CN105367860A - Insulating material for power cable and preparation method of insulating material - Google Patents
Insulating material for power cable and preparation method of insulating material Download PDFInfo
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- CN105367860A CN105367860A CN201510510430.2A CN201510510430A CN105367860A CN 105367860 A CN105367860 A CN 105367860A CN 201510510430 A CN201510510430 A CN 201510510430A CN 105367860 A CN105367860 A CN 105367860A
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- insulating material
- kaolin
- zinc borate
- rubber
- glass fibre
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Abstract
The invention relates to an insulating material for a power cable. The insulating material for the power cable is prepared from aluminum hydroxide, antimonous oxide, oleamide, borax, triphenyl phosphate, zinc borate, glass fiber, stearic acid, egg shells, kaolin, aluminum nitride, triallyl cyanurate, chlorinated polyethylene, ethylene propylene diene monomer and hydrogenated acrylonitrile butadiene rubber. The insulating material has good insulating property, corrosion resistance, flame retardant property and mechanical property, the preparation technology is simple, and the application prospect is wide.
Description
Technical field
The invention belongs to electric power Material Field, be specifically related to a kind of insulating material for power cable and preparation method thereof.
Background technology
Utilization in recent years along with productive life electric wire is growing and universal, and the requirement increase of electric wire is very fast, and along with expanding economy, also more and more higher to the requirement of its material, it requires the performances such as soft, wear-resisting, low temperature resistant.And no matter consider from mechanicalness, showing tremendous enthusiasm chemical resistance and disaster prevention angle, inner raw material is impaired all plays vital effect to maintain in its normal operation in protection for cable outer layer insulating material, in embody rule process, cable outer layer insulating material all must resist Exposure to Sunlight, UV radiation, ozone ageing, pharmaceutical chemicals erosion, still can ensure under unexpected disaster scenarios it or temporarily ensure that it normally runs simultaneously, along with the frequent generation of electrical fire accident, electric wire Problems existing causes the attention of countries in the world gradually.Develop a kind of high performance cable insulation material particularly important.
Summary of the invention
The object of the invention is to solve the many defects for the insulating material of cable in prior art, through lot of experiments and exploration, change existing raw material composition and preparation method, there is provided a kind of insulating material for cable, this insulating material possesses good insulating property, corrosion resistance nature, flame retardant properties and mechanical property; The preparation technology of above-mentioned insulating material is simple, is applicable to large-scale industrial production.
To achieve these goals, technical scheme of the present invention realizes in the following way:
For an insulating material for power cable, it is prepared by following raw material and obtains:
Aluminium hydroxide, antimonous oxide, amine hydroxybenzene, borax, triphenylphosphate, zinc borate, glass fibre, stearic acid, Ovum crusta Gallus domesticus, kaolin, aluminium nitride, triallyl cyanurate, chlorinatedpolyethylene, terpolymer EP rubber, hydrogenated nitrile-butadiene rubber.
Particularly, be prepared from by the raw material of following weight part:
Aluminium hydroxide 1-2 part, antimonous oxide 1-2 part, amine hydroxybenzene 1-2 part, borax 2-3 part, triphenylphosphate 2-3 part, zinc borate 2-3 part, glass fibre 2-3 part, stearic acid 3-5 part, Ovum crusta Gallus domesticus 5-7 part, kaolin 6-8 part, aluminium nitride 8-10 part, triallyl cyanurate 8-10 part, chlorinatedpolyethylene 12-15 part, terpolymer EP rubber 15-18 part, hydrogenated nitrile-butadiene rubber 19-22 part.
Preferably, the particle diameter of aluminium hydroxide, antimonous oxide, zinc borate, kaolin and aluminium nitride all controls at 200 orders; The diameter of glass fibre is 10-20um, and length is 30-50um.
The preparation method of above-mentioned insulating material comprises the steps:
Step 1) prepares material 1: borax and Ovum crusta Gallus domesticus are added to successively in crusher and carry out fragmentation, then grind, and obtaining particle diameter is 200 object powder, is material 1;
Step 2) prepare material 2: put in stirred reactor by amine hydroxybenzene, glass fibre, stearic acid and aluminium nitride, 200 turns/min stirs 10min, is then heated to 70 DEG C, and insulation 3min, is finally down to room temperature, obtains material 2;
Step 3) prepares material 3: by triphenylphosphate, triallyl cyanurate, chlorinatedpolyethylene, terpolymer EP rubber and hydrogenated nitrile-butadiene rubber, mix, add Banbury mixer, at temperature is 90 DEG C mixing 5 minutes, obtains material 3;
Step 4) prepares insulating material: aluminium hydroxide, antimonous oxide, zinc borate, kaolin, material 1, material 2 and material 3 are put into successively in whizzer, 1200 turns/min centrifugal mixer 3 minutes, after mixing, enter twin screw extruder and be squeezed into molten state, then be expressed in injection moulding machine, injection moulding and get final product.
