CN114539689A - Preparation method of variable frequency cable - Google Patents
Preparation method of variable frequency cable Download PDFInfo
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- CN114539689A CN114539689A CN202210200839.4A CN202210200839A CN114539689A CN 114539689 A CN114539689 A CN 114539689A CN 202210200839 A CN202210200839 A CN 202210200839A CN 114539689 A CN114539689 A CN 114539689A
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L27/00—Compositions 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 a halogen; Compositions of derivatives of such polymers
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- C08L27/06—Homopolymers or copolymers of vinyl chloride
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
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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
- H01B3/443—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 vinylhalogenides or other halogenoethylenic compounds
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- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
- H01B7/2806—Protection against damage caused by corrosion
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- H—ELECTRICITY
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- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
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Abstract
A method for preparing a variable frequency cable comprises a cable core, a belting layer, a metal shielding layer, an isolation sleeve layer, an armor layer and an outer sheath layer prepared from an oil-resistant sheath material, wherein the cable core, the belting layer, the metal shielding layer, the isolation sleeve layer, the armor layer and the outer sheath layer are sequentially arranged from the center to the outside; the raw materials of the oil-resistant sheath material comprise PVC resin powder, fluorosilicone resin and dispersed polytetrafluoroethylene resin. The frequency conversion cable prepared by the preparation method of the frequency conversion cable meets various index performance conditions of the national standard of cable sheath materials, and the oil resistance of the frequency conversion cable is improved because the outer sheath layer contains PVC resin powder, fluorosilicone resin and dispersed polytetrafluoroethylene resin.
Description
Technical Field
The invention relates to the technical field of cables, in particular to a preparation method of a variable frequency cable.
Background
The variable frequency cable is generally used for a power transmission line of a variable frequency system, is widely applied to various industries such as industry, agriculture, military, scientific research and the like, and is more widely applied to industries such as papermaking, metallurgy, metal processing, mine, railway, food processing and the like. The frequency conversion cable is often used for under abominable operating mode condition, needs the frequency conversion cable often to have fine resistant oily performance, prevents that oil from to the corruption of cable frequency conversion cable, because oily cable frequency conversion cable surface fracture that leads to influences frequency conversion cable's performance, causes the interrupt of frequency conversion cable transmission, arouses the short circuit of electrical apparatus, causes the damage of electrical apparatus, leads to the shortening of frequency conversion cable's life.
Therefore, it is necessary to provide a method for preparing a variable frequency cable to solve the deficiencies of the prior art.
Disclosure of Invention
The invention aims to avoid the defects of the prior art and provides a preparation method of a variable frequency cable. The frequency conversion cable prepared by the preparation method of the frequency conversion cable is good in oil resistance effect.
The above object of the present invention is achieved by the following technical measures:
the preparation method of the variable frequency cable comprises a cable core, a belting layer, a metal shielding layer, an isolation jacket layer, an armor layer and an outer jacket layer which is prepared from an oil-resistant jacket material, wherein the cable core, the belting layer, the metal shielding layer, the isolation jacket layer, the armor layer and the outer jacket layer are sequentially arranged from the center to the outside.
The raw materials of the oil-resistant sheath material comprise PVC resin powder, fluorosilicone resin and dispersed polytetrafluoroethylene resin.
The cable core is including three thread, three protection lines and filling layer, three thread with three protection lines all are the triangle and arrange, and every the thread all with the protection line is adjacent, the filling layer fill in the thread with between the protection line, and in making the cable core periphery is round and tidy.
Each main line is formed by twisting a plurality of conductors.
Preferably, the main line and the protection line are coated with an insulating layer on the outer surface.
Preferably, the raw materials of the oil-resistant sheath material also comprise polyethylene wax, zirconium hydrogen phosphate, isotridecanol polyoxyethylene ether, 4, 5-epoxy tetrahydro phthalic acid di (2-ethylhexyl) ester, titanium carbide, stearic acid, nano calcium carbonate, an impact modifier and carbon black slurry.
In the oil-resistant sheath material, by weight,
PVC resin powder: 40-70 parts;
fluorine-silicon resin: 10-20 parts;
dispersing polytetrafluoroethylene resin: 5-25 parts;
polyethylene wax: 0.5 to 2.0 parts;
zirconium hydrogen phosphate: 1-4 parts;
isomeric tridecanol polyoxyethylene ethers: 1-3 parts;
4, 5-epoxy-tetrahydrophthalic acid di (2-ethylhexyl) ester: 5-20 parts of a stabilizer;
titanium carbide: 1-6 parts;
stearic acid: 0.1 to 0.2 portion;
nano calcium carbonate; 15-25 parts;
carbon black slurry: 1-4 parts;
impact modifier: 5 to 8 portions.
Further, in the oil-resistant sheath material, by weight,
PVC resin powder: 55-60 parts;
fluorine-silicon resin: 12-15 parts;
dispersing polytetrafluoroethylene resin: 10-15 parts;
polyethylene wax: 1.0 to 1.5 portions;
zirconium hydrogen phosphate: 2-3 parts;
isomeric tridecanol polyoxyethylene ethers: 2.0 to 2.5 portions;
4, 5-epoxy-tetrahydrophthalic acid di (2-ethylhexyl) ester: 10-15 parts;
titanium carbide: 3-4 parts;
stearic acid: 0.15 to 0.18 portion;
nano calcium carbonate; 18-22 parts;
carbon black slurry: 2-3 parts;
impact modifier: 6 to 7 portions.
