CN101798404A - Flexible non-metallic conducting material - Google Patents
Flexible non-metallic conducting material Download PDFInfo
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- CN101798404A CN101798404A CN201010125044A CN201010125044A CN101798404A CN 101798404 A CN101798404 A CN 101798404A CN 201010125044 A CN201010125044 A CN 201010125044A CN 201010125044 A CN201010125044 A CN 201010125044A CN 101798404 A CN101798404 A CN 101798404A
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- flexible non
- conducting material
- metallic conducting
- metallic
- macromolecular elastomer
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Abstract
The invention relates to a flexible non-metallic conducting material. The flexible non-metallic conducting material is prepared by processing macromolecular elastomers, linear polyethylene, expandable polystyrene, a super-conduction rubber addition finishing agent, sphere-thinned graphite powder, conductive oil, conductive fat, stearic acid, zinc oxide, an anti-aging agent, a promoter and colloid sulfur, is a non-metallic conducting material with high corrosion resistance and can effectively solve the problem that the corrosion of a metallic material grounding body in a grounding device leads to the malfunction of the grounding device and the increase in grounding resistance. The grounding body prepared by using the flexible non-metallic conducting materials of the invention is widely applied to shielding and protective grounding devices in fields such as electric facilities, communication, computer rooms, railways, petrochemical engineering and high-rise buildings.
Description
Technical field
The invention belongs to electric field; be particularly related to a kind of flexible non-metallic conducting material, can be widely used in the protection ground connection in places such as electric wiring, electrical equipment facility, communication, computer house, railway, petrochemical complex, Highrise buildings and the ground connector in the protective earthing device.
Background technology
At electric utility, what the ground connector in places such as electric power power transmission sequence, electrical equipment, facility, communication equipment and facility, computer house, railway, petrochemical complex, Highrise buildings protection ground connection and the protective earthing device generally adopted now is ferrous metal or non-ferrous metal at present.Because the composition in the soil is very complicated, contain and multiplely have the very strong ion of corrosion, and the conductivity in the soil mainly is to rely on these to have very strong corrosive ion to finish in the process of carrying out ion-exchange.In ion exchange process because ferrous metal or non-ferrous metal lose electronics; make metallic substance consume certain ion; will the ground connector of metal be corroded like this; the free area of the ground connector of metal is reduced; can not satisfy passing through of instantaneous large-current; big electric current by the time ground connector heating blow, make grounding device lose the function of protection and protection.It is water insoluble or be slightly soluble in the metal-salt of water that metal can generate new material one in corrosion process in addition, metal-salt is that a kind of resistivity is very high, hard crisp solid, this layer solid metal-salt is wrapped in the outside of ground connector, the metal ground connector can not directly be contacted with soil the stake resistance resistance is increased, do not satisfy the requirement of the grounding resistance of grounding device.At present reach design requirements for the grounding resistance that makes grounding device in this field, adopt a kind of graphite earthing module, the graphite earthing module belongs to a kind of of non-metallic conducting material, but the graphite earthing module of Ying Yonging all is hard crisp up till now, as easy as rolling off a log broken damage the under the effect of external force, can not use as ground connector and electrical conductor, be merely able to use as the surface-area that increases ground connector.The present invention passes through the superconduction finishing composition at high temperature, under the high pressure non-metallic conducting material and elasticity macromolecular material are carried out intermolecular rearranging, make molded material under the effect of electric current, produce intermolecular interlayer slippage and move the hole, tunnel and move, finish the electrical conduction mechanism of material.Therefore this material has good conductivity and extremely strong acidproof, the performance of alkali and various inorganic salt and organic salt.
Summary of the invention
At the deficiencies in the prior art, the invention provides the strong non-metallic conducting material of a kind of erosion resistance, can effectively solve the corrosion of metallic substance ground connector in grounding device and make grounding device lose the difficult problem that due function and grounding resistance increase.
Flexible non-metallic conducting material of the present invention is made up of following material:
Macromolecular elastomer 10～45
Linear polyethylene 1～5
Expandable Polystyrene (EPS) 0.05～0.1
Superconduction rubber adds finishing composition 2～8
Ball desaturation Graphite Powder 99 40～70
Conductive oil 1～5
Conduction fat 2～8
Stearic acid 1～5
Zinc oxide 0.5～2.4
Anti-aging agent 0.1～0.2
Promotor 0.2～0.5
Colloid sulphur 1.5～5
Above-mentioned macromolecular elastomer can be natural polymer elastomerics or synthetic macromolecular elastomer.
Macromolecular elastomer and the rare Graphite Powder 99 of ball are put into kiln at 110 ℃～130 ℃ times dry 3～5 hours, remove the moisture in the material;
Macromolecular elastomer is carried out 10～15 minutes plasticating in Banbury mixer, the macromolecular elastomer after plasticating is eliminated the stress of macromolecular elastomer placing under the exsiccant condition more than 24 hours.
