CN112194863A - Outdoor weather-resistant polyvinyl chloride cable sheath material and preparation method thereof - Google Patents
Outdoor weather-resistant polyvinyl chloride cable sheath material and preparation method thereof Download PDFInfo
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- CN112194863A CN112194863A CN202011051128.2A CN202011051128A CN112194863A CN 112194863 A CN112194863 A CN 112194863A CN 202011051128 A CN202011051128 A CN 202011051128A CN 112194863 A CN112194863 A CN 112194863A
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- polyvinyl chloride
- epoxy resin
- sheath material
- cable sheath
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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
- 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
- C08L27/02—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 not modified by chemical after-treatment
- C08L27/04—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 not modified by chemical after-treatment containing chlorine atoms
- C08L27/06—Homopolymers or copolymers of vinyl chloride
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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
- C08L63/00—Compositions of epoxy resins; Compositions of derivatives of epoxy resins
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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
- H01B3/40—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 epoxy resins
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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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- 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
-
- 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
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
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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)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Organic Insulating Materials (AREA)
- Insulated Conductors (AREA)
Abstract
The invention provides an outdoor weather-resistant polyvinyl chloride cable sheath material and a preparation method thereof, wherein the sheath material is prepared from the following raw materials in parts by weight: 30-50 parts of polyvinyl chloride, 30-50 parts of epoxy resin, 1-3 parts of polyethylene wax, 10-20 parts of graphene oxide, 1-3 parts of antimony trioxide, 20-40 parts of plasticizer, 10-15 parts of stabilizer and 1-5 parts of triphenylphosphine. Wherein the epoxy resin is bisphenol A epoxy resin; the weight ratio of the epoxy resin to the polyvinyl chloride is 1: 1. According to the invention, the graphene and the epoxy resin are simultaneously introduced into the polyvinyl chloride cable material, and the epoxy resin and the graphene oxide are firstly combined through a chemical bond and then mixed with the polyvinyl chloride cable material, so that the mixing uniformity of all raw materials of the sheath material is fully ensured, and the mechanical property and the weather resistance of the polyvinyl chloride cable sheath material are effectively improved.
Description
Technical Field
The invention relates to the technical field of materials, in particular to an outdoor weather-resistant polyvinyl chloride cable sheath material and a preparation method thereof.
Background
Polyvinyl chloride is one of the most widely used plastics in the world, has low price, excellent mechanical property and electrical insulation property, particularly flame resistance and self-extinguishing property, and is widely applied to the production of cable materials, plays an important role in insulating and protecting materials of wires and cables for a long time and is widely applied to insulating and protecting materials of various wires and cables. However, with the rapid development of national economy, cables are widely used in various power stations, such as nuclear power stations and thermal power stations, as well as various fields such as subway stations, power plants, high-rise buildings, military facilities, oil platforms, submarine cables, and the like, and the use environment of the cables is complex, so that the requirements on the quality and functions of the cables are higher and higher. At present, the existing cable sheath material is difficult to meet the use requirements of some fields in the aspect of weather resistance, in the use process, due to the fact that the environment suffered by a cable is complex, the surface of the cable is easy to age and wear, after the cable is aged and worn, a structural layer or even a conductor in the cable is easy to expose outside, potential safety hazards exist, and electric shock is extremely easy to cause.
Disclosure of Invention
The invention aims to solve the problem of poor weather resistance of the existing polyvinyl chloride cable sheath material, and the weather resistance of the polyvinyl chloride cable sheath material is improved by introducing epoxy resin and graphene, so that the application range of a polyvinyl chloride cable is widened, and the service life of the polyvinyl chloride cable is prolonged.
The invention provides an outdoor weather-resistant polyvinyl chloride cable sheath material which is characterized by being prepared from the following raw materials in parts by weight: 30-50 parts of polyvinyl chloride, 30-50 parts of epoxy resin, 1-3 parts of polyethylene wax, 10-20 parts of graphene oxide, 1-3 parts of antimony trioxide, 20-40 parts of plasticizer, 10-15 parts of stabilizer and 1-5 parts of triphenylphosphine.
Furthermore, in order to improve the mechanical property and the weather resistance of the polyvinyl chloride cable sheath material, the epoxy resin is bisphenol A type epoxy resin.
Further, in order to balance the comprehensive performance of the polyvinyl chloride cable sheath material, the weight ratio of the epoxy resin to the polyvinyl chloride is 1: 1.
The preparation method of the outdoor weather-resistant polyvinyl chloride cable sheath material is characterized by comprising the following steps: (1) mixing 30-50 parts of epoxy resin, 10-20 parts of graphene oxide and 1-5 parts of triphenylphosphine at the temperature of more than 70 ℃ and continuously stirring for 12 hours; (2) adding the mixture obtained in the step (1) and the rest other raw materials into a mixer to be uniformly mixed; (3) directly feeding the uniformly stirred raw materials into a double-screw material making machine for extrusion material making, and uniformly dividing the heating temperature of each section of the double-screw material making machine from 120 plus 160 ℃ according to the number of the heating sections; (3) and drying the finished product of the extruded material to obtain the outdoor weather-resistant polyvinyl chloride cable sheath material.
