CN108299691A - A kind of novel flame-retardant cable material and preparation method for photovoltaic system - Google Patents
A kind of novel flame-retardant cable material and preparation method for photovoltaic system Download PDFInfo
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L9/00—Compositions of homopolymers or copolymers of conjugated diene hydrocarbons
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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
- H01B3/28—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances natural or synthetic rubbers
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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- 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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- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
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- C08L2203/00—Applications
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- 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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Abstract
The invention belongs to photovoltaic material processing technique fields, provide a kind of novel flame-retardant cable material and preparation method for photovoltaic system, using butadiene rubber, neoprene as major ingredient, it is aided with coumarone indene resin, glass fibre, fire retardant, carboxymethyl cellulose, crosslinking agent, plasticizer, polytetrafluoroethylene (PTFE), polyamide wax, Mullite Powder and ageing-resistant composition, and the weight ratio that reasonable disposition is mutual.Wherein, relative to unlike existing cable material formula, the present invention adds the fire retardant comprising carbon containing fire retardant and carbon compound emphatically in formula, carbon containing fire retardant and carbon compound are combined by Polycarbosilane, because of high bond strength, it can be effectively improved the flame retardant property of cable material, there is better heat resistance than existing cable material.
Description
Technical field
The invention belongs to photovoltaic material processing technique fields, and in particular, to a kind of novel flame-retardant for photovoltaic system
Cable material and preparation method.
Background technology
Cable usage amounts are being continuously increased with the increase of photovoltaic generating system Facilities Construction.Traditional cable containing halogen
Material generates toxic carcinogen etc., is gradually replaced by low smoke, zero halogen CABLE MATERIALS because its burning fuming amount is big.Existing Halogen
Low smoke cables material one kind is that polyolefin adds the inorganic combustion inhibitors such as inorganic combustion inhibitor aluminium hydroxide, magnesium hydroxide, but to reach
Preferable flame retardant effect needs to be added at least to 60% or more, is greatly lowered the mechanical performance of CABLE MATERIALS in this way, influences to squeeze
Go out performance.Especially such CABLE MATERIALS is fire-retardant when for electric wire to can't pass the experiment of VW-1 vertical combustions.It is another kind of to be, polyolefin
Middle addition phosphorus nitrogen expansion type combustion inhibitor, such CABLE MATERIALS will reach preferable flame retardant property, and to be also required to additive amount big, first, cost
Height largely effects on flame retardant property second is that being easily precipitated.
Therefore, in order to overcome above-mentioned deficiency, selection and technique to photovoltaic cable is needed further to be improved.
Invention content
For the defects in the prior art, on the one hand the purpose of the present invention is to provide a kind of novel resistance for photovoltaic system
Cable material is fired, on the one hand a kind of method preparing the novel flame-retardant cable material for being used for photovoltaic system is also provided.
A kind of novel flame-retardant cable material for photovoltaic system provided according to an aspect of the present invention, it is described to be used for photovoltaic
The novel flame-retardant cable material of system includes the raw material of following parts by weight：38-53 parts of butadiene rubber, 28-41 parts of neoprene,
5-12 parts of coumarone indene resin, 2-8 parts of glass fibre, 2-12 parts of fire retardant, 7-15 parts of carboxymethyl cellulose, crosslinking agent 0.7-1.8
Part, 0.7-2.1 parts of plasticizer, 2-8 parts of polytetrafluoroethylene (PTFE), 2-15 parts of polyamide wax, 3-9 parts of Mullite Powder and ageing-resistant combination
13-19 parts of object；
The fire retardant includes carbon containing fire retardant and carbon compound, and the carbon containing fire retardant and carbon compound are by Polycarbosilane
It is combined as bonding agent；
The ingredient of the ageing-resistant composition includes：Nano-graphene, film forming agent, solvent, auxiliary agent, the film forming agent are polyethers acyl
The mixture of imines, polyurethane and epoxy resin, the solvent are the mixture of N-methyl pyrrolidones, water and n-butanol, institute
State the mixture that auxiliary agent is dibutyl phthalate, ethylenediamine and methylethyl ketoxime.
