CN112300483A - Halogen-free cable material formula for cable production - Google Patents
Halogen-free cable material formula for cable production Download PDFInfo
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- CN112300483A CN112300483A CN202011348280.7A CN202011348280A CN112300483A CN 112300483 A CN112300483 A CN 112300483A CN 202011348280 A CN202011348280 A CN 202011348280A CN 112300483 A CN112300483 A CN 112300483A
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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
- 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
- C08L23/08—Copolymers of ethene
- C08L23/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
- C08L23/0853—Vinylacetate
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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
- 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
- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
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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
- C08L2201/22—Halogen free composition
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
- C08L2203/202—Applications use in electrical or conductive gadgets use in electrical wires or wirecoating
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
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- Spectroscopy & Molecular Physics (AREA)
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Abstract
The invention discloses a halogen-free cable material formula for cable production, which comprises 35-45 parts of EVA material, 10-15 parts of LDPE material, 5-7 parts of magnesium chloride hexahydrate, 0.5-1 part of antioxidant, 3-5 parts of medical stone powder, 4-9 parts of flame retardant, 0.5-2 parts of coupling agent, 2-3.5 parts of stabilizer, 2-4 parts of corrosion resistant agent, 3-4 parts of carbon black and 6-8 parts of auxiliary agent, wherein the production process of the halogen-free cable material comprises the following steps: s1, preparation of raw materials and processing equipment, preparing various materials for preparing the halogen-free cable, placing the materials into a storage device for standby, and preparing the equipment required for processing. The formula of the halogen-free cable material for cable production is adopted, an EVA material and an LDPE material are used as base materials, the produced material is good in using effect, meanwhile, the corrosion resistance agent is added, the corrosion resistance effect of the cable material is improved, the service life is prolonged, and the use effect is excellent by using the medical stone powder with the particle size.
Description
Technical Field
The invention relates to the technical field of cable production, in particular to a formula of a halogen-free cable material for cable production.
Background
The cable is an electric energy or signal transmission device, and generally comprises several or several groups of conducting wires, and the cable comprises a power cable, a control cable, a compensation cable, a shielding cable, a high-temperature cable, a computer cable, a signal cable, a coaxial cable, a fire-resistant cable, a marine cable, a mining cable, an aluminum alloy cable and the like. The plastic used for the insulation and the sheath of the electric wire and the electric cable is commonly called as a cable material, and comprises various varieties such as rubber, plastic, nylon and the like. The cable material production enterprises take cable production enterprises as users, and have the market of cable materials as long as the requirements of wires and cables are met. The wire and cable products almost need an insulating layer opening except bare wire products such as steel-cored aluminum stranded wires, electromagnetic wires and the like, and the halogen-free cable material is a cable material with low halogen discharge amount when being heated; in the formula of the traditional halogen-free cable material, the components and the components are simple, the using effect is general after the cable material is prepared into the outer layer of the cable, and certain limitation exists in the using process.
Disclosure of Invention
The invention mainly aims to provide a formula of a halogen-free cable material for cable production, which can effectively solve the problems in the background technology.
In order to achieve the purpose, the invention adopts the technical scheme that:
a formula of a halogen-free cable material for cable production comprises 35-45 parts of EVA material, 10-15 parts of LDPE material, 5-7 parts of magnesium chloride hexahydrate, 0.5-1 part of antioxidant, 3-5 parts of medical stone powder, 4-9 parts of flame retardant, 0.5-2 parts of coupling agent, 2-3.5 parts of stabilizer, 2-4 parts of corrosion inhibitor, 3-4 parts of carbon black and 6-8 parts of auxiliary agent, and the production process of the halogen-free cable material comprises the following steps:
s1, preparing raw materials and processing equipment, preparing various materials for preparing the halogen-free cable, putting the materials into a storage device for later use, and preparing the equipment required during processing;
s2, preparing medical stone powder, namely, feeding medical stone into a calcining furnace for calcining, taking out the calcined medical stone for crushing, screening the crushed particles until the particles with the required particle size are obtained, washing the particles with water, and drying the washed particles to obtain the medical stone powder;
s3, preparing a mixed material, namely after the step S2 is finished, putting an EVA material into a mixing and stirring device by a worker according to a proportion, sequentially adding a certain amount of LDPE material, magnesium chloride hexahydrate, medical stone powder and a coupling agent into the mixing and stirring device, and performing first mixing by using the mixing and stirring device to prepare the mixed material;
s4, adding a flame retardant and an auxiliary agent, transferring the mixed material to a temperature-adjusting mixing device after the mixed material is prepared, adding the flame retardant and the auxiliary agent into the temperature-adjusting mixing device, and mixing the materials by using the temperature-adjusting mixing device;
s5, adding a stabilizer, an antioxidant and a corrosion resistant agent, after the step S4 is completed, respectively selecting a certain amount of the stabilizer, the antioxidant and the corrosion resistant agent by a worker, setting the working temperature of a temperature-adjusting mixing device, then sequentially adding the stabilizer, the antioxidant and the corrosion resistant agent into the temperature-adjusting mixing device, and stirring and mixing at the set temperature;
s6, adding carbon black, adding a proper amount of carbon black into the temperature-adjusting mixing device while the step S5 is carried out, and coloring the whole mixture by using the carbon black;
s7, carrying out internal mixing on the mixture, transferring the obtained mixture into an internal mixer after the step S6 is completed, and carrying out internal mixing on the mixture by using the internal mixer to prepare an internal mixture;
s8, drying, namely putting the internal mixing material prepared in the step S7 into a drying chamber, and drying the internal mixing material;
and S9, preparing a finished product, namely adding the dried material into a screw extruder, and mixing and granulating by using the screw extruder to prepare the finished cable material.
