CN108084664A - A kind of high moisture cable jacket material and preparation method thereof - Google Patents
A kind of high moisture cable jacket material and preparation method thereof Download PDFInfo
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- CN108084664A CN108084664A CN201810122114.1A CN201810122114A CN108084664A CN 108084664 A CN108084664 A CN 108084664A CN 201810122114 A CN201810122114 A CN 201810122114A CN 108084664 A CN108084664 A CN 108084664A
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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
- C08L63/00—Compositions of epoxy resins; Compositions of derivatives of epoxy resins
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
- H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
- H01B3/40—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes epoxy resins
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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
- C08K3/28—Nitrogen-containing compounds
- C08K2003/282—Binary compounds of nitrogen with 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
- C08L2201/08—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
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Organic Insulating Materials (AREA)
Abstract
The invention discloses a kind of high moisture cable jacket material and preparation method thereof, this kind of protective cover material includes following raw material：Modified epoxy, unsaturated polyester (UP), polyethylene glycol dimethacrylate, methyl pentachlorostearate, decabromodiphenylethane, trimellitic anhydride, benzoyl peroxide, isopropanol, N hydroxymethyl acrylamide, micron silica, micron order aluminium nitride, hindered amine as light stabilizer, crosslinking agent, vulcanizing agent, waterproofing agent and antioxidant.Its preparation method be by the mixing to raw material and vulcanization and etc. it is obtained.The compactness that the cable jacket material of the present invention realizes structure is improved, vertical net formula molecular structure is reached, and then improve water-fast moisture resistance, toughness and the resistance to ag(e)ing of finished sheath material, ensure that protective cover material has longer service life under the adverse circumstances such as outdoor high temperature, rainy water, ensure that cable and wire in protective cover material transmits electric power stability, reliability and the security of signal, has a vast market prospect.
Description
Technical field
The present invention relates to cable cover(ing) technical fields, and in particular to a kind of high moisture cable jacket material and its preparation side
Method.
Background technology
Cable cover(ing) is the indispensable intermediate structure part of cable, plays a part of protecting cable, ensures the logical of cable
Electric safety allows copper alloy or the media such as aluminum-alloy wire and water, air to completely cut off, and avoids the occurrence of electric leakage and damage conductive filament core etc. no
Sharp phenomenon.Existing market sale cable jacket material, due to raw material selection and production technology on it is unreasonable, cause production plus
The cable jacket material that work comes out is in every respect in performance there are many deficiencies, especially water-fast moisture resistance be also not achieved it is actual should
With requiring, and cable is after water inlet, under the action of electric field, it may occur that water-treeing phenomenon finally results in cable breakdown, seriously
The conveying of electric power, signal is affected, endangers the safety of people's lives and properties, therefore, is highly desirable to develop a kind of high anti-
Tide cable jacket material.
The content of the invention
For problems of the prior art, the present invention provides a kind of high moisture cable jacket material and its preparation sides
Method, this kind of cable jacket material have excellent water-fast moisture resistance, toughness and resistance to ag(e)ing, and service life is long, has ensured sheath
Cable and wire transmits electric power stability, reliability and the security of signal in material, has a vast market prospect.
In order to achieve the above object, the present invention is achieved through the following technical solutions：
A kind of high moisture cable jacket material, including following raw material by weight：40-60 parts of modified epoxy,
15-25 parts of unsaturated polyester (UP), 4-8 parts of polyethylene glycol dimethacrylate, 4-8 parts of methyl pentachlorostearate, decabrominated dipheny second
3-5 parts of alkane, 1-3 parts of trimellitic anhydride, 2-4 parts of benzoyl peroxide, 6-8 parts of isopropanol, 1-2 parts of N hydroxymethyl acrylamide,
2-4 parts of micron silica, 1-3 parts of micron order aluminium nitride, 1-2 parts of hindered amine as light stabilizer, 1-5 parts of crosslinking agent, vulcanizing agent
1-3 parts of 1-3 parts, 1-5 parts of waterproofing agent and antioxidant；
Above-mentioned modified epoxy is through the following steps that prepare：Appropriate epoxy resin powder is taken, is added to anhydrous second
Dissolving stirring 40-50min, adds the ten of the micron silicon diatomaceous earth for being equivalent to epoxy resin powder quality 4-8% and 1-3% in alcohol
Sodium dialkyl sulfate mixes, and is placed in supersonic generator, is ultrasonically treated 1-2h and forms mixed solution, is subsequently placed in 85-95 DEG C
Drying and processing 55-65min in baking oven, the precuring 25-35min in the case where temperature is 105-115 DEG C, is finally placed in hot press afterwards
Cure 90-110min, solidification temperature is 120-130 DEG C, solidifying pressure 1.2-1.6MPa, and curing terminates to obtain the final product.
