CN104130503B - A kind of insulating material for power system and application - Google Patents
A kind of insulating material for power system and application Download PDFInfo
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- CN104130503B CN104130503B CN201410366003.7A CN201410366003A CN104130503B CN 104130503 B CN104130503 B CN 104130503B CN 201410366003 A CN201410366003 A CN 201410366003A CN 104130503 B CN104130503 B CN 104130503B
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- 239000011810 insulating material Substances 0.000 title claims abstract description 26
- ADCOVFLJGNWWNZ-UHFFFAOYSA-N antimony trioxide Chemical compound O=[Sb]O[Sb]=O ADCOVFLJGNWWNZ-UHFFFAOYSA-N 0.000 claims abstract description 28
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 22
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical class O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000000843 powder Substances 0.000 claims abstract description 22
- 238000012986 modification Methods 0.000 claims abstract description 16
- 230000004048 modification Effects 0.000 claims abstract description 16
- 239000002994 raw material Substances 0.000 claims abstract description 15
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 claims abstract description 14
- 229910021502 aluminium hydroxide Inorganic materials 0.000 claims abstract description 14
- 229910000514 dolomite Inorganic materials 0.000 claims abstract description 14
- 239000010459 dolomite Substances 0.000 claims abstract description 14
- 229910010271 silicon carbide Inorganic materials 0.000 claims abstract description 14
- WYTZZXDRDKSJID-UHFFFAOYSA-N (3-aminopropyl)triethoxysilane Chemical compound CCO[Si](OCC)(OCC)CCCN WYTZZXDRDKSJID-UHFFFAOYSA-N 0.000 claims abstract description 10
- KMOUUZVZFBCRAM-OLQVQODUSA-N (3as,7ar)-3a,4,7,7a-tetrahydro-2-benzofuran-1,3-dione Chemical compound C1C=CC[C@@H]2C(=O)OC(=O)[C@@H]21 KMOUUZVZFBCRAM-OLQVQODUSA-N 0.000 claims abstract description 10
- YSAANLSYLSUVHB-UHFFFAOYSA-N 2-[2-(dimethylamino)ethoxy]ethanol Chemical compound CN(C)CCOCCO YSAANLSYLSUVHB-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000004925 Acrylic resin Substances 0.000 claims abstract description 10
- 229920000178 Acrylic resin Polymers 0.000 claims abstract description 10
- 229920000954 Polyglycolide Polymers 0.000 claims abstract description 10
- 239000004633 polyglycolic acid Substances 0.000 claims abstract description 10
- 229920000915 polyvinyl chloride Polymers 0.000 claims abstract description 10
- 239000004800 polyvinyl chloride Substances 0.000 claims abstract description 10
- -1 cyanacrylate Chemical compound 0.000 claims abstract description 7
- 239000000463 material Substances 0.000 claims description 27
- 238000002156 mixing Methods 0.000 claims description 16
- 238000006243 chemical reaction Methods 0.000 claims description 12
- 239000012467 final product Substances 0.000 claims description 12
- 238000001746 injection moulding Methods 0.000 claims description 12
- 239000002245 particle Substances 0.000 claims description 12
- 238000002360 preparation method Methods 0.000 claims description 12
- 150000001875 compounds Chemical class 0.000 claims description 11
- 238000009413 insulation Methods 0.000 claims description 11
- 239000005995 Aluminium silicate Substances 0.000 claims description 8
- 239000002253 acid Substances 0.000 claims description 8
- 235000012211 aluminium silicate Nutrition 0.000 claims description 8
- 238000000227 grinding Methods 0.000 claims description 8
- 238000002844 melting Methods 0.000 claims description 8
- 230000008018 melting Effects 0.000 claims description 8
- 238000001556 precipitation Methods 0.000 claims description 8
- 150000003839 salts Chemical class 0.000 claims description 8
- 238000003756 stirring Methods 0.000 claims description 4
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 abstract description 6
- 239000003063 flame retardant Substances 0.000 abstract description 6
- 230000007797 corrosion Effects 0.000 abstract description 5
- 238000005260 corrosion Methods 0.000 abstract description 5
- 239000012774 insulation material Substances 0.000 description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 101000905241 Mus musculus Heart- and neural crest derivatives-expressed protein 1 Proteins 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 229920003002 synthetic resin Polymers 0.000 description 2
- 239000000057 synthetic resin Substances 0.000 description 2
- 239000004902 Softening Agent Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000006482 condensation reaction Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
- H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
- H01B3/44—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins
- H01B3/441—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins from alkenes
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
- C08L2203/202—Applications use in electrical or conductive gadgets use in electrical wires or wirecoating
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
Abstract
The invention belongs to technical field of electric power, disclose a kind of insulating material for power system, it is prepared from by following raw material, carborundum powder, aluminium hydroxide, ground dolomite, antimonous oxide, modified kaolin, modification infusorial earth, dimethylaminoethoxyethanol, polyglycolic acid, cyanacrylate, γ-aminopropyl triethoxysilane, Tetra hydro Phthalic anhydride, polyvinyl chloride, acrylic resin.Insulating material prepared by the present invention not only possesses good insulating property, and product hardness, tensile property and fracture indices are better, also possess good flame retardant properties and corrosion resistance nature, have stopped the potential safety hazard of extreme environment.
