CN107033609A - A kind of insulating barrier for power transmission and transformation line - Google Patents
A kind of insulating barrier for power transmission and transformation line Download PDFInfo
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- CN107033609A CN107033609A CN201710354485.8A CN201710354485A CN107033609A CN 107033609 A CN107033609 A CN 107033609A CN 201710354485 A CN201710354485 A CN 201710354485A CN 107033609 A CN107033609 A CN 107033609A
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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
- C08L93/00—Compositions of natural resins; Compositions of derivatives thereof
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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
- C08L45/00—Compositions of homopolymers or copolymers of compounds having no unsaturated aliphatic radicals in side chain, and having one or more carbon-to-carbon double bonds in a carbocyclic or in a heterocyclic ring system; Compositions of derivatives of such polymers
- C08L45/02—Compositions of homopolymers or copolymers of compounds having no unsaturated aliphatic radicals in side chain, and having one or more carbon-to-carbon double bonds in a carbocyclic or in a heterocyclic ring system; Compositions of derivatives of such polymers of coumarone-indene polymers
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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
- C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
- C08L67/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
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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
- C08K3/02—Elements
- C08K2003/026—Phosphorus
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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
- 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
- C08L2203/202—Applications use in electrical or conductive gadgets use in electrical wires or wirecoating
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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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 invention discloses a kind of insulating barrier for power transmission and transformation line, including following raw material by weight：20 40 parts of resin；20 25 parts of mica；8 20 parts of poly butylene succinate；5 10 parts of isocyanates；5 10 parts of polyvinylidene chloride；35 parts of gas-produced black；5 10 parts of glass fibre, 5 10 parts of butadiene-styrene rubber；36 parts of polyethylene terephthalate；12 parts of barium stearate；5 15 parts of silicon rubber；5 10 parts of fire retardant；13 parts of diethylene glycol (DEG)；5 10 parts of oligomer ester.The present invention satisfactory mechanical property, it is resistance to puncture, corrosion resistance it is strong.
Description
Technical field
The present invention relates to power transmission and transformation line protection technique field, and in particular to a kind of insulating barrier for power transmission and transformation line.
Background technology
Power transmission and transformation are power plant to grid power transmission, and it is that low-voltage is raised into (such as 500,000 volts) to carry out away from transmission of electricity, same
Power voltage gets over that high current is smaller, and the small loss on the line of electric current is small.Typically 35kV~1000kV is referred to as in power industry
Power transmission and transformation, the power cable of power transmission and transformation is made up of sub-thread or stranded conductor and insulating barrier, for connecting circuit, electrical equipment etc..Tradition
Cable it is improper due to material adapted, breakdown strength is not very high, during actual use, there is air excessively electric
Pressure, i.e. thunderbolt or induced overvoltage and mine transmitting device, or switching overvoltage is system resonance and small current neutral grounding system
Voltage caused by single-phase earthing is raised so that cable punctures, and short circuit is formed, so as to produce very big electric current, in the short time just
Circuit and equipment can be burnt out, consequence is more serious.High aerial power cable insulation layer is typically exposed in air, in air
Dusty gas or the decay resistance such as acid rain do not reach use requirement.
The content of the invention
The purpose of the present invention be for problem of the prior art there is provided a kind of satisfactory mechanical property, it is resistance to puncture, it is corrosion resistant
Power transmission and transformation line insulating barrier.
In order to achieve the above object, the present invention is achieved through the following technical solutions：
A kind of insulating barrier for power transmission and transformation line, including following raw material by weight：
20-40 parts of resin；
20-25 parts of mica；
8-20 parts of poly butylene succinate；
5-10 parts of isocyanates；
5-10 parts of polyvinylidene chloride；
3-5 parts of gas-produced black；
5-10 parts of glass fibre；
5-10 parts of butadiene-styrene rubber；
3-6 parts of polyethylene terephthalate；
1-2 parts of barium stearate；
5-15 parts of silicon rubber；
5-10 parts of fire retardant；
1-3 parts of diethylene glycol (DEG)；
5-10 parts of oligomer ester.
Preferably, the resin is the mixture of natural resin and coumarone indene resin, and the natural resin and coumarone
The mass ratio of resin is 1：1.
