CN109181034A - A kind of power engineering cable sheath material and preparation method thereof - Google Patents
A kind of power engineering cable sheath material and preparation method thereof Download PDFInfo
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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
- C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
- C08L9/02—Copolymers with acrylonitrile
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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
- H01B3/28—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances natural or synthetic rubbers
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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
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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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
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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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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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2312/00—Crosslinking
Abstract
The invention discloses a kind of power engineering cable sheath materials and preparation method thereof, belong to cable jacket material technical field, it is prepared from the following raw materials: nitrile rubber, ethylene propylene diene rubber, chlorosulfonated polyethylene, vulcanizing agent, tetramethylthiuram disulfide, benzoyl peroxide, ethylene-vinyl acetate copolymer, zinc stearate, activated zinc oxide, N, N '-penylene bismaleimide, high-dispersion white carbon black, modified meerschaum powder, nano silica, hydroxy silicon oil, calcine metakaolin powder, phenol-formaldehyde resin modified, antimony oxide, magnesium hydroxide, promotor, anti-aging agent, plasticizer.Cable sheath material of the invention has high mechanical strength, and wearability is good, ageing-resistant, long service life.
Description
Technical field
The present invention relates to cable jacket material technical field more particularly to a kind of power engineering cable sheath material and its systems
Preparation Method.
Background technique
Wire and cable includes electrical circuitry equipment cable, is used as the connecting line of electrical circuitry equipment, there is back panel wiring or external cabling；
Power cable: being used for transmission electric energy, often does underground laying (urban electric power transmission)；Overhead line: also known as bare wire, for specially inputting
Electric energy often does aerial laying, at low cost；Communication cable: it is used for transmission into electric signal；Often it is laid in underground or aerial.Enameled wire:
Also known as winding wire is used for machine winding, converts electrical energy into mechanical energy.Light knits optical cable: optical signal is used for transmission, because having low decline
Subtract performance, is commonly used for the backbone of telecommunications.
Cable sheath material is located at the outside of cable core material, the common structure of conductive core material inside cable sheath material and cable
At cable.Improve cable sheath material flexibility and intensity, for cable material in power engineering long-time service very
It is significant, so far, it is also more to improve cable sheath material wearability, ageing-resistant and mechanical strength method, but it is imitated
Fruit is not significant, it is still desirable to effectively be developed to power engineering with cable sheath material.
By being retrieved to the prior art, Chinese patent (application number: 201210283037.0) disclose it is a kind of multiple
The formula of conjunction electric wire and cable jacket material, including polystyrene, polyamide, anti-wear agent, weather resisting agent, anti-impact modifier are antistatic
Agent and filler, the anti-wear agent are nano alumina material, and weather resisting agent is chlorosulfonated polyethylene rubber, impact modification
Agent is acrylate copolymer, and antistatic agent is aminodithioformic acid, and filler is carbon black.By in polystyrene, polyamides
Multiple additives are added in amine material, so that polystyrene has with the compounded composite electric wire sheath material of polyamide
The features such as good weatherability, anti-torsion, corrosion-resistant, oil resistant, good toughness, at low cost, long service life.But the cable protection of the invention
Cover material is using polystyrene as substrate, and the sheath material brittleness of preparation is big, and wearability and toughness are poor, and the filler added
It is poor with substrate compatibility with anti-wear agent not by surface treatment, to influence the mechanical strength of sheath material.
And Chinese patent (application number: 201610152420.0) disclosing a kind of wear-resisting anti-aging cable sheath material,
Raw material including following parts by weight: 40-60 parts of ethylene propylene diene rubber, 15-30 parts of polyamide 66, modified white sepiolite powder 10-
20 parts, 2-5 parts of antiwear assistant, 10-20 parts of semi-reinforcing hydrocarbon black, 1-4 parts of flame retardant, N- tert-butyl -2-[4-morpholinodithio time sulphonyl
1-2 parts of amine, N, N ' -2-4 parts of penylene bismaleimide, 3-8 parts of stearic acid, zinc dibutyl dithiocarbamate 0.5-1
Part, 0.5-1.5 parts of antioxidant DPPD, 2-5 parts of white oil, DH-32-3 parts of reinforcing agent.The cable sheath material of the invention is single
It is pure to use ethylene propylene diene rubber, there are problems that weatherability and wearability deficiency.
Therefore, it is necessary to a kind of power engineering cable sheath material and preparation method thereof be provided, to solve the prior art
There are the problem of.
Summary of the invention
It is an object of the present invention in view of the deficiencies of the prior art, a kind of power engineering cable sheath material is improved,
With high mechanical strength, wearability is good, ageing-resistant, long service life.
The present invention is achieved by the following technical solutions:
A kind of power engineering cable sheath material, is made of raw material from the following weight: being made of raw material from the following weight:
50 parts of nitrile rubber, 22 parts of ethylene propylene diene rubber, 15 parts of chlorosulfonated polyethylene, 3.5 parts of vulcanizing agent, tetramethylthiuram disulfide
15 parts, 7.5 parts of benzoyl peroxide, 4.5 parts of ethylene-vinyl acetate copolymer, 3 parts of zinc stearate, 5.5 parts of activated zinc oxide,
N, N ' -3.5 parts of penylene bismaleimide, 2 parts of high-dispersion white carbon black, 3 parts of modified meerschaum powder, 4 parts of nano silica,
0.7 part of hydroxy silicon oil, calcining 4 parts of metakaolin powder, 3 parts of phenol-formaldehyde resin modified, 2 parts of antimony oxide, 4.5 parts of magnesium hydroxide,
1 part of promotor, 0.6 part of anti-aging agent, 0.5 part of plasticizer；
Wherein, the sepiolite powder the preparation method comprises the following steps: to weigh sepiolite powder 80-100 DEG C of preheating and drying 1-2 in drying box small
When, 25% ammonia spirit for accounting for sepiolite powder mass percent 3-8% is added, is stirred 1-3 hours at 60-80 DEG C, filtering is gone to sea
Afrodite powder, it is dry, the coupling agent of sepiolite powder quality 1-5% is added, is stirred 6-8 hours at 50-60 DEG C, filters out sepiolite
Powder is put into vacuum oven, 1-2 hours dry under conditions of vacuum degree 0.05-0.1MPa, 80-100 DEG C, at 120-160 DEG C
Lower heating 15-35min, obtains modified meerschaum powder.
