CN106928681A - A kind of insulating materials and preparation method thereof - Google Patents
A kind of insulating materials and preparation method thereof Download PDFInfo
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- CN106928681A CN106928681A CN201710082371.2A CN201710082371A CN106928681A CN 106928681 A CN106928681 A CN 106928681A CN 201710082371 A CN201710082371 A CN 201710082371A CN 106928681 A CN106928681 A CN 106928681A
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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
- C08L69/00—Compositions of polycarbonates; Compositions of derivatives of polycarbonates
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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Abstract
The invention discloses a kind of insulating materials and preparation method thereof, it is characterised in that comprise the following steps：1) compound by Different Weight percentage chemical constituent：Polycarbonate, carbon black, high temperature resistant dispersant and antioxidant heating stirring 1min 2min, the heating stirring temperature are 220 DEG C 270 DEG C；2) by step 1) in the heating extrusion molding of compound screw rod, be cooled to room temperature, the heating extrusion temperature is 220 DEG C 270 DEG C；The insulating materials prepared by above method has preferable heat resistance and dielectric constant higher, it is possible to prevente effectively from when electronic equipment runs, super overload current punctures insulating materials, causes electronic equipment short circuit.
Description
Technical field
The present invention relates to a kind of high-molecular organic material, and in particular to a kind of insulating materials and preparation method thereof.
Background technology
Insulating materials species is a lot, can divide gas, liquid, solid three major types.Conventional gas insulating material has air, nitrogen
Gas, sulfur hexafluoride etc..Liquid insulating material mainly has mineral insulating oil, synthetic insulating oil (silicone oil, detergent alkylate, poly- isobutyl
Alkene, isopropyl biphenyl, diarylethane etc.) two classes.Solid insulating material can be divided to organic and inorganic two class.Organic solid insulation material
Material includes insulated paint, insulating cement, insulating paper, non-conductive fibre product, plastics, rubber, varnished cloth, paint pipe and insulation impregnating fiber system
Product, electrician are with film, composite article and adhesive tape, electrician's laminated product etc..Inoganic solids insulating materials mainly has mica, glass
Glass, ceramics and its product.By contrast, solid insulating material is numerous in variety, is also most widely used.
At present, in today of high tech electron fast development, increasing electronic equipment enters=enters family's life of people
It is living, in order to allow people using more safety, it is necessary to the better insulating materials of insulation effect carries out electronic equipment
Insulation；In work on hand and life, existing solid insulating material is manufactured by common DIN standard productions, for example：It is heat-resisting
90 burnt connection polyethylene, polyvinyl chloride, it has the disadvantage：It is thermo-labile；Common polyvinyl chloride insulated with material degree 0.6~110 can not
Excess load, super overload current is easy to puncture insulating materials, causes electronic equipment short circuit；In naked light, easily it is ignited, discharges
Go out suffocative toxic gas, pollute environment.Dielectric constant height is to weigh solid insulating material to protect journey to electronic equipment
One important indicator of degree.The material of high-k is put in the electric field, the intensity of electric field can have in dielectric it is considerable under
Drop.Therefore, urgently occur that a kind of heat resistance is good at this stage, high-k insulating materials and preparation method thereof.
The content of the invention
In order to solve the above technical problems, good, high-k exhausted it is an object of the invention to provide a kind of heat resistance
Edge material and preparation method thereof.
To reach above-mentioned purpose, technical scheme is as follows：
A kind of insulating materials and preparation method thereof, comprises the following steps：
1) compound by Different Weight percentage chemical constituent：Polycarbonate, carbon black, high temperature resistant dispersant and anti-oxidant
Agent heating stirring 1min-2min, the heating stirring temperature is 220 DEG C -270 DEG C；
2) by step 1) in the heating extrusion molding of compound screw rod, be cooled to room temperature, the heating extrusion temperature is 220
℃-270℃。
A kind of insulating materials and preparation method thereof that the present invention is provided, the insulating materials prepared by above method have compared with
Good heat resistance and dielectric constant higher, it is possible to prevente effectively from when electronic equipment runs, super overload current punctures insulation
Material, causes electronic equipment short circuit.
On the basis of above-mentioned technical proposal, the present invention can also make following improvement：
Preferably, the percentage by weight of the chemical constituent is as follows：
Polycarbonate：97%-98%；
Carbon black：1%-2%；
High temperature resistant dispersant：0.1%-0.5%；
Antioxidant：0.3%-0.5%.
