CN107189273A - A kind of electric power protecting pipe and preparation method thereof - Google Patents
A kind of electric power protecting pipe and preparation method thereof Download PDFInfo
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- CN107189273A CN107189273A CN201710537188.7A CN201710537188A CN107189273A CN 107189273 A CN107189273 A CN 107189273A CN 201710537188 A CN201710537188 A CN 201710537188A CN 107189273 A CN107189273 A CN 107189273A
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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
- C08K2003/222—Magnesia, i.e. magnesium oxide
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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
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
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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
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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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
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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
- C08L2205/08—Polymer mixtures characterised by other features containing additives to improve the compatibility between two polymers
Abstract
The present invention provides a kind of electric power protecting pipe and preparation method thereof, is related to electric power Material Field, electric power protecting pipe includes the raw material of following parts by weight：Barium titanate powder, aluminum nitride powder, carbonization chromium powder, borax, talcum powder, Paris white, silica gel, TDE, stearic acid, starch ether, chitin, makrolon, hydroxyethyl cellulose part, polyvinyl alcohol, polyvinyl chloride, neoprene, CSM, polyamide, kaolin, glass fibre, nanometer silicon carbide, magnesia, fire retardant part, plasticizer, compatilizer, heat stabilizer, light stabilizer and curing agent；Preparation method comprises the following steps：(1) raw material, (2) mixing, (3) centrifugation, extrusion forming, cutting and enlarging are weighed.The present invention solves the problem of existing electric power protecting pipe still needs to further improvement in tensile strength, bending strength, hardness, thermal conductivity factor and these fire-retardant performances, strengthened.
Description
Technical field
The invention belongs to electric power Material Field, and in particular to a kind of electric power protecting pipe and preparation method thereof.
Background technology
Electric power protecting pipe is the insulation protection heat-shrinkable T bush commonly used on a kind of cable, and the main material of this kind of product is PE, warp
Cross cross-linking radiation and the two techniques are expanded in heating, with thermal contraction function, shrinkage ratio is 3: 1 or so, and bore is from 50-350mm
, can be used as pyrocondensation inner sheath, the oversheath in cable accessory, and outer layer insulation water-proof jacket pipe.Electric power protecting pipe
Main application is used as cable cover(ing), protects cable not damaged by the external world, it is ensured that Electrical Safety, and electric power protecting pipe is divided into buried
And ground type.Eighties of last century typically protects cable using the protecting pipe of metal material preparation；With the continuous hair of Material Field
Exhibition, plastic pipe instead of original metal pipe material.
Electric power protecting pipe, which is generally required, to be applied in various adverse circumstances, including seabed, snowfield and saline-alkali environment etc..By
It is severe, it is necessary to enhancing modification be carried out to plastic material, with higher ring stiffness, to resist extraneous lotus in use environment
Carry；Stronger cold-resistant temperature capacity is needed, and is difficult to be corroded and is unlikely to deform, the features such as service life is long.Prior art
In electric power protecting pipe often there are various performances and can not have both, application is not extensive enough, and technical staff is directed to varying environment
Select the type of electric power protecting pipe often very difficult.
A kind of electric power protecting pipe of Chinese patent literature that on October 14th, 2015 is announced and preparation method thereof (Authorization Notice No.
CN103724879B), it is prepared from by the raw material of following weight parts, barium titanate powder 2, aluminum nitride powder 2, and be carbonized chromium powder 2, borax
2, talcum powder 2, Paris white 2, silica gel 2, TDE 5, stearic acid 8, starch ether 10, chitin 15, makrolon 20,
Hydroxyethyl cellulose 30, polyvinyl alcohol 36, polyvinyl chloride 45.The invention also discloses a kind of preparation method of electric power protecting pipe.
Electric power protecting pipe prepared by the invention is in these property of tensile strength, bending strength, hardness, thermal conductivity factor and oxygen index (OI)
Can on still need to further improvement, strengthen, can be applied to various extreme environments, possess good application prospect.
The content of the invention
In order to solve existing electric power protecting pipe in tensile strength, bending strength, hardness, thermal conductivity factor and these fire-retardant property
Can on still need to further improvement, the problem of strengthen, it is an object of the invention to provide a kind of electric power protecting pipe and preparation method thereof, system
Electric power protecting pipe have that tensile strength is high, bending strength is high, bus hardness is big, thermal conductivity factor is high and good flame resistance excellent
Point.