Preferably, the ingredient of the ageing-resistant composition includes：20-60 parts of film forming agent, 10-20 parts of solvent, nano-graphite
0.1-20 parts of alkene, 0.1-5 parts of auxiliary agent.
Preferably, the preparation method of the ageing-resistant composition is：By the nano-graphene, film forming agent, solvent, auxiliary agent
After mixing, ultrasonic disperse 5-20min, you can.
Preferably, the carbon containing fire retardant is the mixture of aluminium carbon fire retardant, magnesium carbon fire retardant and zirconium carbon fire retardant.
Preferably, the aluminium carbon fire retardant is the mixture of aluminium oxide aggregate and alumina powder, the aluminium oxide aggregate
Mass ratio with alumina powder is 10-13:1.
Preferably, the magnesium carbon fire retardant is the mixture of magnesia aggregate and magnesia powder, the magnesia aggregate
Mass ratio with magnesia powder is 11-15:1.
Preferably, the zirconium carbon fire retardant is the mixture of zirconium oxide aggregate and zirconium oxide powder, the zirconium oxide aggregate
Mass ratio with zirconium oxide powder is 13-17:1.
The preparation of the novel flame-retardant cable material for photovoltaic system provided according to another aspect of the present invention
Method includes the following steps：
Step（1）：Raw material is weighed according to parts by weight proportioning：Butadiene rubber, neoprene, coumarone indene resin, glass fibre, resistance
Fire agent, carboxymethyl cellulose, crosslinking agent, plasticizer, polytetrafluoroethylene (PTFE), polyamide wax, Mullite Powder and ageing-resistant composition；
Step（2）：By butadiene rubber, neoprene, coumarone indene resin, glass fibre, fire retardant, carboxymethyl cellulose, crosslinking
Agent, plasticizer, polytetrafluoroethylene (PTFE), polyamide wax, Mullite Powder and ageing-resistant composition are mixed；
Step（3）：The step（2）Mixing is carried out after mixing, smelting temperature is 100-110 DEG C, mixing time 25-
30min obtains uniform colloid mixture；
Step（4）：Mill is carried out to colloid mixture, and benzoyl peroxide and cumyl peroxide is added, the peroxide
The addition of change benzoyl and cumyl peroxide is respectively the 2-7% of the epoxy glue scale of construction, is kneaded 10-20min, you can.
Compared with prior art, the present invention has following advantageous effect：
1, a kind of novel flame-retardant cable material for photovoltaic system provided by the invention, cable material of the invention is with along fourth rubber
Glue, neoprene be major ingredient, be aided with coumarone indene resin, glass fibre, fire retardant, carboxymethyl cellulose, crosslinking agent, plasticizer,
Polytetrafluoroethylene (PTFE), polyamide wax, Mullite Powder and ageing-resistant composition, and the weight ratio that reasonable disposition is mutual.Wherein,
Relative to unlike existing cable material formula, the present invention is added comprising carbon containing fire retardant and carbon emphatically in formula
The fire retardant of compound, carbon containing fire retardant and carbon compound are combined by Polycarbosilane, can be effective because of high bond strength
The flame retardant property for improving cable material has better heat resistance than existing cable material.
2, ageing-resistant combination is added in formula in a kind of novel flame-retardant cable material for photovoltaic system provided by the invention
Object, the ageing-resistant composition are aided with film forming agent, solvent and auxiliary agent using nano-graphene as major ingredient.Due to the quasi- two dimension of graphene
Structure has the performance of unique physico-chemical and biology etc., therefore makes it have good thermal stability, in hot conditions
It is lower to keep stablizing, therefore, it is added to after it is coordinated with other compositions in cable material formula, considerably improves cable material
The flame retardant property of material.
3, a kind of novel flame-retardant cable material for photovoltaic system provided by the invention is added in cable material formula
Polyamide wax, polyamide wax are a kind of thixotropy additives, are effectively activated by solvent, in cable material solvent system
Powerful network structure is formed, because it is with excellent resist sagging ability, anti-settling ability so that in cable material solution system
It is respectively uniformly distributed, homogeneity is high, so that the product quality being prepared is high.In addition, polyamide wax has extraordinary intensity
And heat resistance, improve the flame retardant property of cable material.