Using above-mentioned preferred scheme, the chemical constituent stabilization of insulating materials is prepared, its chemical property and physical property are equal
It is excellent.
Preferably, the preferred percentage by weight of the chemical constituent is as follows：
Polycarbonate：97%；
Carbon black：2%；
High temperature resistant dispersant：0.5%；
Antioxidant：0.5%.
Using above-mentioned preferred scheme, the chemical constituent stabilization of insulating materials is prepared, its chemical property and physical property are equal
It is excellent.
Preferably, the preferred percentage by weight of the chemical constituent is as follows：
Polycarbonate：97.5%；
Carbon black：1.8%；
High temperature resistant dispersant：0.4%；
Antioxidant：0.3%.
Using above-mentioned preferred scheme, the chemical constituent stabilization of insulating materials is prepared, its chemical property and physical property are equal
It is excellent.
Preferably, the preferred percentage by weight of the chemical constituent is as follows：
Polycarbonate：97.9%；
Carbon black：1.4%；
High temperature resistant dispersant：0.3%；
Antioxidant：0.4%.
Using above-mentioned preferred scheme, the chemical constituent stabilization of insulating materials is prepared, its chemical property and physical property are equal
It is excellent.
Preferably, the percentage by weight sum of the chemical constituent is 100%.
Preferably, the polycarbonate is preferably aromatic polycarbonate fat.
Using above-mentioned preferred scheme, optimization aromatic makrolon mechanical performance of the present invention is higher, in addition fragrant adoption
Carbonic ester has good and constant electrical insulating property in temperature wider, humidity range, is excellent insulating materials.Meanwhile,
Its good flame retardancy and dimensional stability, makes it form wide application field in electronic enterprises..
Preferably, the high temperature resistant dispersant is preferably N, N '-ethylene bis stearamide.
Using above-mentioned preferred scheme, N, N '-ethylene bis stearamide is added to have good during synthetic insulating material
Good anti-stick and resistive connection block effect, plays the effect for increasing its lustrous surface to insulating materials shaping in addition.
Preferably, the antioxidant preferred polyolefm, acrylonitrile-butadiene-styrene (ABS), polyformaldehyde, polychlorostyrene
Two kinds in ethene, nylon.
Using above-mentioned preferred scheme, antioxidant can capture the free radical of activity, generate nonactive free radical, or
The polymer hydroperoxides produced in oxidizing process can be decomposed, terminates chain reaction, delay the oxidation of polymer
Journey.So that polymer can be smoothed out processing, and extend the service life of insulating materials.In addition when antioxidant and with appropriately,
Their whole effect exceed each of which be used alone efficiency plus and.
Preferably, the dielectric constant of described insulating materials is not less than 1700V/mil, described insulating materials
Percent thermal shrinkage ＜ 1.0% and ＞ 0%.
Using above-mentioned preferred scheme, the dielectric constant of insulating materials is not less than 1700V/mil, the material of high-k
Put in the electric field, the intensity of electric field can have considerable decline in dielectric, and in brief, dielectric constant is higher, material it is exhausted
Edge performance is better；The percent thermal shrinkage ＜ 1.0% and ＞ 0% of insulating materials, relatively low hot yield prove the heat resistance of insulating materials
Can be preferably.
Specific embodiment
The following detailed description of the preferred embodiment of the present invention.
Embodiment 1,
In order to reach the purpose of the present invention, a kind of insulating materials and preparation method thereof, the insulating materials quilt in the present embodiment
Labeled as insulating materials 1, the preparation process of insulating materials 1：1) compound by Different Weight percentage chemical constituent：Poly- carbonic acid
Fat, carbon black, high temperature resistant dispersant and antioxidant heating stirring 1min-2min, the heating stirring temperature are 220 DEG C -270
℃；2) by step 1) in the heating extrusion molding of compound screw rod, be cooled to room temperature, the heating extrusion temperature is 220 DEG C -270
℃.The percentage by weight of the chemical constituent of the insulating materials 1 is as follows：
Polycarbonate：97%；
Carbon black：2%；
High temperature resistant dispersant：0.5%；
Antioxidant：0.5%.
The percentage by weight sum of the chemical constituent of the insulating materials 1 is 100%.
The carbon black prepared in insulating materials chemical constituent in the present embodiment has following excellent speciality：1. best black
Pigment；2. most cheap pigment is almost；3. the most strong pigment of tinting strength, tinting power and covering power；4. in neutrality on visual perception；5. most
It is the pigment of stabilization, heat-resisting, chemicals-resistant, fast light.
