CN105462256A - Extra-high voltage cable sleeve with external conducting film - Google Patents
Extra-high voltage cable sleeve with external conducting film Download PDFInfo
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- CN105462256A CN105462256A CN201510791317.6A CN201510791317A CN105462256A CN 105462256 A CN105462256 A CN 105462256A CN 201510791317 A CN201510791317 A CN 201510791317A CN 105462256 A CN105462256 A CN 105462256A
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Abstract
The present invention provides an extra-high voltage cable sleeve with external conducting film and a preparation method thereof. The extra-high voltage cable sleeve comprises the following components by weight: 100-120 parts of a flame retardant silicone rubber, 10-12 parts of a flame retardant, 20-25 parts of a plasticizer, 10-20 parts of an antioxidant, 3-5 parts of a lubricant, 1-2 parts of a carbon black pigment, 2-5 parts of a heat stabilizer, 0.2-0.4 part of chlorinated paraffin, 1-2 parts of an ultraviolet absorber, 1-2 parts of triisooctyl phosphite, 0.5-1 part of a conducting film sol. The high-voltage insulation member using organic silicone rubber as the raw material has the advantages of light weight, flexible length extension, selectivity of the insulating thickness, no easy damage, fast performance changes and convenience to installation and transportation compared to conventional components using ceramics, glass and rubber as the raw materials, and also has excellent mechanical and electrical properties; and the external conducting film can play a good role of electrostatic grooming.
Description
Technical field
The present invention relates to extra-high-tension cable protector, be specifically related to extra-high-tension cable sleeve pipe of a kind of external application conducting film and preparation method thereof.
Background technology
Current engineering cable shoe is take polyvinyl chloride (PVC) RESINS as major ingredient, water-ground limestone is mixed for filler and the small powder such as chlorinatedpolyethylene, paraffin, and possess certain corrosion-resistant, high temperature resistant, fire-retardant, insulate the wear-resisting characteristic such as lightweight, pollution-free.But it is poor that its weak point is ultimate compression strength, require gap in addition with construction application, its flame retardant properties is also not ideal enough.General flame retardant rubber is that the sleeve pipe of major ingredient can overcome above-mentioned defect, but in remote high pressure, UHV transmission process, cable shoe protector has a certain amount of static buildup, particularly in the environment such as mine, down-hole, very easily causes very large potential safety hazard.Application number be 201310495056.4 patent of invention provide a kind of combined PVC cable shoe.Its raw material by the polyvinyl chloride (PVC) RESINS of 70%-80%, thermal stabilizer, photostabilizer, oxidation inhibitor and other auxiliary agents be made.This invention product has high temperature resistant and ageing resistance is good, the high temperature that power cable use procedure produces because of overload short circuit can be adapted to, material has high insulation resistance and volume specific resistance, but it makes the application of material have significant limitation because of the Non-selectivity of telescopic underaction, insulation thickness.Application number be 201010221897.2 patent of invention one adopt polypropylene flame redardant (FRPP) prepare the production technology that flame retardant rating reaches a kind of novel power cable sleeve pipe of FV-0 level.The power cable casing pipe flame retardant rating using polypropylene flame redardant to produce reaches FV-0 level, simultaneously vicat softening temperature >=130 DEG C of sleeve pipe; The features such as corrosion-resistant anti-aging, ultimate compression strength is large, High-Voltage Insulation is strong, wear resisting property good, pollution-free, lightweight, easy construction, long service life.But the material of this invention needing waterproof, anticreep, particularly in the inferior particular surroundings in ore deposit use has obvious defect.
Summary of the invention
For the deficiency that prior art exists, the present invention seeks to the extra-high-tension cable sleeve pipe being to provide a kind of external application conducting film.