Furthermore, in the oil-resistant sheath material, by weight,
PVC resin powder: 57.6 parts;
fluorine-silicon resin: 13.5 parts;
dispersing polytetrafluoroethylene resin: 12.5 parts;
polyethylene wax: 1.28 parts;
zirconium hydrogen phosphate: 2.6 parts;
isomeric tridecanol polyoxyethylene ethers: 2.4 parts;
4, 5-epoxy-tetrahydrophthalic acid di (2-ethylhexyl) ester: 12.6 parts;
titanium carbide: 3.4 parts;
stearic acid: 0.16 part;
nano calcium carbonate; 21 parts of (1);
carbon black slurry: 2.5 parts;
impact modifier: 6.3 parts.
Preferably, the impact modifier is nitrile rubber or butyl chloride rubber.
Preferably, the preparation of the oil-resistant sheath material comprises the following steps:
firstly, putting PVC resin powder, fluorosilicone resin, polyethylene wax, isomeric tridecanol polyoxyethylene ether, 4, 5-epoxy tetrahydro phthalic acid di (2-ethylhexyl) ester and dispersed polytetrafluoroethylene resin in a high-speed kneader, heating to 90-115 ℃, kneading and stirring for 8-15 min, and obtaining an intermediate material;
adding zirconium hydrogen phosphate, titanium carbide, stearic acid, nano calcium carbonate and carbon black slurry into the intermediate material, heating to 95-105 ℃, and continuously kneading and stirring for 5-8 min;
and step three, placing the mixture in a granulator, controlling the temperature to be 140-170 ℃, performing extrusion granulation, cutting and cooling to obtain the oil-resistant sheath material.
The preparation method of the variable frequency cable comprises a cable core, a belting layer, a metal shielding layer, an isolation jacket layer, an armor layer and an outer jacket layer prepared from an oil-resistant jacket material, wherein the cable core, the belting layer, the metal shielding layer, the isolation jacket layer, the armor layer and the outer jacket layer are sequentially arranged from the center to the outside; the raw materials of the oil-resistant sheath material comprise PVC resin powder, fluorosilicone resin and dispersed polytetrafluoroethylene resin. The frequency conversion cable prepared by the preparation method of the frequency conversion cable meets various index performance conditions of the national standard of cable sheath materials, and the oil resistance of the frequency conversion cable is improved because the outer sheath layer contains PVC resin powder, fluorosilicone resin and dispersed polytetrafluoroethylene resin.
Drawings
The invention is further illustrated by means of the attached drawings, the content of which is not in any way limiting.
Fig. 1 is a schematic cross-sectional view of a compression-molded cable with a steel core.
In fig. 1, there are included:
the main line 100, the protection line 200, the insulating layer 300, the filling layer 400, the belting layer 500, the metal shielding layer 600, the isolation jacket layer 700, the armor layer 800, and the outer jacket layer 900.
Detailed Description
The technical solution of the present invention is further illustrated by the following examples.
Example 1.
A method for preparing a variable frequency cable comprises a cable core, a belting layer 500, a metal shielding layer 600, an isolation sleeve layer 700, an armor layer 800 and an outer sheath layer 900 prepared from an oil-resistant sheath material, wherein the cable core, the belting layer 500, the metal shielding layer 600, the isolation sleeve layer 700, the armor layer 800 and the outer sheath layer 900 are sequentially arranged from the center to the outside. The raw materials of the oil-resistant sheath material comprise PVC resin powder, fluorosilicone resin and dispersed polytetrafluoroethylene resin.
The cable core is including three thread 100, three protection line 200 and filling layer 400, three thread 100 with three protection line 200 all are the triangle and arrange, and every thread 100 all with protection line 200 is adjacent, filling layer 400 fill in thread 100 with between the protection line 200, and in making the cable core periphery is round and complete. Each of the main lines 100 is formed by twisting a plurality of conductors. The outer surfaces of the main line 100 and the protection line 200 are covered with an insulating layer 300.
The raw materials of the oil-resistant sheath material also comprise polyethylene wax, zirconium hydrogen phosphate, isomeric tridecanol polyoxyethylene ether, 4, 5-epoxy tetrahydro phthalic acid di (2-ethylhexyl) ester, titanium carbide, stearic acid, nano calcium carbonate, an impact modifier and carbon black slurry.
In the oil-resistant sheath material, by weight,
PVC resin powder: 40-70 parts;
fluorine-silicon resin: 10-20 parts;
dispersing polytetrafluoroethylene resin: 5-25 parts;
polyethylene wax: 0.5 to 2.0 parts;
zirconium hydrogen phosphate: 1-4 parts;
isomeric tridecanol polyoxyethylene ethers: 1-3 parts;
4, 5-epoxy-tetrahydrophthalic acid di (2-ethylhexyl) ester: 5-20 parts of a stabilizer;
titanium carbide: 1-6 parts;
stearic acid: 0.1 to 0.2 portion;
nano calcium carbonate; 15-25 parts;
carbon black slurry: 1-4 parts;
impact modifier: 5 to 8 portions.
Wherein the impact modifier is butadiene-acrylonitrile rubber and butadiene-chlorine rubber.
