CN106905660A - A kind of anti-aging cable sheath material preparation method and applications - Google Patents
A kind of anti-aging cable sheath material preparation method and applications Download PDFInfo
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- C08L63/00—Compositions of epoxy resins; Compositions of derivatives of epoxy resins
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/327—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated alcohols or esters thereof
- D06M15/333—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated alcohols or esters thereof of vinyl acetate; Polyvinylalcohol
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- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
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- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/643—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds containing silicon in the main chain
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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
- H01B3/40—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 epoxy resins
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- B29C2948/00—Indexing scheme relating to extrusion moulding
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- C08L2203/00—Applications
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Abstract
The invention discloses a kind of anti-aging cable sheath material preparation method and applications, the technique carries out ball milling, granulation by by talcum powder, Firebrake ZB, ceramic powder, then with the common banburying of epoxy resin, it is subsequently adding tetrahydrofuran vacuum stirring, add polyamide wax micropowder and pretreated polyimide fiber and the modified mixture prepared by pentaerythrite trivinyl ether, through plasticating, feeding, ultrasound, reduction vaporization, Screw Extrusion, reaction under high pressure, it is secondary plasticate, a series of special processes such as compressing, pelletizing are made finished product.The cable sheath material being prepared from, its wearability is strong, insulation effect is good and ageing-resistant, with preferable application prospect.The application as cable sheath material obtained in the preparation technology in power industry is also disclosed simultaneously.
Description
Technical field
The present invention relates to this technical field of cable sheath material, a kind of anti-aging cable sheath material is related specifically to
Preparation method and applications.
Background technology
Cable is the most frequently used component of power system.In daily life, cable is typically by one or more mutually insulated
Conductor outsourcing insulating protective layer be made, electric power or information are transferred to the wire at another place from one, be widely used in electric power
System.The model of cable has many kinds, widely used at present mainly to include：It is power cable with cross-linked polyethylene insulation, poly-
Chlorine hexene insulated cable, colliery resistance cable, cable for ship, polyvinyl chloride insulation control cable, electric cable of submersible pump, elevator electricity
Cable, aluminum stranded conductor and steel-cored aluminium strand, railway signal cable, computer cable special etc..
Regardless of whether considering from mechanicalness, showing tremendous enthusiasm chemical resistance and disaster prevention angle, cable material is internal in protection
Raw material is impaired to maintain its normal operation aspect to play vital effect, and during concrete application, cable material must
Exposure to Sunlight, UV radiation, ozone aging, chemicals erosion can must be all resisted, while being still ensured that under unexpected disaster scenarios it or temporarily
When ensure its normal operation.However, existing cable material often has many deficiencies at anti-aging aspect, especially in spy
When being used under kind of industry or particular surroundings, aging too fast serious problems are there are, cause its normal protective action cannot be real
It is existing, change situation seriously, constrain the development of national economy.
The content of the invention
In order to solve the above technical problems, the present invention provides a kind of anti-aging cable sheath material preparation method and its answers
With the technique carries out ball milling, granulation by by talcum powder, Firebrake ZB, ceramic powder, then with the common banburying of epoxy resin, then
Add tetrahydrofuran to be stirred under vacuum, add polyamide wax micropowder and pretreated polyimide fiber and pentaerythrite three
Modified mixture prepared by vinyl ethers, through plasticating, feeding, ultrasound, reduction vaporization, Screw Extrusion, reaction under high pressure, secondary modeling
A series of special processes such as refining, compressing, pelletizing are made finished product.The cable sheath material being prepared from, its wearability is strong, exhausted
Edge effect is good, and ageing-resistant, with preferable application prospect.Also disclose as cable cover(ing) material obtained in the preparation technology simultaneously
Expect the application in power industry.
