CN110294887A - A kind of cable super low-temperature resistant sheath - Google Patents
A kind of cable super low-temperature resistant sheath Download PDFInfo
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- CN110294887A CN110294887A CN201910445128.1A CN201910445128A CN110294887A CN 110294887 A CN110294887 A CN 110294887A CN 201910445128 A CN201910445128 A CN 201910445128A CN 110294887 A CN110294887 A CN 110294887A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/08—Copolymers of ethene
- C08L23/0807—Copolymers of ethene with unsaturated hydrocarbons only containing more than three carbon atoms
- C08L23/0815—Copolymers of ethene with aliphatic 1-olefins
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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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- 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
- 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
- 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 a kind of cable super low-temperature resistant sheath, the component including following mass parts: 20~25 parts of natural rubber, 10~18 parts of nitrile rubber, 15~25 parts of acrylic rubber, 25~35 parts of ethylene octene copolymer, cold-resistant 14~20 parts of modified additive, 6~10 parts of white carbon black, 6~10 parts of glass fibre, 3~5 parts of di-iron trioxide, nano-oxide 4~6,2~4 parts of anti-aging agent, 12~15 parts of plasticizer, 1~2 part of γ-mercaptopropyl trimethoxysilane；Preparation method includes the cold-resistant modified additive of preparation, cold-resistant material is modified, protective cover material squeezes out and rubber strainer four steps of filtering；Good flexibility can be kept at -50 DEG C~-70 DEG C using the sheath that raw material components proportion of the invention is prepared, elongation at break can achieve 272%~386%, and tensile strength can achieve 33~44MPa.
Description
Technical field
The present invention relates to cable cover(ing) technical fields, and in particular to a kind of cable super low-temperature resistant sheath.
Background technique
Cable cover(ing) is the outermost layer of cable, and common cable sheath material has polyethylene, polyvinyl chloride, neoprene
Deng.Outermost material of the cable cover(ing) as cable, is affected to the comprehensive performance of cable, not only requires excellent
Physical property, such as tensile strength, elongation at break, while also needing to possess good resistance to low temperature etc.；Especially one
A little ice box, cable usually require to be erected in subzero 50 DEG C of environment, and this requires cables to have higher lower temperature resistance
Energy.
Although and the primary raw material General Purpose Rubber in current cable cover(ing) have low temperature resistant performance, due in sheath
Various plasticizer, coupling agent and the surfactant etc. of addition can reduce the resistance to low temperature of rubber, the meeting in ultra-low temperature surroundings
The phenomenon that appearance sheath is hardened or even serious embrittlement cracks；The embrittlement cracking of sheath can form non-uniform electric field at cracking, and
It is possible that generating breakdown, cable is caused to be scrapped, or even cause damages to environment or people.
Summary of the invention
In view of the above-mentioned problems existing in the prior art, this application provides a kind of cable super low-temperature resistant sheaths.