Polycarbonate is preferably aromatic polycarbonate fat, optimization aromatic makrolon mechanicalness of the present invention in the present embodiment
Can be higher, aromatic copolycarbonate has good and constant electrical insulating property in temperature wider, humidity range in addition, is excellent
Good insulating materials.Meanwhile, its good flame retardancy and dimensional stability makes it form wide answering in electronic enterprises
Use field.
High temperature resistant dispersant described in the present embodiment is preferably N, N '-ethylene bis stearamide, the mistake of synthetic insulating material
N, N '-ethylene bis stearamide are added in journey has good anti-stick and resistive connection block effect, and insulating materials shaping is played in addition
Increase the effect of its lustrous surface.
Antioxidant preferred polyolefm described in the present embodiment, acrylonitrile-butadiene-styrene (ABS), polyformaldehyde, polychlorostyrene second
Two kinds in alkene, nylon；Antioxidant can capture the free radical of activity, generate nonactive free radical, or can decompose in oxygen
The polymer hydroperoxides produced during change, terminate chain reaction, delay the oxidizing process of polymer.So that polymerization
Thing can be smoothed out processing, and extend the service life of insulating materials.In addition when antioxidant and with appropriately, their whole effect surpasses
Cross each of which exclusive use efficiency plus and.
Detected by " test method of ASTM D149 dielectric breakdown voltages and dielectric strength ", the dielectric of insulating materials 1 is normal
Number is 1735V/mil, is detected by " standard test method of the non-stiffness thermoplastic sheet of ASTM D1204 high temperature dots ", insulation heat
Shrinkage factor material 1 is 0.8%；When temperature be 25 DEG C, humidity is 50%, by " ASTM D257 insulating materials D.C. resistances or
Conductance test method " detects that the volume insulation resistance rate of insulating materials 1 is 1016Ohm.m, its surface insulation resistivity is
1015Ohm.Testing result proves that insulating materials 1 prepared by method in the present embodiment has relatively low percent thermal shrinkage and higher
Dielectric constant and resistivity, its insulating properties and heat resistance are preferable, it is possible to prevente effectively from when electronic equipment runs, exceeding
Carry electric current and puncture insulating materials, cause electronic equipment short circuit.
Embodiment 2,
In order to reach the purpose of the present invention, a kind of insulating materials and preparation method thereof, the preparation of the insulating materials and reality
Apply that example 1 is identical, difference is the percentage by weight of the chemical constituent for preparing insulating materials, is chosen in this embodiment
Insulating materials is marked as insulating materials 2, and the percentage by weight of the chemical constituent of the insulating materials 2 is as follows：
Polycarbonate：97.5%；
Carbon black：1.8%；
High temperature resistant dispersant：0.4%；
Antioxidant：0.3%.
The percentage by weight sum of the chemical constituent of the insulating materials 2 is 100%.
The carbon black prepared in insulating materials chemical constituent in the present embodiment has following excellent speciality：1. best black
Pigment；2. most cheap pigment is almost；3. the most strong pigment of tinting strength, tinting power and covering power；4. in neutrality on visual perception；5. most
It is the pigment of stabilization, heat-resisting, chemicals-resistant, fast light.
Polycarbonate is preferably aromatic polycarbonate fat, optimization aromatic makrolon mechanicalness of the present invention in the present embodiment
Can be higher, aromatic copolycarbonate has good and constant electrical insulating property in temperature wider, humidity range in addition, is excellent
Good insulating materials.Meanwhile, its good flame retardancy and dimensional stability makes it form wide answering in electronic enterprises
Use field.
High temperature resistant dispersant described in the present embodiment is preferably N, N '-ethylene bis stearamide, the mistake of synthetic insulating material
N, N '-ethylene bis stearamide are added in journey has good anti-stick and resistive connection block effect, and insulating materials shaping is played in addition
Increase the effect of its lustrous surface.
Antioxidant preferred polyolefm described in the present embodiment, acrylonitrile-butadiene-styrene (ABS), polyformaldehyde, polychlorostyrene second
Two kinds in alkene, nylon；Antioxidant can capture the free radical of activity, generate nonactive free radical, or can decompose in oxygen
The polymer hydroperoxides produced during change, terminate chain reaction, delay the oxidizing process of polymer.So that polymerization
Thing can be smoothed out processing, and extend the service life of insulating materials.In addition when antioxidant and with appropriately, their whole effect surpasses
Cross each of which exclusive use efficiency plus and.