Further, above-mentioned cable jacket material includes following raw material by weight：50 parts of modified epoxy, no
20 parts of saturated polyester, 6 parts of polyethylene glycol dimethacrylate, 6 parts of methyl pentachlorostearate, 4 parts of decabromodiphenylethane, inclined benzene
Three 2 parts of acid anhydrides, 3 parts of benzoyl peroxide, 7 parts of isopropanol, 1.5 parts of N hydroxymethyl acrylamide, 3 parts of micron silica,
2 parts of 2 parts of micron order aluminium nitride, 1.5 parts of hindered amine as light stabilizer, 3 parts of crosslinking agent, 2 parts of vulcanizing agent, 3 parts of waterproofing agent and antioxidant.
Further, above-mentioned modified epoxy through the following steps that prepare：Appropriate epoxy resin powder is taken, is added in
Into absolute ethyl alcohol, dissolving stirring 45min, adds the micron silicon diatomaceous earth that is equivalent to epoxy resin powder quality 6% and 2%
Lauryl sodium sulfate mixes, and is placed in supersonic generator, is ultrasonically treated 1.5h and forms mixed solution, is subsequently placed in 90 DEG C of bakings
Drying and processing 60min in case, the precuring 30min in the case where temperature is 110 DEG C, is finally placed in hot press and cures 100min afterwards,
Solidification temperature is 125 DEG C, solidifying pressure 1.4MPa, and curing terminates to obtain the final product.
Preferably, above-mentioned crosslinking agent is selected from least one of acid anhydrides of polyalcohol or polyacid.
Preferably, above-mentioned polyalcohol is selected from pentaerythrite, bipentaerythrite, tripentaerythritol, trimethylolpropane, three
At least one of hydroxymethyl ethane and glycerine；The acid anhydrides of polyacid is pyromellitic acid anhydride；
Preferably, above-mentioned waterproofing agent is in silane waterproofing agent, inorganic aluminate water-proof agent or higher fatty acids waterproofing agent
It is a kind of.
Preferably, above-mentioned antioxidant is one kind in antioxidant TNP, antioxidant 1010 or hindered phenol.
Preferably, above-mentioned vulcanizing agent for cumyl peroxide, 1,1- bis(t-butylperoxy)s -3,3,5- trimethyls
One kind in hexamethylene or double (tert-butylperoxyiso-propyl) benzene.
A kind of preparation method of above-mentioned high moisture cable jacket material, follows the steps below：
(1) raw material is weighed by the weight；
(2) by modified epoxy, unsaturated polyester (UP), decabromodiphenylethane, isopropanol, N hydroxymethyl acrylamide, micro-
Meter level silica and micron order aluminium nitride are delivered in kneading machine and are kneaded, and melting temperature is 75-85 DEG C, and mixing time is
45-55min；It is again that polyethylene glycol dimethacrylate, methyl pentachlorostearate, trimellitic anhydride and benzoyl peroxide is defeated
It send and is kneaded into kneading machine, melting temperature is 80-90 DEG C, mixing time 40-50min；Afterwards by hindered amine light stabilizer
Agent, crosslinking agent, waterproofing agent and antioxidant are delivered in kneading machine again to be kneaded, and melting temperature is 70-80 DEG C, mixing time
For 30-40min；
(3) material being kneaded through step (2) is delivered in vulcanizer, then adding in vulcanizing agent progress vulcanizing treatment is
It can.
Preferably, the operating temperature of above-mentioned vulcanizer is 180-200 DEG C, sulfide stress 10-20MPa, vulcanization time
For 10-20min.
The present invention has following advantageous effect：The cable jacket material of the present invention is by changing raw materials for production and its technique
Into optimization, modified epoxy is especially with the addition of, cooperates with the addition and its effect of auxiliary material and auxiliary agent so that protective cover material structure
Realize compactness improvement, reached vertical net formula molecular structure, so improve the water-fast moisture resistance of finished sheath material, toughness with
And resistance to ag(e)ing, ensure that protective cover material has longer service life under the adverse circumstances such as outdoor high temperature, rainy water, ensured shield
Cable and wire transmits electric power stability, reliability and the security of signal in jacking, has a vast market prospect；
(1) cable jacket material of the invention is prepared simple, and raw material sources are extensive, convenient material drawing, of low cost, production process
Middle zero-emission, it is pollution-free, do not generate any harmful, penetrating odor, environmentally protective, compatibility performance is good between raw material, plasticity
By force, density is small, light weight, suitable for scale of mass production；
(2) cable jacket material of the invention uses micron silica and micron order aluminium nitride as modified epoxy
Filler, the multistage compounding procedure of cooperated technique for producing, the heat-resisting quantity, thermal conductivity and mechanics for improving finished sheath material be strong
Degree, has further widened the application scenario and field of protective cover material, has extended its service life.
