CN108034118A - The high voltage direct current cable material and preparation method of a kind of high intensity - Google Patents
The high voltage direct current cable material and preparation method of a kind of high intensity Download PDFInfo
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- CN108034118A CN108034118A CN201810029924.2A CN201810029924A CN108034118A CN 108034118 A CN108034118 A CN 108034118A CN 201810029924 A CN201810029924 A CN 201810029924A CN 108034118 A CN108034118 A CN 108034118A
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- 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
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- 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
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- C08K7/24—Expanded, porous or hollow particles inorganic
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- C08K9/10—Encapsulated ingredients
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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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- 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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- 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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Abstract
The invention belongs to cable preparing technical field, and in particular to the high voltage direct current cable material and preparation method of a kind of high intensity.A kind of preparation method of the high voltage direct current cable material of high intensity of the present invention, the porous oxidation nickel sheet for being loaded with nano magnesia is added in organic siliconresin prepolymer, dispersant and heating stirring are added at the same time, subsequent binder resin curing is homogeneous to obtain the nano magnesia of coating modification, is scattered in cable matrix resin and high voltage direct current cable material is made.Particle is loaded by using magnetic carrier, binder resin, conducting particles and additive can be rapid, homogeneous be attached to magnetic core surfaces, the technical process of coating modification is simple and efficient, so that nano magnesia dispersiveness improves, so that cable suppression space charge accumulation characteristic is more preferable, cable machinery strength enhancing, can meet that high voltage direct current cable transmission of electricity requires.
Description
Technical field
The invention belongs to cable preparing technical field, and in particular to a kind of high voltage direct current cable material of high intensity and preparation side
Method.
Background technology
In order to reduce influence of the greenhouse effects to weather, the whole world just in extensive development green energy resource, exploitation solar energy,
Wind energy and tidal power generation etc..Wind-power electricity generation, tidal power generation, solar power generation etc. can be had unstable power supply by direct current transportation
The power quality level linked up with electric system without influencing power grid.
It is well known that HVDC transmission line cost is low, small, no reactive power is lost, is easy to connect, is easy to control
And adjusting, it has been widely adopted in long distance powedr transmission.In addition, the working field strength of insulation DC electric cable insulation is high, insulation
Thickness is thin, the outside diameter of cable is small, light-weight, manufacture installation easily, current-carrying capacity is big, no alternating current magnetic field, has advantage in terms of environmental protection.
Therefore direct current high tension transmission cable is the important class in high voltage power transmission as a part indispensable in DC transmission system
Topic.
Direct current high voltage cable, for electrostatic painting, electrostatic separation, the flow directing device of quiet flocking and other weak current high pressures
In, do power supply lead wire.The general high voltage construction of cable is by core, inner insulating layer, semiconductor layer, steel armour, filler material, external insulation layer
Deng composition.The cable of different use, material used is different, but core is all copper or aluminium, and what application was most now is aluminium,
Copper is somewhat expensive, only just has application in 35kV and above cable.
Chinese invention patent application number application number 201510347222.5 discloses a kind of high voltage direct current cable material and its system
Preparation Method.A kind of high voltage direct current cable material and preparation method thereof is provided.The cable material is including in parts by mass with the following group
Point：90~100 parts of low density polyethylene (LDPE)s, 0.5~3.5 part of modified Nano magnesia, 0.1~0.5 part of atoleine, 0.001~
0.08 part of antioxidant 300 and 0.001~2.5 part of benzil class compound.Method provided by the invention uses roller ball mill legal system
Standby modified Nano magnesia, then high voltage direct current cable material is made in raw material premix, finally granulation.Cable material prepared by this programme
There is excellent suppression space charge accumulation characteristic under 40kV/mm, high breakdown field strength, can meet 100kV high voltage direct current cables
Transmission of electricity requires.
Chinese invention patent application number application number 201510504909.5 discloses a kind of high straightening of recyclable thermoplasticity
The preparation method of galvanic electricity cable nano-composite insulating material.It is nano combined absolutely to be related to a kind of recyclable thermoplasticity high voltage direct current cable
The preparation method of edge material, belongs to transmission facility technical field.This method includes：By isotactic polypropylene, polyolefin elastomer, warp
Magnesium oxide nanoparticle, antioxidant, fire retardant and the processing aid of surface treatment are at 180~200 DEG C, 40~60r/min of rotating speed
It is lower to be kneaded 10~15 minutes thermoplasticity high voltage direct current cable nano-composite insulating materials for being made recyclable.It is proposed by the present invention can
The thermoplasticity high voltage direct current cable nano-composite insulating material of recycling using the blend of isotactic polypropylene and polyolefin elastomer as
Basis, the mechanical performance of material is effectively improved by adding polyolefin elastomer, is received by adding surface treated magnesia
Rice grain suppresses space charge accumulation well.The insulating materials prepared by this method is resistant to high work field strength and work
Make temperature, effectively suppress the accumulation of material internal space charge, and can be recycled after projected life is reached, not to environment
Damage.