Technical scheme is as follows:
A kind of cable super low-temperature resistant sheath, the component including following mass parts: 20~25 parts of natural rubber, nitrile rubber
10~18 parts, it is 15~25 parts of acrylic rubber, 25~35 parts of ethylene octene copolymer, cold-resistant 14~20 parts of modified additive, white
6~10 parts of carbon black, glass fibre, 6~10 parts, 3~5 parts of di-iron trioxide, nano-oxide 4~6,2~4 parts of anti-aging agent, increasing
Mould 12~15 parts of agent, 1~2 part of γ-mercaptopropyl trimethoxysilane；Preparation method includes the following steps:
(1) it prepares cold-resistant modified additive: being 3~5 parts of montmorillonite nano-clay and 5~8 parts of morpholine by mass fraction
Mixing is added 60~70 parts of haloflex and stirs evenly, heats 30min at 60~70 DEG C, be cooled to room temperature；It adds
Well-mixed 5~10 parts of potassium amine, 3~4 parts of allyl alcohol, 4~6 parts of Sodium Polyacrylate and 5~8 parts of dihydroxymethyl
Propionic acid stirs evenly；It is eventually adding and is heated to 80~95 DEG C of 2~4 parts of dodecyl trimethyl ammonium chloride, stir evenly
After dry；
(2) material that resists cold is modified: by the mass fraction of above-mentioned each raw material by natural rubber natural rubber, nitrile rubber, third
Olefin(e) acid ester rubber, ethylene octene copolymer are uniformly mixed, and the cold-resistant modified additive of step (1) preparation are added, at 100~120 DEG C
20~30min of lower heating, is cooled to room temperature, and obtains modified cold-resistant material；
(3) protective cover material squeezes out: the cold-resistant material of the modification that step (2) is obtained and white carbon black, glass fibre, three oxidations two
Iron, nano-oxide, anti-aging agent, plasticizer, γ-mercaptopropyl trimethoxysilane are sufficiently stirred, and are added to after mixing close
In mill, with 90~120 DEG C at a temperature of 10~20min of mixing squeeze out；
(4) rubber strainer filters: the protective cover material that step (3) is obtained is thin 1~2 time logical on a mill, and puts glue 2~3 times,
It puts into rubber strainer filtering into strips, is cooled to room temperature.
Preferably, the nano-oxide is the mixture of the nano magnesia that mass ratio is 2:3 and nano silica.
Preferably, the nano magnesia is modified Nano magnesia, is through stearic acid at 75 DEG C of temperature, modification time 50min, hard ester
Modification obtains under the conditions of sour dosage 5.2%.Preferably, the nano silica is super-hydrophobic nano silica.
Preferably, the plasticizer is cold resistant plasticizer, including mass fraction be 2~4 parts diisodecyl adipate (DIDA), 1
~2 parts of hexamethylphosphoramide and the 2 of 3~5 parts, 2,4- trimethyl -1,3- pentanediol diisobutyrates.
Preferably, the anti-aging agent includes 2~4 parts of p-phenylenediamine, 3~6 parts of ethoxyquinolines and 1~2 part of N- isopropyl
Benzene-N '-diphenyl-para-phenylene diamine.
The present invention is beneficial to be had the technical effect that
(1) present invention is using cold-resistant modified additive to natural rubber natural rubber, nitrile rubber, acrylic rubber, second
Alkene octene copolymer carries out cold-resistant modification, and the sheath being prepared can keep good flexibility at -50 DEG C~-70 DEG C,
Elongation at break can achieve 272%~386%, and tensile strength can achieve 33~44MPa.
It (2), can according to the raw material of the cold-resistant modified additive of the present invention, the cold-resistant modified additive with the preparation of when preparation method
Effectively improve the tolerance to cold of each raw material such as rubber in sheath, and after being mixed with plasticizer, coupling agent and surfactant etc. its
Tolerance to cold is not substantially reduced.
(3) present invention in sheath raw material by adding the magnesia and receive that nano-oxide, especially mass ratio are 2:3
The mixture of rice silica, effectively can inhibit space charge to gather, improve anti-breakdown strength and volume resistivity, prevent electricity
Breakdown accident is freeed；Furthermore by the nano magnesia and nano silica of doping hydrophobic property, the table of sheath can be improved
Face smoothness makes sleet be not easy adhesion and aggregation on the surface of cable, to improve the ability of anti-ice-snow.
(4) present invention is by further selecting diisodecyl adipate (DIDA), hexamethylphosphoramide and 2,2,4- trimethyls-
1,3- pentanediol diisobutyrate can be further improved Integral shield sleeve super by cold resistant plasticizer made of mass fraction proportion
Elongation at break under low temperature, and can reduce the elasticity modulus of sheath, modulus of shearing, so that sheath is more soft, intensity
Higher, flexibility and wearability are more preferable.
