CN112480512A - Low-smoke halogen-free cable material with rat plague prevention function and preparation process thereof - Google Patents
Low-smoke halogen-free cable material with rat plague prevention function and preparation process thereof Download PDFInfo
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
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- B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
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- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
- H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
- H01B3/44—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/38—Boron-containing compounds
- C08K2003/387—Borates
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- C08L2201/00—Properties
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- C08L2203/00—Applications
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- C08L2203/202—Applications use in electrical or conductive gadgets use in electrical wires or wirecoating
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Abstract
The invention discloses a low-smoke halogen-free cable material with a rat plague prevention function and a preparation process thereof, wherein the preparation process comprises the following steps: 20-40 parts of EVA material, 20-30 parts of ethylene-octene copolymer, 80-90 parts of polyethylene resin, 10-12 parts of magnesium hydroxide, 80-90 parts of aluminum hydroxide, 1-2 parts of dispersing agent, 8-12 parts of antioxidant, 3-5 parts of color master batch, 5-8 parts of silane, 6-8 parts of smoke suppressor, 5-6 parts of hydrolysis resistant agent, 8-10 parts of flame retardant, 9-10 parts of filler, 8-10 parts of stabilizer, 9-10 parts of tetramethylene disulfone tetramine and 3-5 parts of hydrated zinc borate. The low-smoke halogen-free cable material with the rat epidemic prevention function and the preparation process thereof have the advantages of simple manufacturing process, low cost, high extrusion speed, short process flow, high production benefit, environmental friendliness and suitability for large-scale industrial production, and the addition of the tetramethylene disulfone tetramine in the formula can poison rats after being bitten by the rats and reduce the further damage of the rats to the low-smoke halogen-free cable material.
Description
Technical Field
The invention relates to the technical field of halogen-free cable materials, in particular to a low-smoke halogen-free cable material with a rat plague prevention function and a preparation process thereof.
Background
Cable material production enterprises take cable production enterprises as users, wires and cables are under load current, the temperature of the cables is high, and at this time, fire disasters are easily caused, so that general cable materials all require flame retardance and thermal conductivity; the traditional low-smoke halogen-free cable material has the disadvantages of complex manufacturing process, higher cost and poor quality, and is easy to be damaged by being bitten by rats when in use.
Disclosure of Invention
The invention mainly aims to provide a low-smoke halogen-free cable material with a rat epidemic prevention function and a preparation process thereof, which can effectively solve the problems in the background art.
In order to achieve the purpose, the invention adopts the technical scheme that:
a low smoke and zero halogen cable material with a rat defense function comprises: 20-40 parts of EVA material, 20-30 parts of ethylene-octene copolymer, 80-90 parts of polyethylene resin, 10-12 parts of magnesium hydroxide, 80-90 parts of aluminum hydroxide, 1-2 parts of dispersing agent, 8-12 parts of antioxidant, 3-5 parts of color master batch, 5-8 parts of silane, 6-8 parts of smoke suppressor, 5-6 parts of hydrolysis resistant agent, 8-10 parts of flame retardant, 9-10 parts of filler, 8-10 parts of stabilizer, 9-10 parts of tetramethylene disulfone tetramine and 3-5 parts of hydrated zinc borate.
Preferably, the material is prepared from the following raw materials in percentage by mass: 40 parts of EVA material, 30 parts of ethylene-octene copolymer, 90 parts of polyethylene resin, 12 parts of magnesium hydroxide, 90 parts of aluminum hydroxide, 2 parts of dispersing agent, 12 parts of antioxidant, 3 parts of color master batch, 5 parts of silane, 8 parts of smoke suppressor, 5 parts of hydrolysis resistant agent, 10 parts of flame retardant, 10 parts of filler, 8 parts of stabilizer, 10 parts of tetramethylene disulfone tetramine and 3 parts of hydrated zinc borate.