The invention provides following technical scheme：
A kind of electric power protecting pipe, includes the raw material of following parts by weight：1-3 parts of barium titanate powder, 1-2 parts of aluminum nitride powder, carbonization
It is 1-3 parts of chromium powder, 1-2 parts of borax, 1-3 parts of talcum powder, 1-2 parts of Paris white, 1-3 parts of silica gel, 3-5 parts of TDE, hard
6-8 parts of resin acid, 8-10 parts of starch ether, 12-14 parts of chitin, 18-20 parts of makrolon, 28-30 parts of hydroxyethyl cellulose, poly- second
32-36 parts of enol, 40-45 parts of polyvinyl chloride, 20-30 parts of neoprene, 15-25 parts of CSM, polyamide resin
14-22 parts of fat, 1-3 parts of kaolin, 2-4 parts of glass fibre, 6-18 parts of nanometer silicon carbide, 4-8 parts of magnesia, fire retardant 0.6-
0.8 part, 5-9 parts of plasticizer, 0.5-1.1 parts of compatilizer, 0.3-0.7 parts of heat stabilizer, 0.2-0.8 parts of light stabilizer and curing agent
0.3-0.9 parts.
Neoprene is with the addition of in raw material, neoprene has the advantages that heat-resist, good flame resistance and high mechanical strength.
CSM is with the addition of in raw material, CSM has the advantages that wear-resisting and resistance to combustion.
It with the addition of polyamide in raw material, polyamide has that nontoxic, light weight, high mechanical strength, wearability be good, resistance
The advantage of the good, good toughness of combustion property and good impact resistance, is favorably improved the toughness and anti-flammability of the electric power protecting pipe of preparation.
It with the addition of kaolin in raw material, kaolin has that electrical insulating property is good, chemical stability is good, caking property is good and fire resistance
Good advantage.
Glass fibre is with the addition of in raw material, glass fibre has good insulating, fire resistance good, heat-resist and mechanical strength
High advantage.
Nanometer silicon carbide is with the addition of in raw material, nanometer silicon carbide has high high temperature resistant, intensity, good impact resistance and fire resistance
Good advantage, is favorably improved the fire resistance and intensity of the electric power protecting pipe of preparation.
It with the addition of magnesia in raw material, magnesia has the advantages that fire resistance is good and good insulating.
Preferably, the raw material of following parts by weight is included：2 parts of barium titanate powder, 1.5 parts of aluminum nitride powder, 2 parts of chromium powder of carbonization, boron
1.5 parts of sand, 2 parts of talcum powder, 1.5 parts of Paris white, 2 parts of silica gel, 4 parts of TDE, 7 parts of stearic acid, 9 parts of starch ether,
13 parts of chitin, 19 parts of makrolon, 29 parts of hydroxyethyl cellulose, 34 parts of polyvinyl alcohol, 42.5 parts of polyvinyl chloride, neoprene
25 parts, 20 parts of CSM, 18 parts of polyamide, 2 parts of kaolin, 3 parts of glass fibre, nanometer silicon carbide 12
Part, 6 parts of magnesia, 0.7 part of fire retardant, 7 parts of plasticizer, 0.8 part of compatilizer, 0.5 part of heat stabilizer, 0.6 part of light stabilizer and
0.6 part of curing agent.
Preferably, the fire retardant is organic phosphates fire retardant, and it is more steady that organic phosphates fire retardant can produce structure when heated
On the one hand fixed crosslinking shape solid matter or carburization zone, the formation of carburization zone can prevent polymer from being further pyrolyzed, on the other hand
Thermal decomposition generation inside preventing enters gas phase and participates in combustion process.
Preferably, the plasticizer is dioctyl phthalate so that the plasticizing effect enhancing of electric power protecting pipe, is also made
Its pliability strengthens, and is more prone to processing, while less expensive.
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 organo-tin het stabilizer, and organo-tin het stabilizer has efficient, transparent and heat-resisting
Advantage, be favorably improved the heat endurance of the electric power protecting pipe of preparation.
Preferably, the light stabilizer is titanium dioxide, can cover or reflect the material of ultraviolet, prevent light from penetrating
Electric power protecting pipe, reaches the purpose of protection electric power protecting pipe.
Preferably, the curing agent is MDA, the electric power sheath after MDA solidifies
Pipe, its toughness, heat-resisting quantity and anti-flammability are strengthened.