After starting Banbury mixer, the macromolecular elastomer after plasticating is put in the sweet refining machine, when treating that the Banbury mixer temperature is raised to 115 ℃～125 ℃ the rare Graphite Powder 99 of ball and superconduction rubber added finishing composition, conductive oil, conduction fat and stearic acid and join Banbury mixer and carry out banburying.After treating that the interior material mixing of Banbury mixer evenly, add zinc oxide, anti-aging agent and promotor continuation banburying and finish banburying after 3～5 minutes.
Material after the banburying is placed on carries out mixingly in the opening rubber mixing machine, add colloid sulphur when mixing, material after playing triangle bag 3～5 times on the opening rubber mixing machine, is carried out compressing tablet.Thick 3～the 5mm that is controlled at of compressing tablet sheet.
Material behind the compressing tablet after 15～25 minutes, is put into intermittent type hydraulic pressure forcing machine, extrusion moulding in indoor 80～90 ℃ of heating of heating.The material of extrusion moulding vulcanizes on special-purpose vulcanizer.Curing temperature is 145～155 ℃, and curing time is controlled according to molding thickness.
Material of the present invention is owing to have good conductivity, flexible non-metallic conducting material of the present invention is wrapped in the ground connector that grounded metal electro-conductive material core surface is made grounding device, grounded metal material and soil are isolated, avoided metallic substance directly to contact with soil, therefore avoid Corrosion of Metallic Materials, effectively prolonged the acceptable life of grounding device.
The metallic conduction material surface of 4～6 centimetres of left and right sides length in two ends of described ground connector does not wrap up flexible non-metallic conducting material of the present invention, with the connection of convenient several sections ground connectoies.
The above-mentioned ground connector in two ends is joined end to end, the central metal electro-conductive material is fully contacted, the metallic conduction body portion of using jointing will not wrap up flexible non-metallic conducting material then connects, and filling with sealant, the corrosion of interior metal when preventing to use.
Above-mentioned ground connector work-ing life is more than 20 years, and its stake resistance is a stable value, is that other common metal material (not comprising noble metal) is beyond one's reach.
Description of drawings
Fig. 1 is shown as ground connector structural representation in the embodiment of the invention
Fig. 2 is shown as ground connector mode of connection synoptic diagram of the present invention
The sequence number of parts shown in the figure: 1-non-metallic conducting material, the zinc-plated screw thread inner core of 2-, 3-connect termination, 4-ground connector, 5-jointing, 6-seal gum
Embodiment
Below by specific embodiment the present invention is further specified.
The composition of raw materials that uses in the present embodiment is as follows:
Macromolecular elastomer 20
Linear polyethylene 2
Expandable Polystyrene (EPS) 0.2
Superconduction rubber adds finishing composition 5
Ball desaturation Graphite Powder 99 58
Conductive oil 3
Conduction fat 4.5
Stearic acid 3
Zinc oxide 1.2
Anti-aging agent 0.3
Promotor 0.3
Colloid sulphur 2.5
Macromolecular elastomer and the rare Graphite Powder 99 of ball are put into kiln at 120 ℃ times dry 4 hours, remove the moisture in the material;
Macromolecular elastomer is carried out 10～15 minutes plasticating in Banbury mixer, the macromolecular elastomer after plasticating is eliminated the stress of macromolecular elastomer placing under the exsiccant condition more than 24 hours.
After starting Banbury mixer, macromolecular elastomer after plasticating is put in the sweet refining machine by above-mentioned part by weight, when treating that the Banbury mixer temperature is raised to 115 ℃ the rare Graphite Powder 99 of ball and superconduction rubber added finishing composition, conductive oil, conduction fat and stearic acid and join Banbury mixer and carry out banburying.After treating that the interior material mixing of Banbury mixer evenly, add zinc oxide, anti-aging agent and promotor continuation banburying and finish banburying after 4 minutes.
Material after the banburying is placed on carries out mixingly in the opening rubber mixing machine, add colloid sulphur when mixing, material after playing triangle bag 3-5 time on the opening rubber mixing machine, is carried out compressing tablet.Thick 3～the 5mm that is controlled at of compressing tablet sheet.
Material behind the compressing tablet after 20 minutes, is put into intermittent type hydraulic pressure forcing machine, extrusion moulding in the indoor 80 ℃ of heating of heating.The material of extrusion moulding vulcanizes on special-purpose vulcanizer.Curing temperature is 150 ℃, and curing time is controlled according to molding thickness.
The above-mentioned flexible non-metallic conducting material of making is made into ground connector, above-mentioned flexible non-metallic conducting material can be wrapped on the zinc-plated screw thread inner core, and expose 4～6 centimetres zinc-plated screw thread inner core at two ends.
