CN108929488A - A kind of High-performance power protecting pipe and preparation method thereof - Google Patents
A kind of High-performance power protecting pipe and preparation method thereof Download PDFInfo
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- CN108929488A CN108929488A CN201810831280.9A CN201810831280A CN108929488A CN 108929488 A CN108929488 A CN 108929488A CN 201810831280 A CN201810831280 A CN 201810831280A CN 108929488 A CN108929488 A CN 108929488A
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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
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
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- C08K2003/282—Binary compounds of nitrogen with aluminium
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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
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- 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
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- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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Abstract
The invention discloses a kind of High-performance power protecting pipes and preparation method thereof, it is related to electric power Material Field, raw material including following parts by weight meter: 50-60 parts of polypropylene, 23-30 parts of EP rubbers, 18-23 parts of Styrene-Butadiene-Styrene Block Copolymer, 5-12 parts of linolenic acid methyl esters of epoxy acetyl, 7-18 parts of precipitated calcium carbonate, 2-5 parts of barium titanate powder, 5-12 parts of modification infusorial earth, 1-3 parts of nano aluminum nitride, 7-13 parts of nanometer silicon carbide, 4-10 parts of nano-titanium dioxide, 12-18 parts of glass fibre, 2-5 parts of expanded graphite, 0.7-1.3 parts and light stabilizer 0.5-1.2 parts of antioxidant；Electric power protecting pipe of the present invention passes through the associated effect between raw material, and with good pair of mechanical mechanics property, tension fracture resistance is excellent, while having good anti-flammability and corrosion resistance, and preparation method is simple, easy to operate.
Description
Technical field
The present invention relates to electric power Material Fields, and in particular to a kind of High-performance power protecting pipe and preparation method thereof.
Background technique
Electric power protecting pipe is common insulation protection heat-shrinkable T bush on a kind of cable, and electric power protecting pipe, which generally requires, to be applied
Various adverse circumstances, including seabed, snowfield and saline-alkali environment etc..Since use environment is severe, need to plastic material into
Row enhancing is modified, with higher ring stiffness, to resist extraneous load；Stronger cold-resistant temperature capacity is needed, and
And be not easy to be corroded and be unlikely to deform, the features such as long service life.Often there are various performances in electric power protecting pipe in the prior art
It cannot have both, application range is not extensive enough, and technical staff is often very difficult for the type of varying environment selection electric power protecting pipe.
Chinese patent CN103724879B discloses a kind of electric power protecting pipe and preparation method thereof, by following weight parts
Raw material is prepared, barium titanate powder 2, aluminum nitride powder 2, and be carbonized chromium powder 2, borax 2, talcum powder 2, Paris white 2, silica gel 2, ten bromines
Diphenylethane 5, stearic acid 8, starch ether 10, chitin 15, polycarbonate 20, hydroxyethyl cellulose 30, polyvinyl alcohol 36, polychlorostyrene
Ethylene 45；Material of the present invention has good drawing mechanical performance, but the anti-flammability of material is not high enough, and polyvinyl chloride material
Material burning generates harmful vapors, pollutes environment.
Chinese patent CN102391591A discloses a kind of polrvinyl chloride electric power protecting sleeve and its processing method, polyvinyl chloride
Electric power protecting pipe is made of following raw material in parts by weight: 100 parts of Corvic, 0.5-5 parts of heat stabilizer, heat resistance modified
3-10 parts of agent, 5-20 parts of ridigity modiifying agent, 0.5-5 parts of lubricant, 0.5-5 parts of processing aid, 0-25 parts of filler, impact modification
0-8 parts of agent, 0-5 parts of pigment.Polrvinyl chloride electric power protecting sleeve of the present invention is assisted by heat-proof modifier and rigidity reinforced, toughening particle
With enhancing, the heat resistance of material is improved, each component is played a role using Recompounded multielement technology, collaboration, is especially introduced rigidity and is changed
Property agent, effectively reduces the addition number of heat-proof modifier, while increasing the rigidity, heat resistance, impact strength of system, but
Be Corvic antioxygenic property it is poor, with season cracking, influence comprehensive performance.
