CN117661345A - Production method of polypropylene binding rope - Google Patents
Production method of polypropylene binding rope Download PDFInfo
- Publication number
- CN117661345A CN117661345A CN202311715687.2A CN202311715687A CN117661345A CN 117661345 A CN117661345 A CN 117661345A CN 202311715687 A CN202311715687 A CN 202311715687A CN 117661345 A CN117661345 A CN 117661345A
- Authority
- CN
- China
- Prior art keywords
- polypropylene
- melt adhesive
- hot melt
- film
- stretching
- 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
Links
- -1 polypropylene Polymers 0.000 title claims abstract description 65
- 239000004743 Polypropylene Substances 0.000 title claims abstract description 63
- 229920001155 polypropylene Polymers 0.000 title claims abstract description 62
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 16
- 239000000843 powder Substances 0.000 claims abstract description 27
- 239000004831 Hot glue Substances 0.000 claims abstract description 23
- 238000000034 method Methods 0.000 claims abstract description 6
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical class [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 16
- 239000003963 antioxidant agent Substances 0.000 claims description 10
- 230000003078 antioxidant effect Effects 0.000 claims description 10
- 238000005507 spraying Methods 0.000 claims description 10
- 229920005629 polypropylene homopolymer Polymers 0.000 claims description 9
- 238000005520 cutting process Methods 0.000 claims description 8
- 238000002156 mixing Methods 0.000 claims description 8
- 238000007664 blowing Methods 0.000 claims description 7
- 239000000155 melt Substances 0.000 claims description 5
- BGYHLZZASRKEJE-UHFFFAOYSA-N [3-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]-2,2-bis[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxymethyl]propyl] 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCC(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 BGYHLZZASRKEJE-UHFFFAOYSA-N 0.000 claims description 4
- 230000032683 aging Effects 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 4
- 238000002844 melting Methods 0.000 claims description 4
- 230000008018 melting Effects 0.000 claims description 4
- 238000005096 rolling process Methods 0.000 claims description 4
- 239000004698 Polyethylene Substances 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 2
- SSDSCDGVMJFTEQ-UHFFFAOYSA-N octadecyl 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CCCCCCCCCCCCCCCCCCOC(=O)CCC1=CC(C(C)(C)C)=C(O)C(C(C)(C)C)=C1 SSDSCDGVMJFTEQ-UHFFFAOYSA-N 0.000 claims description 2
- 230000007547 defect Effects 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 4
- 239000004033 plastic Substances 0.000 abstract description 4
- 229920003023 plastic Polymers 0.000 abstract description 4
- 238000005491 wire drawing Methods 0.000 abstract description 4
- 240000000491 Corchorus aestuans Species 0.000 abstract description 2
- 235000011777 Corchorus aestuans Nutrition 0.000 abstract description 2
- 235000010862 Corchorus capsularis Nutrition 0.000 abstract description 2
- 239000000463 material Substances 0.000 abstract description 2
- 238000003860 storage Methods 0.000 abstract description 2
- 238000009954 braiding Methods 0.000 abstract 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 6
- 244000025254 Cannabis sativa Species 0.000 description 2
- 235000012766 Cannabis sativa ssp. sativa var. sativa Nutrition 0.000 description 2
- 235000012765 Cannabis sativa ssp. sativa var. spontanea Nutrition 0.000 description 2
- 235000009120 camo Nutrition 0.000 description 2
- 235000005607 chanvre indien Nutrition 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 239000011487 hemp Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010101 extrusion blow moulding Methods 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 102220005338 rs111033604 Human genes 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
- DXZMANYCMVCPIM-UHFFFAOYSA-L zinc;diethylphosphinate Chemical compound [Zn+2].CCP([O-])(=O)CC.CCP([O-])(=O)CC DXZMANYCMVCPIM-UHFFFAOYSA-L 0.000 description 1
Abstract
The invention belongs to the technical field of binding rope materials, and discloses a production method of a polypropylene binding rope, which adopts a polypropylene film surface to be uniformly sprayed with hot melt adhesive powder for wire drawing, and a twisting and shaft twisting machine is used for stranding on the narrow strip surface, so that the binding rope is clean and soft in hand feeling, has no sharp corners, burrs and sharp edges which can hurt human bodies, is uniformly and neatly twisted, has no defects of broken ends, outcrop, wire shortage and the like, has a bonding effect when in stranding, has a good stranding effect, and has a simple and convenient process, the obtained polypropylene binding rope has large tension and long storage time, can replace paper ropes, jute and coir ropes, can be used for braiding net tools, hand baskets, sacks and various ropes, and can also be used as a frame strip in a plastic greenhouse.
Description
Technical Field
The invention belongs to the technical field of polypropylene binding ropes, and particularly relates to a production method of a polypropylene binding rope.