Preferably, it is 1:1:1 that the vulcanizing agent is sulphur, vulcanizing agent DCP and auxiliary curing agent TAIC by weight
Mixture.
Preferably, the calcining metakaolin powder powder, preparation method thereof are as follows: metakaolin is sent into calcining furnace, and
Then the sodium carbonate that addition accounts for kaolin weight 10% was crushed 300-400 mesh in 500-600 DEG C of temperature lower calcination 2-4h,
Up to the inclined kaolin powder of calcining.
Preferably, the preparation method of the phenol-formaldehyde resin modified includes: that phenolic resin is put into dehydrated alcohol,
Then the silane coupling agent for accounting for phenolic resin quality 0.3-0.7% is added, ultrasonic treatment 1-3h forms mixed solution, is subsequently placed in
1-2h is placed in 90-100 DEG C of baking oven, then the precuring 1-2h at 120-130 DEG C, be sent into press and solidify 2-4h, solidification temperature
Degree is 160-180 DEG C, and solidifying pressure 1-3MPa obtains phenol-formaldehyde resin modified.
Preferably, the promotor is 2-mercaptobenzothiazole and molybdenum dithiocarbamate is 1 in mass ratio:
2 mixture.
Preferably, the anti-aging agent is antioxidant MB, anti-aging agent RD, antioxidant H, antioxidant 4020 and prevents old
One of agent 4010NA.
Preferably, the plasticizer is by repefral and the chlorinated paraffin mixing of 3:1 in mass ratio
Object.
Preferably, the present invention also provides the preparation methods of above-mentioned power engineering cable sheath material, including
Following steps:
(1) according to parts by weight than weighing each raw material component；
(2) kneading machine is added in nitrile rubber and ethylene propylene diene rubber, 10-15min is kneaded at 110-120 DEG C, is then added
Chlorosulfonated polyethylene and ethylene-vinyl acetate copolymer continue to be kneaded 5-10min, obtain glue stuff compounding 1；
(3) vulcanizing agent, tetramethylthiuram disulfide, benzoyl peroxide, tristearin are added into the glue stuff compounding 1 of step (2)
Sour zinc, activated zinc oxide, N, N '-penylene bismaleimide are kneaded 5-10min, then add high-dispersion white carbon black, change
Property sepiolite powder, nano silica, hydroxy silicon oil, calcining metakaolin powder, phenol-formaldehyde resin modified, antimony oxide and hydrogen-oxygen
Change magnesium, mixing 10-15min starts to discharge when mixer temperature reaches 130-150 DEG C, obtains glue stuff compounding 2 after cooling, standby
With；
(4) glue stuff compounding 2 that promotor, anti-aging agent, plasticizer and step (3) obtain is sent into mixer together,
It is kneaded 5-10min at 100-120 DEG C, obtains jelly；
(5) jelly made from step (4) is put into the mold of vulcanizer, is vulcanized, is cooled to room temperature after vulcanization,
Demoulding obtains the power engineering cable sheath material.
Compared with prior art, the present invention have it is following the utility model has the advantages that
(1) present invention, using it with good physical mechanical property and chemical stability, can be improved using nitrile rubber as major ingredient
The weatherability and mechanical property of cable sheath material, and cooperate and be added to ethylene propylene diene rubber, the two mutually acts synergistically, and improves
Cable sheath material wearability, resistance to ag(e)ing and mechanical strength；Meanwhile in nitrile rubber and ethylene propylene diene rubber Blending Processes
Middle addition chlorosulfonated polyethylene, can promote nitrile rubber and ethylene propylene diene rubber cross-linking reaction, and chlorosulfonated polyethylene again may be used
Cross-linking reaction is carried out with nitrile rubber, ethylene propylene diene rubber, so that it is strong to improve the wearability of sheath material, resistance to ag(e)ing and machinery
Degree；The ethylene-vinyl acetate copolymer additionally incorporated has good compatibilization effect, it can be achieved that the good compatibility of system.
(2) present invention is by being added vulcanizing agent, tetramethylthiuram disulfide, benzoyl peroxide and N, N '-penylene
Bismaleimide carries out collaboration vulcanization, to ensure that curingprocess rate and vulcanization effect, and by addition zinc stearate and
Activated zinc oxide has activation to rubber cross reaction, accelerates the speed of vulcanization, improves the machine of cable sheath material
Tool intensity；
(3) high-dispersion white carbon black, modified meerschaum powder, nano silica and the calcining metakaolin powder and electricity that the present invention adds
Cable sheath base-material has preferable compatibility, to improve the wearability of cable sheath material, ageing-resistant and mechanical strength.
(4) phenol-formaldehyde resin modified that the present invention adds has preferable dispersibility in cable cover(ing) base-material, and utilizes
Itself has caking property, the binding force of each component in system can be improved, to improve the wearability and machinery of cable sheath material
Intensity.
Specific embodiment
Below by specific embodiment, the present invention is further described, it is noted that for the ordinary skill of this field
For personnel, without departing from the principle of the present invention, several variations and modifications can also be made, these also should be regarded as belonging to
Protection scope of the present invention.
