CN107418119A - A kind of fire-retardant power electric meter sheathing material and preparation method thereof - Google Patents
A kind of fire-retardant power electric meter sheathing material and preparation method thereof Download PDFInfo
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- CN107418119A CN107418119A CN201710644695.0A CN201710644695A CN107418119A CN 107418119 A CN107418119 A CN 107418119A CN 201710644695 A CN201710644695 A CN 201710644695A CN 107418119 A CN107418119 A CN 107418119A
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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
- C08L51/00—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
- C08L51/003—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers grafted on to macromolecular compounds obtained by reactions only involving unsaturated carbon-to-carbon bonds
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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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- 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
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2217—Oxides; Hydroxides of metals of magnesium
- C08K2003/2224—Magnesium hydroxide
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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
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
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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
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
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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
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
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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
Abstract
The present invention provides a kind of fire-retardant power electric meter sheathing material and preparation method thereof, is related to electric power Material Field, fire-retardant 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 is weighed, (2) centrifuge, melted, enter mould, sizing and cutting.The present invention solves the problems, such as that existing fire-retardant 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 fire-retardant power electric meter sheathing material and preparation method thereof.
Background technology
Meter case mainly plays the function of protection ammeter inner body.Domestic meter case material at present is more using fire-retardant
ABS, although flame-proof ABS is cheap, rigidity is not fine.It is external to use polycarbafil (PC) at present more, with me
State's expanding economy, it is domestic also largely to use enhancing PC as meter case material.Makrolon is a kind of water white transparency
Indefiniteness thermoplastic, its chemical property are weak acid resistant, resistance to weak base, not resistance to neutral oil, ultraviolet resistance and intolerant to highly basic, its thing
Rationality matter is linear expansivity：38 × 10cm/cm2,135 DEG C of thermal change type temperature, have stability is poor, it is easily cracked stress to be present,
Hit that power is low, wear no resistance, be low on metalwork bonding force, viscosity is big, poor fluidity and influences processing injection molding on notched Izod impact
The shortcomings of.Study both at home and abroad at present it is more be polycarbonate modified meter case material, its main component is makrolon,
Add other fire proofings, the defects of insufficient strength, heat endurance are poor and ageing resistance is poor often be present in it, various performances without
Method has both；And it is largely higher using makrolon cost, reduce the profit margin of enterprise.
The content of the invention
Deposited to solve existing power electric meter sheathing material in mechanical strength, heat endurance, fire-retardant and ageing resistance
The deficiency the problem of, it is an object of the invention to provide a kind of fire-retardant power electric meter sheathing material and preparation method thereof, obtained resistance
Combustion power electric meter sheathing material has the advantages of high mechanical strength, heat endurance are good, good flame resistance and ageing resistance are good.
The invention provides following technical scheme：
A kind of fire-retardant power electric meter sheathing material, include the raw material of following parts by weight：Polyvinyl chloride 90-100 parts, polyethylene
64-70 parts, methyl methacrylate 40-50 parts, glass fibre 38-42 parts, makrolon 30-34 parts, PLA 25-29 parts,
TDE 20-22 parts, dimethyl silicone polymer 18-20 parts, chitin 12-14 parts, silicon nitride powder 10-12 parts, carbonization
Silica flour 7-9 parts, sodium succinate 4-5 parts, talcum powder 2-4 parts, barium sulfate 2-3 parts, boron fibre 22-34 parts, silicon powder 12-34 parts,
Expanded graphite 1-2 parts, expanded perlite 21-43 parts, magnesium aluminate spinel 13-31 parts, neoprene 22-34 parts, the poly- second of chlorosulfonation
Alkene rubber 18-24 parts, fire retardant 0.4-0.6 parts, plasticizer 0.9-1.5 parts, compatilizer 0.6-1.2 parts, heat stabilizer 0.3-0.7
Part, phenolic antioxidant 0.4-0.8 parts and hindered amine light stabilizer 0.2-0.4 parts.
Boron fibre is with the addition of in raw material, boron fibre has the advantages of high temperature resistant and high tensile strength.
Silicon powder is with the addition of in raw material, silicon powder has acid-alkali-corrosive-resisting, good insulating, chemical stability good and fire resistance
The advantages of good.
Expanded graphite is with the addition of in raw material, expanded graphite is swollen through intercalation, washing, drying, high temperature by natural graphite scale
Change obtained loose porous vermiform material, expanded graphite pliability is good, plasticity is good, high temperature resistance is good, fire resistance is good, anti-
The advantages of low temperature properties are good, corrosion resistance is good, radiation resistance is good and ageing resistance is good.
