CN106633389A - Modified polypropylene duct for power cable and preparation method thereof - Google Patents
Modified polypropylene duct for power cable and preparation method thereof Download PDFInfo
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- CN106633389A CN106633389A CN201611038487.8A CN201611038487A CN106633389A CN 106633389 A CN106633389 A CN 106633389A CN 201611038487 A CN201611038487 A CN 201611038487A CN 106633389 A CN106633389 A CN 106633389A
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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
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
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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
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/18—Applications used for pipes
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
- C08L2203/202—Applications use in electrical or conductive gadgets use in electrical wires or wirecoating
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/10—Peculiar tacticity
- C08L2207/14—Amorphous or atactic polypropylene
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Abstract
The invention relates to the field of cable ducts, and discloses a modified polypropylene duct for a power cable and a preparation method of the modified polypropylene duct for the power cable. The duct is prepared from the following components in parts by mass: 90 to 110 parts of polypropylene, 5 to 10 parts of styrene butadiene rubber, 5 to 10 parts of phenoxy resin, 5 to 10 parts of an ethylene-vinyl acetate copolymer, 10 to 20 parts of tetrabutyl titanate, 5 to 10 parts of a silane coupling agent, 2 to 6 parts of a functional additive, 0.1 to 0.5 part of an antioxidant, 1 to 3 parts of a stabilizer, 90 to 110 parts of xylene, 10 to 20 parts of ethanol, and 5 to 20 parts of water. The modified polypropylene duct for the power cable disclosed by the invention is good in dispersion of each component and compatibility in materials, and the modified polypropylene material is relatively good in toughness, impact resistance and antibacterial properties, and long in service life.
Description
Technical field
The present invention relates to cable duct tube field, more particularly to a kind of power cable modified polypropene conduit and its preparation side
Method.
Background technology
Polypropylene pipe is a kind of green building material, and polypropylene plastics is nontoxic, tasteless, light weight, corrosion-resistant；With good
Dielectric properties and high-frequency insulation and do not affected by humidity, but polypropylene becomes fragile in low temperature, it is not wear-resisting, easily aging, cause
Polypropylene pipe crushing resistance and low-temperature impact resistance are poor, its application are which limits, when it is used as underground laying cable
Requirement can not be fully met during cable duct tube.
The Chinese patent of Application No. 201210096621.5 discloses a kind of modified polypropene cable duct tube, by modified poly-
Propylene material is made；By weight, the modified polypropylene material consist of 100 parts of base-material, polytetrafluoroethylene (PTFE) 0.1-1 parts,
Calcium stearate 0.1-1 parts, antioxidant 0.2-1 parts, pigment 0.01-0.1 parts, wherein base-material are by the poly- of 85-95% (weight)
The ethylene propylene diene rubber composition of propylene and 5-15% (weight).The modified polypropene cable duct tube of the present invention has following excellent
Performance：(1) excellent electric insulating quality；(2) shock resistance is good；(3) heat distortion temperature is higher, low-temperature impact resistance compared with
It is good, can under -10 DEG C -70 DEG C of environment temperature Long-Time Service；(4) preferably tensile property and compressive property；(5) light weight, table
Face is smooth, and frictional resistance is little when wearing cable, and heat-fusible weldering docking.
But above-mentioned modified polypropylene material is simply simply blended each component, and wherein each component is compatible
Property, dispersiveness it is poor, it is uneven to result in the performances such as toughness, the impact resistance at each position of cable duct tube, affects product quality.
The content of the invention
In order to solve above-mentioned technical problem, the invention provides a kind of power cable modified polypropene conduit and its preparation
Method.The power cable of the present invention is good with each component dispersiveness, compatibility in the material of modified polypropene conduit, modified polypropene
Material has preferable toughness, impact resistance and antibiotic property, long service life.
The present invention concrete technical scheme be：A kind of power cable modified polypropene conduit, by the group of following mass parts
Divide and be obtained：
Polypropylene 90-110 parts,
Butadiene-styrene rubber 5-10 parts,
Focus ratio 5-10 parts,
Ethylene-vinyl acetate copolymer 5-10 parts,
Butyl titanate 10-20 parts,
Silane coupler 5-10 parts,
Functional additive 2-6 parts,
Antioxidant 0.1-0.5 parts,
Stabilizer 1-3 parts,
Dimethylbenzene 90-110 parts,
Ethanol 10-20 parts,
Water 5-10 parts.