The beneficial effect that the present invention obtains mainly comprises:
Material combination of the present invention is reasonable, substantially increases the performance of cable insulation material; Glass fibre advantage is good insulating, thermotolerance is strong, erosion resistance good, and physical strength is high.Amine hydroxybenzene can reduce between the internal friction film in the course of processing such as resin and transfer equipment and rubs, and simplifies the operation to the finished product, reduces the shaping melting viscosity of resin particle, improve mobility.Triallyl cyanurate can significantly improve the intensity of product, rigidity and resistance toheat, and goods can be made at about 250 DEG C life-time service.Terpolymer EP rubber is the multipolymer of ethene, propylene and a small amount of non-conjugated diene hydrocarbon, and resistance to ozone, the ageing-resistant performance such as heat-resisting, weather-proof are excellent.The resistance toheat that hydrogenated nitrile-butadiene rubber tool is good, excellent resistance to chemical corrosion (to freonll-11, acid, alkali there is good resistance), excellent ozone resistance, higher incompressible tension set performance.Ovum crusta Gallus domesticus belongs to domestic refuse, and the present invention has carried out effective utilization to it, and raw material is cheap, improves mechanical property, turns waste into wealth, and kills two birds with one stone.Aluminium nitride is good heat shock resistance material, its good stability, intensity are high, thermal conductivity good, thermal expansivity is little, but the poor compatibility of itself and rubber matrix, the present invention has carried out modification to it, the surface of aluminium nitride is improved, its agglomeration tendency weakens, and the consistency between itself and rubber matrix strengthens, and improves the mechanical property of cable material, heat aging property and wear resisting property; Insulating material prepared by the present invention possesses insulating property, corrosion resistance nature, flame retardant properties and mechanical property; Preparation technology of the present invention is simple, is applicable to large-scale industrial production.
Embodiment
Technical scheme in the application is understood better in order to make those skilled in the art person, below in conjunction with the application's specific embodiment, carry out clearly, intactly describing to the present invention, obviously, described embodiment is only some embodiments of the present application, instead of whole embodiments.Based on the embodiment in the application, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, should belong to the scope of protection of the invention.
Embodiment 1
A kind of insulating material for power cable and preparation method thereof, it is prepared from by the raw material of following weight part:
1 part, aluminium hydroxide, antimonous oxide 1 part, amine hydroxybenzene 1 part, borax 2 parts, triphenylphosphate 2 parts, zinc borate 2 parts, 2 parts, glass fibre, stearic acid 3 parts, Ovum crusta Gallus domesticus 5 parts, kaolin 6 parts, aluminium nitride 8 parts, triallyl cyanurate 8 parts, chlorinatedpolyethylene 12 parts, terpolymer EP rubber 15 parts, hydrogenated nitrile-butadiene rubber 19 parts.
Wherein, the particle diameter of aluminium hydroxide, antimonous oxide, zinc borate, kaolin and aluminium nitride all controls at 200 orders; The diameter of glass fibre is 10um, and length is 30um.
The preparation method of above-mentioned insulating material comprises the steps:
Step 1) prepares material 1: borax and Ovum crusta Gallus domesticus are added to successively in crusher and carry out fragmentation, then grind, and obtaining particle diameter is 200 object powder, is material 1;
Step 2) prepare material 2: put in stirred reactor by amine hydroxybenzene, glass fibre, stearic acid and aluminium nitride, 200 turns/min stirs 10min, is then heated to 70 DEG C, and insulation 3min, is finally down to room temperature, obtains material 2;
Step 3) prepares material 3: by triphenylphosphate, triallyl cyanurate, chlorinatedpolyethylene, terpolymer EP rubber and hydrogenated nitrile-butadiene rubber, mix, add Banbury mixer, at temperature is 90 DEG C mixing 5 minutes, obtains material 3;
Step 4) prepares insulating material: aluminium hydroxide, antimonous oxide, zinc borate, kaolin, material 1, material 2 and material 3 are put into successively in whizzer, 1200 turns/min centrifugal mixer 3 minutes, after mixing, enter twin screw extruder and be squeezed into molten state, then be expressed in injection moulding machine, injection moulding and get final product.