The oil-resistant sheath material disclosed by the invention takes PVC resin powder, fluorosilicone resin and dispersed polytetrafluoroethylene resin as main materials, and has higher oil resistance under the matching action of zirconium hydrogen phosphate, isomeric tridecanol polyoxyethylene ether, 4, 5-epoxy tetrahydro di (2-ethylhexyl) phthalate and titanium carbide, and the 4, 5-epoxy tetrahydro di (2-ethylhexyl) phthalate simultaneously serves as a plasticizer and a stabilizing action of the oil-resistant sheath material, and the isomeric tridecanol polyoxyethylene ether can also improve the lubricity and compatibility of the oil-resistant sheath material during preparation.
The preparation method of the oil-resistant sheath material comprises the following steps:
firstly, putting PVC resin powder, fluorosilicone resin, polyethylene wax, isomeric tridecanol polyoxyethylene ether, 4, 5-epoxy tetrahydro phthalic acid di (2-ethylhexyl) ester and dispersed polytetrafluoroethylene resin in a high-speed kneader, heating to 90-115 ℃, kneading and stirring for 8-15 min, and obtaining an intermediate material;
adding zirconium hydrogen phosphate, titanium carbide, stearic acid, nano calcium carbonate and carbon black slurry into the intermediate material, heating to 95-105 ℃, and continuously kneading and stirring for 5-8 min;
and step three, placing the mixture in a granulator, controlling the temperature to be 140-170 ℃, performing extrusion granulation, cutting and cooling to obtain the oil-resistant sheath material.
The frequency conversion cable prepared by the preparation method of the frequency conversion cable meets various index performance conditions of the cable sheath material in national standard, and the oil resistance of the frequency conversion cable is improved because the outer sheath layer 900 contains PVC resin powder, fluorosilicone resin and dispersed polytetrafluoroethylene resin.
Example 2.
A method for preparing a variable frequency cable comprises a cable core, a belting layer 500, a metal shielding layer 600, an isolation sleeve layer 700, an armor layer 800 and an outer sheath layer 900 prepared from an oil-resistant sheath material, wherein the cable core, the belting layer 500, the metal shielding layer 600, the isolation sleeve layer 700, the armor layer 800 and the outer sheath layer 900 are sequentially arranged from the center to the outside. The raw materials of the oil-resistant sheath material comprise PVC resin powder, fluorosilicone resin and dispersed polytetrafluoroethylene resin.
The cable core is including three thread 100, three protection line 200 and filling layer 400, three thread 100 with three protection line 200 all are the triangle and arrange, and every thread 100 all with protection line 200 is adjacent, filling layer 400 fill in thread 100 with between the protection line 200, and in making the cable core periphery is round and complete. Each of the main lines 100 is formed by twisting a plurality of conductors. The outer surfaces of the main line 100 and the protection line 200 are covered with an insulating layer 300.
The raw materials of the oil-resistant sheath material also comprise polyethylene wax, zirconium hydrogen phosphate, isomeric tridecanol polyoxyethylene ether, 4, 5-epoxy tetrahydro phthalic acid di (2-ethylhexyl) ester, titanium carbide, stearic acid, nano calcium carbonate, an impact modifier and carbon black slurry.
In the oil-resistant sheath material, calculated by weight,
PVC resin powder: 55-60 parts;
fluorine-silicon resin: 12-15 parts;
dispersing polytetrafluoroethylene resin: 10-15 parts;
polyethylene wax: 1.0 to 1.5 portions;
zirconium hydrogen phosphate: 2-3 parts;
isomeric tridecanol polyoxyethylene ethers: 2.0 to 2.5 portions;
4, 5-epoxy-tetrahydrophthalic acid di (2-ethylhexyl) ester: 10-15 parts;
titanium carbide: 3-4 parts;
stearic acid: 0.15 to 0.18 portion;
nano calcium carbonate; 18-22 parts;
carbon black slurry: 2-3 parts;
impact modifier: 6 to 7 portions.
Wherein the impact modifier is butadiene-acrylonitrile rubber and butadiene-chlorine rubber.
The preparation method of the oil-resistant sheath material comprises the following steps:
firstly, putting PVC resin powder, fluorosilicone resin, polyethylene wax, isomeric tridecanol polyoxyethylene ether, 4, 5-epoxy tetrahydro phthalic acid di (2-ethylhexyl) ester and dispersed polytetrafluoroethylene resin in a high-speed kneader, heating to 95-110 ℃, kneading and stirring for 10-13 min to obtain an intermediate material;
adding zirconium hydrogen phosphate, titanium carbide, stearic acid, nano calcium carbonate and carbon black slurry into the intermediate material, heating to 100-103 ℃, and continuously kneading and stirring for 6-7 min;
and step three, placing the mixture in a granulator, controlling the temperature to be 150-165 ℃ for extrusion granulation, cutting and cooling to obtain the oil-resistant sheath material.
Compared with the embodiment 1, the oil resistance of the frequency conversion cable prepared by the method for preparing the frequency conversion cable is better than that of the embodiment 1.
Example 3.
A method for preparing a variable frequency cable comprises a cable core, a belting layer 500, a metal shielding layer 600, an isolation sleeve layer 700, an armor layer 800 and an outer sheath layer 900 prepared from an oil-resistant sheath material, wherein the cable core, the belting layer 500, the metal shielding layer 600, the isolation sleeve layer 700, the armor layer 800 and the outer sheath layer 900 are sequentially arranged from the center to the outside. The raw materials of the oil-resistant sheath material comprise PVC resin powder, fluorosilicone resin and dispersed polytetrafluoroethylene resin.