In the modified polypropylene material of the present invention, by polypropylene, butadiene-styrene rubber, focus ratio and ethene-vinyl acetate
Copolymer is blended together compounding.Because the toughness of polypropylene itself is poor, quality is more crisp, and impact resistance is weaker, makes cable
Easy pressure-rupturable after conduit.Compounding has after butadiene-styrene rubber, focus ratio and ethylene-vinyl acetate copolymer, can be significantly
Improve polyacrylic toughness and impact resistance.
And butyl titanate can be hydrolyzed in preparation process and become gel, polyacrylic toughness, shock resistance are further improved
Property and heat-resistant stability.Silane coupler can improve dispersiveness and phase of the inorganic matter in organic matter in modified polypropylene material
Capacitive.
Functional additive can further improve toughness, the antibiotic property of modified polypropene.Can be conventional with above-mentioned
The polypropylene functional additive of function or the homemade functional additive with above-mentioned functions.
Antioxidant can improve the oxidation resistance of plastics, increase the service life.The heat that stabilizer can improve plastics is steady
Qualitative and chemical stability.
Preferably, the polypropylene is by the isotactic polypropylene of 70-80wt% and the random polypropylene group of 20-30wt%
Into.Polyacrylic combination property under said ratio is more excellent, on the premise of ensureing to meet rigid requirements, makes material more tough
Property.
Preferably, the content of vinyl acetate is 40-50wt% during the ethylene-vinyl acetate copolymer copolymerization.Altogether
The amount of ethene and vinyl acetate is controlled in aforementioned proportion scope when poly-, the EVA that copolymerization is obtained is elastomer, it is pliability, slow
Punching performance is good.
Preferably, the stabilizer is calcium stearate.
Preferably, the antioxidant is four [β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol esters.
Preferably, the silane coupler is selected from MTMS, γ-glycidyl ether oxygen propyl trimethoxy
Base silane or phenyltrimethoxysila,e.
Preferably, the preparation method of the functional additive is：First prepare obtain nitric acid zinc concentration for 15-20wt%,
Nitric acid copper concentration is the metal ion solution of 15-20wt%；Cellulose is separately weighed, is added to 1- butyl, 3- methylene diacetate miaows
40-50 DEG C is heated in azoles ionic liquid and prepares the cellulose solution for obtaining that cellulose concentration is 20-30wt%；In stirring bar
Under part, 1-2 by volume:1 drops to cellulose solution in metal ion solution with the drop speed of 0.2-0.4mL/sec；It is added dropwise
1-3h is stood at 30-40 DEG C after finishing, mixed liquor is obtained；Mixed liquor is positioned in -20 DEG C to -10 DEG C refrigerators and is freezed, 24-
Impregnated in after 48h in clear water and thaw, obtain wet gel；Wet gel is carried out into solvent displacement, drying, crushing with enough ethanol
After obtain metal ion grafted cellulose aerogel powder, as functional additive.
Functional additive obtained in said method, in tiny aerogel powder shape.In preparation process, by metal ion
Be grafted under given conditions on cellulose, further with cellulose crosslinked formation gel, finally obtain metal ion grafting fine
The plain aerogel powder of dimension.The cellulose aerogels powder has several functions：
On the one hand, the cellulose in cellulose aerogels has a large amount of active groups, can be in modified polypropene preparation process
Crosslink with some active groups of other components, the toughness and intensity of reinforced plastics are not susceptible to break when making tubing
Split, impact resistance is strong.
On the other hand, due to being grafted with magnetic metal ion, therefore having the antibacterial functions for.Although polypropylene itself is not
Easily by microbial attacks such as bacteriums, but because containing many additives, these materials are but easily degraded, so as to make indirectly
Polyacrylic ageing of performance.Therefore also have at present and antiseptic is added with modified polypropene.But it is typically all directly to mix
The mode of conjunction is added.Said method leaves many problems.First it is antiseptic in the plastic dispersed poor；Next to that antibacterial
Agent is not sufficiently stable in the plastic, is easily lost in；Furthermore it is that, due to environment, antiseptic antibacterial activity in the plastic is poor.