A preparation method of a low-smoke halogen-free cable material with a rat plague prevention function comprises the following steps:
s1, weighing EVA material, ethylene-octene copolymer, polyethylene resin, magnesium hydroxide, aluminum hydroxide, dispersant, antioxidant, color master batch, silane, smoke suppressor, anti-hydrolysis agent, flame retardant, filler, stabilizer, tetramethylene disulfone tetramine and hydrated zinc borate in set parts;
s2, mixing materials by a mixer, namely mixing an EVA material, an ethylene-octene copolymer, polyethylene resin, magnesium hydroxide, aluminum hydroxide, a dispersing agent, an antioxidant, color master batch, silane, a smoke suppressor, an anti-hydrolysis agent, a flame retardant, a filling agent, a stabilizer, tetramethylenedisulfone tetramine and hydrated zinc borate at a high speed for 0.5-1 hour, and heating at 60-80 ℃;
s3, banburying in an internal mixer, adding the mixture into the internal mixer through a feeder, and further heating for 0.3-0.5 min at the heating temperature of 100-130 ℃;
s4, double-wrist feeding or conical double feeding, and pouring the mixture into a feeding machine when the mixture is hot after the mixture is plasticized into a dough;
s5, extruding materials by using a single-screw extruder, and uniformly feeding the materials into the single-screw extruder by using a feeder to extrude the materials;
s6, hot cutting the air-cooled die surface, cutting the plasticized and extruded raw materials by a cutting machine, and granulating to prepare finished particles;
s7, lengthening the air-cooled vibrating screen, and cooling and conveying the cut finished product through the air-cooled vibrating screen;
and S8, vacuum packaging, and storing the finished product particles by adopting vacuum packaging.
Preferably, in the step S2, the EVA material, the ethylene-octene copolymer, the polyethylene resin, the magnesium hydroxide, the aluminum hydroxide, the dispersant, the antioxidant, the color masterbatch, the silane, the smoke suppressor, the hydrolysis resistant agent, the flame retardant, the filler, the stabilizer, the tetramethylene disulfone tetramine, and the hydrated zinc borate are added into a mixer to be mixed and heated for the first time, and are fully stirred, the heating time is 0.5 hour, and the heating temperature is 60 ℃.
Preferably, in the step S3, after the mixture in the mixer is processed, the mixture is fed into an internal mixer through a feeder to be heated for a second time, the heating time of the internal mixer is 0.5 hour, and the heating temperature in the internal mixer is 130 ℃.
Preferably, in step S4, after the mixture in the internal mixer is processed, the mixture is uniformly fed into the single-screw extruder through the double-arm feeder for extrusion, and the mixture is mixed again during feeding, so that the quality of the mixed material is guaranteed.
Preferably, in step S5, the temperature of each section of the extruder is controlled at 200 ℃, the mixture is plasticized and extruded by the extruder, the extruder screw is a dedicated halogen-free screw, for the extrusion of the halogen-free cable material, the die for insulation extrusion should be an extrusion die, and the die for jacket extrusion should be a semi-extrusion die, so that the tensile strength, elongation and surface smoothness of the material can be sufficiently ensured.
Preferably, in step S6, the strand-shaped product plasticized and extruded by the extruder is cut into granules by a cutter, so as to facilitate transportation and storage.
Preferably, in step S7, the cut finished product is cooled and conveyed through an air-cooled vibrating screen, and a detector is used to detect various indexes of the sample during the conveying process.
Preferably, in step S8, the finished granules are vacuum-packed by using a granule single hopper packing machine.
Compared with the prior art, the invention has the following beneficial effects: the raw materials are subjected to weighing, mixing by a mixer, banburying by an internal mixer, double-wrist feeding or conical double feeding, extrusion by a single-screw extruder, hot cutting of an air-cooled die surface, lengthening of an air-cooled vibrating screen and vacuum packaging to finally obtain a finished product.
Drawings
FIG. 1 is a schematic view of a low-smoke halogen-free cable material with an anti-plague function and a process flow of a preparation process thereof.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
A low smoke and zero halogen cable material with a rat defense function comprises: 20-40 parts of EVA material, 20-30 parts of ethylene-octene copolymer, 80-90 parts of polyethylene resin, 10-12 parts of magnesium hydroxide, 80-90 parts of aluminum hydroxide, 1-2 parts of dispersing agent, 8-12 parts of antioxidant, 3-5 parts of color master batch, 5-8 parts of silane, 6-8 parts of smoke suppressor, 5-6 parts of hydrolysis resistant agent, 8-10 parts of flame retardant, 9-10 parts of filler, 8-10 parts of stabilizer, 9-10 parts of tetramethylene disulfone tetramine and 3-5 parts of hydrated zinc borate;
the material is prepared from the following raw materials in percentage by mass: 40 parts of EVA material, 30 parts of ethylene-octene copolymer, 90 parts of polyethylene resin, 12 parts of magnesium hydroxide, 90 parts of aluminum hydroxide, 2 parts of dispersing agent, 12 parts of antioxidant, 3 parts of color master batch, 5 parts of silane, 8 parts of smoke suppressor, 5 parts of hydrolysis resistant agent, 10 parts of flame retardant, 10 parts of filler, 8 parts of stabilizer, 10 parts of tetramethylene disulfone tetramine and 3 parts of hydrated zinc borate.
