CN104269204A - Modified compound graphite yarn and preparation method thereof - Google Patents
Modified compound graphite yarn and preparation method thereof Download PDFInfo
- Publication number
- CN104269204A CN104269204A CN201410580971.8A CN201410580971A CN104269204A CN 104269204 A CN104269204 A CN 104269204A CN 201410580971 A CN201410580971 A CN 201410580971A CN 104269204 A CN104269204 A CN 104269204A
- Authority
- CN
- China
- Prior art keywords
- carbon nanotube
- graphite paper
- graphite
- composite stone
- conducting glue
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Conductive Materials (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
Abstract
The invention discloses a modified compound graphite yarn and a preparation method thereof. The graphite yarn comprises upper layer vermicular graphite paper (1), a fibrous layer, and lower vermicular graphite paper (2) which are sequentially arranged from top to bottom, wherein the fibrous layer comprises glass fibers (3) and Kevlar fibers (4) which are arranged in parallel and at equal intervals; the outer surfaces of the glass fibers (3) and the Kevlar fibers (4) are infiltrated with carbon nanotube conductive adhesive; the quantitative proportion of the glass fibers (3) to the Kevlar fibers (4) is 3:1 to 5:1. The modified compound graphite yarn has the advantages that the graphite is taken as a main body, and the carbon nanotube is taken as an accessory to effectively modify the graphite to achieve high conductivity; the Kevlar fibers are taken as a core, and the carbon nanotube is taken as the accessory to effectively modify the fibers to achieve excellent tensile property and flexibility; due to the flexible physical characteristic of the graphite yarn, the modified compound graphite yarn can be in good contact with soil, so as to enhance the resistance reduction effect.
Description
Technical field
The present invention relates to the modification composite stone line of ink marker and preparation method thereof for the preparation of graphite compound earthing material, be mainly used in the lightning protection engineering in the fields such as power plants and station, transmission line, rail traction station, communication shaft tower, factories and miness, skyscraper.
Background technology
The existing earthing material of electric power system is mainly metallic ground material, especially based on metals such as steel, galvanized steel, stainless steel, copper, copper covered steels.These metallic ground materials have the following disadvantages in actual use: (1) corrosion-resistant.Generally, steel or galvanized steel 7-8 have substantially eroded nearly half, and copper and copper covered steel earthing material corrosivity are better than steel, but its material cost is too expensive, and therefore instream factor is not high; (2) transport and constructional difficulties; Because steel or copper metallic ground material are than great, the longer inconvenience transport of general length, inconvenience is bending in addition, is difficult to select form of construction work according to landform; (3) not high with soil conjugation; Soil as colloid, and easily forms gap between metallic ground body, and increase contact resistance therebetween on the one hand, on the other hand, the oxygen concentration difference primary cell of formation also accelerates the corrosion rate of metallic ground body; (4) steal and artificial destruction problem serious; Because the secondary value of the metal material such as copper, steel is high, therefore earth electrode suffers artificial theft, the accident of destruction emerges in an endless stream, and brings hidden trouble to electric power system.
Summary of the invention
The object of the invention is the defect existed for prior art, provide a kind of modification composite stone line of ink marker and preparation method thereof, the modification composite stone line of ink marker that manufacture mechanical property and electric conductivity all increase.
A kind of modification composite stone line of ink marker, comprise upper strata worm graphite paper 1, fibrage, lower floor's worm graphite paper 2 set gradually from top to bottom, described fibrage is glass fibre 3 and the Kafra fiber 4 of parallel equidistant setting, and glass fibre 3 and Kafra fiber 4 outer surface infiltrate and have carbon nanotube conducting glue; Described glass fibre 3 is 3:1 to 5:1 with the quantitative proportion of Kafra fiber 4.
Described carbon nanotube conducting glue is the ultrasonic mixed liquor of multi-walled carbon nano-tubes and acrylate, and wherein carbon nano-tube shared mass percent in mixed liquor is 1.3-2.6%.