Specific embodiment
The specific embodiment of the present invention is further described with reference to embodiment, following embodiment is only used for more
Technical scheme is clearly demonstrated, and is not intended to limit the protection scope of the present invention and limits the scope of the invention.
In the present invention it is raw materials used choose it is as shown in table 1 below：
Table 1
Embodiment 1
A kind of high moisture cable jacket material, weighs the raw material such as the following table 2：
Table 2
Above-mentioned modified epoxy is through the following steps that prepare：40kg epoxy resin powders are taken, are added to anhydrous second
Dissolving stirring 40min, adds the micron silicon diatomaceous earth and 1% dodecyl for being equivalent to epoxy resin powder quality 4% in alcohol
Sodium sulphate mixes, and is placed in supersonic generator, is ultrasonically treated 1h and forms mixed solution, is subsequently placed in 85 DEG C of baking ovens at drying
55min is managed, the precuring 25min in the case where temperature is 105 DEG C, is finally placed in hot press and cures 90min, solidification temperature is afterwards
120 DEG C, solidifying pressure 1.2MPa, curing terminates to obtain the final product.
A kind of preparation method of above-mentioned high moisture cable jacket material, follows the steps below：
(1) first by modified epoxy, unsaturated polyester (UP), decabromodiphenylethane, isopropanol, N hydroxymethyl acrylamide,
Micron silica and micron order aluminium nitride are delivered in kneading machine and are kneaded, and melting temperature is 75 DEG C, and mixing time is
45min；Polyethylene glycol dimethacrylate, methyl pentachlorostearate, trimellitic anhydride and benzoyl peroxide are conveyed again
It is kneaded into kneading machine, melting temperature is 80 DEG C, mixing time 40min；Afterwards by hindered amine as light stabilizer, crosslinking
Agent, waterproofing agent and antioxidant are delivered in kneading machine again to be kneaded, and melting temperature is 70 DEG C, mixing time 30min；
(2) then the material being kneaded through step (1) is delivered in vulcanizer, is eventually adding vulcanizing agent and carries out at vulcanization
Reason；
The operating temperature of above-mentioned vulcanizer is set in 180 DEG C, and sulfide stress is controlled in 10MPa, and vulcanization time is set as
10min。
Embodiment 2
A kind of high moisture cable jacket material, weighs the raw material such as the following table 3：
Table 3
Above-mentioned modified epoxy is through the following steps that prepare：50kg epoxy resin powders are taken, are added to anhydrous second
Dissolving stirring 45min, adds the micron silicon diatomaceous earth and 2% dodecyl for being equivalent to epoxy resin powder quality 6% in alcohol
Sodium sulphate mixes, and is placed in supersonic generator, is ultrasonically treated 1.5h and forms mixed solution, is subsequently placed in 90 DEG C of baking ovens and dries
60min is handled, the precuring 30min in the case where temperature is 110 DEG C, is finally placed in hot press and cures 100min afterwards, solidification temperature
For 125 DEG C, solidifying pressure 1.4MPa, curing terminates to obtain the final product.
A kind of preparation method of above-mentioned high moisture cable jacket material, follows the steps below：
(1) first by modified epoxy, unsaturated polyester (UP), decabromodiphenylethane, isopropanol, N hydroxymethyl acrylamide,
Micron silica and micron order aluminium nitride are delivered in kneading machine and are kneaded, and melting temperature is 80 DEG C, and mixing time is
50min；Polyethylene glycol dimethacrylate, methyl pentachlorostearate, trimellitic anhydride and benzoyl peroxide are conveyed again
It is kneaded into kneading machine, melting temperature is 85 DEG C, mixing time 45min；Afterwards by hindered amine as light stabilizer, crosslinking
Agent, waterproofing agent and antioxidant are delivered in kneading machine again to be kneaded, and melting temperature is 75 DEG C, mixing time 35min；
(2) then the material being kneaded through step (1) is delivered in vulcanizer, is eventually adding vulcanizing agent and carries out at vulcanization
Reason；
The operating temperature of above-mentioned vulcanizer is set in 190 DEG C, and sulfide stress is controlled in 15MPa, and vulcanization time is set as
15min。
Embodiment 3
A kind of high moisture cable jacket material, weighs the raw material such as the following table 4：
Table 4
Above-mentioned modified epoxy is through the following steps that prepare：60kg epoxy resin powders are taken, are added to anhydrous second
Dissolving stirring 50min, adds the micron silicon diatomaceous earth and 3% dodecyl for being equivalent to epoxy resin powder quality 8% in alcohol
Sodium sulphate mixes, and is placed in supersonic generator, is ultrasonically treated 2h and forms mixed solution, is subsequently placed in 95 DEG C of baking ovens at drying
65min is managed, the precuring 35min in the case where temperature is 115 DEG C, is finally placed in hot press and cures 110min, solidification temperature is afterwards
