CN108395673A - A kind of preparation method of insulating materials for power equipment - Google Patents

A kind of preparation method of insulating materials for power equipment Download PDF

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CN108395673A
CN108395673A CN201810207475.6A CN201810207475A CN108395673A CN 108395673 A CN108395673 A CN 108395673A CN 201810207475 A CN201810207475 A CN 201810207475A CN 108395673 A CN108395673 A CN 108395673A
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mixture
insulating materials
preparation
power equipment
cellulose
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程劲松
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Hefei Still Strong Electric Technology Co Ltd
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Hefei Still Strong Electric Technology Co Ltd
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    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L63/00—Compositions of epoxy resins; Compositions of derivatives of epoxy resins
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L1/00—Compositions of cellulose, modified cellulose or cellulose derivatives
    • C08L1/08—Cellulose derivatives
    • C08L1/26—Cellulose ethers
    • C08L1/28—Alkyl ethers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L1/00—Compositions of cellulose, modified cellulose or cellulose derivatives
    • C08L1/08—Cellulose derivatives
    • C08L1/26—Cellulose ethers
    • C08L1/28—Alkyl ethers
    • C08L1/284—Alkyl ethers with hydroxylated hydrocarbon radicals
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    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L1/00—Compositions of cellulose, modified cellulose or cellulose derivatives
    • C08L1/08—Cellulose derivatives
    • C08L1/26—Cellulose ethers
    • C08L1/28—Alkyl ethers
    • C08L1/286—Alkyl ethers substituted with acid radicals, e.g. carboxymethyl cellulose [CMC]
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L27/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers
    • C08L27/02—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L27/12—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
    • C08L27/18—Homopolymers or copolymers or tetrafluoroethene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L91/00—Compositions of oils, fats or waxes; Compositions of derivatives thereof
    • C08L91/06—Waxes
    • 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
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K2003/2217—Oxides; Hydroxides of metals of magnesium
    • C08K2003/222—Magnesia, i.e. magnesium oxide
    • 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
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K2003/2227—Oxides; Hydroxides of metals of aluminium
    • 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
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K2003/2296—Oxides; Hydroxides of metals of zinc
    • 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
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/24—Acids; Salts thereof
    • C08K3/26—Carbonates; Bicarbonates
    • C08K2003/265—Calcium, strontium or barium carbonate
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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    • C08K2201/011—Nanostructured additives
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    • 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
    • C08L2201/00—Properties
    • C08L2201/08—Stabilised against heat, light or radiation or oxydation
    • 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
    • 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
    • C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend

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  • Chemical Kinetics & Catalysis (AREA)
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  • Polymers & Plastics (AREA)
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  • Processes Of Treating Macromolecular Substances (AREA)
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Abstract

The present invention provides a kind of preparation method of the insulating materials for power equipment, includes the following steps：A, magnesia, silica and cellulose are mixed, ball milling obtains mixture one；B, by epoxy resin, paraffin, polytetrafluoroethylene (PTFE) and silane coupling agent mixing mixing, plasticizer, inorganic thickening agent and deionized water is added, is stirred to react, obtain mixture two；C, mixture one is added in mixture two, adds nano zine oxide, nano-calcium carbonate and dispersant, heating reaction obtains mixture three；D, dibenzoyl peroxide, nano-aluminium oxide and anion surfactant stirring are added into mixture three, then imports in double screw extruder, extrusion molding is cooled to room temperature.Insulating materials produced by the present invention has the effect of anticorrosive, humidity, high temperature resistant, fire-retardant, and has good mechanical performance and electric property, is suitable for various power equipments.

