CN101215413A - Polycarbonate conductive material and thin film or sheet processed by the same - Google Patents
Polycarbonate conductive material and thin film or sheet processed by the same Download PDFInfo
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- CN101215413A CN101215413A CNA200810019450XA CN200810019450A CN101215413A CN 101215413 A CN101215413 A CN 101215413A CN A200810019450X A CNA200810019450X A CN A200810019450XA CN 200810019450 A CN200810019450 A CN 200810019450A CN 101215413 A CN101215413 A CN 101215413A
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Abstract
The invention discloses a polycarbonate conducting material and a thin film or a sheet material which are processed by the material, which is characterized in that the invention is measured according to the mass portion, the components and contents which are contained by each 100 parts of polycarbonate material are that superconducting material 5-15 parts, toughening agent 2-10 parts and auxiliary agent 0.1-0.5 parts. Textures are existed on the conductive thin film or sheet material of the polycarbonate. The conducting polycarbonate material and the sheet material products have excellent polycarbonate conducting material and mechanical strength, and the electrical conductivity of the material is obviously improved, and the other physical properties are not obviously influenced because of the electrical conductivity, thereby the invention can be better employed.
Description
Technical field
The film or the sheet material that the present invention relates to a kind of polycarbonate conductive material and utilize this kind electro-conductive material to process, thus make insulating polycarbonate film or sheet material become conductive film or sheet material, further be applied.
Background technology
Because electronic component is easily by the spark damage of generation of static electricity that be with, usually by being sealed in, it is called in the packing or container of " conduction (anlistatig) carrier band or load plate ", with to various electronic components, for example ICs, electrical condenser, transistor and LSIs store and deliver.Perhaps the electrically conducting coating preparation is applied to electric insulation resin and carries out mold pressing or other container for moulding or packaged surface, so that offer packing or container electroconductibility to a certain degree, with static electrification on these packings that prevent to be used to transport electronic component or the container.
Summary of the invention
First purpose of the present invention provides a kind of polycarbonate conductive material, and another object of the present invention then provides polycarbonate conductive film or the sheet material that a kind of polycarbonate material that utilizes this kind conduction processes.
The technical scheme that realizes first purpose of the present invention is such:
A kind of polycarbonate conductive material is characterized in that: by weight percentage, comprise following composition and content thereof in per 100 parts of polycarbonate powders:
5～15 parts of superconducting materials;
2～10 parts of toughner;
0.1～0.5 part of auxiliary agent.
By weight percentage, comprise following composition and content thereof in per 100 parts of polycarbonate powders:
7～13 parts of superconducting materials;
4～8 parts of toughner;
0.1～0.5 part of auxiliary agent.
By weight percentage, comprise following composition and content thereof in per 100 parts of polycarbonate powders:
9～11 parts of superconducting materials;
5～6 parts of toughner;
0.1～0.5 part of auxiliary agent.
Described superconducting material can be one or more in superconduction carbon black, conductive carbon fibre or the CNT (carbon nano-tube), and this kind superconducting material electric conductivity height is less to the stability influence of polycarbonate material itself.
Described toughner is the rubber-like multipolymer.
Described auxiliary agent comprises dispersion agent and stablizer, and wherein the content ratio of dispersion agent and stablizer is 7: 3.Dispersion agent is as a kind of subsidiary material composition, the superconducting material of adding is evenly dispersed in the polycarbonate powder, the stablizer of another kind of subsidiary material composition can prevent that then polycarbonate material at high temperature turns to be yellow, degrades, to guarantee that polycarbonate conductive material performance of the present invention can not change, outward appearance can not turned to be yellow.
