CN104072997A - Fluorine-silicon para-position aramid fiber high-insulativity material, and production method and application thereof - Google Patents
Fluorine-silicon para-position aramid fiber high-insulativity material, and production method and application thereof Download PDFInfo
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- CN104072997A CN104072997A CN201410293665.6A CN201410293665A CN104072997A CN 104072997 A CN104072997 A CN 104072997A CN 201410293665 A CN201410293665 A CN 201410293665A CN 104072997 A CN104072997 A CN 104072997A
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Abstract
The invention relates to a high-insulativity material, and a production method and application thereof, particularly a production method of an insulating sheath for preventing windage yaw, foreign matter overlapping and other alternate tripping conditions for high-tension transmission line armor clamps and wires. The material comprises fluorine-containing polydimethylsiloxane, vinyl polydimethylsiloxane, para-position aramid short fiber pulp, a silicon dioxide reinforcing filler, an electrical-erosion-resistant filler aluminum hydroxide and a vulcanizing agent. The production method comprises the following steps: rolling a mixture of the fluorine-containing polydimethylsiloxane, vinyl polydimethylsiloxane, pretreated para-position aramid short fiber pulp, silicon dioxide reinforcing filler and electrical-erosion-resistant filler aluminum hydroxide in a Banbury mixer at 70-120 DEG C under the negative pressure of greater than 0.195 MPa, uniformly mixing in the Banbury mixer, soaking for one week, adding the vulcanizing agent, rolling in an open mill, and remixing to the soft state; and refining through a double screw extruder, and carrying out mold calendering, forming and two-stage vulcanization at high temperature. The method is used for insulating sheaths and products of high-tension transmission lines.
Description
Technical field
The present invention relates to a kind of high insulating material, production method and application, is a kind of novel gold utensil, wire insulating sheath, production method and application that prevents the tripping operation of foreign matter overlap joint initiation phase fault for ultra-high-tension power transmission line.
Background technology
At present, the short circuit tripping operation power outage that electric transmission and distribution circuit causes because of the alternate overlap joint of foreign matter occurs frequent, and with the great development of State Grid's industry, transmitting line increases considerably in recent years.North China Power Telecommunication Network, the alternate overlap joint trip accident of Northwest Grid foreign matter have accounted for the 4-7% of improper power failure according to statistics, bring about great losses.The above high pressure naked cable of 10KV of existing use, gold utensil etc., solve the potential hazards such as windage yaw, bird pest, line crossing, the alternate overlap joint short circuit of complicated living quarters foreign matter tripping operation without technical measures.
Summary of the invention
In order to overcome the shortcoming of existing transmitting line technology, the invention provides the high insulating material of a kind of fluorine silicon p-aramid fiber, production method and application, its good insulation preformance, constructional method is easy, for gold utensil, the wire insulating sheath of ultra-high-tension power transmission line, can prevent the alternate trip accidents such as windage yaw, foreign matter overlap joint.
The high insulating material of fluorine silicon p-aramid fiber, its component comprises: hydroxide filler aluminum oxide 15-30 weight part and vulcanizing agent 1-3 weight part are damaged in fluorine-containing polydimethylsiloxane 10-30 weight part, the polydimethylsiloxane 40-50 weight part containing vinyl, p-aramid fiber fluff pulp pool 10-20 weight part, silicon-dioxide reinforcing filler 10-20 weight part, resistance to galvanic corrosion.
Its component also comprises: protective agent 0.5-1 weight part and pigment 1-5 weight part.
Its production method is: in advance p-aramid fiber fluff pulp pool 30-40 weight part is disperseed, heats, reduces pressure, stirs in the organosilicon of low viscosity band active group 24 hours stand-by.By the fluorine-containing polydimethylsiloxane of 10-30 weight part, the dimethione containing vinyl of 40-50 weight part, the p-aramid fiber fluff pulp pool that 10-20 weight part is treated, the mixture that hydroxide filler aluminum oxide is damaged in the resistance to galvanic corrosion of the reinforcing filler silicon-dioxide of 10-20 weight part and 15-30 weight part is at 70-120 ℃, banburying 1-2 hour in the Banbury mixer of negative pressure 0.095Mpa, after adding the vulcanizing agent of 1-3 weight part to mix in mill, return and practice to soft, after concise by twin screw extruder again the mould on single-lead-screw extruding briquetting machine at 110-130 ℃ of calendering formation, last post vulcanization 2 hours in 170-190 ℃ of vulcanizing oven.
The insulating sheath that the high insulating material of a kind of fluorine silicon p-aramid fiber is used for the production of ultra-high-tension power transmission line.