Expanded perlite is with the addition of in raw material, expanded perlite has good fire resistance.
It with the addition of magnesium aluminate spinel in raw material, magnesium aluminate spinel has that corrosion resistance is good, heat-resisting quantity is good and fire resistance is good
The characteristics of.
Neoprene is with the addition of in raw material, neoprene has the advantages of heat-resist, good flame resistance and high mechanical strength.
CSM is with the addition of in raw material, CSM has the advantages of wear-resisting and resistance to combustion.
Preferably, the raw material of following parts by weight is included：95 parts of polyvinyl chloride, 67 parts of polyethylene, methyl methacrylate 45
Part, 40 parts of glass fibre, 32 parts of makrolon, 27 parts of PLA, 21 parts of TDE, 19 parts of dimethyl silicone polymer,
13 parts of chitin, 11 parts of silicon nitride powder, 8 parts of carborundum powder, 4.5 parts of sodium succinate, 3 parts of talcum powder, barium sulfate 2-3 parts, boron are fine
Tie up 22-34 parts, silicon powder 12-34 parts, 1.5 parts of expanded graphite, 32 parts of expanded perlite, 22 parts of magnesium aluminate spinel, neoprene
28 parts, 21 parts of CSM, 0.5 part of fire retardant, 1.2 parts of plasticizer, 0.9 part of compatilizer, 0.5 part of heat stabilizer,
0.3 part of 0.6 part of phenolic antioxidant and hindered amine light stabilizer.
Preferably, the fire retardant is nano-aluminum hydroxide, nano-sized magnesium hydroxide or nano silicon, is favorably improved
The fire resistance of fire-retardant power electric meter sheathing material.
Preferably, the plasticizer is dibutyl phthalate, repefral and phthalic acid diethyl
One or both of ester thing mixed above so that the plasticizing effect enhancing of fire-retardant power electric meter sheathing material, also make its flexible
Property enhancing, be more prone to process.
Preferably, the compatilizer is that maleic anhydride is grafted compatilizer, by intermolecular bonding force, is promoted incompatible
Two kinds of polymer is combined together, and then the purpose of stabilized blends.
Preferably, the heat stabilizer is dibasic lead phosphite, aluminum stearate or barium stearate, is favorably improved fire-retardant
The heat endurance of power electric meter sheathing material.
Preferably, the phenolic antioxidant is 2,2 '-methylene-bis--(4- ethyl -6- tert-butyl phenols), 2,2 '-methylene
One kind in base-bis--(4- methyl-6-tert-butylphenols) and β-(4- hydroxyls -3,5- di-tert-butyl-phenyl) positive octadecyl ester of propionic acid
Or two or more mixtures, it can delay or suppress the oxidation course of fire-retardant power electric meter sheathing material, improve fire-retardant electricity
The service life of power meter case material.
Preferably, the hindered amine light stabilizer is 3,5- di-t-butyl -4- hydroxy-benzoic acids cetyl ester, three
Double -2,2,6, the 6- tetramethyl piperidine alcohol esters of (1,2,2,6,6- pentamethyl -4- piperidyls) phosphite ester, decanedioic acid and double -1- last of the ten Heavenly stems
One or both of alkoxy -2,2,6,6- tetramethyl piperidine -4- alcohol sebacates thing mixed above, the light stabilizer can
Make high molecular polymer under the radiation of light, can prevent or slow down photochemical reaction, postpone the process of light aging, prolong so as to reach
The purpose of long fire-retardant power electric meter sheathing material service life.
A kind of preparation method of fire-retardant power electric meter sheathing material, comprises the following steps：
(1) raw material is weighed according to the parts by weight of fire-retardant power electric meter sheathing material raw material；
(2) first by polyvinyl chloride, polyethylene, methyl methacrylate, glass fibre, makrolon, PLA, ten bromines two
Vinylbenzene, dimethyl silicone polymer, chitin, silicon nitride powder, carborundum powder, sodium succinate, talcum powder, barium sulfate, boron fibre,
Silicon powder, expanded graphite, expanded perlite part, magnesium aluminate spinel, neoprene, CSM, fire retardant, plasticising
Agent, compatilizer, heat stabilizer, phenolic antioxidant, hindered amine light stabilizer are put into centrifuge successively, rotating speed 1500r/
Min, centrifugal mixer 3-4min, after being well mixed, molten condition is squeezed into double screw extruder, then will be molten with injector
In melt body injection mould, mould matched moulds cooling and shaping, finished product enters secondary mould after die sinking, by cutting machine trimming in secondary mould, i.e.,
Obtain fire-retardant 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, fire-retardant and anti-aging
In property the problem of Shortcomings.
