CN105440378A - Insulating material for power distribution system - Google Patents
Insulating material for power distribution system Download PDFInfo
- Publication number
- CN105440378A CN105440378A CN201510315153.XA CN201510315153A CN105440378A CN 105440378 A CN105440378 A CN 105440378A CN 201510315153 A CN201510315153 A CN 201510315153A CN 105440378 A CN105440378 A CN 105440378A
- Authority
- CN
- China
- Prior art keywords
- insulating material
- rubber
- magnesium oxide
- zinc borate
- glass fibre
- 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
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The present invention belongs to the field of power materials, and discloses an insulating material for a power distribution system. The insulating material is prepared from the following raw materials: hydrogenated nitrile rubber, polyvinyl chloride, ethylene-propylene-diene rubber, polypropylene resin, triallyl cyanurate, aluminium nitride, egg shells, attapulgite, stearic acid, zinc borate, fiberglass, borax, triphenyl phosphate, oleamide, magnesium oxide, and aluminium hydroxide. The insulating material disclosed by the present invention is good in flame retardancy, excellent in mechanical properties and good in anti-corrosive property, and thus is suitable for making a cable insulation layer. In addition, the insulating material is used in a wide range, so that the service life of the cable is prolonged.
Description
Technical field
The invention belongs to electric power Material Field, be specifically related to a kind of insulating material for power distribution system.
Background technology
This section of system exporting to user side from step-down distribution substation (High Voltage Distribution Substations) in power system is called power distribution system by power distribution system.The voltage of transformation that power distribution system is made up of multiple controller switching equipment (or element) and distribution facility and distribute an electric power networks system of electric energy directly to terminal user.
Cable is the important component part in power distribution system, utilization in recent years along with productive life electric wire is growing and universal, 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, corrosion-resistant and high-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, the fire-retardant problem of electric wire causes the attention of countries in the world gradually; A large amount of smog is discharged and poisonous, corrosive gas is Hazard Factor in fire during cable fire, hamper safe escape and the fire-fighting work of people in a fire, lives and properties are made to suffer heavy losses, simultaneously along with the development of communication career, automotive industry and computer industry, particularly many occasions such as aviation wire, line for cars, high temperature instrument cable, oil drilling platform cable, more and more need to use the cable outer layer insulating material fire-retardant, thermal stability good, heat-drawn wire is high.
Summary of the invention
The object of the invention is to solve the many defects for the insulating material of power distribution system in prior art, through lot of experiments and exploration, change existing raw material composition and preparation method, there is provided a kind of in the insulating material for power distribution system, 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 distribution system, it is prepared from by following raw material:
Hydrogenated nitrile-butadiene rubber, polyvinyl chloride, terpolymer EP rubber, acrylic resin, triallyl cyanurate, aluminium nitride, Ovum crusta Gallus domesticus, polygorskite, stearic acid, zinc borate, glass fibre, borax, triphenylphosphate, amine hydroxybenzene, magnesium oxide, aluminium hydroxide.
Particularly, it is prepared from by the raw material of following weight part:
Hydrogenated nitrile-butadiene rubber 20-25 part, polyvinyl chloride 15-17 part, terpolymer EP rubber 12-15 part, acrylic resin 10-12 part, triallyl cyanurate 7-9 part, aluminium nitride 6-8 part, Ovum crusta Gallus domesticus 5-7 part, polygorskite 4-6 part, stearic acid 3-5 part, zinc borate 3-5 part, glass fibre 3-4 part, borax 2-3 part, triphenylphosphate 2-3 part, amine hydroxybenzene 1-2 part, magnesium oxide 1-2 part, aluminium hydroxide 1-2 part.
Preferably, the particle diameter of aluminium nitride, zinc borate, magnesium oxide and aluminium hydroxide all controls at 100 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: Ovum crusta Gallus domesticus, polygorskite and borax are added to successively in crusher and carry out fragmentation, then grind, and obtaining particle diameter is 100 object powder, is material 1;
Step 2) prepare material 2: put in stirred reactor by aluminium nitride, stearic acid, glass fibre and amine hydroxybenzene, 200 turns/min stirs 10min, is then heated to 70 DEG C, and insulation 3min, is finally down to 30 DEG C, obtains material 2;
Step 3) prepares material 3: by hydrogenated nitrile-butadiene rubber, polyvinyl chloride, terpolymer EP rubber, acrylic resin, and triallyl cyanurate and triphenylphosphate, mix, and adds Banbury mixer, and the banburying time is 5 minutes, and banburying temperature is 90 DEG C, obtains material 3;
Step 4) prepares insulating material: material 1, material 2, material 3, zinc borate, magnesium oxide and aluminium hydroxide 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, be expressed in injection moulding machine after the complete melting of batch mixing, injection moulding and get final product.