An extra-high-tension cable sleeve pipe for external application conducting film, comprises the component of following weight part: flame-proof silicon rubber 100 ~ 120 parts, fire retardant 10 ~ 12 parts, plasticizer phthalic acid dioctyl ester 20 ~ 25 parts, 10 ~ 20 parts, oxidation inhibitor, lubricants tetramethylolmethane 3 ~ 5 parts, colour black 1 ~ 2 part, thermo-stabilizer polyvinyl chloride 2 ~ 5 parts, clorafin 0.2 ~ 0.4 part, UV light absorber 1 ~ 2 part, tricresyl phosphite isooctyl acrylate 1 ~ 2 part, conducting film colloidal sol 0.5 ~ 1 part.
Preferably, described fire retardant is one or more the arbitrary combination in the bromide fire retardants such as decabromodiphenyl oxide, TDE, brominated Polystyrene.
Preferably, described oxidation inhibitor is antioxidant 1010 or antioxidant 300.
Preferably, described UV light absorber is a kind of in UV-531 UV light absorber, UV-326 UV light absorber, UV-329 UV light absorber or or more than one arbitrary combination.
Present invention provides a kind of preparation method of extra-high-tension cable sleeve pipe of external application conducting film, comprise the following steps:
A, flame-proof silicon rubber, oxidation inhibitor, UV light absorber, thermo-stabilizer and tricresyl phosphite isooctyl acrylate are mixed and made into mixture;
B, melting thing is made in the melting of step a gained mixture;
C, by step b gained melting thing, lubricant, clorafin with colour carbon black is mixing makes mixing thing;
D, extra-high-tension cable sleeve pipe is made in mixing for step c gained thing extrusion moulding;
E, by colloidal sol by splashing device, be injected on preheated steps d gained extra-high-tension cable sleeve pipe.
Preferably, steps d gained extra-high-tension cable sleeve surface roughness (Ra) is 0.4 ~ 1.6.
Preferably, described conducting film colloidal sol is the colloidal sol that indium nitrate and second phthalein acetone soln are formed.Its preparation method is: the five water indium nitrate crystal taking 17g add in there-necked flask, add 83g second phthalein acetone, add 0.05g diethanolamine as Stability of Sols auxiliary agent simultaneously, there-necked flask is little in 60 DEG C ~ 65 DEG C backflows 3 on magnetic stirring apparatus, make indium nitrate be dissolved completely in second phthalein acetone, the brown color colloidal sol forming stable homogeneous is conducting film colloidal sol.
Preferably, the preheating temperature of described step e is 35 ~ 40 DEG C.
Beneficial effect of the present invention is as follows:
The present invention take organo-silicone rubber as main raw material(s), adopting organo-silicone rubber to be raw-material High-Voltage Insulation parts is the parts of raw material compared to traditional pottery, glass and rubber, possess lightweight, telescopic flexibly, the alternative of insulation thickness, be not easy to be destroyed, excellent property and being convenient to installs and the advantage such as transport, and has excellent machinery and electric property.
Also embody the feature more excellent than traditional raw material when practice, it possesses more excellent hydrophobic nature, anti creepage trace and the characteristics such as anti-electric-arc.
The ageing resistance adding and preferentially can increase substantially product of UV light absorber.Have antioxygen, anti-yellowing change effect propety concurrently, can use with general oxidation inhibitor; Improve the performance and used life of product.
Conducting film is made with collosol craft, be attached to shaping extra-high-tension cable bushing outer surface, sol pellicle good conductivity, quality is light, and making shaping according to the shape of extra-high-tension cable sleeve pipe, the process of high-tension cable bushing outer surface planeness simultaneously ensures that it sticks the outside surface in extra-high-tension cable sleeve pipe completely.External application conducting film is well Anti-static effect both, extra-high-tension cable sleeve pipe performance originally can not be affected again, overcome common extra-high-tension cable sleeve pipe and cause disaster hidden-trouble because of buildup of static electricity, frame well, high-voltage and ultra-high substation etc. can be widely used in electrostatic sensitive place.
Embodiment
The technique means realized for making the present invention, creation characteristic, reaching object and effect is easy to understand, below in conjunction with embodiment, setting forth the present invention further.
