CN113943459A - Preparation method of oil-resistant flame-retardant cable material - Google Patents
Preparation method of oil-resistant flame-retardant cable material Download PDFInfo
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- CN113943459A CN113943459A CN202111150433.1A CN202111150433A CN113943459A CN 113943459 A CN113943459 A CN 113943459A CN 202111150433 A CN202111150433 A CN 202111150433A CN 113943459 A CN113943459 A CN 113943459A
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/16—Elastomeric ethene-propene or ethene-propene-diene copolymers, e.g. EPR and EPDM rubbers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/28—Treatment by wave energy or particle radiation
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- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/04—Homopolymers or copolymers of ethene
- C08L23/06—Polyethene
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- C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
- C08L75/04—Polyurethanes
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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
- H01B3/302—Polyurethanes or polythiourethanes; Polyurea or polythiourea
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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
- H01B3/44—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 vinyl resins; acrylic resins
- H01B3/441—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 vinyl resins; acrylic resins from alkenes
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- C—CHEMISTRY; METALLURGY
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- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/04—Homopolymers or copolymers of ethene
- C08J2323/06—Polyethene
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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
- C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2323/16—Ethene-propene or ethene-propene-diene copolymers
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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
- C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
- C08J2375/04—Polyurethanes
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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
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- 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
- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
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- C—CHEMISTRY; METALLURGY
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- 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
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/062—HDPE
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Abstract
The invention relates to the technical field of cable material preparation, and particularly discloses a preparation method of an oil-resistant flame-retardant cable material, which comprises the steps of preparing a flame retardant, mixing an aluminum source, a magnesium source, sodium hydroxide and sodium carbonate, putting the mixture into a stainless steel pot filled with deionized water after mixing, stirring and reacting at 75-85 ℃ under normal pressure, and filtering, washing and drying a suspension after the suspension is precipitated and cooled to prepare a water flame retardant; preparing a base material, performing radiation crosslinking on the base material, placing the base material in an electron accelerator irradiation device, and irradiating for 15-30s at the radiation dose of 50-100kGy in a nitrogen environment under the conditions that the temperature is 35-40 ℃ and the pressure is 3-8MPa to obtain a cable material; the magnesium-aluminum composite flame retardant is prepared by a one-step method under normal pressure, has the functions of flame retardance and filling, does not generate toxic gas and corrosive gas during combustion, has the function of smoke suppression, and is non-toxic, non-volatile and low in cost.
Description
Technical Field
The invention relates to the technical field of cable material preparation, in particular to a preparation method of an oil-resistant flame-retardant cable material.
Background
The electric wire and the cable have the important functions of transmitting energy and information, are known as blood vessels and nerves of national economy, and occupy important positions in the national economy. The wire and cable products almost all need insulation layers except bare wire products such as steel wire stranded wires, and the wire and cable is the main application field of insulation materials. In the using process of the electric wire and the cable, the influence on the environment is more and more emphasized by the world, and the use of the non-environment-friendly cable is gradually forbidden. The cable is not separated from data transmission in the industrial, agricultural and commercial development processes, is an infrastructure for maintaining the overall working stability of the society, and can provide electric energy and power for related equipment, light for indoor use and the like. However, during the actual application of the cable, the cable may catch fire due to the influence of external factors and the cable itself. In the process, since the external insulating material of the cable releases toxic gas and dense smoke after burning, the loss of personnel or equipment can be caused, and the environment pollution condition can be caused. The existing cable material for preparing the cable has poor comprehensive performance and poor using effect, so that the preparation method of the oil-resistant flame-retardant cable material is provided.
Disclosure of Invention
The invention aims to provide a preparation method of an oil-resistant flame-retardant cable material, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a preparation method of an oil-resistant flame-retardant cable material comprises the following steps:
step 1: preparation of flame retardants
Mixing an aluminum source, a magnesium source, sodium hydroxide and sodium carbonate, putting the mixture into a stainless steel pot filled with deionized water after mixing, stirring and reacting at 75-85 ℃ under normal pressure, and filtering, washing and drying the suspension after the suspension is precipitated and cooled to prepare the water flame retardant;
step 2: preparation of the matrix Material
Mixing a flame retardant, an oil-resistant elastomer, titanium dioxide, vinyl bis stearamide, sodium hexametaphosphate, bisphenol A salicylate, ethylene glycol dimethacrylate, a polyurethane elastomer, trichloroethylene, an antioxidant and high-density polyethylene, placing the mixture into a torque rheometer, and blending and extruding to obtain a base material;
and step 3: radiation crosslinking of matrix materials
Placing the matrix material in an electron accelerator irradiation device, and irradiating for 15-30s at the radiation dose of 50-100kGy in a nitrogen environment at the temperature of 35-40 ℃ and the pressure of 3-8MPa to obtain the cable material.