A kind of preparation method of electric power protecting pipe, comprises the following steps：
(1) raw material is weighed according to the parts by weight of electric power protecting pipe raw material；
(2) by barium titanate powder, aluminum nitride powder, carbonization chromium powder, borax, talcum powder, Paris white, kaolin, nano silicon carbide
Silicon and magnesia are put into mixer, are stirred, and produce compound a；
(3) the compound a for obtaining step (2) is put into retort, and the temperature control of retort is at 50 DEG C, then toward anti-
Answer and silica gel is added in tank, along with stirring in adition process, mixing speed is 100r/min, and mixing time is 5min, that is, is obtained
Compound b；
(4) the compound b that obtains step (3), TDE, stearic acid, starch ether, chitin, makrolon,
Hydroxyethyl cellulose, polyvinyl alcohol, polyvinyl chloride, neoprene, CSM, polyamide, glass fibre,
Fire retardant, plasticizer, compatilizer, heat stabilizer, light stabilizer, curing agent are put into centrifuge successively, and rotating speed is 2000r/
Min, centrifugal mixer 3-4min, after being well mixed, are squeezed into molten condition into double screw extruder, draw product through forming machine
After going out, by cutting machine fixed length cutting, pipe-expanding machine is sent into, after the completion of enlarging, electric power protecting pipe is produced.
The beneficial effects of the invention are as follows：
1st, the present invention solves existing electric power protecting pipe in tensile strength, bending strength, hardness, thermal conductivity factor and fire-retardant
The problem of further improvement is still needed in these performances, is strengthened.
2nd, neoprene is with the addition of in raw material of the invention, neoprene has heat-resist, good flame resistance and machinery strong
The high advantage of degree.
3rd, CSM is with the addition of in raw material of the invention, CSM has wear-resisting and resistance to combustion
Advantage.
4th, with the addition of polyamide in raw material of the invention, polyamide have nontoxic, light weight, high mechanical strength,
Wearability is good, the advantage of good flame resistance, good toughness and good impact resistance, be favorably improved the electric power protecting pipe of preparation toughness and
Anti-flammability.
5th, it with the addition of kaolin in raw material of the invention, kaolin has that electrical insulating property is good, chemical stability is good, caking property
The good and good advantage of fire resistance.
6th, glass fibre is with the addition of in raw material of the invention, glass fibre has good insulating, fire resistance good, heat-resist
With the advantage of high mechanical strength.
7th, nanometer silicon carbide is with the addition of in raw material of the invention, nanometer silicon carbide has high temperature resistant, intensity height, impact resistance
The good and good advantage of fire resistance, is favorably improved the fire resistance and intensity of the electric power protecting pipe of preparation.
8th, it with the addition of magnesia in raw material of the invention, magnesia has the advantages that fire resistance is good and good insulating.
9th, heretofore described fire retardant is organic phosphates fire retardant, and organic phosphates fire retardant can produce structure more when heated
On the one hand stable crosslinking shape solid matter or carburization zone, the formation of carburization zone can prevent polymer from being further pyrolyzed, the opposing party
Face can prevent the thermal decomposition generation of inside from entering gas phase and participate in combustion process.
10th, heretofore described plasticizer is dioctyl phthalate so that the plasticizing effect enhancing of electric power protecting pipe,
Also strengthen its pliability, be more prone to processing, while less expensive.
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 be organo-tin het stabilizer, organo-tin het stabilizer have it is efficient, transparent and
Heat-resisting advantage, is favorably improved the heat endurance of the electric power protecting pipe of preparation.
13rd, heretofore described light stabilizer be titanium dioxide, can cover or reflect the material of ultraviolet, prevent light from
Electric power protecting pipe is penetrated, the purpose of protection electric power protecting pipe is reached.
14th, heretofore described curing agent is MDA, the electric power after MDA solidifies
Protecting pipe, its toughness, heat-resisting quantity and anti-flammability are strengthened.
Embodiment
Embodiment 1
A kind of electric power protecting pipe, includes the raw material of following parts by weight：2 parts of barium titanate powder, 1.5 parts of aluminum nitride powder, chromium carbide
2 parts of powder, 1.5 parts of borax, 2 parts of talcum powder, 1.5 parts of Paris white, 2 parts of silica gel, 4 parts of TDE, 7 parts of stearic acid, shallow lake
9 parts of powder ether, 13 parts of chitin, 19 parts of makrolon, 29 parts of hydroxyethyl cellulose, 34 parts of polyvinyl alcohol, 42.5 parts of polyvinyl chloride,
25 parts of neoprene, 20 parts of CSM, 18 parts of polyamide, 2 parts of kaolin, 3 parts of glass fibre, nano-sized carbon
12 parts of SiClx, 6 parts of magnesia, 0.7 part of fire retardant, 7 parts of plasticizer, 0.8 part of compatilizer, 0.5 part of heat stabilizer, light stabilizer
0.6 part and 0.6 part of curing agent.
Neoprene is with the addition of in raw material, neoprene has the advantages that heat-resist, good flame resistance and high mechanical strength.
CSM is with the addition of in raw material, CSM has the advantages that wear-resisting and resistance to combustion.
