CN108641211A - A kind of impact resins base polystyrene foamed heat insulating plank and preparation method thereof - Google Patents
A kind of impact resins base polystyrene foamed heat insulating plank and preparation method thereof Download PDFInfo
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- CN108641211A CN108641211A CN201810435175.3A CN201810435175A CN108641211A CN 108641211 A CN108641211 A CN 108641211A CN 201810435175 A CN201810435175 A CN 201810435175A CN 108641211 A CN108641211 A CN 108641211A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/04—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent
- C08J9/12—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent
- C08J9/14—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof using blowing gases generated by a previously added blowing agent by a physical blowing agent organic
- C08J9/141—Hydrocarbons
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/12—Esters of monohydric alcohols or phenols
- C08F220/14—Methyl esters, e.g. methyl (meth)acrylate
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0066—Use of inorganic compounding ingredients
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/009—Use of pretreated compounding ingredients
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2203/00—Foams characterized by the expanding agent
- C08J2203/14—Saturated hydrocarbons, e.g. butane; Unspecified hydrocarbons
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2325/00—Characterised by the use 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 an aromatic carbocyclic ring; Derivatives of such polymers
- C08J2325/02—Homopolymers or copolymers of hydrocarbons
- C08J2325/04—Homopolymers or copolymers of styrene
- C08J2325/06—Polystyrene
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Abstract
The invention discloses a kind of impact resins base polystyrene foamed heat insulating planks, it is made of the raw material of following weight parts：Styrene 130 160, dibenzoyl peroxide 57, thiol-butyl tin 0.1 0.4, aluminium dihydrogen phosphate 34,10 13% formalin 20 30, pentane foaming agent 10 17, sodium bicarbonate 12, microsphere modified polyester emulsion 20 30, the plank of the present invention also has good heat-resistant stability and mechanical strength stability, the present invention is modified using polyester resin, effectively raises the impact strength of finished product plank.
Description
Technical field
The invention belongs to plank fields, and in particular to a kind of impact resins base polystyrene foamed heat insulating plank and its system
Preparation Method.
Background technology
The purposes of foamed polystyrene resin is very extensive, since it is adiabatic with high intensity, light weight, splendid heat preservation
Performance and high-selenium corn energy ability, may be used as various instrument, valuables, precision instrument, vegetable and fruit and aquatic products etc.
Packaging material；And because it is low with pyroconductivity, water imbibition is small, electrical insulating property is good, sound insulation, moisture-proof and moulding process are simple
Equal good characteristics, and the roadbed for being widely used in road and bridge is laid with and catches and refrigerate industry with building construction and fishery
Thermal insulation material etc..Wherein, as a kind of excellent construction material, foamed polystyrene resin is mainly used for the room of building
Face and wall have very good energy-saving effect as external heat insulating composite wall；And as heat insulation house surface be suitable for house,
Factory, flat and pitch roofing, the effects that sound insulation, water blocking steam, sealing and insulation can be played；
However, commercially available polystyrene raw material is more single, the inorganic filler of addition and the compatibility of polystyrene matrix
The mechanical stability of difference, finished product plank is poor, and polystyrene is due to foaming, and it is low to be easy to cause impact strength, and plank is easy broken
The defects of splitting.
Invention content
In view of the defects and deficiencies of the prior art, the present invention intends to provide a kind of impact resins base polystyrenes
Foamed heat insulating plank and preparation method thereof.
To achieve the above object, the present invention uses following technical scheme：
A kind of impact resins base polystyrene foamed heat insulating plank, it is made of the raw material of following weight parts：
Styrene 130-160, dibenzoyl peroxide 5-7, thiol-butyl tin 0.1-0.4, aluminium dihydrogen phosphate 3-4,10-
13% formalin 20-30, pentane foaming agent 10-17, sodium bicarbonate 1-2, microsphere modified polyester emulsion 20-30.
The microsphere modified polyester emulsion is made of the raw material of following weight parts：
Triethylamine 1-2, hollow glass micropearl 10-14, methyl methacrylate 35-40, butyl acrylate 20-30, over cure
Sour ammonium 2-3, alkanolamide 10-13.