Specific implementation mode
Present invention will be further explained below with reference to specific examples.It should be understood that these embodiments are merely to illustrate the present invention
Rather than it limits the scope of the invention.
Embodiment 1
The on the one hand a kind of novel flame-retardant cable material for photovoltaic system that the present embodiment provides, it is described to be used for photovoltaic system
Novel flame-retardant cable material includes the raw material of following parts by weight：53 parts of butadiene rubber, 28 parts of neoprene, coumarone indene resin 12
Part, 2 parts of glass fibre, 12 parts of fire retardant, 7 parts of carboxymethyl cellulose, 1.8 parts of crosslinking agent, 0.7 part of plasticizer, polytetrafluoroethylene (PTFE) 8
Part, 2 parts of polyamide wax, 9 parts of Mullite Powder and 13 parts of ageing-resistant composition；
The fire retardant includes carbon containing fire retardant and carbon compound, and the carbon containing fire retardant and carbon compound are by Polycarbosilane
It is combined as bonding agent；
The ingredient of the ageing-resistant composition includes：Nano-graphene, film forming agent, solvent, auxiliary agent, the film forming agent are polyethers acyl
The mixture of imines, polyurethane and epoxy resin, the solvent are the mixture of N-methyl pyrrolidones, water and n-butanol, institute
State the mixture that auxiliary agent is dibutyl phthalate, ethylenediamine and methylethyl ketoxime.
Preferably, the ingredient of the ageing-resistant composition includes：60 parts of film forming agent, 10 parts of solvent, nano-graphite
20 parts of alkene, 0.1 part of auxiliary agent.
Preferably, the preparation method of the ageing-resistant composition is：By the nano-graphene, film forming agent, molten
After agent, auxiliary agent mixing, ultrasonic disperse 20min, you can.
Preferably, the carbon containing fire retardant is the mixing of aluminium carbon fire retardant, magnesium carbon fire retardant and zirconium carbon fire retardant
Object.
Preferably, the aluminium carbon fire retardant is the mixture of aluminium oxide aggregate and alumina powder, the oxidation
The mass ratio of aluminium aggregate and alumina powder is 13:1.
Preferably, the magnesium carbon fire retardant is the mixture of magnesia aggregate and magnesia powder, the oxidation
The mass ratio of magnesium aggregate and magnesia powder is 15:1.
Preferably, the zirconium carbon fire retardant is the mixture of zirconium oxide aggregate and zirconium oxide powder, the oxidation
The mass ratio of zirconium aggregate and zirconium oxide powder is 17:1.
The preparation of the novel flame-retardant cable material for photovoltaic system provided according to another aspect of the present invention
Method includes the following steps：
Step（1）：Raw material is weighed according to parts by weight proportioning：Butadiene rubber, neoprene, coumarone indene resin, glass fibre, resistance
Fire agent, carboxymethyl cellulose, crosslinking agent, plasticizer, polytetrafluoroethylene (PTFE), polyamide wax, Mullite Powder and ageing-resistant composition；
Step（2）：By butadiene rubber, neoprene, coumarone indene resin, glass fibre, fire retardant, carboxymethyl cellulose, crosslinking
Agent, plasticizer, polytetrafluoroethylene (PTFE), polyamide wax, Mullite Powder and ageing-resistant composition are mixed；
Step（3）：The step（2）Mixing is carried out after mixing, smelting temperature is 110 DEG C, mixing time 25min, is obtained
Even colloid mixture；
Step（4）：Mill is carried out to colloid mixture, and benzoyl peroxide and cumyl peroxide is added, the peroxide
The addition for changing benzoyl and cumyl peroxide is respectively the 7% of the epoxy glue scale of construction, is kneaded 10-20min, you can.