130 DEG C, solidifying pressure 1.6MPa, curing terminates to obtain the final product.
A kind of preparation method of above-mentioned high moisture cable jacket material, follows the steps below：
(1) first by modified epoxy, unsaturated polyester (UP), decabromodiphenylethane, isopropanol, N hydroxymethyl acrylamide,
Micron silica and micron order aluminium nitride are delivered in kneading machine and are kneaded, and melting temperature is 85 DEG C, and mixing time is
55min；Polyethylene glycol dimethacrylate, methyl pentachlorostearate, trimellitic anhydride and benzoyl peroxide are conveyed again
It is kneaded into kneading machine, melting temperature is 90 DEG C, mixing time 50min；Afterwards by hindered amine as light stabilizer, crosslinking
Agent, waterproofing agent and antioxidant are delivered in kneading machine again to be kneaded, and melting temperature is 80 DEG C, mixing time 40min；
(2) then the material being kneaded through step (1) is delivered in vulcanizer, is eventually adding vulcanizing agent and carries out at vulcanization
Reason；
The operating temperature of above-mentioned vulcanizer is set in 200 DEG C, and sulfide stress is controlled in 20MPa, and vulcanization time is set as
20min。
Performance detection
Cable jacket material is made in above-described embodiment 1-3, thickness is made as 1.6mm sheaths progress performance detection, testing result
It see the table below shown in 5；
Table 5
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the invention, although with reference to foregoing reality
Example is applied the present invention is described in detail, it for those skilled in the art, still can be to foregoing each implementation
Technical solution recorded in example modifies or carries out equivalent substitution to which part technical characteristic.All essences in the present invention
With within principle, any modifications, equivalent replacements and improvements are made should all be included in the protection scope of the present invention god.
Claims (10)
1. a kind of high moisture cable jacket material, which is characterized in that including following raw material by weight：Modified epoxy
40-60 parts, 15-25 parts of unsaturated polyester (UP), 4-8 parts of polyethylene glycol dimethacrylate, 4-8 parts of methyl pentachlorostearate, ten
3-5 parts of bromine diphenylethane, 1-3 parts of trimellitic anhydride, 2-4 parts of benzoyl peroxide, 6-8 parts of isopropanol, N- methylol acryloyls
1-2 parts of amine, 2-4 parts of micron silica, 1-3 parts of micron order aluminium nitride, 1-2 parts of hindered amine as light stabilizer, crosslinking agent 1-5
Part, 1-3 parts of vulcanizing agent, 1-5 parts of waterproofing agent and 1-3 parts of antioxidant；
The modified epoxy through the following steps that prepare：Appropriate epoxy resin powder is taken, is added to molten in absolute ethyl alcohol
Solution stirring 40-50min, adds the micron silicon diatomaceous earth for being equivalent to epoxy resin powder quality 4-8% and the dodecyl of 1-3%
Sodium sulphate mixes, and is placed in supersonic generator, is ultrasonically treated 1-2h and forms mixed solution, is subsequently placed in 85-95 DEG C of baking oven
Drying and processing 55-65min, the precuring 25-35min in the case where temperature is 105-115 DEG C, is finally placed in hot press and cures afterwards
90-110min, solidification temperature are 120-130 DEG C, solidifying pressure 1.2-1.6MPa, and curing terminates to obtain the final product.
2. a kind of high moisture cable jacket material according to claim 1, which is characterized in that including it is following by weight
Raw material：50 parts of modified epoxy, 20 parts of unsaturated polyester (UP), 6 parts of polyethylene glycol dimethacrylate, pentachloro- stearic acid first
6 parts of ester, 4 parts of decabromodiphenylethane, 2 parts of trimellitic anhydride, 3 parts of benzoyl peroxide, 7 parts of isopropanol, N- methylol acryloyls
1.5 parts of amine, 3 parts of micron silica, 2 parts of micron order aluminium nitride, 1.5 parts of hindered amine as light stabilizer, 3 parts of crosslinking agent, vulcanization
2 parts of 2 parts of agent, 3 parts of waterproofing agent and antioxidant.