As shown in fig. 1, a preparation method of a low-smoke halogen-free cable material with a rat-proof function comprises the following steps:
s1, weighing EVA material, ethylene-octene copolymer, polyethylene resin, magnesium hydroxide, aluminum hydroxide, dispersant, antioxidant, color master batch, silane, smoke suppressor, anti-hydrolysis agent, flame retardant, filler, stabilizer, tetramethylene disulfone tetramine and hydrated zinc borate in set parts;
s2, mixing materials by a mixer, namely mixing an EVA material, an ethylene-octene copolymer, polyethylene resin, magnesium hydroxide, aluminum hydroxide, a dispersing agent, an antioxidant, color master batch, silane, a smoke suppressor, an anti-hydrolysis agent, a flame retardant, a filling agent, a stabilizer, tetramethylenedisulfone tetramine and hydrated zinc borate at a high speed for 0.5-1 hour, and heating at 60-80 ℃;
s3, banburying in an internal mixer, adding the mixture into the internal mixer through a feeder, and further heating for 0.3-0.5 min at the heating temperature of 100-130 ℃;
s4, double-wrist feeding or conical double feeding, and pouring the mixture into a feeding machine when the mixture is hot after the mixture is plasticized into a dough;
s5, extruding materials by using a single-screw extruder, and uniformly feeding the materials into the single-screw extruder by using a feeder to extrude the materials;
s6, hot cutting the air-cooled die surface, cutting the plasticized and extruded raw materials by a cutting machine, and granulating to prepare finished particles;
s7, lengthening the air-cooled vibrating screen, and cooling and conveying the cut finished product through the air-cooled vibrating screen;
and S8, vacuum packaging, and storing the finished product particles by adopting vacuum packaging.
In step S2, adding an EVA material, an ethylene-octene copolymer, polyethylene resin, magnesium hydroxide, aluminum hydroxide, a dispersing agent, an antioxidant, color masterbatch, silane, a smoke suppressor, an anti-hydrolysis agent, a flame retardant, a filler, a stabilizer, tetramethylenedisulfone tetramine and hydrated zinc borate into a mixer for primary mixing and heating, and fully stirring, wherein the heating time is 0.5 hour, and the heating temperature is 60 ℃; in step S3, after the mixture in the mixer is processed, the mixture is fed into an internal mixer through a feeder to be heated for the second time, the heating time of the internal mixer is 0.5 hour, and the heating temperature in the internal mixer is 130 ℃; in step S4, after the mixture in the internal mixer is processed, the mixture is uniformly fed into a single-screw extruder through a double-wrist feeding machine for extrusion, the material is mixed again when the material is fed, and the quality of the mixed material is guaranteed; in the step S5, the temperature of each section of the extruder is controlled at 200 ℃, the mixture is plasticized and extruded by the extruder, the extruder screw is a special halogen-free material screw, the die for insulating and extruding the halogen-free material cable material is extruded by a semi-extrusion die, and the tensile strength, the elongation and the surface smoothness of the material can be fully ensured; in the step S6, cutting the strip-shaped finished product plasticized and extruded by the extruder into granules through a cutting machine, so that the transportation and the storage are convenient; in the step S7, cooling and conveying the cut finished product through an air-cooled vibrating screen, and detecting each index of the sample by using a detector in the conveying process; in step S8, the finished pellets are vacuum packed using a pellet single hopper packing machine.