The purpose of the present invention can be achieved through the following technical solutions：
A kind of anti-aging cable sheath material preparation method, comprises the following steps：
(1) by 15 parts of talcum powder, 12 parts of Firebrake ZB, 8 parts of mixing of ceramic powder, it is milled in addition planetary ball mill machine
Even, it is that 80% glycerin solution is mixed to add 500mL concentration, is subsequently added in comminutor and is granulated, and is made particle diameter
It is 0.6-0.8 μm of particle；
(2) 6 parts of polyimide fiber is taken, polyimide fiber is carried out with polyvinyl acetate impregnating agent and hydroxy silicon oil
Pretreatment, is then well mixed, the heating response 15- at 150 DEG C with 5 parts of addition high-speed mixers of pentaerythrite trivinyl ether
25min, modified mixture is obtained after being down to room temperature；
(3) by the particle obtained by step (1) and 10 parts of addition banburies of epoxy resin, it is well mixed, is 110- in temperature
Banburying 10-15min at 120 DEG C, obtains banburying product；
(4) by the banburying product obtained by step (3) and tetrahydrofuran 20 parts mix, inserting vacuum mixer carries out vacuum
Stirring 10min, then stands 15min, obtains initial mixture；
(5) two roll plastic mixing mill is risen into high-temperature to 180-200 DEG C, by the initial mixture and polyamide wax of step (4)
7 parts of micro mist adds double roller intermediate melt to plasticate, and the modified mixture obtained by step (2) is added after it is well mixed, and adjustment is double
Roller spacing, roll milling, it is thin it is logical be repeatedly well mixed the two, must plasticate product；
(6) product of plasticating of step (5) mixes with 6 parts of ATBC, 50 parts of deionized water, is heated to 90-100
DEG C, 3 parts of accelerator 2-ethyl-4-methylimidazole is added after stirring reaction 1-2h, then ultrasonic disperse 15-20min is decompressed to
0.03MPa, steams low-boiling point material, obtains initial reaction product；
(7) initial reaction product of step (6) is added into double screw extruder, intermediate reaction product is obtained after melting extrusion
Thing, wherein double-screw extruder screw draw ratio are 20:1；
(8) intermediate reaction product that obtains step (7) is added in autoclave, add 2 parts of dicyclopentadiene with
And appropriate deionized water, 3 parts of styrene is added after 25min is stirred in a nitrogen atmosphere, reactor pressure is lifted into 15MPa,
2 parts of liquor potassic permanganate is added dropwise to after mixture is warming up into 150 DEG C, reaction under high pressure 35-45min obtains final reacting product；
(9) by step (8) prepare obtained by final reacting product be added in mill carry out it is secondary plasticate, preceding roll temperature control
At 180 DEG C, at 170 DEG C, spacing is controlled in 0.1mm back roller temperature control system, is added 3 parts of roll millings of curing agent, thin logical is repeatedly made
It is well mixed to be plastified, it is well mixed after naturally cool to room temperature, mixed material is transferred in vulcanizing press in 180 DEG C
Under compressing, pelletizing, obtain finished product.
Preferably, the mass ratio of polyvinyl acetate impregnating agent used and hydroxy silicon oil is 1 in the step (2):1, in advance
Processing procedure is that polyimide fiber is completely submerged in the mixed liquor of vinyl acetate size and hydroxy silicon oil to maintain 30min.
Preferably, double screw extruder extrusion temperature is in the step (7)：One 150-160 DEG C of area's temperature, two area's temperature
It it is 170-180 DEG C, three area's temperature are 210-220 DEG C, four area's temperature are 230-250 DEG C.
Preferably, the curing agent in the step (9) is selected from diamino-dicyclohexyl methane, modified phenolic hydroxyl group resin and Asia
Any one in methyl bicycle hexane amine.
Present invention also offers the anti-aging cable sheath material obtained by above-mentioned preparation technology in power industry
Using.
Compared with prior art, its advantage is the present invention：
(1) anti-aging cable sheath material preparation technology of the invention is carried out by by talcum powder, Firebrake ZB, ceramic powder
Ball milling, granulation, then with the common banburying of epoxy resin, are subsequently adding tetrahydrofuran vacuum stirring, add polyamide wax micropowder
And pretreated polyimide fiber and the modified mixture prepared by pentaerythrite trivinyl ether, through plasticating, feeding,
Ultrasound, reduction vaporization, Screw Extrusion, reaction under high pressure, it is secondary plasticate, a series of special processes such as compressing, pelletizing are made into
Product.The cable sheath material being prepared from, its wearability is strong, insulation effect is good and ageing-resistant, with preferable application prospect.
(2) anti-aging cable sheath material raw material of the invention is cheap, process is simple, is suitable to heavy industrialization fortune
With practical.
Specific embodiment
The technical scheme invented is described in detail with reference to specific embodiment.