Embodiment 1
The power engineering cable sheath material of the present embodiment, is made of raw material from the following weight: 40 parts of nitrile rubber, ternary
15 parts of EP rubbers, 10 parts of chlorosulfonated polyethylene, 2 parts of vulcanizing agent, 10 parts of tetramethylthiuram disulfide, benzoyl peroxide 5
Part, 3 parts of ethylene-vinyl acetate copolymer, 2 parts of zinc stearate, 3 parts of activated zinc oxide, N, N '-penylene bismaleimide 2
Part, 1 part of high-dispersion white carbon black, 2 parts of modified meerschaum powder, 3 parts of nano silica, 0.5 part of hydroxy silicon oil, calcining metakaolin
3 parts of powder, 2 parts of phenol-formaldehyde resin modified, 1 part of antimony oxide, 3 parts of magnesium hydroxide, 0.5 part of promotor, 0.4 part of anti-aging agent, plasticising
0.3 part of agent.
Wherein, the vulcanizing agent is the mixture that sulphur, vulcanizing agent DCP and auxiliary curing agent TAIC are 1:1:1 by weight.
Wherein, the sepiolite powder the preparation method comprises the following steps: to weigh sepiolite powder 80 DEG C of preheating and dryings 1 in drying box small
When, 25% ammonia spirit for accounting for sepiolite powder mass percent 3% is added, is stirred 1 hour at 60 DEG C, filters out sepiolite powder,
It is dry, the coupling agent of sepiolite powder quality 1% is added, is stirred 6 hours at 50 DEG C, filters out sepiolite powder, be put into vacuum drying
Case, it is 1 hour dry under conditions of vacuum degree 0.05MPa, 80 DEG C, 15min is heated at 120 DEG C, obtains modified meerschaum powder.
Wherein, the calcining metakaolin powder powder, preparation method thereof are as follows: metakaolin is sent into calcining furnace, and is added and accounts for height
Then the sodium carbonate of ridge soil weight 10% was crushed 300-400 mesh in 500 DEG C of temperature lower calcination 2h to get higher age is calcined
Native powder.
Wherein, the preparation method of the phenol-formaldehyde resin modified includes: that phenolic resin is put into dehydrated alcohol, is then added
The silane coupling agent of phenolic resin quality 0.3% is accounted for, ultrasonic treatment 1h forms mixed solution, is subsequently placed in 90 DEG C of baking ovens and places
1h, then the precuring 1h at 120 DEG C, is sent into press and solidifies 2h, and solidification temperature is 160 DEG C, and solidifying pressure 1MPa is obtained
Phenol-formaldehyde resin modified.
Wherein, the promotor is the mixing that 2-mercaptobenzothiazole and molybdenum dithiocarbamate are 1:2 in mass ratio
Object.
Wherein, the anti-aging agent is antioxidant MB, anti-aging agent RD, antioxidant H, antioxidant 4020 and antioxidant 4010NA
One of.
Wherein, the plasticizer is by repefral and the chlorinated paraffin mixture of 3:1 in mass ratio.
Wherein, the present invention also provides the preparation methods of above-mentioned power engineering cable sheath material, comprising the following steps:
(1) according to parts by weight than weighing each raw material component；
(2) kneading machine is added in nitrile rubber and ethylene propylene diene rubber, 10min is kneaded at 110 DEG C, it is poly- that chlorosulfonation is then added
Ethylene and ethylene-vinyl acetate copolymer continue to be kneaded 5min, obtain glue stuff compounding 1；
(3) vulcanizing agent, tetramethylthiuram disulfide, benzoyl peroxide, tristearin are added into the glue stuff compounding 1 of step (2)
Sour zinc, activated zinc oxide, N, N '-penylene bismaleimide are kneaded 5min, then add high-dispersion white carbon black, modification
Sepiolite powder, nano silica, hydroxy silicon oil, calcining metakaolin powder, phenol-formaldehyde resin modified, antimony oxide and hydroxide
Magnesium, mixing 10min start to discharge when mixer temperature reaches 130 DEG C, obtain glue stuff compounding 2 after cooling, spare；
(4) glue stuff compounding 2 that promotor, anti-aging agent, plasticizer and step (3) obtain is sent into mixer together, 100
It is kneaded 5min at DEG C, obtains jelly；
(5) jelly made from step (4) is put into the mold of vulcanizer, is vulcanized, is cooled to room temperature after vulcanization,
Demoulding obtains the power engineering cable sheath material.
Embodiment 2
The power engineering cable sheath material of the present embodiment, is made of raw material from the following weight: 60 parts of nitrile rubber, ternary
30 parts of EP rubbers, 20 parts of chlorosulfonated polyethylene, 5 parts of vulcanizing agent, 20 parts of tetramethylthiuram disulfide, benzoyl peroxide 10
Part, 6 parts of ethylene-vinyl acetate copolymer, 4 parts of zinc stearate, 8 parts of activated zinc oxide, N, N '-penylene bismaleimide 5
Part, 3 parts of high-dispersion white carbon black, 4 parts of modified meerschaum powder, 5 parts of nano silica, 1 part of hydroxy silicon oil, calcining metakaolin powder
5 parts, 4 parts of phenol-formaldehyde resin modified, 3 parts of antimony oxide, 6 parts of magnesium hydroxide, 1.5 parts of promotor, 0.8 part of anti-aging agent, plasticizer
0.7 part.
Wherein, the vulcanizing agent is the mixture that sulphur, vulcanizing agent DCP and auxiliary curing agent TAIC are 1:1:1 by weight.