Elder generation's zinc of the invention, copper ion are grafted on cellulose, and cellulose gel is obtained, and efficiently solve common antiseptic
Dispersed in the plastic, stability difference technical problem.And zinc, copper ion are used as antiseptic, with common single antiseptic
Except for the difference that, it combines ion antibacterial principle and micro- magnetic principle of electric field, and the ionization for strengthening metal ion by micro- magnetic field is lived
Property and intensity, can effectively destroy bacteria cell wall and cell membrane to reach antibacterial purpose.Therefore its is affected by environment little, in modeling
Antibacterial activity in material is high.
Preferably, the particle diameter of the functional additive is 0.5-10 microns.
A kind of power cable preparation method of modified polypropene conduit, step is as follows：
(1) each component is weighed respectively by proportioning.
(2) by polypropylene, butadiene-styrene rubber, focus ratio, ethylene-vinyl acetate copolymer together blended melting, obtain
Mixed resin.
(3) butyl titanate, silane coupler, dimethylbenzene are well mixed and obtain precursor liquid.
(4) adding mixed resin into precursor liquid is completely dissolved mixed resin, then adds functional additive simultaneously
Stir；Then addition is pre-mixed uniform second alcohol and water, and it is 1-3 to adjust pH with acetum, is heated to 40-50
DEG C, hydrolysis 2-4h, Jing vacuum drying after reaction, the blending extrusion granulation in double screw extruder with antioxidant, stabilizer
After obtain modified polypropylene material.
(5) obtained modified polypropylene material is added in extrusion shaping machine, prepared power cable modified polypropene
Conduit.
In the preparation process in accordance with the present invention, first by polypropylene, butadiene-styrene rubber, focus ratio, ethene-vinyl acetate copolymerization
Four kinds of matrix materials of thing are sufficiently mixed；Then butyl titanate, silane coupler, dimethylbenzene are closed and uniformly obtains precursor liquid；
Then mixed resin is dissolved into precursor liquid.In step (3), mixed resin is sufficiently mixed with precursor liquid, metatitanic acid four
Butyl ester after adding water and ethanol, is hydrolyzed as presoma, generates network-like structure colloid.Due to inorganic before hydrolysis
Thing is mutually mixed with organic matter, therefore in hydrolysis, butyl titanate occurs in-situ hydrolysis in organic molecule structure, so as to be formed
The inierpeneirating network structure that organic matter and inorganic matter are cross-linked with each other.Under such configuration each component is dispersed, steady in matrix material
It is qualitative more preferably；Toughness, the impact resistance of obtained modified polypropene is more uniform, stable.
It is pointed out that the addition of ethanol and acetum can affect hydrolysis (the inorganic network shape of butyl titanate
Into) process, the present inventor drawn under above-mentioned specific addition through studying for a long period of time, the network that inorganic matter and organic matter are formed
Structure more preferably, dispersiveness, it is stable more preferably.
It is compared with the prior art, the invention has the beneficial effects as follows：The power cable modified polypropene conduit of the present invention
Each component dispersiveness, compatibility are good in material, and modified polypropylene material has preferable toughness, impact resistance and antibiotic property, makes
Use life-span length.
Specific embodiment
With reference to embodiment, the invention will be further described.
Embodiment 1
A kind of power cable modified polypropene conduit, is obtained by the component of following mass parts：
100 parts of polypropylene (isotactic polypropylene of 75wt% and the random polypropylene of 25wt%),
8 parts of butadiene-styrene rubber,
7 parts of focus ratio,
8 parts of ethylene-vinyl acetate copolymer (content of vinyl acetate is 45wt%),
15 parts of butyl titanate,
7 parts of silane coupler (phenyltrimethoxysila,e),
4 parts of functional additive,
Antioxidant four [β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid] 0.3 part of pentaerythritol ester,
2 parts of stabilizer calcium stearate,
100 parts of dimethylbenzene,
15 parts of ethanol,
8 parts of water.