Summary of the invention
Aiming at the problems existing in the prior art, the present invention provides a kind of High-performance power protecting pipe and its preparation sides
Method, electric power protecting pipe of the present invention passes through the associated effect between raw material, with good pair of mechanical mechanics property, tension fold resistance
Can be excellent, while there is good anti-flammability and corrosion resistance, preparation method is simple, easy to operate.
In order to achieve the above object, the present invention is achieved through the following technical solutions:
A kind of High-performance power protecting pipe, the raw material including following parts by weight meter:
50-60 parts of polypropylene, 23-30 parts of EP rubbers, 18-23 parts of Styrene-Butadiene-Styrene Block Copolymer,
5-12 parts of epoxy acetyl linolenic acid methyl esters, 2-5 parts of barium titanate powder, 5-12 parts of modification infusorial earth, is received 7-18 parts of precipitated calcium carbonate
Rice 1-3 parts of aluminium nitride, 7-13 parts of nanometer silicon carbide, 4-10 parts of nano-titanium dioxide, 12-18 parts of glass fibre, expanded graphite 2-5
Part, 0.7-1.3 parts of antioxidant and 0.5-1.2 parts of light stabilizer.
Preferably, the raw material including following parts by weight meter: 52-58 parts of polypropylene, 25-28 parts of EP rubbers, styrene-fourth
20-22 parts of styrene block copolymer, 7-10 parts of epoxy acetyl linolenic acid methyl esters, 11-14 parts of precipitated calcium carbonate, titanium
3-4 parts of sour barium powder, 7-11 parts of modification infusorial earth, 1.5-2.5 parts of nano aluminum nitride, 9-11 parts of nanometer silicon carbide, nanometer titanium dioxide
5-9 parts of titanium, 14-16 parts of glass fibre, 3-4 parts of expanded graphite, 0.9-1.1 parts of antioxidant and 0.7-1 parts of light stabilizer.
Preferably, the raw material including following parts by weight meter: 56 parts of polypropylene, 26 parts of EP rubbers, styrene-butadiene-
21 parts of styrene block copolymer, 13 parts of precipitated calcium carbonate, 3.5 parts of barium titanate powder, changes 9 parts of epoxy acetyl linolenic acid methyl esters
Property 9 parts of diatomite, 2 parts of nano aluminum nitride, 10 parts of nanometer silicon carbide, 7 parts of nano-titanium dioxide, 15 parts of glass fibre, expansion stone
3.5 parts of ink, 1 part of antioxidant and 0.9 part of light stabilizer.
Preferably, the modification infusorial earth the preparation method comprises the following steps:
(1) diatomite is placed on the calcining furnace high temperature under 400-450 degrees Celsius to roast 2-3 hours, is cooled to room temperature,
It is added in the sulfuric acid solution of 30-35%, after 4-5 hours are stirred to react under 90-100 degrees Celsius, is washed with water, filter, by it
Drying；
(2) pentaerythritol triacrylate, silane coupling agent and nano-aluminum hydroxide will be added in the diatomite after drying
After being uniformly mixed, place ball mill in ground, cross 300-400 mesh to get.
Preferably, the dosage matter of the diatomite, pentaerythritol triacrylate, silane coupling agent and nano-aluminum hydroxide
Amount is than being 100:3-5:1-2:5-8.
Preferably, the antioxidant is three (2,4- di-tert-butyl-phenyl) phosphites, β-(- 4 hydroxyl of 3,5- di-t-butyl
Phenyl) one of propionic acid n-octadecyl alcohol ester and four (β-(- 4 hydroxy phenyl of 3,5- di-t-butyl) propionic acid) pentaerythritol esters or
Several combinations.
Preferably, the light stabilizer be in dihydroxy benaophenonel light stabilizer and hydroxybenzotriazole light stabilizer extremely
Few one kind.
A kind of preparation method of above-mentioned High-performance power protecting pipe is disclosed in the present invention, specifically, comprising the following steps:
(1) by precipitated calcium carbonate, barium titanate powder, modification infusorial earth, nano aluminum nitride, nanometer silicon carbide, nanometer titanium dioxide
After being mixed 15-20 minutes in titanium, glass fibre addition high-speed mixer, mixture is put into drying machine at 85-95 degrees Celsius
Under, it dries 5 hours, obtains mixed fillers；
(2) by polypropylene, EP rubbers, Styrene-Butadiene-Styrene Block Copolymer, epoxy acetyl linolenic acid
Methyl esters, antioxidant, light stabilizer and expanded graphite mixing are added in high-speed shearing machine, are warming up to 110-118 degrees Celsius, cut at a high speed
After cutting 8-15 minutes, mixed fillers made from step (1) are added, continue shearing 18-25 minutes；
(3) product made from step (2) is placed in after being kneaded in mixer, adds twin-screw extrude squeeze out and makes
Grain, to get the High-performance power protecting pipe after the cooling drying of pellet.
Preferably, melting temperature is 122-127 degrees Celsius, mixing time 6-12 minutes in the step (3).
Preferably, the extrusion temperature in the step (3) in double screw extruder is 168-175 degrees Celsius, screw speed
It is 30-40 revs/min.
The present invention have it is following the utility model has the advantages that
(1) electric power protecting pipe of the present invention is resisted by the associated effect between raw material with good pair of mechanical mechanics property
It draws fracture resistance excellent, while there is good anti-flammability and corrosion resistance, preparation method is simple, easy to operate.
(2) modification infusorial earth is added in the present invention, diatomite has good corrosion resistance and weatherability, is added to material
In can be enhanced the comprehensive performance of material, by modification in the present invention, the impurity in diatomite can be removed, significantly improved
The content of silica improves the specific surface area of diatomite, improves the interfacial force between diatomite and polymer, while passing through season penta
Tetrol triacrylate, silane coupling agent and nano-aluminum hydroxide are modified diatomite, and the surface of the diatomite of raising is living
Property.
(3) it is acted synergistically in the present invention by nano aluminum nitride and expanded graphite, improves the flame retardant property of material, receive simultaneously
Rice aluminium nitride can be filled into the gap of material, improve the compactness of material.
(4) present invention melts conduct by polypropylene, EP rubbers and Styrene-Butadiene-Styrene Block Copolymer
The matrix of material, polypropylene have good corrosion resistance and hardness, and EP rubbers can improve polyacrylic easy friability, mention
The wearability and fold resistance of material can be improved in the mechanical tenacity of high material, Styrene-Butadiene-Styrene Block Copolymer.
Specific embodiment
Below with reference to embodiment, further description of the specific embodiments of the present invention, and following embodiment is only used for more
Technical solution of the present invention is clearly demonstrated, and not intended to limit the protection scope of the present invention.
Embodiment 1
A kind of High-performance power protecting pipe, the raw material including following parts by weight meter:
50 parts of polypropylene, 23 parts of EP rubbers, 18 parts of Styrene-Butadiene-Styrene Block Copolymer, epoxy acetyl are sub-
5 parts of numb methyl oleate, 7 parts of precipitated calcium carbonate, 2 parts of barium titanate powder, 5 parts of modification infusorial earth, 1 part of nano aluminum nitride, nano silicon carbide
7 parts of silicon, 4 parts of nano-titanium dioxide, 12 parts of glass fibre, 2 parts of expanded graphite, 0.7 part of antioxidant and 0.5 part of light stabilizer.
Modification infusorial earth the preparation method comprises the following steps:
(1) diatomite is placed on the calcining furnace high temperature under 400 degrees Celsius to roast 2 hours, is cooled to room temperature, is added
It in 30% sulfuric acid solution, after 4 hours are stirred to react under 90 degrees Celsius, is washed with water, filters, be baked to；
(2) pentaerythritol triacrylate, silane coupling agent and nano-aluminum hydroxide will be added in the diatomite after drying
After being uniformly mixed, place ball mill in ground, cross 300 meshes to get.
Diatomite, pentaerythritol triacrylate, silane coupling agent and nano-aluminum hydroxide dosage mass ratio be 100:
3:1:5。
Antioxidant is three (2,4- di-tert-butyl-phenyl) phosphites.
Light stabilizer is dihydroxy benaophenonel light stabilizer.
The preparation method of High-performance power protecting pipe in the present embodiment, specifically, comprising the following steps:
(1) by precipitated calcium carbonate, barium titanate powder, modification infusorial earth, nano aluminum nitride, nanometer silicon carbide, nanometer titanium dioxide
After being mixed 15 minutes in titanium, glass fibre addition high-speed mixer, mixture is put into drying machine under 85 degrees Celsius, is dried
5 hours, obtain mixed fillers；
(2) by polypropylene, EP rubbers, Styrene-Butadiene-Styrene Block Copolymer, epoxy acetyl linolenic acid
Methyl esters, antioxidant, light stabilizer and expanded graphite mixing are added in high-speed shearing machine, are warming up to 110 degrees Celsius, high speed shear 8
After minute, mixed fillers made from step (1) are added, continue shearing 18 minutes；
(3) product made from step (2) is placed in after being kneaded in mixer, adds twin-screw extrude squeeze out and makes
Grain, to get the High-performance power protecting pipe after the cooling drying of pellet.
Melting temperature is 122 degrees Celsius, mixing time 6 minutes in step (3).
Extrusion temperature in step (3) in double screw extruder is 168 degrees Celsius, and screw speed is 30 revs/min.
Embodiment 2
A kind of High-performance power protecting pipe, the raw material including following parts by weight meter:
60 parts of polypropylene, 30 parts of EP rubbers, 23 parts of Styrene-Butadiene-Styrene Block Copolymer, epoxy acetyl are sub-
12 parts of numb methyl oleate, 18 parts of precipitated calcium carbonate, 5 parts of barium titanate powder, 12 parts of modification infusorial earth, 3 parts of nano aluminum nitride, nano-sized carbon
13 parts of SiClx, 10 parts of nano-titanium dioxide, 18 parts of glass fibre, 5 parts of expanded graphite, 1.3 parts of antioxidant and light stabilizer 1.2
Part.
Modification infusorial earth the preparation method comprises the following steps:
(1) diatomite is placed on the calcining furnace high temperature under 450 degrees Celsius to roast 3 hours, is cooled to room temperature, is added
It in 35% sulfuric acid solution, after 5 hours are stirred to react under 100 degrees Celsius, is washed with water, filters, be baked to；
(2) pentaerythritol triacrylate, silane coupling agent and nano-aluminum hydroxide will be added in the diatomite after drying
After being uniformly mixed, place ball mill in ground, cross 400 meshes to get.
Diatomite, pentaerythritol triacrylate, silane coupling agent and nano-aluminum hydroxide dosage mass ratio be 100:
5:2:8。
Antioxidant is β-(- 4 hydroxy phenyl of 3,5- di-t-butyl) propionic acid n-octadecyl alcohol ester.
Light stabilizer is hydroxybenzotriazole light stabilizer.
The preparation method of High-performance power protecting pipe in the present embodiment, specifically, comprising the following steps:
(1) by precipitated calcium carbonate, barium titanate powder, modification infusorial earth, nano aluminum nitride, nanometer silicon carbide, nanometer titanium dioxide
Titanium, glass fibre are added in high-speed mixer and mix after twenty minutes, and mixture is put into drying machine under 85-95 degrees Celsius,
Drying 5 hours, obtains mixed fillers；
(2) by polypropylene, EP rubbers, Styrene-Butadiene-Styrene Block Copolymer, epoxy acetyl linolenic acid
Methyl esters, antioxidant, light stabilizer and expanded graphite mixing are added in high-speed shearing machine, are warming up to 118 degrees Celsius, high speed shear 15
After minute, mixed fillers made from step (1) are added, continue shearing 25 minutes；
(3) product made from step (2) is placed in after being kneaded in mixer, adds twin-screw extrude squeeze out and makes
Grain, to get the High-performance power protecting pipe after the cooling drying of pellet.
Melting temperature is 127 degrees Celsius, mixing time 12 minutes in step (3).
Extrusion temperature in step (3) in double screw extruder is 175 degrees Celsius, and screw speed is 40 revs/min.
Embodiment 3
A kind of High-performance power protecting pipe, the raw material including following parts by weight meter:
52 parts of polypropylene, 25 parts of EP rubbers, 20 parts of Styrene-Butadiene-Styrene Block Copolymer, epoxy acetyl are sub-
7 parts of numb methyl oleate, 11 parts of precipitated calcium carbonate, 3 parts of barium titanate powder, 7 parts of modification infusorial earth, 1.5 parts of nano aluminum nitride, nano-sized carbon
9 parts of SiClx, 5 parts of nano-titanium dioxide, 14 parts of glass fibre, 3 parts of expanded graphite, 0.9 part of antioxidant and 0.7 part of light stabilizer.
Modification infusorial earth the preparation method comprises the following steps:
(1) diatomite is placed on the calcining furnace high temperature under 420 degrees Celsius to roast 2.4 hours, is cooled to room temperature, is added
It in 31% sulfuric acid solution, after 4.6 hours are stirred to react under 95 degrees Celsius, is washed with water, filters, be baked to；
(2) pentaerythritol triacrylate, silane coupling agent and nano-aluminum hydroxide will be added in the diatomite after drying
After being uniformly mixed, place ball mill in ground, cross 360 meshes to get.
Diatomite, pentaerythritol triacrylate, silane coupling agent and nano-aluminum hydroxide dosage mass ratio be 100:
4:1.8:7。
Antioxidant is four (β-(- 4 hydroxy phenyl of 3,5- di-t-butyl) propionic acid) pentaerythritol esters.
Light stabilizer is dihydroxy benaophenonel light stabilizer.
The preparation method of High-performance power protecting pipe in the present embodiment, specifically, comprising the following steps:
(1) by precipitated calcium carbonate, barium titanate powder, modification infusorial earth, nano aluminum nitride, nanometer silicon carbide, nanometer titanium dioxide
After being mixed 18 minutes in titanium, glass fibre addition high-speed mixer, mixture is put into drying machine under 90 degrees Celsius, is dried
5 hours, obtain mixed fillers；
(2) by polypropylene, EP rubbers, Styrene-Butadiene-Styrene Block Copolymer, epoxy acetyl linolenic acid
Methyl esters, antioxidant, light stabilizer and expanded graphite mixing are added in high-speed shearing machine, are warming up to 116 degrees Celsius, high speed shear 12
After minute, mixed fillers made from step (1) are added, continue shearing 21 minutes；
(3) product made from step (2) is placed in after being kneaded in mixer, adds twin-screw extrude squeeze out and makes
Grain, to get the High-performance power protecting pipe after the cooling drying of pellet.
Melting temperature is 126 degrees Celsius, mixing time 11 minutes in step (3).
Extrusion temperature in step (3) in double screw extruder is 172 degrees Celsius, and screw speed is 36 revs/min.
Embodiment 4
A kind of High-performance power protecting pipe, the raw material including following parts by weight meter:
58 parts of polypropylene, 28 parts of EP rubbers, 22 parts of Styrene-Butadiene-Styrene Block Copolymer, epoxy acetyl are sub-
10 parts of numb methyl oleate, 14 parts of precipitated calcium carbonate, 4 parts of barium titanate powder, 11 parts of modification infusorial earth, nano aluminum nitride 2.5 part, nanometer
11 parts of silicon carbide, 9 parts of nano-titanium dioxide, 16 parts of glass fibre, 4 parts of expanded graphite, 1.1 parts of antioxidant and 1 part of light stabilizer.
Modification infusorial earth the preparation method comprises the following steps:
(1) diatomite is placed on the calcining furnace high temperature under 440 degrees Celsius to roast 2.8 hours, is cooled to room temperature, is added
It in 33% sulfuric acid solution, after 4.2 hours are stirred to react under 98 degrees Celsius, is washed with water, filters, be baked to；
(2) pentaerythritol triacrylate, silane coupling agent and nano-aluminum hydroxide will be added in the diatomite after drying
After being uniformly mixed, place ball mill in ground, cross 380 meshes to get.
Diatomite, pentaerythritol triacrylate, silane coupling agent and nano-aluminum hydroxide dosage mass ratio be 100:
4:1.4:7.5。
Antioxidant is three (2,4- di-tert-butyl-phenyl) phosphites.
Light stabilizer is hydroxybenzotriazole light stabilizer.
The preparation method of High-performance power protecting pipe in the present embodiment, specifically, comprising the following steps:
(1) by precipitated calcium carbonate, barium titanate powder, modification infusorial earth, nano aluminum nitride, nanometer silicon carbide, nanometer titanium dioxide
After being mixed 18 minutes in titanium, glass fibre addition high-speed mixer, mixture is put into drying machine under 92 degrees Celsius, is dried
5 hours, obtain mixed fillers；
(2) by polypropylene, EP rubbers, Styrene-Butadiene-Styrene Block Copolymer, epoxy acetyl linolenic acid
Methyl esters, antioxidant, light stabilizer and expanded graphite mixing are added in high-speed shearing machine, are warming up to 114 degrees Celsius, high speed shear 13
After minute, mixed fillers made from step (1) are added, continue shearing 23 minutes；
(3) product made from step (2) is placed in after being kneaded in mixer, adds twin-screw extrude squeeze out and makes
Grain, to get the High-performance power protecting pipe after the cooling drying of pellet.
Melting temperature is 126 degrees Celsius, mixing time 10 minutes in step (3).
Extrusion temperature in step (3) in double screw extruder is 172 degrees Celsius, and screw speed is 37 revs/min.
Embodiment 5
A kind of High-performance power protecting pipe, the raw material including following parts by weight meter:
56 parts of polypropylene, 26 parts of EP rubbers, 21 parts of Styrene-Butadiene-Styrene Block Copolymer, epoxy acetyl are sub-
9 parts of numb methyl oleate, 13 parts of precipitated calcium carbonate, 3.5 parts of barium titanate powder, 9 parts of modification infusorial earth, 2 parts of nano aluminum nitride, nano-sized carbon
10 parts of SiClx, 7 parts of nano-titanium dioxide, 15 parts of glass fibre, 3.5 parts of expanded graphite, 1 part of antioxidant and 0.9 part of light stabilizer.
Modification infusorial earth the preparation method comprises the following steps:
(1) diatomite is placed on the calcining furnace high temperature under 490 degrees Celsius to roast 2.7 hours, is cooled to room temperature, is added
It in 35% sulfuric acid solution, after 4.8 hours are stirred to react under 95 degrees Celsius, is washed with water, filters, be baked to；
(2) pentaerythritol triacrylate, silane coupling agent and nano-aluminum hydroxide will be added in the diatomite after drying
After being uniformly mixed, place ball mill in ground, cross 360 meshes to get.
Diatomite, pentaerythritol triacrylate, silane coupling agent and nano-aluminum hydroxide dosage mass ratio be 100:
4:1.6:6.8。
Antioxidant is three (2,4- di-tert-butyl-phenyl) phosphites.
Light stabilizer is hydroxybenzotriazole light stabilizer.
The preparation method of High-performance power protecting pipe in the present embodiment, specifically, comprising the following steps:
(1) by precipitated calcium carbonate, barium titanate powder, modification infusorial earth, nano aluminum nitride, nanometer silicon carbide, nanometer titanium dioxide
After being mixed 18 minutes in titanium, glass fibre addition high-speed mixer, mixture is put into drying machine under 92 degrees Celsius, is dried
5 hours, obtain mixed fillers；
(2) by polypropylene, EP rubbers, Styrene-Butadiene-Styrene Block Copolymer, epoxy acetyl linolenic acid
Methyl esters, antioxidant, light stabilizer and expanded graphite mixing are added in high-speed shearing machine, are warming up to 114 degrees Celsius, high speed shear 12
After minute, mixed fillers made from step (1) are added, continue shearing 21 minutes；
(3) product made from step (2) is placed in after being kneaded in mixer, adds twin-screw extrude squeeze out and makes
Grain, to get the High-performance power protecting pipe after the cooling drying of pellet.
Melting temperature is 14 degrees Celsius, mixing time 10 minutes in step (3).
Extrusion temperature in step (3) in double screw extruder is 172 degrees Celsius, and screw speed is 37 revs/min.
