CN107189272A - A kind of power electric meter sheathing material and preparation method thereof - Google Patents
A kind of power electric meter sheathing material and preparation method thereof Download PDFInfo
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- CN107189272A CN107189272A CN201710537037.1A CN201710537037A CN107189272A CN 107189272 A CN107189272 A CN 107189272A CN 201710537037 A CN201710537037 A CN 201710537037A CN 107189272 A CN107189272 A CN 107189272A
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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
- C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
- C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L27/04—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing chlorine atoms
- C08L27/06—Homopolymers or copolymers of vinyl chloride
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
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- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
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- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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Abstract
The present invention provides a kind of power electric meter sheathing material and preparation method thereof, is related to electric power Material Field, power electric meter sheathing material includes the raw material of following parts by weight：Polyvinyl chloride, polyethylene, methyl methacrylate, glass fibre, makrolon, PLA, TDE, dimethyl silicone polymer, chitin, silicon nitride powder, carborundum powder, sodium succinate, talcum powder, barium sulfate, graphite powder, ceramic fibre, boron carbide, zirconium English powder, aluminum nitride powder, isoprene rubber, phenolic resin, fire retardant, plasticizer, compatilizer, heat stabilizer, light stabilizer and curing agent；Preparation method comprises the following steps：(1) raw material, (2) is weighed to centrifuge, melt, entering mould, sizing and cut.The present invention solves the problem of existing power electric meter sheathing material still needs to further improvement in mechanical strength, heat endurance and these fire-retardant performances, strengthened.
Description
Technical field
The invention belongs to electric power Material Field, and in particular to a kind of power electric meter sheathing material and preparation method thereof.
Background technology
Meter case mainly plays the function of protection ammeter inner body, it is necessary to which good mechanical performance, heat is steady well
Qualitative and fire resistance.Flame-proof ABS being used domestic meter case material at present more.Although flame-proof ABS is cheap, rigidity is not
It is fine.External many at present using polycarbafil (PC), with China's expanding economy, the country also will be largely using enhancing
PC is used as meter case material.Makrolon is a kind of indefiniteness thermoplastic of water white transparency, and its chemical property is resistance to weak
Sour, resistance to weak base, not resistance to neutral oil, ultraviolet resistance and intolerant to highly basic, its physical property is linear expansivity：38 × 10cm/cm2, heat
135 DEG C of modification temperature, with stability it is poor, have that stress is easily cracked, hit that power is low, wear no resistance, to metal to notched Izod impact
Part bonding force is low, viscosity is big, poor fluidity and the shortcomings of influence processing injection molding.Study both at home and abroad at present it is more be poly-
Carbonate-modified meter case material, its main component is makrolon, adds other fire proofings, and it often has intensity not
The enough or poor defect of heat endurance, various performances can not have both；And it is largely higher using makrolon cost, reduce enterprise
The profit margin of industry.
On November 30th, 2016, a kind of preparation technology of power electric meter sheathing material of Chinese patent literature of bulletin (authorized public
Announcement CN104479254B), each raw material is sequentially added in centrifuge, after centrifugal mixer is well mixed, into twin-screw extrusion
Machine is squeezed into molten condition, and then molten mass is rapidly injected in mould with injector, mould matched moulds cooling and shaping；After die sinking into
Product enter secondary mould, are produced in secondary mould by cutting machine trimming.The present invention simple possible, is adapted to large-scale production.
But, power electric meter sheathing material prepared by the invention is in mechanical strength, heat endurance and these fire-retardant performances
Still need to further improvement, strengthen, various extreme environments can be applied to, possess good application prospect.
The content of the invention
Still needed to solve existing power electric meter sheathing material in mechanical strength, heat endurance and these fire-retardant performances
The problem of further improving, strengthen, it is an object of the invention to provide a kind of power electric meter sheathing material and preparation method thereof, is made
Power electric meter sheathing material have the advantages that high mechanical strength, heat endurance be good and good flame resistance.
The invention provides following technical scheme：
A kind of power electric meter sheathing material, includes the raw material of following parts by weight：90-100 parts of polyvinyl chloride, polyethylene 60-
70 parts, 40-50 parts of methyl methacrylate, 38-42 parts of glass fibre, 30-34 parts of makrolon, 25-27 parts of PLA, ten bromines
20-22 parts of diphenylethane, 18-20 parts of dimethyl silicone polymer, 12-14 parts of chitin, 10-12 parts of silicon nitride powder, carborundum powder
7-8 parts, 4-5 parts of sodium succinate, 2-4 parts of talcum powder, 2-3 parts of barium sulfate, 1-2 parts of graphite powder, 32-44 parts of ceramic fibre, carbonization
It is 12-34 parts of boron, 21-43 parts of zirconium English powder, 13-31 parts of aluminum nitride powder, 32-40 parts of isoprene rubber, 22-44 parts of phenolic resin, fire-retardant
0.4-0.8 parts of agent, 3-9 parts of plasticizer, 0.7-1.1 parts of compatilizer, 0.3-0.9 parts of heat stabilizer, 0.2-0.8 parts of light stabilizer and
0.3-0.5 parts of curing agent.