Embodiment 1
An extra-high-tension cable sleeve pipe for external application conducting film, comprises following component: flame-proof silicon rubber 100 parts, decabromodiphenyl oxide 10 parts, dioctyl phthalate (DOP) 20 parts, antioxidant 1010 10 parts, tetramethylolmethane 3 parts, colour black 1 part, polyvinyl chloride 2 parts, clorafin 0.2 part, UV-531 UV light absorber 1 part, tricresyl phosphite isooctyl acrylate 1 part, conducting film colloidal sol 0.5 part.
Its preparation method, comprises the following steps:
A, the flame-proof silicon rubber of said components, oxidation inhibitor, UV light absorber, thermo-stabilizer and tricresyl phosphite isooctyl acrylate are mixed and made into mixture;
B, melting thing is made in the 130 DEG C of meltings of step a gained mixture;
C, refine into mixing thing by mixed to step b gained melting thing, lubricant, clorafin and colour carbon black 160 DEG C;
D, extra-high-tension cable sleeve surface roughness (Ra) is made in the 190 DEG C of extrusion mouldings of mixing for step c gained thing is 0.4;
E, by colloidal sol by splashing device, be injected in and be preheated on the steps d gained extra-high-tension cable sleeve pipe of 35 DEG C.
Embodiment 2
An extra-high-tension cable sleeve pipe for external application conducting film, comprises the component of following weight part: flame-proof silicon rubber 120 parts, TDE 12 parts, dioctyl phthalate (DOP) 25 parts, antioxidant 300 20 parts, tetramethylolmethane 5 parts, colour black 2 parts, polyvinyl chloride 5 parts, clorafin 0.4 part, UV-326 UV light absorber 2 parts, tricresyl phosphite isooctyl acrylate 2 parts, conducting film colloidal sol 1 part.
Its preparation method, comprises the following steps:
A, the flame-proof silicon rubber of said components, oxidation inhibitor, UV light absorber, thermo-stabilizer and tricresyl phosphite isooctyl acrylate are mixed and made into mixture;
B, melting thing is made in the 140 DEG C of meltings of step a gained mixture;
C, by step b gained melting thing, lubricant, clorafin with colour carbon black 170 DEG C is mixing makes mixing thing;
D, extra-high-tension cable sleeve surface roughness (Ra) is made in the 200 DEG C of extrusion mouldings of mixing for step c gained thing is 1.6;
E, by colloidal sol by splashing device, be injected in and be preheated on the steps d gained extra-high-tension cable sleeve pipe of 40 DEG C.
Embodiment 3
An extra-high-tension cable sleeve pipe for external application conducting film, comprises the component of following weight part: flame-proof silicon rubber 110 parts, brominated Polystyrene 11 parts, dioctyl phthalate (DOP) 22 parts, antioxidant 1010 11 parts, tetramethylolmethane 4 parts, colour black 1.5 parts, polyvinyl chloride 3 parts, clorafin 0.3 part, UV light absorber 1.5 parts, tricresyl phosphite isooctyl acrylate 1.5 parts, conducting film colloidal sol 0.8 part.
Its preparation method, comprises the following steps:
A, the flame-proof silicon rubber of said components, oxidation inhibitor, UV light absorber, thermo-stabilizer and tricresyl phosphite isooctyl acrylate are mixed and made into mixture;
B, melting thing is made in the 135 DEG C of meltings of step a gained mixture;
C, by step b gained melting thing, lubricant, clorafin with colour carbon black 165 DEG C is mixing makes mixing thing;
D, extra-high-tension cable sleeve surface roughness (Ra) is made in the 195 DEG C of extrusion mouldings of mixing for step c gained thing is 1.0;
E, by colloidal sol by splashing device, be injected in and be preheated on the steps d gained extra-high-tension cable sleeve pipe of 36 DEG C.