1st, boron fibre is with the addition of in raw material of the invention, boron fibre has the advantages of high temperature resistant and high tensile strength.
2nd, silicon powder is with the addition of in raw material of the invention, silicon powder has acid-alkali-corrosive-resisting, good insulating, chemical stability
The advantages of good and fire resistance is good.
3rd, with the addition of expanded graphite in raw material of the invention, expanded graphite be by natural graphite scale through intercalation, washing, do
The loose porous vermiform material that dry, high temperature puffing obtains, expanded graphite pliability is good, plasticity is good, high temperature resistance is good, resistance to
The advantages of fire is good, low temperature resistivity is good, corrosion resistance is good, radiation resistance is good and ageing resistance is good.
4th, expanded perlite is with the addition of in raw material of the invention, expanded perlite has good fire resistance.
5th, it with the addition of magnesium aluminate spinel in raw material of the invention, magnesium aluminate spinel has that corrosion resistance is good, heat-resisting quantity is good
With fire resistance it is good the characteristics of.
6th, neoprene is with the addition of in raw material of the invention, neoprene has heat-resist, good flame resistance and machinery strong
Spend the advantages of high.
7th, CSM is with the addition of in raw material of the invention, CSM has wear-resisting and resistance to combustion
The advantages of.
8th, heretofore described fire retardant is nano-aluminum hydroxide, nano-sized magnesium hydroxide or nano silicon, is contributed to
Improve the fire resistance of fire-retardant power electric meter sheathing material.
9th, heretofore described plasticizer is dibutyl phthalate, repefral and phthalic acid two
One or both of ethyl ester thing mixed above so that the plasticizing effect enhancing of fire-retardant power electric meter sheathing material, also make its soft
Toughness strengthens, and is more prone to process.
10th, 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 the purpose of stabilized blends.
11st, heretofore described heat stabilizer is dibasic lead phosphite, aluminum stearate or barium stearate, is favorably improved
The heat endurance of fire-retardant power electric meter sheathing material.
12nd, heretofore described phenolic antioxidant is 2,2 '-methylene-bis--(4- ethyl -6- tert-butyl phenols), 2,2 ' -
In methylene-bis--(4- methyl-6-tert-butylphenols) and β-(4- hydroxyls -3,5- di-tert-butyl-phenyl) positive octadecyl ester of propionic acid
One or more kinds of mixtures, it can delay or suppress the oxidation course of fire-retardant power electric meter sheathing material, improve resistance
Fire the service life of power electric meter sheathing material.
13rd, heretofore described hindered amine light stabilizer is 3,5- di-t-butyl -4- hydroxy-benzoic acid cetyls
Double -2,2,6,6- tetramethyl piperidine alcohol esters of ester, three (1,2,2,6,6- pentamethyl -4- piperidyls) phosphite esters, decanedioic acid and double -
One or both of 1- decane epoxides -2,2,6,6- tetramethyl piperidine -4- alcohol sebacates thing mixed above, the light stabilizer
High molecular polymer can be made under the radiation of light, can prevent or slow down photochemical reaction, postpone the process of light aging, so as to reach
To the purpose for extending fire-retardant power electric meter sheathing material service life.
Embodiment
Embodiment 1
A kind of fire-retardant power electric meter sheathing material, include the raw material of following parts by weight：95 parts of polyvinyl chloride, polyethylene 67
Part, 45 parts of methyl methacrylate, 40 parts of glass fibre, 32 parts of makrolon, 27 parts of PLA, 21 parts of TDE,
19 parts of dimethyl silicone polymer, 13 parts of chitin, 11 parts of silicon nitride powder, 8 parts of carborundum powder, 4.5 parts of sodium succinate, talcum powder 3
Part, barium sulfate 2-3 parts, boron fibre 22-34 parts, silicon powder 12-34 parts, 1.5 parts of expanded graphite, 32 parts of expanded perlite, magnalium
22 parts of spinelle, 28 parts of neoprene, 21 parts of CSM, 0.5 part of fire retardant, 1.2 parts of plasticizer, compatilizer
0.3 part of 0.9 part, 0.5 part of heat stabilizer, 0.6 part of phenolic antioxidant and hindered amine light stabilizer.
Boron fibre is with the addition of in raw material, boron fibre has the advantages of high temperature resistant and high tensile strength.
Silicon powder is with the addition of in raw material, silicon powder has acid-alkali-corrosive-resisting, good insulating, chemical stability good and fire resistance
The advantages of good.
