CN103589037A - Compound insulating high polymer material and preparation method thereof - Google Patents
Compound insulating high polymer material and preparation method thereof Download PDFInfo
- Publication number
- CN103589037A CN103589037A CN201310483130.0A CN201310483130A CN103589037A CN 103589037 A CN103589037 A CN 103589037A CN 201310483130 A CN201310483130 A CN 201310483130A CN 103589037 A CN103589037 A CN 103589037A
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- Prior art keywords
- coal
- insulating material
- cold
- molecular
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Classifications
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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
-
- 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
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
-
- 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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
Abstract
The invention discloses a compound insulating high polymer material and a preparation method thereof. The compound insulating high polymer material comprises the following components: a matrix material, a lubricant, an antioxidant and a crosslinking agent, wherein the matrix material comprises polyethylene, coal and polyvinyl chloride; the compound high polymer electrical insulating material also comprises a cold-tolerance plasticizer and can bear the chilling temperature from -35 DEG C to -10 DEG C. The compound high polymer insulating material prepared by using the preparation method disclosed by the invention has the performances that the tensile strength is 27 MPa, the elongation at break is 230 percent, the notch impact strength is 12kJ/m<2>, the electrical resistivity is 6.0*10<15> omega.cm, and the brittleness temperature is -25 DEG C. The preparation method disclosed by the invention is scientific and reasonable; the dispersion performance of all components is effectively improved; due to the creative addition of the coal and a cold-resistant agent, the cost of raw materials is reduced on the premise of not reducing the mechanical property and the insulating performance of the materials, so that the brittleness temperature of the compound insulating material is remarkably reduced, and the low-temperature resistance performance of the material is effectively improved; the problem of low service life of an insulating wire/cable caused by temperature difference in cold regions is solved.
Description
Technical field
The present invention relates to insulating material technical field, particularly relate to a kind of composite high-molecular insulating material and preparation method thereof.
Background technology
The insulating material used such as electric wire, sheath material, electrical accessorie are generally polyolefins insulating material, the raw material matrix that it uses is generally pure polyolefine, aging dose of anti-sun light, pigment and strengthening agent are generally carbon black, have expensive, significantly reduce the shortcomings such as matrix insulating property and mechanical property, the electric wire of especially outdoor use, sheath material etc., because the cold district winter summer temperature difference is larger, easily damage.
Summary of the invention
The technical problem that the present invention mainly solves is to provide a kind of composite high-molecular insulating material and preparation method thereof, can reduce raw-material price, and does not affect electrical property and the mechanical property of insulating material, and significantly it improves lower temperature resistance.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: a kind of composite high-molecular insulating material is provided, and its composition comprises: body material, lubricant, oxidation inhibitor, linking agent, and described body material comprises: polyethylene, coal and polyvinyl chloride; The composition of described composite high-molecular electrically insulating material also comprises cold-resistant plasticizer, chilling temperatures that can resistance to-35～-10 ℃.
In a preferred embodiment of the present invention, described cold resistant plasticizer is at least one in dioctyl phthalate (DOP), dibutyl phthalate, Octyl adipate.
In a preferred embodiment of the present invention, the weight part of described each component consists of: polyethylene 25, coal 30, polyvinyl chloride 45, lubricant 10, oxidation inhibitor 2, linking agent 4, cold-resistant plasticizer 5.
For solving the problems of the technologies described above, another technical solution used in the present invention is: a kind of preparation method of composite high-molecular insulating material is provided, and concrete steps are as follows:
(1) surface modification of coal: put into octane and coal in the stainless steel reaction container with stirring, heating, reflux, then add catalyst A lCl
3, under agitation add hexadecanol, be then heated to 100 ℃, after reaction 8h, filter and obtain modified coal;
(2) prepare composite high-molecular master batch: by formula, to the coal, lubricant, oxidation inhibitor and the cold-resistant plasticizer that add modification in step (1) in high-speed mixer, mix after 10min, use twin screw extruder extruding pelletization;
(3) blend: the two roller mills that the master batch of preparation in step (2) and polyvinyl chloride added to 130 ℃ by formula, after melting bag roller, add linking agent, mixing 10min is to evenly, sheet under packing;
(4) sulfidization molding: mixing of obtaining in step (3) is placed on vulcanizing press to sulfidization molding under the condition of 180 ℃ * 10MPa * 20min, and room temperature is parked test performance after 24h.
In a preferred embodiment of the present invention, in described step (1), described AlCl
3with coal mass ratio be 1:100.
The invention has the beneficial effects as follows: a kind of composite high-molecular insulating material of the present invention, its preparation method is scientific and reasonable, effectively improved the dispersing property of each component, creativeness by coal and cold-resistant agent adds, reduced raw materials cost not reducing under the mechanical property of material and the prerequisite of insulating property, the temperature limit of brittleness of composite insulating material is significantly reduced, effectively improved its resistance to low temperature, solved the insulated wire cable low difficult problem in work-ing life that cause because of the temperature difference in content area.
Embodiment
Below preferred embodiment of the present invention is described in detail, thereby so that advantages and features of the invention can be easier to be it will be appreciated by those skilled in the art that, protection scope of the present invention is made to more explicit defining.