Embodiment 2
The novel flame-retardant cable material for photovoltaic system includes the raw material of following parts by weight：38 parts of butadiene rubber, chlorine
41 parts of buna, 5 parts of coumarone indene resin, 8 parts of glass fibre, 2 parts of fire retardant, 15 parts of carboxymethyl cellulose, 0.7 part of crosslinking agent,
19 parts of 2.1 parts of plasticizer, 2 parts of polytetrafluoroethylene (PTFE), 15 parts of polyamide wax, 3 parts of Mullite Powder and ageing-resistant composition；
The fire retardant includes carbon containing fire retardant and carbon compound, and the carbon containing fire retardant and carbon compound are by Polycarbosilane
It is combined as bonding agent；
The ingredient of the ageing-resistant composition includes：Nano-graphene, film forming agent, solvent, auxiliary agent, the film forming agent are polyethers acyl
The mixture of imines, polyurethane and epoxy resin, the solvent are the mixture of N-methyl pyrrolidones, water and n-butanol, institute
State the mixture that auxiliary agent is dibutyl phthalate, ethylenediamine and methylethyl ketoxime.
Preferably, the ingredient of the ageing-resistant composition includes：20 parts of film forming agent, 20 parts of solvent, nano-graphite
0.1 part of alkene, 5 parts of auxiliary agent.
Preferably, the preparation method of the ageing-resistant composition is：By the nano-graphene, film forming agent, molten
After agent, auxiliary agent mixing, ultrasonic disperse 5-20min, you can.
Preferably, the carbon containing fire retardant is the mixing of aluminium carbon fire retardant, magnesium carbon fire retardant and zirconium carbon fire retardant
Object.
Preferably, the aluminium carbon fire retardant is the mixture of aluminium oxide aggregate and alumina powder, the oxidation
The mass ratio of aluminium aggregate and alumina powder is 10:1.
Preferably, the magnesium carbon fire retardant is the mixture of magnesia aggregate and magnesia powder, the oxidation
The mass ratio of magnesium aggregate and magnesia powder is 11:1.
Preferably, the zirconium carbon fire retardant is the mixture of zirconium oxide aggregate and zirconium oxide powder, the oxidation
The mass ratio of zirconium aggregate and zirconium oxide powder is 13:1.
The preparation of the novel flame-retardant cable material for photovoltaic system provided according to another aspect of the present invention
Method includes the following steps：
Step（1）：Raw material is weighed according to parts by weight proportioning：Butadiene rubber, neoprene, coumarone indene resin, glass fibre, resistance
Fire agent, carboxymethyl cellulose, crosslinking agent, plasticizer, polytetrafluoroethylene (PTFE), polyamide wax, Mullite Powder and ageing-resistant composition；
Step（2）：By butadiene rubber, neoprene, coumarone indene resin, glass fibre, fire retardant, carboxymethyl cellulose, crosslinking
Agent, plasticizer, polytetrafluoroethylene (PTFE), polyamide wax, Mullite Powder and ageing-resistant composition are mixed；
Step（3）：The step（2）Mixing is carried out after mixing, smelting temperature is 100 DEG C, mixing time 30min, is obtained
Even colloid mixture；
Step（4）：Mill is carried out to colloid mixture, and benzoyl peroxide and cumyl peroxide is added, the peroxide
The addition for changing benzoyl and cumyl peroxide is respectively the 2% of the epoxy glue scale of construction, is kneaded 20min, you can.
Embodiment 3
The novel flame-retardant cable material for photovoltaic system includes the raw material of following parts by weight：43 parts of butadiene rubber, chlorine
31 parts of buna, 7 parts of coumarone indene resin, 6 parts of glass fibre, 5 parts of fire retardant, 11 parts of carboxymethyl cellulose, 0.9 part of crosslinking agent,
16 parts of 1.1 parts of plasticizer, 5 parts of polytetrafluoroethylene (PTFE), 8 parts of polyamide wax, 7 parts of Mullite Powder and ageing-resistant composition；
The fire retardant includes carbon containing fire retardant and carbon compound, and the carbon containing fire retardant and carbon compound are by Polycarbosilane
It is combined as bonding agent；
The ingredient of the ageing-resistant composition includes：Nano-graphene, film forming agent, solvent, auxiliary agent, the film forming agent are polyethers acyl
The mixture of imines, polyurethane and epoxy resin, the solvent are the mixture of N-methyl pyrrolidones, water and n-butanol, institute
State the mixture that auxiliary agent is dibutyl phthalate, ethylenediamine and methylethyl ketoxime.
Preferably, the ingredient of the ageing-resistant composition includes：30 parts of film forming agent, 14 parts of solvent, nano-graphite
6 parts of alkene, 2 parts of auxiliary agent.