Background
Since the polypropylene strapping lines are stronger than the paper lines and hemp lines, the strapping lines have been replaced with polypropylene strapping lines in recent years. The polypropylene binding rope is a new-type plastic product, which is made up by using polypropylene resin through the processes of extrusion blow-moulding, unidirectional stretching and its advantages are high strength, light weight, resistance to moisture and corrosion and low cost. The manufacturing method of the PP winding rope for the submarine cable of CN201010230162.6 is different from the application of the polypropylene bundling rope, and cannot be used as bundling package. The polypropylene binding rope is not afraid of corrosion and moisture, has low cost, does not utilize agricultural resources and the like, and has wide prospect in the aspect of replacing traditional materials such as paper ropes and hemp ropes. 201910197541.0A low smoke halogen-free flame retardant polypropylene rope formula and its production process are disclosed. However, the polypropylene binding rope has the defects of easy burrs and poor strength in the production process, and the person skilled in the art needs to develop a production method of the polypropylene binding rope so as to meet the existing use requirements and performance requirements.
Disclosure of Invention
The invention aims at solving the existing problems and provides a production method of a polypropylene binding rope.
A method for producing a polypropylene strapping line, comprising the steps of: (1) mixing: adding the homopolymerized polypropylene activated calcium carbonate and the antioxidant into a high-speed mixer according to a certain proportion, and feeding the mixture to an extruder after uniform mixing; (2) extruding to form a film, spraying powder and drawing: extruding and blowing a film by an extruder, and performing hot stretching at 100-120 ℃ for 4-5 times to obtain a polypropylene film, wherein the surface of the polypropylene film is uniformly sprayed with hot melt adhesive powder to obtain a powder-sprayed polypropylene film; cutting, stretching and rolling: cutting the powder-spraying polypropylene film into narrow strips, heating the surfaces of the narrow strips to 120-140 ℃, stretching, twisting, and twisting by a shaft-twisting machine to obtain the aging-resistant polypropylene binding rope.
Further, the barrel temperature of the extruder in the step (2) is 160-180 ℃, 200-230 ℃, 250-270 ℃, the machine head is 240-250 ℃, the blowing ratio is 1.3-1.5, and the traction ratio is 10-15.
Further, the hot melt adhesive powder in the step (2) is polyethylene hot melt adhesive powder or polypropylene hot melt adhesive powder with the melting point of 200 meshes and the temperature of 120-140 ℃, and the dosage of the hot melt adhesive powder is 5-7% of the surface of the polypropylene film.
Further, the melt flow rate of the step (1) homopolymerized polypropylene at 230 ℃ under 2.16kg is 2.5-4.0 g/10min.
Further, the stretching multiple of the step (4) is 4-5 times, the stretching speed is about 90-100 m/min, the twisting range is 2-5 mm, and the spindle rotating speed is 800-900 rpm.
Further, the antioxidant in the step (1) is one or more of antioxidant 1010 or antioxidant 1076, and the weight ratio of the homo-polypropylene to the activated calcium carbonate to the antioxidant is 100:20-30:0.3-0.5.
Further, the melt flow rate of the step (1) homopolymerized polypropylene at 230 ℃ under 2.16kg is 2.5-4.0 g/10min. YHT300S or warm and PPH-XD-045 are preferred.
The invention has the beneficial effects that:
the invention discloses a production method of polypropylene binding ropes, which adopts the polypropylene film surface to evenly spray hot melt adhesive powder for wire drawing, heats and twists a shaft machine for stranding on the narrow strip surface, the binding ropes are clean and soft in hand feeling, have no sharp corners, burrs and sharp edges which can hurt human bodies, are evenly and neatly twisted, have no defects of broken ends, outcrop, wire shortage and the like, have the binding effect when in stranding, have good stranding effect, and have simple and convenient process, and the obtained polypropylene binding ropes have strong loading force, large tensile resistance and long storage time, can replace paper ropes, jute and palm ropes, can be used for weaving netting gear, hand basket, gunny bags and various ropes, and also can be used as frame strips in plastic greenhouses.
Detailed Description
The invention is illustrated, but not limited, by the following specific examples.
Example 1
Raw materials and equipment: the active calcium carbonate of Qingyang Fengteng is 1250 meshes; 2.16kg of a Western Pacific C30G homo-polypropylene having a melt flow rate of 4.0G/10min at 230 ℃; YF-SPJ135/30/2000 extrusion wire drawing machine screw diameter 135mm, length-diameter ratio 30; and contains antioxidant 1010. Lu Tong T102 twisting and shaft driving machine; new plasticizing PE200 hot melt adhesive powder.