Preferably, the fire retardant is the mixture of red phosphorus, magnesium hydroxide and phenol-formaldehyde resin modified, the red phosphorus, hydrogen-oxygen
The mass ratio for changing magnesium and phenol-formaldehyde resin modified is 15：4：12.
Preferably, the preparation method of the phenol-formaldehyde resin modified is：
(1) concentration is weighed for 95% phenol, 38% formaldehyde and 24% sodium hydroxide solution, and the mol ratio of three is 1:
2∶1；
(2) sodium hydroxide solution is mixed with phenol and 25min is incubated in the environment of 30-40 DEG C, then add formaldehyde,
It is warming up to 70-80 DEG C of insulation 30-35min；
(3) to the bisphenol A type epoxy resin for obtaining adding in the solution that step (2) is obtained equivalent to phenol weight 1%,
0.2% dimethyl silicone polymer, is 95 DEG C of backflow 45-55min in temperature, cooling obtains phenol-formaldehyde resin modified.
Preferably, the silicon rubber is methyl vinyl silicone rubber.
Preferably, the insulating barrier also includes following raw material by weight：
0.1-0.2 parts of accelerator；
0.1-0.2 parts of plasticiser.
Preferably, the accelerator is the mixed of 2- benzothiazolyl mercaptans and N cyclohexyl 2 benzothiazole sulfenamide
Compound, the mass ratio of the 2- benzothiazolyl mercaptans and N cyclohexyl 2 benzothiazole sulfenamide is 2：1.
Preferably, the plasticiser is the mixture of o-phthalic acid dibutyl ester and chlorinated paraffin, the phthalic acid
The mass ratio of dibutyl ester and chlorinated paraffin is 4：1, wherein the chlorine in chlorinated paraffin content is 40%-50%.
The present invention compared with prior art, with following beneficial effect：
Natural resin is used in mixed way with coumarone indene resin, insulating barrier water swelling can be prevented, strengthens anti-sleet performance, together
When can reinforced insulation layer corrosion resistance；Polyethylene terephthalate is added, the resistance to sparking of insulating barrier can be improved；Add cloud
Mother, makes insulating barrier have good insulating properties, heat-resisting quantity, glossy, thermal insulation, elasticity and toughness, and physical and chemical performance is equal
It is stable；Gas-produced black refines obtained carbon black in coal mine gas, to be painted to cable insulation, and improves cable insulation
Toughness；Methyl vinyl silicone rubber has high- and low-temperature resistance, can the long-term work at -50-250 DEG C, electrical insulating property, resistance to electricity
Arc, it is corona resistant excellent, while having ageing-resistant, ozone resistance and surface non-stick.Phenol-formaldehyde resin modified and red phosphorus, magnesium hydroxide
It is used in combination, improves the flame resistance of insulating barrier, plays the purpose for preventing insulating barrier from being ignited and suppress flame transmission；2- mercaptan
Base benzothiazole easily disperses in rubber, does not pollute, and has to rubber synthesis and rapidly promotes effect, 2- benzothiazolyl mercaptans and
N cyclohexyl 2 benzothiazole sulfenamide is used in mixed way, and can improve the physical and mechanical properties of insulating barrier；Phthalic acid two is pungent
Fat can improve the pliability of insulating barrier, and chlorinated paraffin is used as extender plasticizer, and chlorine in chlorinated paraffin content is 40%-
50%, the compatibility of each component in the anti-flammability and insulating barrier of insulating barrier can be improved.As can be seen here, mechanical performance of the invention is good
It is good, it is resistance to puncture, corrosion resistance it is strong.
Embodiment
With reference to embodiment, the invention will be further described.
Embodiment 1
A kind of insulating barrier for power transmission and transformation line, including following raw material by weight：
10 grams of natural resin；
10 grams of coumarone indene resin；
20 grams of mica；
8 grams of poly butylene succinate；
5 grams of isocyanates；
5 grams of polyvinylidene chloride；
3 grams of gas-produced black；
5 grams of glass fibre；
5 grams of butadiene-styrene rubber；
3 grams of polyethylene terephthalate；
1 gram of barium stearate；
5 grams of methyl vinyl silicone rubber；
5 grams of fire retardant；
1 gram of diethylene glycol (DEG)；
5 grams of oligomer ester；
0.1 gram of accelerator；
0.067 gram of 2- benzothiazolyl mercaptans；
0.033 gram of N cyclohexyl 2 benzothiazole sulfenamide；
0.08 gram of o-phthalic acid dibutyl ester；
0.02 gram of chlorinated paraffin.