Expanded graphite is with the addition of in raw material, expanded graphite is swollen through intercalation, washing, drying, high temperature by natural graphite scale
Change obtained loose porous vermiform material, expanded graphite pliability is good, plasticity is good, high temperature resistance is good, fire resistance is good, anti-
The advantages of low temperature properties are good, corrosion resistance is good, radiation resistance is good and ageing resistance is good.
Expanded perlite is with the addition of in raw material, expanded perlite has good fire resistance.
It with the addition of magnesium aluminate spinel in raw material, magnesium aluminate spinel has that corrosion resistance is good, heat-resisting quantity is good and fire resistance is good
The characteristics of.
Neoprene is with the addition of in raw material, neoprene has the advantages of heat-resist, good flame resistance and high mechanical strength.
CSM is with the addition of in raw material, CSM has the advantages of wear-resisting and resistance to combustion.
Fire retardant is nano-aluminum hydroxide, is favorably improved the fire resistance of fire-retardant power electric meter sheathing material.
Plasticizer is dibutyl phthalate so that the plasticizing effect enhancing of fire-retardant power electric meter sheathing material, is also made
Its pliability strengthens, and is more prone to process.
Compatilizer is that maleic anhydride is grafted compatilizer, by intermolecular bonding force, promotes incompatible two kinds of polymer
It is combined together, and then the purpose of stabilized blends.
Heat stabilizer is aluminum stearate, is favorably improved the heat endurance of fire-retardant power electric meter sheathing material.
Phenolic antioxidant is 2,2 '-methylene-bis--(4- ethyl -6- tert-butyl phenols), can delay or suppress and be fire-retardant
The oxidation course of power electric meter sheathing material, improve the service life of fire-retardant power electric meter sheathing material.
Hindered amine light stabilizer is 3,5- di-t-butyl -4- hydroxy-benzoic acid cetyl esters, and the light stabilizer can
Make high molecular polymer under the radiation of light, can prevent or slow down photochemical reaction, postpone the process of light aging, prolong so as to reach
The purpose of long fire-retardant power electric meter sheathing material service life.
A kind of preparation method of fire-retardant power electric meter sheathing material, comprises the following steps：
(1) raw material is weighed according to the parts by weight of fire-retardant power electric meter sheathing material raw material；
(2) first by polyvinyl chloride, polyethylene, methyl methacrylate, glass fibre, makrolon, PLA, ten bromines two
Vinylbenzene, dimethyl silicone polymer, chitin, silicon nitride powder, carborundum powder, sodium succinate, talcum powder, barium sulfate, boron fibre,
Silicon powder, expanded graphite, expanded perlite part, magnesium aluminate spinel, neoprene, CSM, fire retardant, plasticising
Agent, compatilizer, heat stabilizer, phenolic antioxidant, hindered amine light stabilizer are put into centrifuge successively, rotating speed 1500r/
Min, centrifugal mixer 3-4min, after being well mixed, molten condition is squeezed into double screw extruder, then will be molten with injector
In melt body injection mould, mould matched moulds cooling and shaping, finished product enters secondary mould after die sinking, by cutting machine trimming in secondary mould, i.e.,
Obtain fire-retardant power electric meter sheathing material.
Embodiment 2
A kind of fire-retardant power electric meter sheathing material, include the raw material of following parts by weight：90 parts of polyvinyl chloride, polyethylene 64
Part, 40 parts of methyl methacrylate, 38 parts of glass fibre, 30 parts of makrolon, 25 parts of PLA, 20 parts of TDE,
18 parts of dimethyl silicone polymer, 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,
2 parts of barium sulfate, 22 parts of boron fibre, 12 parts of silicon powder, 1 part of expanded graphite, 21 parts of expanded perlite, 13 parts of magnesium aluminate spinel, chlorine
22 parts of buna, 18 parts of CSM, 0.4 part of fire retardant, 0.9 part of plasticizer, 0.6 part of compatilizer, heat stabilizer
0.2 part of 0.3 part, 0.4 part of phenolic antioxidant and hindered amine light stabilizer.
Boron fibre is with the addition of in raw material, boron fibre has the advantages of high temperature resistant and high tensile strength.
Silicon powder is with the addition of in raw material, silicon powder has acid-alkali-corrosive-resisting, good insulating, chemical stability good and fire resistance
The advantages of good.
Expanded graphite is with the addition of in raw material, expanded graphite is swollen through intercalation, washing, drying, high temperature by natural graphite scale
Change obtained loose porous vermiform material, expanded graphite pliability is good, plasticity is good, high temperature resistance is good, fire resistance is good, anti-
The advantages of low temperature properties are good, corrosion resistance is good, radiation resistance is good and ageing resistance is good.
Expanded perlite is with the addition of in raw material, expanded perlite has good fire resistance.
