyvinyl chloride powder and other powder materials |
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2018
- 2018-09-26 CN CN201811123182.6A patent/CN109078825A/en active Pending
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| US20090298367A1 (en) * | 2005-12-19 | 2009-12-03 | Rhodia Recherche Et Technologies | Fibrous Support Comprising A Silicone Coating |
| EP2205110A1 (en) * | 2007-10-24 | 2010-07-14 | Gore Enterprise Holdings, Inc. | Burn protective materials comprising expandable graphite |
| CN102975934A (en) * | 2012-11-21 | 2013-03-20 | 青岛佰众化工技术有限公司 | Coating method of woven bag |
| CN103922015A (en) * | 2014-04-10 | 2014-07-16 | 江苏万乐复合材料有限公司 | Woven bag with inner adhesive film and used for packaging polyvinyl chloride powder and other powder materials |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110670206A (en) * | 2019-10-22 | 2020-01-10 | 雁峰集团有限公司 | Circular weaving machine |
| CN111851088A (en) * | 2020-08-05 | 2020-10-30 | 山东兴国新力塑业科技有限公司 | Flame-retardant moisture-proof plastic woven fabric and preparation method thereof |
| CN112553911A (en) * | 2020-11-30 | 2021-03-26 | 山东天舜环保科技有限公司 | High-strength wear-resistant coating for colored glass fiber fabric and preparation method thereof |
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Application publication date: 20181225 |