CN111100391A - Weather-resistant wire and cable material and production process thereof - Google Patents
Weather-resistant wire and cable material and production process thereof Download PDFInfo
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- CN111100391A CN111100391A CN201911372906.5A CN201911372906A CN111100391A CN 111100391 A CN111100391 A CN 111100391A CN 201911372906 A CN201911372906 A CN 201911372906A CN 111100391 A CN111100391 A CN 111100391A
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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
- C08L23/26—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers modified by chemical after-treatment
- C08L23/28—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers modified by chemical after-treatment by reaction with halogens or compounds containing halogen
- C08L23/286—Chlorinated polyethylene
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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
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/06—Rod-shaped
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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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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- 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
- H01B3/441—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 from alkenes
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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
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
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- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2217—Oxides; Hydroxides of metals of magnesium
- C08K2003/222—Magnesia, i.e. magnesium oxide
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- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
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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
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
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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
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- 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
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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
- 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
Abstract
The invention discloses a weather-resistant wire and cable material and a production process thereof, wherein the weather-resistant wire and cable material comprises the following raw material components in parts by weight: the cable material comprises, by weight, 80 parts of chlorinated polyethylene, 20-30 parts of polyvinyl chloride, 6-8 parts of a stabilizer, 2-4 parts of magnesium oxide, 2-4 parts of zinc oxide, 6-8 parts of nitrile rubber, 8-10 parts of dibutyl phthalate, 4-6 parts of palygorskite powder, 1-3 parts of a coupling agent, 2-4 parts of a toughening agent and 4-6 parts of an anti-aging agent. The weather-resistant wire and cable material and the production process thereof are characterized in that chlorinated polyethylene, polyvinyl chloride and a stabilizer are mixed, the mixture is placed into an internal mixer for mixing, the chlorinated polyethylene has excellent weather resistance, ozone resistance, chemical resistance and aging resistance, good oil resistance, flame resistance and coloring performance, good toughness, good compatibility with other high polymer materials and higher decomposition temperature, and the weather resistance of the cable material can be greatly improved by adding the polyvinyl chloride and the stabilizer.
Description
Technical Field
The invention relates to the technical field of cable materials, in particular to a weather-resistant wire and cable material and a production process thereof.
Background
The plastic for the insulation and the sheath of the electric wire and the electric cable is commonly called as a cable material, and comprises various varieties of rubber, plastic, nylon and the like, cable material production enterprises take cable production enterprises as users, the market of the cable material is provided as long as the electric wire and the electric cable have requirements, the electric wire and the electric cable almost all need an insulating layer opening except bare wire products such as steel-cored aluminum stranded wires, electromagnetic wires and the like, the cable coating is based on extrusion and has a vertical type and a horizontal type, wherein the horizontal angular extrusion method is the most common method, and equipment required by the whole process of cable processing comprises a pay-off device, an extruder, a coating port die, a cooling tank, an insulation inspection machine, a tractor, a film device and the like.
At present, some wire cables applied outdoors have the disadvantages that the wire cables are easy to damage and have the danger of short circuit under the conditions of low temperature and high humidity due to poor weather resistance of cable materials used on the surfaces of the wire cables, the protection effect on the circuits is poor, the normal use of the circuits is influenced, and the maintenance cost on the circuits is increased.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a weather-resistant wire and cable material and a production process thereof, and solves the problems that the wire and cable are easy to damage and generate short circuit danger under low-temperature and high-humidity conditions, the protection effect on a circuit is poor, the normal use of the circuit is influenced, and the maintenance cost of the circuit is increased due to the poor weather resistance of the cable material used on the surface of the wire and cable at present.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: a weather-resistant wire and cable material comprises the following raw material components in parts by weight: 80 parts of chlorinated polyethylene, 20-30 parts of polyvinyl chloride, 6-8 parts of a stabilizer, 2-4 parts of magnesium oxide, 2-4 parts of zinc oxide, 6-8 parts of nitrile rubber, 8-10 parts of dibutyl phthalate, 4-6 parts of palygorskite powder, 1-3 parts of a coupling agent, 2-4 parts of a toughening agent and 4-6 parts of an anti-aging agent.