The cable core is including three thread 100, three protection line 200 and filling layer 400, three thread 100 with three protection line 200 all are the triangle and arrange, and every thread 100 all with protection line 200 is adjacent, filling layer 400 fill in thread 100 with between the protection line 200, and in making the cable core periphery is round and complete. Each of the main lines 100 is formed by twisting a plurality of conductors. The outer surfaces of the main line 100 and the protection line 200 are covered with an insulating layer 300.
The raw materials of the oil-resistant sheath material also comprise polyethylene wax, zirconium hydrogen phosphate, isomeric tridecanol polyoxyethylene ether, 4, 5-epoxy tetrahydro phthalic acid di (2-ethylhexyl) ester, titanium carbide, stearic acid, nano calcium carbonate, an impact modifier and carbon black slurry.
In the oil-resistant sheath material, by weight,
PVC resin powder: 57.6 parts;
fluorine-silicon resin: 13.5 parts;
dispersing polytetrafluoroethylene resin: 12.5 parts;
polyethylene wax: 1.28 parts;
zirconium hydrogen phosphate: 2.6 parts;
isomeric tridecanol polyoxyethylene ethers: 2.4 parts;
4, 5-epoxy-tetrahydrophthalic acid di (2-ethylhexyl) ester: 12.6 parts;
titanium carbide: 3.4 parts;
stearic acid: 0.16 part;
nano calcium carbonate; 21 parts of (1);
carbon black slurry: 2.5 parts;
impact modifier: 6.3 parts.
Wherein the impact modifier is butadiene-acrylonitrile rubber and butadiene-chlorine rubber.
The preparation method of the oil-resistant sheath material comprises the following steps:
firstly, putting PVC resin powder, fluorosilicone resin, polyethylene wax, isomeric tridecanol polyoxyethylene ether, 4, 5-epoxy tetrahydro phthalic acid di (2-ethylhexyl) ester and dispersed polytetrafluoroethylene resin in a high-speed kneader, heating to 107 ℃, kneading and stirring for 12min to obtain an intermediate material;
step two, adding zirconium hydrogen phosphate, titanium carbide, stearic acid, nano calcium carbonate and carbon black slurry into the intermediate material, heating to 102 ℃, and continuously kneading and stirring for 6.5 min;
and step three, placing the mixture in a granulator, controlling the temperature to be 162 ℃ for extrusion granulation, cutting and cooling to obtain the oil-resistant sheath material.
Compared with the embodiment 1, the oil resistance of the frequency conversion cable prepared by the method for preparing the frequency conversion cable is better than that of the embodiment 1.
Example 4.
A method for preparing a variable frequency cable comprises a cable core, a belting layer 500, a metal shielding layer 600, an isolation sleeve layer 700, an armor layer 800 and an outer sheath layer 900 prepared from an oil-resistant sheath material, wherein the cable core, the belting layer 500, the metal shielding layer 600, the isolation sleeve layer 700, the armor layer 800 and the outer sheath layer 900 are sequentially arranged from the center to the outside. The raw materials of the oil-resistant sheath material comprise PVC resin powder, fluorosilicone resin and dispersed polytetrafluoroethylene resin.
The cable core is including three thread 100, three protection line 200 and filling layer 400, three thread 100 with three protection line 200 all are the triangle and arrange, and every thread 100 all with protection line 200 is adjacent, filling layer 400 fill in thread 100 with between the protection line 200, and in making the cable core periphery is round and complete. Each of the main lines 100 is formed by twisting a plurality of conductors. The outer surfaces of the main line 100 and the protection line 200 are covered with an insulating layer 300.
The raw materials of the oil-resistant sheath material also comprise polyethylene wax, zirconium hydrogen phosphate, isomeric tridecanol polyoxyethylene ether, 4, 5-epoxy tetrahydro phthalic acid di (2-ethylhexyl) ester, titanium carbide, stearic acid, nano calcium carbonate, an impact modifier and carbon black slurry.
In the oil-resistant sheath material, calculated by weight,
PVC resin powder: 40 parts of a mixture;
fluorine-silicon resin: 10 parts of (A);
dispersing polytetrafluoroethylene resin: 5 parts of a mixture;
polyethylene wax: 0.5 part;
zirconium hydrogen phosphate: 1 part;
isomeric tridecanol polyoxyethylene ethers: 1 part;
4, 5-epoxy-tetrahydrophthalic acid di (2-ethylhexyl) ester: 5 parts of a mixture;
titanium carbide: 1 part;
stearic acid: 0.1 part;
nano calcium carbonate; 15 parts of (1);
carbon black slurry: 1 part;
impact modifier: 5 parts of the raw materials.
Wherein the impact modifier is butadiene-acrylonitrile rubber and butadiene-chlorine rubber.
The preparation method of the oil-resistant sheath material comprises the following steps:
firstly, putting PVC resin powder, fluorosilicone resin, polyethylene wax, isomeric tridecanol polyoxyethylene ether, 4, 5-epoxy tetrahydro phthalic acid di (2-ethylhexyl) ester and dispersed polytetrafluoroethylene resin in a high-speed kneader, heating to 107 ℃, kneading and stirring for 12min to obtain an intermediate material;
step two, adding zirconium hydrogen phosphate, titanium carbide, stearic acid, nano calcium carbonate and carbon black slurry into the intermediate material, heating to 102 ℃, and continuously kneading and stirring for 6.5 min;
and step three, placing the mixture in a granulator, controlling the temperature to be 162 ℃ for extrusion granulation, cutting and cooling to obtain the oil-resistant sheath material.