(5) γ-three oxysilane of mercapto propyl can be used as coupling agent, and can be used as surfactant, improve high intensity
Compatibility in silicone rubber component between organic substance and inorganic substances, so that being kneaded full and uniform, raising between material each component
The physical mechanical property of product, further increases cold resistance, wearability, tear resistance, flexibility of material etc..
Specific embodiment
The present invention is specifically described below.Obviously, described embodiments are only a part of the embodiments of the present invention,
Instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative labor
Every other embodiment obtained under the premise of dynamic, shall fall within the protection scope of the present invention.
Embodiment 1
The cable super low-temperature resistant and anti-ice-snow sheath of the present embodiment, the component including following mass parts: natural rubber 20
Part, 10 parts of nitrile rubber, 15 parts of acrylic rubber, 25 parts of ethylene octene copolymer, cold-resistant 14 parts of modified additive, white carbon black 6
Part, 6 parts of glass fibre, 3 parts of di-iron trioxide, 4 parts of nano-oxide, 2 parts of anti-aging agent, 12 parts of plasticizer, γ-mercapto propyl front three
1 part of oxysilane.Nano-oxide is nano magnesia in the present embodiment, and anti-aging agent is p-phenylenediamine, and plasticizer is adipic acid
Diisodecyl ester.
Preparation method includes the following steps:
(1) it prepares cold-resistant modified additive: the montmorillonite nano-clay that mass fraction is 3 parts being mixed with 5 parts of morpholine, is added
Enter 60 parts of haloflex to stir evenly, heats 30min at 60~70 DEG C, be cooled to room temperature；Add well-mixed 5
The potassium amine, 3 parts of allyl alcohol, 4 parts of Sodium Polyacrylate and 58 parts of dihydromethyl propionic acid of part, stir evenly；It is eventually adding
It is heated to 80~95 DEG C of 2~4 parts of dodecyl trimethyl ammonium chloride, is dried after mixing evenly；
(2) material that resists cold is modified: by the mass fraction of above-mentioned each raw material by natural rubber natural rubber, nitrile rubber, third
Olefin(e) acid ester rubber, ethylene octene copolymer are uniformly mixed, and the cold-resistant modified additive of step (1) preparation are added, at 100~120 DEG C
20~30min of lower heating, is cooled to room temperature, and obtains modified cold-resistant material；
(3) protective cover material squeezes out: the cold-resistant material of the modification that step (2) is obtained and white carbon black, glass fibre, three oxidations two
Iron, nano-oxide, anti-aging agent, plasticizer, γ-mercaptopropyl trimethoxysilane are sufficiently stirred, and are added to after mixing close
In mill, with 90~120 DEG C at a temperature of 10~20min of mixing squeeze out；
(4) rubber strainer filters: the protective cover material that step (3) is obtained is thin 1~2 time logical on a mill, and puts glue 2~3 times,
It puts into rubber strainer filtering into strips, is cooled to room temperature.
Embodiment 2
The cable super low-temperature resistant and anti-ice-snow sheath of the present embodiment, the component including following mass parts: natural rubber 25
Part, 18 parts of nitrile rubber, 25 parts of acrylic rubber, 35 parts of ethylene octene copolymer, cold-resistant 20 parts of modified additive, white carbon black 10
Part, 10 parts of glass fibre, 5 parts of di-iron trioxide, 6 parts of nano-oxide, 4 parts of anti-aging agent, 16 parts of plasticizer, γ-mercapto propyl three
2 parts of methoxy silane.Nano-oxide is nano silica in the present embodiment, and anti-aging agent is ethoxyquinoline, and plasticizer is
Hexamethylphosphoramide.