The content of above-mentioned chlorine in chlorinated paraffin is 40%, and fire retardant is the mixed of red phosphorus, magnesium hydroxide and phenol-formaldehyde resin modified
Compound, the mass ratio of the red phosphorus, magnesium hydroxide and phenol-formaldehyde resin modified is 15：4：12.Wherein, the preparation of phenol-formaldehyde resin modified
Method is：
(1) concentration is weighed for 95% phenol, 38% formaldehyde and 24% sodium hydroxide solution, and the mol ratio of three is 1:
2∶1；
(2) sodium hydroxide solution is mixed with phenol and 25min is incubated in the environment of 30-40 DEG C, then add formaldehyde,
It is warming up to 70-80 DEG C of insulation 30-35min；
(3) to the bisphenol A type epoxy resin for obtaining adding in the solution that step (2) is obtained equivalent to phenol weight 1%,
0.2% dimethyl silicone polymer, is 95 DEG C of backflow 45-55min in temperature, cooling obtains phenol-formaldehyde resin modified.
Natural resin is used in mixed way with coumarone indene resin, insulating barrier water swelling can be prevented, strengthens anti-sleet performance, together
When can reinforced insulation layer corrosion resistance；Mica is added, makes insulating barrier that there is good insulating properties, heat-resisting quantity, glossy, heat-insulated
Property, elasticity and toughness, physical and chemical performance stablizes；Gas-produced black refines obtained carbon black in coal mine gas, to electricity
Cable insulating barrier is painted, and improves the toughness of cable insulation；Methyl vinyl silicone rubber has high- and low-temperature resistance, can be in -50-
Long-term work at 250 DEG C, electrical insulating property, resistance to electric arc is corona resistant excellent, while having ageing-resistant, ozone resistance and surface not to glue
Property.Phenol-formaldehyde resin modified is used in combination with red phosphorus, magnesium hydroxide, improves the flame resistance of insulating barrier, plays prevention insulating barrier and is drawn
Combustion and the purpose for suppressing flame transmission；2- benzothiazolyl mercaptans easily disperse in rubber, do not pollute, and have to rubber synthesis
Effect is rapidly promoted, 2- benzothiazolyl mercaptans are used in mixed way with N cyclohexyl 2 benzothiazole sulfenamide, insulation can be improved
The physical and mechanical properties of layer；O-phthalic acid dibutyl ester can improve the pliability of insulating barrier, and chlorinated paraffin is used as extender plasticizer
Use, chlorine in chlorinated paraffin content is 40%-50%, the compatible of each component in the anti-flammability and insulating barrier of insulating barrier can be improved
Property.
Embodiment 2
A kind of insulating barrier for power transmission and transformation line, including following raw material by weight：
20 grams of natural resin；
20 grams of coumarone indene resin；
25 grams of mica；
20 grams of poly butylene succinate；
10 grams of isocyanates；
10 grams of polyvinylidene chloride；
5 grams of gas-produced black；
10 grams of glass fibre；
10 grams of butadiene-styrene rubber；
6 grams of polyethylene terephthalate；
2 grams of barium stearate；
15 grams of methyl vinyl silicone rubber；
10 grams of fire retardant；
3 grams of diethylene glycol (DEG)；
10 grams of oligomer ester；
0.132 gram of 2- benzothiazolyl mercaptans；
0.068 gram of N cyclohexyl 2 benzothiazole sulfenamide；
0.016 gram of phthalic acid；
0.004 gram of dibutyl ester and chlorinated paraffin.
Above-mentioned chlorine in chlorinated paraffin content is 50%, and fire retardant is the mixing of red phosphorus, magnesium hydroxide and phenol-formaldehyde resin modified
Thing, the mass ratio of the red phosphorus, magnesium hydroxide and phenol-formaldehyde resin modified is 15：4：12.Wherein, the preparation side of phenol-formaldehyde resin modified
Method is：
(1) concentration is weighed for 95% phenol, 38% formaldehyde and 24% sodium hydroxide solution, and the mol ratio of three is 1:
2∶1；
(2) sodium hydroxide solution is mixed with phenol and is incubated 25min in the environment of 40 DEG C, then add formaldehyde, risen
Warm to 80 DEG C insulation 30min；
(3) to the bisphenol A type epoxy resin for obtaining adding in the solution that step (2) is obtained equivalent to phenol weight 1%,
0.2% dimethyl silicone polymer, is 95 DEG C of backflow 45-55min in temperature, cooling obtains phenol-formaldehyde resin modified.