Compared with the embodiment 1, the oil resistance of the frequency conversion cable prepared by the method for preparing the frequency conversion cable is better than that of the embodiment 1.
Example 5.
A method for preparing a variable frequency cable comprises a cable core, a belting layer 500, a metal shielding layer 600, an isolation sleeve layer 700, an armor layer 800 and an outer sheath layer 900 prepared from an oil-resistant sheath material, wherein the cable core, the belting layer 500, the metal shielding layer 600, the isolation sleeve layer 700, the armor layer 800 and the outer sheath layer 900 are sequentially arranged from the center to the outside. The raw materials of the oil-resistant sheath material comprise PVC resin powder, fluorosilicone resin and dispersed polytetrafluoroethylene resin.
The cable core is including three thread 100, three protection line 200 and filling layer 400, three thread 100 with three protection line 200 all are the triangle and arrange, and every thread 100 all with protection line 200 is adjacent, filling layer 400 fill in thread 100 with between the protection line 200, and in making the cable core periphery is round and complete. Each of the main lines 100 is formed by twisting a plurality of conductors. The outer surfaces of the main line 100 and the protection line 200 are covered with an insulating layer 300.
The raw materials of the oil-resistant sheath material also comprise polyethylene wax, zirconium hydrogen phosphate, isomeric tridecanol polyoxyethylene ether, 4, 5-epoxy tetrahydro phthalic acid di (2-ethylhexyl) ester, titanium carbide, stearic acid, nano calcium carbonate, an impact modifier and carbon black slurry.
In the oil-resistant sheath material, by weight,
PVC resin powder: 40 parts of a mixture;
fluorine-silicon resin: 10 parts of (A);
dispersing polytetrafluoroethylene resin: 5 parts of a mixture;
polyethylene wax: 0.5 part;
zirconium hydrogen phosphate: 1 part;
isomeric tridecanol polyoxyethylene ethers: 1 part;
4, 5-epoxy-tetrahydrophthalic acid di (2-ethylhexyl) ester: 5 parts of a mixture;
titanium carbide: 1 part;
stearic acid: 0.1 part;
nano calcium carbonate; 15 parts of (1);
carbon black slurry: 1 part;
impact modifier: 5 parts of the raw materials.
Wherein the impact modifier is butadiene-acrylonitrile rubber and butadiene-chlorine rubber.
The preparation method of the oil-resistant sheath material comprises the following steps:
firstly, putting PVC resin powder, fluorosilicone resin, polyethylene wax, isomeric tridecanol polyoxyethylene ether, 4, 5-epoxy tetrahydro phthalic acid di (2-ethylhexyl) ester and dispersed polytetrafluoroethylene resin in a high-speed kneader, heating to 90 ℃, kneading and stirring for 8min to obtain an intermediate material;
adding zirconium hydrogen phosphate, titanium carbide, stearic acid, nano calcium carbonate and carbon black slurry into the intermediate material, heating to 95 ℃, and continuously kneading and stirring for 5 min;
and step three, placing the mixture in a granulator, controlling the temperature to be 140 ℃, extruding and granulating, cutting and cooling to obtain the oil-resistant sheath material.
Compared with the embodiment 1, the oil resistance of the frequency conversion cable prepared by the method for preparing the frequency conversion cable is better than that of the embodiment 1.
Example 6.
A method for preparing a variable frequency cable comprises a cable core, a belting layer 500, a metal shielding layer 600, an isolation sleeve layer 700, an armor layer 800 and an outer sheath layer 900 prepared from an oil-resistant sheath material, wherein the cable core, the belting layer 500, the metal shielding layer 600, the isolation sleeve layer 700, the armor layer 800 and the outer sheath layer 900 are sequentially arranged from the center to the outside. The raw materials of the oil-resistant sheath material comprise PVC resin powder, fluorosilicone resin and dispersed polytetrafluoroethylene resin.
The cable core is including three thread 100, three protection line 200 and filling layer 400, three thread 100 with three protection line 200 all are the triangle and arrange, and every thread 100 all with protection line 200 is adjacent, filling layer 400 fill in thread 100 with between the protection line 200, and in making the cable core periphery is round and complete. Each of the main lines 100 is formed by twisting a plurality of conductors. The outer surfaces of the main line 100 and the protection line 200 are covered with an insulating layer 300.
The raw materials of the oil-resistant sheath material also comprise polyethylene wax, zirconium hydrogen phosphate, isomeric tridecanol polyoxyethylene ether, 4, 5-epoxy tetrahydro phthalic acid di (2-ethylhexyl) ester, titanium carbide, stearic acid, nano calcium carbonate, an impact modifier and carbon black slurry.
In the oil-resistant sheath material, by weight,
PVC resin powder: 70 parts of (B);
fluorine-silicon resin: 20 parts of (1);
dispersing polytetrafluoroethylene resin: 25 parts of (1);
polyethylene wax: 2.0 parts of (B);
zirconium hydrogen phosphate: 4 parts of a mixture;
isomeric tridecanol polyoxyethylene ethers: 3 parts of a mixture;
4, 5-epoxy-tetrahydrophthalic acid di (2-ethylhexyl) ester: 20 parts of (1);
titanium carbide: 6 parts;
stearic acid: 0.2 part;
nano calcium carbonate; 25 parts of (1);
carbon black slurry: 4 parts of a mixture;
impact modifier: 8 parts.