Preferably, the EVA material is 40 parts, the LDPE material is 10 parts, the LDPE material is produced by a high pressure method, and the magnesium chloride hexahydrate is 7 parts.
Preferably, the antioxidant accounts for 0.7 part, the antioxidant is a free radical scavenging antioxidant, the flame retardant accounts for 5 parts, the flame retardant is an additive flame retardant, and the additive flame retardant comprises tributyl phosphate of alkyl phosphate esters, toluene-diphenyl phosphate of aryl phosphate esters and tricresyl phosphate, wherein the tributyl phosphate, the toluene-diphenyl phosphate and the tricresyl phosphate have the following components in a ratio of 3: 2: 2.
preferably, the coupling agent is a silane coupling agent, the coupling agent accounts for 1.5 parts, and the coupling agent comprises vinyl and epoxy groups, wherein the ratio of the vinyl to the epoxy groups is 1: 1.5, the stabilizing agent is sulfite, and the part of the stabilizing agent is 3 parts.
Preferably, the corrosion-resistant agent is aluminum hydroxide, the corrosion-resistant agent accounts for 3 parts, the carbon black accounts for 4 parts, the auxiliary agent accounts for 8 parts, the auxiliary agent comprises a polymerization auxiliary agent and a filler auxiliary agent, and the polymerization auxiliary agent and the filler auxiliary agent are mixed according to a ratio of 2: 7.
preferably, in the step S2, the calcining temperature is 750 ℃ and the calcining time is 2 hours when preparing the medical stone powder, and the device used for screening is 320 mesh sieve.
Preferably, in step S5, the operating temperature of the temperature regulating and mixing device is 80 ℃, and the operating time of the temperature regulating and mixing device is 1.5 h.
Preferably, in S6, the carbon black used is a colored carbon black, and the particle size of the colored carbon black is 20 nm.
Preferably, in the S8, the drying temperature of the drying chamber is 150 ℃, and the drying time is 2.5 h.
Compared with the prior art, the invention has the following beneficial effects: by adopting the formula, the EVA material and the LDPE material are used as base materials, the produced material has good use effect, meanwhile, the corrosion resistance agent is added, the corrosion resistance effect of the cable material is improved, the service life is prolonged, and the medical stone powder with the particle size has excellent use effect.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
A formula of a halogen-free cable material for cable production comprises 35-45 parts of EVA material, 10-15 parts of LDPE material, 5-7 parts of magnesium chloride hexahydrate, 0.5-1 part of antioxidant, 3-5 parts of medical stone powder, 4-9 parts of flame retardant, 0.5-2 parts of coupling agent, 2-3.5 parts of stabilizer, 2-4 parts of corrosion inhibitor, 3-4 parts of carbon black and 6-8 parts of auxiliary agent, and the production process of the halogen-free cable material comprises the following steps:
s1, preparing raw materials and processing equipment, preparing various materials for preparing the halogen-free cable, putting the materials into a storage device for later use, and preparing the equipment required during processing;
s2, preparing medical stone powder, namely, feeding medical stone into a calcining furnace for calcining, taking out the calcined medical stone for crushing, screening the crushed particles until the particles with the required particle size are obtained, washing the particles with water, and drying the washed particles to obtain the medical stone powder;
s3, preparing a mixed material, namely after the step S2 is finished, putting an EVA material into a mixing and stirring device by a worker according to a proportion, sequentially adding a certain amount of LDPE material, magnesium chloride hexahydrate, medical stone powder and a coupling agent into the mixing and stirring device, and performing first mixing by using the mixing and stirring device to prepare the mixed material;
s4, adding a flame retardant and an auxiliary agent, transferring the mixed material to a temperature-adjusting mixing device after the mixed material is prepared, adding the flame retardant and the auxiliary agent into the temperature-adjusting mixing device, and mixing the materials by using the temperature-adjusting mixing device;
s5, adding a stabilizer, an antioxidant and a corrosion resistant agent, after the step S4 is completed, respectively selecting a certain amount of the stabilizer, the antioxidant and the corrosion resistant agent by a worker, setting the working temperature of a temperature-adjusting mixing device, then sequentially adding the stabilizer, the antioxidant and the corrosion resistant agent into the temperature-adjusting mixing device, and stirring and mixing at the set temperature;
s6, adding carbon black, adding a proper amount of carbon black into the temperature-adjusting mixing device while the step S5 is carried out, and coloring the whole mixture by using the carbon black;
s7, carrying out internal mixing on the mixture, transferring the obtained mixture into an internal mixer after the step S6 is completed, and carrying out internal mixing on the mixture by using the internal mixer to prepare an internal mixture;
s8, drying, namely putting the internal mixing material prepared in the step S7 into a drying chamber, and drying the internal mixing material;
and S9, preparing a finished product, namely adding the dried material into a screw extruder, and mixing and granulating by using the screw extruder to prepare the finished cable material.