It with the addition of polyamide in raw material, polyamide has that nontoxic, light weight, high mechanical strength, wearability be good, resistance
The advantage of the good, good toughness of combustion property and good impact resistance, is favorably improved the toughness and anti-flammability of the electric power protecting pipe of preparation.
It with the addition of kaolin in raw material, kaolin has that electrical insulating property is good, chemical stability is good, caking property is good and fire resistance
Good advantage.
Glass fibre is with the addition of in raw material, glass fibre has good insulating, fire resistance good, heat-resist and mechanical strength
High advantage.
Nanometer silicon carbide is with the addition of in raw material, nanometer silicon carbide has high high temperature resistant, intensity, good impact resistance and fire resistance
Good advantage, is favorably improved the fire resistance and intensity of the electric power protecting pipe of preparation.
It with the addition of magnesia in raw material, magnesia has the advantages that fire resistance is good and good insulating.
Fire retardant is organic phosphates fire retardant, and organic phosphates fire retardant can produce the more stable crosslinking shape of structure and consolidate when heated
On the one hand body material or carburization zone, the formation of carburization zone can prevent polymer from being further pyrolyzed, on the other hand can prevent inside
Thermally decompose generation and enter gas phase participation combustion process.
Plasticizer is dioctyl phthalate so that the plasticizing effect enhancing of electric power protecting pipe, also increases its pliability
By force, it is more prone to processing, while less expensive.
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 organo-tin het stabilizer, and organo-tin het stabilizer has the advantages that efficient, transparent and heat-resisting, helps
In the heat endurance for improving the electric power protecting pipe prepared.
Light stabilizer is titanium dioxide, can cover or reflect the material of ultraviolet, prevents light from penetrating electric power protecting pipe,
Reach the purpose of protection electric power protecting pipe.
Curing agent is MDA, the electric power protecting pipe after MDA solidifies, its toughness, resistance to
High temperatures and anti-flammability is strengthened.
A kind of preparation method of electric power protecting pipe, comprises the following steps：
(1) raw material is weighed according to the parts by weight of electric power protecting pipe raw material；
(2) by barium titanate powder, aluminum nitride powder, carbonization chromium powder, borax, talcum powder, Paris white, kaolin, nano silicon carbide
Silicon and magnesia are put into mixer, are stirred, and produce compound a；
(3) the compound a for obtaining step (2) is put into retort, and the temperature control of retort is at 50 DEG C, then toward anti-
Answer and silica gel is added in tank, along with stirring in adition process, mixing speed is 100r/min, and mixing time is 5min, that is, is obtained
Compound b；
(4) the compound b that obtains step (3), TDE, stearic acid, starch ether, chitin, makrolon,
Hydroxyethyl cellulose, polyvinyl alcohol, polyvinyl chloride, neoprene, CSM, polyamide, glass fibre,
Fire retardant, plasticizer, compatilizer, heat stabilizer, light stabilizer, curing agent are put into centrifuge successively, and rotating speed is 2000r/
Min, centrifugal mixer 3-4min, after being well mixed, are squeezed into molten condition into double screw extruder, draw product through forming machine
After going out, by cutting machine fixed length cutting, pipe-expanding machine is sent into, after the completion of enlarging, electric power protecting pipe is produced.
Embodiment 2
A kind of electric power protecting pipe, includes the raw material of following parts by weight：1 part of barium titanate powder, 1 part of aluminum nitride powder, carbonization chromium powder 1
Part, 1 part of borax, 1 part of talcum powder, 1 part of Paris white, 1 part of silica gel, 3 parts of TDE, 6 parts of stearic acid, 8 parts of starch ether,
12 parts of chitin, 18 parts of makrolon, 28 parts of hydroxyethyl cellulose, 32 parts of polyvinyl alcohol, 40 parts of polyvinyl chloride, neoprene 20
Part, 15 parts of CSM, 14 parts of polyamide, 1 part of kaolin, 2 parts of glass fibre, 6 parts of nanometer silicon carbide, oxygen
Change 4 parts of magnesium, 0.6 part of fire retardant, 5 parts of plasticizer, 0.5 part of compatilizer, 0.3 part of heat stabilizer, 0.2 part of light stabilizer and curing agent
0.3 part.
Neoprene is with the addition of in raw material, neoprene has the advantages that heat-resist, good flame resistance and high mechanical strength.
CSM is with the addition of in raw material, CSM has the advantages that wear-resisting and resistance to combustion.
It with the addition of polyamide in raw material, polyamide has that nontoxic, light weight, high mechanical strength, wearability be good, resistance
The advantage of the good, good toughness of combustion property and good impact resistance, is favorably improved the toughness and anti-flammability of the electric power protecting pipe of preparation.