1), excellent electrical insulation capability the invention has the beneficial effects as follows:, more than dielectric strength reaches 25KV/mm, electrical erosion resistance TMA4.5 level, hinders right property and reach FV-0 level, and lasting is ageing-resistant, and anti-electric-arc can effectively protect transmitting line not discharge under abnormal conditions; 2), physical strength is up to 4.5Mpa, strong, the resistance to ozone of weather resisteant, acid-and base-resisting, salt and chemical corrosion, reach 20 years work-ing life; 3), density is little, lightweight.4), constructional method is easy.Insulation for ultra-high-tension power transmission line can prevent the trip accidents such as windage yaw, foreign matter overlap joint phase fault.
Embodiment
The high insulating material of fluorine silicon p-aramid fiber, its component comprises: fluorine-containing polydimethylsiloxane 10 weight parts, containing polydimethylsiloxane 40 weight parts of vinyl,, the p-aramid fiber fluff pulp of processing is moored 10 weight parts, silicon-dioxide reinforcing filler 15 weight parts, resistance to galvanic corrosion, damage hydroxide filler aluminum oxide 20 weight parts, vulcanizing agent 2 weight parts, protective agent 1 weight part and pigment 3 weight parts.
Its preparation method is: by the fluorine-containing polydimethylsiloxane of 10-25 weight part, 40-50 weight part containing the polydimethylsiloxane of vinyl, the treated resistance to electricity of p-aramid fiber fluff pulp pool, 10-30 weight part of the reinforcing filler silicon-dioxide of 10-20 weight part, 5-10 weight part damages the pigment of hydroxide filler aluminum oxide and 1-3 weight part mixes, mixture is practiced after 4 hours at 110 ℃, the internal mixer central roll of pressure < 0.2Mpa.After taking out in mill clot and parking and infiltrate one week, the mixture of parking infiltration is added to 1-3 weight part vulcanizing agent in mill, back mixing thin-pass three times, and by twin screw extruder refining, again through single-lead-screw extruding briquetting machine, calendering, moulding under 120 ℃ of high temperature, last in the vulcanizing oven of 180 ℃ post vulcanization 2 hours.
The high insulating material of fluorine silicon p-aramid fiber is for the production of insulating sheath and other goods of ultra-high-tension power transmission line gold utensil, wire, and fluorine silicon p-aramid fiber insulating sheath cuts into certain length as required, during use, with adhesive glue, seals tenon button.
Described vulcanizing agent commodity by name two-24 or two-25; The chemical name of two-24 is 2.4-dimethyl-2.4 2 (t-butylperoxy) hexanes; The chemistry of two-25 is called 2.5-dimethyl-2.5-bis-(t-butylperoxy) hexane.
Described p-aramid fiber is staple fibre and slurry pool.
Described low viscosity band active group organosilicon is the rare base silicone oil of second, hydroxy silicon oil oligopolymer.
Described pigment is ferric oxide, chromium sesquioxide or titanium dioxide.
Described protective agent is 4,4 '-2 cumyl-4 " a cumyl pentanoic, Diphenylsilanediol or 4-aminodiphenylamines.
The commodity Fumed silica by name of described silicon-dioxide reinforcing filler.
Described adhesive glue is chamber sulfuration trifluoropropyl siloxane.
The length of described fluorine silicon insulating sheath is 1-3 rice.
Claims (9)
1. the high insulating material of fluorine silicon p-aramid fiber, is characterized in that: component comprises: hydroxide filler aluminum oxide 15-30 weight part and vulcanizing agent 1-3 weight part are damaged in fluorine-containing polydimethylsiloxane 10-30 weight part, the polydimethylsiloxane 40-50 weight part containing vinyl, p-aramid fiber fluff pulp pool 10-20 weight part, silicon-dioxide reinforcing filler 10-20 weight part, resistance to galvanic corrosion.
2. the high insulating material of fluorine silicon p-aramid fiber according to claim 1, is characterized in that: its component also comprises: protective agent 0.5-1 weight part and pigment 1-5 weight part.
3. the high insulating material of fluorine silicon p-aramid fiber according to claim 1, is characterized in that: commodity by name two-24 or two-25 of described vulcanizing agent; The chemical name of two-24, name is called 2.4-diformazan-2.4-bis-ethane; The chemical name of two-25 is 2.5-dimethyl-2.5-bis-hexanes.
4. the high insulating material of fluorine silicon p-aramid fiber according to claim 2, is characterized in that: described pigment is ferric oxide, chromium sesquioxide or titanium dioxide.
5. the high insulating material of fluorine silicon p-aramid fiber according to claim 2, is characterized in that: described protective agent is that " cumyl hexichol is by, Diphenylsilanediol or 4-aminodiphenylamine in 4,4 ' 2 cumyl-4.