The high-pressure-resistant LDPE material comprises 40 parts of EVA material and 10 parts of LDPE material, and is produced by a high-pressure method, and 7 parts of magnesium chloride hexahydrate; the flame retardant is an additive type flame retardant, and comprises tributyl phosphate of alkyl phosphate esters, toluene-diphenyl phosphate of aryl phosphate esters and tricresyl phosphate, wherein the ratio of the tributyl phosphate to the toluene-diphenyl phosphate to the tricresyl phosphate is 3: 2: 2; the coupling agent is a silane coupling agent, the parts of the coupling agent are 1.5 parts, the coupling agent comprises vinyl and epoxy, and the ratio of the vinyl to the epoxy is 1: 1.5, the stabilizing agent is sulfite, and the part of the stabilizing agent is 3 parts; the corrosion-resistant agent is aluminum hydroxide, the corrosion-resistant agent accounts for 3 parts, the carbon black accounts for 4 parts, the auxiliary agent accounts for 8 parts, the auxiliary agent comprises a polymerization auxiliary agent and a filler auxiliary agent, and the polymerization auxiliary agent and the filler auxiliary agent are 2: 7; in step S2, during the preparation of the medical stone powder, the calcining temperature is 750 ℃, the calcining time is 2 hours, and a device used for screening is a 320-mesh sieve; in the step S5, the working temperature of the temperature-adjusting mixing device is 80 ℃, and the working time of the temperature-adjusting mixing device is 1.5 h; in S6, the carbon black is colored carbon black, and the particle fineness of the colored carbon black is 20 nm; in S8, the drying temperature of the drying chamber is 150 ℃, and the drying time is 2.5 h.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. A formula of a halogen-free cable material for cable production is characterized in that: the halogen-free cable material comprises 35-45 parts of EVA material, 10-15 parts of LDPE material, 5-7 parts of magnesium chloride hexahydrate, 0.5-1 part of antioxidant, 3-5 parts of medical stone powder, 4-9 parts of flame retardant, 0.5-2 parts of coupling agent, 2-3.5 parts of stabilizer, 2-4 parts of corrosion resistant agent, 3-4 parts of carbon black and 6-8 parts of auxiliary agent, and the production process of the halogen-free cable material comprises the following steps:
s1, preparing raw materials and processing equipment, preparing various materials for preparing the halogen-free cable, putting the materials into a storage device for later use, and preparing the equipment required during processing;
s2, preparing medical stone powder, namely, feeding medical stone into a calcining furnace for calcining, taking out the calcined medical stone for crushing, screening the crushed particles until the particles with the required particle size are obtained, washing the particles with water, and drying the washed particles to obtain the medical stone powder;
s3, preparing a mixed material, namely after the step S2 is finished, putting an EVA material into a mixing and stirring device by a worker according to a proportion, sequentially adding a certain amount of LDPE material, magnesium chloride hexahydrate, medical stone powder and a coupling agent into the mixing and stirring device, and performing first mixing by using the mixing and stirring device to prepare the mixed material;
s4, adding a flame retardant and an auxiliary agent, transferring the mixed material to a temperature-adjusting mixing device after the mixed material is prepared, adding the flame retardant and the auxiliary agent into the temperature-adjusting mixing device, and mixing the materials by using the temperature-adjusting mixing device;
s5, adding a stabilizer, an antioxidant and a corrosion resistant agent, after the step S4 is completed, respectively selecting a certain amount of the stabilizer, the antioxidant and the corrosion resistant agent by a worker, setting the working temperature of a temperature-adjusting mixing device, then sequentially adding the stabilizer, the antioxidant and the corrosion resistant agent into the temperature-adjusting mixing device, and stirring and mixing at the set temperature;
s6, adding carbon black, adding a proper amount of carbon black into the temperature-adjusting mixing device while the step S5 is carried out, and coloring the whole mixture by using the carbon black;
s7, carrying out internal mixing on the mixture, transferring the obtained mixture into an internal mixer after the step S6 is completed, and carrying out internal mixing on the mixture by using the internal mixer to prepare an internal mixture;
s8, drying, namely putting the internal mixing material prepared in the step S7 into a drying chamber, and drying the internal mixing material;
and S9, preparing a finished product, namely adding the dried material into a screw extruder, and mixing and granulating by using the screw extruder to prepare the finished cable material.