Description
Technical field
The invention belongs to technical field of electric power, particularly, relate to a kind of insulating material for power system and application.
Background technology
Electric insulation material has wide range of applications in power system, and Application Areas comprises ammeter housing, cable insulation, cable sheath tube, the component of shock resistance and high strength, shield cap, precision meter part, interconnecting devices, tuner, printed wiring socket and terminal block.Electric insulation material by the definition of standard GB/T 2900.5 regulation insulating material is: " being used for making the material of device insulation on electrically ".Namely can stop the material that electric current passes through.Its resistivity is very high, usually in the scope of 10 ~ 10 Ω m.As in motor, turn-to-turn is isolated and is kept apart with the stator core of ground connection, to ensure the safe operation of motor by the insulating material around conductor.The range of application of current Electric insulation material is more and more wider, and also more and more higher to the requirement of its performance.
At present, Electric insulation material mainly makes sheet material with plastics, and plastics are the macromolecular compound of synthesis, freely can change body styles.Plastics are the materials utilizing raw material monomer to be polymerized with synthesis or condensation reaction, and be made up of additives such as synthetic resins and filler, softening agent, stablizer, lubricant, colorants, its main component is synthetic resins.Above-mentioned insulating material generally possesses certain insulating property, but mechanical property, thermostability, flame retardant properties and corrosion resistance nature often do not reach expection requirement.In order to overcome above-mentioned defect, in prior art, also prepare the Electric insulation material of a lot of type and composition; Such as, Chinese invention patent CN101469118A discloses a kind of ammeter housing macromolecular material, and this macromolecular material physical strength is inadequate, and cost is higher, does not utilize and promotes the use of; Chinese invention patent CN201210277279 discloses a kind of high-strength highly-conductive thermal insulating material, and this material possesses good heat conductance and insulativity, but the physical strength of this material is inadequate, and cost is higher, does not utilize and promotes the use of.Prior art urgently needs that high, the cold and hot stability of a kind of physical strength is high, flame retardant properties is better, the insulating material for power system of with low cost and corrosion resistance and good.
Summary of the invention
The object of the invention is the many defects solving power system insulation material in prior art, through lot of experiments and exploration, change existing raw material composition and preparation method, a kind of novel power system insulation material is provided, this insulating material not only possesses good insulating property, and possesses the advantages such as physical strength is high, corrosion-resistant, flame retardant properties is good and with low cost.
To achieve these goals, technical scheme of the present invention realizes in the following way:
For an insulating material for power system, it is prepared from by following raw material:
Carborundum powder, aluminium hydroxide, ground dolomite, antimonous oxide, modified kaolin, modification infusorial earth, dimethylaminoethoxyethanol, polyglycolic acid, cyanacrylate, γ-aminopropyl triethoxysilane, Tetra hydro Phthalic anhydride, polyvinyl chloride, acrylic resin.
Particularly, be prepared from by the raw material of following weight part:
Carborundum powder 1-2 part, aluminium hydroxide 1-2 part, ground dolomite 2-3 part, antimonous oxide 2-3 part, modified kaolin 3-4 part, modification infusorial earth 3-4 part, dimethylaminoethoxyethanol 5-7 part, polyglycolic acid 5-7 part, cyanacrylate 6-9 part, γ-aminopropyl triethoxysilane 6-9 part, Tetra hydro Phthalic anhydride 8-10 part, polyvinyl chloride 18-24 part, acrylic resin 25-30 part.