Preferably, the preparation method of the ageing-resistant composition is：By the nano-graphene, film forming agent, molten
After agent, auxiliary agent mixing, ultrasonic disperse 10min, you can.
Preferably, the carbon containing fire retardant is the mixing of aluminium carbon fire retardant, magnesium carbon fire retardant and zirconium carbon fire retardant
Object.
Preferably, the aluminium carbon fire retardant is the mixture of aluminium oxide aggregate and alumina powder, the oxidation
The mass ratio of aluminium aggregate and alumina powder is 12:1.
Preferably, the magnesium carbon fire retardant is the mixture of magnesia aggregate and magnesia powder, the oxidation
The mass ratio of magnesium aggregate and magnesia powder is 14:1.
Preferably, the zirconium carbon fire retardant is the mixture of zirconium oxide aggregate and zirconium oxide powder, the oxidation
The mass ratio of zirconium aggregate and zirconium oxide powder is 15:1.
The preparation of the novel flame-retardant cable material for photovoltaic system provided according to another aspect of the present invention
Method includes the following steps：
Step（1）：Raw material is weighed according to parts by weight proportioning：Butadiene rubber, neoprene, coumarone indene resin, glass fibre, resistance
Fire agent, carboxymethyl cellulose, crosslinking agent, plasticizer, polytetrafluoroethylene (PTFE), polyamide wax, Mullite Powder and ageing-resistant composition；
Step（2）：By butadiene rubber, neoprene, coumarone indene resin, glass fibre, fire retardant, carboxymethyl cellulose, crosslinking
Agent, plasticizer, polytetrafluoroethylene (PTFE), polyamide wax, Mullite Powder and ageing-resistant composition are mixed；
Step（3）：The step（2）Mixing is carried out after mixing, smelting temperature is 105 DEG C, mixing time 26min, is obtained
Even colloid mixture；
Step（4）：Mill is carried out to colloid mixture, and benzoyl peroxide and cumyl peroxide is added, the peroxide
The addition for changing benzoyl and cumyl peroxide is respectively the 5% of the epoxy glue scale of construction, is kneaded 14min, you can.
Performance test：
Performance is measured after the cable material of embodiment 1-3 is prepared into cable with conventional method, while taking commercially available common cable
Make to ratio, test result is shown in Table 1.
Cable flame retardance passes through VW-1 vertical burn tests made from cable material by the present invention.
1 test result list of table
| Project | VW-1 vertical combustions |
| Embodiment 1 | It is qualified |
| Embodiment 2 | It is qualified |
| Embodiment 3 | It is qualified |
| Comparative example | It is unqualified |
It can be seen that cable material provided by the invention, better than general cable material flame retardant property, there is significant fire-retardant work
With being worthy of popularization.
Specific embodiments of the present invention are described above.It is to be appreciated that the invention is not limited in above-mentioned
Particular implementation, those skilled in the art can make various deformations or amendments within the scope of the claims, this not shadow
Ring the substantive content of the present invention.
Claims (8)
1. a kind of novel flame-retardant cable material for photovoltaic system, it is characterised in that：The novel resistance for photovoltaic system
Combustion cable material includes the raw material of following parts by weight：38-53 parts of butadiene rubber, 28-41 parts of neoprene, coumarone indene resin 5-
12 parts, 2-8 parts of glass fibre, 2-12 parts of fire retardant, 7-15 parts of carboxymethyl cellulose, 0.7-1.8 parts of crosslinking agent, plasticizer 0.7-
2.1 parts, 2-8 parts of polytetrafluoroethylene (PTFE), 2-15 parts of polyamide wax, 3-9 parts of Mullite Powder and composition 13-19 parts ageing-resistant；
The fire retardant includes carbon containing fire retardant and carbon compound, and the carbon containing fire retardant and carbon compound are by Polycarbosilane
It is combined as bonding agent；
The ingredient of the ageing-resistant composition includes：Nano-graphene, film forming agent, solvent, auxiliary agent, the film forming agent are polyethers acyl
The mixture of imines, polyurethane and epoxy resin, the solvent are the mixture of N-methyl pyrrolidones, water and n-butanol, institute
State the mixture that auxiliary agent is dibutyl phthalate, ethylenediamine and methylethyl ketoxime.