The invention has the beneficial effects that:
according to the invention, the graphene and the epoxy resin are simultaneously introduced into the polyvinyl chloride cable material, and the epoxy resin and the graphene oxide are firstly combined through a chemical bond and then mixed with the polyvinyl chloride cable material, so that the mixing uniformity of all raw materials of the sheath material is fully ensured, and the mechanical property and the weather resistance of the polyvinyl chloride cable sheath material are effectively improved.
Detailed Description
The present invention is described in further detail below with reference to specific examples, which are not to be construed as limiting the scope of the invention as claimed.
Example one
The outdoor weather-resistant polyvinyl chloride cable sheath material is prepared from the following raw materials in parts by weight: 40 parts of polyvinyl chloride, 40 parts of bisphenol A epoxy resin, 3 parts of polyethylene wax, 20 parts of graphene oxide, 2 parts of antimony trioxide, 30 parts of a plasticizer, 15 parts of a stabilizer and 5 parts of triphenylphosphine. The preparation method comprises the following steps: (1) stirring and mixing 40 parts of bisphenol A type epoxy resin, 20 parts of graphene oxide and 5 parts of triphenylphosphine for 12 hours at the temperature of 70 ℃; (2) adding the mixture obtained in the step (1) and the rest other raw materials into a mixer for uniformly mixing; (3) directly feeding the uniformly stirred raw materials into a double-screw material making machine for extrusion material making, and uniformly dividing the heating temperature of each section of the double-screw material making machine from 120 plus 160 ℃ according to the number of the heating sections; (3) drying and extruding the finished product of the molding material to obtain the outdoor weather-resistant polyvinyl chloride cable sheath material 1.
Example two
The outdoor weather-resistant polyvinyl chloride cable sheath material is prepared from the following raw materials in parts by weight: 40 parts of polyvinyl chloride, 40 parts of bisphenol A epoxy resin, 3 parts of polyethylene wax, 15 parts of graphene oxide, 2 parts of antimony trioxide, 30 parts of a plasticizer, 15 parts of a stabilizer and 3 parts of triphenylphosphine. The preparation method comprises the following steps: (1) stirring and mixing 40 parts of bisphenol A type epoxy resin, 15 parts of graphene oxide and 3 parts of triphenylphosphine for 12 hours at the temperature of 70 ℃; (2) adding the mixture obtained in the step (1) and the rest other raw materials into a mixer for uniformly mixing; (3) directly feeding the uniformly stirred raw materials into a double-screw material making machine for extrusion material making, and uniformly dividing the heating temperature of each section of the double-screw material making machine from 120 plus 160 ℃ according to the number of the heating sections; (3) and drying the finished product of the extruded material to obtain the outdoor weather-resistant polyvinyl chloride cable sheath material 2.
EXAMPLE III
The outdoor weather-resistant polyvinyl chloride cable sheath material is prepared from the following raw materials in parts by weight: 40 parts of polyvinyl chloride, 50 parts of bisphenol A epoxy resin, 3 parts of polyethylene wax, 20 parts of graphene oxide, 2 parts of antimony trioxide, 30 parts of a plasticizer, 15 parts of a stabilizer and 5 parts of triphenylphosphine. The preparation method comprises the following steps: (1) stirring and mixing 50 parts of bisphenol A type epoxy resin, 20 parts of graphene oxide and 5 parts of triphenylphosphine for 12 hours at the temperature of 70 ℃; (2) adding the mixture obtained in the step (1) and the rest other raw materials into a mixer for uniformly mixing; (3) directly feeding the uniformly stirred raw materials into a double-screw material making machine for extrusion material making, and uniformly dividing the heating temperature of each section of the double-screw material making machine from 120 plus 160 ℃ according to the number of the heating sections; (3) drying and extruding the finished product of the molding material to obtain the outdoor weather-resistant polyvinyl chloride cable sheath material 3.
Example four
The outdoor weather-resistant polyvinyl chloride cable sheath material is prepared from the following raw materials in parts by weight: 50 parts of polyvinyl chloride, 40 parts of bisphenol A epoxy resin, 3 parts of polyethylene wax, 20 parts of graphene oxide, 2 parts of antimony trioxide, 30 parts of a plasticizer, 15 parts of a stabilizer and 5 parts of triphenylphosphine. The preparation method comprises the following steps: (1) stirring and mixing 40 parts of bisphenol A type epoxy resin, 20 parts of graphene oxide and 5 parts of triphenylphosphine for 12 hours at the temperature of 70 ℃; (2) adding the mixture obtained in the step (1) and the rest other raw materials into a mixer for uniformly mixing; (3) directly feeding the uniformly stirred raw materials into a double-screw material making machine for extrusion material making, and uniformly dividing the heating temperature of each section of the double-screw material making machine from 120 plus 160 ℃ according to the number of the heating sections; (3) and drying the finished product of the extruded material to obtain the outdoor weather-resistant polyvinyl chloride cable sheath material 4.