Preferably, the raw material components comprise the following components in parts by weight: 80 parts of chlorinated polyethylene, 20 parts of polyvinyl chloride, 6 parts of a stabilizer, 2 parts of magnesium oxide, 2 parts of zinc oxide, 6 parts of nitrile rubber, 8 parts of dibutyl phthalate, 4 parts of palygorskite powder, 1 part of a coupling agent, 2 parts of a toughening agent and 4 parts of an anti-aging agent.
Preferably, the raw material components comprise the following components in parts by weight: 80 parts of chlorinated polyethylene, 30 parts of polyvinyl chloride, 8 parts of a stabilizer, 4 parts of magnesium oxide, 4 parts of zinc oxide, 8 parts of nitrile rubber, 10 parts of dibutyl phthalate, 6 parts of palygorskite powder, 3 parts of a coupling agent, 4 parts of a toughening agent and 6 parts of an anti-aging agent.
Preferably, the raw material components comprise the following components in parts by weight: 80 parts of chlorinated polyethylene, 25 parts of polyvinyl chloride, 7 parts of a stabilizer, 3 parts of magnesium oxide, 3 parts of zinc oxide, 7 parts of nitrile rubber, 9 parts of dibutyl phthalate, 5 parts of palygorskite powder, 2 parts of a coupling agent, 3 parts of a toughening agent and 5 parts of an anti-aging agent.
Preferably, the stabilizer is one of tribasic lead sulfate, composite lead salt heat stabilizer, composite barium-cadmium stabilizer, composite barium-zinc stabilizer and composite calcium-zinc stabilizer, wherein the composite calcium-zinc stabilizer is a preferred embodiment of the stabilizer.
Preferably, the toughening agent is one or more of ethylene-vinyl acetate copolymer, styrene-butadiene thermoplastic elastomer and acrylonitrile-butadiene-styrene copolymer.
Preferably, the antioxidant is one of antioxidant A, antioxidant D, antioxidant CPPD, antioxidant 4010NA, antioxidant 4020 and antioxidant 264, wherein the antioxidant 264 is a preferred embodiment of the antioxidant.
The invention also discloses a production process of the weather-resistant wire and cable material, which specifically comprises the following steps:
s1, mixing chlorinated polyethylene, polyvinyl chloride and a stabilizer, mixing the mixture in an internal mixer at the mixing temperature of 110 ℃ for 5min, uniformly mixing the three materials, and taking out the mixture for further processing;
s2, mixing magnesium oxide, zinc oxide, nitrile rubber, dibutyl phthalate and an anti-aging agent, putting the mixture into an internal mixer for mixing, wherein the mixing temperature is 70 ℃, the mixing time is 5min, and taking out the uniformly mixed mixture for further processing;
s3, mixing the mixture prepared in the S1 and the mixture prepared in the S2, adding the palygorskite powder, the coupling agent and the toughening agent into the mixture, and putting the mixture into a double-screw extruder, wherein the rotating speed of the extruder is 50 revolutions per minute, the temperature is set as 180 ℃ in a feeding section, 180 ℃ in a mixing section, 200 ℃ in an extrusion molding section, 200 ℃ in a flange part and 190 ℃ in a head part, and grafting reaction is carried out in the double-screw extruder to obtain the cable material.
(III) advantageous effects
The invention provides a weather-resistant wire and cable material and a production process thereof. Compared with the prior art, the method has the following beneficial effects:
(1) the weather-resistant wire and cable material and the production process thereof are characterized in that chlorinated polyethylene, polyvinyl chloride and a stabilizer are mixed, the mixture is placed into an internal mixer for mixing, the mixing temperature is 110 ℃, the mixing time is 5min, the three materials are uniformly mixed and then taken out for next processing, the chlorinated polyethylene is used as a main material, the chlorinated polyethylene has excellent weather resistance, ozone resistance, chemical resistance and aging resistance, good oil resistance, flame retardance and coloring performance, good toughness, good compatibility with other high polymer materials and high decomposition temperature, and the weather resistance of the cable material can be greatly improved by adding the polyvinyl chloride and the stabilizer.