Embodiment 1
(1) by 15 parts of talcum powder, 12 parts of Firebrake ZB, 8 parts of mixing of ceramic powder, it is milled in addition planetary ball mill machine
Even, it is that 80% glycerin solution is mixed to add 500mL concentration, is subsequently added in comminutor and is granulated, and is made particle diameter
It is 0.6 μm of particle；
(2) 6 parts of polyimide fiber is taken, polyimide fiber is carried out with polyvinyl acetate impregnating agent and hydroxy silicon oil
Pretreatment, is then well mixed, the heating response at 150 DEG C with 5 parts of addition high-speed mixers of pentaerythrite trivinyl ether
15min, modified mixture is obtained after being down to room temperature, and the wherein mass ratio of polyvinyl acetate impregnating agent and hydroxy silicon oil is 1:1, in advance
Processing procedure is that polyimide fiber is completely submerged in the mixed liquor of vinyl acetate size and hydroxy silicon oil to maintain 30min；
(3) by the particle obtained by step (1) and 10 parts of addition banburies of epoxy resin, it is well mixed, is 110 DEG C in temperature
Lower banburying 10min, obtains banburying product；
(4) by the banburying product obtained by step (3) and tetrahydrofuran 20 parts mix, inserting vacuum mixer carries out vacuum
Stirring 10min, then stands 15min, obtains initial mixture；
(5) two roll plastic mixing mill is risen into high-temperature to 180 DEG C, by the initial mixture and polyamide wax micropowder 7 of step (4)
Part adds double roller intermediate melt to plasticate, and is added after it is well mixed between the modified mixture obtained by step (2), adjustment double roller
Away from, roll milling, it is thin it is logical be repeatedly well mixed the two, must plasticate product；
(6) product of plasticating of step (5) mixes with 6 parts of ATBC, 50 parts of deionized water, is heated to 90 DEG C, stirs
3 parts of accelerator 2-ethyl-4-methylimidazole is added after mixing reaction 1h, then ultrasonic disperse 15min is decompressed to 0.03MPa, steams
Low-boiling point material, obtains initial reaction product；
(7) initial reaction product of step (6) is added into double screw extruder, intermediate reaction product is obtained after melting extrusion
Thing, wherein double-screw extruder screw draw ratio are 20:1, double screw extruder extrusion temperature is：One 150 DEG C of area's temperature, 2nd area
Temperature is 170 DEG C, and three area's temperature are 210 DEG C, and four area's temperature are 230 DEG C；
(8) intermediate reaction product that obtains step (7) is added in autoclave, add 2 parts of dicyclopentadiene with
And appropriate deionized water, 3 parts of styrene is added after 25min is stirred in a nitrogen atmosphere, reactor pressure is lifted into 15MPa,
2 parts of liquor potassic permanganate is added dropwise to after mixture is warming up into 150 DEG C, reaction under high pressure 35min obtains final reacting product；
(9) by step (8) prepare obtained by final reacting product be added in mill carry out it is secondary plasticate, preceding roll temperature control
At 180 DEG C, at 170 DEG C, spacing is controlled in 0.1mm back roller temperature control system, adds 3 parts of rollers of diamino-dicyclohexyl methane
Refining, it is thin it is logical repeatedly make it is well mixed plastified, it is well mixed after naturally cool to room temperature, mixed material is transferred to flat board sulphur
In compressing, pelletizing at 180 DEG C in change machine, finished product is obtained.
The performance test results of obtained anti-aging cable sheath material are as shown in table 1.
Embodiment 2
(1) by 15 parts of talcum powder, 12 parts of Firebrake ZB, 8 parts of mixing of ceramic powder, it is milled in addition planetary ball mill machine
Even, it is that 80% glycerin solution is mixed to add 500mL concentration, is subsequently added in comminutor and is granulated, and is made particle diameter
It is 0.7 μm of particle；
(2) 6 parts of polyimide fiber is taken, polyimide fiber is carried out with polyvinyl acetate impregnating agent and hydroxy silicon oil
Pretreatment, is then well mixed, the heating response at 150 DEG C with 5 parts of addition high-speed mixers of pentaerythrite trivinyl ether
20min, modified mixture is obtained after being down to room temperature, and the wherein mass ratio of polyvinyl acetate impregnating agent and hydroxy silicon oil is 1:1, in advance
Processing procedure is that polyimide fiber is completely submerged in the mixed liquor of vinyl acetate size and hydroxy silicon oil to maintain 30min；
(3) by the particle obtained by step (1) and 10 parts of addition banburies of epoxy resin, it is well mixed, is 115 DEG C in temperature
Lower banburying 12min, obtains banburying product；
(4) by the banburying product obtained by step (3) and tetrahydrofuran 20 parts mix, inserting vacuum mixer carries out vacuum
Stirring 10min, then stands 15min, obtains initial mixture；
(5) two roll plastic mixing mill is risen into high-temperature to 190 DEG C, by the initial mixture and polyamide wax micropowder 7 of step (4)
Part adds double roller intermediate melt to plasticate, and is added after it is well mixed between the modified mixture obtained by step (2), adjustment double roller
Away from, roll milling, it is thin it is logical be repeatedly well mixed the two, must plasticate product；
