CN109679251A - A kind of cold-resistant Stretch-resistant cable material and preparation method thereof for high-tension electricity conveying - Google Patents
A kind of cold-resistant Stretch-resistant cable material and preparation method thereof for high-tension electricity conveying Download PDFInfo
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- CN109679251A CN109679251A CN201910030959.2A CN201910030959A CN109679251A CN 109679251 A CN109679251 A CN 109679251A CN 201910030959 A CN201910030959 A CN 201910030959A CN 109679251 A CN109679251 A CN 109679251A
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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
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/04—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08L27/06—Homopolymers or copolymers of vinyl chloride
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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
- H01B3/443—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 vinylhalogenides or other halogenoethylenic compounds
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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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
- 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
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Abstract
The present invention relates to CABLE MATERIALS technical fields, and disclose a kind of cold-resistant Stretch-resistant cable material for high-tension electricity conveying, including following raw material: Corvic, ethylene propylene diene rubber, polyurethane rubber, oil-extended styrene buadiene rubber, polytetrafluoroethylene (PTFE), plasticizer, antioxidant, fire retardant, stabilizer, crosslinking agent, antimony oxide, polypropene staple, kaolin, white carbon black.The present invention, the present invention passes through the mutual associated between raw material, so that CABLE MATERIALS has good low temperature resistivity cold tolerance strong, flexibility is good, with good mechanical shock resistance, tensile strength is high at the same time, and manufacturing cost is low, long service life, meet energy-saving and environment-friendly theory, it is worthy to be popularized, is acted on by polypropene staple, antimony oxide, kaolin and white carbon black associated to enhance the plasticity, wearability and crack resistance of CABLE MATERIALS, improve the comprehensive performance of cable material.
Description
Technical field
The present invention relates to CABLE MATERIALS technical field, specially a kind of cold-resistant Stretch-resistant cable material for high-tension electricity conveying
And preparation method thereof.
Background technique
High-tension electricity conveying is a kind of side that will be transmitted after boost in voltage that generator exports by power generation house transformer
Formula.Why in this way transmission of electricity is because in the case where same transmission power, and voltage gets over high current with regard to smaller, in this way height
Electric current of pressure transmission of electricity when just can be reduced transmission of electricity to reduce the material of the thermal losses and reduction long distance power transmission that are generated by electric current at
This.
Wire and cable is also the key of high-tension electricity conveying, and wire and cable also becomes in industrial and agricultural production and the modern life
Indispensable important materials, China are the maximum countries producing electric wires and cables man in the whole world, state of the wires and cables industry in China
It is played a very important role in people's economy, still, there is low temperature items for high-tension electricity conveying CABLE MATERIALS currently on the market
Impact strength under part is not high, and cold tolerance is poor, and the low problem of tensile strength causes CABLE MATERIALS service life short, gives people
Bring great inconvenience.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, the present invention provides it is a kind of for high-tension electricity conveying cold-resistant Stretch-resistant cable material and its
Preparation method has cold resistance and the strong advantage of tensile resistance, solves high-tension electricity conveying cable currently on the market
Material is not there is the impact strength under cryogenic conditions is high, and cold tolerance is poor, and the low problem of tensile strength causes CABLE MATERIALS to use
Service life is short, has brought the problem of great inconvenience.
(2) technical solution
To realize above-mentioned cold resistance and the strong purpose of tensile resistance, the invention provides the following technical scheme: a kind of be used for high pressure
The cold-resistant Stretch-resistant cable material of power Transmission, including following raw material: Corvic, ethylene propylene diene rubber, polyurethane rubber,
Oil-extended styrene buadiene rubber, polytetrafluoroethylene (PTFE), plasticizer, antioxidant, fire retardant, stabilizer, crosslinking agent, antimony oxide, polypropylene
Staple fiber, kaolin, white carbon black.
Preferably, the stabilizer is calcium-zinc composite stabilizing agent, and calcium-zinc composite stabilizing agent includes calcium stearate, stearic acid
Zinc, the fire retardant are halogen-free flame retardants.