(2) The weather-resistant wire and cable material and the production process thereof are characterized in that magnesium oxide, zinc oxide, nitrile rubber, dibutyl phthalate and an anti-aging agent are mixed, the mixture is placed into an internal mixer for mixing, the mixing temperature is 70 ℃, the mixing time is 5min, the uniformly mixed mixture is taken out for further processing, the addition of the magnesium oxide can enable the cable material to have a good acid absorption effect, hydrogen chloride gas generated by high-temperature vulcanization of chlorinated polyethylene is absorbed, and the temperature resistance grade of the polyvinyl chloride is improved by using the zinc oxide.
(3) The weather-resistant wire and cable material and the production process thereof are characterized in that palygorskite powder, a coupling agent and a toughening agent are added into a mixture, the mixture is placed into a double-screw extruder, wherein the rotating speed of the extruder is 50 revolutions per minute, the temperature of the extruder is set to 180 ℃ in a feeding section, 180 ℃ in a mixing section, 200 ℃ in an extrusion molding section, 200 ℃ in a flange part and 190 ℃ in a head part, grafting reaction is carried out in the double-screw extruder to obtain the cable material, the coupling agent and the palygorskite powder are added, the coupling agent reacts with surface groups of the palygorskite powder to ensure that the palygorskite powder is connected with polyethylene, nitrile rubber and chlorinated polyethylene matrix through covalent bonds, a strong effect is formed, the mechanical property of the composite material is improved, and in addition, the coupling agent and the palygorskite powder are limited after polymerization, The movement of nitrile rubber and chlorinated polyethylene molecules has the effect of blocking oxygen and decomposition products, so that the degradation of the composite material is hindered, and the thermal stability of the composite material is further improved.
Drawings
FIG. 1 is a statistical table of comparative experimental data according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the embodiment of the present invention provides three technical solutions: a production process of a weather-resistant wire and cable material specifically comprises the following embodiments:
example 1
S1, selecting 80 parts of raw materials of chlorinated polyethylene, 20 parts of polyvinyl chloride, 6 parts of a stabilizer, 2 parts of magnesium oxide, 2 parts of zinc oxide, 6 parts of nitrile rubber, 8 parts of dibutyl phthalate, 4 parts of palygorskite powder, 1 part of a coupling agent, 2 parts of a toughening agent and 4 parts of an anti-aging agent, mixing 80 parts of chlorinated polyethylene, 20 parts of polyvinyl chloride and 6 parts of the stabilizer, putting the mixture into an internal mixer for mixing, wherein the mixing temperature is 110 ℃, the mixing time is 5min, uniformly mixing the three materials, and taking out the three materials for next processing;
s2, mixing 2 parts of magnesium oxide, 2 parts of zinc oxide, 6 parts of nitrile rubber, 8 parts of dibutyl phthalate and 4 parts of anti-aging agent, putting the mixture into an internal mixer for mixing, wherein the mixing temperature is 70 ℃, the mixing time is 5min, and taking out the uniformly mixed mixture for further processing;
s3, mixing the mixture prepared in the S1 and the S2, adding 4 parts of palygorskite powder, 1 part of coupling agent and 2 parts of toughening agent into the mixture, and putting the mixture into a double-screw extruder, wherein the rotating speed of the extruder is 50 revolutions per minute, the temperature of a feeding section is set to be 180 ℃, the temperature of a mixing section is set to be 180 ℃, the temperature of an extrusion molding section is set to be 200 ℃, the temperature of a flange part is set to be 200 ℃, the temperature of a head part is set to be 190 ℃, and grafting reaction is carried out in the double-screw extruder to obtain the cable material.