(6) product of plasticating of step (5) mixes with 6 parts of ATBC, 50 parts of deionized water, is heated to 95 DEG C, stirs
3 parts of accelerator 2-ethyl-4-methylimidazole is added after mixing reaction 1.5h, then ultrasonic disperse 18min is decompressed to 0.03MPa, steamed
Go out low-boiling point material, obtain initial reaction product；
(7) initial reaction product of step (6) is added into double screw extruder, intermediate reaction product is obtained after melting extrusion
Thing, wherein double-screw extruder screw draw ratio are 20:1, double screw extruder extrusion temperature is：One 155 DEG C of area's temperature, 2nd area
Temperature is 175 DEG C, and three area's temperature are 215 DEG C, and four area's temperature are 240 DEG C；
(8) intermediate reaction product that obtains step (7) is added in autoclave, add 2 parts of dicyclopentadiene with
And appropriate deionized water, 3 parts of styrene is added after 25min is stirred in a nitrogen atmosphere, reactor pressure is lifted into 15MPa,
2 parts of liquor potassic permanganate is added dropwise to after mixture is warming up into 150 DEG C, reaction under high pressure 40min obtains final reacting product；
(9) by step (8) prepare obtained by final reacting product be added in mill carry out it is secondary plasticate, preceding roll temperature control
At 180 DEG C, at 170 DEG C, spacing is controlled in 0.1mm back roller temperature control system, adds 3 parts of roll millings of modified phenolic hydroxyl group resin, thin
To lead to repeatedly make to be well mixed and plastified, room temperature is naturally cooled to after being well mixed, mixed material is transferred to vulcanizing press
In in compressing, pelletizing at 180 DEG C, obtain finished product.
The performance test results of obtained anti-aging cable sheath material are as shown in table 1.
Embodiment 3
(1) by 15 parts of talcum powder, 12 parts of Firebrake ZB, 8 parts of mixing of ceramic powder, it is milled in addition planetary ball mill machine
Even, it is that 80% glycerin solution is mixed to add 500mL concentration, is subsequently added in comminutor and is granulated, and is made particle diameter
It is 0.8 μm of particle；
(2) 6 parts of polyimide fiber is taken, polyimide fiber is carried out with polyvinyl acetate impregnating agent and hydroxy silicon oil
Pretreatment, is then well mixed, the heating response at 150 DEG C with 5 parts of addition high-speed mixers of pentaerythrite trivinyl ether
25min, modified mixture is obtained after being down to room temperature, and the wherein mass ratio of polyvinyl acetate impregnating agent and hydroxy silicon oil is 1:1, in advance
Processing procedure is that polyimide fiber is completely submerged in the mixed liquor of vinyl acetate size and hydroxy silicon oil to maintain 30min；
(3) by the particle obtained by step (1) and 10 parts of addition banburies of epoxy resin, it is well mixed, is 120 DEG C in temperature
Lower banburying 15min, obtains banburying product；
(4) by the banburying product obtained by step (3) and tetrahydrofuran 20 parts mix, inserting vacuum mixer carries out vacuum
Stirring 10min, then stands 15min, obtains initial mixture；
(5) two roll plastic mixing mill is risen into high-temperature to 200 DEG C, by the initial mixture and polyamide wax micropowder 7 of step (4)
Part adds double roller intermediate melt to plasticate, and is added after it is well mixed between the modified mixture obtained by step (2), adjustment double roller
Away from, roll milling, it is thin it is logical be repeatedly well mixed the two, must plasticate product；
(6) product of plasticating of step (5) mixes with 6 parts of ATBC, 50 parts of deionized water, is heated to 100 DEG C, stirs
3 parts of accelerator 2-ethyl-4-methylimidazole is added after mixing reaction 2h, then ultrasonic disperse 20min is decompressed to 0.03MPa, steams
Low-boiling point material, obtains initial reaction product；
(7) initial reaction product of step (6) is added into double screw extruder, intermediate reaction product is obtained after melting extrusion
Thing, wherein double-screw extruder screw draw ratio are 20:1, double screw extruder extrusion temperature is：One 160 DEG C of area's temperature, 2nd area
Temperature is 180 DEG C, and three area's temperature are 220 DEG C, and four area's temperature are 250 DEG C；
(8) intermediate reaction product that obtains step (7) is added in autoclave, add 2 parts of dicyclopentadiene with
And appropriate deionized water, 3 parts of styrene is added after 25min is stirred in a nitrogen atmosphere, reactor pressure is lifted into 15MPa,
2 parts of liquor potassic permanganate is added dropwise to after mixture is warming up into 150 DEG C, reaction under high pressure 45min obtains final reacting product；
(9) by step (8) prepare obtained by final reacting product be added in mill carry out it is secondary plasticate, preceding roll temperature control
At 180 DEG C, at 170 DEG C, spacing is controlled in 0.1mm back roller temperature control system, add 3 parts of roll millings of di-2-ethylhexylphosphine oxide hexamethylene alkanamine,
It is thin it is logical repeatedly make it is well mixed plastified, it is well mixed after naturally cool to room temperature, mixed material is transferred to compression molding
In compressing, pelletizing at 180 DEG C in machine, finished product is obtained.