With two sections above-mentioned ground connector butt joints, zinc-plated screw thread inner core is fully contacted, the exposed zinc-plated screw thread inner core that uses jointing will understand together then partly links together, and the filling with sealant sealing.
The composition of raw materials that uses among another embodiment is as follows:
Macromolecular elastomer 25
Linear polyethylene 3
Expandable Polystyrene (EPS) 0.75
Superconduction rubber adds finishing composition 3
Ball desaturation Graphite Powder 99 55
Conductive oil 3
Conduction fat 2.5
Stearic acid 2
Zinc oxide 1.25
Anti-aging agent 0.1
Promotor 0.4
Colloid sulphur 4
With macromolecular elastomer and the rare Graphite Powder 99 of ball put into kiln 130 ℃ dry 3 hours down, or under 110 ℃ of conditions dry 5 hours, to remove the moisture in the material;
Macromolecular elastomer is carried out 10～15 minutes plasticating in Banbury mixer, the macromolecular elastomer after plasticating is eliminated the stress of macromolecular elastomer placing under the exsiccant condition more than 24 hours.
After starting Banbury mixer, the above-mentioned part by weight of macromolecular elastomer after plasticating is put in the sweet refining machine, when treating that the Banbury mixer temperature is raised to 125 ℃ the rare Graphite Powder 99 of ball and superconduction rubber added finishing composition, conductive oil, conduction fat and stearic acid and join Banbury mixer and carry out banburying.After treating that the interior material mixing of Banbury mixer evenly, add zinc oxide, anti-aging agent and promotor continuation banburying and finish banburying after 3～5 minutes.
Material after the banburying is placed on carries out mixingly in the opening rubber mixing machine, add colloid sulphur when mixing, material after playing triangle bag 3-5 time on the opening rubber mixing machine, is carried out compressing tablet.Thick 3～the 5mm that is controlled at of compressing tablet sheet.
Material behind the compressing tablet is put into intermittent type hydraulic pressure forcing machine, extrusion moulding after the indoor 80 ℃ of heating of heating were heated 15 minutes in 25 minutes or 90 ℃.The material of extrusion moulding vulcanizes on special-purpose vulcanizer.Curing temperature is 145～155 ℃, and curing time is controlled according to molding thickness.
Claims (7)
1. flexible non-metallic conducting material, it is characterized in that: described flexible non-metallic conducting material is made up of following material:
Macromolecular elastomer 10～45
Linear polyethylene 1～5
Expandable Polystyrene (EPS) 0.05～0.1
Superconduction rubber adds finishing composition 2～8
Ball desaturation Graphite Powder 99 40～70
Conductive oil 1～5
Conduction fat 2～8
Stearic acid 1～5
Zinc oxide 0.5～2.4
Anti-aging agent 0.1～0.2
Promotor 0.2～0.5
Colloid sulphur 1.5～5
Its manufacturing step is:
At first macromolecular elastomer and the rare Graphite Powder 99 of ball are put into kiln at 110 ℃～130 ℃ times dry 3～5 hours, remove the moisture in the material;
Then macromolecular elastomer is carried out 10～15 minutes plasticating in Banbury mixer, the macromolecular elastomer after plasticating is eliminated the stress of macromolecular elastomer placing under the exsiccant condition more than 24 hours;
Then after starting Banbury mixer, macromolecular elastomer after plasticating is put in the sweet refining machine, when treating that the Banbury mixer temperature is raised to 115 ℃～125 ℃ the rare Graphite Powder 99 of ball and superconduction rubber added finishing composition, conductive oil, conduction fat and stearic acid and join Banbury mixer and carry out banburying; After treating that the interior material mixing of Banbury mixer evenly, add zinc oxide, anti-aging agent and promotor continuation banburying and finish banburying after 3～5 minutes;
At last the material after the banburying is placed on and carries out mixingly in the opening rubber mixing machine, add colloid sulphur when mixing, material after playing triangle bag 3～5 times on the opening rubber mixing machine, is carried out compressing tablet, the thick 3～5mm that is controlled at of compressing tablet sheet;
Material behind the compressing tablet after 15～25 minutes, is put into intermittent type hydraulic pressure forcing machine, extrusion moulding in indoor 80～90 ℃ of heating of heating;
The material of extrusion moulding vulcanizes on special-purpose vulcanizer, and curing temperature is 145～155 ℃, and curing time is controlled according to molding thickness.