Preferably, the crosslinking agent is that divinylbenzene, trimethylol-propane trimethacrylate and triallyl are different
The mixing of one or more of cyanurate.
Preferably, a kind of cold-resistant Stretch-resistant cable material for high-tension electricity conveying, including following parts by weight proportion: poly-
60-80 parts of vinyl chloride resin, 40-50 parts of ethylene propylene diene rubber, 20-30 parts of polyurethane rubber, 20-30 parts of oil-extended styrene buadiene rubber,
22-26 parts of polytetrafluoroethylene (PTFE), 10-18 parts of plasticizer, 4-6 parts of antioxidant, 2-5 parts of fire retardant, 5-8 parts of stabilizer, crosslinking agent 5-8
Part, 6-8 parts of antimony oxide, 15-20 parts of polypropene staple, 15-25 parts of kaolin, 5-8 parts of white carbon black.
Preferably, a kind of cold-resistant Stretch-resistant cable material for high-tension electricity conveying, including following parts by weight proportion: poly-
60 parts of vinyl chloride resin, 40 parts of ethylene propylene diene rubber, 20 parts of polyurethane rubber, 20 parts of oil-extended styrene buadiene rubber, polytetrafluoroethylene (PTFE) 22
Part, 10 parts of plasticizer, 4 parts of antioxidant, 2 parts of fire retardant, 5 parts of stabilizer, 5 parts of crosslinking agent, 6 parts of antimony oxide, polypropylene are short
15 parts of fiber, 15 parts of kaolin, 5 parts of white carbon black.
Preferably, a kind of cold-resistant Stretch-resistant cable material for high-tension electricity conveying, including following parts by weight proportion: poly-
70 parts of vinyl chloride resin, 45 parts of ethylene propylene diene rubber, 25 parts of polyurethane rubber, 25 parts of oil-extended styrene buadiene rubber, polytetrafluoroethylene (PTFE) 24
Part, is gathered 14 parts of plasticizer, 5 parts of antioxidant, 3.5 parts of fire retardant, 6.5 parts of stabilizer, 6.5 parts of crosslinking agent, 7 parts of antimony oxide
17.5 parts of propylene staple fiber, 20 parts of kaolin, 6.5 parts of white carbon black.
Preferably, a kind of cold-resistant Stretch-resistant cable material for high-tension electricity conveying, including following parts by weight proportion: poly-
80 parts of vinyl chloride resin, 50 parts of ethylene propylene diene rubber, 30 parts of polyurethane rubber, 30 parts of oil-extended styrene buadiene rubber, polytetrafluoroethylene (PTFE) 26
Part, 18 parts of plasticizer, 6 parts of antioxidant, 5 parts of fire retardant, 8 parts of stabilizer, 8 parts of crosslinking agent, 8 parts of antimony oxide, polypropylene are short
20 parts of fiber, 25 parts of kaolin, 8 parts of white carbon black.
Another technical problem to be solved by the present invention is that providing a kind of cold-resistant stretch-proof cable for high-tension electricity conveying
Material and preparation method thereof, comprising the following steps:
S1) Corvic is added in high-speed mixer and stirs and heats under 1000-1200r/min revolving speed, works as polychlorostyrene
When vinyl temperature reaches 50 DEG C -75 DEG C, plasticizer is added into Corvic, plasticizer is added several times, every time
It is added after the dry extremely stirring of Corvic is not agglomerating when plasticizer is added, after the completion of addition, in 500-800r/min
Under revolving speed, 5-10min is stirred, plasticised polyvinyl chloride resin is obtained；
S2) by ethylene propylene diene rubber, polyurethane rubber, oil-extended styrene buadiene rubber and crosslinking agent put into high-speed mixer in step
Plasticised polyvinyl chloride resin in S1, which stirs to pour into after 5-10min under the conditions of 800-900r/min, carries out mixing in mixer,
Material is respectively once stirred when material temperature is 80-90 DEG C, 100 DEG C -110 DEG C, 120 DEG C -130 DEG C and 140 DEG C -150 DEG C, is made
It is sufficiently mixed, and blowing when material temperature reaches 160 DEG C obtains mixture A；
S3) propylene staple fiber is added in high speed disintegrator and be crushed, it is same polytetrafluoroethylene (PTFE), kaolin, white after crushing 15-20min
Carbon black and antimony oxide are added to the stirring of high-speed mixer high speed, mixing speed 500-700r/min, time 15- together
25min obtains mixed powder B；
S4 it) by mixed powder B, antioxidant and fire retardant obtained in mixture A and S3 obtained in step S2, is added high
In fast mixing machine, be sufficiently stirred so that all material be uniformly mixed, mixing speed 600-800r/min, mixing time 20-30
Min obtains mixture C；
S5) mixture C obtained in step S4 and stabilizer will be added in reaction kettle, and will be 100-110 DEG C of condition in temperature
Mixture D is made in lower reaction 20-25min；
S6) mixture D obtained in step S5 will be added twin-screw extrude to carry out extruding pelletization, pellet drying is cooling
To room temperature to get cold-resistant Stretch-resistant cable material；
Preferably, the extrusion temperature of the double screw extruder is 150-160 DEG C, screw speed 60-70r/min.