Preferably, in step 1, the aluminum source is sodium metaaluminate and the magnesium source is magnesium chloride.
Preferably, the oil-resistant elastomer in the step 2 is ethylene propylene diene monomer.
Preferably, the flame retardant comprises the following raw materials in parts by weight: 18-32 parts of sodium metaaluminate, 2-7 parts of magnesium chloride, 2-5 parts of sodium hydroxide and 2-5 parts of sodium carbonate.
Preferably, the cable material comprises the following raw materials in parts by weight: 16-22 parts of flame retardant, 20-25 parts of oil-resistant elastomer, 5-9 parts of titanium dioxide, 5-9 parts of vinyl bis stearamide, 5-9 parts of sodium hexametaphosphate, 5-9 parts of bisphenol A salicylate, 5-9 parts of ethylene glycol dimethacrylate, 20-25 parts of polyurethane elastomer, 5-9 parts of trichloroethylene, 2-4 parts of antioxidant and 20-25 parts of high-density polyethylene.
The invention has the beneficial effects that: the oil-resistant flame-retardant cable material provided by the invention is prepared by adopting a one-step method under normal pressure, the prepared magnesium-aluminum composite flame retardant has the functions of flame retardance and filling, does not generate toxic gas and corrosive gas during combustion, has a smoke suppression function, is non-toxic, non-volatile and cheap, has a lower initial decomposition temperature section (about 200 ℃) of aluminum hydroxide and a higher initial decomposition temperature section (about 320 ℃) of magnesium hydroxide. The magnesium-aluminum composite flame retardant has the advantages that the initial decomposition temperature section has both a low temperature section and a high temperature section, the flame retardant temperature range is widened, the flame retardant has three functions of flame retardance, smoke abatement and filling, the advantages of aluminum hydroxide and magnesium hydroxide flame retardants are combined, and the respective defects are overcome; in the preparation of the base material, the oil-resistant elastomer, the polyurethane elastomer and the high-density polyethylene are used as the main base material of the cable material, so that the cable material has the performances of flame retardance, oil resistance, high strength and the like; the matrix material is placed in an electron accelerator irradiation device to be crosslinked, and the device has the characteristics of no damage, no toxicity, environmental protection, low energy consumption, simple and convenient operation, high automation degree, suitability for large-scale industrial production and the like, and has the advantages of concentrated and directional irradiation beams, full energy utilization, high irradiation efficiency and no radioactive waste.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments of the present invention, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1:
step 1: preparation of flame retardants
Mixing 18 parts of sodium metaaluminate, 2 parts of magnesium chloride, 2 parts of sodium hydroxide and 2 parts of sodium carbonate, putting the mixture into a stainless steel pot filled with 800ml of deionized water after mixing, stirring and reacting at 75 ℃ under normal pressure, and filtering, washing and drying the suspension after the suspension is precipitated and cooled to prepare a water flame retardant;
step 2: preparation of the matrix Material
Mixing 16 parts of flame retardant, 20 parts of oil-resistant elastomer, 5 parts of titanium dioxide, 5 parts of vinyl bis stearamide, 5 parts of sodium hexametaphosphate, 5 parts of bisphenol A salicylate, 5 parts of ethylene glycol dimethacrylate, 20 parts of polyurethane elastomer, 5 parts of trichloroethylene, 2 parts of antioxidant and 20 parts of high-density polyethylene, mixing, putting the mixture into a torque rheometer, and blending and extruding to obtain a base material;
and step 3: radiation crosslinking of matrix materials
And (3) placing the matrix material in an electron accelerator irradiation device, and irradiating for 15s at the radiation dose of 50kGy under the conditions of the temperature of 35 ℃ and the pressure of 3MPa in a nitrogen environment to obtain the cable material.
Example 2:
step 1: preparation of flame retardants
Mixing 21 parts of sodium metaaluminate, 3 parts of magnesium chloride, 3 parts of sodium hydroxide and 3 parts of sodium carbonate, putting the mixture into a stainless steel pot filled with 800ml of deionized water after mixing, stirring and reacting at 75 ℃ under normal pressure, and filtering, washing and drying the suspension after the suspension is precipitated and cooled to prepare a water flame retardant;
step 2: preparation of the matrix Material
Mixing 18 parts of flame retardant, 22 parts of oil-resistant elastomer, 6 parts of titanium dioxide, 6 parts of vinyl bis stearamide, 6 parts of sodium hexametaphosphate, 6 parts of bisphenol A salicylate, 6 parts of ethylene glycol dimethacrylate, 22 parts of polyurethane elastomer, 6 parts of trichloroethylene, 2 parts of antioxidant and 22 parts of high-density polyethylene, mixing, putting the mixture into a torque rheometer, and blending and extruding to obtain a base material;
and step 3: radiation crosslinking of matrix materials
Placing the matrix material in an electron accelerator irradiation device, and irradiating for 20s at the radiation dose of 70kGy under the conditions of the temperature of 36 ℃ and the pressure of 4MPa in a nitrogen environment to obtain the cable material.