The production method of the polypropylene binding rope comprises the following steps: (1) mixing: adding the homo-polypropylene active calcium carbonate and the antioxidant into a high-speed mixer according to a certain proportion, uniformly mixing, and feeding by an extruder, wherein the weight ratio of the homo-polypropylene to the active calcium carbonate to the antioxidant is 100:20:0.3; (2) extruding to form a film, spraying powder and drawing: extruding and blowing a film by an extruder, carrying out hot stretching at 100 ℃ and 4 times to obtain a polypropylene film, uniformly spraying hot melt adhesive powder on the surface of the polypropylene film to obtain a powder-spraying polypropylene film, wherein the barrel temperature of the extruder is 160 ℃, the temperature of the extruder is 200 ℃, the temperature of the extruder is 250 ℃, the head is 240 ℃, the blowing ratio is 1.3, the traction ratio is 10, the hot melt adhesive powder is polyethylene hot melt adhesive powder with the melting point of 120 meshes of 200, and the using amount of the hot melt adhesive powder is 5% of the surface of the polypropylene film; cutting, stretching and rolling: cutting the powder-spraying polypropylene film into narrow strips, heating the surfaces of the narrow strips to 120 ℃, stretching, twisting by a twisting and twisting machine, and stranding to obtain the aging-resistant polypropylene binding rope, wherein the stretching multiple is 4 times, the stretching speed is about 90m/min, the twisting range is 2mm, and the spindle rotating speed is 800rpm.
The product performance: the product is clean and soft in hand feeling, has no sharp corners, burrs and sharp edges which can hurt human bodies, and has the defects of uniform twisting, neatness, no loosening, no broken ends, outcrop, silk shortage and the like. The tensile strength was 3.7 g/denier, elongation was 35%, and denier was 4300.
Comparative example 1
In this comparative example, in contrast to example 1, the polypropylene film surface was not blown with the hot melt adhesive powder in step (2), i.e., the hot melt adhesive powder was not applied, and the remaining steps were the same as in example 1.
The product performance: the product is clean, soft in hand feeling, has sharp corners, burrs and sharp edges, is slightly loose in twisting, and has no defects of broken ends, outcrop, broken filaments and the like. Tensile strength 3.0 g/denier, elongation 40% and denier 4000.
Example 2
Raw materials and equipment: the excellent active calcium carbonate SP-200 of the Chang; 2.16kg of cis PPH-XD-045 homo-polypropylene with a melt flow rate of 2.5g/10min at 230 ℃; YF-SPJ135/30/2000 extrusion wire drawing machine screw diameter 135mm, length-diameter ratio 30; and contains antioxidant 1010. Lu Tong T152 twist-off machine.
The production method of the polypropylene binding rope comprises the following steps: (1) mixing: adding the homo-polypropylene active calcium carbonate and the antioxidant into a high-speed mixer according to a certain proportion, uniformly mixing, and feeding by an extruder, wherein the weight ratio of the homo-polypropylene to the active calcium carbonate to the antioxidant is 100:30:0.5; (2) extruding to form a film, spraying powder and drawing: extruding and blowing a film by an extruder, and carrying out 5 times hot stretching at 120 ℃ to obtain a polypropylene film, wherein the surface of the polypropylene film is uniformly sprayed with hot melt adhesive powder to obtain a powder-sprayed polypropylene film, the barrel temperature of the extruder is 180 ℃, 230 ℃, 270 ℃, the head is 250 ℃, the blowing ratio is 1.5, the traction ratio is 15, the hot melt adhesive powder is 140 ℃ nylon constant plastic polypropylene hot melt adhesive powder with the melting point of 200 meshes, and the consumption of the hot melt adhesive powder is 7% of the surface of the polypropylene film; cutting, stretching and rolling: cutting the powder-spraying polypropylene film into narrow strips, heating the surfaces of the narrow strips to 140 ℃, stretching, twisting by a twisting and twisting machine, and stranding to obtain the aging-resistant polypropylene binding rope, wherein the stretching multiple is 5 times, the stretching speed is 100m/min, the twisting range is 5mm, and the spindle rotating speed is 900rpm.
The product performance: the product is clean and soft in hand feeling, has no sharp corners, burrs and sharp edges which can hurt human bodies, and has the defects of uniform twisting, neatness, no loosening, no broken ends, outcrop, silk shortage and the like. Tensile strength 3.6 g/denier, elongation 40% and denier 4200.
Note that: refer to SG281-83 polypropylene strapping lines.