Wherein, the sepiolite powder the preparation method comprises the following steps: to weigh sepiolite powder 100 DEG C of preheating and dryings 2 in drying box small
When, 25% ammonia spirit for accounting for sepiolite powder mass percent 8% is added, is stirred 3 hours at 80 DEG C, filters out sepiolite powder,
It is dry, the coupling agent of sepiolite powder quality 5% is added, is stirred 8 hours at 60 DEG C, filters out sepiolite powder, be put into vacuum drying
Case, it is 2 hours dry under conditions of vacuum degree 0.1MPa, 100 DEG C, 35min is heated at 160 DEG C, obtains modified meerschaum powder.
Wherein, the calcining metakaolin powder powder, preparation method thereof are as follows: metakaolin is sent into calcining furnace, and is added and accounts for height
Then the sodium carbonate of ridge soil weight 10% was crushed 300-400 mesh in 600 DEG C of temperature lower calcination 4h to get higher age is calcined
Native powder.
Wherein, the preparation method of the phenol-formaldehyde resin modified includes: that phenolic resin is put into dehydrated alcohol, is then added
The silane coupling agent of phenolic resin quality 0.7% is accounted for, ultrasonic treatment 3h forms mixed solution, is subsequently placed in 100 DEG C of baking ovens and places
2h, then the precuring 2h at 130 DEG C, is sent into press and solidifies 4h, and solidification temperature is 180 DEG C, and solidifying pressure 3MPa is obtained
Phenol-formaldehyde resin modified.
Wherein, the promotor is the mixing that 2-mercaptobenzothiazole and molybdenum dithiocarbamate are 1:2 in mass ratio
Object.
Wherein, the anti-aging agent is antioxidant MB, anti-aging agent RD, antioxidant H, antioxidant 4020 and antioxidant 4010NA
One of.
Wherein, the plasticizer is by repefral and the chlorinated paraffin mixture of 3:1 in mass ratio.
Wherein, the present invention also provides the preparation methods of above-mentioned power engineering cable sheath material, comprising the following steps:
(1) according to parts by weight than weighing each raw material component；
(2) kneading machine is added in nitrile rubber and ethylene propylene diene rubber, 15min is kneaded at 120 DEG C, it is poly- that chlorosulfonation is then added
Ethylene and ethylene-vinyl acetate copolymer continue to be kneaded 10min, obtain glue stuff compounding 1；
(3) vulcanizing agent, tetramethylthiuram disulfide, benzoyl peroxide, tristearin are added into the glue stuff compounding 1 of step (2)
Sour zinc, activated zinc oxide, N, N '-penylene bismaleimide are kneaded 10min, then add high-dispersion white carbon black, modification
Sepiolite powder, nano silica, hydroxy silicon oil, calcining metakaolin powder, phenol-formaldehyde resin modified, antimony oxide and hydroxide
Magnesium, mixing 15min start to discharge when mixer temperature reaches 150 DEG C, obtain glue stuff compounding 2 after cooling, spare；
(4) glue stuff compounding 2 that promotor, anti-aging agent, plasticizer and step (3) obtain is sent into mixer together, 120
It is kneaded 10min at DEG C, obtains jelly；
(5) jelly made from step (4) is put into the mold of vulcanizer, is vulcanized, is cooled to room temperature after vulcanization,
Demoulding obtains the power engineering cable sheath material.
Embodiment 3
The power engineering cable sheath material of the present embodiment, is made of raw material from the following weight: 50 parts of nitrile rubber, ternary
22 parts of EP rubbers, 15 parts of chlorosulfonated polyethylene, 3.5 parts of vulcanizing agent, 15 parts of tetramethylthiuram disulfide, benzoyl peroxide
7.5 parts, 4.5 parts of ethylene-vinyl acetate copolymer, 3 parts of zinc stearate, 5.5 parts of activated zinc oxide, N, N '-penylene span come
3.5 parts of acid imide, 3 parts of modified meerschaum powder, 4 parts of nano silica, 0.7 part of hydroxy silicon oil, is forged 2 parts of high-dispersion white carbon black
Burn 4 parts of metakaolin powder, 3 parts of phenol-formaldehyde resin modified, 2 parts of antimony oxide, 4.5 parts of magnesium hydroxide, 1 part of promotor, anti-aging agent
0.6 part, 0.5 part of plasticizer.
Wherein, the vulcanizing agent is the mixture that sulphur, vulcanizing agent DCP and auxiliary curing agent TAIC are 1:1:1 by weight.
Wherein, the sepiolite powder the preparation method comprises the following steps: to weigh sepiolite powder 90 DEG C of preheating and drying 1-2 in drying box small
When, 25% ammonia spirit for accounting for sepiolite powder mass percent 5% is added, is stirred 2 hours at 70 DEG C, filters out sepiolite powder,
It is dry, the coupling agent of sepiolite powder quality 1-5% is added, is stirred 7 hours at 55 DEG C, filters out sepiolite powder, it is dry to be put into vacuum
Dry case, it is 1.5 hours dry under conditions of vacuum degree 0.07MPa, 90 DEG C, 25min is heated at 140 DEG C, obtains modified Hai Pao
Mountain flour.
Wherein, the calcining metakaolin powder powder, preparation method thereof are as follows: metakaolin is sent into calcining furnace, and is added and accounts for height
Then the sodium carbonate of ridge soil weight 10% was crushed 300-400 mesh in 550 DEG C of temperature lower calcination 3h to get higher age is calcined
Native powder.
Wherein, the preparation method of the phenol-formaldehyde resin modified includes: that phenolic resin is put into dehydrated alcohol, is then added
The silane coupling agent of phenolic resin quality 0.5% is accounted for, ultrasonic treatment 2h forms mixed solution, is subsequently placed in 95 DEG C of baking ovens and places
1.5h, then the precuring 1.5h at 125 DEG C, is sent into press and solidifies 3h, and solidification temperature is 170 DEG C, solidifying pressure 2MPa,
Obtain phenol-formaldehyde resin modified.