It with the addition of kaolin in raw material, kaolin has that electrical insulating property is good, chemical stability is good, caking property is good and fire resistance
Good advantage.
Glass fibre is with the addition of in raw material, glass fibre has good insulating, fire resistance good, heat-resist and mechanical strength
High advantage.
Nanometer silicon carbide is with the addition of in raw material, nanometer silicon carbide has high high temperature resistant, intensity, good impact resistance and fire resistance
Good advantage, is favorably improved the fire resistance and intensity of the electric power protecting pipe of preparation.
It with the addition of magnesia in raw material, magnesia has the advantages that fire resistance is good and good insulating.
Fire retardant is organic phosphates fire retardant, and organic phosphates fire retardant can produce the more stable crosslinking shape of structure and consolidate when heated
On the one hand body material or carburization zone, the formation of carburization zone can prevent polymer from being further pyrolyzed, on the other hand can prevent inside
Thermally decompose generation and enter gas phase participation combustion process.
Plasticizer is dioctyl phthalate so that the plasticizing effect enhancing of electric power protecting pipe, also increases its pliability
By force, it is more prone to processing, while less expensive.
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 organo-tin het stabilizer, and organo-tin het stabilizer has the advantages that efficient, transparent and heat-resisting, helps
In the heat endurance for improving the electric power protecting pipe prepared.
Light stabilizer is titanium dioxide, can cover or reflect the material of ultraviolet, prevents light from penetrating electric power protecting pipe,
Reach the purpose of protection electric power protecting pipe.
Curing agent is MDA, the electric power protecting pipe after MDA solidifies, its toughness, resistance to
High temperatures and anti-flammability is strengthened.
A kind of preparation method of electric power protecting pipe, comprises the following steps：
(1) raw material is weighed according to the parts by weight of electric power protecting pipe raw material；
(2) by barium titanate powder, aluminum nitride powder, carbonization chromium powder, borax, talcum powder, Paris white, kaolin, nano silicon carbide
Silicon and magnesia are put into mixer, are stirred, and produce compound a；
(3) the compound a for obtaining step (2) is put into retort, and the temperature control of retort is at 50 DEG C, then toward anti-
Answer and silica gel is added in tank, along with stirring in adition process, mixing speed is 100r/min, and mixing time is 5min, that is, is obtained
Compound b；
(4) the compound b that obtains step (3), TDE, stearic acid, starch ether, chitin, makrolon,
Hydroxyethyl cellulose, polyvinyl alcohol, polyvinyl chloride, neoprene, CSM, polyamide, glass fibre,
Fire retardant, plasticizer, compatilizer, heat stabilizer, light stabilizer, curing agent are put into centrifuge successively, and rotating speed is 2000r/
Min, centrifugal mixer 3-4min, after being well mixed, are squeezed into molten condition into double screw extruder, draw product through forming machine
After going out, by cutting machine fixed length cutting, pipe-expanding machine is sent into, after the completion of enlarging, electric power protecting pipe is produced.
Embodiment 3
A kind of electric power protecting pipe, includes the raw material of following parts by weight：3 parts of barium titanate powder, 2 parts of aluminum nitride powder, carbonization chromium powder 3
Part, 2 parts of borax, 3 parts of talcum powder, 2 parts of Paris white, 3 parts of silica gel, 5 parts of TDE, 8 parts of stearic acid, starch ether 10
Part, 14 parts of chitin, 20 parts of makrolon, 30 parts of hydroxyethyl cellulose, 36 parts of polyvinyl alcohol, 45 parts of polyvinyl chloride, neoprene rubber
30 parts of glue, 25 parts of CSM, 22 parts of polyamide, 3 parts of kaolin, 4 parts of glass fibre, nanometer silicon carbide 18
Part, 8 parts of magnesia, 0.8 part of fire retardant, 9 parts of plasticizer, 1.1 parts of compatilizer, 0.7 part of heat stabilizer, 0.8 part of light stabilizer and
0.9 part of curing agent.
Neoprene is with the addition of in raw material, neoprene has the advantages that heat-resist, good flame resistance and high mechanical strength.
CSM is with the addition of in raw material, CSM has the advantages that wear-resisting and resistance to combustion.
It with the addition of polyamide in raw material, polyamide has that nontoxic, light weight, high mechanical strength, wearability be good, resistance
The advantage of the good, good toughness of combustion property and good impact resistance, is favorably improved the toughness and anti-flammability of the electric power protecting pipe of preparation.
It with the addition of kaolin in raw material, kaolin has that electrical insulating property is good, chemical stability is good, caking property is good and fire resistance
Good advantage.