The preparation method of the above-mentioned insulating material for power system, comprises the following steps:
1) each raw material is taken according to weight part;
2) carborundum powder, aluminium hydroxide, ground dolomite, antimonous oxide, modified kaolin and modification infusorial earth are put in whizzer, 500 turns/min centrifugal mixer 5 minutes, obtain compound, then compound is added in reaction vessel, insulation reaction 15 minutes, temperature controls at 80 DEG C, after insulation reaction terminates, be cooled to room temperature rapidly, obtain material A for subsequent use;
3) compound thing 1 is prepared: by dimethylaminoethoxyethanol, polyglycolic acid, cyanacrylate, γ-aminopropyl triethoxysilane, Tetra hydro Phthalic anhydride, polyvinyl chloride and acrylic resin, mixing and stirring, add Banbury mixer, at temperature is 90 DEG C mixing 5 minutes, obtain material B for subsequent use;
4) melting injection moulding: by step 2) gained material A and step 3) gained material B put in whizzer, 500 turns/min centrifugal mixer 10 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 at 300 DEG C.
Preferably,
The preparation method of modified kaolin is: first use 5%(V/V) salt acid soak kaolin 10min, not have kaolin to be as the criterion, centrifugal 3 minutes of 500 turns/min, collecting precipitation, after oven dry, grinding to form particle diameter is 500 object powder, to obtain final product;
Preferably,
The preparation method of modification infusorial earth is: first use 5%(V/V) salt acid soak diatomite 10min, not have diatomite to be as the criterion, centrifugal 3 minutes of 500 turns/min, collecting precipitation, after oven dry, grinding to form particle diameter is 500 object powder, to obtain final product;
Preferably, the particle diameter of carborundum powder, aluminium hydroxide, ground dolomite and antimonous oxide all controls at 500 orders.
The beneficial effect that the present invention obtains mainly comprises:
Insulating material for power system prepared by the present invention can be widely used in power domain, comprises cable insulation, the component of shock resistance and high strength, shield cap and interconnecting devices etc.;
Possess good synergy between each material component of Electric insulation material prepared by the present invention, while possessing superior isolation performance, higher mechanical property can be reached, and possess excellent acid-proof alkaline and flame retardant properties;
The each low raw-material cost of the present invention, is conducive to reducing enterprise's raw materials cost, promotes industrialization large-scale promotion to produce and uses.
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 system, it is prepared from by the raw material of following weight part:
Carborundum powder 1 part, 1 part, aluminium hydroxide, ground dolomite 2 parts, antimonous oxide 2 parts, modified kaolin 3 parts, modification infusorial earth 3 parts, dimethylaminoethoxyethanol 5 parts, polyglycolic acid 5 parts, cyanacrylate 6 parts, γ-aminopropyl triethoxysilane 6 parts, Tetra hydro Phthalic anhydride 8 parts, polyvinyl chloride 18 parts, acrylic resin 25 parts.
The preparation method of the above-mentioned insulating material for power system, comprises the following steps:
1) each raw material is taken according to weight part;
2) carborundum powder, aluminium hydroxide, ground dolomite, antimonous oxide, modified kaolin and modification infusorial earth are put in whizzer, 500 turns/min centrifugal mixer 5 minutes, obtain compound, then compound is added in reaction vessel, insulation reaction 15 minutes, temperature controls at 80 DEG C, after insulation reaction terminates, be cooled to room temperature rapidly, obtain material A for subsequent use; Wherein, the preparation method of modified kaolin is: first use 5%(V/V) salt acid soak kaolin 10min, not have kaolin to be as the criterion, centrifugal 3 minutes of 500 turns/min, collecting precipitation, after oven dry, grinding to form particle diameter is 500 object powder, to obtain final product;
The preparation method of modification infusorial earth is: first use 5%(V/V) salt acid soak diatomite 10min, not have diatomite to be as the criterion, centrifugal 3 minutes of 500 turns/min, collecting precipitation, after oven dry, grinding to form particle diameter is 500 object powder, to obtain final product;
The particle diameter of carborundum powder, aluminium hydroxide, ground dolomite and antimonous oxide all controls at 500 orders;
3) compound thing 1 is prepared: by dimethylaminoethoxyethanol, polyglycolic acid, cyanacrylate, γ-aminopropyl triethoxysilane, Tetra hydro Phthalic anhydride, polyvinyl chloride and acrylic resin, mixing and stirring, add Banbury mixer, at temperature is 90 DEG C mixing 5 minutes, obtain material B for subsequent use;
4) melting injection moulding: by step 2) gained material A and step 3) gained material B put in whizzer, 500 turns/min centrifugal mixer 10 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 at 300 DEG C.