The above-mentioned power cable preparation method of modified polypropene conduit, step is as follows：
(1) first prepare and obtain nitric acid zinc concentration for 18wt%, the metal ion solution that nitric acid copper concentration is 18wt%；Separately weigh
Cellulose, is added to 1- butyl, 45 DEG C are heated in 3- methylene diacetate imidazolium ionic liquids prepare to obtain cellulose concentration and be
The cellulose solution of 25wt%；Under agitation, by volume 1.5:1 drips cellulose solution with the drop speed of 0.3mL/sec
In adding to metal ion solution；2h is stood at 35 DEG C after completion of dropping, mixed liquor is obtained；Mixed liquor is positioned over into 15 DEG C of refrigerators
Middle freezing, impregnated in clear water after 36h and thaws, and obtain wet gel；Wet gel is carried out into solvent displacement with enough ethanol, Jing does
The metal ion grafted cellulose aerogel powder that particle diameter is 3-7 microns, as functional additive are obtained after dry, crushing.
(2) each component is weighed respectively by proportioning.
(3) by polypropylene, butadiene-styrene rubber, focus ratio, ethylene-vinyl acetate copolymer together blended melting, obtain
Mixed resin.
(4) butyl titanate, silane coupler, dimethylbenzene are well mixed and obtain precursor liquid.
(5) adding mixed resin into precursor liquid is completely dissolved mixed resin, then adds functional additive simultaneously
Stir；Then addition is pre-mixed uniform second alcohol and water, and it is 2 or so to adjust pH with acetum, is heated to 45 DEG C,
Hydrolysis 3h, Jing vacuum drying after reaction is obtained in double screw extruder with antioxidant, stabilizer after blending extrusion granulation
Modified polypropylene material.
(6) obtained modified polypropylene material is added in extrusion shaping machine, prepared power cable modified polypropene
Conduit.
Embodiment 2
A kind of power cable modified polypropene conduit, is obtained by the component of following mass parts：
90 parts of polypropylene (isotactic polypropylene of 70wt% and the random polypropylene of 30wt%),
10 parts of butadiene-styrene rubber,
5 parts of focus ratio,
10 parts of ethylene-vinyl acetate copolymer (content of vinyl acetate is 40wt%),
10 parts of butyl titanate,
5 parts of silane coupler (γ-glycidyl ether oxygen propyl trimethoxy silicane),
6 parts of functional additive,
Antioxidant four [β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid] 0.1 part of pentaerythritol ester,
1 part of stabilizer calcium stearate,
90 parts of dimethylbenzene,
Ethanol 10- parts,
5 parts of water.
The above-mentioned power cable preparation method of modified polypropene conduit, step is as follows：
(1) first prepare and obtain nitric acid zinc concentration for 15wt%, the metal ion solution that nitric acid copper concentration is 15wt%；Separately weigh
Cellulose, is added to 1- butyl, 40 DEG C are heated in 3- methylene diacetate imidazolium ionic liquids prepare to obtain cellulose concentration and be
The cellulose solution of 20wt%；Under agitation, by volume 1:1 is added dropwise cellulose solution with the drop speed of 0.2mL/sec
Into metal ion solution；3h is stood at 30 DEG C after completion of dropping, mixed liquor is obtained；Mixed liquor is positioned over into -20 DEG C of refrigerators
Middle freezing, impregnated in clear water after 24h and thaws, and obtain wet gel；Wet gel is carried out into solvent displacement with enough ethanol, Jing does
The metal ion grafted cellulose aerogel powder that particle diameter is 0.5-3 microns, as functional additive are obtained after dry, crushing.
(2) each component is weighed respectively by proportioning.
(3) by polypropylene, butadiene-styrene rubber, focus ratio, ethylene-vinyl acetate copolymer together blended melting, obtain
Mixed resin.
(4) butyl titanate, silane coupler, dimethylbenzene are well mixed and obtain precursor liquid.