Graphite powder is with the addition of in raw material, graphite powder has chemical property stabilization under normal temperature, fire resistance is good, wearability is good, profit
Slip is good, good toughness and the characteristics of good thermal shock.
It with the addition of ceramic fibre in raw material, ceramic fibre has that light weight, high temperature resistant, heat endurance be good, fire resistance is good and machine
The characteristics of tool intensity is high, is favorably improved the fire resistance and mechanical strength of the power electric meter sheathing material of preparation.
With the addition of boron carbide in raw material, boron carbide have that light weight, intensity are high, high-temperature stability is good, chemical stability is good and
The good advantage of fire resistance.
Zirconium English powder is with the addition of in raw material, zirconium English powder has the advantages that fire resistance is good and wearability is good.
It with the addition of aluminum nitride powder in raw material, aluminum nitride powder has that thermal conductivity is high, mechanical performance is high and that electrical insulating property is good is excellent
Point.
Isoprene rubber is with the addition of in raw material, penta rubber has the advantages that resilience is good, tear resistance is good and electrical insulating property is good.
Phenolic resin is with the addition of in raw material, phenolic resin belongs to thermosetting resin, it has, and rigidity is big, hardness is high, bond
The good, high temperature resistant of property, nonflammable and low-smoke low-toxicity advantage, are favorably improved intensity and the resistance of the power electric meter sheathing material of preparation
Fire performance.
Preferably, the raw material of following parts by weight is included：95 parts of polyvinyl chloride, 65 parts of polyethylene, methyl methacrylate 45
Part, 40 parts of glass fibre, 32 parts of makrolon, 26 parts of PLA, 21 parts of TDE, 19 parts of dimethyl silicone polymer,
13 parts of chitin, 11 parts of silicon nitride powder, 7.5 parts of carborundum powder, 4.5 parts of sodium succinate, 3 parts of talcum powder, 2.5 parts of barium sulfate, stone
1.5 parts of ink powder, 38 parts of ceramic fibre, 23 parts of boron carbide, 32 parts of zirconium English powder, 22 parts of aluminum nitride powder, 36 parts of isoprene rubber, phenolic aldehyde tree
33 parts of fat, 0.6 part of fire retardant, 6 parts of plasticizer, 0.9 part of compatilizer, 0.6 part of heat stabilizer, 0.5 part of light stabilizer and curing agent
0.4 part.
Preferably, the fire retardant is aluminium hydroxide fire retardant, is conducive to improving the power electric meter sheathing material of preparation
Fire resistance.
Preferably, the plasticizer is dibutyl phthalate so that the plasticizing effect of power electric meter sheathing material increases
By force, strengthen also its pliability, be more prone to processing.
Preferably, the compatilizer is that maleic anhydride is grafted compatilizer, by intermolecular bonding force, promotes incompatible
Two kinds of polymer is combined together, and then reaches the purpose of stabilized blends.
Preferably, the heat stabilizer is dibasic lead phosphite, and dibasic lead phosphite can improve the electric power of preparation
Weatherability, heat endurance and the electrical insulating property of meter case material.
Preferably, the light stabilizer is carbon black, can cover or reflect the material of ultraviolet, prevent light from penetrating electric power
Meter case material, reaches the purpose of protection power electric meter sheathing material.
Preferably, the curing agent is MDA, the power electric meter after MDA solidifies
Sheathing material, its toughness, heat-resisting quantity and anti-flammability are strengthened.
A kind of preparation method of power electric meter sheathing material, comprises the following steps：
(1) raw material is weighed according to the parts by weight of power electric meter sheathing material raw material；
(2) first by polyvinyl chloride, polyethylene, methyl methacrylate, isoprene rubber, phenolic resin, glass fibre, poly- carbon
Acid esters, PLA, TDE, dimethyl silicone polymer, chitin, silicon nitride powder, carborundum powder, sodium succinate, cunning
Stone flour, barium sulfate, graphite powder, ceramic fibre, boron carbide, zirconium English powder, aluminum nitride powder, fire retardant, plasticizer, compatilizer, heat are steady
Determine agent, light stabilizer, curing agent to put into centrifuge successively, rotating speed is 1500r/min, centrifugal mixer 3-4min, mixing is equal
After even, molten condition is squeezed into double screw extruder, is then injected molten mass in mould with injector, mould matched moulds is cold
But shape, finished product enters secondary mould after die sinking, by cutting machine trimming in secondary mould, produces power electric meter sheathing material.