Example 3:
step 1: preparation of flame retardants
Mixing 24 parts of sodium metaaluminate, 5 parts of magnesium chloride, 4 parts of sodium hydroxide and 4 parts of sodium carbonate, putting the mixture into a stainless steel pot filled with 800ml of deionized water after mixing, stirring and reacting at the normal pressure and the temperature of 80 ℃, and filtering, washing and drying the suspension after the suspension is precipitated and cooled to prepare the water flame retardant;
step 2: preparation of the matrix Material
Mixing and mixing 20 parts of flame retardant, 23 parts of oil-resistant elastomer, 7 parts of titanium dioxide, 7 parts of vinyl bis stearamide, 7 parts of sodium hexametaphosphate, 7 parts of bisphenol A salicylate, 7 parts of ethylene glycol dimethacrylate, 23 parts of polyurethane elastomer, 7 parts of trichloroethylene, 3 parts of antioxidant and 24 parts of high-density polyethylene, putting the mixture into a torque rheometer, and blending and extruding to obtain a base material;
and step 3: radiation crosslinking of matrix materials
And (3) placing the base material in an electron accelerator irradiation device, and irradiating for 15s at the radiation dose of 50kGy under the conditions of the temperature of 37 ℃ and the pressure of 5MPa in a nitrogen environment to obtain the cable material.
Example 4:
step 1: preparation of flame retardants
Mixing 28 parts of sodium metaaluminate, 6 parts of magnesium chloride, 5 parts of sodium hydroxide and 5 parts of sodium carbonate, putting the mixture into a stainless steel pot filled with 900ml of deionized water after mixing, stirring and reacting at 85 ℃ under normal pressure, and filtering, washing and drying the suspension after the suspension is precipitated and cooled to prepare a water flame retardant;
step 2: preparation of the matrix Material
Mixing 22 parts of flame retardant, 24 parts of oil-resistant elastomer, 8 parts of titanium dioxide, 8 parts of vinyl bis stearamide, 8 parts of sodium hexametaphosphate, 8 parts of bisphenol A salicylate, 8 parts of ethylene glycol dimethacrylate, 24 parts of polyurethane elastomer, 8 parts of trichloroethylene, 3 parts of antioxidant and 24 parts of high-density polyethylene, mixing, putting the mixture into a torque rheometer, and blending and extruding to obtain a base material;
and step 3: radiation crosslinking of matrix materials
The matrix material is placed in an electron accelerator irradiation device, and is irradiated for 30s at the radiation dose of 100kGy under the conditions of the temperature of 38 ℃ and the pressure of 4MPa in the nitrogen environment, so that the cable material is obtained.
Example 5:
step 1: preparation of flame retardants
Mixing 32 parts of sodium metaaluminate, 7 parts of magnesium chloride, 5 parts of sodium hydroxide and 5 parts of sodium carbonate, putting the mixture into a stainless steel pot filled with 1000ml of deionized water after mixing, stirring and reacting at 85 ℃ under normal pressure, and filtering, washing and drying the suspension after the suspension is precipitated and cooled to prepare a water flame retardant;
step 2: preparation of the matrix Material
Mixing 22 parts of flame retardant, 25 parts of oil-resistant elastomer, 9 parts of titanium dioxide, 9 parts of vinyl bis stearamide, 9 parts of sodium hexametaphosphate, 9 parts of bisphenol A salicylate, 9 parts of ethylene glycol dimethacrylate, 25 parts of polyurethane elastomer, 9 parts of trichloroethylene, 4 parts of antioxidant and 25 parts of high-density polyethylene, mixing, putting the mixture into a torque rheometer, and blending and extruding to obtain a base material;
and step 3: radiation crosslinking of matrix materials
Placing the matrix material in an electron accelerator irradiation device, and irradiating for 20s at the radiation dose of 80kGy under the conditions of the temperature of 35 ℃ and the pressure of 8MPa in a nitrogen environment to obtain the cable material.