The invention is a low smoke halogen-free cable material with the function of preventing rat plague and a preparation process thereof, when in processing, the prepared materials are 40 parts of EVA material, 30 parts of ethylene-octene copolymer, 90 parts of polyethylene resin, 12 parts of magnesium hydroxide, 90 parts of aluminum hydroxide, 2 parts of dispersant, 12 parts of antioxidant, 3 parts of color master batch, 5 parts of silane, 8 parts of smoke suppressor, 5 parts of anti-hydrolysis agent, 10 parts of flame retardant, 10 parts of filler, 8 parts of stabilizer, 10 parts of tetramethylenedisulfone tetramine and 3 parts of hydrated zinc borate, the materials are added into a mixer for high-speed mixing and fully stirred, the heating time is 0.5 hour and the heating temperature is 60 ℃, then the mixture is fed into an internal mixer through a feeding machine for secondary heating, the heating time is 0.5 hour, the heating temperature in the internal mixer is 130 ℃, after the mixture in the internal mixer is processed, the mixture is uniformly fed into a single screw extruder for extrusion through a double-wrist feeding machine, the material is mixed again when the material is fed, the quality of the mixed material is guaranteed, during extrusion, the temperature of each section of the extruder is controlled to be 200 ℃, the mixture is plasticized and extruded through the extruder, the extruder screw is a special halogen-free screw, for the extrusion of halogen-free cable materials, an extrusion type is selected for an insulation extrusion die, a semi-extrusion type is selected for a jacket extrusion process, so that the tensile strength, the elongation and the surface smoothness of the material can be fully guaranteed, during cutting, a strip-shaped finished product plasticized and extruded by the extruder is cut into granules through a cutting machine, transportation and storage are facilitated, then the cut finished product is cooled and conveyed through an air-cooled vibrating screen, a detector is used for detecting various indexes of a sample during conveying, and finally, a granule single-hopper packaging machine is used for carrying out vacuum packaging on the finished product granules.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (10)
1. The utility model provides a low smoke and zero halogen cable material with protection against rodents epidemic disease function which characterized in that includes: 20-40 parts of EVA material, 20-30 parts of ethylene-octene copolymer, 80-90 parts of polyethylene resin, 10-12 parts of magnesium hydroxide, 80-90 parts of aluminum hydroxide, 1-2 parts of dispersing agent, 8-12 parts of antioxidant, 3-5 parts of color master batch, 5-8 parts of silane, 6-8 parts of smoke suppressor, 5-6 parts of hydrolysis resistant agent, 8-10 parts of flame retardant, 9-10 parts of filler, 8-10 parts of stabilizer, 9-10 parts of tetramethylene disulfone tetramine and 3-5 parts of hydrated zinc borate.
2. The low-smoke halogen-free cable material with the rat-proof function according to claim 1, characterized in that: the material is prepared from the following raw materials in percentage by mass: 40 parts of EVA material, 30 parts of ethylene-octene copolymer, 90 parts of polyethylene resin, 12 parts of magnesium hydroxide, 90 parts of aluminum hydroxide, 2 parts of dispersing agent, 12 parts of antioxidant, 3 parts of color master batch, 5 parts of silane, 8 parts of smoke suppressor, 5 parts of hydrolysis resistant agent, 10 parts of flame retardant, 10 parts of filler, 8 parts of stabilizer, 10 parts of tetramethylene disulfone tetramine and 3 parts of hydrated zinc borate.
3. A preparation method of a low-smoke halogen-free cable material with a rat plague prevention function is characterized by comprising the following steps:
s1, weighing EVA material, ethylene-octene copolymer, polyethylene resin, magnesium hydroxide, aluminum hydroxide, dispersant, antioxidant, color master batch, silane, smoke suppressor, anti-hydrolysis agent, flame retardant, filler, stabilizer, tetramethylene disulfone tetramine and hydrated zinc borate in set parts;
s2, mixing materials by a mixer, namely mixing an EVA material, an ethylene-octene copolymer, polyethylene resin, magnesium hydroxide, aluminum hydroxide, a dispersing agent, an antioxidant, color master batch, silane, a smoke suppressor, an anti-hydrolysis agent, a flame retardant, a filling agent, a stabilizer, tetramethylenedisulfone tetramine and hydrated zinc borate at a high speed for 0.5-1 hour, and heating at 60-80 ℃;
s3, banburying in an internal mixer, adding the mixture into the internal mixer through a feeder, and further heating for 0.3-0.5 min at the heating temperature of 100-130 ℃;
s4, double-wrist feeding or conical double feeding, and pouring the mixture into a feeding machine when the mixture is hot after the mixture is plasticized into a dough;
s5, extruding materials by using a single-screw extruder, and uniformly feeding the materials into the single-screw extruder by using a feeder to extrude the materials;
s6, hot cutting the air-cooled die surface, cutting the plasticized and extruded raw materials by a cutting machine, and granulating to prepare finished particles;
s7, lengthening the air-cooled vibrating screen, and cooling and conveying the cut finished product through the air-cooled vibrating screen;
and S8, vacuum packaging, and storing the finished product particles by adopting vacuum packaging.