2. The halogen-free cable material formula for cable production according to claim 1, wherein the halogen-free cable material formula comprises: the EVA material is 40 parts, the LDPE material is 10 parts, the LDPE material is produced by a high pressure method, and the magnesium chloride hexahydrate is 7 parts.
3. The halogen-free cable material formula for cable production according to claim 1, wherein the halogen-free cable material formula comprises: the flame retardant is an additive type flame retardant, and comprises tributyl phosphate of alkyl phosphate esters, toluene-diphenyl phosphate of aryl phosphate esters and tricresyl phosphate, wherein the ratio of the tributyl phosphate to the toluene-diphenyl phosphate and the tricresyl phosphate is 3: 2: 2.
4. the halogen-free cable material formula for cable production according to claim 1, wherein the halogen-free cable material formula comprises: the coupling agent is a silane coupling agent, the coupling agent accounts for 1.5 parts, and the coupling agent comprises vinyl and epoxy groups, wherein the ratio of the vinyl to the epoxy groups is 1: 1.5, the stabilizing agent is sulfite, and the part of the stabilizing agent is 3 parts.
5. The halogen-free cable material formula for cable production according to claim 1, wherein the halogen-free cable material formula comprises: the corrosion-resistant agent is aluminum hydroxide, the corrosion-resistant agent accounts for 3 parts, the carbon black accounts for 4 parts, the auxiliary agent accounts for 8 parts, the auxiliary agent comprises a polymerization auxiliary agent and a filler auxiliary agent, and the polymerization auxiliary agent and the filler auxiliary agent have the following component ratio of 2: 7.
6. the halogen-free cable material formula for cable production according to claim 1, wherein the halogen-free cable material formula comprises: in the step S2, when preparing the medical stone powder, the calcining temperature is 750 ℃, the calcining time is 2 hours, and the device used for screening is a 320-mesh sieve.
7. The halogen-free cable material formula for cable production according to claim 1, wherein the halogen-free cable material formula comprises: in the step S5, the working temperature of the temperature-adjusting mixing device is 80 ℃, and the working time of the temperature-adjusting mixing device is 1.5 h.
8. The halogen-free cable material formula for cable production according to claim 1, wherein the halogen-free cable material formula comprises: in the above S6, the carbon black used was colored carbon black, and the particle fineness of the colored carbon black was 20 nm.
9. The halogen-free cable material formula for cable production according to claim 1, wherein the halogen-free cable material formula comprises: in the S8, the drying temperature of the drying chamber is 150 ℃, and the drying time is 2.5 h.
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| CN202011348280.7A CN112300483A (en) | 2020-11-26 | 2020-11-26 | Halogen-free cable material formula for cable production |
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| CN202011348280.7A CN112300483A (en) | 2020-11-26 | 2020-11-26 | Halogen-free cable material formula for cable production |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115109404A (en) * | 2022-07-06 | 2022-09-27 | 浙江亘古电缆股份有限公司 | Phosphorus-nitrogen expansion type halogen-free cable material and preparation method thereof |
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| CN105885190A (en) * | 2016-05-18 | 2016-08-24 | 无为县金华电缆材料有限公司 | Low-smoke zero-halogen cable material formula |
| CN107857976A (en) * | 2017-11-30 | 2018-03-30 | 国网河南省电力公司南阳供电公司 | A kind of electric power infrastructure erosion resisting insulation material |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103524856A (en) * | 2013-10-31 | 2014-01-22 | 合肥得润电子器件有限公司 | Polyethylene insulation material for ozone resistant communication device wiring harness |
| CN105885190A (en) * | 2016-05-18 | 2016-08-24 | 无为县金华电缆材料有限公司 | Low-smoke zero-halogen cable material formula |
| CN107857976A (en) * | 2017-11-30 | 2018-03-30 | 国网河南省电力公司南阳供电公司 | A kind of electric power infrastructure erosion resisting insulation material |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115109404A (en) * | 2022-07-06 | 2022-09-27 | 浙江亘古电缆股份有限公司 | Phosphorus-nitrogen expansion type halogen-free cable material and preparation method thereof |
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