The preparation method of the microsphere modified polyester emulsion, includes the following steps：
(1) ammonium persulfate is taken, is added in the deionized water of 100-130 times of its weight, stirs evenly；
(2) hollow glass micropearl is taken, is added in the absolute ethyl alcohol of 2-4 times of its weight, stirs evenly, triethylamine is added,
It is 1-2 hours ultrasonic, it mixes, stirs evenly with methyl methacrylate, butyl acrylate, be sent in reaction kettle, be passed through nitrogen,
It is 65-70 DEG C to adjust temperature of reaction kettle, and above-mentioned ammonium persulfate aqueous solution, insulated and stirred 3-4 hours is added, and discharging obtains polyester breast
Liquid；
(3) alkylamide is taken, is added in above-mentioned polyester emulsion, it is 10-20 minutes ultrasonic, ethyl alcohol is distilled off to get institute
State microsphere modified polyester emulsion.
A kind of preparation method of impact resins base polystyrene foamed heat insulating plank, includes the following steps：
(1) dibenzoyl peroxide is taken, is added in the isopropanol of 10-14 times of its weight, stirs evenly, it is molten to obtain initiator
Liquid；
(2) aluminium dihydrogen phosphate is taken, is added in the deionized water of 26-30 times of its weight, the insulated and stirred at 55-60 DEG C
10-15 minutes, obtain aluminium dihydrogen phosphate aqueous solution；
(3) styrene is taken, is added in above-mentioned microsphere modified polyester emulsion, stirs evenly, above-mentioned aluminium dihydrogen phosphate is added
Aqueous solution, it is 10-20 minutes ultrasonic, obtain polyester modification monomer emulsions；
(4) formalin for taking 10-13% is added drop-wise in above-mentioned polyester modification monomer emulsions, stirs evenly, be sent to
In 60-70 DEG C of water bath with thermostatic control, sodium bicarbonate is added, insulated and stirred 2-4 hours obtains methyl modified poly ester monomer emulsions；
(5) above-mentioned methyl modified poly ester monomer emulsions are taken, mixes, is sent in reaction kettle with thiol-butyl tin, be passed through nitrogen
Gas, it is 65-70 DEG C to adjust temperature of reaction kettle, and above-mentioned initiator solution is added, and pentane foaming agent is added in insulated and stirred 3-4 hours,
It is 110-120 DEG C to increase temperature, keeps the temperature 1-2 hours, product is sent to foaming by cooling discharging after washing, drying, screening
In machine, at 0.25-0.3Mpa, 130-140 DEG C steam heat 1-2 hour, discharging, cool down to get.
Advantages of the present invention：
The microsphere modified polyester emulsion of the present invention is using hollow glass micropearl as raw material, with methyl methacrylate, acrylic acid
Butyl ester is monomer, polymerize under ammonium persulfate effect, then alkylamide is used to disperse, and obtains the microballon dispersion of polyester cladding
Liquid, the polyester can carry out cladding processing to hollow glass micropearl, can reduce the breakage rate of hollow glass micropearl, the present invention with
Styrene is monomer, uses microsphere modified polyester emulsion for dispersion liquid, be added dropwise formalin, under alkaline condition by formaldehyde with
Alkanolamide reacts, and obtains methyl modified poly ester monomer emulsions, then polymerize the lotion under initiator effect, effective to improve
Dispersion compatibility of the aluminium dihydrogen phosphate between finished product polystyrene also effectively raises production board using the processing that methylates
The fire protecting performance of material, meanwhile, plank of the invention also there is good heat-resistant stability and mechanical strength stability, the present invention to adopt
It is modified with polyester resin, effectively raises the impact strength of finished product plank.
Specific implementation mode
Embodiment 1
A kind of impact resins base polystyrene foamed heat insulating plank, it is made of the raw material of following weight parts：
Styrene 160, dibenzoyl peroxide 7, thiol-butyl tin 0.4, aluminium dihydrogen phosphate 4,13% formalin 30,
Pentane foaming agent 17, sodium bicarbonate 2, microsphere modified polyester emulsion 30.