Embodiment 3
A kind of insulating barrier for power transmission and transformation line, including following raw material by weight：
15 grams of natural resin；
15 grams of coumarone indene resin；
23 grams of mica；
17 grams of poly butylene succinate；
8 grams of isocyanates；
8 grams of polyvinylidene chloride；
4 grams of gas-produced black；
8 grams of glass fibre；
8 grams of butadiene-styrene rubber；
5 grams of polyethylene terephthalate；
1.5 grams of barium stearate；
10 grams of methyl vinyl silicone rubber；
8 grams of fire retardant；
2 grams of diethylene glycol (DEG)；
8 grams of oligomer ester；
0.01 gram of 2- benzothiazolyl mercaptans；
0.005 gram of N cyclohexyl 2 benzothiazole sulfenamide；
0.012 gram of phthalic acid；
0.003 gram of dibutyl ester and chlorinated paraffin.
Above-mentioned chlorine in chlorinated paraffin content is 45%, and fire retardant is the mixing of red phosphorus, magnesium hydroxide and phenol-formaldehyde resin modified
Thing, the mass ratio of the red phosphorus, magnesium hydroxide and phenol-formaldehyde resin modified is 15：4：12.Wherein, the preparation side of phenol-formaldehyde resin modified
Method is：
(1) concentration is weighed for 95% phenol, 38% formaldehyde and 24% sodium hydroxide solution, and the mol ratio of three is 1:
2∶1；
(2) sodium hydroxide solution is mixed with phenol and is incubated 25min in the environment of 35 DEG C, then add formaldehyde, risen
Warm to 75 DEG C insulation 32min；
(3) to the bisphenol A type epoxy resin for obtaining adding in the solution that step (2) is obtained equivalent to phenol weight 1%,
0.2% dimethyl silicone polymer, is 95 DEG C of backflow 50min in temperature, cooling obtains phenol-formaldehyde resin modified.
Embodiment 4
The insulating barrier that the present invention is provided is by test, and its major parameter is as shown in table 1 below：
Table 1
Above-mentioned parameter ensure that it has excellent insulating properties and mechanical performance, the cable of the present invention is transmitted
500~1000KV electric power.
The insulating barrier that the present invention is provided does corrosion resistance experiment, and the specification of the insulating barrier is 80mm × 100mm × 4mm,
The insulating barrier is laterally cut, spray test is carried out, agents useful for same is the sodium chloride solution that concentration is 50%, test period 400
Hour, as a result as shown in table 2：
Table 2
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 carries out equivalent substitution to which part technical characteristic.All essences in the present invention
God is with principle, and any modification, equivalent substitution and improvements made etc. should be included in the scope of the protection.
Claims (8)
1. a kind of insulating barrier for power transmission and transformation line, it is characterised in that including following raw material by weight：
20-40 parts of resin；
20-25 parts of mica；
8-20 parts of poly butylene succinate；
5-10 parts of isocyanates；
5-10 parts of polyvinylidene chloride；
3-5 parts of gas-produced black；
5-10 parts of glass fibre；
5-10 parts of butadiene-styrene rubber；
3-6 parts of polyethylene terephthalate；
1-2 parts of barium stearate；
5-15 parts of silicon rubber；
5-10 parts of fire retardant；
1-3 parts of diethylene glycol (DEG)；
5-10 parts of oligomer ester.
2. a kind of insulating barrier for power transmission and transformation line according to claim 1, it is characterised in that the resin is natural
The mixture of resin and coumarone indene resin, and the mass ratio of the natural resin and coumarone indene resin is 1：1.
3. a kind of insulating barrier for power transmission and transformation line according to claim 1, it is characterised in that the fire retardant is red
The mixture of phosphorus, magnesium hydroxide and phenol-formaldehyde resin modified, the mass ratio of the red phosphorus, magnesium hydroxide and phenol-formaldehyde resin modified is
15：4：12.