Chinese invention patent application number application number 201610589886.7 discloses high voltage direct current electric wire cable insulation material
And its preparation process.High voltage direct current electric wire cable insulation material and its preparation process are disclosed, is prepared by the following raw material：First
Base vinylsiloxane rubber, organic siliconresin, terpene resin, polyvinylidene chloride, 3- hexyls substituting polythiophene, haloflex,
Nickel oxide, praseodymium oxide, carbon quantum dot, aerosil, 2,2 '-(1,2- second diyl dioxygen generations) double ethyl mercaptans, pitch base carbon
Fiber, itaconic acid, castor oil acid calcium, gamma-mercaptopropyltriethoxysilane, propylene-ethylene semi-crystalline co-polymers, ethylene-octene
Copolymer, benzoin dimethylether, calcium hydroxide, trioctyl trimellitate (TOTM), lead orthoplumbate.Insulating materials provided by the invention
Tensile strength is higher than 17MPa, and elongation at break 230%, progress vdct is shown not under the conditions of 120kV, 15min
Breakdown；And ageing-resistant performance is good after vdct, service life length, is highly suitable as high voltage direct current electric wire electricity
Cable insulating materials extensive use.
It is increasingly in short supply with electric power resource, the shortcomings of traditional ac transmission mode is due to height loss, high cost and have
The trend substituted by the plastic high voltage direct current transportation mode of low-loss, low cost.Cross-linking by-products can promote space charge
Accumulation, very many influences are caused on direct current cables insulation：Cause the highest field strength in dielectric due to space charge accumulation
Reach 8 times of extra electric field, cause medium to puncture；Meanwhile it will accelerate due to the presence of space charge in cable insulation
Its electric branch develops and aging.Filling inorganic nanoparticles can suppress space charge accumulation, but compatibility is too poor can cause electricity
Cable mechanical performance is unstable, and intensity is low.
The content of the invention
In view of the deficiencies of the prior art, the present invention proposes a kind of the high voltage direct current cable material and preparation method of high intensity, its
Technology point is that the porous oxidation nickel sheet for being loaded with nano magnesia is added in organic siliconresin prepolymer, while is added scattered
Agent and heating stirring, subsequent binder resin curing is homogeneous to obtain the nano magnesia of coating modification.It is scattered in cable matrix
High voltage direct current cable material is made in resin.Its remarkable result is using magnetic carrier load particle, binder resin, conducting particles
Rapid, homogeneous magnetic core surfaces can be attached to additive, the technical process of coating modification is simple and efficient so that nanometer
Magnesium oxide dispersion improves, so that cable suppresses, space charge accumulation characteristic is more preferable, and cable machinery strength enhancing, can meet height
Direct current cables transmission of electricity is pressed to require.
To solve the above problems, the present invention uses following technical scheme：
A kind of preparation method of the high voltage direct current cable material of high intensity, comprises the following steps：
A, by the dissolving of nanometer nickel chloride in deionized water, ammonium hydroxide is added dropwise while stirring, rear plus nano magnesium chloride is added dropwise, then
1~2h is stirred, the mixed solution that pH value is 8~11 is obtained, is transferred in reaction kettle, 10~15h, reaction are reacted at 150~200 DEG C
After reaction solution centrifuged, wash, 5~8h is dried in vacuo at 60~80 DEG C, obtained product is moved back in Muffle furnace
Fire reaction, annealing reaction temperature are 300~500 DEG C, and the reaction time is 1~3h, obtain the nano magnesia that is loaded with of black
Porous oxidation nickel sheet；Wherein, the mass ratio of nanometer nickel chloride and nanometer magnesium chloride is 1~5:0.5~2；
B, by methyl:Phenyl:Silico ethylene group:The molar ratio of silicon hydrogen group is（30~70）:（10~30）:（5~20）:（5~
20）Meter, takes corresponding silico ethylene base monomer and silicon hydrogen monomer to mix, is added drop-wise to 20~60 DEG C of water and the mixed solvent of toluene
Middle progress cohydrolysis 3~5h of polycondensation, is then concentrated at 80~140 DEG C, then extracts solvent and low-boiling-point substance, that is, had
Machine silicone prepolymer；
C, the porous nickel oxide for being loaded with nano magnesia for obtaining step a is added to the organosilicon tree that b step is prepared
In fat prepolymer, while dispersant is added, heated, stirred, cured, obtain the nano material of organic siliconresin coating modification；Its
In, the mass ratio of the porous nickel oxide and organic siliconresin prepolymer that are loaded with nano magnesia is 1~5:30~60；
D, in mixer, cable matrix resin, antioxidant is mixed, 5~10min is kneaded at 130~180 DEG C, treats matrix
After resin melting, the nano material for the organic siliconresin coating modification that step c is prepared is added, continues 5~10min of mixing,
Crosslinking agent is eventually adding, then is kneaded 10~15min, obtains high voltage direct current cable material；Wherein, the cable matrix resin, antioxygen
The mass ratio of agent, the nano material of organic siliconresin coating modification and crosslinking agent is 50~80:0.05~0.5:0.5~3:0.1
~3.