The microsphere modified polyester emulsion is made of the raw material of following weight parts：
Triethylamine 2, hollow glass micropearl 14, methyl methacrylate 40, butyl acrylate 30, ammonium persulfate 3, alkanol acyl
Amine 13.
The preparation method of the microsphere modified polyester emulsion, includes the following steps：
(1) ammonium persulfate is taken, is added in the deionized water of 130 times of its weight, stirs evenly；
(2) hollow glass micropearl is taken, is added in the absolute ethyl alcohol of 4 times of its weight, stirs evenly, triethylamine is added, is surpassed
Sound 2 hours, mixes with methyl methacrylate, butyl acrylate, stirs evenly, be sent in reaction kettle, is passed through nitrogen, adjusts
Temperature of reaction kettle is 70 DEG C, and above-mentioned ammonium persulfate aqueous solution, insulated and stirred 4 hours is added, and discharging obtains polyester emulsion；
(3) alkylamide is taken, is added in above-mentioned polyester emulsion, ethyl alcohol is distilled off to get described micro- in ultrasound 20 minutes
Pearl modified poly ester lotion.
A kind of preparation method of impact resins base polystyrene foamed heat insulating plank, includes the following steps：
(1) dibenzoyl peroxide is taken, is added in the isopropanol of 14 times of its weight, is stirred evenly, obtain initiator solution；
(2) aluminium dihydrogen phosphate is taken, is added in the deionized water of 30 times of its weight, insulated and stirred 15 minutes at 60 DEG C,
Obtain aluminium dihydrogen phosphate aqueous solution；
(3) styrene is taken, is added in above-mentioned microsphere modified polyester emulsion, stirs evenly, above-mentioned aluminium dihydrogen phosphate is added
Aqueous solution, ultrasound 20 minutes, obtains polyester modification monomer emulsions；
(4) formalin for taking 13% is added drop-wise in above-mentioned polyester modification monomer emulsions, stirs evenly, is sent to 70 DEG C
Water bath with thermostatic control in, sodium bicarbonate is added, insulated and stirred 4 hours obtains methyl modified poly ester monomer emulsions；
(5) above-mentioned methyl modified poly ester monomer emulsions are taken, mixes, is sent in reaction kettle with thiol-butyl tin, be passed through nitrogen
Gas, it is 70 DEG C to adjust temperature of reaction kettle, and above-mentioned initiator solution is added, and pentane foaming agent is added in insulated and stirred 4 hours, increases
Temperature is 120 DEG C, keeps the temperature 2 hours, and product is sent to after washing, drying, screening in foaming machine by cooling discharging,
0.3Mpa, steam heats 2 hours at 140 DEG C, discharging, it is cooling to get.
Embodiment 2
A kind of impact resins base polystyrene foamed heat insulating plank, it is made of the raw material of following weight parts：
Styrene 130, dibenzoyl peroxide 5, thiol-butyl tin 0.1, aluminium dihydrogen phosphate 3,10% formalin 20,
Pentane foaming agent 10, sodium bicarbonate 1, microsphere modified polyester emulsion 20.
The microsphere modified polyester emulsion is made of the raw material of following weight parts：
Triethylamine 1, hollow glass micropearl 10, methyl methacrylate 35, butyl acrylate 20, ammonium persulfate 2, alkanol acyl
Amine 10.
The preparation method of the microsphere modified polyester emulsion, includes the following steps：
(1) ammonium persulfate is taken, is added in the deionized water of 100 times of its weight, stirs evenly；
(2) hollow glass micropearl is taken, is added in the absolute ethyl alcohol of 2 times of its weight, stirs evenly, triethylamine is added, is surpassed
Sound 1 hour, mixes with methyl methacrylate, butyl acrylate, stirs evenly, be sent in reaction kettle, is passed through nitrogen, adjusts
Temperature of reaction kettle is 65 DEG C, and above-mentioned ammonium persulfate aqueous solution, insulated and stirred 3 hours is added, and discharging obtains polyester emulsion；
(3) alkylamide is taken, is added in above-mentioned polyester emulsion, ethyl alcohol is distilled off to get described micro- in ultrasound 10 minutes
Pearl modified poly ester lotion.