Embodiment 4
An extra-high-tension cable sleeve pipe for external application conducting film, comprises the component of following weight part: flame-proof silicon rubber 105 parts, brominated Polystyrene 11.5 parts, dioctyl phthalate (DOP) 23 parts, antioxidant 300 18 parts, tetramethylolmethane 3.5 parts, colour black 1.8 parts, polyvinyl chloride 3.5 parts, clorafin 0.25 part, UV light absorber 1.8 parts, tricresyl phosphite isooctyl acrylate 1.8 parts, conducting film colloidal sol 0.7 part.
Its preparation method, comprises the following steps:
A, the flame-proof silicon rubber of said components, oxidation inhibitor, UV light absorber, thermo-stabilizer and tricresyl phosphite isooctyl acrylate are mixed and made into mixture;
B, melting thing is made in the 132 DEG C of meltings of step a gained mixture;
C, by step b gained melting thing, lubricant, clorafin with colour carbon black 163 DEG C is mixing makes mixing thing;
D, extra-high-tension cable sleeve surface roughness (Ra) is made in the 198 DEG C of extrusion mouldings of mixing for step c gained thing is 0.8;
E, by colloidal sol by splashing device, be injected in and be preheated on the steps d gained extra-high-tension cable sleeve pipe of 38.
The performance test results of obtained sheath material is as follows:
As seen from the above table, the extra-high-tension cable sleeve pipe of external application conducting film provided by the invention has excellent fire-retardant, ageing resistance.
The Anti-static performance of extra-high-tension cable sleeve pipe excellence of the present invention is described below by way of comparative example:
Get embodiments of the invention 2 extra-high-tension cable sleeve pipe 1 meter, store battery provides 3 volts of voltages, the milliampere meter of wire switch and range 100 milliamperes connects into circuit, and switch closes, and forms loop line, finds that milliampere meter deflection is greater than 30 milliamperes.Replace experimental group cable shoe with the extra-high-tension cable sleeve pipe without conducting film, all the other are identical, and after forming loop, milliampere meter pointer is without obvious deflection.Illustrate that the cable tube of external application conducting film has good electric charge and dredges ability, effectively can avoid the accumulation of electric charge.Decrease the danger because electric charge accumulation brings.
Claims (9)
1. the extra-high-tension cable sleeve pipe of an external application conducting film, it is characterized in that, comprise the component of following weight part: flame-proof silicon rubber 100 ~ 120 parts, fire retardant are 10 ~ 12 parts, 20 ~ 25 parts, softening agent, 10 ~ 20 parts, oxidation inhibitor, lubricant 3 ~ 5 parts, colour black 1 ~ 2 part, thermo-stabilizer 2 ~ 5 parts, clorafin 0.2 ~ 0.4 part, UV light absorber 1 ~ 2 part, tricresyl phosphite isooctyl acrylate 1 ~ 2 part, conducting film colloidal sol 0.5 ~ 1 part.
2. the extra-high-tension cable sleeve pipe of a kind of external application conducting film according to claim 1, is characterized in that, described fire retardant is one or more the arbitrary combination in decabromodiphenyl oxide, TDE, brominated Polystyrene.
3. the extra-high-tension cable sleeve pipe of a kind of external application conducting film according to claim 1, is characterized in that, described oxidation inhibitor is antioxidant 1010 or antioxidant 300.
4. the extra-high-tension cable sleeve pipe of a kind of external application conducting film according to claim 1, it is characterized in that, described UV light absorber is one or more the arbitrary combination in UV-531 UV light absorber, UV-326 UV light absorber, UV-329 UV light absorber.
5. the extra-high-tension cable sleeve pipe of a kind of external application conducting film according to claim 1, is characterized in that, described conducting film colloidal sol is the colloidal sol that indium nitrate and second phthalein acetone soln are formed.