Further, ammonia concn in the preparation method of the high voltage direct current cable material of above-mentioned a kind of high intensity, wherein a steps
For 6mol/L.
Further, nanometer chlorination in the preparation method of the high voltage direct current cable material of above-mentioned a kind of high intensity, wherein a steps
The mass ratio of nickel and nanometer magnesium chloride is 3:1.Nanometer nickel chloride has special magnetic property, usual body nickel chloride or its bulk
Anti-ferromagnetism is presented and there is higher Neel temperature, but when anti-ferromagnetism nickel oxide particle is reduced in size to nanoscale
When, since surface magnetic moment and internal magnetic moment are offset not exclusively, they show abnormal magnetic property, such as superantiferromagnetism, spin
Glassy state even class ferromagnetic property.
Nano magnesia is a kind of new inorganic functional material, due to different from the light of bulk material, electricity, magnetic,
The performances such as heat, chemistry and machinery, are widely used in the research such as electronics, catalysis, ceramics and environment and microorganism and are led with application
Domain, in recent years since nano magnesia has the property of light, electricity, magnetic etc., in terms of super high voltage direct current electricity transmission cable
It is used widely, cable can be made to improve anti-corrosion, acidproof, the performance such as high temperature resistance, improves job stability under mal-condition.This hair
Bright inventor has found by lot of experiments, and high-purity (99.9%) nano magnesia of 0.5~2wt% is mixed in cable material
Space charge effect can be effectively reduced, improves the dc breakdown intensity of cable material, meets the requirement mirror of super high voltage direct current electricity transmission
In the important function of nano magnesia.
Further, a kind of preparation method of the high voltage direct current cable material of above-mentioned high intensity, wherein methyl in b step:Benzene
Base:Silico ethylene group:The molar ratio of silicon hydrogen group is 50:20:10:10.
Further, the preparation method of the high voltage direct current cable material of above-mentioned a kind of high intensity, silicon second wherein described in b step
Alkenyl monomer is methylvinyldichlorosilane, methyl ethylene dimethoxy or dimethylvinylmethoxysiiane, ethene
At least one of base trichlorosilane, vinyltrimethoxysilane.
Further, the preparation method of the high voltage direct current cable material of above-mentioned a kind of high intensity, silicon hydrogen wherein described in b step
Monomer is at least one of methyl hydrogen dichlorosilane, methyl hydrogen diethoxy silane, dimethyl hydrogen Ethoxysilane.
Further, the preparation method of the high voltage direct current cable material of above-mentioned a kind of high intensity, water and toluene wherein in b step
Volume ratio be 10~60:90~40.
Further, a kind of preparation method of the high voltage direct current cable material of above-mentioned high intensity, wherein heating-up temperature in step c
For 60~100 DEG C.
Further, the preparation method of the high voltage direct current cable material of above-mentioned a kind of high intensity, cable wherein described in Step d
Matrix resin is at least one of nylon, polypropylene, polyethylene, low density polyvinyl-chloride.
A kind of a kind of high voltage direct current cable material for the high intensity being prepared the present invention also provides above-mentioned preparation method.
A kind of preparation method of the high voltage direct current cable material of high intensity of the present invention, will be loaded with the porous oxygen of nano magnesia
Change nickel sheet to be added in organic siliconresin prepolymer, while add dispersant and heating stirring, subsequent binder resin cures homogeneous
The nano magnesia of coating modification is obtained, is scattered in cable matrix resin and high voltage direct current cable material is made.By using
Magnetic carrier loads particle, and what binder resin, conducting particles and additive can be rapid, homogeneous is attached to magnetic core surfaces, bag
It is simple and efficient to cover modified technical process so that nano magnesia dispersiveness improves, so that cable suppresses space charge product
Poly- characteristic is more preferable, cable machinery strength enhancing, can meet that high voltage direct current cable transmission of electricity requires.
Embodiment
In the following, the present invention will be further described in detail by way of specific embodiments, but this should not be interpreted as to the present invention
Scope be only limitted to following example.Without departing from the idea of the above method of the present invention, according to ordinary skill
The various replacements or change that knowledge and customary means are made, should be included in the scope of the present invention.