(3) beneficial effect
Compared with prior art, the present invention provides a kind of cold-resistant Stretch-resistant cable materials and its preparation for high-tension electricity conveying
Method, have it is following the utility model has the advantages that
The present invention have it is following the utility model has the advantages that
(1) present invention is by the mutual associated between raw material, so that CABLE MATERIALS has good low temperature resistivity cold tolerance strong, it is flexible
Property it is good, there is good mechanical shock resistance, tensile strength is high at the same time, and manufacturing cost bottom, long service life meets section
The theory of energy environmental protection, is worthy to be popularized.
(2) present invention is by being basic resin with Corvic and ethylene propylene diene rubber, then passes through polyurethane rubber
With being used cooperatively for oil-extended styrene buadiene rubber, make high-tension electricity conveying CABLE MATERIALS that there are good mechanical tenacity, cold resistance, and three
First EP rubbers is as ethylene, propylene through rubber made of solution copolymerization, and a kind of high polymer of saturation, ageing-resistant performance is very
Well, resistance to weather is good, electrical insulation capability is excellent, chemical corrosion resistance is good, impact elasticity is preferable.
(3) polytetrafluoroethylene (PTFE) has good mechanical tenacity and high temperature resistance in the present invention, that is, drop temperature to-
196 DEG C, 5% elongation can also be kept, and it uses operating temperature up to 250 DEG C, can further promote the cold-resistant of CABLE MATERIALS
Property and heat resistance, improve the service life of CABLE MATERIALS.
(4) present invention is acted on by polypropene staple, antimony oxide, kaolin and white carbon black associated to enhance cable
Plasticity, wearability and the crack resistance of material, improve the comprehensive performance of cable material.
Specific embodiment
Below in conjunction with the embodiment of the present invention, technical solution in the embodiment of the present invention is clearly and completely retouched
It states, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on the present invention
In embodiment, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, shall fall within the protection scope of the present invention.
Embodiment 1:
A kind of cold-resistant Stretch-resistant cable material for high-tension electricity conveying, including following parts by weight proportion: Corvic
60 parts, 40 parts of ethylene propylene diene rubber, 20 parts of polyurethane rubber, 20 parts of oil-extended styrene buadiene rubber, 22 parts of polytetrafluoroethylene (PTFE), plasticizer 10
Part, 4 parts of antioxidant, 2 parts of fire retardant, 5 parts of stabilizer, 5 parts of crosslinking agent, 6 parts of antimony oxide, 15 parts of polypropene staple, height
15 parts, 5 parts of white carbon black of ridge soil.
Embodiment 2:
A kind of cold-resistant Stretch-resistant cable material for high-tension electricity conveying, including following parts by weight proportion: Corvic
70 parts, 45 parts of ethylene propylene diene rubber, 25 parts of polyurethane rubber, 25 parts of oil-extended styrene buadiene rubber, 24 parts of polytetrafluoroethylene (PTFE), plasticizer 14
Part, 5 parts of antioxidant, 3.5 parts of fire retardant, 6.5 parts of stabilizer, 6.5 parts of crosslinking agent, 7 parts of antimony oxide, polypropene staple
17.5 parts, 20 parts of kaolin, 6.5 parts of white carbon black.