Glass fibre is with the addition of in raw material, glass fibre has good insulating, fire resistance good, heat-resist and mechanical strength
High advantage.
Nanometer silicon carbide is with the addition of in raw material, nanometer silicon carbide has high high temperature resistant, intensity, good impact resistance and fire resistance
Good advantage, is favorably improved the fire resistance and intensity of the electric power protecting pipe of preparation.
It with the addition of magnesia in raw material, magnesia has the advantages that fire resistance is good and good insulating.
Fire retardant is organic phosphates fire retardant, and organic phosphates fire retardant can produce the more stable crosslinking shape of structure and consolidate when heated
On the one hand body material or carburization zone, the formation of carburization zone can prevent polymer from being further pyrolyzed, on the other hand can prevent inside
Thermally decompose generation and enter gas phase participation combustion process.
Plasticizer is dioctyl phthalate so that the plasticizing effect enhancing of electric power protecting pipe, also increases its pliability
By force, it is more prone to processing, while less expensive.
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 organo-tin het stabilizer, and organo-tin het stabilizer has the advantages that efficient, transparent and heat-resisting, helps
In the heat endurance for improving the electric power protecting pipe prepared.
Light stabilizer is titanium dioxide, can cover or reflect the material of ultraviolet, prevents light from penetrating electric power protecting pipe,
Reach the purpose of protection electric power protecting pipe.
Curing agent is MDA, the electric power protecting pipe after MDA solidifies, its toughness, resistance to
High temperatures and anti-flammability is strengthened.
A kind of preparation method of electric power protecting pipe, comprises the following steps：
(1) raw material is weighed according to the parts by weight of electric power protecting pipe raw material；
(2) by barium titanate powder, aluminum nitride powder, carbonization chromium powder, borax, talcum powder, Paris white, kaolin, nano silicon carbide
Silicon and magnesia are put into mixer, are stirred, and produce compound a；
(3) the compound a for obtaining step (2) is put into retort, and the temperature control of retort is at 50 DEG C, then toward anti-
Answer and silica gel is added in tank, along with stirring in adition process, mixing speed is 100r/min, and mixing time is 5min, that is, is obtained
Compound b；
(4) the compound b that obtains step (3), TDE, stearic acid, starch ether, chitin, makrolon,
Hydroxyethyl cellulose, polyvinyl alcohol, polyvinyl chloride, neoprene, CSM, polyamide, glass fibre,
Fire retardant, plasticizer, compatilizer, heat stabilizer, light stabilizer, curing agent are put into centrifuge successively, and rotating speed is 2000r/
Min, centrifugal mixer 3-4min, after being well mixed, are squeezed into molten condition into double screw extruder, draw product through forming machine
After going out, by cutting machine fixed length cutting, pipe-expanding machine is sent into, after the completion of enlarging, electric power protecting pipe is produced.
Comparative example 1
A kind of electric power protecting pipe, includes the raw material of following parts by weight：2 parts of barium titanate powder, 1.5 parts of aluminum nitride powder, chromium carbide
2 parts of powder, 1.5 parts of borax, 2 parts of talcum powder, 1.5 parts of Paris white, 2 parts of silica gel, 4 parts of TDE, 7 parts of stearic acid, shallow lake
9 parts of powder ether, 13 parts of chitin, 19 parts of makrolon, 29 parts of hydroxyethyl cellulose, 34 parts of polyvinyl alcohol, 42.5 parts of polyvinyl chloride.
A kind of preparation method of electric power protecting pipe, comprises the following steps：
(1) raw material is weighed according to the parts by weight of electric power protecting pipe raw material；
(2) barium titanate powder, aluminum nitride powder, carbonization chromium powder, borax, talcum powder and Paris white are put into mixer,
Stir, produce compound a；
(3) the compound a for obtaining step (2) is put into retort, and the temperature control of retort is at 50 DEG C, then toward anti-
Answer and silica gel is added in tank, along with stirring in adition process, mixing speed is 100r/min, and mixing time is 5min, that is, is obtained
Compound b；
(4) the compound b that obtains step (3), TDE, stearic acid, starch ether, chitin, makrolon,
Hydroxyethyl cellulose, polyvinyl alcohol, polyvinyl chloride are put into centrifuge successively, and rotating speed is 2000r/min, centrifugal mixer 2-
3min, after being well mixed, is squeezed into molten condition, after product is pulled out through forming machine, by cutting machine into double screw extruder
Fixed length cutting, sends into pipe-expanding machine, after the completion of enlarging, produces electric power protecting pipe.