The present invention realizes that the technical scheme of first purpose is to form with polycarbonate material with based on the weighting agent of superconduction carbon black material and other auxiliary agents such as dispersant with high efficiency and stablizer blend granulation, become a kind of polycarbonate material with conductivity, this kind conductive polycarbonate material is combined by a certain percentage by polycarbonate, superconduction carbon black or electro-conductive fiber.Because carbon black-filled material adds the matrix polycarbonate, poly-carbonic acid resistance is reduced rapidly, reach desired electric conductivity, but other rerum natura of polycarbonate is subjected to certain decline, for example the toughness of tensile strength, tensile modulus and toughness, particularly material is had a strong impact on, at this moment, the toughner that must add some amount improves the physicals of conductive polycarbonate material, the toughner preferred rubber analog copolymer of interpolation.
Polycarbonate raw material of the present invention can be realized by following preparation method:
1. mechanical pre-mixing
Superconduction carbon black or electro-conductive fiber, copolymer toughened dose of rubber-like and dispersion agent, stablizer are added in the powdery polycarbonate substrate, in high speed mixer, carry out high-speed mixing;
2. melting mixing
The mixture that high-speed mixing is good is put into the twin screw extruder melt blending and is extruded, and the temperature in each district of forcing machine is controlled between 220 ℃～300 ℃.Screw speed is controlled at 15～45 rev/mins.
3. cooling and dicing
Melt blended material extrudes after room-temperature water bath cooling back pelletizing.
The technical scheme that realizes second purpose of the present invention is such:
A kind of polycarbonate conductive film or sheet material that utilizes polycarbonate conductive material of the present invention to process is characterized in that: have texture on described polycarbonate conductive film or the sheet material.
The thickness of described polycarbonate conductive film or sheet material is 0.1～1.2 millimeter.
The thickness of described polycarbonate conductive film or sheet material is 0.2～0.8 millimeter.
The surface resistivity of described polycarbonate conductive film or sheet material is 10
3～10
5Ω/sq.
The surface resistivity of described polycarbonate conductive film or sheet material is 10
4Ω/sq.
The conductive polycarbonate material produce that the technical scheme of second purpose of realization the present invention adopts first purpose of the present invention to provide is processed into film or the sheet material with two-sided texture, wherein said two-sided texture is meant that two masks at film or sheet material have polished surface, dull surface, frosting, frosting comprises coarse sand, medium sand, fine sand and very fine sand, and the thickness of sand grains is by weighing in the roughness of film or sheet surface formation texture.The two sides can be identical texture, also can be different textures.This film and sheet material can preferably have 10
3To 10
5The surface resistivity of Ω/sq; And this film or sheet material preferably be used for electronic component packaging or container, more is better than being used for " conduction (anlistatig) carrier band or load plate ".
The present invention adopts the conductive polycarbonate material of aforesaid method system to be used for the film or the sheet material of processing special texture, is processing film or sheet material by the following method:
1. drying course
The polycarbonate raw material of above-mentioned production is joined in the feed bin of specific equipment of film or sheet preparation raw material is dried, polycarbonate is a kind of macromolecular material of very easily moisture absorption, if do not dry before the process for processing, the contained moisture content of material can cause film surface to produce a large amount of bubbles and influences the performance of product in the production process.
2. melting mixing is extruded
Raw material after the oven dry is put into the single screw extrusion machine melt blending extrude, the temperature in each district of forcing machine is controlled between 220 ℃～300 ℃.Screw speed is controlled at 15～45 rev/mins.By the extrusion moulding of T type head
3. moulding and rolling
Conductive polycarbonate after melt extruding from T type head is squeezed into two-sided film with certain texture through special three-roll formation system, obtains final finished through typing and aftertreatment rolling again.
Embodiment
For making your auditor and the public can further understand feature of the present invention and beneficial effect thereof, the spy is described in detail as follows the specific embodiment of the present invention in conjunction with the embodiments:
Embodiment 1:
A kind of polycarbonate conductive material by weight percentage, comprises following composition and content thereof in per 100 parts of polycarbonate powders:
5 parts of superconduction carbon blacks;
2 parts of toughner;
0.35 part of dispersion agent;
0.15 part of stablizer.