Example 2
S1, selecting 80 parts of raw materials of chlorinated polyethylene, 30 parts of polyvinyl chloride, 8 parts of stabilizer, 4 parts of magnesium oxide, 4 parts of zinc oxide, 8 parts of nitrile rubber, 10 parts of dibutyl phthalate, 6 parts of palygorskite powder, 3 parts of coupling agent, 4 parts of toughening agent and 6 parts of anti-aging agent, mixing 80 parts of chlorinated polyethylene, 30 parts of polyvinyl chloride and 8 parts of stabilizer, putting the mixture into an internal mixer for mixing, wherein the mixing temperature is 110 ℃, the mixing time is 5min, uniformly mixing the three materials, and taking out the three materials for next processing;
s2, mixing 4 parts of magnesium oxide, 4 parts of zinc oxide, 8 parts of nitrile rubber, 10 parts of dibutyl phthalate and 6 parts of anti-aging agent, putting the mixture into an internal mixer for mixing, wherein the mixing temperature is 70 ℃, the mixing time is 5min, and taking out the uniformly mixed mixture for further processing;
s3, mixing the mixture prepared in the S1 and the S2, adding 6 parts of palygorskite powder, 3 parts of coupling agent and 4 parts of toughening agent into the mixture, and putting the mixture into a double-screw extruder, wherein the rotating speed of the extruder is 50 revolutions per minute, the temperature of a feeding section is set to be 180 ℃, the temperature of a mixing section is set to be 180 ℃, the temperature of an extrusion molding section is set to be 200 ℃, the temperature of a flange part is set to be 200 ℃, the temperature of a head part is set to be 190 ℃, and grafting reaction is carried out in the double-screw extruder to obtain the cable material.
Example 3
S1, selecting 80 parts of raw materials of chlorinated polyethylene, 25 parts of polyvinyl chloride, 7 parts of a stabilizer, 3 parts of magnesium oxide, 3 parts of zinc oxide, 7 parts of nitrile rubber, 9 parts of dibutyl phthalate, 5 parts of palygorskite powder, 2 parts of a coupling agent, 3 parts of a toughening agent and 5 parts of an anti-aging agent, mixing 80 parts of chlorinated polyethylene, 25 parts of polyvinyl chloride and 7 parts of the stabilizer, putting the mixture into an internal mixer for mixing, wherein the mixing temperature is 110 ℃, the mixing time is 5min, uniformly mixing the three materials, and taking out the three materials for next processing;
s2, mixing 3 parts of magnesium oxide, 3 parts of zinc oxide, 7 parts of nitrile rubber, 9 parts of dibutyl phthalate and 4 parts of anti-aging agent, putting the mixture into an internal mixer for mixing, wherein the mixing temperature is 70 ℃, the mixing time is 5min, and taking out the uniformly mixed mixture for further processing;
s3, mixing the mixture prepared in the S1 and the S2, adding 5 parts of palygorskite powder, 2 parts of coupling agent and 3 parts of toughening agent into the mixture, and putting the mixture into a double-screw extruder, wherein the rotating speed of the extruder is 50 revolutions per minute, the temperature of a feeding section is set to be 180 ℃, the temperature of a mixing section is set to be 180 ℃, the temperature of an extrusion molding section is set to be 200 ℃, the temperature of a flange part is set to be 200 ℃, the temperature of a head part is set to be 190 ℃, and grafting reaction is carried out in the double-screw extruder to obtain the cable material.
Comparative experiment
A certain electric wire and cable material manufacturer respectively selects the cable materials manufactured in the embodiments 1 to 3 to perform a weather resistance comparison experiment, as can be seen from fig. 1, the weather resistance of the cable material manufactured in the embodiment 1 is 7.3, the weather resistance of the cable material manufactured in the embodiment 2 is 7.6, the strength of the concrete plate manufactured in the embodiment 3 is 8.4, the weather resistance of the cable material manufactured in the embodiment 3 is higher, and the cable material manufactured in the embodiment 3 is a preferable scheme, so that the cable material manufactured in the embodiment 3 can have better weather resistance and stability for the electric wire and cable, and can well protect a circuit in which the electric wire and cable works.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A weather-resistant wire and cable material is characterized in that: the raw material components of the material comprise the following components in parts by weight: 80 parts of chlorinated polyethylene, 20-30 parts of polyvinyl chloride, 6-8 parts of a stabilizer, 2-4 parts of magnesium oxide, 2-4 parts of zinc oxide, 6-8 parts of nitrile rubber, 8-10 parts of dibutyl phthalate, 4-6 parts of palygorskite powder, 1-3 parts of a coupling agent, 2-4 parts of a toughening agent and 4-6 parts of an anti-aging agent.