Embodiment 1
The preparation of the high voltage direct current cable material of high intensity, step are as follows：
A, by the dissolving of nanometer nickel chloride in deionized water, ammonium hydroxide is added dropwise while stirring, ammonia concn 6mol/L, is added dropwise
Plus nano magnesium chloride afterwards, is stirred for 1h, obtains the mixed solution that pH value is 11, is transferred in reaction kettle, 12h is reacted at 180 DEG C, instead
Reaction solution is centrifuged after answering, is washed, 6h is dried in vacuo at 70 DEG C, obtained product in Muffle furnace anneal instead
Should, annealing reaction temperature is 400 DEG C, reaction time 2h, obtains the porous oxidation nickel sheet for being loaded with nano magnesia of black；
Wherein, the mass ratio of nanometer nickel chloride and nanometer magnesium chloride is 3:1；
B, by methyl:Phenyl:Silico ethylene group:The molar ratio of silicon hydrogen group is 50:20:10:10 meters, take corresponding silico ethylene base
Monomer and the mixing of silicon hydrogen monomer, are added drop-wise to 40 DEG C of water and the in the mixed solvent of toluene carries out cohydrolysis polycondensation 4h, Ran Hou
100 DEG C are concentrated, and then extract solvent and low-boiling-point substance, that is, obtain organic siliconresin prepolymer；The silico ethylene base monomer is
Methylvinyldichlorosilane, methyl ethylene dimethoxy or dimethylvinylmethoxysiiane, vinyl trichlorosilane,
At least one of vinyltrimethoxysilane；The silicon hydrogen monomer is methyl hydrogen dichlorosilane, methyl hydrogen diethoxy silicon
At least one of alkane, dimethyl hydrogen Ethoxysilane；The volume ratio of water and toluene is 50:50；
C, the porous nickel oxide for being loaded with nano magnesia for obtaining step a is added to the organosilicon tree that b step is prepared
In fat prepolymer, while dispersant is added, heating-up temperature is 80 DEG C, is stirred, and cures, obtains receiving for organic siliconresin coating modification
Rice material；Wherein, the mass ratio of the porous nickel oxide and organic siliconresin prepolymer that are loaded with nano magnesia is 3:50；
D, in mixer, cable matrix resin polyethylene, antioxidant is mixed, 8min is kneaded at 160 DEG C, treats matrix resin
After melting, the nano material for the organic siliconresin coating modification that step c is prepared is added, continues to be kneaded 6min, is eventually adding
Crosslinking agent, then 12min is kneaded, obtain high voltage direct current cable material；Wherein, the cable matrix resin, antioxidant, organic siliconresin
The nano material of coating modification and the mass ratio of crosslinking agent are 60:0.3:2:2.
(1) Mechanics Performance Testing
Tensile strength and elongation at break are tried according to the regulations of G B/T 1040.1-2006 using CMT series temperature controls universal material
The machine of testing is tested, and sample is II type dumbbell plates, and thickness 1.0mm, draw speed is 250 mm/min.
Hot elongation test is according to progress is provided in G B/T 2951.21-2008, sample is II type dumbbell plates, and thickness is
1.0 mm, 200 DEG C of test temperature, 15 min of load-time, 0.2 MPa of mechanical stress.
(2) electric performance test
Volume resistivity is tested by GB/T1410-2006 regulations, test voltage 1kV, and environment temperature is 20 DEG C, sample
Thickness is 1.0 mm.Dielectric dissipation factor and dielectric constant are tested by the regulations of G B/T 1409- 2006, frequency 50
Hz, environment temperature are 20 DEG C, sample thickness 1.0mm.Electrical strength is surveyed according to the regulations of GB/T 1408.1-2006
Examination, using symmetry electrode, sample thickness 1.0mm, rate of pressure rise is 2 kV/s.
Above-mentioned the performance test results are shown in Table 1.
Embodiment 2
The preparation of the high voltage direct current cable material of high intensity, step are as follows：
A, by the dissolving of nanometer nickel chloride in deionized water, ammonium hydroxide is added dropwise while stirring, ammonia concn 6mol/L, is added dropwise
Plus nano magnesium chloride afterwards, is stirred for 2h, obtains the mixed solution that pH value is 10, is transferred in reaction kettle, 15h is reacted at 150 DEG C, instead
Reaction solution is centrifuged after answering, is washed, 8h is dried in vacuo at 60 DEG C, obtained product in Muffle furnace anneal instead
Should, annealing reaction temperature is 300 DEG C, reaction time 3h, obtains the porous oxidation nickel sheet for being loaded with nano magnesia of black；
Wherein, the mass ratio of nanometer nickel chloride and nanometer magnesium chloride is 1:0.5；
B, by methyl:Phenyl:Silico ethylene group:The molar ratio of silicon hydrogen group is 40:15:15:10 meters, take corresponding silico ethylene base
Monomer and the mixing of silicon hydrogen monomer, are added drop-wise to 30 DEG C of water and the in the mixed solvent of toluene carries out cohydrolysis polycondensation 5h, Ran Hou
90 DEG C are concentrated, and then extract solvent and low-boiling-point substance, that is, obtain organic siliconresin prepolymer；The silico ethylene base monomer is first
Base hydridovinyldichlorosilane, methyl ethylene dimethoxy or dimethylvinylmethoxysiiane, vinyl trichlorosilane, second
At least one of alkenyl trimethoxy silane；The silicon hydrogen monomer for methyl hydrogen dichlorosilane, methyl hydrogen diethoxy silane,
At least one of dimethyl hydrogen Ethoxysilane；The volume ratio of water and toluene is 60:40；
C, the porous nickel oxide for being loaded with nano magnesia for obtaining step a is added to the organosilicon tree that b step is prepared
In fat prepolymer, while dispersant is added, heating-up temperature is 100 DEG C, is stirred, and cures, obtains organic siliconresin coating modification
Nano material；Wherein, the mass ratio of the porous nickel oxide and organic siliconresin prepolymer that are loaded with nano magnesia is 1:30；
D, in mixer, cable matrix resin low density polyvinyl-chloride, antioxidant is mixed, 10min is kneaded at 130 DEG C,
After matrix resin melting, the nano material for the organic siliconresin coating modification that step c is prepared is added, continues to be kneaded
10min, is eventually adding crosslinking agent, then is kneaded 10min, obtains high voltage direct current cable material；Wherein, the cable matrix resin, anti-
The mass ratio of oxygen agent, the nano material of organic siliconresin coating modification and crosslinking agent is 50:0.05:1:1.