The physical and chemical properties of the cable materials prepared in examples 1 to 5 were tested, and the test results were as follows:
the cable material has high resistance, and volume resistivity thereof is more than 2.5 multiplied by 10 under the environment of normal temperature and 20 DEG C12Omega/m, the flame-retardant oxygen index is more than or equal to 30 percent, the low-temperature embrittlement temperature reaches-20 ℃, and the thermal stability time at 200 ℃ is more than 70 min.
Physical and chemical properties of cable material
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. A preparation method of an oil-resistant flame-retardant cable material is characterized by comprising the following steps: the preparation method comprises the following steps:
step 1: preparation of flame retardants
Mixing an aluminum source, a magnesium source, sodium hydroxide and sodium carbonate, putting the mixture into a stainless steel pot filled with deionized water after mixing, stirring and reacting at 75-85 ℃ under normal pressure, and filtering, washing and drying the suspension after the suspension is precipitated and cooled to prepare the water flame retardant;
step 2: preparation of the matrix Material
Mixing a flame retardant, an oil-resistant elastomer, titanium dioxide, vinyl bis stearamide, sodium hexametaphosphate, bisphenol A salicylate, ethylene glycol dimethacrylate, a polyurethane elastomer, trichloroethylene, an antioxidant and high-density polyethylene, placing the mixture into a torque rheometer, and blending and extruding to obtain a base material;
and step 3: radiation crosslinking of matrix materials
Placing the matrix material in an electron accelerator irradiation device, and irradiating for 15-30s at the radiation dose of 50-100kGy in a nitrogen environment at the temperature of 35-40 ℃ and the pressure of 3-8MPa to obtain the cable material.
2. The preparation method of the oil-resistant flame-retardant cable material according to claim 1, characterized by comprising the following steps: in the step 1, an aluminum source is sodium metaaluminate, and a magnesium source is magnesium chloride.
3. The preparation method of the oil-resistant flame-retardant cable material according to claim 2, characterized by comprising the following steps: and in the step 2, the oil-resistant elastomer is ethylene propylene diene monomer.
4. The preparation method of the oil-resistant flame-retardant cable material according to claim 2, characterized by comprising the following steps:
the flame retardant comprises the following raw materials in parts by weight: 18-32 parts of sodium metaaluminate, 2-7 parts of magnesium chloride, 2-5 parts of sodium hydroxide and 2-5 parts of sodium carbonate.
5. The preparation method of the oil-resistant flame-retardant cable material according to any one of claims 1 to 4, characterized by comprising the following steps: the cable material comprises the following raw materials in parts by weight: 16-22 parts of flame retardant, 20-25 parts of oil-resistant elastomer, 5-9 parts of titanium dioxide, 5-9 parts of vinyl bis stearamide, 5-9 parts of sodium hexametaphosphate, 5-9 parts of bisphenol A salicylate, 5-9 parts of ethylene glycol dimethacrylate, 20-25 parts of polyurethane elastomer, 5-9 parts of trichloroethylene, 2-4 parts of antioxidant and 20-25 parts of high-density polyethylene.
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| CN202111150433.1A CN113943459A (en) | 2021-09-29 | 2021-09-29 | Preparation method of oil-resistant flame-retardant cable material |
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| CN202111150433.1A CN113943459A (en) | 2021-09-29 | 2021-09-29 | Preparation method of oil-resistant flame-retardant cable material |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106049161A (en) * | 2016-05-25 | 2016-10-26 | 西安电子科技大学 | Calcium carbonate and aluminum magnesium composite flame-retardant paper, and preparation method thereof |
| CN106589426A (en) * | 2016-12-23 | 2017-04-26 | 绵阳市长信电线电缆有限公司 | Irradiation crosslinking cable and preparation method thereof |
| CN106832876A (en) * | 2016-12-21 | 2017-06-13 | 柳州市昌泉贸易有限公司 | A kind of preparation method of oil resistant fire-resistant cable material |
-
2021
- 2021-09-29 CN CN202111150433.1A patent/CN113943459A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106049161A (en) * | 2016-05-25 | 2016-10-26 | 西安电子科技大学 | Calcium carbonate and aluminum magnesium composite flame-retardant paper, and preparation method thereof |
| CN106832876A (en) * | 2016-12-21 | 2017-06-13 | 柳州市昌泉贸易有限公司 | A kind of preparation method of oil resistant fire-resistant cable material |
| CN106589426A (en) * | 2016-12-23 | 2017-04-26 | 绵阳市长信电线电缆有限公司 | Irradiation crosslinking cable and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 安显慧: "基于镁铝水滑石原位合成制备阻燃纸", 《阻燃纸》 * |
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