Description

A kind of preparation method of insulating materials for power equipment
Technical field
The invention belongs to insulating materials technical fields, and in particular to a kind of preparation side of insulating materials for power equipment Method.
Background technology
In recent years, China's electric utility is quickly grown, and network system working voltage grade is continuously improved, and network size is gradually Expansion, superelevation or UHV transmission network are the skeleton and core for the intelligent grid that national grid is being made with all strength, are built special High-voltage transmission network can significantly promote the conveying capacity of China's power grid, reduce long range power Transmission and be lost, but higher Voltage class and direct current transportation significant challenge is proposed to the security reliability for being widely used in the insulating materials of electrical equipment, High Performance Insulation material is to constitute high pressure, extra-high voltage electric transmission and transformation equipment and the technological core at network and key, electric property Height has been directly related to the voltage class and safety of entire power transmission network with stablizing, and therefore, develops High Performance Insulation material, right Building security is reliably, the defeated change network of DC ultra-high-voltage of stability and high efficiency, the transmission of electricity of promotion China is horizontal and saves resource with important Meaning, existing power cable insulating materials is anticorrosive, high heat resistance energy force difference, influences the service life of power cable.
In summary, it is therefore desirable to a kind of better insulating materials, to improve the deficiencies in the prior art, to push electric power The development of industry.
Invention content
The object of the present invention is to provide a kind of preparation method of the insulating materials for power equipment, making works of the invention Skill is simple, manufacturing process is environment friendly and pollution-free, and insulating materials obtained has the effect of anticorrosive, humidity, high temperature resistant, fire-retardant, And there is good mechanical performance and electric property, it is suitable for various power equipments.
The present invention provides the following technical solutions：
A kind of preparation method of insulating materials for power equipment, includes the following steps：
A, magnesia, silica and cellulose are mixed, is imported in ball mill, be milled to 300-500 mesh sieve, and mixed Object one；
B, epoxy resin, paraffin, polytetrafluoroethylene (PTFE) and silane coupling agent are mixed and imports mixing 2-4h in mixer, smelting temperature It is 350-420 DEG C, adds plasticizer, inorganic thickening agent and deionized water, be cooled to 80-100 DEG C, 120-140r/min's It is stirred to react 25-30min under rotating speed, obtains mixture two；
C, mixture one is added in mixture two, nano zine oxide, nano-calcium carbonate and dispersant is added, in 160- Heating reaction 1-2h, obtains mixture three at 180 DEG C；
D, dibenzoyl peroxide, nano-aluminium oxide and anion surfactant are added into mixture three, in 1200- 30-40min is stirred under the rotating speed of 2000r/min, then is imported in double screw extruder, the melting extrusion molding at 260-350 DEG C, It is cooled to room temperature.
Preferably, the magnesia of the step a is pure zirconia magnesium or electrically molten magnesia.
Preferably, the cellulose of the step a is methylcellulose, ethyl cellulose, hydroxyethyl cellulose, hydroxypropyl fibre Tie up the mixing of element, hydroxypropyl methyl cellulose, carboxymethyl cellulose and polyanion cellulose any one or more of.
Preferably, the polytetrafluoroethylene (PTFE) of the step b uses Ultrasonic Pulverization to 4-6 microns.
Preferably, the plasticizer of the step b is the mixture of dioctyl phthalate and dioctyl adipate.
Preferably, the inorganic thickening agent of the step b is carbon black, sodium bentonite, organobentonite, diatomite and bumps The mixing of stick stone soil any one or more of.
Preferably, the dispersant of the step c is polyethoxy alkylphenol, polyethoxy fatty alcohol, polyethoxy fat The mixing of amine and fatty alcohol polyglycol ether sulfate any one or more of.
Preferably, the anion surfactant of the step d is carboxylate, sulfonate, rosinate and sulfuric acid The mixing of any one or more of.
The beneficial effects of the invention are as follows：
The present invention manufacture craft is simple, manufacturing process is environment friendly and pollution-free, insulating materials obtained have anticorrosive, humidity, High temperature resistant, fire-retardant effect, and there is good mechanical performance and electric property, it is suitable for various power equipments.
Magnesia in the present invention have hydration-resisting ability is strong, purity is high, crystal grain is big, compact structure, resistance to slag by force Characteristic, and good thermal shock stability so that the mechanical performance of the insulating materials of preparation enhances.
Inorganic thickening agent in the present invention has filled up magnesia because density is big, insulation resistance caused by hygroscopic two is low, stream The problem of dynamic property difference so that the resistance height of the insulating materials of preparation, high temperature resistant can also reduce material cost.
The present invention adds a certain amount of plasticizer, can improve the elasticity and toughness of insulating materials, anti-breakdown ability is strong.
Specific implementation mode
Embodiment 1
A kind of preparation method of insulating materials for power equipment, includes the following steps：
A, magnesia, silica and cellulose are mixed, is imported in ball mill, be milled to 300 mesh sieve, and obtained mixture One；