The performance test results of obtained anti-aging cable sheath material are as shown in table 1.
Comparative example 1
(1) by 10 parts of talcum powder, 15 parts of Firebrake ZB, 7 parts of mixing of ceramic powder, it is milled in addition planetary ball mill machine
Even, it is that 80% glycerin solution is mixed to add 500mL concentration, is subsequently added in comminutor and is granulated, and is made particle diameter
It is 0.6 μm of particle；
(2) 6 parts of polyimide fiber is taken, polyimide fiber is carried out with polyvinyl acetate impregnating agent and hydroxy silicon oil
Pretreatment, is then well mixed, the heating response at 150 DEG C with 5 parts of addition high-speed mixers of pentaerythrite trivinyl ether
15min, modified mixture is obtained after being down to room temperature, and the wherein mass ratio of polyvinyl acetate impregnating agent and hydroxy silicon oil is 1:1, in advance
Processing procedure is that polyimide fiber is completely submerged in the mixed liquor of vinyl acetate size and hydroxy silicon oil to maintain 30min；
(3) by the particle obtained by step (1) and 10 parts of addition banburies of epoxy resin, it is well mixed, is 110 DEG C in temperature
Lower banburying 10min, obtains banburying product；
(4) by the banburying product obtained by step (3) and tetrahydrofuran 30 parts mix, inserting vacuum mixer carries out vacuum
Stirring 10min, then stands 15min, obtains initial mixture；
(5) two roll plastic mixing mill is risen into high-temperature to 180 DEG C, by the initial mixture and polyamide wax micropowder 7 of step (4)
Part adds double roller intermediate melt to plasticate, and is added after it is well mixed between the modified mixture obtained by step (2), adjustment double roller
Away from, roll milling, it is thin it is logical be repeatedly well mixed the two, must plasticate product；
(6) product of plasticating of step (5) mixes with 10 parts of ATBC, 50 parts of deionized water, is heated to 90 DEG C, stirs
3 parts of accelerator 2-ethyl-4-methylimidazole is added after mixing reaction 1h, then ultrasonic disperse 15min is decompressed to 0.03MPa, steams
Low-boiling point material, obtains initial reaction product；
(7) initial reaction product of step (6) is added into double screw extruder, intermediate reaction product is obtained after melting extrusion
Thing, wherein double-screw extruder screw draw ratio are 20:1, double screw extruder extrusion temperature is：One 150 DEG C of area's temperature, 2nd area
Temperature is 170 DEG C, and three area's temperature are 210 DEG C, and four area's temperature are 230 DEG C；
(8) intermediate reaction product that obtains step (7) is added in autoclave, add 2 parts of dicyclopentadiene with
And appropriate deionized water, 1 part of styrene is added after 25min is stirred in a nitrogen atmosphere, reactor pressure is lifted into 15MPa,
2 parts of liquor potassic permanganate is added dropwise to after mixture is warming up into 150 DEG C, reaction under high pressure 35min obtains final reacting product；
(9) by step (8) prepare obtained by final reacting product be added in mill carry out it is secondary plasticate, preceding roll temperature control
At 180 DEG C, at 170 DEG C, spacing is controlled in 0.1mm back roller temperature control system, adds 3 parts of rollers of diamino-dicyclohexyl methane
Refining, it is thin it is logical repeatedly make it is well mixed plastified, it is well mixed after naturally cool to room temperature, mixed material is transferred to flat board sulphur
In compressing, pelletizing at 180 DEG C in change machine, finished product is obtained.
The performance test results of obtained anti-aging cable sheath material are as shown in table 1.