Preparation method includes the following steps:
(1) it prepares cold-resistant modified additive: mass fraction is mixed for 5 parts of montmorillonite nano-clay and 5~8 parts of morpholine
It closes, 70 parts of haloflex is added and stirs evenly, heats 30min at 60~70 DEG C, is cooled to room temperature；It adds sufficiently mixed
10 parts of potassium amine, 4 parts of the allyl alcohol, 6 parts of Sodium Polyacrylate and 8 parts of dihydromethyl propionic acid closed, stirs evenly；Finally
It is heated to 80~95 DEG C of 4 parts of dodecyl trimethyl ammonium chloride, is dried after mixing evenly；
(2) material that resists cold is modified: by the mass fraction of above-mentioned each raw material by natural rubber natural rubber, nitrile rubber, third
Olefin(e) acid ester rubber, ethylene octene copolymer are uniformly mixed, and the cold-resistant modified additive of step (1) preparation are added, at 100~120 DEG C
20~30min of lower heating, is cooled to room temperature, and obtains modified cold-resistant material；
(3) protective cover material squeezes out: the cold-resistant material of the modification that step (2) is obtained and white carbon black, glass fibre, three oxidations two
Iron, nano-oxide, anti-aging agent, plasticizer, γ-mercaptopropyl trimethoxysilane are sufficiently stirred, and are added to after mixing close
In mill, with 90~120 DEG C at a temperature of 10~20min of mixing squeeze out；
(4) rubber strainer filters: the protective cover material that step (3) is obtained is thin 1~2 time logical on a mill, and puts glue 2~3 times,
It puts into rubber strainer filtering into strips, is cooled to room temperature.
Embodiment 3
The cable super low-temperature resistant and anti-ice-snow sheath of the present embodiment, the component including following mass parts: natural rubber 22
Part, 15 parts of nitrile rubber, 20 parts of acrylic rubber, 28 parts of ethylene octene copolymer, cold-resistant 17 parts of modified additive, white carbon black 8
Part, 8 parts of glass fibre, 4 parts of di-iron trioxide, nano-oxide 4~6,3 parts of anti-aging agent, 13 parts of plasticizer, γ-mercapto propyl three
2 parts of methoxy silane.Wherein, cold-resistant modified additive includes the component of following mass parts: 65 parts of haloflex, 7 parts of potassium amine, alkene
4 parts of propyl alcohol, 5 parts of Sodium Polyacrylate, 6 parts of dihydromethyl propionic acid, 4 parts of montmorillonite nano-clay, 6 parts of morpholine, dodecyl three
3 parts of ammonio methacrylate.Nano-oxide is nano-titanium dioxide in the present embodiment, and anti-aging agent is N- isopropylbenzene-N '-phenyl to benzene
Diamines, plasticizer 2,2,4- trimethyl -1,3- pentanediol diisobutyrate.
Preparation method includes the following steps:
(1) it prepares cold-resistant modified additive: the montmorillonite nano-clay that mass fraction is 4 parts being mixed with 6 parts of morpholine, is added
Enter 65 parts of haloflex to stir evenly, heats 30min at 60~70 DEG C, be cooled to room temperature；Add well-mixed 7
The potassium amine, 4 parts of allyl alcohol, 5 parts of Sodium Polyacrylate and 6 parts of dihydromethyl propionic acid of part, stir evenly；It is eventually adding and adds
Heat is dried after mixing evenly to 80~95 DEG C of 3 parts of dodecyl trimethyl ammonium chloride；
(2) material that resists cold is modified: by the mass fraction of above-mentioned each raw material by natural rubber natural rubber, nitrile rubber, third
Olefin(e) acid ester rubber, ethylene octene copolymer are uniformly mixed, and the cold-resistant modified additive of step (1) preparation are added, at 100~120 DEG C
20~30min of lower heating, is cooled to room temperature, and obtains modified cold-resistant material；
(3) protective cover material squeezes out: the cold-resistant material of the modification that step (2) is obtained and white carbon black, glass fibre, three oxidations two
Iron, nano-oxide, anti-aging agent, plasticizer, γ-mercaptopropyl trimethoxysilane are sufficiently stirred, and are added to after mixing close
In mill, with 90~120 DEG C at a temperature of 10~20min of mixing squeeze out；
(4) rubber strainer filters: the protective cover material that step (3) is obtained is thin 1~2 time logical on a mill, and puts glue 2~3 times,
It puts into rubber strainer filtering into strips, is cooled to room temperature.