2. the novel flame-retardant cable material according to claim 1 for photovoltaic system, it is characterised in that：It is described ageing-resistant
The ingredient of composition includes：20-60 parts of film forming agent, 10-20 parts of solvent, 0.1-20 parts of nano-graphene, 0.1-5 parts of auxiliary agent.
3. the novel flame-retardant cable material according to claim 1 for photovoltaic system, it is characterised in that：It is described ageing-resistant
The preparation method of composition is：After the nano-graphene, film forming agent, solvent, auxiliary agent are mixed, ultrasonic disperse 5-20min, i.e.,
It can.
4. the novel flame-retardant cable material according to claim 1 for photovoltaic system, it is characterised in that：The carbon containing resistance
Combustion agent is the mixture of aluminium carbon fire retardant, magnesium carbon fire retardant and zirconium carbon fire retardant.
5. the novel flame-retardant cable material according to claim 4 for photovoltaic system, it is characterised in that：The aluminium carbon resistance
Agent is fired for the mixture of aluminium oxide aggregate and alumina powder, and the mass ratio of the aluminium oxide aggregate and alumina powder is 10-
13:1。
6. the novel flame-retardant cable material according to claim 4 for photovoltaic system, it is characterised in that：The magnesium carbon resistance
Agent is fired for the mixture of magnesia aggregate and magnesia powder, and the mass ratio of the magnesia aggregate and magnesia powder is 11-
15:1。
7. the novel flame-retardant cable material according to claim 4 for photovoltaic system, it is characterised in that：The zirconium carbon resistance
Agent is fired for the mixture of zirconium oxide aggregate and zirconium oxide powder, and the mass ratio of the zirconium oxide aggregate and zirconium oxide powder is 13-
17:1。
8. the preparation method according to claim 1-7 any one of them for the novel flame-retardant cable material of photovoltaic system,
It is characterized in that：Include the following steps：
Step（1）：Raw material is weighed according to parts by weight proportioning：Butadiene rubber, neoprene, coumarone indene resin, glass fibre, resistance
Fire agent, carboxymethyl cellulose, crosslinking agent, plasticizer, polytetrafluoroethylene (PTFE), polyamide wax, Mullite Powder and ageing-resistant composition；
Step（2）：By butadiene rubber, neoprene, coumarone indene resin, glass fibre, fire retardant, carboxymethyl cellulose, crosslinking
Agent, plasticizer, polytetrafluoroethylene (PTFE), polyamide wax, Mullite Powder and ageing-resistant composition are mixed；
Step（3）：The step（2）Mixing is carried out after mixing, smelting temperature is 100-110 DEG C, mixing time 25-
30min obtains uniform colloid mixture；
Step（4）：Mill is carried out to colloid mixture, and benzoyl peroxide and cumyl peroxide is added, the peroxide
The addition of change benzoyl and cumyl peroxide is respectively the 2-7% of the epoxy glue scale of construction, is kneaded 10-20min, you can.
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| CN201810113696.7A CN108299691A (en) | 2018-02-05 | 2018-02-05 | A kind of novel flame-retardant cable material and preparation method for photovoltaic system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109233277A (en) * | 2018-08-15 | 2019-01-18 | 安徽电缆股份有限公司 | A kind of charging system for electric automobile high ductibility cable material and preparation method thereof |
| CN112456884A (en) * | 2020-12-07 | 2021-03-09 | 绵竹市铸诚混凝土有限公司 | Preparation method of light-transmitting concrete and light-transmitting concrete |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109233277A (en) * | 2018-08-15 | 2019-01-18 | 安徽电缆股份有限公司 | A kind of charging system for electric automobile high ductibility cable material and preparation method thereof |
| CN112456884A (en) * | 2020-12-07 | 2021-03-09 | 绵竹市铸诚混凝土有限公司 | Preparation method of light-transmitting concrete and light-transmitting concrete |
| CN112456884B (en) * | 2020-12-07 | 2022-02-11 | 绵竹市铸诚混凝土有限公司 | Preparation method of light-transmitting concrete and light-transmitting concrete |
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