The beneficial effects of the invention are as follows：
1st, the present invention solves existing power electric meter sheathing material in mechanical strength, heat endurance and these fire-retardant performances
On still need to further improvement, strengthen the problem of.
2nd, graphite powder is with the addition of in raw material of the invention, graphite powder has chemical property stabilization, fire resistance under normal temperature good, resistance to
Good, lubricity is good for mill property, good toughness and the characteristics of good thermal shock.
3rd, ceramic fibre is with the addition of in raw material of the invention, ceramic fibre has light weight, high temperature resistant, heat endurance good, resistance to
Fire is good and the characteristics of high mechanical strength, the fire resistance and machinery for being favorably improved the power electric meter sheathing material of preparation are strong
Degree.
4th, it with the addition of boron carbide in raw material of the invention, boron carbide has that light weight, intensity are high, high-temperature stability is good, chemistry
The advantage that stability is good and fire resistance is good.
5th, zirconium English powder is with the addition of in raw material of the invention, zirconium English powder has the advantages that fire resistance is good and wearability is good.
6th, aluminum nitride powder is with the addition of in raw material of the invention, aluminum nitride powder has high thermal conductivity, mechanical performance height and electricity exhausted
The good advantage of edge.
7th, it with the addition of isoprene rubber in raw material of the invention, penta rubber has that resilience is good, tear resistance is good and is electrically insulated
The good advantage of property.
8th, phenolic resin is with the addition of in raw material of the invention, phenolic resin belongs to thermosetting resin, it has rigidity big, hard
Height, good caking property, high temperature resistant, nonflammable and low-smoke low-toxicity advantage are spent, the power electric meter sheathing material of preparation is favorably improved
Intensity and fire resistance.
9th, heretofore described fire retardant is aluminium hydroxide fire retardant, is conducive to improving the power electric meter sheathing material prepared
Fire resistance.
10th, heretofore described plasticizer is dibutyl phthalate so that the plasticizing effect of power electric meter sheathing material
Fruit strengthens, and also strengthens its pliability, is more prone to processing.
11st, heretofore described compatilizer is that maleic anhydride is grafted compatilizer, by intermolecular bonding force, promotes not phase
The two kinds of polymer of appearance is combined together, and then reaches the purpose of stabilized blends.
12nd, heretofore described heat stabilizer is dibasic lead phosphite, and dibasic lead phosphite can improve preparation
Weatherability, heat endurance and the electrical insulating property of power electric meter sheathing material.
13rd, heretofore described light stabilizer is carbon black, can cover or reflect the material of ultraviolet, prevent light from penetrating
Power electric meter sheathing material, reaches the purpose of protection power electric meter sheathing material.
14th, heretofore described curing agent is MDA, the electric power after MDA solidifies
Meter case material, its toughness, heat-resisting quantity and anti-flammability are strengthened.
Embodiment
Embodiment 1
A kind of power electric meter sheathing material, includes the raw material of following parts by weight：95 parts of polyvinyl chloride, 65 parts of polyethylene, first
45 parts of base methyl acrylate, 40 parts of glass fibre, 32 parts of makrolon, 26 parts of PLA, 21 parts of TDE, poly- diformazan
19 parts of radical siloxane, 13 parts of chitin, 11 parts of silicon nitride powder, 7.5 parts of carborundum powder, 4.5 parts of sodium succinate, 3 parts of talcum powder, sulphur
Sour 2.5 parts of barium, 1.5 parts of graphite powder, 38 parts of ceramic fibre, 23 parts of boron carbide, 32 parts of zirconium English powder, 22 parts of aluminum nitride powder, isoamyl rubber
36 parts of glue, 33 parts of phenolic resin, 0.6 part of fire retardant, 6 parts of plasticizer, 0.9 part of compatilizer, 0.6 part of heat stabilizer, light stabilizer
0.5 part and 0.4 part of curing agent.
Graphite powder is with the addition of in raw material, graphite powder has chemical property stabilization under normal temperature, fire resistance is good, wearability is good, profit
Slip is good, good toughness and the characteristics of good thermal shock.