Embodiment 4
The present embodiment difference from Example 3 is that nano-oxide is the nano magnesia and receive that mass ratio is 2:3
The mixture of rice silica；And nano magnesia is modified Nano magnesia, is through stearic acid at 75 DEG C of temperature, modification time
50min, it is modified under the conditions of stearic acid dosage 5.2% to obtain；The activation index of modified Nano magnesia obtained under this condition
95.8%, dispersibility is 89.1%.The surface of stearic acid and nano magnesia forms chemical bond.Modified nano magnesia
Surface becomes hydrophobicity from hydrophily.Nano silica is the super-hydrophobic nano titanium dioxide obtained by existing method of modifying
Silicon.
It, can by adding the mixture of the nano magnesia that mass ratio is 2:3 and nano silica in sheath raw material
Effectively space charge to be inhibited to gather, anti-breakdown strength and volume resistivity are improved, prevents electrical breakdown accident from freeing；Furthermore pass through
The nano magnesia and nano silica for adulterating hydrophobic property, can be improved the surface flatness of sheath, keep sleet not easy to stick
The attached surface for being gathered in cable, to improve the ability of anti-ice-snow.
Embodiment 5
The present embodiment is on the basis of embodiment 4, in order to further increase the super cold resistant ability of sheath, use plasticizer for
Cold resistant plasticizer is 2~4 parts of diisodecyl adipate (DIDA), 1~2 part of hexamethylphosphoramide and 3~5 including mass fraction
2,2,4- trimethyl -1,3- pentanediol diisobutyrates of part.
By further selecting diisodecyl adipate (DIDA), hexamethylphosphoramide and 2,2,4- trimethyl -1,3- pentanediols
Diisobutyrate can be further improved Integral shield sleeve under ultra low temperature by cold resistant plasticizer made of mass fraction proportion
Elongation at break, and can reduce the elasticity modulus of sheath, modulus of shearing, so that sheath is more soft, intensity is higher, flexibility
It is more preferable with wearability.
Embodiment 6
For the present embodiment on the basis of embodiment 5, it is 2~4 parts of p-phenylenediamine, 3~6 that selection anti-aging agent, which is mass fraction,
Part ethoxyquinoline and 1~2 part of N- isopropylbenzene-N '-diphenyl-para-phenylene diamine.The anti-aging agent of the component proportion can effectively improve
Anti-aging ability under severe cold temperatures.
Comparative example 1
This comparative example is not the difference from embodiment 1 is that add cold-resistant modifying agent, i.e. the cable of this comparative example is with super resistance to low
Temperature and anti-ice-snow sheath, the component including following mass parts: 20 parts of natural rubber, 10 parts of nitrile rubber, acrylic rubber 15
Part, is prevented always 25 parts of ethylene octene copolymer, 6 parts of white carbon black, 6 parts of glass fibre, 3 parts of di-iron trioxide, 4 parts of nano-oxide
2 parts of agent, 12 parts of plasticizer, 1 part of γ-mercaptopropyl trimethoxysilane.
Comparative example 2
This comparative example is not the difference from embodiment 1 is that add nano-oxide, i.e. the cable of this comparative example is with super resistance to low
Temperature and anti-ice-snow sheath, the component including following mass parts: 20 parts of natural rubber, 10 parts of nitrile rubber, acrylic rubber 15
Part, cold-resistant 14 parts of modified additive, 6 parts of white carbon black, 6 parts of glass fibre, 3 parts of di-iron trioxide, is prevented at 25 parts of ethylene octene copolymer
2 parts of old agent, 12 parts of plasticizer, 1 part of γ-mercaptopropyl trimethoxysilane.
Properties test, test result comparison are carried out to cable jacket prepared by Examples 1 to 6 and comparative example 1 and 2
It is shown in Table 1.