(5) adding mixed resin into precursor liquid is completely dissolved mixed resin, then adds functional additive simultaneously
Stir；Then addition is pre-mixed uniform second alcohol and water, and it is 1 or so to adjust pH with acetum, is heated to 40 DEG C,
Hydrolysis 4h, Jing vacuum drying after reaction is obtained in double screw extruder with antioxidant, stabilizer after blending extrusion granulation
Modified polypropylene material.
(6) obtained modified polypropylene material is added in extrusion shaping machine, prepared power cable modified polypropene
Conduit.
Embodiment 3
A kind of power cable modified polypropene conduit, is obtained by the component of following mass parts：
110 parts of polypropylene (isotactic polypropylene of 80wt% and the random polypropylene of 20wt%),
5 parts of butadiene-styrene rubber,
10 parts of focus ratio,
5 parts of ethylene-vinyl acetate copolymer (content of vinyl acetate is 50wt%),
20 parts of butyl titanate,
10 parts of silane coupler (MTMS),
2 parts of functional additive,
Antioxidant four [β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid] 0.5 part of pentaerythritol ester,
3 parts of stabilizer calcium stearate,
110 parts of dimethylbenzene,
20 parts of ethanol,
10 parts of water.
The above-mentioned power cable preparation method of modified polypropene conduit, step is as follows：
(1) first prepare and obtain nitric acid zinc concentration for 20wt%, the metal ion solution that nitric acid copper concentration is 20wt%；Separately weigh
Cellulose, is added to 1- butyl, 50 DEG C are heated in 3- methylene diacetate imidazolium ionic liquids prepare to obtain cellulose concentration and be
The cellulose solution of 30wt%；Under agitation, by volume 2:1 is added dropwise cellulose solution with the drop speed of 0.4mL/sec
Into metal ion solution；1h is stood at 40 DEG C after completion of dropping, mixed liquor is obtained；Mixed liquor is positioned over into -10 DEG C of refrigerators
Middle freezing, impregnated in clear water after 48h and thaws, and obtain wet gel；Wet gel is carried out into solvent displacement with enough ethanol, Jing does
The metal ion grafted cellulose aerogel powder that particle diameter is 7-10 microns, as functional additive are obtained after dry, crushing.
(2) each component is weighed respectively by proportioning.
(3) by polypropylene, butadiene-styrene rubber, focus ratio, ethylene-vinyl acetate copolymer together blended melting, obtain
Mixed resin.
(4) butyl titanate, silane coupler, dimethylbenzene are well mixed and obtain precursor liquid.
(5) adding mixed resin into precursor liquid is completely dissolved mixed resin, then adds functional additive simultaneously
Stir；Then addition is pre-mixed uniform second alcohol and water, and it is 3 or so to adjust pH with acetum, is heated to 50 DEG C,
Hydrolysis 2h, Jing vacuum drying after reaction is obtained in double screw extruder with antioxidant, stabilizer after blending extrusion granulation
Modified polypropylene material.
(6) obtained modified polypropylene material is added in extrusion shaping machine, prepared power cable modified polypropene
Conduit.
Properties test, test result such as following table are carried out with modified polypropene conduit to power cable obtained in the present invention
It is shown：
Falling weight impact test, test condition such as following table institute are carried out with modified polypropene conduit to power cable obtained in the present invention
Show：
At the conditions of the experiments described above, sample is and crack or rupture occurs.
Raw materials used in the present invention, equipment, unless otherwise noted, is the conventional raw material, equipment of this area；In the present invention
Method therefor, unless otherwise noted, is the conventional method of this area.
The above, is only presently preferred embodiments of the present invention, and not the present invention is imposed any restrictions, every according to the present invention
Any simple modification, change and equivalent transformation that technical spirit is made to above example, still fall within the technology of the present invention side
The protection domain of case.
Claims (9)
1. a kind of power cable modified polypropene conduit, it is characterised in that be obtained by the component of following mass parts：
Polypropylene 90-110 parts,
Butadiene-styrene rubber 5-10 parts,
Focus ratio 5-10 parts,
Ethylene-vinyl acetate copolymer 5-10 parts,
Butyl titanate 10-20 parts,
Silane coupler 5-10 parts,
Functional additive 2-6 parts,
Antioxidant 0.1-0.5 parts,
Stabilizer 1-3 parts,
Dimethylbenzene 90-110 parts,
Ethanol 10-20 parts,
Water 5-10 parts.