It with the addition of ceramic fibre in raw material, ceramic fibre has that light weight, high temperature resistant, heat endurance be good, fire resistance is good and machine
The characteristics of tool intensity is high, is favorably improved the fire resistance and mechanical strength of the power electric meter sheathing material of preparation.
With the addition of boron carbide in raw material, boron carbide have that light weight, intensity are high, high-temperature stability is good, chemical stability is good and
The good advantage of fire resistance.
Zirconium English powder is with the addition of in raw material, zirconium English powder has the advantages that fire resistance is good and wearability is good.
It with the addition of aluminum nitride powder in raw material, aluminum nitride powder has that thermal conductivity is high, mechanical performance is high and that electrical insulating property is good is excellent
Point.
Isoprene rubber is with the addition of in raw material, penta rubber has the advantages that resilience is good, tear resistance is good and electrical insulating property is good.
Phenolic resin is with the addition of in raw material, phenolic resin belongs to thermosetting resin, it has, and rigidity is big, hardness is high, bond
The good, high temperature resistant of property, nonflammable and low-smoke low-toxicity advantage, are favorably improved intensity and the resistance of the power electric meter sheathing material of preparation
Fire performance.
Fire retardant is aluminium hydroxide fire retardant, is conducive to improving the fire resistance of the power electric meter sheathing material prepared.
Plasticizer is dibutyl phthalate so that the plasticizing effect enhancing of power electric meter sheathing material, also makes its soft
Toughness strengthens, and is more prone to processing.
Compatilizer is that maleic anhydride is grafted compatilizer, by intermolecular bonding force, promotes incompatible two kinds of polymer
It is combined together, and then reaches the purpose of stabilized blends.
Heat stabilizer is dibasic lead phosphite, and dibasic lead phosphite can improve the power electric meter sheathing material of preparation
Weatherability, heat endurance and electrical insulating property.
Light stabilizer is carbon black, can cover or reflect the material of ultraviolet, prevents light from penetrating the outer shell material of power electric meter
Material, reaches the purpose of protection power electric meter sheathing material.
Curing agent is MDA, the power electric meter sheathing material after MDA solidifies, its
Toughness, heat-resisting quantity and anti-flammability are strengthened.
A kind of preparation method of power electric meter sheathing material, comprises the following steps：
(1) raw material is weighed according to the parts by weight of power electric meter sheathing material raw material；
(2) first by polyvinyl chloride, polyethylene, methyl methacrylate, isoprene rubber, phenolic resin, glass fibre, poly- carbon
Acid esters, PLA, TDE, dimethyl silicone polymer, chitin, silicon nitride powder, carborundum powder, sodium succinate, cunning
Stone flour, barium sulfate, graphite powder, ceramic fibre, boron carbide, zirconium English powder, aluminum nitride powder, fire retardant, plasticizer, compatilizer, heat are steady
Determine agent, light stabilizer, curing agent to put into centrifuge successively, rotating speed is 1500r/min, centrifugal mixer 3-4min, mixing is equal
After even, molten condition is squeezed into double screw extruder, is then injected molten mass in mould with injector, mould matched moulds is cold
But shape, finished product enters secondary mould after die sinking, by cutting machine trimming in secondary mould, produces power electric meter sheathing material.
Embodiment 2
A kind of power electric meter sheathing material, includes the raw material of following parts by weight：90 parts of polyvinyl chloride, 60 parts of polyethylene, first
40 parts of base methyl acrylate, 38 parts of glass fibre, 30 parts of makrolon, 25 parts of PLA, 20 parts of TDE, poly- diformazan
18 parts of radical siloxane, 12 parts of chitin, 10 parts of silicon nitride powder, 7 parts of carborundum powder, 4 parts of sodium succinate, 2 parts of talcum powder, barium sulfate
2 parts, 1 part of graphite powder, 32 parts of ceramic fibre, 12 parts of boron carbide, 21 parts of zirconium English powder, 13 parts of aluminum nitride powder, 32 parts of isoprene rubber, phenol
22 parts of urea formaldehyde, 0.4 part of fire retardant, 3 parts of plasticizer, 0.7 part of compatilizer, 0.3 part of heat stabilizer, 0.2 part of light stabilizer and solid
0.3 part of agent.
Graphite powder is with the addition of in raw material, graphite powder has chemical property stabilization under normal temperature, fire resistance is good, wearability is good, profit
Slip is good, good toughness and the characteristics of good thermal shock.
It with the addition of ceramic fibre in raw material, ceramic fibre has that light weight, high temperature resistant, heat endurance be good, fire resistance is good and machine
The characteristics of tool intensity is high, is favorably improved the fire resistance and mechanical strength of the power electric meter sheathing material of preparation.