A kind of preparation method of impact resins base polystyrene foamed heat insulating plank, includes the following steps：
(1) dibenzoyl peroxide is taken, is added in the isopropanol of 10 times of its weight, is stirred evenly, obtain initiator solution；
(2) aluminium dihydrogen phosphate is taken, is added in the deionized water of 26 times of its weight, insulated and stirred 10 minutes at 55 DEG C,
Obtain aluminium dihydrogen phosphate aqueous solution；
(3) styrene is taken, is added in above-mentioned microsphere modified polyester emulsion, stirs evenly, above-mentioned aluminium dihydrogen phosphate is added
Aqueous solution, ultrasound 10 minutes, obtains polyester modification monomer emulsions；
(4) formalin for taking 10% is added drop-wise in above-mentioned polyester modification monomer emulsions, stirs evenly, is sent to 60 DEG C
Water bath with thermostatic control in, sodium bicarbonate is added, insulated and stirred 2 hours obtains methyl modified poly ester monomer emulsions；
(5) above-mentioned methyl modified poly ester monomer emulsions are taken, mixes, is sent in reaction kettle with thiol-butyl tin, be passed through nitrogen
Gas, it is 65 DEG C to adjust temperature of reaction kettle, and above-mentioned initiator solution is added, and pentane foaming agent is added in insulated and stirred 3 hours, increases
Temperature is 110 DEG C, keeps the temperature 1 hour, and product is sent to after washing, drying, screening in foaming machine by cooling discharging,
0.25Mpa, steam heats 1 hour at 130 DEG C, discharging, it is cooling to get.
Performance test：
Embodiment 1：
Oxygen index (OI) 32, tensile strength 212kpa, thermal coefficient 0.020w/m.k；
Embodiment 2：
Oxygen index (OI) 34, tensile strength 217kpa, thermal coefficient 0.023w/m.k.
Claims (4)
1. a kind of impact resins base polystyrene foamed heat insulating plank, which is characterized in that it is the raw material by following weight parts
Composition：
Styrene 130-160, dibenzoyl peroxide 5-7, thiol-butyl tin 0.1-0.4, aluminium dihydrogen phosphate 3-4,10-13%
Formalin 20-30, pentane foaming agent 10-17, sodium bicarbonate 1-2, microsphere modified polyester emulsion 20-30.
2. a kind of impact resins base polystyrene foamed heat insulating plank according to claim 1, which is characterized in that described
Microsphere modified polyester emulsion be made of the raw material of following weight parts：
Triethylamine 1-2, hollow glass micropearl 10-14, methyl methacrylate 35-40, butyl acrylate 20-30, ammonium persulfate
2-3, alkanolamide 10-13.
3. a kind of impact resins base polystyrene foamed heat insulating plank according to claim 2, which is characterized in that described
Microsphere modified polyester emulsion preparation method, include the following steps：
(1) ammonium persulfate is taken, is added in the deionized water of 100-130 times of its weight, stirs evenly；
(2) hollow glass micropearl is taken, is added in the absolute ethyl alcohol of 2-4 times of its weight, stirs evenly, triethylamine, ultrasound is added
It 1-2 hours, mixes, stirs evenly with methyl methacrylate, butyl acrylate, be sent in reaction kettle, be passed through nitrogen, adjust
Temperature of reaction kettle is 65-70 DEG C, and above-mentioned ammonium persulfate aqueous solution, insulated and stirred 3-4 hours is added, and discharging obtains polyester emulsion；
(3) alkylamide is taken, is added in above-mentioned polyester emulsion, it is 10-20 minutes ultrasonic, ethyl alcohol is distilled off to get described micro-
Pearl modified poly ester lotion.