Claims (6)
1. The production method of the polypropylene binding rope is characterized by comprising the following steps of: (1) mixing: adding the homopolymerized polypropylene activated calcium carbonate and the antioxidant into a high-speed mixer according to a certain proportion, and feeding the mixture to an extruder after uniform mixing; (2) extruding to form a film, spraying powder and drawing: extruding and blowing a film by an extruder, and performing hot stretching at 100-120 ℃ for 4-5 times to obtain a polypropylene film, wherein the surface of the polypropylene film is uniformly sprayed with hot melt adhesive powder to obtain a powder-sprayed polypropylene film; cutting, stretching and rolling: cutting the powder-spraying polypropylene film into narrow strips, heating the surfaces of the narrow strips to 120-140 ℃, stretching, twisting by a shaft twisting machine, and stranding to obtain the aging-resistant polypropylene bundling rope.
2. The method of producing polypropylene strapping line according to claim 1, wherein the extruder barrel temperature of step (2) is 160-180 ℃, 200-230 ℃, 250-270 ℃, the head is 240-250 ℃, the blow-up ratio is 1.3-1.5, and the traction ratio is 10-15.
3. The method for producing polypropylene strapping lines according to claim 1, wherein the hot melt adhesive powder in the step (2) is polyethylene hot melt adhesive powder or polypropylene hot melt adhesive powder with a melting point of 200 meshes and a temperature of 120-140 ℃, and the amount of the hot melt adhesive powder is 5-7% of the surface of the polypropylene film.
4. The method of producing polypropylene strapping line according to claim 1, wherein the melt flow rate of the step (1) homo-polypropylene at 230 ℃ is 2.5-4.0 g/10min at 2.16 kg.
5. The method of producing polypropylene strapping line according to claim 1, wherein the stretching ratio of step (4) is 4 to 5 times, the stretching speed is about 90 to 100m/min, the twisting range is 2 to 5mm, and the spindle rotation speed is 800 to 900rpm.
6. The method for producing polypropylene strapping lines according to claim 1, wherein the antioxidant in the step (1) is one or more of antioxidant 1010 and antioxidant 1076, and the weight ratio of the homo-polypropylene to the activated calcium carbonate to the antioxidant is 100:20-30:0.3-0.5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311715687.2A CN117661345A (en) | 2023-12-14 | 2023-12-14 | Production method of polypropylene binding rope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311715687.2A CN117661345A (en) | 2023-12-14 | 2023-12-14 | Production method of polypropylene binding rope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117661345A true CN117661345A (en) | 2024-03-08 |
Family
ID=90071228
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311715687.2A Pending CN117661345A (en) | 2023-12-14 | 2023-12-14 | Production method of polypropylene binding rope |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117661345A (en) |
-
2023
- 2023-12-14 CN CN202311715687.2A patent/CN117661345A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US5342687A (en) | Coreless twist-ties | |
| JP4476420B2 (en) | Fiber reinforced thermoplastic resin pellets and process for producing the same | |
| CN104313712B (en) | Preparation method for paper-plastic composite bag | |
| AU2010271499B2 (en) | Extrusion coated non-twisted yarn | |
| CN104194126A (en) | Preparation method of plastic woven bag | |
| CN105862152A (en) | Production method for high-speed spinning low-stretching high-modulus low-shrinkage polyester industrial filaments | |
| CN101041908A (en) | Preparation method of polyamide abrasion-proof fishing monofilament yarn | |
| CN105131424A (en) | Preparation method for plastic woven bag enhanced and modified by using hollow structure | |
| CN108948487A (en) | A kind of long fibre or continuous fiber orientation enhancing thermoplastic polymer composite material and preparation method thereof | |
| CN104311958A (en) | Carbon-plastic composite modified geogrid and preparation method thereof | |
| CN101929086B (en) | Production method of PP (Polypropylene) winding rope for submarine cable | |
| CN117661345A (en) | Production method of polypropylene binding rope | |
| CN107718813B (en) | A kind of high-performance fiber base all-polymer composite board and preparation method thereof | |
| CN108192210A (en) | A kind of production technology of high performance plastics woven bag | |
| CN1099772A (en) | Flat wire grade reinforce composite plastics and preparing method thereof | |
| CN104782593A (en) | Wear-resisting and aging-resisting fishing net | |
| CN107541972A (en) | A kind of wear-resisting foaming rope and preparation method | |
| JP2004308048A (en) | Method for producing braid | |
| CN106003769B (en) | A kind of preparation method of greenhouse film-pressing strip | |
| JPS5964335A (en) | Reinforced polymer product | |
| CN103436975A (en) | Raw material for fishery rope fibers | |
| JP2004308047A (en) | Filament yarn including glass fiber | |
| JP2002060502A (en) | Fiber-reinforced thermoplastic resin pellet and method for producing the same | |
| CN101580984B (en) | Method for processing high-performance polyethylene twisting threads for waving netting or binding a steel rope | |
| CN101289815A (en) | Processing technology of rubber and cable gasket for packing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |