CN105837916A - High-strength corrosion resistance distribution box used for electric power - Google Patents
High-strength corrosion resistance distribution box used for electric power Download PDFInfo
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/06—Polyethene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
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- 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
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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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
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Abstract
The invention relates to a distribution box, which comprises a box body, a box cover and a fastening mechanism used for movably connecting the box body with the box cover, wherein the box body and the box cover are independently prepared from the following raw material components in parts by weight: 40-60 parts of polyethylene resin, 20-30 parts of phenolic resin, 2-10 parts of elastomer, 0.1-15 parts of graphene, 3-7 parts of silicon carbide, 1-10 parts of silane coupling agent, 12-15 parts of semi-reinforcing furnace black, 10-12 parts of calcined clay, 6-12 parts of Kevlar chopped fiber subjected to surface treatment, 5-7 parts of nanometer MoS2, 0.5-3 parts of aluminium oxide, 3-5 parts of polydimethylsiloxane, 0.5-2.5 parts of fire retardant and 1-3 parts of dispersant. In the preparation process of the box body and the box cover of the distribution box, each raw material and the ratio of each raw material are cooperated with a processing technology, so that the box body and the box cover of the distribution box have excellent flexibility, mechanical performance and corrosion resistance, also have good thermal conductivity, integrally improve the performance of the distribution box, have a small possibility of aging, have the advantages of enough rigidity and long service life, and reduces maintenance cost.
Description
Technical field
The present invention relates to a kind of electric power high-strength corrosion-resisting distribution box, belong to electrical equipment technical field.
Background technology
Switchgear, measuring instruments, protection electrical equipment and auxiliary equipment are combined installing by distribution box by electrical wiring requirement
A kind of closing or semi-enclosed cupboard, generally include casing and chamber door, be pivotally connected between casing and chamber door so that case
One closed environment of internal formation, and electrical equipment is installed in casing, for moistureproof, protection interior instrument circuit.
Distribution box of the prior art uses metal to make mostly, and appearance is sprayed paint, and is placed in the large-scale distribution box of open air for a long time due to length
Phase is drenched with rain and Exposure to Sunlight, its poor corrosion resistance, it is impossible to being effective against the corrosion of environment, the most aging, the replacement cycle is short, more
Change into high, not only increase the maintenance cost of transmission line of electricity, and cause line fault the most industrial due to distribution box breakage and
Civilian electricity consumption causes inconvenience and loss.In order to improve the decay resistance of distribution box shell, prior art proposes use and moulds
Material or composite alternative metals make distribution box shell.The distribution box shell that composite is made, then exist flexible not enough,
The problem that the power that is hit is easy to crack.Plastics distribution box shell has superior insulation electrical, light weight, low cost and other advantages, but
Current plastics distribution box Enclosure Strength is poor, is drenched with rain and Exposure to Sunlight for a long time, the most aging, cracking, and intensity is little, damaged
After be difficult to repair, need entirely to change distribution box shell, add maintenance cost.
How to improve the difficult problem that the combination property of distribution box becomes current.
Summary of the invention
For the deficiencies in the prior art, the present invention provides a kind of electric power high-strength corrosion-resisting distribution box.
Technical scheme is as follows:
A kind of distribution box, it includes casing, case lid and is flexibly connected casing and the retention mechanism of case lid, and described case lid has slotting
Hand-hole, described casing, case lid raw material components are as follows, are weight portion:
Polyvinyl resin 40-60 part, phenolic resin 20-30 part, elastomer 2-10 part, Graphene 0.1-15 part, carborundum 3-7
Part, silane coupler 1-10 part, semi-reinforcing furnace black 12-15 part, calcinated argil 10-12 part, surface treated Kev draws short
Cut fiber 6～12 parts, nano molybdenum disulfide (MoS2) 5-7 part, aluminium sesquioxide 0.5-3 part, polydimethylsiloxane 3-5
Part, fire retardant 0.5-2.5 part, dispersant 1-3 part.
Currently preferred, described elastomer be butadiene-styrene rubber, neoprene, fluoroether rubber or EP rubbers one of which or
Arbitrarily two or more mixing.
It is further preferred that the mixture that described elastomer is butadiene-styrene rubber, neoprene and fluoroether rubber, butadiene-styrene rubber,
Neoprene, the mass ratio of fluoroether rubber be: (2-3): (1-2): (1-2).
Currently preferred, semi-reinforcing furnace black, calcinated argil, the particle diameter of carborundum are 80-90nm.
Currently preferred, described silane coupler is Si69, Si747, KH550, KH560, KH570；Preferably,
Described silane coupler is Si69.
Currently preferred, the particle diameter of white carbon black is more than 250nm, and further, white carbon black is fast extrusion white carbon black N990.
Currently preferred, described surface treated Kev draws chopped strand, is that Kev draws chopped strand put into percent mass
Ratio is in the methacrylic solution of 30%, takes out and clean and obtain in drying in oven, Kev after impregnating 35～40 minutes
Draw chopped strand diameter 18um～25um, fibre length 3～5mm.
Currently preferred, the epoxide equivalent of described polydimethylsiloxane is 1650-1850g/mol.
Currently preferred, described fire retardant is the mixture of APP (PPA) and microencapsulated powder oil, APP
(PPA) mass ratio with microencapsulated powder oil is 3: 1.
Currently preferred, described dispersant is Tissuemat E, EVA wax, OP wax or TAS-2A dispersant, it is preferred that
Described dispersant is Tissuemat E.
A currently preferred technical scheme, a kind of distribution box, described casing, case lid raw material components are as follows, are weight
Part:
Polyvinyl resin 40-50 part, phenolic resin 20-25 part, elastomer 3-5 part, Graphene 1-3 part, carborundum 3-4 part,
Silane coupler 1-3.5 part, semi-reinforcing furnace black 12-14 part, calcinated argil 10-11.5 part, surface treated Kev draws chopped
Fiber 6～8.5 parts, nano molybdenum disulfide (MoS2) 5-7 part, aluminium sesquioxide 0.5-2 part, polydimethylsiloxane 3-4 part,
Fire retardant 0.5-1.5 part, dispersant 1-2 part.
Above-mentioned distribution box, casing, case lid be prepared as follows obtaining:
(1) molybdenum bisuphide is joined in N-Methyl pyrrolidone, through 1-5 hour prepared molybdenum bisuphide suspension of ultrasonic stripping；
Molybdenum bisuphide with the mass volume ratio of N-Methyl pyrrolidone is: (1-15): 100, unit: g/ml；
(2) preheating banbury to 70-80 DEG C, mixes polyvinyl resin, phenolic resin, elastomer with polydimethylsiloxane,
Under stirring and nitrogen protection, it is incubated 22-24min, is cooled to 30-35 DEG C, add the prepared molybdenum bisuphide of step (1) and suspend
Liquid, is uniformly mixed, and obtains mixture A；
(3) mixture A is joined in reflux, adds hexamethylene, be uniformly mixed, be heated to reflux hexamethylene,
Reflux 30-40 minute, filter to obtain solid mixture；The addition of hexamethylene and the mass ratio of polyvinyl resin are (8-10): (2-5)；
(4) solid mixture step (3) obtained uses hot nitrogen to dry up, and is transferred in reactor, is subsequently adding carbonization
Silicon, Graphene, semi-reinforcing furnace black, calcinated argil, white carbon black, surface treated Kev draw chopped strand, silane coupler,
50-60 DEG C it is heated to, stirring reaction 4-10 minute under the atmosphere of inert gas shielding；
(5), when continuation temperature rises to 85-95 DEG C, aluminium sesquioxide, fire retardant and dispersant, mixing 6-15min, fall are added
Temperature to 45 DEG C with bottom discharge；
(6) cooling after put in mold cavity hot-forming, its hot pressing temperature 150～170 DEG C, hot pressing pressure 280～
300Mpa, the hot-press solidifying time 30～35min, repairs after cooling, obtains casing and the case lid of distribution box respectively.
Currently preferred, in step (4), the temperature of described hot nitrogen is 70-80 DEG C, and described noble gas is nitrogen or argon
Gas, the mixing speed of stirring reaction is 80-100 rev/min.
The distribution box body of the present invention, case lid preparation process in, polyvinyl resin, phenolic resin, elastomer and poly dimethyl
Siloxanes mixes, and polydimethylsiloxane has the characteristics such as surface activity is high, pliability is good and heat-resisting, utilizes the active of epoxy radicals
Property, under the bridge formation of epoxy radicals, make resin and elastomer firm be grafted on together with, and and elastomer molecules between formed firm
C-C key further composition knit network structure, the hole that internal one-tenth is tiny, improve pliability and hot property, surface treated
Kev draw the addition of chopped strand, surround C-C major key thick and fast, protection main chain is not impacted, is destroyed, significantly further
Improve the impact resistance of the present invention, improve the suppleness of material, further increase distribution box body, case lid pliable and tough
Property, mechanical performance and corrosion resistance；There is between molybdenum bisuphide lamella more weak Van der Waals force (lubrication), suction of easily riving
Receive frictional force so that the direct friction between resin and elastomer reforms into the indirect friction between lamella, thus improves casing, case
The wearability of lid；Coordinate Graphene, the absorption sulfuration of Graphene large scale lamellar structure simultaneously, extend time of scorch, it is ensured that add
Work safety, coordinating between molybdenum bisuphide with Graphene, makes intermolecular more firm, closely knit, makes pliability further enhance,
Semi-reinforcing furnace black and calcinated argil are as reinforcing agent, it is possible to be sufficient filling with in hole, the present invention wear-resisting resistance to is greatly improved and tears
Fragility energy, prevents the present invention to be in use bacterially decomposed simultaneously and causes material disintegrate, drastically increase distribution further
The mechanical performance of case shell and corrosion resistance, the use of silane coupler Si-69, can not only promote that above-mentioned reinforcing filler is equal
It is distributed in the hole of the present invention evenly, meanwhile, it is capable to coordinate accelerator to form vulcanizing system, improves vulcanization characteristics, make this
Inorganic raw material in bright and Organic Ingredients grafting thus form entirety, improve the compatibility of each raw material；Hot nitrogen dries up and makes graphite
Alkene, semi-reinforcing furnace black, calcinated argil, zinc oxide, surface treated Kev draw chopped strand, silane coupler and rubber it
Between contact area increase, preferably each play the reciprocity between each self-applying and component, make distribution box body, case lid have
Having pliability, mechanical performance and the corrosion resistance of excellence, under the effect of dispersant, aluminium sesquioxide, fire retardant can be uniform
Sufficiently it is filled in hole, makes the distribution box body of the present invention, case lid have good heat conductivility, the distribution box of the present invention
Each raw material and proportioning in casing, case lid preparation process, coordinate processing technique, make the distribution box body of the present invention, case lid have
Excellent flexibility, mechanical performance and corrosion resistance, have good heat conductivity concurrently simultaneously, is integrally improved the performance of distribution box, no
The most aging, rigidity foot, service life is long, decreases maintenance cost.
Detailed description of the invention
Below in conjunction with embodiment, the present invention will be further described, but is not limited to this.
The raw materials used convenient source that is, commercial products in embodiment.
Embodiment 1
A kind of distribution box, it includes casing, case lid and is flexibly connected casing and the retention mechanism of case lid, and described case lid has slotting
Hand-hole, described casing, case lid raw material components are as follows, are weight portion:
Polyvinyl resin 43 parts, 22 parts of phenolic resin, 5 parts of elastomer, Graphene 3 parts, carborundum 4 parts, silane coupled
Agent is Si69 3 parts, semi-reinforcing furnace black 12 parts, calcinated argil 10 parts, and surface treated Kev draws chopped strand 6 parts, receives
Rice molybdenum bisuphide (MoS2) 5 parts, aluminium sesquioxide 1.5 parts, polydimethylsiloxane 3 parts, fire retardant 1 part, dispersant 2
Part.
Described elastomer is the mixture of butadiene-styrene rubber, neoprene and fluoroether rubber, butadiene-styrene rubber, neoprene, fluorine ether
The mass ratio of rubber is: 2: 1: 1；Semi-reinforcing furnace black, calcinated argil, the particle diameter of carborundum are 80nm.
Currently preferred, described silane coupler is Si69, Si747, KH550, KH560, KH570；Preferably,
Described silane coupler is Si69.
The particle diameter of white carbon black is more than 250nm, and white carbon black is fast extrusion white carbon black N990.
Surface treated Kev draws chopped strand, be Kev is drawn chopped strand put into mass percent be the metering system of 30%
Acid amide solution in, after impregnate 35 minutes take out cleaning and obtain in drying in oven, Kev draw chopped strand diameter 18um～
25um, fibre length 3～5mm.
The epoxide equivalent of polydimethylsiloxane is 1720g/mol.
Fire retardant is the mixture of APP (PPA) and microencapsulated powder oil, APP (PPA) and microencapsulated powder oil
Mass ratio be 3: 1.Dispersant is Tissuemat E.
Distribution box, casing, case lid be prepared as follows obtaining:
(1) molybdenum bisuphide is joined in N-Methyl pyrrolidone, through 3 hours prepared molybdenum bisuphide suspensions of ultrasonic stripping；
Molybdenum bisuphide with the mass volume ratio of N-Methyl pyrrolidone is: 1: 10, unit: g/ml；
(2) preheating banbury to 72 DEG C, mixes polyvinyl resin, phenolic resin, elastomer with polydimethylsiloxane,
Under stirring and nitrogen protection, it is incubated 22min, is cooled to 30 DEG C, add the molybdenum bisuphide suspension that step (1) prepares, stir
Mix mix homogeneously, obtain mixture A；
(3) mixture A is joined in reflux, adds hexamethylene, be uniformly mixed, be heated to reflux hexamethylene,
Reflux 30 minutes, filter to obtain solid mixture；The addition of hexamethylene and the mass ratio of polyvinyl resin are 4: 1；
(4) hot nitrogen that solid mixture step (3) obtained uses temperature to be 70 DEG C dries up, and is transferred in reactor,
Be subsequently adding carborundum, Graphene, semi-reinforcing furnace black, calcinated argil, white carbon black, surface treated Kev draw chopped strand,
Silane coupler, is heated to 52 DEG C under the atmosphere of inert gas shielding, stirring reaction 4-10 minute；
(5), when continuation temperature rises to 85 DEG C, add aluminium sesquioxide, fire retardant and dispersant, mixing 6min, be cooled to 45 DEG C
With bottom discharge；
(6) put in mold cavity hot-forming after cooling down, its hot pressing temperature 150 DEG C, hot pressing pressure 285Mpa, hot pressing
Hardening time, 30min, repaired after cooling, obtained casing and the case lid of distribution box respectively.
Embodiment 2
A kind of distribution box, it includes casing, case lid and is flexibly connected casing and the retention mechanism of case lid, and described case lid has slotting
Hand-hole, described casing, case lid raw material components are as follows, are weight portion:
Polyvinyl resin 50 parts, 20 parts of phenolic resin, 5 parts of elastomer, Graphene 3 parts, carborundum 3 parts, silane coupled
Agent is Si69 1.5 parts, semi-reinforcing furnace black 14 parts, calcinated argil 11 parts, and surface treated Kev draws chopped strand 8 parts,
Nano molybdenum disulfide (MoS2) 7 parts, aluminium sesquioxide 2 parts, polydimethylsiloxane 4 parts, fire retardant 1.5 parts, dispersant
2 parts.
Described elastomer is the mixture of butadiene-styrene rubber, neoprene and fluoroether rubber, butadiene-styrene rubber, neoprene, fluorine ether
The mass ratio of rubber is: 3: 2: 2；Semi-reinforcing furnace black, calcinated argil, the particle diameter of carborundum are 80nm.
Described silane coupler is Si69.The particle diameter of white carbon black is more than 250nm, and white carbon black is fast extrusion white carbon black N990.
Surface treated Kev draws chopped strand, be Kev is drawn chopped strand put into mass percent be the metering system of 30%
Acid amide solution in, after impregnate 35 minutes take out cleaning and obtain in drying in oven, Kev draw chopped strand diameter 18um～
25um, fibre length 3～5mm.
The epoxide equivalent of polydimethylsiloxane is 1820g/mol.
Fire retardant is the mixture of APP (PPA) and microencapsulated powder oil, APP (PPA) and microencapsulated powder oil
Mass ratio be 3: 1.Dispersant is Tissuemat E.
Distribution box, casing, case lid be prepared as follows obtaining:
(1) molybdenum bisuphide is joined in N-Methyl pyrrolidone, through 3 hours prepared molybdenum bisuphide suspensions of ultrasonic stripping；
Molybdenum bisuphide with the mass volume ratio of N-Methyl pyrrolidone is: 8: 100, unit: g/ml；
(2) preheating banbury to 78 DEG C, mixes polyvinyl resin, phenolic resin, elastomer with polydimethylsiloxane,
Under stirring and nitrogen protection, it is incubated 22min, is cooled to 35 DEG C, add the molybdenum bisuphide suspension that step (1) prepares, stir
Mix mix homogeneously, obtain mixture A；
(3) mixture A is joined in reflux, adds hexamethylene, be uniformly mixed, be heated to reflux hexamethylene,
Reflux 30 minutes, filter to obtain solid mixture；The addition of hexamethylene and the mass ratio of polyvinyl resin are 2: 1；
(4) hot nitrogen that solid mixture step (3) obtained uses temperature to be 78 DEG C dries up, and is transferred in reactor,
Be subsequently adding carborundum, Graphene, semi-reinforcing furnace black, calcinated argil, white carbon black, surface treated Kev draw chopped strand,
Silane coupler, is heated to 50 DEG C under the atmosphere of inert gas shielding, stirring reaction 4-10 minute；
(5), when continuation temperature rises to 90 DEG C, add aluminium sesquioxide, fire retardant and dispersant, mixing 6min, be cooled to 45 DEG C
With bottom discharge；
(6) put in mold cavity hot-forming after cooling down, its hot pressing temperature 150 DEG C, hot pressing pressure 285Mpa, hot pressing
Hardening time, 30min, repaired after cooling, obtained casing and the case lid of distribution box respectively.
Claims (10)
1. a distribution box, it includes casing, case lid and is flexibly connected casing and the retention mechanism of case lid, and described case lid is opened
Having insertion hole, described casing, case lid raw material components are as follows, are weight portion:
Polyvinyl resin 40-60 part, phenolic resin 20-30 part, elastomer 2-10 part, Graphene 0.1-15 part, carborundum 3-7
Part, silane coupler 1-10 part, semi-reinforcing furnace black 12-15 part, calcinated argil 10-12 part, surface treated Kev draws short
Cut fiber 6～12 parts, nano molybdenum disulfide (MoS2) 5-7 part, aluminium sesquioxide 0.5-3 part, polydimethylsiloxane 3-5
Part, fire retardant 0.5-2.5 part, dispersant 1-3 part.
Distribution box the most according to claim 1, it is characterised in that described elastomer be butadiene-styrene rubber, neoprene,
Fluoroether rubber or EP rubbers one of which or arbitrarily two or more mixing；Preferably, described elastomer is butylbenzene rubber
The mixture of glue, neoprene and fluoroether rubber, butadiene-styrene rubber, neoprene, the mass ratio of fluoroether rubber be: (2-3): (1-2):
(1-2)。
Distribution box the most according to claim 1, it is characterised in that semi-reinforcing furnace black, calcinated argil, the particle diameter of carborundum
For 80-90nm；Described silane coupler is Si69, Si747, KH550, KH560, KH570；Preferably, described
Silane coupler is Si69；The particle diameter of white carbon black is more than 250nm, and further, white carbon black is fast extrusion white carbon black N990.
Distribution box the most according to claim 1, it is characterised in that described surface treated Kev draws chopped strand, is
In the methacrylic solution that Kev draws chopped strand input mass percent be 30%, take out after impregnating 35～40 minutes
Cleaning and obtain in drying in oven, Kev draws chopped strand diameter 18um～25um, fibre length 3～5mm.
Distribution box the most according to claim 1, it is characterised in that the epoxide equivalent of described polydimethylsiloxane is
1650-1850g/mol。
Distribution box the most according to claim 1, it is characterised in that described fire retardant is that APP (PPA) is with micro-
The mixture of encapsulated red phosphorus, APP (PPA) is 3: 1 with the mass ratio of microencapsulated powder oil.