Detected by " test method of ASTM D149 dielectric breakdown voltages and dielectric strength ", the dielectric of insulating materials 2 is normal
Number is 1967V/mil, is detected by " standard test method of the non-stiffness thermoplastic sheet of ASTM D1204 high temperature dots ", insulation material
The percent thermal shrinkage of material 2 is 0.34%；When temperature is 25 DEG C, humidity is 50%, by " ASTM D257 insulating materials D.C. resistances
Or conductance test method " detection, the volume insulation resistance rate of insulating materials 2 is 1017Ohm.m, its surface insulation resistivity is
1016Ohm；Testing result proves that insulating materials 2 prepared by method in the present embodiment has relatively low percent thermal shrinkage and higher
Dielectric constant and resistivity, its insulating properties and heat resistance are preferable, it is possible to prevente effectively from when electronic equipment runs, exceeding
Carry electric current and puncture insulating materials, cause electronic equipment short circuit.
Embodiment 3,
In order to reach the purpose of the present invention, a kind of insulating materials and preparation method thereof, the preparation of the insulating materials and reality
Apply that example 1 is identical, difference is the percentage by weight of the chemical constituent for preparing insulating materials, is chosen in this embodiment
Insulating materials is marked as insulating materials 3, and the percentage by weight of the chemical constituent of the insulating materials 3 is as follows：
Polycarbonate：97.9%；
Carbon black：1.4%；
High temperature resistant dispersant：0.3%；
Antioxidant：0.4%.
The percentage by weight sum of the chemical constituent of the insulating materials 3 is 100%.
The carbon black prepared in insulating materials chemical constituent in the present embodiment has following excellent speciality：1. best black face
Material；2. most cheap pigment is almost；3. the most strong pigment of tinting strength, tinting power and covering power；4. in neutrality on visual perception；5. most steady
It is fixed pigment, heat-resisting, chemicals-resistant, fast light.
Polycarbonate is preferably aromatic polycarbonate fat, optimization aromatic makrolon mechanicalness of the present invention in the present embodiment
Can be higher, aromatic copolycarbonate has good and constant electrical insulating property in temperature wider, humidity range in addition, is excellent
Good insulating materials.Meanwhile, its good flame retardancy and dimensional stability makes it form wide answering in electronic enterprises
Use field.
High temperature resistant dispersant described in the present embodiment is preferably N, N '-ethylene bis stearamide, the mistake of synthetic insulating material
N, N '-ethylene bis stearamide are added in journey has good anti-stick and resistive connection block effect, and insulating materials shaping is played in addition
Increase the effect of its lustrous surface.
Antioxidant preferred polyolefm described in the present embodiment, acrylonitrile-butadiene-styrene (ABS), polyformaldehyde, polychlorostyrene second
Two kinds in alkene, nylon；Antioxidant can capture the free radical of activity, generate nonactive free radical, or can decompose in oxygen
The polymer hydroperoxides produced during change, terminate chain reaction, delay the oxidizing process of polymer.So that polymerization
Thing can be smoothed out processing, and extend the service life of insulating materials.In addition when antioxidant and with appropriately, their whole effect surpasses
Cross each of which exclusive use efficiency plus and.
Detected by " test method of ASTM D149 dielectric breakdown voltages and dielectric strength ", the dielectric of insulating materials 3 is normal
Number is 1852V/mil, by " standard test method of the non-stiffness thermoplastic sheet of ASTM D1204 high temperature dots ", insulating materials 3
Percent thermal shrinkage be 0.52%；When temperature is 25 DEG C, humidity is 50%, by " ASTM D257 insulating materials D.C. resistances or electricity
Lead test method " detection, the volume insulation resistance rate of insulating materials 3 is 1015Ohm.m, its surface insulation resistivity is
1014Ohm；Testing result proves that insulating materials 3 prepared by method in the present embodiment has relatively low percent thermal shrinkage and higher
Dielectric constant and resistivity, its insulating properties and heat resistance are preferable, it is possible to prevente effectively from when electronic equipment runs, exceeding
Carry electric current and puncture insulating materials, cause electronic equipment short circuit.
Above-described is only the preferred embodiment of the present invention, it is noted that for one of ordinary skill in the art
For, without departing from the concept of the premise of the invention, various modifications and improvements can be made, these belong to the present invention
Protection domain.
