CN107722588A - A kind of cable modification material of polycarbonate and preparation method thereof - Google Patents
A kind of cable modification material of polycarbonate and preparation method thereof Download PDFInfo
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- CN107722588A CN107722588A CN201710918337.4A CN201710918337A CN107722588A CN 107722588 A CN107722588 A CN 107722588A CN 201710918337 A CN201710918337 A CN 201710918337A CN 107722588 A CN107722588 A CN 107722588A
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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
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
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- 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
- C08K5/00—Use of organic ingredients
- C08K5/04—Oxygen-containing compounds
- C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
- C08K5/098—Metal salts of carboxylic acids
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K9/00—Use of pretreated ingredients
- C08K9/12—Adsorbed ingredients, e.g. ingredients on carriers
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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
- H01B3/42—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 polyesters; polyethers; polyacetals
- H01B3/421—Polyesters
- H01B3/426—Polycarbonates
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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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- 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
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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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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Abstract
The invention discloses a kind of cable modification material of polycarbonate and preparation method thereof, the cable is prepared with modification material of polycarbonate including following parts by weight raw material：0.3 0.8 parts of nano aluminium oxide, 8 12 parts of porous ceramics, 0.001 0.003 parts of graphene, 12 18 parts of polyoxy ethyl benzoate, 55 75 parts of makrolon, 0.5 1.2 parts of coupling agent, 15 parts of stabilizer；Nano alumina particles Jing Guo modification are added in makrolon by the cable with modification material of polycarbonate to carry out mixed and modified, significantly improves the breakdown voltage of makrolon, and the modified polycarbonate material can be used in high-tension cable.
Description
Technical field
The present invention relates to cable material field, and in particular to a kind of cable modification material of polycarbonate and its preparation side
Method.
Background technology
Cable is to be fabricated to conductor thread core by twisted with one or more wire, then corresponding insulation is imposed on conductor
Layer, the wire that outside is wrapped sealing sheath and formed, is mainly made up of core, insulating barrier, screen layer and restrictive coating.Cable has
Take ground and space is few；Power supply safety is reliable, and electric shock possibility is small；Be advantageous to improve the power factor of power system；Operation,
Maintenance work is simple and convenient；Be advantageous to beautifying city, there is many advantages, such as confidentiality, in being widely used in living and producing
Every field.
The effect of insulating barrier is will to be electrically isolated from each other between core and the earth and out of phase core in cable, from
And ensure not occurring when conveying electric energy relatively or alternate puncture short.By experiment and long-term use of empirical evidence, Gao Pin
In the cable of matter, the material of insulating barrier needs have following performance：Compressive resistance is high；Dielectric loss angle tangent is low；Inverter fed motor
Performance is good；Stable chemical performance；It is low temperature resistant；Heat resistance is good；Machining property is good；Service life is grown.Existing cable is used
Insulating layer material is broadly divided into several major classes such as oil-paper, rubber, polyethylene, polyvinyl chloride and crosslinked polyethylene, although can be full
The performance requirement of sufficient normal cable, but when for preparing the cable used under particular surroundings, its performance shows slightly deficiency.
Makrolon is the high molecular polymer containing carbonate group in strand, and makrolon material has preferably comprehensive
Performance is closed, makrolon water white transparency, heat-resisting, shock resistance, good flame resistance, excellent insulation performance, dielectric constant is small, compact dimensions
Stability is good, has many advantages, such as good mechanical performance in temperature in use；But due to ester group be present in makrolon,
Meeting quick aging, performance quickly reduce under the conditions of ultraviolet, corona etc., thus, makrolon cannot be directly used to the exhausted of cable
Edge material.
The content of the invention
It is an object of the invention to overcome be currently used for the makrolon insulating materials of cable existing for breakdown potential force down
A kind of defect, there is provided cable modification material of polycarbonate and preparation method thereof；The present invention is by the nano oxygen Jing Guo modification
Change alumina particles and be added in makrolon and carry out mixed and modified, significantly improve the breakdown voltage of makrolon, the modification gathers
Carbonate material can be used in high-tension cable.