Distribution box the most according to claim 1, it is characterised in that described dispersant be Tissuemat E, EVA wax,
OP wax or TAS-2A dispersant, it is preferred that described dispersant is Tissuemat E.
Distribution box the most according to claim 1, it is characterised in that described casing, case lid raw material components are as follows, all
For weight portion:
Polyvinyl resin 40-50 part, phenolic resin 20-25 part, elastomer 3-5 part, Graphene 1-3 part, carborundum 3-4 part,
Silane coupler 1-3.5 part, semi-reinforcing furnace black 12-14 part, calcinated argil 10-11.5 part, surface treated Kev draws chopped
Fiber 6～8.5 parts, nano molybdenum disulfide (MoS2) 5-7 part, aluminium sesquioxide 0.5-2 part, polydimethylsiloxane 3-4 part,
Fire retardant 0.5-1.5 part, dispersant 1-2 part.
Distribution box the most according to claim 1, it is characterised in that distribution box, casing, case lid are to make as follows
For obtaining:
(1) molybdenum bisuphide is joined in N-Methyl pyrrolidone, through 1-5 hour prepared molybdenum bisuphide suspension of ultrasonic stripping；
Molybdenum bisuphide with the mass volume ratio of N-Methyl pyrrolidone is: (1-15): 100, unit: g/ml；
(2) preheating banbury to 70-80 DEG C, mixes polyvinyl resin, phenolic resin, elastomer with polydimethylsiloxane,
Under stirring and nitrogen protection, it is incubated 22-24min, is cooled to 30-35 DEG C, add the prepared molybdenum bisuphide of step (1) and suspend
Liquid, is uniformly mixed, and obtains mixture A；
(3) mixture A is joined in reflux, adds hexamethylene, be uniformly mixed, be heated to reflux hexamethylene,
Reflux 30-40 minute, filter to obtain solid mixture；The addition of hexamethylene and the mass ratio of polyvinyl resin are (8-10): (2-5)；
(4) solid mixture step (3) obtained uses hot nitrogen to dry up, and is transferred in reactor, is subsequently adding carbonization
Silicon, Graphene, semi-reinforcing furnace black, calcinated argil, white carbon black, surface treated Kev draw chopped strand, silane coupler,
50-60 DEG C it is heated to, stirring reaction 4-10 minute under the atmosphere of inert gas shielding；
(5), when continuation temperature rises to 85-95 DEG C, aluminium sesquioxide, fire retardant and dispersant, mixing 6-15min, fall are added
Temperature to 45 DEG C with bottom discharge；
(6) cooling after put in mold cavity hot-forming, its hot pressing temperature 150～170 DEG C, hot pressing pressure 280～
300Mpa, the hot-press solidifying time 30～35min, repairs after cooling, obtains casing and the case lid of distribution box respectively.
Distribution box the most according to claim 1, it is characterised in that in step (4), the temperature of described hot nitrogen is
70-80 DEG C, described noble gas is nitrogen or argon, and the mixing speed of stirring reaction is 80-100 rev/min.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610428446.3A CN105837916A (en) | 2016-06-17 | 2016-06-17 | High-strength corrosion resistance distribution box used for electric power |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610428446.3A CN105837916A (en) | 2016-06-17 | 2016-06-17 | High-strength corrosion resistance distribution box used for electric power |
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| CN201610428446.3A Pending CN105837916A (en) | 2016-06-17 | 2016-06-17 | High-strength corrosion resistance distribution box used for electric power |
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| CN108948486A (en) * | 2018-06-20 | 2018-12-07 | 佛山市禅城区钜艺塑料厂 | A kind of shock resistance high-strength plastic charging basket |
| CN109018661A (en) * | 2018-09-26 | 2018-12-18 | 桐城市中汇塑业有限公司 | A kind of express delivery special plastic packaging bag |
| CN110092963A (en) * | 2018-01-31 | 2019-08-06 | 中国石油天然气股份有限公司 | Micro- cross-linked polyethylene pipe and preparation method thereof |
| CN112646275A (en) * | 2020-12-23 | 2021-04-13 | 苏州度辰新材料有限公司 | Conductive polyolefin master batch and preparation method thereof |
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