Electric power protecting pipe made from electric power protecting pipe made from embodiment 1, embodiment 2 and embodiment 3 and comparative example 1 is entered
Row performance test, tensile strength, bending strength, bus hardness, thermal conductivity factor and oxygen index (OI) respectively refer to GB/T1458, GB/
T1449, GB/T3854, GB/T5990, GB/T8924, test result are as shown in table 1：
| Index | Embodiment 1 | Embodiment 2 | Embodiment 3 | Comparative example 1 |
| Tensile strength (MPa) | 256 | 250 | 242 | 201 |
| Bending strength (MPa) | 280 | 272 | 268 | 213 |
| Thermal conductivity factor (w/m.k) | 0.89 | 0.86 | 0.82 | 0.67 |
| Hardness Barcol | 54 | 53 | 53 | 48 |
| Oxygen index (OI) (%) | 36 | 35 | 35 | 32 |
From the data of table 1 compare as can be seen that it is an advantage of the invention that：
1st, a kind of electric power protecting pipe and preparation method thereof, from the tensile strength measured as can be seen that embodiment 1-3 stretching
Intensity is above comparative example 1, illustrates that the tensile strength of electric power protecting pipe of the present invention is high.
2nd, a kind of electric power protecting pipe and preparation method thereof, from the bending strength measured as can be seen that embodiment 1-3 bending
Intensity is above comparative example 1, illustrates that the bending strength of electric power protecting pipe of the present invention is high.
3rd, a kind of electric power protecting pipe and preparation method thereof, from the thermal conductivity factor measured as can be seen that embodiment 1-3 heat conduction
Coefficient is above comparative example 1, illustrates that the thermal conductivity of electric power protecting pipe of the present invention is good.
4th, a kind of electric power protecting pipe and preparation method thereof, from the hardness Barcol measured as can be seen that embodiment 1-3 Pasteur
Hardness is above comparative example 1, illustrates that the hardness of electric power protecting pipe of the present invention is high.
5th, a kind of electric power protecting pipe and preparation method thereof, from the oxygen index (OI) measured as can be seen that embodiment 1-3 oxygen index (OI)
Comparative example 1 is above, illustrates the good flame resistance of electric power protecting pipe of the present invention.
6th, a kind of electric power protecting pipe and preparation method thereof, from the data of each index measured as can be seen that embodiment 1 is equal
Better than embodiment 2, embodiment 3 and comparative example 1, illustrate electric power protecting pipe of the present invention composition of raw materials and preparation method it is reasonable
Property.
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 electric power protecting pipe, it is characterised in that include the raw material of following parts by weight：1-3 parts of barium titanate powder, aluminum nitride powder 1-
2 parts, carbonization 1-3 parts of chromium powder, 1-2 parts of borax, 1-3 parts of talcum powder, 1-2 parts of Paris white, 1-3 parts of silica gel, TDE
3-5 parts, 6-8 parts of stearic acid, 8-10 parts of starch ether, 12-14 parts of chitin, 18-20 parts of makrolon, hydroxyethyl cellulose 28-
30 parts, 32-36 parts of polyvinyl alcohol, 40-45 parts of polyvinyl chloride, 20-30 parts of neoprene, 15-25 parts of CSM,
It is 14-22 parts of polyamide, 1-3 parts of kaolin, 2-4 parts of glass fibre, 6-18 parts of nanometer silicon carbide, 4-8 parts of magnesia, fire-retardant
0.6-0.8 parts of agent, 5-9 parts of plasticizer, 0.5-1.1 parts of compatilizer, 0.3-0.7 parts of heat stabilizer, 0.2-0.8 parts of light stabilizer and
0.3-0.9 parts of curing agent.
2. electric power protecting pipe according to claim 1, it is characterised in that include the raw material of following parts by weight：Barium titanate powder 2
Part, 1.5 parts of aluminum nitride powder, 2 parts of chromium powder of carbonization, 1.5 parts of borax, 2 parts of talcum powder, 1.5 parts of Paris white, 2 parts of silica gel, ten bromines two
4 parts of vinylbenzene, 7 parts of stearic acid, 9 parts of starch ether, 13 parts of chitin, 19 parts of makrolon, 29 parts of hydroxyethyl cellulose, polyethylene
34 parts of alcohol, 42.5 parts of polyvinyl chloride, 25 parts of neoprene, 20 parts of CSM, 18 parts of polyamide, kaolin
2 parts, 3 parts of glass fibre, 12 parts of nanometer silicon carbide, 6 parts of magnesia, 0.7 part of fire retardant, 7 parts of plasticizer, 0.8 part of compatilizer, heat
0.6 part of 0.5 part of stabilizer, 0.6 part of light stabilizer and curing agent.
3. electric power protecting pipe according to claim 1, it is characterised in that：The fire retardant is organic phosphates fire retardant.