It with the addition of magnesium aluminate spinel in raw material, magnesium aluminate spinel has that corrosion resistance is good, heat-resisting quantity is good and fire resistance is good
The characteristics of.
Neoprene is with the addition of in raw material, neoprene has the advantages of heat-resist, good flame resistance and high mechanical strength.
CSM is with the addition of in raw material, CSM has the advantages of wear-resisting and resistance to combustion.
Fire retardant is nano-aluminum hydroxide, is favorably improved the fire resistance of fire-retardant power electric meter sheathing material.
Plasticizer is dibutyl phthalate so that the plasticizing effect enhancing of fire-retardant power electric meter sheathing material, is also made
Its pliability strengthens, and is more prone to process.
Compatilizer is that maleic anhydride is grafted compatilizer, by intermolecular bonding force, promotes incompatible two kinds of polymer
It is combined together, and then the purpose of stabilized blends.
Heat stabilizer is aluminum stearate, is favorably improved the heat endurance of fire-retardant power electric meter sheathing material.
Phenolic antioxidant is 2,2 '-methylene-bis--(4- ethyl -6- tert-butyl phenols), can delay or suppress and be fire-retardant
The oxidation course of power electric meter sheathing material, improve the service life of fire-retardant power electric meter sheathing material.
Hindered amine light stabilizer is 3,5- di-t-butyl -4- hydroxy-benzoic acid cetyl esters, and the light stabilizer can
Make high molecular polymer under the radiation of light, can prevent or slow down photochemical reaction, postpone the process of light aging, prolong so as to reach
The purpose of long fire-retardant power electric meter sheathing material service life.
A kind of preparation method of fire-retardant power electric meter sheathing material, comprises the following steps：
(1) raw material is weighed according to the parts by weight of fire-retardant power electric meter sheathing material raw material；
(2) first by polyvinyl chloride, polyethylene, methyl methacrylate, glass fibre, makrolon, PLA, ten bromines two
Vinylbenzene, dimethyl silicone polymer, chitin, silicon nitride powder, carborundum powder, sodium succinate, talcum powder, barium sulfate, boron fibre,
Silicon powder, expanded graphite, expanded perlite part, magnesium aluminate spinel, neoprene, CSM, fire retardant, plasticising
Agent, compatilizer, heat stabilizer, phenolic antioxidant, hindered amine light stabilizer are put into centrifuge successively, rotating speed 1500r/
Min, centrifugal mixer 3-4min, after being well mixed, molten condition is squeezed into double screw extruder, then will be molten with injector
In melt body injection mould, mould matched moulds cooling and shaping, finished product enters secondary mould after die sinking, by cutting machine trimming in secondary mould, i.e.,
Obtain fire-retardant power electric meter sheathing material.
Embodiment 3
A kind of fire-retardant power electric meter sheathing material, include the raw material of following parts by weight：100 parts of polyvinyl chloride, polyethylene 70
Part, 50 parts of methyl methacrylate, 42 parts of glass fibre, 34 parts of makrolon, 29 parts of PLA, 22 parts of TDE,
20 parts of dimethyl silicone polymer, 14 parts of chitin, 12 parts of silicon nitride powder, 9 parts of carborundum powder, 5 parts of sodium succinate, 4 parts of talcum powder,
3 parts of barium sulfate, 34 parts of boron fibre, 34 parts of silicon powder, 2 parts of expanded graphite, 43 parts of expanded perlite, 31 parts of magnesium aluminate spinel, chlorine
34 parts of buna, 24 parts of CSM, 0.6 part of fire retardant, 1.5 parts of plasticizer, 1.2 parts of compatilizer, heat stabilizer
0.4 part of 0.7 part, 0.8 part of phenolic antioxidant and hindered amine light stabilizer.
Boron fibre is with the addition of in raw material, boron fibre has the advantages of high temperature resistant and high tensile strength.
Silicon powder is with the addition of in raw material, silicon powder has acid-alkali-corrosive-resisting, good insulating, chemical stability good and fire resistance
The advantages of good.
Expanded graphite is with the addition of in raw material, expanded graphite is swollen through intercalation, washing, drying, high temperature by natural graphite scale
Change obtained loose porous vermiform material, expanded graphite pliability is good, plasticity is good, high temperature resistance is good, fire resistance is good, anti-
The advantages of low temperature properties are good, corrosion resistance is good, radiation resistance is good and ageing resistance is good.
Expanded perlite is with the addition of in raw material, expanded perlite has good fire resistance.
It with the addition of magnesium aluminate spinel in raw material, magnesium aluminate spinel has that corrosion resistance is good, heat-resisting quantity is good and fire resistance is good
The characteristics of.