Embodiment 3:
A kind of cold-resistant Stretch-resistant cable material for high-tension electricity conveying, including following parts by weight proportion: Corvic
80 parts, 50 parts of ethylene propylene diene rubber, 30 parts of polyurethane rubber, 30 parts of oil-extended styrene buadiene rubber, 26 parts of polytetrafluoroethylene (PTFE), plasticizer 18
Part, 6 parts of antioxidant, 5 parts of fire retardant, 8 parts of stabilizer, 8 parts of crosslinking agent, 8 parts of antimony oxide, 20 parts of polypropene staple, height
25 parts, 8 parts of white carbon black of ridge soil.
The preparation method of any one cold-resistant Stretch-resistant cable material conveyed for high-tension electricity in embodiment 1-3, packet
Include following steps:
S1) Corvic is added in high-speed mixer and stirs and heats under 1100r/min revolving speed, when polyvinyl chloride tree
When rouge temperature reaches 62.5 DEG C, plasticizer is added into Corvic, plasticizer is added several times, and plasticizer is added every time
When after Corvic it is dry to stir it is not agglomerating after add, after the completion of addition, under 650r/min revolving speed, stirring
7.5min obtains plasticised polyvinyl chloride resin；
S2) by ethylene propylene diene rubber, polyurethane rubber, oil-extended styrene buadiene rubber and crosslinking agent put into high-speed mixer in step
Plasticised polyvinyl chloride resin in S1, which stirs to pour into after 7.5min under the conditions of 850r/min, carries out mixing in mixer, in material temperature
Material is respectively once stirred when being 85 DEG C, 105 DEG C, 125 DEG C and 145 DEG C, is mixed them thoroughly, reaches 160 DEG C to material temperature
When blowing, obtain mixture A；
S3) propylene staple fiber is added in high speed disintegrator and be crushed, it is same polytetrafluoroethylene (PTFE), kaolin, white after crushing 17.5min
Carbon black and antimony oxide are added to high-speed mixer high speed together and stir, mixing speed 600r/min, time 20min,
Obtain mixed powder B；
S4 it) by mixed powder B, antioxidant and fire retardant obtained in mixture A and S3 obtained in step S2, is added high
In fast mixing machine, it is sufficiently stirred so that all material is uniformly mixed, mixing speed 700r/min, mixing time 25min are mixed
Close object C；
S5) mixture C obtained in step S4 and stabilizer will be added in reaction kettle, and will be 100-110 DEG C of condition in temperature
Mixture D is made in lower reaction 20-25min；
S6) mixture D obtained in step S5 will be added twin-screw extrude to carry out extruding pelletization, pellet drying is cooling
To room temperature to get cold-resistant Stretch-resistant cable material.
Further, stabilizer is calcium-zinc composite stabilizing agent, and calcium-zinc composite stabilizing agent includes calcium stearate, zinc stearate,
Fire retardant is halogen-free flame retardants.
Further, crosslinking agent is divinylbenzene, trimethylol-propane trimethacrylate and triallyl isocyanide
The mixing of one or more of urate.
Further, the extrusion temperature of double screw extruder is 150 DEG C, screw speed 65r/min.