The beneficial effect that the present invention obtains mainly comprises:
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.Glass fibre advantage is good insulating, thermotolerance is strong, erosion resistance good, and physical strength is high.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 insulating 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, can be applicable to cable outer layer insulating material; 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
For an insulating material for power distribution system, it is prepared from by the raw material of following weight part:
Hydrogenated nitrile-butadiene rubber 20 parts, polyvinyl chloride 15 parts, terpolymer EP rubber 12 parts, acrylic resin 10 parts, triallyl cyanurate 7 parts, aluminium nitride 6 parts, Ovum crusta Gallus domesticus 5 parts, polygorskite 4 parts, stearic acid 3 parts, zinc borate 3 parts, 3 parts, glass fibre, borax 2 parts, triphenylphosphate 2 parts, amine hydroxybenzene 1 part, 1 part, magnesium oxide, 1 part, aluminium hydroxide.
The particle diameter of described aluminium nitride, zinc borate, magnesium oxide and aluminium hydroxide all controls at 100 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: Ovum crusta Gallus domesticus, polygorskite and borax are added to successively in crusher and carry out fragmentation, then grind, and obtaining particle diameter is 100 object powder, is material 1;
Step 2) prepare material 2: put in stirred reactor by aluminium nitride, stearic acid, glass fibre and amine hydroxybenzene, 200 turns/min stirs 10min, is then heated to 70 DEG C, and insulation 3min, is finally down to 30 DEG C, obtains material 2;
Step 3) prepares material 3: by hydrogenated nitrile-butadiene rubber, polyvinyl chloride, terpolymer EP rubber, acrylic resin, and triallyl cyanurate and triphenylphosphate, mix, and adds Banbury mixer, and the banburying time is 5 minutes, and banburying temperature is 90 DEG C, obtains material 3;
Step 4) prepares insulating material: material 1, material 2, material 3, zinc borate, magnesium oxide and aluminium hydroxide 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, be expressed in injection moulding machine after the complete melting of batch mixing, injection moulding and get final product.
Embodiment 2
For an insulating material for power distribution system, it is prepared from by the raw material of following weight part:
Hydrogenated nitrile-butadiene rubber 25 parts, polyvinyl chloride 17 parts, terpolymer EP rubber 15 parts, acrylic resin 12 parts, triallyl cyanurate 9 parts, aluminium nitride 8 parts, Ovum crusta Gallus domesticus 7 parts, polygorskite 6 parts, stearic acid 5 parts, zinc borate 5 parts, 4 parts, glass fibre, borax 3 parts, triphenylphosphate 3 parts, amine hydroxybenzene 2 parts, 2 parts, magnesium oxide, 2 parts, aluminium hydroxide.
The particle diameter of described aluminium nitride, zinc borate, magnesium oxide and aluminium hydroxide all controls at 100 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: Ovum crusta Gallus domesticus, polygorskite and borax are added to successively in crusher and carry out fragmentation, then grind, and obtaining particle diameter is 100 object powder, is material 1;
Step 2) prepare material 2: put in stirred reactor by aluminium nitride, stearic acid, glass fibre and amine hydroxybenzene, 200 turns/min stirs 10min, is then heated to 70 DEG C, and insulation 3min, is finally down to 30 DEG C, obtains material 2;
Step 3) prepares material 3: by hydrogenated nitrile-butadiene rubber, polyvinyl chloride, terpolymer EP rubber, acrylic resin, and triallyl cyanurate and triphenylphosphate, mix, and adds Banbury mixer, and the banburying time is 5 minutes, and banburying temperature is 90 DEG C, obtains material 3;
Step 4) prepares insulating material: material 1, material 2, material 3, zinc borate, magnesium oxide and aluminium hydroxide 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, be expressed in injection moulding machine after the complete melting of batch mixing, 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 the thickness of insulation material 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 | 18.6 | 497 | >180 | 2.49 | 32.3 |
| Embodiment 2 | Plasticizing is good, uniform color inclusion-free | 18.7 | 493 | >180 | 2.51 | 32.7 |
2. corrosion resistance test: test materials to be dipped in the sodium chloride solution of 10% 100 days, each Specifeca tion speeification measures, in table 2: test materials to be dipped in the sulphuric acid soln of 10% 100 days, and each Specifeca tion speeification measures, in table 3.