2. The weatherable wire cable material according to claim 1, wherein: the raw material components of the material comprise the following components in parts by weight: 80 parts of chlorinated polyethylene, 20 parts of polyvinyl chloride, 6 parts of a stabilizer, 2 parts of magnesium oxide, 2 parts of zinc oxide, 6 parts of nitrile rubber, 8 parts of dibutyl phthalate, 4 parts of palygorskite powder, 1 part of a coupling agent, 2 parts of a toughening agent and 4 parts of an anti-aging agent.
3. The weatherable wire cable material according to claim 1, wherein: the raw material components of the material comprise the following components in parts by weight: 80 parts of chlorinated polyethylene, 30 parts of polyvinyl chloride, 8 parts of a stabilizer, 4 parts of magnesium oxide, 4 parts of zinc oxide, 8 parts of nitrile rubber, 10 parts of dibutyl phthalate, 6 parts of palygorskite powder, 3 parts of a coupling agent, 4 parts of a toughening agent and 6 parts of an anti-aging agent.
4. The weatherable wire cable material according to claim 1, wherein: the raw material components of the material comprise the following components in parts by weight: 80 parts of chlorinated polyethylene, 25 parts of polyvinyl chloride, 7 parts of a stabilizer, 3 parts of magnesium oxide, 3 parts of zinc oxide, 7 parts of nitrile rubber, 9 parts of dibutyl phthalate, 5 parts of palygorskite powder, 2 parts of a coupling agent, 3 parts of a toughening agent and 5 parts of an anti-aging agent.
5. The weather resistant electric wire and cable material according to any one of claims 1 to 4, wherein: the stabilizer is one of tribasic lead sulfate, a composite lead salt heat stabilizer, a composite barium-cadmium stabilizer, a composite barium-zinc stabilizer and a composite calcium-zinc stabilizer, wherein the composite calcium-zinc stabilizer is the preferable scheme of the stabilizer.
6. The weather resistant electric wire and cable material according to any one of claims 1 to 4, wherein: the toughening agent is one or a combination of more of ethylene-vinyl acetate copolymer, styrene-butadiene thermoplastic elastomer and acrylonitrile-butadiene-styrene copolymer.
7. The weather resistant electric wire and cable material according to any one of claims 1 to 4, wherein: the anti-aging agent is one of anti-aging agent A, anti-aging agent D, anti-aging agent CPPD, anti-aging agent 4010NA, anti-aging agent 4020 and anti-aging agent 264, wherein the anti-aging agent 264 is a preferred scheme of the anti-aging agent.
8. A production process of a weather-resistant wire and cable material is characterized by comprising the following steps: the method specifically comprises the following steps:
s1, mixing chlorinated polyethylene, polyvinyl chloride and a stabilizer, mixing the mixture in an internal mixer at the mixing temperature of 110 ℃ for 5min, uniformly mixing the three materials, and taking out the mixture for further processing;
s2, mixing magnesium oxide, zinc oxide, nitrile rubber, dibutyl phthalate and an anti-aging agent, putting the mixture into an internal mixer for mixing, wherein the mixing temperature is 70 ℃, the mixing time is 5min, and taking out the uniformly mixed mixture for further processing;
s3, mixing the mixture prepared in the S1 and the mixture prepared in the S2, adding the palygorskite powder, the coupling agent and the toughening agent into the mixture, and putting the mixture into a double-screw extruder, wherein the rotating speed of the extruder is 50 revolutions per minute, the temperature is set as 180 ℃ in a feeding section, 180 ℃ in a mixing section, 200 ℃ in an extrusion molding section, 200 ℃ in a flange part and 190 ℃ in a head part, and grafting reaction is carried out in the double-screw extruder to obtain the cable material.
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| CN201911372906.5A CN111100391A (en) | 2019-12-23 | 2019-12-23 | Weather-resistant wire and cable material and production process thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111548580A (en) * | 2020-05-29 | 2020-08-18 | 江苏荣宜电缆有限公司 | High-temperature-resistant cable material and preparation method thereof |
| CN112831117A (en) * | 2021-02-26 | 2021-05-25 | 江西洪茂线缆有限公司 | Flame-retardant crosslinked polyethylene cable material and preparation method thereof |
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