CN104893098A - Polypropylene meshy filling rope for cable and preparation method thereof - Google Patents
Polypropylene meshy filling rope for cable and preparation method thereof Download PDFInfo
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- CN104893098A CN104893098A CN201510276271.4A CN201510276271A CN104893098A CN 104893098 A CN104893098 A CN 104893098A CN 201510276271 A CN201510276271 A CN 201510276271A CN 104893098 A CN104893098 A CN 104893098A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
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- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/20—Compounding polymers with additives, e.g. colouring
- C08J3/22—Compounding polymers with additives, e.g. colouring using masterbatch techniques
- C08J3/226—Compounding polymers with additives, e.g. colouring using masterbatch techniques using a polymer as a carrier
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/1895—Internal space filling-up means
-
- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/9258—Velocity
-
- 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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/10—Homopolymers or copolymers of propene
- C08J2323/12—Polypropene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2423/10—Homopolymers or copolymers of propene
- C08J2423/12—Polypropene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
- C08L2203/202—Applications use in electrical or conductive gadgets use in electrical wires or wirecoating
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention provides a polypropylene meshy filling rope for a cable, and relates to the technical field of cable materials. The raw material of the polypropylene meshy filling rope for the cable comprises polypropylene and a filling master batch, wherein the filling master batch comprises 450-mesh calcium carbonate powder, polypropylene, a coupling agent, stearic acid, paraffin wax, a defoaming agent, an antioxidant, a whitening agent, a colloidal tensile agent and polyethylene, and the colloidal tensile agent is the mixture of polystyrene, polyalcohol and a silicic acid colloid; the filling master batch is extruded by a double-screw extruder; then the polypropylene and the filling master batch are mixed in a ratio of 1: 5 and then mixed and plasticized through a single-screw extruder, shaped into a thin film through a die head from a discharge port, and then stretched, subjected to mesh opening through a needle-cylinder mesh opening machine, and wound through a winding machine. The polypropylene meshy filling rope for the cable provided by the invention is low in permeability, low in water absorptivity, good in flexibility, anti-corrosive, 35-46% higher than common filling ropes in the market in tensile strength, soft and not liable to break, longer in service life, high in production efficiency, and high in raw material utilization rate.
Description
Technical field
The present invention relates to cable material technical field, particularly relate to a kind of cable polypropylene mesh gasket for packing and preparation method thereof.
Background technology
In recent years, along with the development of China's manufacturing industry, especially the development of space flight and aviation, boats and ships, coal oil industry, require more and more higher to these high-tech equipment controls, therefore also increasing to corresponding cabling requirements, the manufacture of electric wire and the mode of production of most of electronic product are diverse.Electronic product usually adopts and another part is assembled into parts, multiple parts refill and are made into separate unit product, and product is with number of units or number of packages metering.Electric wire is basic measure unit with length.All electric wires are all from conductor processing, add insulation, shielding, stranding, sheath etc. layer by layer and make electric wire product in the periphery of conductor.Product structure is more complicated, and the level of superposition is more.
Current cable internal structure usually needs netted gasket for packing to fill, and improves pull resistance and the snappiness of cable, because gasket for packing cost is low, and also can as a kind of replacement layer of some structure of cable.
The invention provides a kind of cable polypropylene mesh gasket for packing, cost is low, have that perviousness is little, water-absorbent is low, snappiness is relatively good, and corrosion-resistant, fire prevention, than the tensile strength height 35-46% of the general gasket for packing on market, softness is easy fracture not, work-ing life can be longer, and production efficiency is high, and raw material availability is high.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of cable polypropylene mesh gasket for packing, has better snappiness, and corrosion-resistant, fire prevention, and tensile strength is higher.
For solving the problems of the technologies described above, the invention provides a kind of cable polypropylene mesh gasket for packing, raw material comprises polypropylene and filling master batch;
Described filling master batch comprises 450 object Paris whites and polypropylene, coupling agent, stearic acid, paraffin, defoamer, antioxidant, whitening agent, gluey tension agent and polyethylene, and described gluey tension agent is the mixture of polystyrene, polyvalent alcohol and siliceous colloid; Filling master batch be after twin screw extruder is warming up to 165 DEG C by 30-50 turn/feeder of min feeds in raw material, then the rotating speed controlling twin screw extruder be 280-320 turn/min extrudes and forms;
Then single screw extrusion machine is warming up to 160-165 DEG C, polypropylene and filling master batch are mixed according to the hopper adding single screw extrusion machine after the ratio uniform mixing of 1:5, plastify, out wide 500mm is fixed to through discharge port die head afterwards from discharge port, the film of thick 1mm, be the water tank cooling back draft film into strips of 100-120 DEG C again through water temperature, open net through syringe multilayer net-opening machine again, winder rolling forms.