The sheath performance test results of 1 embodiment of the present invention of table and comparative example preparation
The present invention is pungent to natural rubber natural rubber, nitrile rubber, acrylic rubber, ethylene using cold-resistant modified additive
Alkene copolymer carries out cold-resistant modification, and the sheath being prepared can keep good flexibility at -50 DEG C~-70 DEG C, is broken
Elongation can achieve 272%~386%, and tensile strength can achieve 33~44MPa.According to the cold-resistant modified additive of the present invention
Raw material, the cold-resistant modified additive with the preparation of when preparation method, can effectively improve the cold-resistant energy of each raw material such as rubber in sheath
Power, and its tolerance to cold is not substantially reduced after mixing with plasticizer, coupling agent and surfactant etc..
Although the embodiments of the present invention have been disclosed as above, but its is not only in the description and the implementation listed
With it can be fully applied to various fields suitable for the present invention, for those skilled in the art, for ability
For the those of ordinary skill in domain, these embodiments can be carried out without departing from the principles and spirit of the present invention more
Kind change, modification, replacement and modification, therefore without departing from the general concept defined in the claims and the equivalent scope, this hair
It is bright to be not limited to specific details.
Claims (6)
1. a kind of cable super low-temperature resistant sheath, which is characterized in that the component including following mass parts: natural rubber 20~25
Part, 10~18 parts of nitrile rubber, 15~25 parts of acrylic rubber, 25~35 parts of ethylene octene copolymer, cold-resistant modified additive
14~20 parts, 6~10 parts of white carbon black, 6~10 parts of glass fibre, 3~5 parts of di-iron trioxide, nano-oxide 4~6, anti-aging agent
2~4 parts, 12~15 parts of plasticizer, 1~2 part of γ-mercaptopropyl trimethoxysilane；Preparation method includes the following steps:
(1) it prepares cold-resistant modified additive: the montmorillonite nano-clay that mass fraction is 3~5 parts is mixed with 5~8 parts of morpholine,
60~70 parts of haloflex is added to stir evenly, heats 30min at 60~70 DEG C, is cooled to room temperature；It adds sufficiently
5~10 parts of potassium amine, 3~4 parts of allyl alcohol, 4~6 parts of Sodium Polyacrylate and 5~8 parts of the dihydroxymethyl third of mixing
Acid stirs evenly；It is eventually adding and is heated to 80~95 DEG C of 2~4 parts of dodecyl trimethyl ammonium chloride, dry after mixing evenly
It is dry；
(2) material that resists cold is modified: by the mass fraction of above-mentioned each raw material by natural rubber natural rubber, nitrile rubber, acrylic acid
Ester rubber, ethylene octene copolymer are uniformly mixed, and the cold-resistant modified additive of step (1) preparation is added, and are added at 100~120 DEG C
20~30min of heat, is cooled to room temperature, and obtains modified cold-resistant material；
(3) protective cover material squeezes out: by modification that step (2) obtains resist cold material and white carbon black, glass fibre, di-iron trioxide, receive
Rice oxide, anti-aging agent, plasticizer, γ-mercaptopropyl trimethoxysilane are sufficiently stirred, and are added to mixer after mixing
In, with 90~120 DEG C at a temperature of 10~20min of mixing squeeze out；
(4) rubber strainer filters: the protective cover material that step (3) is obtained is thin 1~2 time logical on a mill, and puts glue 2~3 times, puts into
Rubber strainer filters into strips, is cooled to room temperature.
2. cable according to claim 1 super low-temperature resistant sheath, which is characterized in that the nano-oxide is mass ratio
For the nano magnesia of 2:3 and the mixture of nano silica.
3. cable according to claim 2 super low-temperature resistant sheath, which is characterized in that the nano magnesia is that modification is received
Rice magnesia is that modification obtains under the conditions of 75 DEG C of temperature, modification time 50min, stearic acid dosage 5.2% through stearic acid.
4. cable according to claim 2 super low-temperature resistant sheath, which is characterized in that the nano silica is super thin
Water nano silica.