Neoprene is with the addition of in raw material, neoprene has the advantages of heat-resist, good flame resistance and high mechanical strength.
CSM is with the addition of in raw material, CSM has the advantages of wear-resisting and resistance to combustion.
Fire retardant is nano-sized magnesium hydroxide, is favorably improved the fire resistance of fire-retardant power electric meter sheathing material.
Plasticizer is the mixture of dibutyl phthalate, repefral and diethyl phthalate,
So that the plasticizing effect enhancing of fire-retardant power electric meter sheathing material, also strengthens its pliability, is more prone to process.
Compatilizer is that maleic anhydride is grafted compatilizer, by intermolecular bonding force, promotes incompatible two kinds of polymer
It is combined together, and then the purpose of stabilized blends.
Heat stabilizer is barium stearate, is favorably improved the heat endurance of fire-retardant power electric meter sheathing material.
Phenolic antioxidant is 2,2 '-methylene-bis--(4- ethyl -6- tert-butyl phenols), 2,2 '-methylene-bis--(4- first
Base -6- tert-butyl phenols) and β-(4- hydroxyls -3,5- di-tert-butyl-phenyl) positive octadecyl ester of propionic acid mixture, can delay or
Person suppresses the oxidation course of fire-retardant power electric meter sheathing material, improves the service life of fire-retardant power electric meter sheathing material.
Hindered amine light stabilizer is 3,5- di-t-butyl -4- hydroxy-benzoic acids cetyl ester, three (1,2,2,6,6-
Pentamethyl -4- piperidyls) phosphite ester, double -2,2,6, the 6- tetramethyl piperidine alcohol esters of decanedioic acid and double -1- decane epoxides -2,2,
The mixture of 6,6- tetramethyl piperidine -4- alcohol sebacates, the light stabilizer can make high molecular polymer under the radiation of light,
It can prevent or slow down photochemical reaction, postpone the process of light aging, extend fire-retardant power electric meter sheathing material use so as to reach
The purpose in life-span.
A kind of preparation method of fire-retardant power electric meter sheathing material, comprises the following steps：
(1) raw material is weighed according to the parts by weight of fire-retardant power electric meter sheathing material raw material；
(2) first by polyvinyl chloride, polyethylene, methyl methacrylate, glass fibre, makrolon, PLA, ten bromines two
Vinylbenzene, dimethyl silicone polymer, chitin, silicon nitride powder, carborundum powder, sodium succinate, talcum powder, barium sulfate, boron fibre,
Silicon powder, expanded graphite, expanded perlite part, magnesium aluminate spinel, neoprene, CSM, fire retardant, plasticising
Agent, compatilizer, heat stabilizer, phenolic antioxidant, hindered amine light stabilizer are put into centrifuge successively, rotating speed 1500r/
Min, centrifugal mixer 3-4min, after being well mixed, molten condition is squeezed into double screw extruder, then will be molten with injector
In melt body injection mould, mould matched moulds cooling and shaping, finished product enters secondary mould after die sinking, by cutting machine trimming in secondary mould, i.e.,
Obtain fire-retardant power electric meter sheathing material.
Comparative example 1
A kind of fire-retardant power electric meter sheathing material, include the raw material of following parts by weight：95 parts of polyvinyl chloride, polyethylene 65
Part, 45 parts of methyl methacrylate, 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, talcum powder
1.5 parts of 3 parts, 2.5 parts of barium sulfate and graphite powder
A kind of preparation method of fire-retardant power electric meter sheathing material, comprises the following steps：
(1) raw material is weighed according to the parts by weight of fire-retardant 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, rotating speed 1500r/min, centrifugal mixer 3-4min, are 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 fire-retardant power electric meter sheathing material.
By fire-retardant power electric meter sheathing material made from embodiment 1, embodiment 2 and embodiment 3 and the obtained resistance of comparative example 1
Fire power electric meter sheathing material and carry out performance test, bending strength is tested by ASTM D790；Tensile strength is according to ASTM D638
Test；Notch 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) | 1495 | 1489 | 1466 | 1390 |
| Tensile strength (Kgf/cm2) | 1120 | 1112 | 1089 | 907 |
| Notch impact strength (KJ/m2) | 19.2 | 18.5 | 16.9 | 13.2 |
| Heat distortion temperature (DEG C) | 168 | 159 | 156 | 137 |
| Oxygen index (OI) (%) | 41 | 39 | 38 | 35 |
| Aging coefficient (70 DEG C, 144h) | 0.93 | 0.88 | 0.86 | 0.79 |
From the data of table 1 compare as can be seen that it is an advantage of the invention that：
1st, a kind of fire-retardant power electric meter sheathing material and preparation method thereof, implementation is can be seen that from the bending strength measured
Example 1-3 bending strength is above comparative example 1, illustrates that the bending strength of the fire-retardant power electric meter sheathing material of the present invention is high.