Mechanics Performance Testing and electric performance test the results are shown in Table shown in 1.
Embodiment 3
The preparation of the high voltage direct current cable material of high intensity, step are as follows：
A, by the dissolving of nanometer nickel chloride in deionized water, ammonium hydroxide is added dropwise while stirring, ammonia concn 6mol/L, is added dropwise
Plus nano magnesium chloride afterwards, is stirred for 2h, obtains the mixed solution that pH value is 8, is transferred in reaction kettle, 10h is reacted at 200 DEG C, instead
Reaction solution is centrifuged after answering, is washed, 5h is dried in vacuo at 80 DEG C, obtained product in Muffle furnace anneal instead
Should, annealing reaction temperature is 500 DEG C, reaction time 1h, obtains the porous oxidation nickel sheet for being loaded with nano magnesia of black；
Wherein, the mass ratio of nanometer nickel chloride and nanometer magnesium chloride is 1:1；
B, by methyl:Phenyl:Silico ethylene group:The molar ratio of silicon hydrogen group is 30:30:20:10 meters, take corresponding silico ethylene base
Monomer and the mixing of silicon hydrogen monomer, are added drop-wise to 20 DEG C of water and the in the mixed solvent of toluene carries out cohydrolysis polycondensation 5h, Ran Hou
140 DEG C are concentrated, and then extract solvent and low-boiling-point substance, that is, obtain organic siliconresin prepolymer；The silico ethylene base monomer is
Methylvinyldichlorosilane, methyl ethylene dimethoxy or dimethylvinylmethoxysiiane, vinyl trichlorosilane,
At least one of vinyltrimethoxysilane；The silicon hydrogen monomer is methyl hydrogen dichlorosilane, methyl hydrogen diethoxy silicon
At least one of alkane, dimethyl hydrogen Ethoxysilane；The volume ratio of water and toluene is 10:90；
C, the porous nickel oxide for being loaded with nano magnesia for obtaining step a is added to the organosilicon tree that b step is prepared
In fat prepolymer, while dispersant is added, heating-up temperature is 60 DEG C, is stirred, and cures, obtains receiving for organic siliconresin coating modification
Rice material；Wherein, the mass ratio of the porous nickel oxide and organic siliconresin prepolymer that are loaded with nano magnesia is 5:60；
D, in mixer, cable matrix resin polypropylene, antioxidant is mixed, 10min is kneaded at 130 DEG C, treats matrix tree
After fat melting, the nano material for the organic siliconresin coating modification that step c is prepared is added, continues to be kneaded 5min, finally adds
Enter crosslinking agent, then be kneaded 15min, obtain high voltage direct current cable material；Wherein, the cable matrix resin, antioxidant, organosilicon tree
The nano material of fat coating modification and the mass ratio of crosslinking agent are 80:0.5:3:3.
Mechanics Performance Testing and electric performance test the results are shown in Table shown in 1.