4. a kind of insulating barrier for power transmission and transformation line according to claim 3, it is characterised in that the modified phenolic resin
The preparation method of fat is：
（1）Concentration is weighed for 95% phenol, 38% formaldehyde and 24% sodium hydroxide solution, the mol ratio of three is 1: 2: 1；
（2）Sodium hydroxide solution is mixed with phenol and 25min is incubated in the environment of 30-40 DEG C, formaldehyde is then added, heated up
To 70-80 DEG C of insulation 30-35min；
（3）To obtaining step（2）Bisphenol A type epoxy resin equivalent to phenol weight 1%, 0.2% are added in obtained solution
Dimethyl silicone polymer, temperature be 95 DEG C backflow 45-55min, cooling obtain phenol-formaldehyde resin modified.
5. a kind of insulating barrier for power transmission and transformation line according to claim 1, it is characterised in that the silicon rubber is first
Base vinylsiloxane rubber.
6. a kind of insulating barrier for power transmission and transformation line according to claim 1, it is characterised in that the insulating barrier is also wrapped
Include following raw material by weight：
0.1-0.2 parts of accelerator；
0.1-0.2 parts of plasticiser.
7. a kind of insulating barrier for power transmission and transformation line according to claim 6, it is characterised in that the accelerator is 2-
The mixture of benzothiazolyl mercaptan and N cyclohexyl 2 benzothiazole sulfenamide, the 2- benzothiazolyl mercaptans and N-
The mass ratio of cyclohexyl -2-[4-morpholinodithio sulfenamide is 2：1.
8. a kind of insulating barrier for power transmission and transformation line according to claim 6, it is characterised in that the plasticiser is neighbour
The mixture of phthalic acid dibutyl ester and chlorinated paraffin, the mass ratio of the o-phthalic acid dibutyl ester and chlorinated paraffin is 4：1,
Wherein described chlorine in chlorinated paraffin content is 40%-50%.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710354485.8A CN107033609A (en) | 2017-05-19 | 2017-05-19 | A kind of insulating barrier for power transmission and transformation line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710354485.8A CN107033609A (en) | 2017-05-19 | 2017-05-19 | A kind of insulating barrier for power transmission and transformation line |
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Family
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108623866A (en) * | 2018-05-29 | 2018-10-09 | 合肥智慧龙图腾知识产权股份有限公司 | A kind of corrosion resistant composite material and preparation method |
| CN110143026A (en) * | 2019-05-14 | 2019-08-20 | 如皋天安电气科技有限公司 | A kind of silicon rubber composite material |
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| CN103483755A (en) * | 2013-09-08 | 2014-01-01 | 安徽万博电缆材料有限公司 | Material formula for improving mechanical strength of insulating layer of cable |
| CN103613879A (en) * | 2013-10-17 | 2014-03-05 | 昆山市奋发绝缘材料有限公司 | Electric wire electric cable |
| CN104151735A (en) * | 2014-07-18 | 2014-11-19 | 国家电网公司 | High-strength flame-retardant cable and application thereof |
| CN106046622A (en) * | 2016-08-03 | 2016-10-26 | 苏州市相城区正旭电线电缆有限公司 | Material for manufacturing cable insulation layer, and preparation method of material |
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2017
- 2017-05-19 CN CN201710354485.8A patent/CN107033609A/en not_active Withdrawn
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101302343A (en) * | 2008-07-10 | 2008-11-12 | 天津市凯华绝缘材料有限公司 | Flame-retardant organosilicon powder encapsulating material for electronic component |
| CN103483755A (en) * | 2013-09-08 | 2014-01-01 | 安徽万博电缆材料有限公司 | Material formula for improving mechanical strength of insulating layer of cable |
| CN103613879A (en) * | 2013-10-17 | 2014-03-05 | 昆山市奋发绝缘材料有限公司 | Electric wire electric cable |
| CN104151735A (en) * | 2014-07-18 | 2014-11-19 | 国家电网公司 | High-strength flame-retardant cable and application thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108623866A (en) * | 2018-05-29 | 2018-10-09 | 合肥智慧龙图腾知识产权股份有限公司 | A kind of corrosion resistant composite material and preparation method |
| CN110143026A (en) * | 2019-05-14 | 2019-08-20 | 如皋天安电气科技有限公司 | A kind of silicon rubber composite material |
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Application publication date: 20170811 |
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