Embodiment 2
For an insulating material for power system, it is prepared from by the raw material of following weight part:
Carborundum powder 2 parts, 2 parts, aluminium hydroxide, ground dolomite 3 parts, antimonous oxide 3 parts, modified kaolin 4 parts, modification infusorial earth 4 parts, dimethylaminoethoxyethanol 7 parts, polyglycolic acid 7 parts, cyanacrylate 9 parts, γ-aminopropyl triethoxysilane 9 parts, Tetra hydro Phthalic anhydride 10 parts, polyvinyl chloride 24 parts, acrylic resin 30 parts.
The preparation method of the above-mentioned insulating material for power system, comprises the following steps:
1) each raw material is taken according to weight part;
2) carborundum powder, aluminium hydroxide, ground dolomite, antimonous oxide, modified kaolin and modification infusorial earth are put in whizzer, 500 turns/min centrifugal mixer 5 minutes, obtain compound, then compound is added in reaction vessel, insulation reaction 15 minutes, temperature controls at 80 DEG C, after insulation reaction terminates, be cooled to room temperature rapidly, obtain material A for subsequent use;
The preparation method of modified kaolin is: first use 5%(V/V) salt acid soak kaolin 10min, not have kaolin to be as the criterion, centrifugal 3 minutes of 500 turns/min, collecting precipitation, after oven dry, grinding to form particle diameter is 500 object powder, to obtain final product;
The preparation method of modification infusorial earth is: first use 5%(V/V) salt acid soak diatomite 10min, not have diatomite to be as the criterion, centrifugal 3 minutes of 500 turns/min, collecting precipitation, after oven dry, grinding to form particle diameter is 500 object powder, to obtain final product;
The particle diameter of carborundum powder, aluminium hydroxide, ground dolomite and antimonous oxide all controls at 500 orders;
3) compound thing 1 is prepared: by dimethylaminoethoxyethanol, polyglycolic acid, cyanacrylate, γ-aminopropyl triethoxysilane, Tetra hydro Phthalic anhydride, polyvinyl chloride and acrylic resin, mixing and stirring, add Banbury mixer, at temperature is 90 DEG C mixing 5 minutes, obtain material B for subsequent use;
4) melting injection moulding: by step 2) gained material A and step 3) gained material B put in whizzer, 500 turns/min centrifugal mixer 10 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 at 300 DEG C.
Embodiment 3
The performance test of the insulating material for power system prepared by the present invention:
The insulating material prepared for the embodiment of the present invention 1 and 2 carries out performance test; The test result of resulting materials is in Table 1-2:
Table 1
| Group | Thickness (mm) | Hardness (A) | Tensile strength (N/mm 2） | Elongation at break (%) |
| Embodiment 1 | 2.02 | 84 | 16.7 | 504 |
| Embodiment 2 | 2.01 | 85 | 16.9 | 511 |
Table 2
| Group | Volume specific resistance × 10 -15（Ω·cm） | Horizontal vertical burning grade | Oxygen index (%) |
| Embodiment 1 | 2.43 | UL94V-0 | 33 |
| Embodiment 2 | 2.37 | UL94V-0 | 32 |
Table 3
| Sodium hydroxide 10%(30d) | Sulfuric acid 20%(30d) | Salt solution 12%(30d) | |
| Embodiment 1 | Elongation at break decline 2%, tensile strength decline 5%, oxygen index and volume specific resistance unchanged | Elongation at break and tensile strength all decline 4%, and volume specific resistance declines 2%, and oxygen index declines 6% | Elongation at break declines 2%, and tensile strength declines 4%, and volume specific resistance declines 1%, and oxygen index declines 10% |
Conclusion: insulating material prepared by the present invention not only possesses good insulating property, and product hardness, tensile property and fracture indices are better; Insulating material prepared by the present invention also possesses good flame retardant properties and corrosion resistance nature, has stopped the potential safety hazard that extreme environment brings; The low raw-material cost that the present invention uses, preparation method is simple, compares and is conducive to scale operation and use.
Between each embodiment in this specification sheets identical similar part mutually see, what each embodiment stressed is the difference with other embodiments.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 the spirit of type of the present invention and principle to the present invention, and these variants and modifications also within the scope of the invention.