3. a kind of high moisture cable jacket material according to claim 1, which is characterized in that the modified epoxy is
It is prepared by following steps：Appropriate epoxy resin powder is taken, dissolving stirring 45min in absolute ethyl alcohol is added to, adds quite
In the micron silicon diatomaceous earth of epoxy resin powder quality 6% and the mixing of 2% lauryl sodium sulfate, supersonic generator is placed in
In, it is ultrasonically treated 1.5h and forms mixed solution, be subsequently placed in drying and processing 60min in 90 DEG C of baking ovens, be afterwards 110 DEG C in temperature
Lower precuring 30min, is finally placed in hot press and cures 100min, and solidification temperature is 125 DEG C, solidifying pressure 1.4MPa, Gu
Change terminates to obtain the final product.
4. a kind of high moisture cable jacket material according to claim 1, which is characterized in that the crosslinking agent is selected from polynary
At least one of acid anhydrides of alcohol or polyacid.
5. a kind of high moisture cable jacket material according to claim 4, which is characterized in that the polyalcohol is selected from season penta
At least one of tetrol, bipentaerythrite, tripentaerythritol, trimethylolpropane, trimethylolethane and glycerine；Polyacid
Acid anhydrides be pyromellitic acid anhydride.
6. a kind of high moisture cable jacket material according to claim 1, which is characterized in that the waterproofing agent is prevented for silane
One kind in aqua, inorganic aluminate water-proof agent or higher fatty acids waterproofing agent.
7. a kind of high moisture cable jacket material according to claim 1, which is characterized in that the antioxidant is antioxidant
One kind in TNP, antioxidant 1010 or hindered phenol.
8. a kind of high moisture cable jacket material according to claim 1, which is characterized in that the vulcanizing agent is peroxidating
In diisopropylbenzene (DIPB), 1,1- bis(t-butylperoxy)s -3,3,5- trimethyl-cyclohexanes or double (tert-butylperoxyiso-propyl) benzene
It is a kind of.
9. a kind of preparation method of high moisture cable jacket material according to any one of claims 1 to 8, feature exist
In comprising the following steps：
(1) raw material is weighed by the weight；
(2) by modified epoxy, unsaturated polyester (UP), decabromodiphenylethane, isopropanol, N hydroxymethyl acrylamide, micron order
Silica and micron order aluminium nitride are delivered in kneading machine and are kneaded, and melting temperature is 75-85 DEG C, mixing time 45-
55min；Polyethylene glycol dimethacrylate, methyl pentachlorostearate, trimellitic anhydride and benzoyl peroxide are conveyed again
It is kneaded into kneading machine, melting temperature is 80-90 DEG C, mixing time 40-50min；Afterwards by hindered amine as light stabilizer,
Crosslinking agent, waterproofing agent and antioxidant are delivered in kneading machine again to be kneaded, and melting temperature is 70-80 DEG C, and mixing time is
30-40min；
(3) material being kneaded through step (2) is delivered in vulcanizer, then adds in vulcanizing agent and carry out vulcanizing treatment.
A kind of 10. preparation method of high moisture cable jacket material according to claim 1, which is characterized in that the sulphur
The operating temperature of change machine is 180-200 DEG C, sulfide stress 10-20MPa, vulcanization time 10-20min.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105885128A (en) * | 2016-06-20 | 2016-08-24 | 李文军 | Cable insulating material for ocean vessel and preparation method of cable insulating material |
| CN106188705A (en) * | 2016-08-11 | 2016-12-07 | 芜湖诚通自动化设备有限公司 | A kind of high insulating ceramics fireproof power cable material |
| CN107154604A (en) * | 2017-07-16 | 2017-09-12 | 镇江市神龙电器管件有限公司 | A kind of composite fireproof anti-corrosion cable bridge |
-
2018
- 2018-02-07 CN CN201810122114.1A patent/CN108084664A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105885128A (en) * | 2016-06-20 | 2016-08-24 | 李文军 | Cable insulating material for ocean vessel and preparation method of cable insulating material |
| CN106188705A (en) * | 2016-08-11 | 2016-12-07 | 芜湖诚通自动化设备有限公司 | A kind of high insulating ceramics fireproof power cable material |
| CN107154604A (en) * | 2017-07-16 | 2017-09-12 | 镇江市神龙电器管件有限公司 | A kind of composite fireproof anti-corrosion cable bridge |
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