Embodiment 1
Polyethylene 25, coal 30, polyvinyl chloride 45, lubricant 10, oxidation inhibitor 2, linking agent 4, dioctyl phthalate (DOP) 2, dibutyl phthalate 1, Octyl adipate 2; Preparation method is as follows:
(1) surface modification of coal: put into octane and 100 coals in the stainless steel reaction container with stirring, heating, reflux, coal is all entered in octane, then add 1g catalyst A lCl
3, under agitation add 500mL hexadecanol, be then heated to 100 ℃, after reaction 8h, filter and obtain modified coal;
(2) prepare composite high-molecular master batch: by formula, to the coal, lubricant, oxidation inhibitor and the cold-resistant plasticizer that add modification in step (1) in high-speed mixer, mix after 10min, use twin screw extruder extruding pelletization; The extrusion temperature of twin screw extruder is 220 ℃, and screw speed is 100r/min.
(3) blend: the two roller mills that the master batch of preparation in step (2) and polyvinyl chloride added to 130 ℃ by formula, after melting bag roller, add linking agent, mixing 10min is to evenly, sheet under packing;
(4) sulfidization molding: mixing of obtaining in step (3) is placed on vulcanizing press to sulfidization molding under the condition of 180 ℃ * 10MPa * 20min, and room temperature is parked test performance after 24h.
The performance of composite high-molecular insulating material prepared by aforesaid method is as follows:
Tensile strength 27MPa, elongation at break 230%, notched Izod impact strength 12kJ/m
2, resistivity 6.0 * 10
15Ω cm, temperature limit of brittleness-25 ℃.
The foregoing is only embodiments of the invention; not thereby limit the scope of the claims of the present invention; every equivalent structure or conversion of equivalent flow process that utilizes description of the present invention to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (5)
1. a composite high-molecular insulating material, its composition comprises: body material, lubricant, oxidation inhibitor, linking agent, it is characterized in that, described body material comprises: polyethylene, coal and polyvinyl chloride; The composition of described composite high-molecular electrically insulating material also comprises cold-resistant plasticizer, chilling temperatures that can resistance to-35～-10 ℃.
2. composite high-molecular electrically insulating material according to claim 1, is characterized in that, described cold resistant plasticizer is at least one in dioctyl phthalate (DOP), dibutyl phthalate, Octyl adipate.
3. composite high-molecular electrically insulating material according to claim 1, is characterized in that, the weight part of described each component consists of: polyethylene 25, coal 30, polyvinyl chloride 45, lubricant 10, oxidation inhibitor 2, linking agent 4, cold-resistant plasticizer 5.
4. a preparation method for the composite high-molecular insulating material described in one of claims 1 to 3, is characterized in that, concrete steps are as follows:
(1) surface modification of coal: put into octane and coal in the stainless steel reaction container with stirring, heating, reflux, then add catalyst A lCl
3, under agitation add hexadecanol, be then heated to 100 ℃, after reaction 8h, filter and obtain modified coal;
(2) prepare composite high-molecular master batch: by formula, to the coal, lubricant, oxidation inhibitor and the cold-resistant plasticizer that add modification in step (1) in high-speed mixer, mix after 10min, use twin screw extruder extruding pelletization;
(3) blend: the two roller mills that the master batch of preparation in step (2) and polyvinyl chloride added to 130 ℃ by formula, after melting bag roller, add linking agent, mixing 10min is to evenly, sheet under packing;
(4) sulfidization molding: mixing of obtaining in step (3) is placed on vulcanizing press to sulfidization molding under the condition of 180 ℃ * 10MPa * 20min, and room temperature is parked test performance after 24h.
5. composite high-molecular electrically insulating material according to claim 4, is characterized in that, in described step (1), and described AlCl
3with coal mass ratio be 1:100.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310483130.0A CN103589037A (en) | 2013-10-15 | 2013-10-15 | Compound insulating high polymer material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310483130.0A CN103589037A (en) | 2013-10-15 | 2013-10-15 | Compound insulating high polymer material and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN103589037A true CN103589037A (en) | 2014-02-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310483130.0A Pending CN103589037A (en) | 2013-10-15 | 2013-10-15 | Compound insulating high polymer material and preparation method thereof |
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| CN (1) | CN103589037A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104292584A (en) * | 2014-10-16 | 2015-01-21 | 湖州国信物资有限公司 | Breakage-resistant high polymer material and preparation method thereof |
| CN105153519A (en) * | 2015-09-23 | 2015-12-16 | 国网山东省电力公司临沂供电公司 | Rod insulation material for insulating rod |
| CN108219477A (en) * | 2018-01-23 | 2018-06-29 | 合肥峰腾节能科技有限公司 | A kind of new insulation material and preparation method thereof |
-
2013
- 2013-10-15 CN CN201310483130.0A patent/CN103589037A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104292584A (en) * | 2014-10-16 | 2015-01-21 | 湖州国信物资有限公司 | Breakage-resistant high polymer material and preparation method thereof |
| CN105153519A (en) * | 2015-09-23 | 2015-12-16 | 国网山东省电力公司临沂供电公司 | Rod insulation material for insulating rod |
| CN108219477A (en) * | 2018-01-23 | 2018-06-29 | 合肥峰腾节能科技有限公司 | A kind of new insulation material and preparation method thereof |
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Application publication date: 20140219 |