B, epoxy resin, paraffin, polytetrafluoroethylene (PTFE) and silane coupling agent are mixed and imports mixing 4h in mixer, smelting temperature is 420 DEG C, plasticizer, inorganic thickening agent and deionized water are added, is cooled to 80 DEG C, is stirred to react under the rotating speed of 140r/min 25min obtains mixture two；
C, mixture one is added in mixture two, adds nano zine oxide, nano-calcium carbonate and dispersant, at 180 DEG C 1h is reacted in lower heating, obtains mixture three；
D, dibenzoyl peroxide, nano-aluminium oxide and anion surfactant are added into mixture three, 40min is stirred under the rotating speed of 2000r/min, then is imported in double screw extruder, and melting extrusion molding, is cooled at 260 DEG C .
The magnesia of step a is pure zirconia magnesium.
The cellulose of step a is methylcellulose, ethyl cellulose, hydroxyethyl cellulose, hydroxypropyl cellulose, hydroxypropyl The mixing of methylcellulose, carboxymethyl cellulose and polyanion cellulose.
The polytetrafluoroethylene (PTFE) of step b is using Ultrasonic Pulverization to 6 microns.
The plasticizer of step b is the mixture of dioctyl phthalate and dioctyl adipate.
The inorganic thickening agent of step b is the mixed of carbon black, sodium bentonite, organobentonite, diatomite and attapulgite soil It closes.
The dispersant of step c is polyethoxy alkylphenol, polyethoxy fatty alcohol, polyethoxy fatty amine and poly alkyl alcohol The mixing of glycol ether sulfate.
The anion surfactant of step d is the mixing of carboxylate, sulfonate, rosinate and sulfuric acid.
Embodiment 2
A kind of preparation method of insulating materials for power equipment, includes the following steps：
A, magnesia, silica and cellulose are mixed, is imported in ball mill, be milled to 300 mesh sieve, and obtained mixture One；
B, epoxy resin, paraffin, polytetrafluoroethylene (PTFE) and silane coupling agent are mixed and imports mixing 2h in mixer, smelting temperature is 350 DEG C, plasticizer, inorganic thickening agent and deionized water are added, is cooled to 80 DEG C, is stirred to react under the rotating speed of 120r/min 25min obtains mixture two；
C, mixture one is added in mixture two, adds nano zine oxide, nano-calcium carbonate and dispersant, at 160 DEG C 1h is reacted in lower heating, obtains mixture three；
D, dibenzoyl peroxide, nano-aluminium oxide and anion surfactant are added into mixture three, 30min is stirred under the rotating speed of 1200r/min, then is imported in double screw extruder, and melting extrusion molding, is cooled at 260 DEG C .
The magnesia of step a is electrically molten magnesia.
The cellulose of step a is methylcellulose, ethyl cellulose, hydroxyethyl cellulose, hydroxypropyl cellulose, hydroxypropyl The mixing of methylcellulose, carboxymethyl cellulose and polyanion cellulose.
The polytetrafluoroethylene (PTFE) of step b is using Ultrasonic Pulverization to 4 microns.
The plasticizer of step b is the mixture of dioctyl phthalate and dioctyl adipate.
The inorganic thickening agent of step b is the mixed of carbon black, sodium bentonite, organobentonite, diatomite and attapulgite soil It closes.
The dispersant of step c is polyethoxy alkylphenol, polyethoxy fatty alcohol, polyethoxy fatty amine and poly alkyl alcohol The mixing of glycol ether sulfate.
The anion surfactant of step d is the mixing of carboxylate, sulfonate, rosinate and sulfuric acid.
Embodiment 3
A kind of preparation method of insulating materials for power equipment, includes the following steps：
A, magnesia, silica and cellulose are mixed, is imported in ball mill, be milled to 500 mesh sieve, and obtained mixture One；
B, epoxy resin, paraffin, polytetrafluoroethylene (PTFE) and silane coupling agent are mixed and imports mixing 4h in mixer, smelting temperature is 420 DEG C, plasticizer, inorganic thickening agent and deionized water are added, is cooled to 100 DEG C, is stirred under the rotating speed of 140r/min anti- 30min is answered, mixture two is obtained；
C, mixture one is added in mixture two, adds nano zine oxide, nano-calcium carbonate and dispersant, at 180 DEG C 2h is reacted in lower heating, obtains mixture three；
D, dibenzoyl peroxide, nano-aluminium oxide and anion surfactant are added into mixture three, 30min is stirred under the rotating speed of 1200r/min, then is imported in double screw extruder, and melting extrusion molding, is cooled at 350 DEG C .
The magnesia of step a is pure zirconia magnesium.
The cellulose of step a is methylcellulose, ethyl cellulose, hydroxyethyl cellulose, hydroxypropyl cellulose, hydroxypropyl The mixing of methylcellulose, carboxymethyl cellulose and polyanion cellulose.
The polytetrafluoroethylene (PTFE) of step b is using Ultrasonic Pulverization to 6 microns.
The plasticizer of step b is the mixture of dioctyl phthalate and dioctyl adipate.
The inorganic thickening agent of step b is the mixed of carbon black, sodium bentonite, organobentonite, diatomite and attapulgite soil It closes.
The dispersant of step c is polyethoxy alkylphenol, polyethoxy fatty alcohol, polyethoxy fatty amine and poly alkyl alcohol The mixing of glycol ether sulfate.
The anion surfactant of step d is the mixing of carboxylate, sulfonate, rosinate and sulfuric acid.
Finished product prepared by above example is detected, following experimental data is obtained：
Table one：
Project Tensile strength（MPa） Temperature tolerance（℃）
Embodiment 1 55 155
Embodiment 2 57 158
Embodiment 3 58 153
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, although with reference to the foregoing embodiments Invention is explained in detail, for those skilled in the art, still can be to foregoing embodiments institute The technical solution of record is modified or equivalent replacement of some of the technical features.It is all the present invention spirit and Within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention.