With the addition of boron carbide in raw material, boron carbide have that light weight, intensity are high, high-temperature stability is good, chemical stability is good and
The good advantage of fire resistance.
Zirconium English powder is with the addition of in raw material, zirconium English powder has the advantages that fire resistance is good and wearability is good.
It with the addition of aluminum nitride powder in raw material, aluminum nitride powder has that thermal conductivity is high, mechanical performance is high and that electrical insulating property is good is excellent
Point.
Isoprene rubber is with the addition of in raw material, penta rubber has the advantages that resilience is good, tear resistance is good and electrical insulating property is good.
Phenolic resin is with the addition of in raw material, phenolic resin belongs to thermosetting resin, it has, and rigidity is big, hardness is high, bond
The good, high temperature resistant of property, nonflammable and low-smoke low-toxicity advantage, are favorably improved intensity and the resistance of the power electric meter sheathing material of preparation
Fire performance.
Fire retardant is aluminium hydroxide fire retardant, is conducive to improving the fire resistance of the power electric meter sheathing material prepared.
Plasticizer is dibutyl phthalate so that the plasticizing effect enhancing of power electric meter sheathing material, also makes its soft
Toughness strengthens, and is more prone to processing.
Compatilizer is that maleic anhydride is grafted compatilizer, by intermolecular bonding force, promotes incompatible two kinds of polymer
It is combined together, and then reaches the purpose of stabilized blends.
Heat stabilizer is dibasic lead phosphite, and dibasic lead phosphite can improve the power electric meter sheathing material of preparation
Weatherability, heat endurance and electrical insulating property.
Light stabilizer is carbon black, can cover or reflect the material of ultraviolet, prevents light from penetrating the outer shell material of power electric meter
Material, reaches the purpose of protection power electric meter sheathing material.
Curing agent is MDA, the power electric meter sheathing material after MDA solidifies, its
Toughness, heat-resisting quantity and anti-flammability are strengthened.
A kind of preparation method of power electric meter sheathing material, comprises the following steps：
(1) raw material is weighed according to the parts by weight of power electric meter sheathing material raw material；
(2) first by polyvinyl chloride, polyethylene, methyl methacrylate, isoprene rubber, phenolic resin, glass fibre, poly- carbon
Acid esters, PLA, TDE, dimethyl silicone polymer, chitin, silicon nitride powder, carborundum powder, sodium succinate, cunning
Stone flour, barium sulfate, graphite powder, ceramic fibre, boron carbide, zirconium English powder, aluminum nitride powder, fire retardant, plasticizer, compatilizer, heat are steady
Determine agent, light stabilizer, curing agent to put into centrifuge successively, rotating speed is 1500r/min, centrifugal mixer 3-4min, mixing is equal
After even, molten condition is squeezed into double screw extruder, is then injected molten mass in mould with injector, mould matched moulds is cold
But shape, finished product enters secondary mould after die sinking, by cutting machine trimming in secondary mould, produces power electric meter sheathing material.
Embodiment 3
A kind of power electric meter sheathing material, includes the raw material of following parts by weight：100 parts of polyvinyl chloride, 70 parts of polyethylene, first
50 parts of base methyl acrylate, 42 parts of glass fibre, 34 parts of makrolon, 27 parts of PLA, 22 parts of TDE, poly- diformazan
20 parts of radical siloxane, 14 parts of chitin, 12 parts of silicon nitride powder, 8 parts of carborundum powder, 5 parts of sodium succinate, 4 parts of talcum powder, barium sulfate
3 parts, 2 parts of graphite powder, 44 parts of ceramic fibre, 34 parts of boron carbide, 43 parts of zirconium English powder, 31 parts of aluminum nitride powder, 40 parts of isoprene rubber, phenol
44 parts of urea formaldehyde, 0.8 part of fire retardant, 9 parts of plasticizer, 1.1 parts of compatilizer, 0.9 part of heat stabilizer, 0.8 part of light stabilizer and solid
0.5 part of agent.
Graphite powder is with the addition of in raw material, graphite powder has chemical property stabilization under normal temperature, fire resistance is good, wearability is good, profit
Slip is good, good toughness and the characteristics of good thermal shock.
It with the addition of ceramic fibre in raw material, ceramic fibre has that light weight, high temperature resistant, heat endurance be good, fire resistance is good and machine
The characteristics of tool intensity is high, is favorably improved the fire resistance and mechanical strength of the power electric meter sheathing material of preparation.