Table 2
| Group | Volume specific resistance conservation rate (%) | Tensile strength conservation rate (%) | Elongation at break (%) |
| Embodiment 1 | 98.1 | 97.4 | 94.7 |
| Embodiment 2 | 98.3 | 97.2 | 95.1 |
Table 3
| Group | Volume specific resistance conservation rate (%) | Tensile strength conservation rate (%) | Elongation at break conservation rate (%) |
| Embodiment 1 | 96.2 | 96.7 | 97.7 |
| Embodiment 2 | 95.6 | 96.9 | 96.9 |
Conclusion: insulating material flame-resistant insulation performance of the present invention is good, excellent in mechanical performance, and possesses good corrosion resistance nature, is applicable to cable insulation skin, and applied widely, substantially prolongs the work-ing life of cable.
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 (4)
1. for an insulating material for power distribution system, it is characterized in that, described insulating material is prepared from by following raw material:
Hydrogenated nitrile-butadiene rubber, polyvinyl chloride, terpolymer EP rubber, acrylic resin, triallyl cyanurate, aluminium nitride, Ovum crusta Gallus domesticus, polygorskite, stearic acid, zinc borate, glass fibre, borax, triphenylphosphate, amine hydroxybenzene, magnesium oxide, aluminium hydroxide.
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:
Hydrogenated nitrile-butadiene rubber 20-25 part, polyvinyl chloride 15-17 part, terpolymer EP rubber 12-15 part, acrylic resin 10-12 part, triallyl cyanurate 7-9 part, aluminium nitride 6-8 part, Ovum crusta Gallus domesticus 5-7 part, polygorskite 4-6 part, stearic acid 3-5 part, zinc borate 3-5 part, glass fibre 3-4 part, borax 2-3 part, triphenylphosphate 2-3 part, amine hydroxybenzene 1-2 part, magnesium oxide 1-2 part, aluminium hydroxide 1-2 part.
3. insulating material according to claim 2, is characterized in that, the particle diameter of described aluminium nitride, zinc borate, magnesium oxide and aluminium hydroxide is 100 orders; The diameter of described glass fibre is 10-20um, and length is 30-50um.
4. the insulating material according to Claims 2 or 3, is characterized in that, the preparation method of described insulating material comprises the steps:
Step 1) prepares material 1: Ovum crusta Gallus domesticus, polygorskite and borax are added to successively in crusher and carry out fragmentation, then grind, and obtaining particle diameter is 100 object powder, is material 1;
Step 2) prepare material 2: put in stirred reactor by aluminium nitride, stearic acid, glass fibre and amine hydroxybenzene, 200 turns/min stirs 10min, is then heated to 70 DEG C, and insulation 3min, is finally down to 30 DEG C, obtains material 2;
Step 3) prepares material 3: by hydrogenated nitrile-butadiene rubber, polyvinyl chloride, terpolymer EP rubber, acrylic resin, and triallyl cyanurate and triphenylphosphate, mix, and adds Banbury mixer, and the banburying time is 5 minutes, and banburying temperature is 90 DEG C, obtains material 3;
Step 4) prepares insulating material: material 1, material 2, material 3, zinc borate, magnesium oxide and aluminium hydroxide 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, be expressed in injection moulding machine after the complete melting of batch mixing, injection moulding and get final product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510315153.XA CN105440378A (en) | 2015-06-10 | 2015-06-10 | Insulating material for power distribution system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510315153.XA CN105440378A (en) | 2015-06-10 | 2015-06-10 | Insulating material for power distribution system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105440378A true CN105440378A (en) | 2016-03-30 |
Family
ID=55551048
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510315153.XA Pending CN105440378A (en) | 2015-06-10 | 2015-06-10 | Insulating material for power distribution system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105440378A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105968471A (en) * | 2016-05-18 | 2016-09-28 | 安徽华能电缆集团有限公司 | Waterproofing insulated cable sheath and preparation method thereof |