Wherein, the promotor is the mixing that 2-mercaptobenzothiazole and molybdenum dithiocarbamate are 1:2 in mass ratio
Object.
Wherein, the anti-aging agent is antioxidant MB, anti-aging agent RD, antioxidant H, antioxidant 4020 and antioxidant 4010NA
One of.
Wherein, the plasticizer is by repefral and the chlorinated paraffin mixture of 3:1 in mass ratio.
Wherein, the present invention also provides the preparation methods of above-mentioned power engineering cable sheath material, comprising the following steps:
(1) according to parts by weight than weighing each raw material component；
(2) kneading machine is added in nitrile rubber and ethylene propylene diene rubber, 13min is kneaded at 115 DEG C, it is poly- that chlorosulfonation is then added
Ethylene and ethylene-vinyl acetate copolymer continue to be kneaded 7.5min, obtain glue stuff compounding 1；
(3) vulcanizing agent, tetramethylthiuram disulfide, benzoyl peroxide, tristearin are added into the glue stuff compounding 1 of step (2)
Sour zinc, activated zinc oxide, N, N '-penylene bismaleimide are kneaded 7.5min, then add high-dispersion white carbon black, change
Property sepiolite powder, nano silica, hydroxy silicon oil, calcining metakaolin powder, phenol-formaldehyde resin modified, antimony oxide and hydrogen-oxygen
Change magnesium, mixing 13min starts to discharge when mixer temperature reaches 140 DEG C, obtains glue stuff compounding 2 after cooling, spare；
(4) glue stuff compounding 2 that promotor, anti-aging agent, plasticizer and step (3) obtain is sent into mixer together, 110
It is kneaded 7.5min at DEG C, obtains jelly；
(5) jelly made from step (4) is put into the mold of vulcanizer, is vulcanized, is cooled to room temperature after vulcanization,
Demoulding obtains the power engineering cable sheath material.
Embodiment 4
The power engineering cable sheath material of the present embodiment, is made of raw material from the following weight: 45 parts of nitrile rubber, ternary
20 parts of EP rubbers, 12 parts of chlorosulfonated polyethylene, 3 parts of vulcanizing agent, 12 parts of tetramethylthiuram disulfide, benzoyl peroxide 6
Part, 4 parts of ethylene-vinyl acetate copolymer, 2.5 parts of zinc stearate, 4 parts of activated zinc oxide, N, N '-penylene bismaleimide
3 parts, 1.5 parts of high-dispersion white carbon black, 2.5 parts of modified meerschaum powder, 3.5 parts of nano silica, 0.6 part of hydroxy silicon oil, calcining
3.5 parts of metakaolin powder, 1.5 parts of antimony oxide, 4 parts of magnesium hydroxide, 0.8 part of promotor, is prevented 2.5 parts of phenol-formaldehyde resin modified
0.5 part of old agent, 0.4 part of plasticizer.
Wherein, the vulcanizing agent is the mixture that sulphur, vulcanizing agent DCP and auxiliary curing agent TAIC are 1:1:1 by weight.
Wherein, the sepiolite powder the preparation method comprises the following steps: to weigh sepiolite powder 85 DEG C of preheating and drying 1-2 in drying box small
When, 25% ammonia spirit for accounting for sepiolite powder mass percent 4% is added, is stirred 1.5 hours at 65 DEG C, filters out sepiolite
Powder, it is dry, the coupling agent of sepiolite powder quality 1-5% is added, is stirred 6.5 hours at 53 DEG C, filters out sepiolite powder, be put into
Vacuum oven, it is 1.3 hours dry under conditions of vacuum degree 0.06MPa, 85 DEG C, 20min is heated at 130 DEG C, is changed
Property sepiolite powder.
Wherein, the calcining metakaolin powder powder, preparation method thereof are as follows: metakaolin is sent into calcining furnace, and is added and accounts for height
The sodium carbonate of ridge soil weight 10%, in 520 DEG C of temperature lower calcination 2.5h, it is higher to get calcining then to be crushed 300-400 mesh
Age soil powder.
Wherein, the preparation method of the phenol-formaldehyde resin modified includes: that phenolic resin is put into dehydrated alcohol, is then added
The silane coupling agent of phenolic resin quality 0.4% is accounted for, ultrasonic treatment 1.5h forms mixed solution, is subsequently placed in 92 DEG C of baking ovens and puts
1.2h is set, then the precuring 12.h at 123 DEG C, be sent into press and solidify 2.5h, solidification temperature is 165 DEG C, and solidifying pressure is
1.5MPa obtains phenol-formaldehyde resin modified.
Wherein, the promotor is the mixing that 2-mercaptobenzothiazole and molybdenum dithiocarbamate are 1:2 in mass ratio
Object.
Wherein, the anti-aging agent is antioxidant MB, anti-aging agent RD, antioxidant H, antioxidant 4020 and antioxidant 4010NA
One of.
Wherein, the plasticizer is by repefral and the chlorinated paraffin mixture of 3:1 in mass ratio.