Embodiment 2
A kind of insulating material for power cable and preparation method thereof, it is prepared from by the raw material of following weight part:
2 parts, aluminium hydroxide, antimonous oxide 2 parts, amine hydroxybenzene 2 parts, borax 3 parts, triphenylphosphate 3 parts, zinc borate 3 parts, 3 parts, glass fibre, stearic acid 5 parts, Ovum crusta Gallus domesticus 7 parts, kaolin 8 parts, aluminium nitride 10 parts, triallyl cyanurate 10 parts, chlorinatedpolyethylene 15 parts, terpolymer EP rubber 18 parts, hydrogenated nitrile-butadiene rubber 22 parts.
Wherein, the particle diameter of aluminium hydroxide, antimonous oxide, zinc borate, kaolin and aluminium nitride all controls at 200 orders; The diameter of glass fibre is 20um, and length is 50um.
The preparation method of above-mentioned insulating material comprises the steps:
Step 1) prepares material 1: borax and Ovum crusta Gallus domesticus are added to successively in crusher and carry out fragmentation, then grind, and obtaining particle diameter is 200 object powder, is material 1;
Step 2) prepare material 2: put in stirred reactor by amine hydroxybenzene, glass fibre, stearic acid and aluminium nitride, 200 turns/min stirs 10min, is then heated to 70 DEG C, and insulation 3min, is finally down to room temperature, obtains material 2;
Step 3) prepares material 3: by triphenylphosphate, triallyl cyanurate, chlorinatedpolyethylene, terpolymer EP rubber and hydrogenated nitrile-butadiene rubber, mix, add Banbury mixer, at temperature is 90 DEG C mixing 5 minutes, obtains material 3;
Step 4) prepares insulating material: aluminium hydroxide, antimonous oxide, zinc borate, kaolin, material 1, material 2 and material 3 are put into successively in whizzer, 1200 turns/min centrifugal mixer 3 minutes, after mixing, enter twin screw extruder and be squeezed into molten state, then be expressed in injection moulding machine, injection moulding and get final product.
Embodiment 3
The performance test of insulating material prepared by the present invention:
1. the mechanical property corrosion resistance of insulating material prepared of embodiment and embodiment 2 and insulating property better, the visible table 1 of concrete detected result, wherein thickness of insulating layer is 2mm:
Table 1
| Group | Outward appearance | Tensile strength (N/mm 2） | Elongation at break (%) | 200 DEG C of heat-stable times (min) | Volume specific resistance × 10 -15（Ω·cm） | Oxygen index |
| Embodiment 1 | Plasticizing is good, uniform color inclusion-free | 17.6 | 479 | >180 | 2.47 | 34.8 |
| Embodiment 2 | Plasticizing is good, uniform color inclusion-free | 17.1 | 468 | >180 | 2.43 | 35.1 |
2. corrosion resistance test: for salts solution, to be dipped in the sodium chloride solution of 10% 100 days by test materials, each Specifeca tion speeification measures, in table 2.
Table 2
| Group | Volume specific resistance conservation rate (%) | Tensile strength conservation rate (%) | Elongation at break (%) |
| Embodiment 1 | 96.3 | 96.4 | 96.2 |
| Embodiment 2 | 95.9 | 96.1 | 96.7 |
More than in conjunction with concrete embodiment, invention has been described, but it will be apparent to those skilled in the art that these descriptions are all exemplary, is not limiting the scope of the invention.Those skilled in the art can make various variants and modifications according to spirit of the present invention and principle to the present invention, and these variants and modifications also within the scope of the invention.
Claims (3)
1. for an insulating material for power cable, it is characterized in that, described insulating material is prepared by following raw material and obtains:
Aluminium hydroxide, antimonous oxide, amine hydroxybenzene, borax, triphenylphosphate, zinc borate, glass fibre, stearic acid, Ovum crusta Gallus domesticus, kaolin, aluminium nitride, triallyl cyanurate, chlorinatedpolyethylene, terpolymer EP rubber, hydrogenated nitrile-butadiene rubber.