| CN109517287A (en) * | 2017-09-16 | 2019-03-26 | 上海电缆厂（南京）有限公司 | A kind of corrosion proof cable material |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5559169A (en) * | 1994-12-15 | 1996-09-24 | Cabot Corporation | EPDM, HNBR and Butyl rubber compositions containing carbon black products |
| CN103756156A (en) * | 2013-09-24 | 2014-04-30 | 青岛三立新源电器有限公司 | High strength and high temperature resistance electric cable insulation material |
| 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
- 2015-06-10 CN CN201510315153.XA patent/CN105440378A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5559169A (en) * | 1994-12-15 | 1996-09-24 | Cabot Corporation | EPDM, HNBR and Butyl rubber compositions containing carbon black products |
| CN103756156A (en) * | 2013-09-24 | 2014-04-30 | 青岛三立新源电器有限公司 | High strength and high temperature resistance electric cable insulation material |
| 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 (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105968471A (en) * | 2016-05-18 | 2016-09-28 | 安徽华能电缆集团有限公司 | Waterproofing insulated cable sheath and preparation method thereof |
| CN109517287A (en) * | 2017-09-16 | 2019-03-26 | 上海电缆厂（南京）有限公司 | A kind of corrosion proof cable material |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105367933A (en) | Cable for power distribution system | |
| CN103275385B (en) | Nuclear power Halogen-free low-smoke flame-retardant cable sheath material and preparation method thereof | |
| CN103205033A (en) | Butyronitrile-PVC (polyvinyl chloride) compound elastomer flame-retardant sheath material for wires and cables and manufacturing method of butyronitrile-PVC compound elastomer flame-retardant sheath | |
| CN105038087A (en) | Halogen-free flame retardant high-tear-resistance wire and cable compound for electric vehicles and wire and cable production method | |
| CN102618040B (en) | Method for preparing ceramifiable silicon rubber refractory material by adopting radiation crosslinking process | |
| CN102757588B (en) | A kind of Polyvinyl chloride flame-retardant fireproof power cable material and preparation method thereof | |
| CN105504532A (en) | Preparation method of polyolefin thermoplastic elastomer flame-retardant cable sheath material | |
| CN110240760A (en) | A kind of flame-resistant insulation ethylene propylene diene rubber hose compositions and preparation method thereof | |
| CN104945749A (en) | Architectural high-insulativity low-smoke halogen-free flame-retardant cable material and preparation method thereof | |
| CN105367860A (en) | Insulating material for power cable and preparation method of insulating material | |
| CN105504420A (en) | Temperature memory color-variable insulating material for cable | |
| CN111154171A (en) | Aging-resistant and cracking-resistant sheath material for mineral insulated cable and preparation method thereof | |
| CN113604052A (en) | Formula and processing technology of silicone rubber glass fiber sleeve | |
| CN105367858A (en) | Insulating material for transmission line | |
| CN103665825A (en) | Composite material for manufacturing high-temperature resistant, halogen-free and fire-retardant PPE cable and processing technology thereof | |
| CN105440378A (en) | Insulating material for power distribution system | |
| CN105330982A (en) | High pressure-resistant tension insulation cable | |
| CN104530543A (en) | Halogen-free environmental-friendly flame-retardant bus-bar insulating heat-shrinkable bushing and preparation method thereof | |
| CN108117760A (en) | A kind of charging system for electric automobile Acidproof cable material and preparation method thereof | |
| CN105885248A (en) | Silane crosslinked rubber cable sheath material | |
| CN105176030A (en) | Degradable electric insulating material | |
| CN105906865A (en) | Nitrile butadiene rubber cable sheath material and preparation method thereof | |
| CN105367859A (en) | High-temperature-resistant and dampproof cable for industry | |
| CN105336390A (en) | Non-poisonous fireproof moistureproof insulating cable | |
| CN107556630A (en) | A kind of cold-resistant flame-proof cable sheath material of good performance and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| DD01 | Delivery of document by public notice |
Addressee: Cao Zheng Document name: Notification of Passing Examination on Formalities |
|
| 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: 20160330 |