Comparative example 1: modification infusorial earth is substituted with ordinary silicon diatomaceous earth, remaining raw material and preparation method are same as Example 1；
Comparative example 2: in addition to Styrene-Butadiene-Styrene Block Copolymer is not added, remaining raw material and preparation method are equal
It is same as Example 1；
Electric power protecting pipe made from High-performance power protecting pipe and comparative example 1-2 is made in embodiment 1-5 and carries out performance survey
Examination, as a result such as table 1:
In conclusion the invention has the following advantages that
(1) electric power protecting pipe of the present invention is resisted by the associated effect between raw material with good pair of mechanical mechanics property
It draws fracture resistance excellent, while there is good anti-flammability and corrosion resistance, preparation method is simple, easy to operate.
(2) modification infusorial earth is added in the present invention, diatomite has good corrosion resistance and weatherability, is added to material
In can be enhanced the comprehensive performance of material, by modification in the present invention, the impurity in diatomite can be removed, significantly improved
The content of silica improves the specific surface area of diatomite, improves the interfacial force between diatomite and polymer, while passing through season penta
Tetrol triacrylate, silane coupling agent and nano-aluminum hydroxide are modified diatomite, and the surface of the diatomite of raising is living
Property.
(3) it is acted synergistically in the present invention by nano aluminum nitride and expanded graphite, improves the flame retardant property of material, receive simultaneously
Rice aluminium nitride can be filled into the gap of material, improve the compactness of material.
(4) present invention melts conduct by polypropylene, EP rubbers and Styrene-Butadiene-Styrene Block Copolymer
The matrix of material, polypropylene have good corrosion resistance and hardness, and EP rubbers can improve polyacrylic easy friability, mention
The wearability and fold resistance of material can be improved in the mechanical tenacity of high material, Styrene-Butadiene-Styrene Block Copolymer.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, although referring to aforementioned reality
Applying example, invention is explained in detail, for those skilled in the art, still can be to aforementioned each implementation
Technical solution documented by example is modified or equivalent replacement of some of the technical features.It is all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of High-performance power protecting pipe, which is characterized in that the raw material including following parts by weight meter: 50-60 parts of polypropylene, second
Third 23-30 parts of rubber, 18-23 parts of Styrene-Butadiene-Styrene Block Copolymer, epoxy acetyl linolenic acid methyl esters 5-12
Part, 7-18 parts of precipitated calcium carbonate, 2-5 parts of barium titanate powder, 5-12 parts of modification infusorial earth, 1-3 parts of nano aluminum nitride, nanometer silicon carbide
7-13 parts, 4-10 parts of nano-titanium dioxide, 12-18 parts of glass fibre, 2-5 parts of expanded graphite, 0.7-1.3 parts of antioxidant and light are steady
Determine 0.5-1.2 parts of agent.
2. High-performance power protecting pipe according to claim 1, which is characterized in that the raw material including following parts by weight meter:
52-58 parts of polypropylene, 25-28 parts of EP rubbers, 20-22 parts of Styrene-Butadiene-Styrene Block Copolymer, epoxy acetyl
7-10 parts of linolenic acid methyl esters, 11-14 parts of precipitated calcium carbonate, 3-4 parts of barium titanate powder, 7-11 parts of modification infusorial earth, nano silicon nitride
1.5-2.5 parts of aluminium, 9-11 parts of nanometer silicon carbide, 5-9 parts of nano-titanium dioxide, 14-16 parts of glass fibre, 3-4 parts of expanded graphite,
0.9-1.1 parts and light stabilizer 0.7-1 parts of antioxidant.
3. High-performance power protecting pipe according to claim 1, which is characterized in that the raw material including following parts by weight meter:
56 parts of polypropylene, 26 parts of EP rubbers, 21 parts of Styrene-Butadiene-Styrene Block Copolymer, epoxy acetyl linolenic acid first
9 parts of ester, 13 parts of precipitated calcium carbonate, 3.5 parts of barium titanate powder, 9 parts of modification infusorial earth, 2 parts of nano aluminum nitride, nanometer silicon carbide 10
Part, 7 parts of nano-titanium dioxide, 15 parts of glass fibre, 3.5 parts of expanded graphite, 1 part of antioxidant and 0.9 part of light stabilizer.