Claims (10)
1. a kind of insulating materials and preparation method thereof, it is characterised in that comprise the following steps：
1) compound by Different Weight percentage chemical constituent：Polycarbonate, carbon black, high temperature resistant dispersant and antioxidant add
Thermal agitation 1min-2min, the heating stirring temperature is 220 DEG C -270 DEG C；
2) by step 1) in the heating extrusion molding of compound screw rod, be cooled to room temperature, the heating extrusion temperature is 220 DEG C -270
℃。
2. insulating materials according to claim 1 and preparation method thereof, it is characterised in that the weight hundred of the chemical constituent
Divide ratio as follows：
Polycarbonate：97%-98%；
Carbon black：1%-2%；
High temperature resistant dispersant：0.1%-0.5%；
Antioxidant：0.3%-0.5%.
3. insulating materials according to claim 1 and preparation method thereof, it is characterised in that the chemical constituent is preferably weighed
Amount percentage is as follows：
Polycarbonate：97%；
Carbon black：2%；
High temperature resistant dispersant：0.5%；
Antioxidant：0.5%.
4. insulating materials according to claim 1 and preparation method thereof, it is characterised in that the chemical constituent is preferably weighed
Amount percentage is as follows：
Polycarbonate：97.5%；
Carbon black：1.8%；
High temperature resistant dispersant：0.4%；
Antioxidant：0.3%.
5. insulating materials according to claim 1 and preparation method thereof, it is characterised in that the chemical constituent is preferably weighed
Amount percentage is as follows：
Polycarbonate：97.9%；
Carbon black：1.4%；
High temperature resistant dispersant：0.3%；
Antioxidant：0.4%.
6. insulating materials according to any one of claim 1-5 and preparation method thereof, it is characterised in that the chemical group
The percentage by weight sum divided is 100%.
7. insulating materials according to claim 1 and preparation method thereof, it is characterised in that the polycarbonate is preferably virtue
Fragrant adoption carbonic ether.
8. insulating materials according to claim 1 and preparation method thereof, it is characterised in that the high temperature resistant dispersant is preferred
It is N, N '-ethylene bis stearamide.
9. insulating materials according to claim 1 and preparation method thereof, it is characterised in that the preferred polyene of antioxidant
Two kinds in hydrocarbon, acrylonitrile-butadiene-styrene (ABS), polyformaldehyde, polyvinyl chloride, nylon.
10. insulating materials according to claim 1 and preparation method thereof, it is characterised in that Jie of described insulating materials
Electric constant is not less than 1700V/mil, the percent thermal shrinkage ＜ 1.0% and ＞ 0% of described insulating materials.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113567753A (en) * | 2021-07-22 | 2021-10-29 | 武汉理工大学 | Dielectric equivalent conversion method, system, equipment and medium for asphalt mixture |
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| JP2001262016A (en) * | 2000-03-14 | 2001-09-26 | Sumitomo Metal Mining Co Ltd | Dark color ink, and coating liquid, film, substrate, resin composition, and molded resin article prepared by using the same |
| CN104788931A (en) * | 2015-04-28 | 2015-07-22 | 上海锦湖日丽塑料有限公司 | Sunlight-resistant PC/ABS alloy material and preparation method thereof |
| CN105348766A (en) * | 2015-12-01 | 2016-02-24 | 昆山地博光电材料有限公司 | PC thin-film material modification formula |
| CN106349676A (en) * | 2016-08-31 | 2017-01-25 | 广州合成材料研究院有限公司 | Halogen-free flame-retardant PC (polycarbonate) and preparation method thereof |
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2017
- 2017-02-15 CN CN201710082371.2A patent/CN106928681A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001262016A (en) * | 2000-03-14 | 2001-09-26 | Sumitomo Metal Mining Co Ltd | Dark color ink, and coating liquid, film, substrate, resin composition, and molded resin article prepared by using the same |
| CN104788931A (en) * | 2015-04-28 | 2015-07-22 | 上海锦湖日丽塑料有限公司 | Sunlight-resistant PC/ABS alloy material and preparation method thereof |
| CN105348766A (en) * | 2015-12-01 | 2016-02-24 | 昆山地博光电材料有限公司 | PC thin-film material modification formula |
| CN106349676A (en) * | 2016-08-31 | 2017-01-25 | 广州合成材料研究院有限公司 | Halogen-free flame-retardant PC (polycarbonate) and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113567753A (en) * | 2021-07-22 | 2021-10-29 | 武汉理工大学 | Dielectric equivalent conversion method, system, equipment and medium for asphalt mixture |
| CN113567753B (en) * | 2021-07-22 | 2022-04-19 | 武汉理工大学 | Dielectric equivalent conversion method, system, equipment and medium for asphalt mixture |
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Application publication date: 20170707 |