5. cable according to claim 1 super low-temperature resistant sheath, which is characterized in that the plasticizer is cold-resistant plasticising
Agent, including mass fraction be 2~4 parts of diisodecyl adipate (DIDA), 1~2 part of hexamethylphosphoramide and the 2,2 of 3~5 parts,
4- trimethyl -1,3- pentanediol diisobutyrate.
6. cable according to claim 1 super low-temperature resistant sheath, which is characterized in that the anti-aging agent includes 2~4 parts right
Phenylenediamine, 3~6 parts of ethoxyquinolines and 1~2 part of N- isopropylbenzene-N '-diphenyl-para-phenylene diamine.
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| CN201910445128.1A CN110294887A (en) | 2019-05-27 | 2019-05-27 | A kind of cable super low-temperature resistant sheath |
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| CN201910445128.1A CN110294887A (en) | 2019-05-27 | 2019-05-27 | A kind of cable super low-temperature resistant sheath |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112126182A (en) * | 2020-09-27 | 2020-12-25 | 镇江市华银仪表电器有限公司 | Cold-resistant rubber cable sheath material |
| CN112321759A (en) * | 2020-11-18 | 2021-02-05 | 浙江大学 | Polyolefin with low shear modulus and application thereof |
| CN113871076A (en) * | 2021-10-15 | 2021-12-31 | 四川省新都美河线缆厂 | Super low temperature resistant soft type cable |
| CN114400112A (en) * | 2022-01-20 | 2022-04-26 | 安徽鸿海电缆有限公司 | Cold-resistant flexible mobile cable |
| CN114400109A (en) * | 2021-12-31 | 2022-04-26 | 福建成田科技有限公司 | Novel high-molecular polymer cable |
| CN114989505A (en) * | 2022-07-11 | 2022-09-02 | 安徽埃克森科技集团有限公司 | Preparation method of low-temperature-resistant cable for aerospace |
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| CN105255072A (en) * | 2015-10-16 | 2016-01-20 | 安徽蓝德集团股份有限公司 | Rubber cable sheathing material resistant to high and low temperature |
| CN107868289A (en) * | 2017-11-30 | 2018-04-03 | 明光市裕阳新材料有限公司 | A kind of fire-retardant low temperature resistant weather-proof high-performance rubber and preparation method thereof |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112126182A (en) * | 2020-09-27 | 2020-12-25 | 镇江市华银仪表电器有限公司 | Cold-resistant rubber cable sheath material |
| CN112321759A (en) * | 2020-11-18 | 2021-02-05 | 浙江大学 | Polyolefin with low shear modulus and application thereof |
| CN112321759B (en) * | 2020-11-18 | 2022-04-12 | 浙江大学 | Polyolefin with low shear modulus and application thereof |
| CN113871076A (en) * | 2021-10-15 | 2021-12-31 | 四川省新都美河线缆厂 | Super low temperature resistant soft type cable |
| CN114400109A (en) * | 2021-12-31 | 2022-04-26 | 福建成田科技有限公司 | Novel high-molecular polymer cable |
| CN114400109B (en) * | 2021-12-31 | 2023-07-21 | 福建成田科技有限公司 | Novel high-molecular polymer cable |
| CN114400112A (en) * | 2022-01-20 | 2022-04-26 | 安徽鸿海电缆有限公司 | Cold-resistant flexible mobile cable |
| CN114400112B (en) * | 2022-01-20 | 2023-06-09 | 安徽鸿海电缆有限公司 | Cold-resistant flexible mobile cable |
| CN114989505A (en) * | 2022-07-11 | 2022-09-02 | 安徽埃克森科技集团有限公司 | Preparation method of low-temperature-resistant cable for aerospace |
| CN114989505B (en) * | 2022-07-11 | 2023-08-08 | 安徽埃克森科技集团有限公司 | Preparation method of low-temperature-resistant cable for aerospace |
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