4. High-performance power protecting pipe according to claim 1, which is characterized in that the preparation method of the modification infusorial earth
Are as follows:
(1) diatomite is placed on the calcining furnace high temperature under 400-450 degrees Celsius to roast 2-3 hours, is cooled to room temperature, is added
It in the sulfuric acid solution of 30-35%, after 4-5 hours are stirred to react under 90-100 degrees Celsius, is washed with water, filters, be baked to；
(2) pentaerythritol triacrylate, silane coupling agent and nano-aluminum hydroxide will be added in the diatomite after drying to stir
After mixing, place ball mill in ground, cross 300-400 mesh to get.
5. High-performance power protecting pipe according to claim 4, which is characterized in that the diatomite, pentaerythrite 3 third
The dosage mass ratio of olefin(e) acid ester, silane coupling agent and nano-aluminum hydroxide is 100:3-5:1-2:5-8.
6. High-performance power protecting pipe according to claim 1, which is characterized in that the antioxidant is three (2,4- bis- uncles
Butyl phenyl) phosphite, β-(- 4 hydroxy phenyl of 3,5- di-t-butyl) propionic acid n-octadecyl alcohol ester and four (β-(bis- uncles of 3,5-
- 4 hydroxy phenyl of butyl) propionic acid) one or more of pentaerythritol ester combines.
7. High-performance power protecting pipe according to claim 1, which is characterized in that the light stabilizer is hydroxy benzophenone
At least one of ketone light stabilizer and hydroxybenzotriazole light stabilizer.
8. a kind of preparation method of such as described in any item High-performance power protecting pipes of claim 1-7, which is characterized in that including
Following steps:
(1) by precipitated calcium carbonate, barium titanate powder, modification infusorial earth, nano aluminum nitride, nanometer silicon carbide, nano-titanium dioxide, glass
After being mixed 15-20 minutes in glass fiber addition high-speed mixer, mixture is put into drying machine under 85-95 degrees Celsius, is dried
It is 5 hours dry, obtain mixed fillers；
(2) by polypropylene, EP rubbers, Styrene-Butadiene-Styrene Block Copolymer, epoxy acetyl linolenic acid methyl esters,
Antioxidant, light stabilizer and expanded graphite mixing are added in high-speed shearing machine, are warming up to 110-118 degrees Celsius, high speed shear 8-
After 15 minutes, mixed fillers made from step (1) are added, continue shearing 18-25 minutes；
(3) product made from step (2) is placed in after being kneaded in mixer, adds twin-screw extrude carry out extruding pelletization,
To get the High-performance power protecting pipe after the cooling drying of pellet.
9. the preparation method of High-performance power protecting pipe according to claim 8, which is characterized in that in the step (3)
Melting temperature is 122-127 degrees Celsius, mixing time 6-12 minutes.
10. the preparation method of High-performance power protecting pipe according to claim 8, which is characterized in that in the step (3)
Extrusion temperature in double screw extruder is 168-175 degrees Celsius, and screw speed is 30-40 revs/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810831280.9A CN108929488A (en) | 2018-07-26 | 2018-07-26 | A kind of High-performance power protecting pipe and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810831280.9A CN108929488A (en) | 2018-07-26 | 2018-07-26 | A kind of High-performance power protecting pipe and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108929488A true CN108929488A (en) | 2018-12-04 |
Family
ID=64444885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810831280.9A Withdrawn CN108929488A (en) | 2018-07-26 | 2018-07-26 | A kind of High-performance power protecting pipe and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108929488A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112592537A (en) * | 2020-12-30 | 2021-04-02 | 国网河南省电力公司南阳供电公司 | High-elasticity cable protection pipe and preparation method thereof |
| CN113897021A (en) * | 2021-10-08 | 2022-01-07 | 广州敬信高聚物科技有限公司 | Polypropylene composition and preparation method and application thereof |
-
2018
- 2018-07-26 CN CN201810831280.9A patent/CN108929488A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112592537A (en) * | 2020-12-30 | 2021-04-02 | 国网河南省电力公司南阳供电公司 | High-elasticity cable protection pipe and preparation method thereof |
| CN113897021A (en) * | 2021-10-08 | 2022-01-07 | 广州敬信高聚物科技有限公司 | Polypropylene composition and preparation method and application thereof |
| CN113897021B (en) * | 2021-10-08 | 2023-11-03 | 广州敬信高聚物科技有限公司 | Polypropylene composition and preparation method and application thereof |
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