The material of above-mentioned each component is put into high-speed mixer carry out pre-mixing, high-speed stirring, the rotating speed of high-speed mixer is a granulated into the conductive polycarbonate material through twin screw extruder again more than 1500rpm/min.Forcing machine is controlled through nine sections temperature, the opening for feed humidity province is controlled at 240～260 ℃, and the melt zone temperature is controlled at 250～270 ℃, and mixing district temperature is controlled at 270～290 ℃, the exhaust section greenhouse is controlled at 260～280 ℃, and the extruding zone temperature is controlled at 250～260 ℃.Extrude after after the tank cooling, make the conductive polycarbonate material to stock cutter through tractor.
The above-mentioned conductive polycarbonate material of making was added the dry feed bin internal heating of hot air circulation more than 4 hours, temperature is controlled at 80～120 ℃, the raw material of heating, drying sent in the single screw extrusion machine extrude, the temperature of each of forcing machine section is: 210 ℃, 230 ℃, 275 ℃, 275 ℃, 275 ℃, 275 ℃, through the melt of fusion plastification after filtration, metering is sent into T type head and is extruded into sheet, according to using needs, the flaky material thickness range is at 0.1～1.2 millimeter, flaky material melts under the state through having the three rollers extruding of certain texture in heat, cooling, typing is again through the desired conduction finished product of aftertreatment harvest.Wherein said three roller texture-combined comprise: light face/mute light, light face/coarse sand, light face/medium sand, light face/fine sand, light face/light face, mute light/coarse sand, mute light/medium sand, mute light/fine sand etc.
Embodiment 2:
A kind of polycarbonate conductive material by weight percentage, comprises following composition and content thereof in per 100 parts of polycarbonate powders:
5 parts of superconduction carbon blacks;
6 parts of toughner;
0.35 part of dispersion agent;
0.15 part of stablizer.
Polycarbonate conductive material and utilize the polycarbonate conductive film of this polycarbonate conductive material processing or the preparation method of sheet material with embodiment 1.
Embodiment 3:
A kind of polycarbonate conductive material by weight percentage, comprises following composition and content thereof in per 100 parts of polycarbonate powders:
10 parts of superconduction carbon blacks;
6 parts of toughner;
0.35 part of dispersion agent;
0.15 part of stablizer.
Polycarbonate conductive material and utilize the polycarbonate conductive film of this polycarbonate conductive material processing or the preparation method of sheet material with embodiment 1.
Embodiment 4:
A kind of polycarbonate conductive material by weight percentage, comprises following composition and content thereof in per 100 parts of polycarbonate powders:
10 parts of superconduction carbon blacks;
8 parts of toughner;
0.35 part of dispersion agent;
0.15 part of stablizer.
Polycarbonate conductive material and utilize the polycarbonate conductive film of this polycarbonate conductive material processing or the preparation method of sheet material with embodiment 1.
Embodiment 5:
A kind of polycarbonate conductive material by weight percentage, comprises following composition and content thereof in per 100 parts of polycarbonate powders:
15 parts of superconduction carbon blacks;
8 parts of toughner;
0.35 part of dispersion agent;
0.15 part of stablizer.
Polycarbonate conductive material and utilize the polycarbonate conductive film of this polycarbonate conductive material processing or the preparation method of sheet material with embodiment 1.
Embodiment 6:
A kind of polycarbonate conductive material by weight percentage, comprises following composition and content thereof in per 100 parts of polycarbonate powders:
15 parts of superconduction carbon blacks;
10 parts of toughner;
0.35 part of dispersion agent;
0.15 part of stablizer.
Polycarbonate conductive material and utilize the polycarbonate conductive film of this polycarbonate conductive material processing or the preparation method of sheet material with embodiment 1.