In order to realize foregoing invention purpose, the invention provides a kind of cable modification material of polycarbonate, including it is following
Parts by weight raw material are prepared：The nano aluminium oxide of 0.3-0.8 parts, the porous ceramics of 8-12 parts, the stone of 0.001-0.003 parts
Black alkene, the polyoxy ethyl benzoate of 12-18 parts, the makrolon of 55-75 parts, the coupling agent of 0.5-1.2 parts, 1-5 parts it is steady
Determine agent.
A kind of cable modification material of polycarbonate of the present invention, by nano aluminium oxide and graphene-supported in porous ceramics
On, then coated with polyoxy ethyl benzoate, finally mixed with makrolon, make porous ceramics-polyoxy benzene first
Acetoacetic ester system is dispersed in makrolon, can effectively reduce the electrical treeing and corona phenomenon of makrolon, is improved poly-
The breakdown voltage of carbonic ester, the modified polycarbonate material is set to can be used in high-tension cable.
A kind of above-mentioned cable modification material of polycarbonate, wherein, the amount of graphene needs to control in prescribed limit, uses
Measure excessive, insulating materials resistivity is greatly reduced, and insulating properties reduces；Dosage is very few, small to insulating materials modifying function, effect effect
Fruit unobvious；Preferably, described graphene dosage is 0.002 part.
Wherein, described polyoxy ethyl benzoate is all good to the compatibility of porous ceramics and makrolon, can increase nothing
Bonding capability between machine material and organic material interface, reduce the probability of happening of corona and electrical treeing.
A kind of above-mentioned cable modification material of polycarbonate, wherein, it is preferred that the particle diameter of described nano aluminium oxide is 2-
10nm；Diameter is excessive, it is impossible to is supported in the hole of porous ceramic particles；Diameter is too small, is unfavorable for disperseing.
A kind of above-mentioned cable modification material of polycarbonate, wherein, described porous ceramics particle diameter is 0.1-2 μm；Particle diameter
It is excessive, the poor compatibility in system, easily produce Interface Crack；Particle diameter is too small, it is impossible to loads nano aluminium oxide.
Wherein, the porosity of described porous ceramic particles is 20-40%；Porosity is excessive, and hole is more, and air content is big,
Polycarbonate inner is produced bubble in process of production, reduce breakdown voltage on the contrary；Porosity is too small, it is impossible to completely negative
Carry nano alumina particles.
Wherein, the aperture of described porous ceramics is 20-50nm；Aperture is too big, and nanoalumina loadings are uneven, easy heap
Product, has an impact to material breakdown voltage；Aperture is too small, and nano aluminium oxide can not enter hole.
A kind of above-mentioned cable modification material of polycarbonate, wherein, described coupling agent is silane coupler；It is silane coupled
Agent can increase the compatibility between basalt fibre and high polymer material, improve the electrical property of insulating layer material.
Wherein, described stabilizer is fatty acid zinc alkane；Stabilizer can improve the chemical stability of makrolon, reduce old
Change speed, increase service life.
In order to realize foregoing invention purpose, further, the invention provides a kind of cable modification material of polycarbonate
Preparation method, comprise the following steps：
（1）Porous ceramics is handled with coupling agent；
（2）By graphene and nanoalumina loadings on porous ceramics；
（3）The porous ceramics for being loaded with graphene and nano aluminium oxide is coated to obtain centre with polyoxy ethyl benzoate
Body；
（4）Extruded after intermediate is well mixed with makrolon, stabilizer with extruder, obtain cable makrolon
It is material modified.