In summary: the present invention is by being basic resin with Corvic and ethylene propylene diene rubber, then passes through poly- ammonia
Ester rubber and oil-extended styrene buadiene rubber are used cooperatively, and high-tension electricity conveying CABLE MATERIALS is made to have good mechanical tenacity, cold-resistant
Property, and ethylene propylene diene rubber is as ethylene, propylene through rubber made of solution copolymerization, a kind of high polymer of saturation is ageing-resistant
Performance is very good, resistance to weather is good, electrical insulation capability is excellent, chemical corrosion resistance is good, impact elasticity is preferable, polytetrafluoroethylene (PTFE) tool
There are good mechanical tenacity and high temperature resistance, that is, drop temperature to -196 DEG C, 5% elongation can also be kept, and it is used
Operating temperature can further promote the cold resistance and heat resistance of CABLE MATERIALS, improve the service life of CABLE MATERIALS up to 250 DEG C,
High-tension electricity conveying CABLE MATERIALS currently on the market is solved there is the impact strength under cryogenic conditions is not high, cold tolerance
Poor, the low problem of tensile strength causes CABLE MATERIALS service life short, has brought the problem of great inconvenience.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (9)
1. a kind of cold-resistant Stretch-resistant cable material for high-tension electricity conveying, it is characterised in that: including following raw material: polyvinyl chloride
It is resin, ethylene propylene diene rubber, polyurethane rubber, oil-extended styrene buadiene rubber, polytetrafluoroethylene (PTFE), plasticizer, antioxidant, fire retardant, steady
Determine agent, crosslinking agent, antimony oxide, polypropene staple, kaolin, white carbon black.
2. a kind of cold-resistant Stretch-resistant cable material for high-tension electricity conveying according to claim 1, it is characterised in that: institute
Stating stabilizer is calcium-zinc composite stabilizing agent, and calcium-zinc composite stabilizing agent includes calcium stearate, zinc stearate, and the fire retardant is Halogen
Fire retardant.
3. a kind of cold-resistant Stretch-resistant cable material for high-tension electricity conveying according to claim 1, it is characterised in that: institute
State crosslinking agent be one of divinylbenzene, trimethylol-propane trimethacrylate and triallyl isocyanurate or
Several mixing.
4. a kind of cold-resistant Stretch-resistant cable material for high-tension electricity conveying according to claim 1, it is characterised in that: packet
Include following parts by weight proportion: 60-80 parts of Corvic, 40-50 parts of ethylene propylene diene rubber, 20-30 parts of polyurethane rubber,
20-30 parts of oil-extended styrene buadiene rubber, 22-26 parts of polytetrafluoroethylene (PTFE), 10-18 parts of plasticizer, 4-6 parts of antioxidant, 2-5 parts of fire retardant,
It is 5-8 parts of stabilizer, 5-8 parts of crosslinking agent, 6-8 parts of antimony oxide, 15-20 parts of polypropene staple, 15-25 parts of kaolin, white
5-8 parts of carbon black.
5. a kind of cold-resistant Stretch-resistant cable material for high-tension electricity conveying according to claim 4, it is characterised in that: packet
Include following parts by weight proportion: 60 parts of Corvic, 40 parts of ethylene propylene diene rubber, 20 parts of polyurethane rubber, oil-filled butylbenzene
20 parts of rubber, 22 parts of polytetrafluoroethylene (PTFE), 10 parts of plasticizer, 4 parts of antioxidant, 2 parts of fire retardant, 5 parts of stabilizer, 5 parts of crosslinking agent, three
Aoxidize 6 parts of two antimony, 15 parts of polypropene staple, 15 parts of kaolin, 5 parts of white carbon black.
6. a kind of cold-resistant Stretch-resistant cable material for high-tension electricity conveying according to claim 4, it is characterised in that: packet
Include following parts by weight proportion: 70 parts of Corvic, 45 parts of ethylene propylene diene rubber, 25 parts of polyurethane rubber, oil-filled butylbenzene
25 parts of rubber, 24 parts of polytetrafluoroethylene (PTFE), 14 parts of plasticizer, 5 parts of antioxidant, 3.5 parts of fire retardant, 6.5 parts of stabilizer, crosslinking agent
6.5 parts, 7 parts of antimony oxide, 17.5 parts of polypropene staple, 20 parts of kaolin, 6.5 parts of white carbon black.
7. a kind of cold-resistant Stretch-resistant cable material for high-tension electricity conveying according to claim 4, it is characterised in that:
It is matched including following parts by weight: 80 parts of Corvic, 50 parts of ethylene propylene diene rubber, 30 parts of polyurethane rubber, oil-filled fourth
30 parts of benzene rubber, 26 parts of polytetrafluoroethylene (PTFE), 18 parts of plasticizer, 6 parts of antioxidant, 5 parts of fire retardant, 8 parts of stabilizer, 8 parts of crosslinking agent,
8 parts of antimony oxide, 20 parts of polypropene staple, 25 parts of kaolin, 8 parts of white carbon black.