Embodiment 4
The preparation of the high voltage direct current cable material of high intensity, step are as follows：
A, by the dissolving of nanometer nickel chloride in deionized water, ammonium hydroxide is added dropwise while stirring, ammonia concn 6mol/L, is added dropwise
Plus nano magnesium chloride afterwards, is stirred for 1h, obtains the mixed solution that pH value is 9, is transferred in reaction kettle, 14h is reacted at 160 DEG C, instead
Reaction solution is centrifuged after answering, is washed, 6h is dried in vacuo at 70 DEG C, obtained product in Muffle furnace anneal instead
Should, annealing reaction temperature is 450 DEG C, reaction time 2h, obtains the porous oxidation nickel sheet for being loaded with nano magnesia of black；
Wherein, the mass ratio of nanometer nickel chloride and nanometer magnesium chloride is 2:1；
B, by methyl:Phenyl:Silico ethylene group:The molar ratio of silicon hydrogen group is 70: 30:15:10 meters, take corresponding silico ethylene
Base monomer and the mixing of silicon hydrogen monomer, are added drop-wise to 20~60 DEG C of water and the in the mixed solvent of toluene carries out cohydrolysis polycondensation 4h,
Then concentrated at 120 DEG C, then extract solvent and low-boiling-point substance, that is, obtain organic siliconresin prepolymer；The silico ethylene base
Monomer is methylvinyldichlorosilane, methyl ethylene dimethoxy or dimethylvinylmethoxysiiane, vinyl three
At least one of chlorosilane, vinyltrimethoxysilane；The silicon hydrogen monomer is methyl hydrogen dichlorosilane, methyl hydrogen diethyl
At least one of oxysilane, dimethyl hydrogen Ethoxysilane；The volume ratio of water and toluene is 20:80；
C, the porous nickel oxide for being loaded with nano magnesia for obtaining step a is added to the organosilicon tree that b step is prepared
In fat prepolymer, while dispersant is added, heating-up temperature is 70 DEG C, is stirred, and cures, obtains receiving for organic siliconresin coating modification
Rice material；Wherein, the mass ratio of the porous nickel oxide and organic siliconresin prepolymer that are loaded with nano magnesia is 4:50；
D, in mixer, cable matrix resin low density polyvinyl-chloride, antioxidant is mixed, 7min is kneaded at 160 DEG C, treats
After matrix resin melting, the nano material for the organic siliconresin coating modification that step c is prepared is added, continues to be kneaded 8min,
Crosslinking agent is eventually adding, then is kneaded 14min, obtains high voltage direct current cable material；Wherein, the cable matrix resin, antioxidant, have
The nano material of machine silicones coating modification and the mass ratio of crosslinking agent are 60:0.2:1.5:2.
Mechanics Performance Testing and electric performance test the results are shown in Table shown in 1.
Embodiment 5
The preparation of the high voltage direct current cable material of high intensity, step are as follows：
A, by the dissolving of nanometer nickel chloride in deionized water, ammonium hydroxide is added dropwise while stirring, ammonia concn 6mol/L, is added dropwise
Plus nano magnesium chloride afterwards, is stirred for 2h, obtains the mixed solution that pH value is 10, is transferred in reaction kettle, 12h is reacted at 160 DEG C, instead
Reaction solution is centrifuged after answering, is washed, 5h is dried in vacuo at 60 DEG C, obtained product in Muffle furnace anneal instead
Should, annealing reaction temperature is 350 DEG C, reaction time 3h, obtains the porous oxidation nickel sheet for being loaded with nano magnesia of black；
Wherein, the mass ratio of nanometer nickel chloride and nanometer magnesium chloride is 1:2；
B, by methyl:Phenyl:Silico ethylene group:The molar ratio of silicon hydrogen group is 50:25:15:18 meters, take corresponding silico ethylene base
Monomer and the mixing of silicon hydrogen monomer, are added drop-wise to 54 DEG C of water and the in the mixed solvent of toluene carries out cohydrolysis polycondensation 4h, Ran Hou
120 DEG C are concentrated, and then extract solvent and low-boiling-point substance, that is, obtain organic siliconresin prepolymer；The silico ethylene base monomer is
Methylvinyldichlorosilane, methyl ethylene dimethoxy or dimethylvinylmethoxysiiane, vinyl trichlorosilane,
At least one of vinyltrimethoxysilane；The silicon hydrogen monomer is methyl hydrogen dichlorosilane, methyl hydrogen diethoxy silicon
At least one of alkane, dimethyl hydrogen Ethoxysilane；The volume ratio of water and toluene is 30:70；
C, the porous nickel oxide for being loaded with nano magnesia for obtaining step a is added to the organosilicon tree that b step is prepared
In fat prepolymer, while dispersant is added, heating-up temperature is 70 DEG C, is stirred, and cures, obtains receiving for organic siliconresin coating modification
Rice material；Wherein, the mass ratio of the porous nickel oxide and organic siliconresin prepolymer that are loaded with nano magnesia is 3:50；
D, in mixer, cable matrix resin polyethylene, antioxidant is mixed, 7min is kneaded at 170 DEG C, treats matrix resin
After melting, the nano material for the organic siliconresin coating modification that step c is prepared is added, continues to be kneaded 8min, is eventually adding
Crosslinking agent, then 12min is kneaded, obtain high voltage direct current cable material；Wherein, the cable matrix resin, antioxidant, organic siliconresin
The nano material of coating modification and the mass ratio of crosslinking agent are 70:0.4:2:3.
Mechanics Performance Testing and electric performance test the results are shown in Table shown in 1.