Wherein, the present invention also provides the preparation methods of above-mentioned power engineering cable sheath material, comprising the following steps:
(1) according to parts by weight than weighing each raw material component；
(2) kneading machine is added in nitrile rubber and ethylene propylene diene rubber, 12min is kneaded at 112 DEG C, it is poly- that chlorosulfonation is then added
Ethylene and ethylene-vinyl acetate copolymer continue to be kneaded 6min, obtain glue stuff compounding 1；
(3) vulcanizing agent, tetramethylthiuram disulfide, benzoyl peroxide, tristearin are added into the glue stuff compounding 1 of step (2)
Sour zinc, activated zinc oxide, N, N '-penylene bismaleimide are kneaded 6min, then add high-dispersion white carbon black, modification
Sepiolite powder, nano silica, hydroxy silicon oil, calcining metakaolin powder, phenol-formaldehyde resin modified, antimony oxide and hydroxide
Magnesium, mixing 12min start to discharge when mixer temperature reaches 135 DEG C, obtain glue stuff compounding 2 after cooling, spare；
(4) glue stuff compounding 2 that promotor, anti-aging agent, plasticizer and step (3) obtain is sent into mixer together, 105
It is kneaded 6min at DEG C, obtains jelly；
(5) jelly made from step (4) is put into the mold of vulcanizer, is vulcanized, is cooled to room temperature after vulcanization,
Demoulding obtains the power engineering cable sheath material.
Embodiment 5
The power engineering cable sheath material of the present embodiment, is made of raw material from the following weight: 55 parts of nitrile rubber, ternary
25 parts of EP rubbers, 18 parts of chlorosulfonated polyethylene, 4 parts of vulcanizing agent, 18 parts of tetramethylthiuram disulfide, benzoyl peroxide 9
Part, 5 parts of ethylene-vinyl acetate copolymer, 3.5 parts of zinc stearate, 7 parts of activated zinc oxide, N, N '-penylene bismaleimide
4 parts, 2.5 parts of high-dispersion white carbon black, 3.5 parts of modified meerschaum powder, 4.5 parts of nano silica, 0.8 part of hydroxy silicon oil, calcining
4.5 parts of metakaolin powder, 2.5 parts of antimony oxide, 5 parts of magnesium hydroxide, 1.2 parts of promotor, is prevented 3.5 parts of phenol-formaldehyde resin modified
0.7 part of old agent, 0.6 part of plasticizer.
Wherein, the vulcanizing agent is the mixture that sulphur, vulcanizing agent DCP and auxiliary curing agent TAIC are 1:1:1 by weight.
Wherein, the sepiolite powder the preparation method comprises the following steps: to weigh sepiolite powder 95 DEG C of preheating and dryings 1.8 in drying box small
When, 25% ammonia spirit for accounting for sepiolite powder mass percent 7% is added, is stirred 2.5 hours at 75 DEG C, filters out sepiolite
Powder, it is dry, the coupling agent of sepiolite powder quality 1-5% is added, is stirred 7.5 hours at 58 DEG C, filters out sepiolite powder, be put into
Vacuum oven, it is 1.8 hours dry under conditions of vacuum degree 0.08MPa, 95 DEG C, 30min is heated at 150 DEG C, is changed
Property sepiolite powder.
Wherein, the calcining metakaolin powder powder, preparation method thereof are as follows: metakaolin is sent into calcining furnace, and is added and accounts for height
The sodium carbonate of ridge soil weight 10%, in 580 DEG C of temperature lower calcination 3.5h, it is higher to get calcining then to be crushed 300-400 mesh
Age soil powder.
Wherein, the preparation method of the phenol-formaldehyde resin modified includes: that phenolic resin is put into dehydrated alcohol, is then added
The silane coupling agent of phenolic resin quality 0.6% is accounted for, ultrasonic treatment 2.5h forms mixed solution, is subsequently placed in 98 DEG C of baking ovens and puts
1-2h is set, then the precuring 1.8h at 128 DEG C, be sent into press and solidify 3.5h, solidification temperature is 175 DEG C, and solidifying pressure is
2.5MPa obtains phenol-formaldehyde resin modified.
Wherein, the promotor is the mixing that 2-mercaptobenzothiazole and molybdenum dithiocarbamate are 1:2 in mass ratio
Object.
Wherein, the anti-aging agent is antioxidant MB, anti-aging agent RD, antioxidant H, antioxidant 4020 and antioxidant 4010NA
One of.
Wherein, the plasticizer is by repefral and the chlorinated paraffin mixture of 3:1 in mass ratio.
Wherein, the present invention also provides the preparation methods of above-mentioned power engineering cable sheath material, comprising the following steps:
(1) according to parts by weight than weighing each raw material component；
(2) kneading machine is added in nitrile rubber and ethylene propylene diene rubber, 14min is kneaded at 118 DEG C, it is poly- that chlorosulfonation is then added
Ethylene and ethylene-vinyl acetate copolymer continue to be kneaded 5-10min, obtain glue stuff compounding 1；
(3) vulcanizing agent, tetramethylthiuram disulfide, benzoyl peroxide, tristearin are added into the glue stuff compounding 1 of step (2)
Sour zinc, activated zinc oxide, N, N '-penylene bismaleimide are kneaded 9min, then add high-dispersion white carbon black, modification
Sepiolite powder, nano silica, hydroxy silicon oil, calcining metakaolin powder, phenol-formaldehyde resin modified, antimony oxide and hydroxide
Magnesium, mixing 14min start to discharge when mixer temperature reaches 145 DEG C, obtain glue stuff compounding 2 after cooling, spare；
(4) glue stuff compounding 2 that promotor, anti-aging agent, plasticizer and step (3) obtain is sent into mixer together, 115
It is kneaded 9min at DEG C, obtains jelly；
(5) jelly made from step (4) is put into the mold of vulcanizer, is vulcanized, is cooled to room temperature after vulcanization,
Demoulding obtains the power engineering cable sheath material.
Comparative example 1
Referring to a kind of Chinese patent (application number: 201210283037.0) electric wire and cable jacket material that embodiment is prepared.