With the addition of boron carbide in raw material, boron carbide have that light weight, intensity are high, high-temperature stability is good, chemical stability is good and
The good advantage of fire resistance.
Zirconium English powder is with the addition of in raw material, zirconium English powder has the advantages that fire resistance is good and wearability is good.
It with the addition of aluminum nitride powder in raw material, aluminum nitride powder has that thermal conductivity is high, mechanical performance is high and that electrical insulating property is good is excellent
Point.
Isoprene rubber is with the addition of in raw material, penta rubber has the advantages that resilience is good, tear resistance is good and electrical insulating property is good.
Phenolic resin is with the addition of in raw material, phenolic resin belongs to thermosetting resin, it has, and rigidity is big, hardness is high, bond
The good, high temperature resistant of property, nonflammable and low-smoke low-toxicity advantage, are favorably improved intensity and the resistance of the power electric meter sheathing material of preparation
Fire performance.
Fire retardant is aluminium hydroxide fire retardant, is conducive to improving the fire resistance of the power electric meter sheathing material prepared.
Plasticizer is dibutyl phthalate so that the plasticizing effect enhancing of power electric meter sheathing material, also makes its soft
Toughness strengthens, and is more prone to processing.
Compatilizer is that maleic anhydride is grafted compatilizer, by intermolecular bonding force, promotes incompatible two kinds of polymer
It is combined together, and then reaches the purpose of stabilized blends.
Heat stabilizer is dibasic lead phosphite, and dibasic lead phosphite can improve the power electric meter sheathing material of preparation
Weatherability, heat endurance and electrical insulating property.
Light stabilizer is carbon black, can cover or reflect the material of ultraviolet, prevents light from penetrating the outer shell material of power electric meter
Material, reaches the purpose of protection power electric meter sheathing material.
Curing agent is MDA, the power electric meter sheathing material after MDA solidifies, its
Toughness, heat-resisting quantity and anti-flammability are strengthened.
A kind of preparation method of power electric meter sheathing material, comprises the following steps：
(1) raw material is weighed according to the parts by weight of power electric meter sheathing material raw material；
(2) first by polyvinyl chloride, polyethylene, methyl methacrylate, isoprene rubber, phenolic resin, glass fibre, poly- carbon
Acid esters, PLA, TDE, dimethyl silicone polymer, chitin, silicon nitride powder, carborundum powder, sodium succinate, cunning
Stone flour, barium sulfate, graphite powder, ceramic fibre, boron carbide, zirconium English powder, aluminum nitride powder, fire retardant, plasticizer, compatilizer, heat are steady
Determine agent, light stabilizer, curing agent to put into centrifuge successively, rotating speed is 1500r/min, centrifugal mixer 3-4min, mixing is equal
After even, molten condition is squeezed into double screw extruder, is then injected molten mass in mould with injector, mould matched moulds is cold
But shape, finished product enters secondary mould after die sinking, by cutting machine trimming in secondary mould, produces power electric meter sheathing material.
Comparative example 1
A kind of power electric meter sheathing material, includes the raw material of following parts by weight：95 parts of polyvinyl chloride, 65 parts of polyethylene, first
45 parts of base methyl acrylate, 40 parts of glass fibre, 32 parts of makrolon, 26 parts of PLA, 21 parts of TDE, poly- diformazan
19 parts of radical siloxane, 13 parts of chitin, 11 parts of silicon nitride powder, 7.5 parts of carborundum powder, 4.5 parts of sodium succinate, 3 parts of talcum powder, sulphur
1.5 parts of 2.5 parts of sour barium and graphite powder
A kind of preparation method of power electric meter sheathing material, comprises the following steps：
(1) raw material is weighed according to the parts by weight of power electric meter sheathing material raw material；
(4) first by polyvinyl chloride, polyethylene, methyl methacrylate, isoprene rubber, phenolic resin, glass fibre, poly- carbon
Acid esters, PLA, TDE, dimethyl silicone polymer, chitin, silicon nitride powder, carborundum powder, sodium succinate, cunning
Stone flour, barium sulfate, graphite powder are put into centrifuge successively, and rotating speed is 1500r/min, centrifugal mixer 3-4min, is well mixed
Afterwards, molten condition is squeezed into double screw extruder, is then injected molten mass in mould with injector, the cooling of mould matched moulds
Sizing, finished product enters secondary mould after die sinking, by cutting machine trimming in secondary mould, produces power electric meter sheathing material.