The preparation method of the described modification composite stone line of ink marker, comprises following steps:
1, prepare worm graphite paper: the worm graphite selecting phosphorus content more than 85%, make through the roll-forming of more than twice;
2, carbon nanotube conducting glue is prepared: adopt chemical dispersant and supersonic oscillations method to be scattered in water by even carbon nanotube, prepare carbon nano tube dispersion liquid, then adopt paddling process to be mixed by a certain percentage with water-soluble binder by carbon nano tube dispersion liquid, obtain carbon nanotube conducting glue;
3, the glass fibre of surface infiltration carbon nanotube conducting glue and Kafra fiber are equidistantly laid on lower floor's worm graphite paper, cover upper strata graphite paper afterwards and carry out thermosetting and roll-in simultaneously, obtain composite graphite paper;
4, cut composite graphite paper, obtain composite stone ink ribbon;
5, select 1-2 bar composite stone ink ribbon, twisting machine obtains the modification composite stone line of ink marker through unidirectional twist.
According to the diametric requirements of graphite line, worm graphite paper thickness is 0.1 mm-1.2 mm.
The advantage of the modification composite stone line of ink marker of the present invention and preparation method thereof is: based on graphite, is aided with the effective modification of carbon nano-tube, has high conductivity; Be core with Kafra fiber, be aided with carbon nano-tube modification, there is excellent tensile property and pliability; Due to the physical characteristics of graphite line flexibility, the good contact with soil can be ensured, strengthen resistance reducing effect.
Accompanying drawing explanation
Fig. 1 is the structural representation of composite stone ink ribbon.
Fig. 2 is overall structure schematic diagram of the present invention.
In figure, 1 is upper strata worm graphite paper; 2 is lower floor's worm graphite paper; 3 is glass fibre; 4 is Kafra fiber; 5 is the modification composite stone line of ink marker.
Embodiment
Below in conjunction with accompanying drawing, the present invention is further described, as shown in Figure 1 and Figure 2.
Embodiment one
Worm graphite phosphorus content is about 92.5%, and the individual layer worm graphite paper thickness of roll-forming is 0.15mm.The width preparing composite stone ink ribbon is 22mm, wherein 9, glass fibre, Kafra fiber 3.Conducting resinl adopts multi-walled carbon nano-tubes and the ultrasonic mixed liquor of acrylate, the mass percent of carbon nano-tube about 1.5% in mixed liquor.Select thermoset temperature to be about 95 DEG C during roll-in composite stone ink ribbon, the thermosetting time is about 45s.Prepare shaping composite graphite tape thickness and be about 0.28mm, smooth surface is smooth.Select a composite graphite band carry out unidirectional twist system, the diameter of the modification composite stone line of ink marker obtained is about 2.2mm.Through actual measurement, length is that its resistance of modification composite stone line of ink marker sample of 1m is about 3.2 Ω, and its maximum tensile strength is 63.5N.
Embodiment two
Worm graphite phosphorus content is about 95%, and individual layer worm graphite paper thickness is 0.12mm.The width preparing composite stone ink ribbon is 16mm, wherein 7, glass fibre, Kafra fiber 2.Conducting resinl still adopts multi-walled carbon nano-tubes and the ultrasonic mixed liquor of acrylate, the mass percent of carbon nano-tube about 2.3% in mixed liquor.Select thermoset temperature to be about 95 DEG C during roll-in composite stone ink ribbon, the thermosetting time is about 45s.Prepare shaping composite graphite tape thickness and be about 0.22mm.Composite graphite band is carried out the modification composite graphite linear diameter that unidirectional twist makes and be about 2.2mm.Selection length is the modification composite stone line of ink marker sample of 1m, and stretch rear four-electrode method and measure, its D.C. resistance is about 3.8 Ω, and its maximum tensile strength is 45.8N.
Embodiment three
The phosphorus content of worm graphite is about 95%, and individual layer worm graphite paper thickness is 0.12mm.The width preparing composite stone ink ribbon is 22mm, wherein 10, glass fibre, Kafra fiber 2.Conducting resinl still adopts multi-walled carbon nano-tubes and the ultrasonic mixed liquor of acrylate, the mass percent of carbon nano-tube about 1.5% in mixed liquor.Select thermoset temperature to be about 95 DEG C during roll-in composite stone ink ribbon, the thermosetting time is about 45s.Composite graphite tape thickness is about 0.28mm.3.2mm is about by carrying out the modification composite graphite linear diameter that unidirectional twist makes after 2 composite stone ink ribbon overlaps again.Selection length is the modification composite stone line of ink marker sample of 1m, and stretch rear four-electrode method and measure, its D.C. resistance is about 2.9 Ω, and its maximum tensile strength is 97.2N.