A kind of preparation method of cable modification material of polycarbonate of the present invention, is first surface-treated to porous ceramics,
Increase its compatibility with high polymer material, then graphene and nanoalumina loadings are in porous ceramics；Then polyoxy is used
Ethyl benzoate coats to porous ceramics, fills hole, forms porous ceramics-polyoxy ethyl benzoate system, finally
Mixed with makrolon, so that the insulation breakdown voltage being prepared significantly improves, available for high-tension cable
Prepare；The preparation method is simple and reliable, is suitable for extensive, the industrialized production of cable modification material of polycarbonate.
In a kind of preparation method of above-mentioned cable modification material of polycarbonate, it is preferred that step 3 is entered in condition of negative pressure
Row cladding；Under condition of negative pressure, the air in porous ceramics can overflow automatically, so that polyoxy ethyl benzoate is filled into hole
Hole, solid construction is formed, reduce the influence that the presence of air reduces breakdown voltage.
Compared with prior art, beneficial effects of the present invention：
1st, cable of the present invention is dispersed in the porous ceramics in modification material of polycarbonate-polyoxy ethyl benzoate system
In makrolon, the electrical treeing and corona phenomenon of makrolon can be effectively reduced, improves the breakdown voltage of makrolon.
2nd, contain stabilizer in modification material of polycarbonate of the present invention, the chemical stability of makrolon can be improved, reduce
Aging speed, increase service life.
3rd, preparation method of the present invention coats under condition of negative pressure to porous ceramics, and the air in porous ceramics can be automatic
Overflow, form solid construction, reduce the influence that the presence of air reduces breakdown voltage.
4th, preparation method of the present invention is simple, reliable, is adapted to extensive, the industrial metaplasia of cable modification material of polycarbonate
Production.
Embodiment
With reference to test example and embodiment, the present invention is described in further detail.But this should not be understood
Following embodiment is only limitted to for the scope of the above-mentioned theme of the present invention, it is all that this is belonged to based on the technology that present invention is realized
The scope of invention.
Embodiment 1
（1）Particle diameter by 10 parts is 1 μm, porosity 25%, aperture are that 35nm porous ceramics is entered with 0.8 part of silane coupler
Row processing；
（2）It is 5nm nanoalumina loadings on porous ceramics by 0.002 part of graphene and 0.5 part of particle diameter；
（3）With 15 parts of polyoxy ethyl benzoate to being loaded with the porous ceramics of graphene and nano aluminium oxide in condition of negative pressure
Under coated to obtain intermediate；
（4）Extruded after intermediate is well mixed with 65 parts of makrolon, 3 parts of fatty acid zincs with extruder, obtain electricity
Cable modification material of polycarbonate.
Embodiment 2
（1）Particle diameter by 8 parts is 2 μm, porosity 40%, aperture are that 50nm porous ceramics is carried out with 0.5 part of silane coupler
Processing；
（2）It is 10nm nanoalumina loadings on porous ceramics by 0.003 part of graphene and 0.3 part of particle diameter；
（3）With 12 parts of polyoxy ethyl benzoate to being loaded with the porous ceramics of graphene and nano aluminium oxide in condition of negative pressure
Under coated to obtain intermediate；
（4）Extruded after intermediate is well mixed with 55 parts of makrolon, 1 part of fatty acid zinc with extruder, obtain electricity
Cable modification material of polycarbonate.
Embodiment 3
（1）Particle diameter by 12 parts is 0.1 μm, porosity 20%, aperture are 20nm porous ceramics with 1.2 parts of silane coupler
Handled；
（2）It is 2nm nanoalumina loadings on porous ceramics by 0.001 part of graphene and the particle diameter of 0.8 part of part；
（3）With 18 parts of polyoxy ethyl benzoate to being loaded with the porous ceramics of graphene and nano aluminium oxide in condition of negative pressure
Under coated to obtain intermediate；
（4）Extruded after intermediate is well mixed with 75 parts of makrolon, 5 parts of fatty acid zincs with extruder, obtain electricity
Cable modification material of polycarbonate.