Claims (2)
1. for an insulating material for power system, it is characterized in that, described insulating material is prepared from by the raw material of following weight part:
Carborundum powder 1-2 part, aluminium hydroxide 1-2 part, ground dolomite 2-3 part, antimonous oxide 2-3 part, modified kaolin 3-4 part, modification infusorial earth 3-4 part, dimethylaminoethoxyethanol 5-7 part, polyglycolic acid 5-7 part, cyanacrylate 6-9 part, γ-aminopropyl triethoxysilane 6-9 part, Tetra hydro Phthalic anhydride 8-10 part, polyvinyl chloride 18-24 part, acrylic resin 25-30 part;
Described modified kaolin is prepared as follows and forms: first use 5% salt acid soak kaolin 10min, not have kaolin to be as the criterion, and centrifugal 3 minutes of 500 turns/min, collecting precipitation, after oven dry, grinding to form particle diameter is 500 object powder, to obtain final product;
Described modification infusorial earth is prepared as follows and forms: first use 5% salt acid soak diatomite 10min, not have diatomite to be as the criterion, and centrifugal 3 minutes of 500 turns/min, collecting precipitation, after oven dry, grinding to form particle diameter is 500 object powder, to obtain final product;
The particle diameter of described carborundum powder, aluminium hydroxide, ground dolomite or antimonous oxide all controls at 500 orders.
2. insulating material as claimed in claim 1, it is characterized in that, the preparation method of described insulating material comprises the following steps:
1) each raw material is taken according to weight part;
2) carborundum powder, aluminium hydroxide, ground dolomite, antimonous oxide, modified kaolin and modification infusorial earth are put in whizzer, 500 turns/min centrifugal mixer 5 minutes, obtain compound, then compound is added in reaction vessel, insulation reaction 15 minutes, temperature controls at 80 DEG C, after insulation reaction terminates, be cooled to room temperature rapidly, obtain material A for subsequent use;
3) material B is prepared: by dimethylaminoethoxyethanol, polyglycolic acid, cyanacrylate, γ-aminopropyl triethoxysilane, Tetra hydro Phthalic anhydride, polyvinyl chloride and acrylic resin, mixing and stirring, add Banbury mixer, at temperature is 90 DEG C mixing 5 minutes, obtain material B for subsequent use;
4) melting injection moulding: by step 2) gained material A and step 3) gained material B put in whizzer, 500 turns/min centrifugal mixer 10 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 at 300 DEG C.
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| CN201410366003.7A CN104130503B (en) | 2014-07-29 | 2014-07-29 | A kind of insulating material for power system and application |
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| CN201410366003.7A CN104130503B (en) | 2014-07-29 | 2014-07-29 | A kind of insulating material for power system and application |
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| CN104130503B true CN104130503B (en) | 2016-02-24 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105237905A (en) * | 2015-10-12 | 2016-01-13 | 苏州法斯特信息科技有限公司 | Insulation flame-retardant cable material and preparation method thereof |
| CN106117863A (en) * | 2015-11-01 | 2016-11-16 | 牟军 | For preparing the thermosetting plastics of electrical transformer tank |
| CN105295297A (en) * | 2015-12-08 | 2016-02-03 | 苏州鑫德杰电子有限公司 | Corrosion-resistant electronic insulating material and preparation method thereof |
| CN105778552A (en) * | 2016-05-19 | 2016-07-20 | 陆玉如 | Flexible fireproof cable outer sheath |
| CN107445520A (en) * | 2017-07-27 | 2017-12-08 | 泾县信达工贸有限公司 | A kind of electric rice cooker heated disk thermostable heat-conductive insulating materials |
| CN108461233A (en) * | 2018-04-13 | 2018-08-28 | 李秋烨 | A kind of high-strength composite insulator |
| CN109096606A (en) * | 2018-07-17 | 2018-12-28 | 铜陵市铜都特种线缆有限公司 | A kind of flame-resistant high-temperature-resistant anticorrosion cable wrapping layer and its manufacturing method |
| CN109437833A (en) * | 2018-10-10 | 2019-03-08 | 安徽科比电子科技有限公司 | One kind being used for impact resistance aluminum-housed resistor inner filling material |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0110038A2 (en) * | 1982-09-29 | 1984-06-13 | Vulkor, Incorporated | Polymer interdispersions, related compositions and method of making same |
| CN102617931A (en) * | 2012-04-01 | 2012-08-01 | 广东三凌塑料管材有限公司 | Modified polypropylene cable guide |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| EP0110038A2 (en) * | 1982-09-29 | 1984-06-13 | Vulkor, Incorporated | Polymer interdispersions, related compositions and method of making same |
| CN102617931A (en) * | 2012-04-01 | 2012-08-01 | 广东三凌塑料管材有限公司 | Modified polypropylene cable guide |
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