Above embodiment shows, its conductive and mechanical properties of the modification composite stone line of ink marker adopting the present invention to make is good, provides condition for preparing graphite compound earthing material further.
Illustrate the application described in above-described embodiment; though be described by specific term in literary composition; but the protection range of the application can not be limited with this; the personage being familiar with this technical field can change it or revise and reach equivalent object after the spirit understanding the application and principle; and this equivalence is changed and amendment, all should be covered by right and define in category.
Claims (4)
1. a modification composite stone line of ink marker, comprise upper strata worm graphite paper (1), (2) fibrage, lower floor's worm graphite paper set gradually from top to bottom, it is characterized in that: described fibrage be parallel equidistant arrange glass fibre (3) with Kafra fiber (4), glass fibre (3) with Kafra fiber (4) outer surface infiltrate have carbon nanotube conducting glue; (3) described glass fibre is 3:1 to 5:1 with Kafra fiber quantitative proportion (4).
2. the modification composite stone line of ink marker as claimed in claim 1, is characterized in that: described carbon nanotube conducting glue is the ultrasonic mixed liquor of multi-walled carbon nano-tubes and acrylate, and wherein carbon nano-tube shared mass percent in mixed liquor is 1.3-2.6%.
3. a preparation method for the modification composite stone line of ink marker as claimed in claim 1 or 2, is characterized in that: comprise following steps:
(1) prepare worm graphite paper: the worm graphite selecting phosphorus content more than 85%, make through the roll-forming of more than twice;
(2) prepare carbon nanotube conducting glue: adopt chemical dispersant and supersonic oscillations method to be scattered in water by even carbon nanotube, prepare carbon nano tube dispersion liquid, then adopt paddling process to be mixed by a certain percentage with water-soluble binder by carbon nano tube dispersion liquid, obtain carbon nanotube conducting glue;
(3) the glass fibre of surface infiltration carbon nanotube conducting glue and Kafra fiber are equidistantly laid on lower floor's worm graphite paper, cover upper strata graphite paper afterwards and carry out thermosetting and roll-in simultaneously, obtain composite graphite paper;
(4) cut composite graphite paper, obtain composite stone ink ribbon;
(5) select 1-2 bar composite stone ink ribbon, twisting machine obtains the modification composite stone line of ink marker through unidirectional twist.
4. preparation method as claimed in claim 3, is characterized in that: worm graphite paper thickness is 0.1 mm-1.2 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410580971.8A CN104269204A (en) | 2014-10-27 | 2014-10-27 | Modified compound graphite yarn and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410580971.8A CN104269204A (en) | 2014-10-27 | 2014-10-27 | Modified compound graphite yarn and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104269204A true CN104269204A (en) | 2015-01-07 |
Family
ID=52160717
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410580971.8A Pending CN104269204A (en) | 2014-10-27 | 2014-10-27 | Modified compound graphite yarn and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104269204A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104577366A (en) * | 2015-01-28 | 2015-04-29 | 武汉大学 | Long-acting loss-free graphite resistance reduction cloth and manufacturing method and application of long-acting loss-free graphite resistance reduction cloth |
| CN104638387A (en) * | 2015-02-26 | 2015-05-20 | 广东电网有限责任公司佛山供电局 | Graphite composite grounding body and manufacturing body thereof |
| CN109066262A (en) * | 2018-06-25 | 2018-12-21 | 大连格林艾克创新科技有限公司长垣县分公司研发生产基地 | The preparation method of the modified flexible non-metallic conductive earthing body of graphene |
| CN109273872A (en) * | 2018-10-12 | 2019-01-25 | 河南四达电力设备股份有限公司 | A kind of graphite-based flexibility drop resistance cloth and its production method for the laying of soft graphite counterpoise grounding |
| CN113682001A (en) * | 2021-08-16 | 2021-11-23 | 中国电力科学研究院有限公司 | Preparation method of conductivity-adjustable flexible graphite paper |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101525523A (en) * | 2008-03-04 | 2009-09-09 | 琳得科株式会社 | Pressure-sensitive adhesive composition and pressure-sensitive adhesive sheet |