In order to investigate the conductivity of conductive polycarbonate material provided by the invention, we adopt the surface resistivity of high-precision surface resistance instrument testing conductive polycarbonate film or sheet material, the result finds that also the surface resistivity of film or sheet material can't influence the surface resistivity of material because of the difference of superficial makings, and compare comparing result such as following table with the physicals of pure polycarbonate sheet:
| Sequence number | Rerum natura | Performance index | Unit | Testing standard | |
| Pure polycarbonate film or sheet material | Conductive polycarbonate film or sheet material | ||||
| 1 | Density | 1.2 | 1.25 | g/cm3 | ISO 1183 |
| 2 | Water-intake rate | 0.34 | 0.38 | ％ | ASTM D570 |
| 4 | Tensile strength | 65.5 | 63.5 | Mpa | ASTM D882 |
| 5 | Extension at break | 125～140 | 110 | ％ | ASTM D882 |
| 6 | Tensile modulus | 2500 | 2350 | MPa | ASTM D882 |
| 8 | Flammable | V-2 | V-2 | / | UL-94 |
| 9 | Surface resistivity | 1.00E+15 | 1.00E+04 | Ω | ASTM D257 |
| 10 | Volume resistance | 1.00E+16 | 1.00E+05 | Ω·CM | ASTM D257 |
| 14 | The vitrifying temperature | 150 | 148 | ℃ | ISO 11357 |
Pure polycarbonate sheet and conductive polycarbonate sheet material are same thickness in the table, and superficial makings is also identical.Test is to carry out under same under identical temperature and humidity condition test examination device.
Comparing result from table is obviously seen, can obtain excellent electroconductibility and physical strength from conductive polycarbonate material of the present invention and sheet material products, the electroconductibility of material obviously improves, and other physicalies are not subjected to obvious influence because of conductivity, thereby can well use.
The foregoing description only is explanation technical conceive of the present invention and characteristics, and its purpose is to allow the personage who is familiar with this technology can understand content of the present invention and enforcement according to this, can not limit protection scope of the present invention with this.All equivalences that content is done according to the present invention change or modify, and all should be encompassed within protection scope of the present invention.
Claims (10)
1. polycarbonate conductive material is characterized in that: by weight percentage, comprise following composition and content thereof in per 100 parts of polycarbonate powders:
5～15 parts of superconducting materials;
2～10 parts of toughner;
0.1～0.5 part of auxiliary agent.
2. polycarbonate conductive material according to claim 1 is characterized in that: by weight percentage, comprise following composition and content thereof in per 100 parts of polycarbonate powders:
7～13 parts of superconducting materials;
4～8 parts of toughner;
0.1～0.5 part of auxiliary agent.
3. polycarbonate conductive material according to claim 1 is characterized in that: by weight percentage, comprise following composition and content thereof in per 100 parts of polycarbonate powders:
9～11 parts of superconducting materials;
5～6 parts of toughner;
0.1～0.5 part of auxiliary agent.
4. according to claim 1 or 2 or 3 described polycarbonate conductive materials, it is characterized in that: described superconducting material is one or more in conductive carbon black, conductive carbon fibre or the CNT (carbon nano-tube).
5. according to claim 1 or 2 or 3 described polycarbonate conductive materials, it is characterized in that: described toughner is the rubber-like multipolymer.
6. according to claim 1 or 2 or 3 described polycarbonate conductive materials, it is characterized in that: described auxiliary agent comprises dispersion agent and stablizer.
7. polycarbonate conductive material according to claim 6 is characterized in that: the content ratio of described dispersion agent and stablizer is 7: 3.
8. a polycarbonate conductive film or a sheet material that utilizes the described polycarbonate conductive material of claim 1 to process is characterized in that: have texture on described polycarbonate conductive film or the sheet material.
9. polycarbonate conductive film according to claim 8 or sheet material is characterized in that: the thickness of described polycarbonate conductive film or sheet material is 0.1～1.2 millimeter.