Embodiment 6
The preparation of the high voltage direct current cable material of high intensity, step are as follows：
A, by the dissolving of nanometer nickel chloride in deionized water, ammonium hydroxide is added dropwise while stirring, ammonia concn 6mol/L, is added dropwise
Plus nano magnesium chloride afterwards, is stirred for 1h, obtains the mixed solution that pH value is 11, is transferred in reaction kettle, 13h is reacted at 180 DEG C, instead
Reaction solution is centrifuged after answering, is washed, 6h is dried in vacuo at 75 DEG C, obtained product in Muffle furnace anneal instead
Should, annealing reaction temperature is 300 DEG C, reaction time 3h, obtains the porous oxidation nickel sheet for being loaded with nano magnesia of black；
Wherein, the mass ratio of nanometer nickel chloride and nanometer magnesium chloride is 3:2；
B, by methyl:Phenyl:Silico ethylene group:The molar ratio of silicon hydrogen group is 40:15:18:12 meters, take corresponding silico ethylene base
Monomer and the mixing of silicon hydrogen monomer, are added drop-wise to 40 DEG C of water and the in the mixed solvent of toluene carries out cohydrolysis polycondensation 4h, Ran Hou
90 DEG C are concentrated, and then extract solvent and low-boiling-point substance, that is, obtain organic siliconresin prepolymer；The silico ethylene base monomer is first
Base hydridovinyldichlorosilane, methyl ethylene dimethoxy or dimethylvinylmethoxysiiane, vinyl trichlorosilane, second
At least one of alkenyl trimethoxy silane；The silicon hydrogen monomer for methyl hydrogen dichlorosilane, methyl hydrogen diethoxy silane,
At least one of dimethyl hydrogen Ethoxysilane；The volume ratio of water and toluene is 50:50；
C, the porous nickel oxide for being loaded with nano magnesia for obtaining step a is added to the organosilicon tree that b step is prepared
In fat prepolymer, while dispersant is added, heating-up temperature is 90 DEG C, is stirred, and cures, obtains receiving for organic siliconresin coating modification
Rice material；Wherein, the mass ratio of the porous nickel oxide and organic siliconresin prepolymer that are loaded with nano magnesia is 4:40；
D, in mixer, cable matrix resin low density polyvinyl-chloride, antioxidant is mixed, 6min is kneaded at 160 DEG C, treats
After matrix resin melting, the nano material for the organic siliconresin coating modification that step c is prepared is added, continues to be kneaded 8min,
Crosslinking agent is eventually adding, then is kneaded 13min, obtains high voltage direct current cable material；Wherein, the cable matrix resin, antioxidant, have
The nano material of machine silicones coating modification and the mass ratio of crosslinking agent are 60:0.05: 3:0.5.
Mechanics Performance Testing and electric performance test the results are shown in Table shown in 1.
Comparative example 1
The preparation of high voltage direct current cable material, step are as follows：
A, by the dissolving of nanometer nickel chloride in deionized water, ammonium hydroxide is added dropwise while stirring, ammonia concn 6mol/L, is added dropwise
After be stirred for 1h, obtain the mixed solution that pH value is 11, be transferred in reaction kettle, 12h is reacted at 180 DEG C, after reaction will be anti-
Liquid centrifugation, washing are answered, 6h is dried in vacuo at 70 DEG C, obtained product is subjected to annealing reaction, annealing reaction temperature in Muffle furnace
Spend for 400 DEG C, reaction time 2h, obtain the porous oxidation nickel sheet of black；
B, by methyl:Phenyl:Silico ethylene group:The molar ratio of silicon hydrogen group is 50:20:10:10 meters, take corresponding silico ethylene base
Monomer and the mixing of silicon hydrogen monomer, are added drop-wise to 40 DEG C of water and the in the mixed solvent of toluene carries out cohydrolysis polycondensation 4h, Ran Hou
100 DEG C are concentrated, and then extract solvent and low-boiling-point substance, that is, obtain organic siliconresin prepolymer；The silico ethylene base monomer is
Methylvinyldichlorosilane, methyl ethylene dimethoxy or dimethylvinylmethoxysiiane, vinyl trichlorosilane,
At least one of vinyltrimethoxysilane；The silicon hydrogen monomer is methyl hydrogen dichlorosilane, methyl hydrogen diethoxy silicon
At least one of alkane, dimethyl hydrogen Ethoxysilane；The volume ratio of water and toluene is 50:50；
C, the obtained porous nickel oxides of step a are added in the organic siliconresin prepolymer that b step is prepared, added at the same time
Dispersant, heating-up temperature are 80 DEG C, stir, cure, obtain the nano material of organic siliconresin coating modification；Wherein, porous oxygen
The mass ratio for changing nickel and organic siliconresin prepolymer is 3:50；
D, in mixer, cable matrix resin polyethylene, antioxidant is mixed, 8min is kneaded at 160 DEG C, treats matrix resin
After melting, the nano material for the organic siliconresin coating modification that step c is prepared is added, continues to be kneaded 6min, is eventually adding
Crosslinking agent, then 12min is kneaded, obtain high voltage direct current cable material；Wherein, the cable matrix resin, antioxidant, organic siliconresin
The nano material of coating modification and the mass ratio of crosslinking agent are 60:0.3:2:2.
Mechanics Performance Testing and electric performance test the results are shown in Table shown in 1.