6. the high insulating material of fluorine silicon p-aramid fiber according to claim 1, is characterized in that: the commodity Fumed silica by name of described silicon-dioxide reinforcing filler.
7. according to power, ask this high insulating material of fluorine silicon p-aramid fiber of 1 book, it is characterized in that: described adhesive glue is RTV fluorocarbon silicone rubber.
8. the production method of the high insulating material of fluorine silicon p-aramid fiber, base is characterised in that: by the fluorine-containing polydimethylsiloxane of 10-30 weight part, the polydimethylsiloxane containing ethene of 40-50 weight part, the p-aramid fiber fluff pulp pool that 10-20 weight part is treated, the reinforcing filler titanium dioxide dimethyl siloxane of 20-40 weight part, the mixture that hydroxide filler aluminum oxide is damaged in resistance to galvanic corrosion with 15-30 weight part is at 70-120 ℃, the banburying poplar central roll refining 1-2 hour of negative pressure < 0.2Mpa, infiltrate after one week, add the vulcanizing agent back mixing of 1-3 weight part to soft, by screw extrusion press refining, through the mould on forming machine, 110-130 ℃ of calendering, draw moulding again.Last in the vulcanizing oven of 170-190 ℃ post vulcanization 2 hours.
9. the high insulating material of fluorine silicon p-aramid fiber is for the production of insulating sheath and the goods of ultra-high-tension power transmission line.
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| CN201410293665.6A CN104072997B (en) | 2014-06-26 | 2014-06-26 | The high insulating materials of fluorine silicon p-aramid fiber, production method and application |
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| CN201410293665.6A CN104072997B (en) | 2014-06-26 | 2014-06-26 | The high insulating materials of fluorine silicon p-aramid fiber, production method and application |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104708829A (en) * | 2015-03-02 | 2015-06-17 | 义乌市大胜橡塑制品有限公司 | Intelligent compounding and production technology for cross-linking foaming materials without manual operation |
| CN106363647A (en) * | 2016-08-31 | 2017-02-01 | 江西鑫台铭智能科技有限公司 | Mechanical arm and manufacturing technique of clamping part of mechanical arm |
| CN106928727A (en) * | 2017-03-29 | 2017-07-07 | 河北硅谷化工有限公司 | A kind of current conversion station filters the preparation method of tower special-purpose multifunctional fluorine silicon insulating cement |
| CN106995611A (en) * | 2017-03-29 | 2017-08-01 | 河北硅谷化工有限公司 | A kind of organic fluorinated silicone melts the preparation method of self-adhesion insulating tape certainly |
| CN107599295A (en) * | 2017-08-25 | 2018-01-19 | 南通通州湾新材料科技有限公司 | The preparation method and applications of organic-inorganic nano powder complex abrasion-proof shell |
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| CN202102818U (en) * | 2011-06-17 | 2012-01-04 | 河北硅谷化工有限公司 | Insulating sheath for rapid mounting and dismounting of power transmission and transformation line |
| CN103613886A (en) * | 2013-11-05 | 2014-03-05 | 广州机械科学研究院有限公司 | High temperature and high pressure-resistant fluororubber material, and preparation method and application thereof |
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2014
- 2014-06-26 CN CN201410293665.6A patent/CN104072997B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202102818U (en) * | 2011-06-17 | 2012-01-04 | 河北硅谷化工有限公司 | Insulating sheath for rapid mounting and dismounting of power transmission and transformation line |
| CN103613886A (en) * | 2013-11-05 | 2014-03-05 | 广州机械科学研究院有限公司 | High temperature and high pressure-resistant fluororubber material, and preparation method and application thereof |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104708829A (en) * | 2015-03-02 | 2015-06-17 | 义乌市大胜橡塑制品有限公司 | Intelligent compounding and production technology for cross-linking foaming materials without manual operation |
| CN106363647A (en) * | 2016-08-31 | 2017-02-01 | 江西鑫台铭智能科技有限公司 | Mechanical arm and manufacturing technique of clamping part of mechanical arm |
| CN106928727A (en) * | 2017-03-29 | 2017-07-07 | 河北硅谷化工有限公司 | A kind of current conversion station filters the preparation method of tower special-purpose multifunctional fluorine silicon insulating cement |
| CN106995611A (en) * | 2017-03-29 | 2017-08-01 | 河北硅谷化工有限公司 | A kind of organic fluorinated silicone melts the preparation method of self-adhesion insulating tape certainly |
| CN107599295A (en) * | 2017-08-25 | 2018-01-19 | 南通通州湾新材料科技有限公司 | The preparation method and applications of organic-inorganic nano powder complex abrasion-proof shell |
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| CN104072997B (en) | 2016-05-04 |
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