8. a kind of preparation method of cold-resistant Stretch-resistant cable material for high-tension electricity conveying according to claim 1,
It is characterized in that: the following steps are included:
S1) Corvic is added in high-speed mixer and stirs and heats under 1000-1200r/min revolving speed, works as polychlorostyrene
When vinyl temperature reaches 50 DEG C -75 DEG C, plasticizer is added into Corvic, plasticizer is added several times, every time
It is added after the dry extremely stirring of Corvic is not agglomerating when plasticizer is added, after the completion of addition, in 500-800r/min
Under revolving speed, 5-10min is stirred, plasticised polyvinyl chloride resin is obtained；
S2) by ethylene propylene diene rubber, polyurethane rubber, oil-extended styrene buadiene rubber and crosslinking agent put into high-speed mixer in step
Plasticised polyvinyl chloride resin in S1, which stirs to pour into after 5-10min under the conditions of 800-900r/min, carries out mixing in mixer,
Material is respectively once stirred when material temperature is 80-90 DEG C, 100 DEG C -110 DEG C, 120 DEG C -130 DEG C and 140 DEG C -150 DEG C, is made
It is sufficiently mixed, and blowing when material temperature reaches 160 DEG C obtains mixture A；
S3) propylene staple fiber is added in high speed disintegrator and be crushed, it is same polytetrafluoroethylene (PTFE), kaolin, white after crushing 15-20min
Carbon black and antimony oxide are added to the stirring of high-speed mixer high speed, mixing speed 500-700r/min, time 15- together
25min obtains mixed powder B；
S4 it) by mixed powder B, antioxidant and fire retardant obtained in mixture A and S3 obtained in step S2, is added high
In fast mixing machine, be sufficiently stirred so that all material be uniformly mixed, mixing speed 600-800r/min, mixing time 20-30
Min obtains mixture C；
S5) mixture C obtained in step S4 and stabilizer are added in reaction kettle, under the conditions of temperature is 100-110 DEG C
20-25min is reacted, mixture D is made；
S6 mixture D obtained in step S5) is added twin-screw extrude into carry out extruding pelletization, pellet drying is cooled to
Room temperature is to get cold-resistant Stretch-resistant cable material.
9. a kind of preparation method of cold-resistant Stretch-resistant cable material for high-tension electricity conveying according to claim 8,
Be characterized in that: the extrusion temperature of the double screw extruder is 150-160 DEG C, screw speed 60-70r/min.
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| CN201910030959.2A CN109679251A (en) | 2019-01-14 | 2019-01-14 | A kind of cold-resistant Stretch-resistant cable material and preparation method thereof for high-tension electricity conveying |
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| CN111892788A (en) * | 2020-08-18 | 2020-11-06 | 浙江六环电线电缆有限公司 | Corrosion-resistant special cable material |
| CN114479308A (en) * | 2020-11-11 | 2022-05-13 | 苏州亨利通信材料有限公司 | Preparation process of cold-resistant PVC sheath material for power line of electric appliance |
| CN114805736A (en) * | 2022-02-24 | 2022-07-29 | 长春工业大学 | Polyurethane elastomer composite material and preparation method thereof |
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| US20170121195A1 (en) * | 2015-08-20 | 2017-05-04 | Tak Kwong Kwan | Self-sinking aeration hose |
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| CN111892788A (en) * | 2020-08-18 | 2020-11-06 | 浙江六环电线电缆有限公司 | Corrosion-resistant special cable material |
| CN114479308A (en) * | 2020-11-11 | 2022-05-13 | 苏州亨利通信材料有限公司 | Preparation process of cold-resistant PVC sheath material for power line of electric appliance |
| CN114805736A (en) * | 2022-02-24 | 2022-07-29 | 长春工业大学 | Polyurethane elastomer composite material and preparation method thereof |
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