Comparative example 2
(1) by 15 parts of talcum powder, 12 parts of Firebrake ZB, 8 parts of mixing of ceramic powder, it is milled in addition planetary ball mill machine
Even, it is that 80% glycerin solution is mixed to add 500mL concentration, is subsequently added in comminutor and is granulated, and is made particle diameter
It is 0.7 μm of particle；
(2) 6 parts of polyimide fiber is taken, polyimide fiber is carried out with polyvinyl acetate impregnating agent and hydroxy silicon oil
Pretreatment, is then well mixed, the heating response at 120 DEG C with 5 parts of addition high-speed mixers of pentaerythrite trivinyl ether
20min, modified mixture is obtained after being down to room temperature, and the wherein mass ratio of polyvinyl acetate impregnating agent and hydroxy silicon oil is 1:1, in advance
Processing procedure is that polyimide fiber is completely submerged in the mixed liquor of vinyl acetate size and hydroxy silicon oil to maintain 30min；
(3) by the particle obtained by step (1) and 10 parts of addition banburies of epoxy resin, it is well mixed, is 115 DEG C in temperature
Lower banburying 12min, obtains banburying product；
(4) by the banburying product obtained by step (3) and tetrahydrofuran 20 parts mix, inserting vacuum mixer carries out vacuum
Stirring 10min, then stands 15min, obtains initial mixture；
(5) two roll plastic mixing mill is risen into high-temperature to 220 DEG C, by the initial mixture and polyamide wax micropowder 7 of step (4)
Part adds double roller intermediate melt to plasticate, and is added after it is well mixed between the modified mixture obtained by step (2), adjustment double roller
Away from, roll milling, it is thin it is logical be repeatedly well mixed the two, must plasticate product；
(6) product of plasticating of step (5) mixes with 6 parts of ATBC, 50 parts of deionized water, is heated to 95 DEG C, stirs
3 parts of accelerator 2-ethyl-4-methylimidazole is added after mixing reaction 1.5h, then ultrasonic disperse 18min is decompressed to 0.03MPa, steamed
Go out low-boiling point material, obtain initial reaction product；
(7) initial reaction product of step (6) is added into double screw extruder, intermediate reaction product is obtained after melting extrusion
Thing, wherein double-screw extruder screw draw ratio are 15:1, double screw extruder extrusion temperature is：One 165 DEG C of area's temperature, 2nd area
Temperature is 175 DEG C, and three area's temperature are 225 DEG C, and four area's temperature are 250 DEG C；
(8) intermediate reaction product that obtains step (7) is added in autoclave, add 2 parts of dicyclopentadiene with
And appropriate deionized water, 3 parts of styrene is added after 25min is stirred in a nitrogen atmosphere, reactor pressure is lifted into 15MPa,
2 parts of liquor potassic permanganate is added dropwise to after mixture is warming up into 150 DEG C, reaction under high pressure 30min obtains final reacting product；
(9) by step (8) prepare obtained by final reacting product be added in mill carry out it is secondary plasticate, preceding roll temperature control
At 180 DEG C, at 170 DEG C, spacing is controlled in 0.1mm back roller temperature control system, adds 3 parts of roll millings of modified phenolic hydroxyl group resin, thin
To lead to repeatedly make to be well mixed and plastified, room temperature is naturally cooled to after being well mixed, mixed material is transferred to vulcanizing press
In in compressing, pelletizing at 180 DEG C, obtain finished product.
The performance test results of obtained anti-aging cable sheath material are as shown in table 1.
Comparative example 3
(1) by 15 parts of talcum powder, 12 parts of Firebrake ZB, 8 parts of mixing of ceramic powder, it is milled in addition planetary ball mill machine
Even, it is that 80% glycerin solution is mixed to add 500mL concentration, is subsequently added in comminutor and is granulated, and is made particle diameter
It is 0.8 μm of particle；
(2) 6 parts of polyimide fiber is taken, polyimide fiber is carried out with polyvinyl acetate impregnating agent and hydroxy silicon oil
Pretreatment, is then well mixed, the heating response at 150 DEG C with 5 parts of addition high-speed mixers of pentaerythrite trivinyl ether
25min, modified mixture is obtained after being down to room temperature, and the wherein mass ratio of polyvinyl acetate impregnating agent and hydroxy silicon oil is 1:1, in advance
Processing procedure is that polyimide fiber is completely submerged in the mixed liquor of vinyl acetate size and hydroxy silicon oil to maintain 30min；