Embodiment 4
（1）Particle diameter by 10 parts is 5 μm, porosity 50%, aperture are that 60nm porous ceramics is entered with 1.2 parts of silane coupler
Row processing；
（2）It is 15nm nanoalumina loadings on porous ceramics by 0.002 part of graphene and 0.5 part of particle diameter；
（3）With 15 parts of polyoxy ethyl benzoate to being loaded with the porous ceramics of graphene and nano aluminium oxide in condition of negative pressure
Under coated to obtain intermediate；
（4）Extruded after intermediate is well mixed with 65 parts of makrolon, 3 parts of fatty acid zincs with extruder, obtain electricity
Cable modification material of polycarbonate.
Comparative example 1
（1）Particle diameter by 10 parts is 1 μm, porosity 25%, aperture are that 35nm porous ceramics is entered with 0.8 part of silane coupler
Row processing；
（2）By 0.5 part of particle diameter be 5nm nanoalumina loadings on porous ceramics；
（3）With 15 parts of polyoxy ethyl benzoate to being loaded with the porous ceramics of graphene and nano aluminium oxide in condition of negative pressure
Under coated to obtain intermediate；
（4）Extruded after intermediate is well mixed with 65 parts of makrolon, 3 parts of fatty acid zincs with extruder, obtain electricity
Cable modification material of polycarbonate.
Comparative example 2
（1）Particle diameter by 10 parts is 1 μm, porosity 25%, aperture are that 35nm porous ceramics is entered with 0.8 part of silane coupler
Row processing；
（2）It is graphene-supported on porous ceramics by 0.002 part；
（3）With 15 parts of polyoxy ethyl benzoate to being loaded with the porous ceramics of graphene and nano aluminium oxide in condition of negative pressure
Under coated to obtain intermediate；
（4）Extruded after intermediate is well mixed with 65 parts of makrolon, 3 parts of fatty acid zincs with extruder, obtain electricity
Cable modification material of polycarbonate.
Comparative example 3
（1）Particle diameter by 10 parts is 1 μm, porosity 25%, aperture are that 35nm porous ceramics is entered with 0.8 part of silane coupler
Row processing；
（2）It is 5nm nanoalumina loadings on porous ceramics by 0.002 part of graphene and 0.5 part of particle diameter；
（3）With 15 parts of polyoxy ethyl benzoate to being loaded with the porous ceramics of graphene and nano aluminium oxide in condition of negative pressure
Under coated to obtain intermediate；
（4）Extruded after intermediate is well mixed with 65 parts of makrolon with extruder, obtain cable makrolon
It is material modified.
Comparative example 4
（1）Particle diameter by 10 parts is 1 μm, porosity 25%, aperture are that 35nm porous ceramics is entered with 0.8 part of silane coupler
Row processing；
（2）It is 5nm nanoalumina loadings on porous ceramics by 0.005 part of graphene and 0.5 part of particle diameter；
（3）With 15 parts of polyoxy ethyl benzoate to being loaded with the porous ceramics of graphene and nano aluminium oxide in condition of negative pressure
Under coated to obtain intermediate；
（4）Extruded after intermediate is well mixed with 65 parts of makrolon, 3 parts of fatty acid zincs with extruder, obtain electricity
Cable modification material of polycarbonate.
By the cable modification material of polycarbonate in above-described embodiment 1-4 and comparative example 1-4, performance detection, note are carried out
It is as follows to record data：
| Numbering | Breakdown voltage（KV/mm） | Ageing resistance |
| Embodiment 1 | ≥52 | ++++ |
| Embodiment 2 | ≥50 | ++++ |
| Embodiment 3 | ≥49 | ++++ |
| Embodiment 4 | ≥53 | ++++ |
| Comparative example 1 | ≥32 | ++++ |
| Comparative example 2 | ≥41 | ++++ |
| Comparative example 3 | ≥48 | ++ |
| Comparative example 4 | ≥38 | ++++ |
| Makrolon | ≥26 | + |
Note："+" is more, illustrates that performance is better.