Wherein the impact modifier is butadiene-acrylonitrile rubber and butadiene-chlorine rubber.
The preparation method of the oil-resistant sheath material comprises the following steps:
firstly, putting PVC resin powder, fluorosilicone resin, polyethylene wax, isomeric tridecanol polyoxyethylene ether, 4, 5-epoxy tetrahydro phthalic acid di (2-ethylhexyl) ester and dispersed polytetrafluoroethylene resin in a high-speed kneader, heating to 115 ℃, kneading and stirring for 15min to obtain an intermediate material;
adding zirconium hydrogen phosphate, titanium carbide, stearic acid, nano calcium carbonate and carbon black slurry into the intermediate material, heating to 105 ℃, and continuously kneading and stirring for 8 min;
and step three, placing the mixture in a granulator, controlling the temperature to be 170 ℃, extruding and granulating, cutting and cooling to obtain the oil-resistant sheath material.
Compared with the embodiment 1, the oil resistance of the frequency conversion cable prepared by the method for preparing the frequency conversion cable is better than that of the embodiment 1.
Example 7.
A method for preparing a variable frequency cable comprises a cable core, a belting layer 500, a metal shielding layer 600, an isolation sleeve layer 700, an armor layer 800 and an outer sheath layer 900 prepared from an oil-resistant sheath material, wherein the cable core, the belting layer 500, the metal shielding layer 600, the isolation sleeve layer 700, the armor layer 800 and the outer sheath layer 900 are sequentially arranged from the center to the outside. The raw materials of the oil-resistant sheath material comprise PVC resin powder, fluorosilicone resin and dispersed polytetrafluoroethylene resin.
The cable core is including three thread 100, three protection line 200 and filling layer 400, three thread 100 with three protection line 200 all are the triangle and arrange, and every thread 100 all with protection line 200 is adjacent, filling layer 400 fill in thread 100 with between the protection line 200, and in making the cable core periphery is round and complete. Each of the main lines 100 is formed by twisting a plurality of conductors. The outer surfaces of the main line 100 and the protection line 200 are covered with an insulating layer 300.
The raw materials of the oil-resistant sheath material also comprise polyethylene wax, zirconium hydrogen phosphate, isomeric tridecanol polyoxyethylene ether, 4, 5-epoxy tetrahydro phthalic acid di (2-ethylhexyl) ester, titanium carbide, stearic acid, nano calcium carbonate, an impact modifier and carbon black slurry.
In the oil-resistant sheath material, by weight,
PVC resin powder: 55 parts of (1);
fluorine-silicon resin: 12 parts of (1);
dispersing polytetrafluoroethylene resin: 10 parts of (A);
polyethylene wax: 1.0 part;
zirconium hydrogen phosphate: 2 parts of (1);
isomeric tridecanol polyoxyethylene ethers: 2.0 parts of (B);
4, 5-epoxy-tetrahydrophthalic acid di (2-ethylhexyl) ester: 10 parts of (A);
titanium carbide: 3 parts of a mixture;
stearic acid: 0.15 part;
nano calcium carbonate; 18 parts of a mixture;
carbon black slurry: 2 parts of a mixture;
impact modifier: 6 parts.
Wherein the impact modifier is butadiene-acrylonitrile rubber and butadiene-chlorine rubber.
The preparation method of the oil-resistant sheath material comprises the following steps:
firstly, putting PVC resin powder, fluorosilicone resin, polyethylene wax, isomeric tridecanol polyoxyethylene ether, 4, 5-epoxy tetrahydro phthalic acid di (2-ethylhexyl) ester and dispersed polytetrafluoroethylene resin in a high-speed kneader, heating to 108 ℃, kneading and stirring for 13.5min to obtain an intermediate material;
step two, adding zirconium hydrogen phosphate, titanium carbide, stearic acid, nano calcium carbonate and carbon black slurry into the intermediate material, heating to 103 ℃, and continuously kneading and stirring for 9.5 min;
and step three, placing the mixture in a granulator, controlling the temperature to be 156 ℃, extruding and granulating, cutting and cooling to obtain the oil-resistant sheath material.
Compared with the embodiment 1, the oil resistance of the frequency conversion cable prepared by the method for preparing the frequency conversion cable is better than that of the embodiment 1.
Example 8.
A method for preparing a variable frequency cable comprises a cable core, a belting layer 500, a metal shielding layer 600, an isolation sleeve layer 700, an armor layer 800 and an outer sheath layer 900 made of an oil-resistant sheath material, wherein the cable core, the belting layer 500, the metal shielding layer 600, the isolation sleeve layer 700, the armor layer 800 and the outer sheath layer 900 are sequentially arranged from the center to the outside. The raw materials of the oil-resistant sheath material comprise PVC resin powder, fluorosilicone resin and dispersed polytetrafluoroethylene resin.
The cable core is including three thread 100, three protection line 200 and filling layer 400, three thread 100 with three protection line 200 all are the triangle and arrange, and every thread 100 all with protection line 200 is adjacent, filling layer 400 fill in thread 100 with between the protection line 200, and in making the cable core periphery is round and complete. Each of the main lines 100 is formed by twisting a plurality of conductors. The outer surfaces of the main line 100 and the protection line 200 are covered with an insulating layer 300.