2. flexible non-metallic conducting material as claimed in claim 1 is characterized in that, the component of flexible non-metallic conducting material is:
Macromolecular elastomer 20
Linear polyethylene 2
Expandable Polystyrene (EPS) 0.2
Superconduction rubber adds finishing composition 5
Ball desaturation Graphite Powder 99 58
Conductive oil 3
Conduction fat 4.5
Stearic acid 3
Zinc oxide 1.2
Anti-aging agent 0.15
Promotor 0.3
Colloid sulphur 2.5
3. flexible non-metallic conducting material as claimed in claim 1 is characterized in that, described macromolecular elastomer can be natural polymer elastomerics or synthetic macromolecular elastomer.
4. use the method for flexible non-metallic conducting material as claimed in claim 1, it is characterized in that, described flexible non-metallic conducting material is wrapped in the ground connector that grounded metal electro-conductive material core surface is made grounding device, grounded metal material and soil are isolated.
5. the ground connector that uses flexible non-metallic conducting material as claimed in claim 1 to make is characterized in that, grounded metal electro-conductive material core surface is enclosed with flexible non-metallic conducting material.
6. want 5 described ground connectoies as right, it is characterized in that, the metallic conduction material surface of two ends 4～6 cm lengths of described ground connector does not wrap up flexible non-metallic conducting material of the present invention.
7. the method for attachment of ground connector as claimed in claim 6, it is characterized in that, the above-mentioned ground connector in two ends is joined end to end, the central metal electro-conductive material is fully contacted, the metallic conduction body portion of using jointing will not wrap up flexible non-metallic conducting material then connects, and filling with sealant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010125044.9A CN101798404B (en) | 2010-03-16 | 2010-03-16 | Flexible non-metallic conducting material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010125044.9A CN101798404B (en) | 2010-03-16 | 2010-03-16 | Flexible non-metallic conducting material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101798404A true CN101798404A (en) | 2010-08-11 |
| CN101798404B CN101798404B (en) | 2014-11-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010125044.9A Expired - Fee Related CN101798404B (en) | 2010-03-16 | 2010-03-16 | Flexible non-metallic conducting material |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102262928A (en) * | 2011-06-20 | 2011-11-30 | 广州中光电子科技有限公司 | Grounding downlead |
| CN103951862A (en) * | 2014-04-11 | 2014-07-30 | 苏州市依星橡塑有限公司 | Preparation technology for conductive rubber strips |
| CN104231305A (en) * | 2014-07-15 | 2014-12-24 | 畅吉庆 | Application of coal ash in improvement of semi-electroconductivity as well as plastic containing coal ash and preparation method of plastic |
| CN106280529A (en) * | 2016-08-31 | 2017-01-04 | 郭裴哲 | A kind of electrical engineering conductive material and preparation method thereof |
| CN113173250A (en) * | 2021-04-08 | 2021-07-27 | 中国农业科学院烟草研究所(中国烟草总公司青州烟草研究所) | Electrostatic spraying device and unmanned aerial vehicle |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52124038A (en) * | 1976-04-13 | 1977-10-18 | Kokoku Rubber Ind | Conductive resin compositions |
| CN1338107A (en) * | 1998-12-04 | 2002-02-27 | Pjo(因蒂塞姆)有限公司 | Conductive materials |
| JP2006004847A (en) * | 2004-06-21 | 2006-01-05 | Sankosha Corp | Grounding conductor |
-
2010
- 2010-03-16 CN CN201010125044.9A patent/CN101798404B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52124038A (en) * | 1976-04-13 | 1977-10-18 | Kokoku Rubber Ind | Conductive resin compositions |
| CN1338107A (en) * | 1998-12-04 | 2002-02-27 | Pjo(因蒂塞姆)有限公司 | Conductive materials |
| JP2006004847A (en) * | 2004-06-21 | 2006-01-05 | Sankosha Corp | Grounding conductor |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102262928A (en) * | 2011-06-20 | 2011-11-30 | 广州中光电子科技有限公司 | Grounding downlead |
| CN102262928B (en) * | 2011-06-20 | 2012-11-21 | 广州中光电子科技有限公司 | Grounding downlead |
| CN103951862A (en) * | 2014-04-11 | 2014-07-30 | 苏州市依星橡塑有限公司 | Preparation technology for conductive rubber strips |
| CN104231305A (en) * | 2014-07-15 | 2014-12-24 | 畅吉庆 | Application of coal ash in improvement of semi-electroconductivity as well as plastic containing coal ash and preparation method of plastic |
| CN106280529A (en) * | 2016-08-31 | 2017-01-04 | 郭裴哲 | A kind of electrical engineering conductive material and preparation method thereof |
| CN113173250A (en) * | 2021-04-08 | 2021-07-27 | 中国农业科学院烟草研究所(中国烟草总公司青州烟草研究所) | Electrostatic spraying device and unmanned aerial vehicle |
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| Publication number | Publication date |
|---|---|
| CN101798404B (en) | 2014-11-12 |
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Granted publication date: 20141112 Termination date: 20160316 |