By electric power electricity made from power electric meter sheathing material made from embodiment 1, embodiment 2 and embodiment 3 and comparative example 1
Off-balancesheet shell material progressive can be tested, and bending strength is tested by ASTM D790；Tensile strength is tested according to ASTM D638；Breach
Impact strength is tested by ASTM D256；Heat distortion temperature is tested by ASTM D648, and test result is as shown in table 1：
| Index | Embodiment 1 | Embodiment 2 | Embodiment 3 | Comparative example 1 |
| Bending strength (Kgf/cm2) | 1490 | 1482 | 1456 | 1390 |
| Tensile strength (Kgf/cm2) | 1020 | 1012 | 1001 | 907 |
| Notch impact strength (KJ/m2) | 17.2 | 16.5 | 15.8 | 13.2 |
| Heat distortion temperature (DEG C) | 158 | 153 | 151 | 137 |
| Oxygen index (OI) (%) | 42 | 41 | 39 | 35 |
From the data of table 1 compare as can be seen that it is an advantage of the invention that：
1st, a kind of power electric meter sheathing material and preparation method thereof, from the bending strength measured as can be seen that embodiment 1-3
Bending strength be above comparative example 1, illustrate that the bending strength of power electric meter sheathing material of the present invention is high.
2nd, a kind of power electric meter sheathing material and preparation method thereof, from the tensile strength measured as can be seen that embodiment 1-3
Tensile strength be above comparative example 1, illustrate that the tensile strength of power electric meter sheathing material of the present invention is high.
3rd, a kind of power electric meter sheathing material and preparation method thereof, implementation is can be seen that from the notch impact strength measured
Example 1-3 notch impact strength is above comparative example 1, illustrates that the notch impact strength of power electric meter sheathing material of the present invention is high.
4th, a kind of power electric meter sheathing material and preparation method thereof, from the heat distortion temperature measured as can be seen that embodiment
1-3 heat distortion temperature is above comparative example 1, illustrates the thermally-stabilised good of power electric meter sheathing material of the present invention.
5th, a kind of power electric meter sheathing material and preparation method thereof, from the oxygen index (OI) measured as can be seen that embodiment 1-3
Oxygen index (OI) is above comparative example 1, illustrates the good flame resistance of power electric meter sheathing material of the present invention.
6th, a kind of power electric meter sheathing material and preparation method thereof, reality is can be seen that from the data of each index measured
Apply example 1 and be superior to embodiment 2, embodiment 3 and comparative example 1, illustrate the composition of raw materials and system of power electric meter sheathing material of the present invention
The reasonability of Preparation Method.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, although with reference to foregoing reality
Apply example the present invention is described in detail, for those skilled in the art, it still can be to foregoing each implementation
Technical scheme described in example is modified, or equivalent substitution, all essences in the present invention are carried out to which part technical characteristic
God is with principle, and any modification, equivalent substitution and improvements made etc. should be included in the scope of the protection.
Claims (9)
1. a kind of power electric meter sheathing material, it is characterised in that include the raw material of following parts by weight：90-100 parts of polyvinyl chloride,
60-70 parts of polyethylene, 40-50 parts of methyl methacrylate, 38-42 parts of glass fibre, 30-34 parts of makrolon, PLA 25-
27 parts, 20-22 parts of TDE, 18-20 parts of dimethyl silicone polymer, 12-14 parts of chitin, 10-12 parts of silicon nitride powder,
7-8 parts of carborundum powder, 4-5 parts of sodium succinate, 2-4 parts of talcum powder, 2-3 parts of barium sulfate, 1-2 parts of graphite powder, ceramic fibre 32-44
Part, 12-34 parts of boron carbide, 21-43 parts of zirconium English powder, 13-31 parts of aluminum nitride powder, 32-40 parts of isoprene rubber, phenolic resin 22-44
Part, 0.4-0.8 parts of fire retardant, 3-9 parts of plasticizer, 0.7-1.1 parts of compatilizer, 0.3-0.9 parts of heat stabilizer, light stabilizer 0.2-
0.8 part and 0.3-0.5 parts of curing agent.
2. power electric meter sheathing material according to claim 1, it is characterised in that include the raw material of following parts by weight：It is poly-
95 parts of vinyl chloride, 65 parts of polyethylene, 45 parts of methyl methacrylate, 40 parts of glass fibre, 32 parts of makrolon, PLA 26
Part, 21 parts of TDE, 19 parts of dimethyl silicone polymer, 13 parts of chitin, 11 parts of silicon nitride powder, 7.5 parts of carborundum powder,
4.5 parts of sodium succinate, 3 parts of talcum powder, 2.5 parts of barium sulfate, 1.5 parts of graphite powder, 38 parts of ceramic fibre, 23 parts of boron carbide, zirconium English
32 parts of powder, 22 parts of aluminum nitride powder, 36 parts of isoprene rubber, 33 parts of phenolic resin, 0.6 part of fire retardant, 6 parts of plasticizer, compatilizer 0.9
Part, 0.6 part of heat stabilizer, 0.5 part of light stabilizer and 0.4 part of curing agent.