The raw materials of the oil-resistant sheath material also comprise polyethylene wax, zirconium hydrogen phosphate, isomeric tridecanol polyoxyethylene ether, 4, 5-epoxy tetrahydro phthalic acid di (2-ethylhexyl) ester, titanium carbide, stearic acid, nano calcium carbonate, an impact modifier and carbon black slurry.
In the oil-resistant sheath material, calculated by weight,
PVC resin powder: 60 parts;
fluorine-silicon resin: 15 parts of (1);
dispersing polytetrafluoroethylene resin: 15 parts of a mixture;
polyethylene wax: 1.5 parts;
zirconium hydrogen phosphate: 3 parts of a mixture;
isomeric tridecanol polyoxyethylene ethers: 2.5 parts;
4, 5-epoxy-tetrahydrophthalic acid di (2-ethylhexyl) ester: 15 parts of (1);
titanium carbide: 4 parts of a mixture;
stearic acid: 0.18 part;
nano calcium carbonate; 22 parts of (A);
carbon black slurry: 3 parts of a mixture;
impact modifier: 7 parts.
Wherein the impact modifier is butadiene-acrylonitrile rubber and butadiene-chlorine rubber.
The preparation method of the oil-resistant sheath material comprises the following steps:
firstly, putting PVC resin powder, fluorosilicone resin, polyethylene wax, isomeric tridecanol polyoxyethylene ether, 4, 5-epoxy tetrahydro phthalic acid di (2-ethylhexyl) ester and dispersed polytetrafluoroethylene resin in a high-speed kneader, heating to 109 ℃, kneading and stirring for 12.5min to obtain an intermediate material;
step two, adding zirconium hydrogen phosphate, titanium carbide, stearic acid, nano calcium carbonate and carbon black slurry into the intermediate material, heating to 103 ℃, and continuously kneading and stirring for 6.5 min;
and step three, placing the mixture in a granulator, controlling the temperature to be 162 ℃ for extrusion granulation, cutting and cooling to obtain the oil-resistant sheath material.
Compared with the embodiment 1, the oil resistance of the frequency conversion cable prepared by the method for preparing the frequency conversion cable is better than that of the embodiment 1.
Example 9.
A method for preparing a variable frequency cable comprises a cable core, a belting layer 500, a metal shielding layer 600, an isolation sleeve layer 700, an armor layer 800 and an outer sheath layer 900 prepared from an oil-resistant sheath material, wherein the cable core, the belting layer 500, the metal shielding layer 600, the isolation sleeve layer 700, the armor layer 800 and the outer sheath layer 900 are sequentially arranged from the center to the outside. The raw materials of the oil-resistant sheath material comprise PVC resin powder, fluorosilicone resin and dispersed polytetrafluoroethylene resin.
The cable core comprises three main lines 100, three protection lines 200 and a filling layer 400, wherein the three main lines 100 and the three protection lines 200 are arranged in a delta shape, each main line 100 is adjacent to the protection line 200, and the filling layer 400 is filled between the main lines 100 and the protection lines 200 and enables the periphery of the cable core to be round. Each of the main lines 100 is formed by twisting a plurality of conductors. The outer surfaces of the main line 100 and the protection line 200 are covered with an insulating layer 300.
The raw materials of the oil-resistant sheath material also comprise polyethylene wax, zirconium hydrogen phosphate, isomeric tridecanol polyoxyethylene ether, 4, 5-epoxy tetrahydro phthalic acid di (2-ethylhexyl) ester, titanium carbide, stearic acid, nano calcium carbonate, an impact modifier and carbon black slurry.
In the oil-resistant sheath material, by weight,
PVC resin powder: 62 parts of (1);
fluorine-silicon resin: 10.5 parts;
dispersing polytetrafluoroethylene resin: 10 parts of (A);
polyethylene wax: 1.0 part;
zirconium hydrogen phosphate: 2.1 parts;
isomeric tridecanol polyoxyethylene ethers: 1.5 parts;
4, 5-epoxy-tetrahydrophthalic acid di (2-ethylhexyl) ester: 7 parts;
titanium carbide: 3 parts of a mixture;
stearic acid: 0.11 part;
nano calcium carbonate; 17 parts of (1);
carbon black slurry: 1.5 parts;
impact modifier: 6 parts.
Wherein the impact modifier is nitrile rubber and butyl chloride rubber.
The preparation method of the oil-resistant sheath material comprises the following steps:
firstly, putting PVC resin powder, fluorosilicone resin, polyethylene wax, isomeric tridecanol polyoxyethylene ether, 4, 5-epoxy tetrahydro phthalic acid di (2-ethylhexyl) ester and dispersed polytetrafluoroethylene resin in a high-speed kneader, heating to 109 ℃, kneading and stirring for 12.5min to obtain an intermediate material;
step two, adding zirconium hydrogen phosphate, titanium carbide, stearic acid, nano calcium carbonate and carbon black slurry into the intermediate material, heating to 103 ℃, and continuously kneading and stirring for 6.5 min;
and step three, placing the mixture in a granulator, controlling the temperature to be 162 ℃ for extrusion granulation, cutting and cooling to obtain the oil-resistant sheath material.
Compared with the embodiment 1, the oil resistance of the frequency conversion cable prepared by the method for preparing the frequency conversion cable is better than that of the embodiment 1.