The performance test for the product that 1 embodiment 1~6 of table and comparative example 1 obtain
Claims (10)
1. the preparation method of the high voltage direct current cable material of a kind of high intensity, it is characterised in that comprise the following steps：
A, by the dissolving of nanometer nickel chloride in deionized water, ammonium hydroxide is added dropwise while stirring, rear plus nano magnesium chloride is added dropwise, then
1~2h is stirred, the mixed solution that pH value is 8~11 is obtained, is transferred in reaction kettle, 10~15h, reaction are reacted at 150~200 DEG C
After reaction solution centrifuged, wash, 5~8h is dried in vacuo at 60~80 DEG C, obtained product is moved back in Muffle furnace
Fire reaction, annealing reaction temperature are 300~500 DEG C, and the reaction time is 1~3h, obtain the nano magnesia that is loaded with of black
Porous oxidation nickel sheet；Wherein, the mass ratio of nanometer nickel chloride and nanometer magnesium chloride is 1~5:0.5~2；
B, by methyl:Phenyl:Silico ethylene group:The molar ratio of silicon hydrogen group is（30~70）:（10~30）:（5~20）:（5~
20）Meter, takes corresponding silico ethylene base monomer and silicon hydrogen monomer to mix, is added drop-wise to 20~60 DEG C of water and the mixed solvent of toluene
Middle progress cohydrolysis 3~5h of polycondensation, is then concentrated at 80~140 DEG C, then extracts solvent and low-boiling-point substance, that is, had
Machine silicone prepolymer；
C, the porous nickel oxide for being loaded with nano magnesia for obtaining step a is added to the organosilicon tree that b step is prepared
In fat prepolymer, while dispersant is added, heated, stirred, cured, obtain the nano material of organic siliconresin coating modification；Its
In, the mass ratio of the porous nickel oxide and organic siliconresin prepolymer that are loaded with nano magnesia is 1~5:30~60；
D, in mixer, cable matrix resin, antioxidant is mixed, 5~10min is kneaded at 130~180 DEG C, treats matrix
After resin melting, the nano material for the organic siliconresin coating modification that step c is prepared is added, continues 5~10min of mixing,
Crosslinking agent is eventually adding, then is kneaded 10~15min, obtains high voltage direct current cable material；Wherein, the cable matrix resin, antioxygen
The mass ratio of agent, the nano material of organic siliconresin coating modification and crosslinking agent is 50~80:0.05~0.5:0.5~3:0.1
~3.
A kind of 2. preparation method of the high voltage direct current cable material of high intensity according to claim 1, it is characterised in that a steps
Middle ammonia concn is 6mol/L.
A kind of 3. preparation method of the high voltage direct current cable material of high intensity according to claim 1, it is characterised in that a steps
The mass ratio of middle nanometer nickel chloride and nanometer magnesium chloride is 3:1.
A kind of 4. preparation method of the high voltage direct current cable material of high intensity according to claim 1, it is characterised in that b step
Middle methyl:Phenyl:Silico ethylene group:The molar ratio of silicon hydrogen group is 50:20:10:10.
5. according to a kind of preparation method of the high voltage direct current cable material of the high intensity of claim 1 or 4, it is characterised in that b is walked
Silico ethylene base monomer is methylvinyldichlorosilane, methyl ethylene dimethoxy or dimethyl ethenyl methoxy described in rapid
At least one of base silane, vinyl trichlorosilane, vinyltrimethoxysilane.
6. according to a kind of preparation method of the high voltage direct current cable material of the high intensity of claim 1 or 5, it is characterised in that b is walked
Silicon hydrogen monomer described in rapid is methyl hydrogen dichlorosilane, in methyl hydrogen diethoxy silane, dimethyl hydrogen Ethoxysilane extremely
Few one kind.
A kind of 7. preparation method of the high voltage direct current cable material of high intensity according to claim 1, it is characterised in that b step
The volume ratio of middle water and toluene is 10~60:90~40.
A kind of 8. preparation method of the high voltage direct current cable material of high intensity according to claim 1, it is characterised in that step c
Middle heating-up temperature is 60~100 DEG C.
A kind of 9. preparation method of the high voltage direct current cable material of high intensity according to claim 1, it is characterised in that Step d
Described in cable matrix resin be nylon, polypropylene, polyethylene, at least one of low density polyvinyl-chloride.
A kind of 10. high voltage direct current cable material for high intensity that any one of claim 1~9 preparation method is prepared.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020207312A1 (en) * | 2019-04-12 | 2020-10-15 | 青岛科技大学 | Magnetic composite semiconductive shielding layer for high-voltage direct current cable and preparation method thereof |
| CN115260641A (en) * | 2022-09-29 | 2022-11-01 | 石家庄启宏新材料制品有限公司 | High-strength polyethylene foam material and preparation method thereof |
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2018
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020207312A1 (en) * | 2019-04-12 | 2020-10-15 | 青岛科技大学 | Magnetic composite semiconductive shielding layer for high-voltage direct current cable and preparation method thereof |
| CN115260641A (en) * | 2022-09-29 | 2022-11-01 | 石家庄启宏新材料制品有限公司 | High-strength polyethylene foam material and preparation method thereof |
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