2nd, a kind of fire-retardant power electric meter sheathing material and preparation method thereof, implementation is can be seen that from the tensile strength measured
Example 1-3 tensile strength is above comparative example 1, illustrates that the tensile strength of the fire-retardant power electric meter sheathing material of the present invention is high.
3rd, a kind of fire-retardant power electric meter sheathing material and preparation method thereof, can be seen that from the notch impact strength measured
Embodiment 1-3 notch impact strength is above comparative example 1, illustrates the notch shock of the fire-retardant power electric meter sheathing material of the present invention
Intensity is high.
4th, a kind of fire-retardant power electric meter sheathing material and preparation method thereof, reality is can be seen that from the heat distortion temperature measured
The heat distortion temperature for applying a 1-3 is above comparative example 1, illustrates that the thermostabilization of the fire-retardant power electric meter sheathing material of the present invention is good.
5th, a kind of fire-retardant power electric meter sheathing material and preparation method thereof, embodiment is can be seen that from the oxygen index (OI) measured
1-3 oxygen index (OI) is above comparative example 1, illustrates the good flame resistance of the fire-retardant power electric meter sheathing material of the present invention.
6th, a kind of fire-retardant power electric meter sheathing material and preparation method thereof, implementation is can be seen that from the aging coefficient measured
Example 1-3 aging coefficient is above comparative example 1, illustrates that the ageing resistance of the fire-retardant power electric meter sheathing material of the present invention is good.
7th, a kind of fire-retardant power electric meter sheathing material and preparation method thereof, can from the data of each index measured
Go out, embodiment 1 is superior to embodiment 2, embodiment 3 and comparative example 1, illustrates the raw material of the fire-retardant power electric meter sheathing material of the present invention
The reasonability of formula and 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 any modification, equivalent substitution and improvements made etc., should be included in the scope of the protection with principle.
Claims (9)
1. a kind of fire-retardant power electric meter sheathing material, it is characterised in that include the raw material of following parts by weight：Polyvinyl chloride 90-100
Part, polyethylene 64-70 parts, methyl methacrylate 40-50 parts, glass fibre 38-42 parts, makrolon 30-34 parts, PLA
25-29 parts, TDE 20-22 parts, dimethyl silicone polymer 18-20 parts, chitin 12-14 parts, silicon nitride powder 10-12
Part, carborundum powder 7-9 parts, sodium succinate 4-5 parts, talcum powder 2-4 parts, barium sulfate 2-3 parts, boron fibre 22-34 parts, silicon powder
12-34 parts, expanded graphite 1-2 parts, expanded perlite 21-43 parts, magnesium aluminate spinel 13-31 parts, neoprene 22-34 parts, chlorine
Sulfonated polyethylene rubber 18-24 parts, fire retardant 0.4-0.6 parts, plasticizer 0.9-1.5 parts, compatilizer 0.6-1.2 parts, thermostabilization
Agent 0.3-0.7 parts, phenolic antioxidant 0.4-0.8 parts and hindered amine light stabilizer 0.2-0.4 parts.
2. fire-retardant power electric meter sheathing material according to claim 1, it is characterised in that include the original of following parts by weight
Material：95 parts of polyvinyl chloride, 67 parts of polyethylene, 45 parts of methyl methacrylate, 40 parts of glass fibre, 32 parts of makrolon, poly- breast
27 parts of acid, 21 parts of TDE, 19 parts of dimethyl silicone polymer, 13 parts of chitin, 11 parts of silicon nitride powder, carborundum powder 8
Part, 4.5 parts of sodium succinate, 3 parts of talcum powder, barium sulfate 2-3 parts, boron fibre 22-34 parts, silicon powder 12-34 parts, expanded graphite
1.5 parts, 32 parts of expanded perlite, 22 parts of magnesium aluminate spinel, 28 parts of neoprene, 21 parts of CSM, fire retardant
0.5 part, 1.2 parts of plasticizer, 0.9 part of compatilizer, 0.5 part of heat stabilizer, 0.6 part of phenolic antioxidant and hindered amine light stabilizer
0.3 part.
3. fire-retardant power electric meter sheathing material according to claim 1, it is characterised in that：The fire retardant is nanometer hydrogen-oxygen
Change aluminium, nano-sized magnesium hydroxide or nano silicon.
4. fire-retardant power electric meter sheathing material according to claim 1, it is characterised in that：The plasticizer is O-phthalic
One or both of dibutyl phthalate, repefral and diethyl phthalate thing mixed above.