Table 1 shows the properties of the sheath materials of the oil-resistant sheath materials obtained in examples 3 to 9, which are tested under the same other experimental conditions, as shown in table one:
meter I, related detection performance of sheath material
As can be seen from the table I, the variable frequency cable prepared by the invention meets the performance conditions of various indexes of the cable sheath material in the national standard, and the outer sheath layer 900 can pass the 90 ℃ oil resistance test of 902 oil.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the protection scope of the present invention, and although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (10)
1. A preparation method of a variable frequency cable is characterized by comprising the following steps: the cable comprises a cable core, a belting layer, a metal shielding layer, an isolation sleeve layer, an armor layer and an outer sheath layer prepared from an oil-resistant sheath material, wherein the cable core, the belting layer, the metal shielding layer, the isolation sleeve layer, the armor layer and the outer sheath layer are sequentially arranged from the center to the outside;
the raw materials of the oil-resistant sheath material comprise PVC resin powder, fluorosilicone resin and dispersed polytetrafluoroethylene resin.
2. The method of manufacturing a variable frequency cable according to claim 1, wherein: the cable core is including three thread, three protection lines and filling layer, three thread with three protection lines all are the article font and arrange, and every the thread all with the protection line is adjacent, the filling layer fill in the thread with between the protection line, and in making cable core periphery is round and tidy.
3. The method of manufacturing a variable frequency cable according to claim 2, wherein: each main line is formed by twisting a plurality of conductors.
4. The method for preparing a variable frequency cable according to claim 3, wherein: the outer surfaces of the main line and the protection line are coated with insulating layers.
5. The method of manufacturing a variable frequency cable according to claim 4, wherein: the raw materials of the oil-resistant sheath material also comprise polyethylene wax, zirconium hydrogen phosphate, isomeric tridecanol polyoxyethylene ether, 4, 5-epoxy tetrahydro phthalic acid di (2-ethylhexyl) ester, titanium carbide, stearic acid, nano calcium carbonate, an impact modifier and carbon black slurry.
6. The method for preparing a variable frequency cable according to claim 5, wherein: in the oil-resistant sheath material, by weight,
PVC resin powder: 40-70 parts;
fluorine-silicon resin: 10-20 parts;
dispersing polytetrafluoroethylene resin: 5-25 parts;
polyethylene wax: 0.5 to 2.0 portions;
zirconium hydrogen phosphate: 1-4 parts;
isomeric tridecanol polyoxyethylene ethers: 1-3 parts;
4, 5-epoxy-tetrahydrophthalic acid di (2-ethylhexyl) ester: 5-20 parts of a stabilizer;
titanium carbide: 1-6 parts;
stearic acid: 0.1 to 0.2 portion;
nano calcium carbonate; 15-25 parts;
carbon black slurry: 1-4 parts;
impact modifier: 5 to 8 portions.
7. A method for preparing a variable frequency cable according to claim 6, characterized in that: in the oil-resistant sheath material, by weight,
PVC resin powder: 55-60 parts;
fluorine-silicon resin: 12-15 parts;
dispersing polytetrafluoroethylene resin: 10-15 parts;
polyethylene wax: 1.0 to 1.5 portions;
zirconium hydrogen phosphate: 2-3 parts;
isomeric tridecanol polyoxyethylene ethers: 2.0 to 2.5 portions;
4, 5-epoxy-tetrahydrophthalic acid di (2-ethylhexyl) ester: 10-15 parts;
titanium carbide: 3-4 parts;
stearic acid: 0.15 to 0.18 portion;
nano calcium carbonate; 18-22 parts;
carbon black slurry: 2-3 parts;
impact modifier: 6 to 7 portions.
8. The method for preparing a variable frequency cable according to claim 7, wherein: in the oil-resistant sheath material, by weight,
PVC resin powder: 57.6 parts;
fluorine-silicon resin: 13.5 parts;
dispersing polytetrafluoroethylene resin: 12.5 parts;
polyethylene wax: 1.28 parts;
zirconium hydrogen phosphate: 2.6 parts;
isomeric tridecanol polyoxyethylene ethers: 2.4 parts;
4, 5-epoxy-tetrahydrophthalic acid di (2-ethylhexyl) ester: 12.6 parts;
titanium carbide: 3.4 parts;
stearic acid: 0.16 part;
nano calcium carbonate; 21 parts of a solvent;
carbon black slurry: 2.5 parts;
impact modifier: 6.3 parts.
9. The method of manufacturing a variable frequency cable according to claim 8, wherein: the impact modifier is butadiene acrylonitrile rubber and butadiene chloride rubber.
10. The method for preparing a frequency conversion cable according to claim 9, wherein the preparation of the oil-resistant sheathing compound comprises the steps of:
firstly, putting PVC resin powder, fluorosilicone resin, polyethylene wax, isomeric tridecanol polyoxyethylene ether, 4, 5-epoxy tetrahydro phthalic acid di (2-ethylhexyl) ester and dispersed polytetrafluoroethylene resin in a high-speed kneader, heating to 90-115 ℃, kneading and stirring for 8-15 min, and obtaining an intermediate material;
adding zirconium hydrogen phosphate, titanium carbide, stearic acid, nano calcium carbonate and carbon black slurry into the intermediate material, heating to 95-105 ℃, and continuously kneading and stirring for 5-8 min;
and step three, placing the mixture in a granulator, controlling the temperature to be 140-170 ℃, performing extrusion granulation, cutting and cooling to obtain the oil-resistant sheath material.
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