(3) by the particle obtained by step (1) and 10 parts of addition banburies of epoxy resin, it is well mixed, is 120 DEG C in temperature
Lower banburying 15min, obtains banburying product；
(4) by the banburying product obtained by step (3) and tetrahydrofuran 20 parts mix, inserting vacuum mixer carries out vacuum
Stirring 10min, then stands 15min, obtains initial mixture；
(5) two roll plastic mixing mill is risen into high-temperature to 200 DEG C, by the initial mixture and polyamide wax micropowder 7 of step (4)
Part adds double roller intermediate melt to plasticate, and is added after it is well mixed between the modified mixture obtained by step (2), adjustment double roller
Away from, roll milling, it is thin it is logical be repeatedly well mixed the two, must plasticate product；
(6) product of plasticating of step (5) mixes with 6 parts of ATBC, 50 parts of deionized water, is heated to 100 DEG C, stirs
3 parts of accelerator 2-ethyl-4-methylimidazole is added after mixing reaction 2h, ultrasonic disperse 20min obtains initial reaction product；
(7) initial reaction product of step (6) is added into double screw extruder, intermediate reaction product is obtained after melting extrusion
Thing, wherein double-screw extruder screw draw ratio are 20:1, double screw extruder extrusion temperature is：One 160 DEG C of area's temperature, 2nd area
Temperature is 180 DEG C, and three area's temperature are 220 DEG C, and four area's temperature are 250 DEG C；
(8) intermediate reaction product that obtains step (7) is added in autoclave, add 2 parts of dicyclopentadiene with
And appropriate deionized water, 3 parts of styrene is added after stirring 25min, reactor pressure is lifted into 15MPa, extremely by mixture liter
Temperature obtains final reacting product to reaction under high pressure 45min after 150 DEG C；
(9) by step (8) prepare obtained by final reacting product be added in mill carry out it is secondary plasticate, preceding roll temperature control
At 180 DEG C, at 170 DEG C, spacing is controlled in 0.1mm back roller temperature control system, add 3 parts of roll millings of di-2-ethylhexylphosphine oxide hexamethylene alkanamine,
It is thin it is logical repeatedly make it is well mixed plastified, it is well mixed after naturally cool to room temperature, mixed material is transferred to compression molding
In compressing, pelletizing at 180 DEG C in machine, finished product is obtained.
The performance test results of obtained anti-aging cable sheath material are as shown in table 1
Cable sheath material anti-aging obtained in embodiment 1-3 and comparative example 1-3 is carried out into anti-wear performance (identical
Friction tester on continuous frictional 500 times), surface resistivity, ageing resistace (keep 10d test intensity to keep at 150 DEG C
Rate) this several tests.
Table 1
| Wear rate (%) | Surface resistivity (Ω) | Heat-resistant aging (%) | |
| Embodiment 1 | 6.32 | 98.36 | |
| Embodiment 2 | 4.81 | 97.55 | |
| Embodiment 3 | 5.07 | 98.08 | |
| Comparative example 1 | 10.92 | 82.63 | |
| Comparative example 2 | 11.28 | 79.59 | |
| Comparative example 3 | 15.83 | 68.67 |
Anti-aging cable sheath material preparation technology of the invention carries out ball by by talcum powder, Firebrake ZB, ceramic powder
Mill, granulation, then with the common banburying of epoxy resin, be subsequently adding tetrahydrofuran vacuum stirring, add polyamide wax micropowder with
And pretreated polyimide fiber and the modified mixture prepared by pentaerythrite trivinyl ether, through plasticating, feeding, surpass
Sound, reduction vaporization, Screw Extrusion, reaction under high pressure, it is secondary plasticate, a series of special processes such as compressing, pelletizing are made finished product.
The cable sheath material being prepared from, its wearability is strong, insulation effect is good and ageing-resistant, with preferable application prospect.This hair
Bright anti-aging cable sheath material raw material is cheap, process is simple, is suitable to heavy industrialization utilization, practical.
Embodiments of the invention are the foregoing is only, the scope of the claims of the invention is not thereby limited, it is every to utilize this hair
Equivalent structure or equivalent flow conversion that bright description is made, or directly or indirectly it is used in other related technology necks
Domain, is included within the scope of the present invention.