4. a kind of preparation method of impact resins base polystyrene foamed heat insulating plank as described in claim 1, feature exist
In including the following steps：
(1) dibenzoyl peroxide is taken, is added in the isopropanol of 10-14 times of its weight, stirs evenly, obtain initiator solution；
(2) aluminium dihydrogen phosphate is taken, is added in the deionized water of 26-30 times of its weight, the insulated and stirred 10-15 at 55-60 DEG C
Minute, obtain aluminium dihydrogen phosphate aqueous solution；
(3) styrene is taken, is added in above-mentioned microsphere modified polyester emulsion, stirs evenly, it is water-soluble that above-mentioned aluminium dihydrogen phosphate is added
Liquid, it is 10-20 minutes ultrasonic, obtain polyester modification monomer emulsions；
(4) formalin for taking 10-13% is added drop-wise in above-mentioned polyester modification monomer emulsions, stirs evenly, be sent to 60-70
DEG C water bath with thermostatic control in, sodium bicarbonate is added, insulated and stirred 2-4 hours obtains methyl modified poly ester monomer emulsions；
(5) above-mentioned methyl modified poly ester monomer emulsions are taken, mixes, is sent in reaction kettle with thiol-butyl tin, are passed through nitrogen, are adjusted
It is 65-70 DEG C to save temperature of reaction kettle, and above-mentioned initiator solution is added, and pentane foaming agent is added in insulated and stirred 3-4 hours, increases
Temperature is 110-120 DEG C, keeps the temperature 1-2 hours, product is sent to foaming machine by cooling discharging after washing, drying, screening
In, at 0.25-0.3Mpa, 130-140 DEG C steam heat 1-2 hour, discharging, cool down to get.
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| CN201810435175.3A CN108641211A (en) | 2018-05-09 | 2018-05-09 | A kind of impact resins base polystyrene foamed heat insulating plank and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109705485A (en) * | 2018-12-31 | 2019-05-03 | 王爱绿 | A kind of composite foamed insulating board for building of nylon and preparation method thereof |
| CN109786007A (en) * | 2019-01-25 | 2019-05-21 | 芜湖航天特种电缆厂股份有限公司 | The method for improving deep sea cable service life |
| CN109824992A (en) * | 2019-01-20 | 2019-05-31 | 金华职业技术学院 | A kind of interior decoration type foaming insulation board and preparation method thereof |
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| KR100875409B1 (en) * | 2004-12-22 | 2008-12-23 | 알베마를 코포레이션 | Flame Retardant Expanded Polystyrene Foam Composition |
| CN103589081A (en) * | 2013-09-28 | 2014-02-19 | 安徽玉龙新型建材有限公司 | Novel expanded polystyrene resin |
| CN107163171A (en) * | 2017-07-06 | 2017-09-15 | 董艺 | A kind of preparation method of crosslinked polystyrene building thermal insulation material |
| CN107540970A (en) * | 2017-10-18 | 2018-01-05 | 温州市赢创新材料技术有限公司 | A kind of graphene heat preservation plate material and preparation method thereof |
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2018
- 2018-05-09 CN CN201810435175.3A patent/CN108641211A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100875409B1 (en) * | 2004-12-22 | 2008-12-23 | 알베마를 코포레이션 | Flame Retardant Expanded Polystyrene Foam Composition |
| CN103589081A (en) * | 2013-09-28 | 2014-02-19 | 安徽玉龙新型建材有限公司 | Novel expanded polystyrene resin |
| CN107163171A (en) * | 2017-07-06 | 2017-09-15 | 董艺 | A kind of preparation method of crosslinked polystyrene building thermal insulation material |
| CN107540970A (en) * | 2017-10-18 | 2018-01-05 | 温州市赢创新材料技术有限公司 | A kind of graphene heat preservation plate material and preparation method thereof |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109705485A (en) * | 2018-12-31 | 2019-05-03 | 王爱绿 | A kind of composite foamed insulating board for building of nylon and preparation method thereof |
| CN109824992A (en) * | 2019-01-20 | 2019-05-31 | 金华职业技术学院 | A kind of interior decoration type foaming insulation board and preparation method thereof |
| CN109786007A (en) * | 2019-01-25 | 2019-05-21 | 芜湖航天特种电缆厂股份有限公司 | The method for improving deep sea cable service life |
| CN109786007B (en) * | 2019-01-25 | 2020-04-28 | 芜湖航天特种电缆厂股份有限公司 | Method for prolonging service life of deep-sea cable |
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Application publication date: 20181012 |