Further, the raw materials quality that described filling master batch comprises is respectively: 450 object Paris white 90-120 parts, polypropylene 15-20 part, coupling agent 0.8-1.5 part, stearic acid 1-1.5 part, paraffin 3.5-4 part, defoamer 3-4 part, antioxidant 0.008-0.012 part, whitening agent 0.008-0.012 part, gluey tension agent 0.2-0.4 part and polyethylene 2-5 part.
Further, the raw materials quality that described filling master batch comprises is respectively: 450 object Paris white 100-110 parts, polypropylene 16-18 part, coupling agent 0.9-1.2 part, stearic acid 1.2-1.3 part, paraffin 3.6-3.8 part, defoamer 3.2-3.8 part, antioxidant 0.009-0.01 part, whitening agent 0.009-0.01 part, gluey tension agent 0.3-0.36 part and polyethylene 3-4 part.
Further, the raw materials quality that described filling master batch comprises is respectively: 450 object Paris whites 105 parts, polypropylene 17 parts, coupling agent 1 part, stearic acid 1.2 parts, 3.7 parts, paraffin, defoamer 3.5 parts, antioxidant 0.01 part, 0.01 part, whitening agent, gluey tension agent 0.35 part and polyethylene 3.5 parts.
A preparation method for cable polypropylene mesh gasket for packing, comprising:
The first step, prepare described filling master batch, 450 object Paris whites of aforementioned proportion, polypropylene, coupling agent, stearic acid, paraffin, defoamer, antioxidant, whitening agent, gluey tension agent and polyethylene Homogeneous phase mixing are obtained compound, then twin screw extruder is warming up to 165 DEG C, by compound by rotating speed be 30-50 turn/feeder of min sends into the hopper of twin screw extruder, the rotating speed controlling twin screw extruder is that 280-320 turns/min, extrudes and obtains filling master batch;
Second step, is warming up to 160-165 DEG C single screw extrusion machine, polypropylene and filling master batch is mixed according to the hopper adding single screw extrusion machine after the ratio uniform mixing of 1:5, plastifies 15-30min, then extrude from discharge port;
3rd step, the material extruded becomes wide 500mm, the film of thick 1mm through the sizing of discharge port die head, then is the water tank cooling back draft film into strips of 100-120 DEG C through water temperature;
4th step, strip form film opens net through syringe multilayer net-opening machine again, winder rolling and reticulate gasket for packing.
Beneficial effect of the present invention:
A kind of cable polypropylene mesh gasket for packing provided by the invention and preparation method thereof, make that this gasket for packing perviousness is little, water-absorbent is low, stretch-proof, snappiness is relatively good, corrosion-resistant, than the tensile strength height 35-46% of the general gasket for packing on market, softness is easy fracture not, and under identical working conditions, work-ing life can increase by 2 years, and production efficiency is high, raw material availability is high.
Embodiment
The invention provides a kind of cable polypropylene mesh gasket for packing, raw material comprises polypropylene and filling master batch;
Described filling master batch comprises 450 object Paris whites and polypropylene, coupling agent, stearic acid, paraffin, defoamer, antioxidant, whitening agent, gluey tension agent and polyethylene, filling master batch be after twin screw extruder is warming up to 165 DEG C by 30-50 turn/feeder of min feeds in raw material, then the rotating speed controlling twin screw extruder be 280-320 turn/min extrudes and forms; Described gluey tension agent is the mixture of polystyrene, polyvalent alcohol and siliceous colloid, and colloidal particle is ceaselessly doing pedesis, easily reaches identical with action of gravity, forms the state of sedimentation equilibrium, ensures the stability of gasket for packing; The blending ratio generally can choosing polystyrene, polyvalent alcohol and siliceous colloid is 7:4:1.
Then single screw extrusion machine is warming up to 160-165 DEG C, polypropylene and filling master batch are mixed according to the hopper adding single screw extrusion machine after the ratio uniform mixing of 1:5, plastify, out wide 500mm is fixed to through discharge port die head afterwards from discharge port, the film of thick 1mm, be the water tank cooling back draft film into strips of 100-120 DEG C again through water temperature, open net through syringe multilayer net-opening machine again, winder rolling forms.This gasket for packing perviousness is little, water-absorbent is low, stretch-proof, and snappiness is relatively good, corrosion-resistant, fire-proof high-temperature resistant, and than the tensile strength height 35-46% of the general gasket for packing on market, softness is easy fracture not, and under identical working conditions, work-ing life can increase by 2 years.