Claims (5)
1. a kind of anti-aging cable sheath material preparation method, it is characterised in that comprise the following steps：
(1) by 15 parts of talcum powder, 12 parts of Firebrake ZB, 8 parts of mixing of ceramic powder, it is milled in addition planetary ball mill machine uniformly,
It is that 80% glycerin solution is mixed to add 500mL concentration, is subsequently added in comminutor and is granulated, and being made particle diameter is
0.6-0.8 μm of particle；
(2) 6 parts of polyimide fiber is taken, pre- place is carried out to polyimide fiber with polyvinyl acetate impregnating agent and hydroxy silicon oil
Reason, is then well mixed, the heating response 15- at 150 DEG C with 5 parts of addition high-speed mixers of pentaerythrite trivinyl ether
25min, modified mixture is obtained after being down to room temperature；
(3) by the particle obtained by step (1) and 10 parts of addition banburies of epoxy resin, it is well mixed, is 110-120 DEG C in temperature
Lower banburying 10-15min, obtains banburying product；
(4) by the banburying product obtained by step (3) and tetrahydrofuran 20 parts mix, insert vacuum mixer and be stirred under vacuum
10min, then stands 15min, obtains initial mixture；
(5) two roll plastic mixing mill is risen into high-temperature to 180-200 DEG C, by the initial mixture and polyamide wax micropowder 7 of step (4)
Part adds double roller intermediate melt to plasticate, and is added after it is well mixed between the modified mixture obtained by step (2), adjustment double roller
Away from, roll milling, it is thin it is logical be repeatedly well mixed the two, must plasticate product；
(6) product of plasticating of step (5) mixes with 6 parts of ATBC, 50 parts of deionized water, is heated to 90-100 DEG C, stirs
3 parts of accelerator 2-ethyl-4-methylimidazole is added after mixing reaction 1-2h, then ultrasonic disperse 15-20min is decompressed to
0.03MPa, steams low-boiling point material, obtains initial reaction product；
(7) initial reaction product of step (6) is added into double screw extruder, intermediate reaction product is obtained after melting extrusion, its
Middle double-screw extruder screw draw ratio is 20:1；
(8) intermediate reaction product for obtaining step (7) is added in autoclave, is added 2 parts of dicyclopentadiene and is fitted
The deionized water of amount, 3 parts of styrene is added after 25min is stirred in a nitrogen atmosphere, and reactor pressure is lifted into 15MPa, extremely will
Mixture is added dropwise 2 parts of liquor potassic permanganate after being warming up to 150 DEG C, and reaction under high pressure 35-45min obtains final reacting product；
(9) by step (8) prepare obtained by final reacting product be added in mill carry out it is secondary plasticate, preliminary roller temperature control exists
180 DEG C, at 170 DEG C, spacing is controlled in 0.1mm back roller temperature control, is added 3 parts of roll millings of curing agent, thin logical is repeatedly made mixing
Uniformly plastified, room temperature is naturally cooled to after being well mixed, mixed material is transferred in vulcanizing press and is pushed in 180 DEG C
Type, pelletizing are made, finished product is obtained.
2. anti-aging cable sheath material preparation method according to claim 1, it is characterised in that the step (2)
In polyvinyl acetate impregnating agent used and hydroxy silicon oil mass ratio be 1:1, preprocessing process is that polyimide fiber is complete
Complete being immersed in the mixed liquor of vinyl acetate size and hydroxy silicon oil maintains 30min.
3. anti-aging cable sheath material preparation method according to claim 1, it is characterised in that the step (7)
Middle double screw extruder extrusion temperature is：One 150-160 DEG C of area's temperature, two area's temperature are 170-180 DEG C, and three area's temperature are 210-
220 DEG C, four area's temperature are 230-250 DEG C.
4. anti-aging cable sheath material preparation method according to claim 1, it is characterised in that the step (9)
In curing agent be selected from it is any one in diamino-dicyclohexyl methane, modified phenolic hydroxyl group resin and di-2-ethylhexylphosphine oxide hexamethylene alkanamine
Kind.
5. the anti-aging cable sheath material that the preparation technology according to claim any one of 1-4 is obtained is in power industry
Application.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108390327A (en) * | 2017-07-13 | 2018-08-10 | 四川晓洋新材料科技有限公司 | A kind of FRPVC co-extrusions electric power protecting pipe |
| CN108822728A (en) * | 2018-05-21 | 2018-11-16 | 安徽电信器材贸易工业有限责任公司 | A kind of anti-aging outer coatings of cable |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103992608A (en) * | 2014-04-22 | 2014-08-20 | 天长市富信电子有限公司 | High impact polystyrene sheath material for power cords and preparation method thereof |
| CN105949569A (en) * | 2016-05-27 | 2016-09-21 | 姹や寒 | Environment-friendly and aging-resistant power cable insulating material and preparation method thereof |
| CN105968449A (en) * | 2016-03-14 | 2016-09-28 | 安徽电缆股份有限公司 | High-temperature resistant flame retardant rubber cable material used for electric power |
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2017
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103992608A (en) * | 2014-04-22 | 2014-08-20 | 天长市富信电子有限公司 | High impact polystyrene sheath material for power cords and preparation method thereof |
| CN105968449A (en) * | 2016-03-14 | 2016-09-28 | 安徽电缆股份有限公司 | High-temperature resistant flame retardant rubber cable material used for electric power |
| CN105949569A (en) * | 2016-05-27 | 2016-09-21 | 姹や寒 | Environment-friendly and aging-resistant power cable insulating material and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108390327A (en) * | 2017-07-13 | 2018-08-10 | 四川晓洋新材料科技有限公司 | A kind of FRPVC co-extrusions electric power protecting pipe |
| CN108822728A (en) * | 2018-05-21 | 2018-11-16 | 安徽电信器材贸易工业有限责任公司 | A kind of anti-aging outer coatings of cable |
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