2. insulating material according to claim 1, is characterized in that, described insulating material is prepared from by the raw material of following weight part:
Aluminium hydroxide 1-2 part, antimonous oxide 1-2 part, amine hydroxybenzene 1-2 part, borax 2-3 part, triphenylphosphate 2-3 part, zinc borate 2-3 part, glass fibre 2-3 part, stearic acid 3-5 part, Ovum crusta Gallus domesticus 5-7 part, kaolin 6-8 part, aluminium nitride 8-10 part, triallyl cyanurate 8-10 part, chlorinatedpolyethylene 12-15 part, terpolymer EP rubber 15-18 part, hydrogenated nitrile-butadiene rubber 19-22 part; Preferably, the particle diameter of described aluminium hydroxide, antimonous oxide, zinc borate, kaolin and aluminium nitride is 200 orders; The diameter of described glass fibre is 10-20um, and length is 30-50um.
3. insulating material according to claim 2, is characterized in that, the preparation method of described insulating material comprises the steps:
Step 1) prepares material 1: borax and Ovum crusta Gallus domesticus are added to successively in crusher and carry out fragmentation, then grind, and obtaining particle diameter is 200 object powder, is material 1;
Step 2) prepare material 2: put in stirred reactor by amine hydroxybenzene, glass fibre, stearic acid and aluminium nitride, 200 turns/min stirs 10min, is then heated to 70 DEG C, and insulation 3min, is finally down to room temperature, obtains material 2;
Step 3) prepares material 3: by triphenylphosphate, triallyl cyanurate, chlorinatedpolyethylene, terpolymer EP rubber and hydrogenated nitrile-butadiene rubber, mix, add Banbury mixer, at temperature is 90 DEG C mixing 5 minutes, obtains material 3;
Step 4) prepares insulating material: aluminium hydroxide, antimonous oxide, zinc borate, kaolin, material 1, material 2 and material 3 are put into successively in whizzer, 1200 turns/min centrifugal mixer 3 minutes, after mixing, enter twin screw extruder and be squeezed into molten state, then be expressed in injection moulding machine, injection moulding and get final product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510510430.2A CN105367860A (en) | 2015-08-19 | 2015-08-19 | Insulating material for power cable and preparation method of insulating material |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510510430.2A CN105367860A (en) | 2015-08-19 | 2015-08-19 | Insulating material for power cable and preparation method of insulating material |
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| CN105367860A true CN105367860A (en) | 2016-03-02 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105807180A (en) * | 2016-03-04 | 2016-07-27 | 国网山东省电力公司平邑县供电公司 | 485 line fault finder |
| CN106009343A (en) * | 2016-07-21 | 2016-10-12 | 张翔 | Shearer cable filling material |
| CN106084501A (en) * | 2016-08-01 | 2016-11-09 | 江苏士林电气设备有限公司 | A kind of ethylene propylene diene rubber insulant and preparation method thereof |
| CN108373555A (en) * | 2018-04-09 | 2018-08-07 | 合肥市闵葵电力工程有限公司 | A kind of abrasion resistant fire blocking heat-conducting insulation material and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008021456A (en) * | 2006-07-11 | 2008-01-31 | Hitachi Cable Ltd | High voltage cabtire cable |
| CN103102502A (en) * | 2013-02-20 | 2013-05-15 | 青岛科技大学 | Preparation method of novel insulated rubber |
| CN104558864A (en) * | 2015-01-15 | 2015-04-29 | 无为县华祥电缆材料有限公司 | Modified ethylene propylene diene monomer insulating cable material |
-
2015
- 2015-08-19 CN CN201510510430.2A patent/CN105367860A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008021456A (en) * | 2006-07-11 | 2008-01-31 | Hitachi Cable Ltd | High voltage cabtire cable |
| CN103102502A (en) * | 2013-02-20 | 2013-05-15 | 青岛科技大学 | Preparation method of novel insulated rubber |
| CN104558864A (en) * | 2015-01-15 | 2015-04-29 | 无为县华祥电缆材料有限公司 | Modified ethylene propylene diene monomer insulating cable material |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105807180A (en) * | 2016-03-04 | 2016-07-27 | 国网山东省电力公司平邑县供电公司 | 485 line fault finder |
| CN105807180B (en) * | 2016-03-04 | 2018-08-21 | 国网山东省电力公司平邑县供电公司 | 485 line fault finders |
| CN106009343A (en) * | 2016-07-21 | 2016-10-12 | 张翔 | Shearer cable filling material |
| CN106084501A (en) * | 2016-08-01 | 2016-11-09 | 江苏士林电气设备有限公司 | A kind of ethylene propylene diene rubber insulant and preparation method thereof |
| CN108373555A (en) * | 2018-04-09 | 2018-08-07 | 合肥市闵葵电力工程有限公司 | A kind of abrasion resistant fire blocking heat-conducting insulation material and preparation method thereof |
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Application publication date: 20160302 |
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