Further, the raw materials quality that described filling master batch comprises is respectively: 450 object Paris white 90-120 parts, polypropylene 15-20 part, coupling agent 0.8-1.5 part, stearic acid 1-1.5 part, paraffin 3.5-4 part, defoamer 3-4 part, antioxidant 0.008-0.012 part, whitening agent 0.008-0.012 part, gluey tension agent 0.2-0.4 part and polyethylene 2-5 part.
Further, the raw materials quality that described filling master batch comprises is respectively: 450 object Paris white 100-110 parts, polypropylene 16-18 part, coupling agent 0.9-1.2 part, stearic acid 1.2-1.3 part, paraffin 3.6-3.8 part, defoamer 3.2-3.8 part, antioxidant 0.009-0.01 part, whitening agent 0.009-0.01 part, gluey tension agent 0.3-0.36 part and polyethylene 3-4 part.
Further, the raw materials quality that described filling master batch comprises is respectively: 450 object Paris whites 105 parts, polypropylene 17 parts, coupling agent 1 part, stearic acid 1.2 parts, 3.7 parts, paraffin, defoamer 3.5 parts, antioxidant 0.01 part, 0.01 part, whitening agent, gluey tension agent 0.35 part and polyethylene 3.5 parts.
A preparation method for cable polypropylene mesh gasket for packing, comprising:
The first step, prepare described filling master batch, 450 object Paris whites of aforementioned proportion, polypropylene, coupling agent, stearic acid, paraffin, defoamer, antioxidant, whitening agent, gluey tension agent and polyethylene Homogeneous phase mixing are obtained compound, then twin screw extruder is warming up to 165 DEG C, by compound by rotating speed be 30-50 turn/feeder of min sends into the hopper of twin screw extruder, the rotating speed controlling twin screw extruder is that 280-320 turns/min, extrudes and obtains filling master batch;
Second step, is warming up to 160-165 DEG C single screw extrusion machine, polypropylene and filling master batch is mixed according to the hopper adding single screw extrusion machine after the ratio uniform mixing of 1:5, plastifies 15-30min, then extrude from discharge port; The control of technical parameter through this feature is produced, and the snappiness of product, tensile strength and erosion resistance all have a distinct increment;
3rd step, the material extruded becomes wide 500mm, the film of thick 1mm through the sizing of discharge port die head, then is the water tank cooling back draft film into strips of 100-120 DEG C through water temperature; Can ensure in production process, strip form film is easy fracture not, and production efficiency is higher, and raw material availability is higher;
4th step, strip form film opens net through syringe multilayer net-opening machine again, winder rolling and reticulate gasket for packing.
All above-mentioned this intellecture properties of primary enforcement, not setting restriction this product innovation of other forms of enforcement and/or novel method.Those skilled in the art will utilize this important information, and foregoing is revised, to realize similar implementation status.But all modifications or transformation belong to the right of reservation based on product innovation of the present invention.The above is only preferred embodiment of the present invention, and be not restriction the present invention being made to other form, any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as the Equivalent embodiments of equivalent variations.But everyly do not depart from technical solution of the present invention content, any simple modification, equivalent variations and the remodeling done above embodiment according to technical spirit of the present invention, still belong to the protection domain of technical solution of the present invention.
Claims (5)
1. a cable polypropylene mesh gasket for packing, is characterized in that: raw material comprises polypropylene and filling master batch;
Described filling master batch comprises 450 object Paris whites and polypropylene, coupling agent, stearic acid, paraffin, defoamer, antioxidant, whitening agent, gluey tension agent and polyethylene, and described gluey tension agent is the mixture of polystyrene, polyvalent alcohol and siliceous colloid; Filling master batch be after twin screw extruder is warming up to 165 DEG C by 30-50 turn/feeder of min feeds in raw material, then the rotating speed controlling twin screw extruder be 280-320 turn/min extrudes and forms;
Then single screw extrusion machine is warming up to 160-165 DEG C, polypropylene and filling master batch are mixed according to the hopper adding single screw extrusion machine after the ratio uniform mixing of 1:5, plastify, out wide 500mm is fixed to through discharge port die head afterwards from discharge port, the film of thick 1mm, be the water tank cooling back draft film into strips of 100-120 DEG C again through water temperature, open net through syringe multilayer net-opening machine again, winder rolling forms.
2. a kind of cable polypropylene mesh gasket for packing as claimed in claim 1, it is characterized in that: the raw materials quality that described filling master batch comprises is respectively: 450 object Paris white 90-120 parts, polypropylene 15-20 part, coupling agent 0.8-1.5 part, stearic acid 1-1.5 part, paraffin 3.5-4 part, defoamer 3-4 part, antioxidant 0.008-0.012 part, whitening agent 0.008-0.012 part, gluey tension agent 0.2-0.4 part and polyethylene 2-5 part.