6. require the preparation method of the extra-high-tension cable sleeve pipe of a kind of external application conducting film described in 1 ~ 4 any one according to profit, it is characterized in that, comprise the following steps:
A, flame-proof silicon rubber, oxidation inhibitor, UV light absorber, thermo-stabilizer and tricresyl phosphite isooctyl acrylate are mixed and made into mixture;
B, melting thing is made in the melting of step a gained mixture;
C, by step b gained melting thing, lubricant, clorafin with colour carbon black is mixing makes mixing thing;
D, extra-high-tension cable sleeve pipe is made in mixing for step c gained thing extrusion moulding;
E, by conducting film colloidal sol by splashing device, be injected on preheated steps d gained extra-high-tension cable sleeve pipe.
7. the preparation method of the extra-high-tension cable sleeve pipe of a kind of external application conducting film according to claim 6, is characterized in that, steps d gained extra-high-tension cable sleeve surface roughness is 0.4 ~ 1.6.
8. the preparation method of the extra-high-tension cable sleeve pipe of a kind of external application conducting film according to claim 6, is characterized in that, described conducting film colloidal sol is the colloidal sol that indium nitrate and second phthalein acetone soln are formed.
9. the preparation method of the extra-high-tension cable sleeve pipe of a kind of external application conducting film according to claim 6, is characterized in that, the preheating temperature of described step e is 35 ~ 40 DEG C.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510791317.6A CN105462256A (en) | 2015-11-17 | 2015-11-17 | Extra-high voltage cable sleeve with external conducting film |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510791317.6A CN105462256A (en) | 2015-11-17 | 2015-11-17 | Extra-high voltage cable sleeve with external conducting film |
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| CN105462256A true CN105462256A (en) | 2016-04-06 |
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| CN201510791317.6A Pending CN105462256A (en) | 2015-11-17 | 2015-11-17 | Extra-high voltage cable sleeve with external conducting film |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106832936A (en) * | 2016-12-30 | 2017-06-13 | 安徽凌宇电缆科技有限公司 | A kind of aging-resistant flame-proof cable cover(ing) formula |
| CN111771865A (en) * | 2020-07-23 | 2020-10-16 | 国网黑龙江省电力有限公司电力科学研究院 | Bird repelling device and method for laying conducting film on tower cross arm |
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|---|---|---|---|---|
| CN1760275A (en) * | 2004-10-14 | 2006-04-19 | 瓦克化学有限公司 | Polysiloxane rubber composition having improved durability |
| CN102585513A (en) * | 2011-12-31 | 2012-07-18 | 全超 | Silicone rubber insulation material applied to high voltage cable accessories in European series and preparation method for material |
| CN103804913A (en) * | 2014-01-23 | 2014-05-21 | 安徽华源电缆集团有限公司 | Wear-resisting and high-temperature-resisting silicone rubber cable sheath material |
| CN104945915A (en) * | 2015-07-06 | 2015-09-30 | 苏州科茂电子材料科技有限公司 | Outer layer insulating material for cables and preparation method thereof |
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2015
- 2015-11-17 CN CN201510791317.6A patent/CN105462256A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1760275A (en) * | 2004-10-14 | 2006-04-19 | 瓦克化学有限公司 | Polysiloxane rubber composition having improved durability |
| CN102585513A (en) * | 2011-12-31 | 2012-07-18 | 全超 | Silicone rubber insulation material applied to high voltage cable accessories in European series and preparation method for material |
| CN103804913A (en) * | 2014-01-23 | 2014-05-21 | 安徽华源电缆集团有限公司 | Wear-resisting and high-temperature-resisting silicone rubber cable sheath material |
| CN104945915A (en) * | 2015-07-06 | 2015-09-30 | 苏州科茂电子材料科技有限公司 | Outer layer insulating material for cables and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106832936A (en) * | 2016-12-30 | 2017-06-13 | 安徽凌宇电缆科技有限公司 | A kind of aging-resistant flame-proof cable cover(ing) formula |
| CN111771865A (en) * | 2020-07-23 | 2020-10-16 | 国网黑龙江省电力有限公司电力科学研究院 | Bird repelling device and method for laying conducting film on tower cross arm |
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Application publication date: 20160406 |