5. fire-retardant power electric meter sheathing material according to claim 1, it is characterised in that：The compatilizer is maleic anhydride
It is grafted compatilizer.
6. fire-retardant power electric meter sheathing material according to claim 1, it is characterised in that：The heat stabilizer is dibasic
Lead phosphite, aluminum stearate or barium stearate.
7. fire-retardant power electric meter sheathing material according to claim 1, it is characterised in that：The phenolic antioxidant is 2,
2 '-methylene-bis--(4- ethyl -6- tert-butyl phenols), 2,2 '-methylene-bis--(4- methyl-6-tert-butylphenols) and β -
One or both of (4- hydroxyls -3,5- di-tert-butyl-phenyl) positive octadecyl ester of propionic acid thing mixed above.
8. fire-retardant power electric meter sheathing material according to claim 1, it is characterised in that：The hindered amine light stabilizer
For 3,5- di-t-butyl -4- hydroxy-benzoic acids cetyl ester, three (1,2,2,6,6- pentamethyl -4- piperidyls) phosphite esters,
Double -2,2,6, the 6- tetramethyl piperidine alcohol esters of decanedioic acid and double -1- decane epoxides -2,2,6,6- tetramethyl piperidine -4- alcohol decanedioic acid
One or both of ester thing mixed above.
9. a kind of preparation method of fire-retardant power electric meter sheathing material as described in claim 1-8 any one, its feature exist
In comprising the following steps：
(1) raw material is weighed according to the parts by weight of fire-retardant power electric meter sheathing material raw material；
(2) first by polyvinyl chloride, polyethylene, methyl methacrylate, glass fibre, makrolon, PLA, decabrominated dipheny second
Alkane, dimethyl silicone polymer, chitin, silicon nitride powder, carborundum powder, sodium succinate, talcum powder, barium sulfate, boron fibre, silicon are micro-
Powder, expanded graphite, expanded perlite part, magnesium aluminate spinel, neoprene, CSM, fire retardant, plasticizer,
Compatilizer, heat stabilizer, phenolic antioxidant, hindered amine light stabilizer are put into centrifuge successively, rotating speed 1500r/
Min, centrifugal mixer 3-4min, after being well mixed, molten condition is squeezed into double screw extruder, then will be molten with injector
In melt body injection mould, mould matched moulds cooling and shaping, finished product enters secondary mould after die sinking, by cutting machine trimming in secondary mould, i.e.,
Obtain fire-retardant power electric meter sheathing material.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109679330A (en) * | 2018-12-28 | 2019-04-26 | 宁波高新区诠宝绶新材料科技有限公司 | A kind of fire prevention electric appliance polymer composite and preparation method thereof |
| CN110041596A (en) * | 2019-04-02 | 2019-07-23 | 安徽省欣雨环卫机械有限公司 | One kind is convenient for cleaning electric sanitation truck tank material and preparation method thereof |
| CN113527746A (en) * | 2021-08-06 | 2021-10-22 | 浙江盛丰塑胶有限公司 | High-definition flame-retardant spray painting film |
| CN115109352A (en) * | 2022-07-01 | 2022-09-27 | 巢湖市金鸿电缆有限公司 | Tear-resistant cable protective sleeve and preparation method thereof |
| CN117487291A (en) * | 2023-11-16 | 2024-02-02 | 广东金奔电缆有限公司 | Flame-retardant polyvinyl chloride cable and preparation process thereof |
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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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| CN109679330A (en) * | 2018-12-28 | 2019-04-26 | 宁波高新区诠宝绶新材料科技有限公司 | A kind of fire prevention electric appliance polymer composite and preparation method thereof |
| CN110041596A (en) * | 2019-04-02 | 2019-07-23 | 安徽省欣雨环卫机械有限公司 | One kind is convenient for cleaning electric sanitation truck tank material and preparation method thereof |
| CN113527746A (en) * | 2021-08-06 | 2021-10-22 | 浙江盛丰塑胶有限公司 | High-definition flame-retardant spray painting film |
| CN115109352A (en) * | 2022-07-01 | 2022-09-27 | 巢湖市金鸿电缆有限公司 | Tear-resistant cable protective sleeve and preparation method thereof |
| CN115109352B (en) * | 2022-07-01 | 2023-12-01 | 巢湖市金鸿电缆有限公司 | Tear-resistant cable protective sleeve and preparation method thereof |
| CN117487291A (en) * | 2023-11-16 | 2024-02-02 | 广东金奔电缆有限公司 | Flame-retardant polyvinyl chloride cable and preparation process thereof |
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