2. a kind of power cable modified polypropene conduit as claimed in claim 1, it is characterised in that the polypropylene by
The isotactic polypropylene of 70-80wt% and the random polypropylene composition of 20-30wt%.
3. a kind of power cable modified polypropene conduit as claimed in claim 1, it is characterised in that the ethyl vinyl acetate
The content of vinyl acetate is 40-50wt% during ethylene copolymer copolymerization.
4. a kind of power cable modified polypropene conduit as claimed in claim 1, it is characterised in that the stabilizer is hard
Resin acid calcium.
5. a kind of power cable modified polypropene conduit as claimed in claim 1, it is characterised in that the antioxidant is four
[β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester.
6. a kind of power cable modified polypropene conduit as claimed in claim 1, it is characterised in that the silane coupler
Selected from MTMS, γ-glycidyl ether oxygen propyl trimethoxy silicane or phenyltrimethoxysila,e.
7. a kind of power cable modified polypropene conduit as claimed in claim 1, it is characterised in that the functional additive
Preparation method be：It is molten that first preparation obtains the metal ion that nitric acid zinc concentration is 15-20wt%, nitric acid copper concentration is 15-20wt%
Liquid；Cellulose is separately weighed, is added to 1- butyl, 40-50 DEG C is heated in 3- methylene diacetate imidazolium ionic liquids with prepared
To the cellulose solution that cellulose concentration is 20-30wt%；Under agitation, 1-2 by volume:1 by cellulose solution with
The drop speed of 0.2-0.4mL/sec is dropped in metal ion solution；1-3h is stood at 30-40 DEG C after completion of dropping, is mixed
Close liquid；Mixed liquor is positioned in -20 DEG C to -10 DEG C refrigerators and is freezed, be impregnated in after 24-48h in clear water and thaw, obtain wet solidifying
Glue；Wet gel is carried out into solvent displacement with enough ethanol, after drying, crushing metal ion grafted cellulose aeroge is obtained
Powder, as functional additive.
8. a kind of power cable modified polypropene conduit as claimed in claim 7, it is characterised in that the functional additive
Particle diameter be 0.5-10 microns.
9. a kind of preparation method of modified polypropene conduit of the power cable as described in one of claim 1-8, its feature exists
It is as follows in step：
（1）Each component is weighed respectively by proportioning；
（2）By polypropylene, butadiene-styrene rubber, focus ratio, ethylene-vinyl acetate copolymer together blended melting, mixed
Base-material；
（3）Butyl titanate, silane coupler, dimethylbenzene are well mixed and obtain precursor liquid；
（4）Mixed resin is added into precursor liquid is completely dissolved mixed resin, then adds functional additive and stirs
Uniformly；Then addition is pre-mixed uniform second alcohol and water, and it is 1-3 to adjust pH with acetum, is heated to 40-50 DEG C, water
Solution reaction 2-4h, Jing vacuum drying after reaction is obtained in double screw extruder with antioxidant, stabilizer after blending extrusion granulation
Modified polypropylene material；
（5）Obtained modified polypropylene material is added in extrusion shaping machine, power cable modified polypropene conduit is obtained.
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| CN201611038487.8A CN106633389B (en) | 2016-11-23 | 2016-11-23 | A kind of power cable modified polypropene conduit and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107240895A (en) * | 2017-08-03 | 2017-10-10 | 安徽省又川新材料科技有限公司 | A kind of compound MPP cable duct tubes and preparation method thereof |
| CN107312244A (en) * | 2017-08-03 | 2017-11-03 | 安徽省又川新材料科技有限公司 | A kind of MPP cable duct tubes inner tube and preparation method thereof |
| CN114672097A (en) * | 2022-04-25 | 2022-06-28 | 广东中讯通讯设备实业有限公司 | High-toughness modified polypropylene power conduit and preparation method thereof |
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| CN114672097A (en) * | 2022-04-25 | 2022-06-28 | 广东中讯通讯设备实业有限公司 | High-toughness modified polypropylene power conduit and preparation method thereof |
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