4. electric power protecting pipe according to claim 1, it is characterised in that：The plasticizer is dioctyl phthalate.
5. electric power protecting pipe according to claim 1, it is characterised in that：The compatilizer is that maleic anhydride grafting is compatible
Agent.
6. electric power protecting pipe according to claim 1, it is characterised in that：The heat stabilizer is organo-tin het stabilizer.
7. electric power protecting pipe according to claim 1, it is characterised in that：The light stabilizer is titanium dioxide.
8. electric power protecting pipe according to claim 1, it is characterised in that：The curing agent is MDA.
9. a kind of preparation method of electric power protecting pipe as described in claim 1-8 any one, it is characterised in that including with
Lower step：
(1) raw material is weighed according to the parts by weight of electric power protecting pipe raw material；
(2) by barium titanate powder, aluminum nitride powder, carbonization chromium powder, borax, talcum powder, Paris white, kaolin, nanometer silicon carbide and
Magnesia is put into mixer, is stirred, and produces compound a；
(3) the compound a for obtaining step (2) is put into retort, and the temperature control of retort is at 50 DEG C, then toward retort
Along with stirring in middle addition silica gel, adition process, mixing speed is 100r/min, and mixing time is 5min, that is, is mixed
Expect b；
(4) the compound b that obtains step (3), TDE, stearic acid, starch ether, chitin, makrolon, hydroxyl second
It is base cellulose, polyvinyl alcohol, polyvinyl chloride, neoprene, CSM, polyamide, glass fibre, fire-retardant
Agent, plasticizer, compatilizer, heat stabilizer, light stabilizer, curing agent are put into centrifuge successively, and rotating speed is 2000r/min,
Centrifugal mixer 3-4min, after being well mixed, is squeezed into molten condition into double screw extruder, pulls out product through forming machine
Afterwards, by cutting machine fixed length cutting, pipe-expanding machine is sent into, after the completion of enlarging, electric power protecting pipe is produced.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710537188.7A CN107189273A (en) | 2017-07-04 | 2017-07-04 | A kind of electric power protecting pipe and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710537188.7A CN107189273A (en) | 2017-07-04 | 2017-07-04 | A kind of electric power protecting pipe and preparation method thereof |
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ID=59881452
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| CN201710537188.7A Withdrawn CN107189273A (en) | 2017-07-04 | 2017-07-04 | A kind of electric power protecting pipe and preparation method thereof |
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| CN107674331A (en) * | 2017-10-20 | 2018-02-09 | 安徽嘉美包装有限公司 | A kind of high rigidity polyvinyl piping materials |
| CN108912646A (en) * | 2018-07-26 | 2018-11-30 | 合肥欧仕嘉机电设备有限公司 | A kind of fire-retardant electric power protection tubing and preparation method thereof |
| CN109776995A (en) * | 2018-11-30 | 2019-05-21 | 李敏 | A kind of electric power sheath tube material of high thermal conductivity coefficient and preparation method thereof |
| CN110408146A (en) * | 2019-08-01 | 2019-11-05 | 陈小强 | A kind of preparation method of high-strength anti-flaming architectural electricity threading tube material |
| WO2022234013A1 (en) * | 2021-05-07 | 2022-11-10 | Byk-Chemie Gmbh | Heat stabilized composition |
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| CN103724879A (en) * | 2013-12-31 | 2014-04-16 | 国家电网公司 | Electric protective casing and preparation method thereof |
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| CN103524946A (en) * | 2013-10-17 | 2014-01-22 | 宁波一舟塑胶有限公司 | High-temperature-resistant thermoplastic polyvinyl chloride cable material and preparation method thereof |
| CN103724879A (en) * | 2013-12-31 | 2014-04-16 | 国家电网公司 | Electric protective casing and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107674331A (en) * | 2017-10-20 | 2018-02-09 | 安徽嘉美包装有限公司 | A kind of high rigidity polyvinyl piping materials |
| CN108912646A (en) * | 2018-07-26 | 2018-11-30 | 合肥欧仕嘉机电设备有限公司 | A kind of fire-retardant electric power protection tubing and preparation method thereof |
| CN109776995A (en) * | 2018-11-30 | 2019-05-21 | 李敏 | A kind of electric power sheath tube material of high thermal conductivity coefficient and preparation method thereof |
| CN110408146A (en) * | 2019-08-01 | 2019-11-05 | 陈小强 | A kind of preparation method of high-strength anti-flaming architectural electricity threading tube material |
| WO2022234013A1 (en) * | 2021-05-07 | 2022-11-10 | Byk-Chemie Gmbh | Heat stabilized composition |
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