Performance testing
Aging resistance: the measurement is carried out according to the method specified in GB/T16422.2-2014, the radiation light source filtering mode adopts the mode A, after the total irradiation energy is not less than 7.0X 103MJ/m2 light aging test, the appearance is observed, and the bending strength change is measured.
Ultraviolet resistance: after 720h xenon arc or carbon arc irradiation, the tensile strength and the elongation at break retention rate after irradiation are tested.
Moisture and heat resistance: the test was carried out according to the method specified in GB/T2573, the test temperature (85 + -2) DEG C and the relative humidity (85 + -2)%, and the test was carried out for 24 hours as a test period, and after 21 consecutive periods, the appearance was observed and the change in the bending strength was measured.
And (3) low-temperature test: the test was carried out according to the low-temperature bending test at-35 ℃ specified in UL2556, and it was observed whether the specimen was cracked.
And (3) testing the insulation resistance: the insulation (insulation resistance: M.OMEGA.KM) of the cable was measured by an insulation resistance tester.
The test results of the above-described cable sheath materials 1 to 4 are shown in table 1 below.
TABLE 1
Based on the experimental data, the mechanical property and weather resistance of the polyvinyl chloride cable sheath material can be greatly improved by adopting the scheme of the embodiment of the invention, and other service properties of the electric wire and cable are not influenced.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. The outdoor weather-resistant polyvinyl chloride cable sheath material is characterized by being prepared from the following raw materials in parts by weight: 30-50 parts of polyvinyl chloride, 30-50 parts of epoxy resin, 1-3 parts of polyethylene wax, 10-20 parts of graphene oxide, 1-3 parts of antimony trioxide, 20-40 parts of plasticizer, 10-15 parts of stabilizer and 1-5 parts of triphenylphosphine.
2. The outdoor weather-resistant polyvinyl chloride cable sheath material as claimed in claim 1, wherein the epoxy resin is bisphenol a type epoxy resin.
3. The outdoor weather-resistant polyvinyl chloride cable sheath material as claimed in claim 2, wherein the weight ratio of the epoxy resin to the polyvinyl chloride is 1: 1.
4. A method for preparing the outdoor weather-resistant polyvinyl chloride cable sheath material according to any one of claims 1 to 3, wherein the method comprises the steps of: (1) mixing 30-50 parts of epoxy resin, 10-20 parts of graphene oxide and 1-5 parts of triphenylphosphine at the temperature of more than 70 ℃ and continuously stirring for 12 hours; (2) adding the mixture obtained in the step (1) and the rest other raw materials into a mixer to be uniformly mixed; (3) directly feeding the uniformly stirred raw materials into a double-screw material making machine for extrusion material making, and uniformly dividing the heating temperature of each section of the double-screw material making machine from 120 plus 160 ℃ according to the number of the heating sections; (3) and drying the finished product of the extruded material to obtain the outdoor weather-resistant polyvinyl chloride cable sheath material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011051128.2A CN112194863A (en) | 2020-09-29 | 2020-09-29 | Outdoor weather-resistant polyvinyl chloride cable sheath material and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011051128.2A CN112194863A (en) | 2020-09-29 | 2020-09-29 | Outdoor weather-resistant polyvinyl chloride cable sheath material and preparation method thereof |
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| Publication Number | Publication Date |
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| CN112194863A true CN112194863A (en) | 2021-01-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011051128.2A Pending CN112194863A (en) | 2020-09-29 | 2020-09-29 | Outdoor weather-resistant polyvinyl chloride cable sheath material and preparation method thereof |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105017676A (en) * | 2015-04-21 | 2015-11-04 | 江苏中超电缆股份有限公司 | Graphene-containing high heat conduction polyvinyl chloride sheath material for cable, and cable |
| CN111647237A (en) * | 2020-05-22 | 2020-09-11 | 蒋欣雨 | High-thermal-conductivity polyvinyl chloride sheath material for cable and cable |
-
2020
- 2020-09-29 CN CN202011051128.2A patent/CN112194863A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105017676A (en) * | 2015-04-21 | 2015-11-04 | 江苏中超电缆股份有限公司 | Graphene-containing high heat conduction polyvinyl chloride sheath material for cable, and cable |
| CN111647237A (en) * | 2020-05-22 | 2020-09-11 | 蒋欣雨 | High-thermal-conductivity polyvinyl chloride sheath material for cable and cable |
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Application publication date: 20210108 |