10. polycarbonate conductive sheet according to claim 8 is characterized in that: the surface resistivity of described polycarbonate conductive film or sheet material is 10
3～10
5Ω/sq.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200810019450XA CN101215413A (en) | 2008-01-02 | 2008-01-02 | Polycarbonate conductive material and thin film or sheet processed by the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200810019450XA CN101215413A (en) | 2008-01-02 | 2008-01-02 | Polycarbonate conductive material and thin film or sheet processed by the same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101215413A true CN101215413A (en) | 2008-07-09 |
Family
ID=39621927
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA200810019450XA Pending CN101215413A (en) | 2008-01-02 | 2008-01-02 | Polycarbonate conductive material and thin film or sheet processed by the same |
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|---|---|
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102532839A (en) * | 2010-12-29 | 2012-07-04 | 合肥杰事杰新材料股份有限公司 | High-performance conductive polycarbonate material and preparation method thereof |
| CN102585429A (en) * | 2011-01-11 | 2012-07-18 | 合肥杰事杰新材料股份有限公司 | Resin material, preparation method and applications of resin material |
| CN103466192A (en) * | 2013-09-07 | 2013-12-25 | 昆山地博光电材料有限公司 | Special polycarbonate film for blanking carrier bands |
| CN103482221A (en) * | 2013-09-07 | 2014-01-01 | 昆山地博光电材料有限公司 | Polycarbonate film special for carrier band and provided with stretching cavities |
| CN105694409A (en) * | 2015-09-18 | 2016-06-22 | 安庆市天涯汽车配件有限公司 | Conductive polycarbonate and preparation method thereof |
| CN105860486A (en) * | 2016-06-03 | 2016-08-17 | 苏州市奎克力电子科技有限公司 | Preparation method of antistatic flexible film material |
| CN106928678A (en) * | 2015-12-30 | 2017-07-07 | 上海杰事杰新材料(集团)股份有限公司 | A kind of lightweight electromagnetic shielding makrolon material and preparation method thereof |
| CN108384214A (en) * | 2018-04-17 | 2018-08-10 | 刚海堂 | A kind of preparation method of makrolon composite material |
| CN109421287A (en) * | 2017-08-22 | 2019-03-05 | 毛丛敏 | A kind of production method for the PC sheet material of matt after thermoforming |
-
2008
- 2008-01-02 CN CNA200810019450XA patent/CN101215413A/en active Pending
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102532839A (en) * | 2010-12-29 | 2012-07-04 | 合肥杰事杰新材料股份有限公司 | High-performance conductive polycarbonate material and preparation method thereof |
| CN102532839B (en) * | 2010-12-29 | 2015-04-15 | 合肥杰事杰新材料股份有限公司 | High-performance conductive polycarbonate material and preparation method thereof |
| CN102585429A (en) * | 2011-01-11 | 2012-07-18 | 合肥杰事杰新材料股份有限公司 | Resin material, preparation method and applications of resin material |
| CN102585429B (en) * | 2011-01-11 | 2015-02-25 | 合肥杰事杰新材料股份有限公司 | Resin material, preparation method and applications of resin material |
| CN103466192A (en) * | 2013-09-07 | 2013-12-25 | 昆山地博光电材料有限公司 | Special polycarbonate film for blanking carrier bands |
| CN103482221A (en) * | 2013-09-07 | 2014-01-01 | 昆山地博光电材料有限公司 | Polycarbonate film special for carrier band and provided with stretching cavities |
| CN105694409A (en) * | 2015-09-18 | 2016-06-22 | 安庆市天涯汽车配件有限公司 | Conductive polycarbonate and preparation method thereof |
| CN106928678A (en) * | 2015-12-30 | 2017-07-07 | 上海杰事杰新材料(集团)股份有限公司 | A kind of lightweight electromagnetic shielding makrolon material and preparation method thereof |
| CN105860486A (en) * | 2016-06-03 | 2016-08-17 | 苏州市奎克力电子科技有限公司 | Preparation method of antistatic flexible film material |
| CN109421287A (en) * | 2017-08-22 | 2019-03-05 | 毛丛敏 | A kind of production method for the PC sheet material of matt after thermoforming |
| CN108384214A (en) * | 2018-04-17 | 2018-08-10 | 刚海堂 | A kind of preparation method of makrolon composite material |
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Open date: 20080709 |