4. The method for preparing a low-smoke halogen-free cable material with an anti-plague function according to claim 3, characterized in that in step S2, the EVA material, the ethylene-octene copolymer, the polyethylene resin, the magnesium hydroxide, the aluminum hydroxide, the dispersant, the antioxidant, the color master batch, the silane, the smoke suppressant, the hydrolysis resistant agent, the flame retardant, the filler, the stabilizer, the tetramethylene disulfone tetramine, and the hydrated zinc borate are added into a mixer to be primarily mixed and heated, and are fully stirred, the heating time is 0.5 hour, and the heating temperature is 60 ℃.
5. The method for preparing a low smoke zero halogen cable material with an anti-rat-sickness function as claimed in claim 3, wherein in step S3, after the mixture is processed in the mixer, the mixture is fed into an internal mixer through a feeder to be heated for a second time, the heating time of the internal mixer is 0.5 hour, and the heating temperature in the internal mixer is 130 ℃.
6. The method for preparing a low smoke zero halogen cable material with a rat epidemic prevention function as claimed in claim 3, wherein in step S4, after the mixture in the internal mixer is processed, the mixture is uniformly fed into a single screw extruder through a double-wrist feeding machine for extrusion, the mixture is mixed again during feeding, and the quality of the mixed material is guaranteed.
7. The method for preparing a low-smoke halogen-free cable material with an anti-plague function according to claim 3, characterized in that, in step S5, the temperature of each section of the extruder is controlled at 200 ℃, the mixture is plasticized and extruded by the extruder, the extruder screw is a special type halogen-free screw, for the extrusion of the halogen-free cable material, the die for insulation extrusion is selected as an extrusion type, and the process of sheath extrusion is selected as a semi-extrusion type, so that the tensile strength, elongation and surface smoothness of the material can be fully ensured.
8. The method for preparing a low-smoke halogen-free cable material with an anti-plague function according to claim 3, characterized in that in step S6, the strip-shaped finished product plasticized and extruded by the extruder is cut into particles by a cutter, thereby facilitating transportation and storage.
9. The preparation method of the low-smoke halogen-free cable material with the plague prevention function according to claim 3, characterized in that in step S7, the cut finished product is cooled and conveyed through an air-cooled vibrating screen, and a detector is used to detect various indexes of the sample in the conveying process.
10. The method for preparing a low smoke zero halogen cable material with an anti-plague function according to claim 3, characterized in that in step S8, finished particles are vacuum-packed by using a particle single-bucket packing machine.
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| WO2014010500A1 (en) * | 2012-07-09 | 2014-01-16 | 古河電気工業株式会社 | Non-halogen flame-retardant resin composition and insulated wire/cable having non-halogen flame-retardant resin composition |
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| CN105086108A (en) * | 2014-05-23 | 2015-11-25 | 刘静兵 | Preparation method for anti-mouse low-smoke halogen-free polyolefin cable material containing reclaimed materials |
| CN105400046A (en) * | 2015-12-15 | 2016-03-16 | 中广核三角洲（苏州）高聚物有限公司 | 150 DEG C irradiation crosslinked high-wear-resistant halogen-free flame-retardant cable material for automotive wires and preparation method thereof |
| CN111205550A (en) * | 2020-03-20 | 2020-05-29 | 无锡鑫宏业线缆科技股份有限公司 | 125 ℃ irradiation crosslinking low-smoke halogen-free flame-retardant polyolefin cable material for new energy vehicle |
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Application publication date: 20210312 |