| JP2012214342A (en) * | 2011-03-31 | 2012-11-08 | Nec Corp | Carbon nanotube nanohorn conjugate, and manufacturing method and use of the same |
| CN103490180A (en) * | 2013-10-23 | 2014-01-01 | 阮江军 | Novel graphite composite grounding material and preparation method thereof |
| CN204303373U (en) * | 2014-10-27 | 2015-04-29 | 武汉大学 | A kind of modification composite stone line of ink marker |
-
2014
- 2014-10-27 CN CN201410580971.8A patent/CN104269204A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101525523A (en) * | 2008-03-04 | 2009-09-09 | 琳得科株式会社 | Pressure-sensitive adhesive composition and pressure-sensitive adhesive sheet |
| JP2012214342A (en) * | 2011-03-31 | 2012-11-08 | Nec Corp | Carbon nanotube nanohorn conjugate, and manufacturing method and use of the same |
| CN103490180A (en) * | 2013-10-23 | 2014-01-01 | 阮江军 | Novel graphite composite grounding material and preparation method thereof |
| CN204303373U (en) * | 2014-10-27 | 2015-04-29 | 武汉大学 | A kind of modification composite stone line of ink marker |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104577366A (en) * | 2015-01-28 | 2015-04-29 | 武汉大学 | Long-acting loss-free graphite resistance reduction cloth and manufacturing method and application of long-acting loss-free graphite resistance reduction cloth |
| CN104638387A (en) * | 2015-02-26 | 2015-05-20 | 广东电网有限责任公司佛山供电局 | Graphite composite grounding body and manufacturing body thereof |
| CN109066262A (en) * | 2018-06-25 | 2018-12-21 | 大连格林艾克创新科技有限公司长垣县分公司研发生产基地 | The preparation method of the modified flexible non-metallic conductive earthing body of graphene |
| CN109066262B (en) * | 2018-06-25 | 2019-12-13 | 大连格林艾克创新科技有限公司长垣县分公司研发生产基地 | preparation method of graphene modified flexible non-metal conductive grounding body |
| CN109273872A (en) * | 2018-10-12 | 2019-01-25 | 河南四达电力设备股份有限公司 | A kind of graphite-based flexibility drop resistance cloth and its production method for the laying of soft graphite counterpoise grounding |
| CN113682001A (en) * | 2021-08-16 | 2021-11-23 | 中国电力科学研究院有限公司 | Preparation method of conductivity-adjustable flexible graphite paper |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103490180B (en) | Novel graphite compound earthing material and preparation method thereof | |
| CN104269204A (en) | Modified compound graphite yarn and preparation method thereof | |
| CN103500595B (en) | Low kelvin effect graphite compound earthing material and preparation method thereof | |
| CN109273872B (en) | A kind of graphite-based flexibility drop resistance cloth and its production method for the laying of soft graphite counterpoise grounding | |
| CN104269206A (en) | Low-specific resistance graphite thread and preparation method thereof | |
| CN203521648U (en) | Low skin effect graphite composite grounded material | |
| CN205178031U (en) | Flexible ground connection cable | |
| CN104376921A (en) | Graphite composite resistance-reduction cloth production process | |
| CN203521649U (en) | Novel graphite composite grounded material | |
| CN204303373U (en) | A kind of modification composite stone line of ink marker | |
| CN203127608U (en) | Teflon lattice conveying belt | |
| Wang et al. | A facile approach to the scalable preparation of thermoplastic/carbon nanotube composites | |
| CN104263276A (en) | Preparation method for carbon nanotube-modified, high-conductivity and high-ductility graphite viscose | |
| CN110257832A (en) | A kind of Bioelectrochemical device | |
| CN104577365A (en) | Breakage-proof graphite line and method for manufacturing breakage-proof graphite line | |
| CN204189471U (en) | Low-resistivity graphite line | |
| CN104464874B (en) | Graphite composite grounding material for cathode protection and manufacturing method thereof | |
| CN202416954U (en) | Safety telegraph pole | |
| CN205194864U (en) | Compound graphite line of low resistivity | |
| CN204333298U (en) | Tamper-proof graphite line | |
| CN104269203A (en) | Metal fiber core low-resistance graphite yarn and preparation method thereof | |
| CN204966715U (en) | Graphite grounding body is used in stray current protection | |
| CN203535973U (en) | Non-metallic composite carbon fiber copper-coated grounding material | |
| CN103682925A (en) | Motor electric brush | |
| CN202321430U (en) | Land boat assembly for transporting steel tube of extra-high voltage steel tube tower |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150107 |