Claims (8)

1. a kind of preparation method of insulating materials for power equipment, which is characterized in that include the following steps：
A, magnesia, silica and cellulose are mixed, is imported in ball mill, be milled to 300-500 mesh sieve, and mixed Object one；
B, epoxy resin, paraffin, polytetrafluoroethylene (PTFE) and silane coupling agent are mixed and imports mixing 2-4h in mixer, smelting temperature It is 350-420 DEG C, adds plasticizer, inorganic thickening agent and deionized water, be cooled to 80-100 DEG C, 120-140r/min's It is stirred to react 25-30min under rotating speed, obtains mixture two；
C, mixture one is added in mixture two, nano zine oxide, nano-calcium carbonate and dispersant is added, in 160- Heating reaction 1-2h, obtains mixture three at 180 DEG C；
D, dibenzoyl peroxide, nano-aluminium oxide and anion surfactant are added into mixture three, in 1200- 30-40min is stirred under the rotating speed of 2000r/min, then is imported in double screw extruder, the melting extrusion molding at 260-350 DEG C, It is cooled to room temperature.
2. a kind of preparation method of insulating materials for power equipment according to claim 1, which is characterized in that described The magnesia of step a is pure zirconia magnesium or electrically molten magnesia.
3. a kind of preparation method of insulating materials for power equipment according to claim 1, which is characterized in that described The cellulose of step a is methylcellulose, ethyl cellulose, hydroxyethyl cellulose, hydroxypropyl cellulose, hydroxypropyl methyl fiber The mixing of element, carboxymethyl cellulose and polyanion cellulose any one or more of.
4. a kind of preparation method of insulating materials for power equipment according to claim 1, which is characterized in that described The polytetrafluoroethylene (PTFE) of step b is using Ultrasonic Pulverization to 4-6 microns.
5. a kind of preparation method of insulating materials for power equipment according to claim 1, which is characterized in that described The plasticizer of step b is the mixture of dioctyl phthalate and dioctyl adipate.
6. a kind of preparation method of insulating materials for power equipment according to claim 1, which is characterized in that described The inorganic thickening agent of step b be any one of carbon black, sodium bentonite, organobentonite, diatomite and attapulgite soil or A variety of mixing.
7. a kind of preparation method of insulating materials for power equipment according to claim 1, which is characterized in that described The dispersant of step c is polyethoxy alkylphenol, polyethoxy fatty alcohol, polyethoxy fatty amine and fatty alcohol polyglycol ether The mixing of sulfate any one or more of.
8. a kind of preparation method of insulating materials for power equipment according to claim 1, which is characterized in that described The anion surfactant of step d is the mixed of carboxylate, sulfonate, rosinate and sulfuric acid any one or more of It closes.
CN201810207475.6A 2018-03-14 2018-03-14 A kind of preparation method of insulating materials for power equipment Withdrawn CN108395673A (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105331047A (en) * 2015-11-17 2016-02-17 国网河南省电力公司周口供电公司 Extra-high-voltage heat-resistant insulating material and preparation method thereof
CN105885355A (en) * 2016-06-20 2016-08-24 河南省亚安绝缘材料厂有限公司 High-heat-resistance insulating composite and preparation method thereof
CN106905618A (en) * 2017-03-01 2017-06-30 苏州轩朗塑料制品有限公司 A kind of preparation method and applications of anti-flammability environment-friendlyinsulation insulation material
CN107337837A (en) * 2017-07-18 2017-11-10 合肥峰腾节能科技有限公司 A kind of high flame retardant insulating materials and preparation method thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105331047A (en) * 2015-11-17 2016-02-17 国网河南省电力公司周口供电公司 Extra-high-voltage heat-resistant insulating material and preparation method thereof
CN105885355A (en) * 2016-06-20 2016-08-24 河南省亚安绝缘材料厂有限公司 High-heat-resistance insulating composite and preparation method thereof
CN106905618A (en) * 2017-03-01 2017-06-30 苏州轩朗塑料制品有限公司 A kind of preparation method and applications of anti-flammability environment-friendlyinsulation insulation material
CN107337837A (en) * 2017-07-18 2017-11-10 合肥峰腾节能科技有限公司 A kind of high flame retardant insulating materials and preparation method thereof

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
《电气电子绝缘技术手册》编辑委员会: "《电气电子绝缘技术手册》", 31 January 2008, 机械工业出版社 *

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