3. power electric meter sheathing material according to claim 1, it is characterised in that：The fire retardant is aluminium hydroxide flame-retardant
Agent.
4. power electric meter sheathing material according to claim 1, it is characterised in that：The plasticizer is phthalic acid two
Butyl ester.
5. power electric meter sheathing material according to claim 1, it is characterised in that：The compatilizer is grafted for maleic anhydride
Compatilizer.
6. power electric meter sheathing material according to claim 1, it is characterised in that：The heat stabilizer is dibasic phosphorous
Lead plumbate.
7. power electric meter sheathing material according to claim 1, it is characterised in that：The light stabilizer is carbon black.
8. power electric meter sheathing material according to claim 1, it is characterised in that：The curing agent is diaminourea hexichol first
Alkane.
9. a kind of preparation method of power electric meter sheathing material as described in claim 1-8 any one, it is characterised in that
Comprise the following steps：
(1) raw material is weighed according to the parts by weight of power electric meter sheathing material raw material；
(2) first by polyvinyl chloride, polyethylene, methyl methacrylate, isoprene rubber, phenolic resin, glass fibre, poly- carbonic acid
Ester, PLA, TDE, dimethyl silicone polymer, chitin, silicon nitride powder, carborundum powder, sodium succinate, talcum
It is powder, barium sulfate, graphite powder, ceramic fibre, boron carbide, zirconium English powder, aluminum nitride powder, fire retardant, plasticizer, compatilizer, thermally-stabilised
Agent, light stabilizer, curing agent are put into centrifuge successively, and rotating speed is 1500r/min, centrifugal mixer 3-4min, is well mixed
Afterwards, molten condition is squeezed into double screw extruder, is then injected molten mass in mould with injector, the cooling of mould matched moulds
Sizing, finished product enters secondary mould after die sinking, by cutting machine trimming in secondary mould, produces power electric meter sheathing material.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107739482A (en) * | 2017-10-31 | 2018-02-27 | 广西旭腾实业集团有限公司 | High-performance polyvinyl chloride pipe based on graphene and preparation method thereof |
| CN108299819A (en) * | 2018-03-21 | 2018-07-20 | 合肥东恒锐电子科技有限公司 | A kind of good counter body material of intensity high-termal conductivity and preparation method thereof |
| CN108624028A (en) * | 2018-06-14 | 2018-10-09 | 安徽酷米智能科技有限公司 | A kind of high heat dissipation handset sheathing material |
| CN112156392A (en) * | 2020-10-14 | 2021-01-01 | 国网山东省电力公司潍坊供电公司 | Falling self-locking safety rope hanging ring structure |
| CN112331418A (en) * | 2020-10-28 | 2021-02-05 | 江苏亿致通信科技有限公司 | Production method for 5G high-frequency anti-interference communication cable |
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| CN104479254A (en) * | 2014-12-30 | 2015-04-01 | 国家电网公司 | Preparation process of electric ammeter shell material |
| CN104479255A (en) * | 2014-12-30 | 2015-04-01 | 国家电网公司 | Electric ammeter shell material |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104479254A (en) * | 2014-12-30 | 2015-04-01 | 国家电网公司 | Preparation process of electric ammeter shell material |
| CN104479255A (en) * | 2014-12-30 | 2015-04-01 | 国家电网公司 | Electric ammeter shell material |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107739482A (en) * | 2017-10-31 | 2018-02-27 | 广西旭腾实业集团有限公司 | High-performance polyvinyl chloride pipe based on graphene and preparation method thereof |
| CN108299819A (en) * | 2018-03-21 | 2018-07-20 | 合肥东恒锐电子科技有限公司 | A kind of good counter body material of intensity high-termal conductivity and preparation method thereof |
| CN108624028A (en) * | 2018-06-14 | 2018-10-09 | 安徽酷米智能科技有限公司 | A kind of high heat dissipation handset sheathing material |
| CN112156392A (en) * | 2020-10-14 | 2021-01-01 | 国网山东省电力公司潍坊供电公司 | Falling self-locking safety rope hanging ring structure |
| CN112331418A (en) * | 2020-10-28 | 2021-02-05 | 江苏亿致通信科技有限公司 | Production method for 5G high-frequency anti-interference communication cable |
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