Above-mentioned analysis of experimental data is understood, the cable of the present invention being prepared in embodiment 1-4 is with polycarbonate modified
Material, breakdown voltage are high；And in comparative example 1-4, not using the cable that technical solution of the present invention obtains with polycarbonate modified material
Material breakdown voltage significantly reduces.
Claims (10)
1. a kind of cable modification material of polycarbonate, it is characterised in that be prepared including following parts by weight raw material：0.3-
0.8 part of nano aluminium oxide, the porous ceramics of 8-12 parts, the graphene of 0.001-0.003 parts, the polyoxy benzene first of 12-18 parts
Acetoacetic ester, the makrolon of 55-75 parts, the coupling agent of 0.5-1.2 parts, the stabilizer of 1-5 parts.
2. cable modification material of polycarbonate according to claim 1, it is characterised in that described graphene parts by weight
For 0.002 part.
3. cable modification material of polycarbonate according to claim 1, it is characterised in that described nano aluminium oxide
Particle diameter is 2-10nm.
4. cable modification material of polycarbonate according to claim 1, it is characterised in that described porous ceramic particles
Porosity be 20-40%.
5. cable modification material of polycarbonate according to claim 1, it is characterised in that described porous ceramics particle diameter
For 0.1-2 μm.
6. cable modification material of polycarbonate according to claim 1, it is characterised in that the hole of described porous ceramics
Footpath is 20-50nm.
7. cable modification material of polycarbonate according to claim 1, it is characterised in that described coupling agent is silane
Coupling agent.
8. cable modification material of polycarbonate according to claim 1, it is characterised in that described stabilizer is fat
Sour zinc alkane.
A kind of 9. preparation method of any one of claim 1-8 cable modification material of polycarbonate, it is characterised in that
（1）Porous ceramics is handled with coupling agent；
（2）By graphene and nanoalumina loadings on porous ceramics；
（3）The porous ceramics for being loaded with graphene and nano aluminium oxide is coated to obtain centre with polyoxy ethyl benzoate
Body；
（4）Extruded after intermediate is well mixed with makrolon, stabilizer with extruder, obtain cable makrolon
It is material modified.
10. preparation method according to claim 9, it is characterised in that step 3 is coated in condition of negative pressure.
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| CN201710918337.4A CN107722588A (en) | 2017-09-30 | 2017-09-30 | A kind of cable modification material of polycarbonate and preparation method thereof |
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| CN201710918337.4A CN107722588A (en) | 2017-09-30 | 2017-09-30 | A kind of cable modification material of polycarbonate and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108933005A (en) * | 2018-07-02 | 2018-12-04 | 安徽坤和电气有限公司 | A kind of production technology of logging signal cable winding layer |
| CN109054227A (en) * | 2018-07-02 | 2018-12-21 | 安徽坤和电气有限公司 | A kind of production technology of railway signal cable insulating layer |
| WO2023134404A1 (en) * | 2022-01-14 | 2023-07-20 | 金发科技股份有限公司 | Polycarbonate composition, preparation method therefor and application thereof |
-
2017
- 2017-09-30 CN CN201710918337.4A patent/CN107722588A/en not_active Withdrawn
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108933005A (en) * | 2018-07-02 | 2018-12-04 | 安徽坤和电气有限公司 | A kind of production technology of logging signal cable winding layer |
| CN109054227A (en) * | 2018-07-02 | 2018-12-21 | 安徽坤和电气有限公司 | A kind of production technology of railway signal cable insulating layer |
| CN108933005B (en) * | 2018-07-02 | 2019-11-19 | 安徽天彩电缆集团有限公司 | A kind of production technology of logging signal cable winding layer |
| CN109054227B (en) * | 2018-07-02 | 2021-05-04 | 安徽天彩电缆集团有限公司 | Production process of railway signal cable insulating layer |
| WO2023134404A1 (en) * | 2022-01-14 | 2023-07-20 | 金发科技股份有限公司 | Polycarbonate composition, preparation method therefor and application thereof |
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