3. a kind of cable polypropylene mesh gasket for packing as claimed in claim 2, it is characterized in that: the raw materials quality that described filling master batch comprises is respectively: 450 object Paris white 100-110 parts, polypropylene 16-18 part, coupling agent 0.9-1.2 part, stearic acid 1.2-1.3 part, paraffin 3.6-3.8 part, defoamer 3.2-3.8 part, antioxidant 0.009-0.01 part, whitening agent 0.009-0.01 part, gluey tension agent 0.3-0.36 part and polyethylene 3-4 part.
4. a kind of cable polypropylene mesh gasket for packing as claimed in claim 2, it is characterized in that: the raw materials quality that described filling master batch comprises is respectively: 450 object Paris whites 105 parts, polypropylene 17 parts, coupling agent 1 part, stearic acid 1.2 parts, 3.7 parts, paraffin, defoamer 3.5 parts, antioxidant 0.01 part, 0.01 part, whitening agent, gluey tension agent 0.35 part and polyethylene 3.5 parts.
5., as any cable of Claims 1-4 preparation method of polypropylene mesh gasket for packing, it is characterized in that, comprising:
The first step, prepare described filling master batch, 450 object Paris whites of aforementioned proportion, polypropylene, coupling agent, stearic acid, paraffin, defoamer, antioxidant, whitening agent, gluey tension agent and polyethylene Homogeneous phase mixing are obtained compound, then twin screw extruder is warming up to 165 DEG C, by compound by rotating speed be 30-50 turn/feeder of min sends into the hopper of twin screw extruder, the rotating speed controlling twin screw extruder is that 280-320 turns/min, extrudes and obtains filling master batch;
Second step, is warming up to 160-165 DEG C single screw extrusion machine, polypropylene and filling master batch is mixed according to the hopper adding single screw extrusion machine after the ratio uniform mixing of 1:5, plastifies 15-30min, then extrude from discharge port;
3rd step, the material extruded becomes wide 500mm, the film of thick 1mm through the sizing of discharge port die head, then is the water tank cooling back draft film into strips of 100-120 DEG C through water temperature;
4th step, strip form film opens net through syringe multilayer net-opening machine again, winder rolling and reticulate gasket for packing.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510276271.4A CN104893098A (en) | 2015-05-27 | 2015-05-27 | Polypropylene meshy filling rope for cable and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510276271.4A CN104893098A (en) | 2015-05-27 | 2015-05-27 | Polypropylene meshy filling rope for cable and preparation method thereof |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105970316A (en) * | 2016-06-29 | 2016-09-28 | 马海燕 | Net-shaped filament and production method thereof |
| CN106883515A (en) * | 2017-04-07 | 2017-06-23 | 中山市华子电缆有限公司 | A kind of polypropylene gasket for packing and preparation method thereof |
| CN107082948A (en) * | 2017-04-07 | 2017-08-22 | 中山市华子电缆有限公司 | A kind of enhanced PP gasket for packings of polyethylene |
| CN107134317A (en) * | 2017-04-07 | 2017-09-05 | 中山市华子电缆有限公司 | A kind of flame retardant type gasket for packing |
| CN107163392A (en) * | 2017-06-23 | 2017-09-15 | 杨四 | A kind of optical cable filling rope particle and preparation method thereof |
| CN108299801A (en) * | 2017-11-28 | 2018-07-20 | 安徽国华电缆集团有限公司 | A kind of anti-extrusion cable filling rope of low cigarette environmental protection |
| CN108410059A (en) * | 2018-01-31 | 2018-08-17 | 广东金发科技有限公司 | A kind of optical cable polypropylene filling rope PP Pipe Compound and preparation method thereof |
| CN108456362A (en) * | 2018-03-01 | 2018-08-28 | 江苏中天科技股份有限公司 | A kind of netted gasket for packing of PP and preparation method |
| CN110029513A (en) * | 2019-04-18 | 2019-07-19 | 宝应县科达电缆料有限公司 | A kind of preparation method of the wire and cable netted gasket for packing of PP |
| CN110183776A (en) * | 2019-05-15 | 2019-08-30 | 广西纵览线缆集团有限公司 | A kind of novel oxidation-resistant gasket for packing and preparation method thereof |
| CN113621202A (en) * | 2021-07-08 | 2021-11-09 | 无锡市恒龙电缆材料有限公司 | Anti-oxidation filling rope |
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Application publication date: 20150909 |