Comparative example 2
Referring to a kind of Chinese patent (application number: 201610152420.0) cable sheath material that embodiment is prepared.
Comparative example 3
In addition to saving ethylene propylene diene rubber, material content and step and embodiment 1 are unanimously.
Comparative example 4
In addition to saving chlorosulfonated polyethylene, material content and step and embodiment 1 are unanimously.
Comparative example 5
In addition to by the tetramethyl autumn, blue, benzoyl peroxide is saved, material content and step and embodiment 1 are unanimously.
Comparative example 6
In addition to saving ethylene-vinyl acetate copolymer, material content and step and embodiment 1 are unanimously.
Comparative example 7
In addition to saving modified meerschaum powder, material content and step and embodiment 1 are unanimously.
Comparative example 8
In addition to saving phenol-formaldehyde resin modified, material content and step and embodiment 1 are unanimously.
Experimental example
It is tested according to 1-5 of the embodiment of the present invention with cable sheath material prepared by comparative example 1-8, concrete outcome is shown in Table 1.
1 performance test results of table
As it can be seen from table 1 the performance indexes of the cable sheath material of the embodiment of the present invention is superior to the electricity in comparative example
Cable sheath material, and it is better than other realities according to the performance of cable sheath material made from 3 preparation process of embodiment and material content
Example is applied, and by comparative example 3-8 it is found that by increasing ethylene propylene diene rubber, chlorosulfonated polyethylene, two in cable sheath material
Vulcanize tetra methylthiuram, benzoyl peroxide, ethylene-vinyl acetate copolymer, phenol-formaldehyde resin modified and sepiolite powder can be with
Improve wearability, the ageing-resistant and mechanical strength of cable sheath material.
In conclusion creativeness of the invention is concentrated mainly on the following aspects:
(1) present invention, using it with good physical mechanical property and chemical stability, can be improved using nitrile rubber as major ingredient
The weatherability and mechanical property of cable sheath material, and cooperate and be added to ethylene propylene diene rubber, the two mutually acts synergistically, and improves
Cable sheath material wearability, resistance to ag(e)ing and mechanical strength；Meanwhile in nitrile rubber and ethylene propylene diene rubber Blending Processes
Middle addition chlorosulfonated polyethylene, can promote nitrile rubber and ethylene propylene diene rubber cross-linking reaction, and chlorosulfonated polyethylene again may be used
Cross-linking reaction is carried out with nitrile rubber, ethylene propylene diene rubber, so that it is strong to improve the wearability of sheath material, resistance to ag(e)ing and machinery
Degree；The ethylene-vinyl acetate copolymer additionally incorporated has good compatibilization effect, it can be achieved that the good compatibility of system.
(2) present invention is by being added vulcanizing agent, tetramethylthiuram disulfide, benzoyl peroxide and N, N '-penylene
Bismaleimide carries out collaboration vulcanization, to ensure that curingprocess rate and vulcanization effect, and by addition zinc stearate and
Activated zinc oxide has activation to rubber cross reaction, accelerates the speed of vulcanization, improves the machine of cable sheath material
Tool intensity；
(3) high-dispersion white carbon black, modified meerschaum powder, nano silica and the calcining metakaolin powder and electricity that the present invention adds
Cable sheath base-material has preferable compatibility, to improve the wearability of cable sheath material, ageing-resistant and mechanical strength.
(4) phenol-formaldehyde resin modified that the present invention adds has preferable dispersibility in cable cover(ing) base-material, and utilizes
Itself has caking property, the binding force of each component in system can be improved, to improve the wearability and machinery of cable sheath material
Intensity.
The above is only a preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
Those of ordinary skill for, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (8)
1. a kind of power engineering cable sheath material, which is characterized in that be made of raw material from the following weight: by following weight
The raw material of part is made: 50 parts of nitrile rubber, 22 parts of ethylene propylene diene rubber, 15 parts of chlorosulfonated polyethylene, 3.5 parts of vulcanizing agent, two sulphur
Change 15 parts of tetra methylthiuram, 7.5 parts of benzoyl peroxide, 4.5 parts of ethylene-vinyl acetate copolymer, 3 parts of zinc stearate, live
Property 5.5 parts of zinc oxide, N, N ' -3.5 parts of penylene bismaleimide, 3 parts of modified meerschaum powder, are received 2 parts of high-dispersion white carbon black
Rice 4 parts of silica, 0.7 part of hydroxy silicon oil, calcining 4 parts of metakaolin powder, 3 parts of phenol-formaldehyde resin modified, 2 parts of antimony oxide,
4.5 parts of magnesium hydroxide, 1 part of promotor, 0.6 part of anti-aging agent, 0.5 part of plasticizer；
Wherein, the sepiolite powder the preparation method comprises the following steps: to weigh sepiolite powder 80-100 DEG C of preheating and drying 1-2 in drying box small
When, 25% ammonia spirit for accounting for sepiolite powder mass percent 3-8% is added, is stirred 1-3 hours at 60-80 DEG C, filtering is gone to sea
Afrodite powder, it is dry, the coupling agent of sepiolite powder quality 1-5% is added, is stirred 6-8 hours at 50-60 DEG C, filters out sepiolite
Powder is put into vacuum oven, 1-2 hours dry under conditions of vacuum degree 0.05-0.1MPa, 80-100 DEG C, at 120-160 DEG C
Lower heating 15-35min, obtains modified meerschaum powder.
2. power engineering cable sheath material according to claim 1, which is characterized in that the vulcanizing agent be sulphur,
Vulcanizing agent DCP and auxiliary curing agent TAIC is the mixture of 1:1:1 by weight.
3. power engineering cable sheath material according to claim 1, which is characterized in that the calcining metakaolin powder
Powder, preparation method thereof are as follows: metakaolin is sent into calcining furnace, and the sodium carbonate for accounting for kaolin weight 10% is added, at 500-600 DEG C
Then temperature lower calcination 2-4h was crushed 300-400 mesh to get inclined kaolin powder is calcined.
4. power engineering cable sheath material according to claim 1, which is characterized in that the phenol-formaldehyde resin modified
Preparation method includes: that phenolic resin is put into dehydrated alcohol, and the silane idol for accounting for phenolic resin quality 0.3-0.7% is then added
Join agent, ultrasonic treatment 1-3h forms mixed solution, is subsequently placed in 90-100 DEG C of baking oven and places 1-2h, then at 120-130 DEG C
Lower precuring 1-2h is sent into press and solidifies 2-4h, and solidification temperature is 160-180 DEG C, and solidifying pressure 1-3MPa is modified
Phenolic resin.
5. power engineering cable sheath material according to claim 1, which is characterized in that the promotor is 2- sulfydryl
Benzothiazole and molybdenum dithiocarbamate are the mixture of 1:2 in mass ratio.
6. power engineering cable sheath material according to claim 1, which is characterized in that the anti-aging agent is anti-old
One of agent MB, anti-aging agent RD, antioxidant H, antioxidant 4020 and antioxidant 4010NA.
7. power engineering cable sheath material according to claim 1, which is characterized in that the plasticizer is by adjacent benzene two
Formic acid dimethyl ester and the chlorinated paraffin mixture of 3:1 in mass ratio.
8. the preparation method of power engineering cable sheath material according to claim 1-8, which is characterized in that
The following steps are included:
(1) according to parts by weight than weighing each raw material component；
(2) kneading machine is added in nitrile rubber and ethylene propylene diene rubber, 10-15min is kneaded at 110-120 DEG C, is then added
Chlorosulfonated polyethylene and ethylene-vinyl acetate copolymer continue to be kneaded 5-10min, obtain glue stuff compounding 1；
(3) vulcanizing agent, tetramethylthiuram disulfide, benzoyl peroxide, tristearin are added into the glue stuff compounding 1 of step (2)
Sour zinc, activated zinc oxide, N, N '-penylene bismaleimide are kneaded 5-10min, then add high-dispersion white carbon black, change
Property sepiolite powder, nano silica, hydroxy silicon oil, calcining metakaolin powder, phenol-formaldehyde resin modified, antimony oxide and hydrogen-oxygen
Change magnesium, mixing 10-15min starts to discharge when mixer temperature reaches 130-150 DEG C, obtains glue stuff compounding 2 after cooling, standby
With；
(4) glue stuff compounding 2 that promotor, anti-aging agent, plasticizer and step (3) obtain is sent into mixer together,
It is kneaded 5-10min at 100-120 DEG C, obtains jelly；
(5) jelly made from step (4) is put into the mold of vulcanizer, is vulcanized, is cooled to room temperature after vulcanization,
Demoulding obtains the power engineering cable sheath material.
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| CN201810833224.9A CN109181034A (en) | 2018-07-26 | 2018-07-26 | A kind of power engineering cable sheath material and preparation method thereof |
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| CN201810833224.9A CN109181034A (en) | 2018-07-26 | 2018-07-26 | A kind of power engineering cable sheath material and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113896997A (en) * | 2021-11-03 | 2022-01-07 | 爱普高分子技术宜兴有限公司 | Sheath material for 105-degree wind power cable |
| CN117050437A (en) * | 2023-09-12 | 2023-11-14 | 潍坊潍星联合橡塑有限公司 | Oil-resistant high-temperature-resistant mining cable sheath material |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102964699A (en) * | 2012-11-13 | 2013-03-13 | 安徽春辉仪表线缆集团有限公司 | Incinerated pottery clay modified ethylene propylene diene copolymer cable material |
| CN105255019A (en) * | 2015-10-16 | 2016-01-20 | 安徽蓝德集团股份有限公司 | EPDM (ethylene propylene diene monomer) rubber insulated/jacketed cable with high strength, oil resistance and aging resistance |
| CN106916380A (en) * | 2015-12-25 | 2017-07-04 | 天长市高新技术创业服务中心 | Modified CABLE MATERIALS of a kind of potter's clay and preparation method thereof |
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2018
- 2018-07-26 CN CN201810833224.9A patent/CN109181034A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102964699A (en) * | 2012-11-13 | 2013-03-13 | 安徽春辉仪表线缆集团有限公司 | Incinerated pottery clay modified ethylene propylene diene copolymer cable material |
| CN105255019A (en) * | 2015-10-16 | 2016-01-20 | 安徽蓝德集团股份有限公司 | EPDM (ethylene propylene diene monomer) rubber insulated/jacketed cable with high strength, oil resistance and aging resistance |
| CN106916380A (en) * | 2015-12-25 | 2017-07-04 | 天长市高新技术创业服务中心 | Modified CABLE MATERIALS of a kind of potter's clay and preparation method thereof |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113896997A (en) * | 2021-11-03 | 2022-01-07 | 爱普高分子技术宜兴有限公司 | Sheath material for 105-degree wind power cable |
| CN113896997B (en) * | 2021-11-03 | 2023-07-25 | 爱普高分子技术宜兴有限公司 | Sheath material for 105-degree wind power cable |
| CN117050437A (en) * | 2023-09-12 | 2023-11-14 | 潍坊潍星联合橡塑有限公司 | Oil-resistant high-temperature-resistant mining cable sheath material |
| CN117050437B (en) * | 2023-09-12 | 2024-01-26 | 潍坊潍星联合橡塑有限公司 | Oil-resistant high-temperature-resistant mining cable sheath material |
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