CN103436030A - High-performance insulator material and preparation method thereof - Google Patents
High-performance insulator material and preparation method thereof Download PDFInfo
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Abstract
The invention discloses a high-performance insulator material and a preparation method thereof. The high-performance insulator material comprises the following raw materials in mass percent: 50 to 68.8 percent of master batch, 29.95 to 49.8 percent of precipitate glue and 0.05 to 0.5 percent of aluminum stearate, wherein the master batch comprises the following raw materials in mass percent: 20 to 40 percent of methyl vinyl silicone rubber, 56.95 to 78 percent of aluminum hydroxide, 0.05 to 3 percent of methyl silicone oil, 0.05 to 1.8 percent of containing hydrogen silicone oil; the precipitate glue comprises the following raw material in mass percent: 50 to 70 percent methyl vinyl silicone rubber, 25 to 45 percent of silica white, 0.5 to 5 percent of hydroxyl silicone oil and 0.05 to 5 percent of stearic acid. The high-performance insulator material does not pollute the environment, has good physical property and is stable in withstand voltage, the voltage bearing capability can reach 50 to 110kv, the specific gravity is low, the storage time of the material is long, and the material can be stored for about 1 year.
Description
Technical field
The present invention relates to the insulator technology field, relate in particular to sub-material of a kind of High Performance Insulation and preparation method thereof.
Background technology
Insulator is used for supporting and fixedly bus and energized conductor in overhead transmission line, and make between energized conductor or conductor and the earth between enough distances and insulation are arranged, so insulator should have enough electric insulation intensity and moisture-resistance.
Along with the fast development of wires and cables industry, more and more higher to quality and the performance requriements of insulator, how to prepare a kind of free from environmental pollution, good physical performance, proof voltage is stable, light specific gravity, and the long sub-material of High Performance Insulation of shelf-time becomes technical problem urgently to be resolved hurrily at present.
Summary of the invention
The present invention proposes sub-material of a kind of High Performance Insulation and preparation method thereof, the sub-material environment friendly of described High Performance Insulation, free from environmental pollution, good physical performance, proof voltage is stable, and the voltage ability to bear can reach 50kv～110kv, light specific gravity, the shelf-time is long, and the shelf-time can reach about 1 year.
The sub-material of a kind of High Performance Insulation, its raw material comprises by mass percentage: 50～68.8% masterbatch, 29.95～49.8% precipitation glue, 0.05～0.5% aluminum stearate;
Wherein, the raw material of described masterbatch comprises by mass percentage: 20～40% methyl vinyl silicone rubbers, 56.95～78% aluminium hydroxides, 0.05～3% methyl-silicone oil, 0.05～1.8% containing hydrogen silicone oil;
The raw material of described precipitation glue comprises by mass percentage: 50～70% methyl vinyl silicone rubbers, 25～45% white carbon blacks, 0.5～5% hydroxy silicon oil, 0.05～5% stearic acid.
Preferably, its raw material comprises by mass percentage: 55～64.8% masterbatch, 35～44.8% precipitation glue, 0.08～0.42% aluminum stearate.
Preferably, the raw material of described masterbatch comprises by mass percentage: 23～33% methyl vinyl silicone rubbers, 65～75% aluminium hydroxides, 0.1～2.5% methyl-silicone oil, 0.1～1.5% containing hydrogen silicone oil.
Preferably, the raw material of described precipitation glue comprises by mass percentage: 55～65% methyl vinyl silicone rubbers, 30～40% white carbon blacks, 1.5～4% hydroxy silicon oils, 0.06～2% stearic acid.
Preferably, described methyl vinyl silicone rubber is 110 methyl vinyl silicone rubbers, and molecular weight is between 45～700,000, and the molar percentage of contents of ethylene is between 0.07～0.3.
The preparation method of the sub-material of a kind of High Performance Insulation, comprise the steps:
S1: masterbatch preparation:
Measure respectively by mass percentage methyl vinyl silicone rubber, aluminium hydroxide, methyl-silicone oil, drop into kneader, mixing and molding, melting temperature is 50～80 ℃;
Measure by mass percentage containing hydrogen silicone oil, drop into kneader, mixing and molding, mixing time is 20～40min, vacuum-treat, the treatment time is 10～30min, discharging obtains described masterbatch;
S2: precipitation glue preparation:
Measure respectively by mass percentage methyl vinyl silicone rubber, white carbon black, hydroxy silicon oil and stearic acid, wherein, measured white carbon black is divided into to three parts, and described three parts is respectively the first white carbon black of accounting for white carbon black total mass 40～60%, the second white carbon black of 20～40% and 10～30% the 3rd white carbon black;
Described methyl vinyl silicone rubber, hydroxy silicon oil, stearic acid and the first white carbon black are dropped into to kneader, mixing and molding, melting temperature is 40～60 ℃;
Described the second white carbon black is dropped into to kneader, mixing and molding, melting temperature is 60～80 ℃;
Described the 3rd white carbon black is dropped into to kneader, mixing and molding, melting temperature is 80～100 ℃;
Melting temperature rises to 140～180 ℃, and material is cooling, constant temperature, and constant temperature time is 30～50min, vacuum-treat, the treatment time is 10～30min, discharging obtains described precipitation glue;
S3: the sub-material preparation of High Performance Insulation:
Take by mass percentage masterbatch, precipitation glue and aluminum stearate, drop into kneader mixing, melting temperature is 110～130 ℃, and the vacuum discharging obtains the sub-material of described High Performance Insulation.
Preferably, in S1,
Measure respectively by mass percentage methyl vinyl silicone rubber, aluminium hydroxide, methyl-silicone oil, drop into kneader, mixing and molding, melting temperature is 60～70 ℃;
Measure by mass percentage containing hydrogen silicone oil, drop into kneader, mixing and molding, mixing time is 25～35min, vacuum-treat, the treatment time is 15～25min, discharging obtains described masterbatch;
Preferably, in S2,
Measure respectively by mass percentage methyl vinyl silicone rubber, white carbon black, hydroxy silicon oil, containing hydrogen silicone oil and stearic acid, wherein, measured white carbon black is divided into to three parts, and described three parts is respectively the first white carbon black of accounting for white carbon black total mass 45～55%, the second white carbon black of 25～35% and 15～25% the 3rd white carbon black;
Methyl vinyl silicone rubber, hydroxy silicon oil, stearic acid and the first white carbon black are dropped into to kneader, mixing and molding, melting temperature is 45～55 ℃;
The second white carbon black is dropped into to kneader, mixing and molding, melting temperature is 65～75 ℃;
The 3rd white carbon black is dropped into to kneader, mixing and molding, melting temperature is 85～95 ℃;
Melting temperature is risen to 150～170 ℃, material is cooling, constant temperature, constant temperature time is 35～45min, vacuum-treat, the treatment time is 15～25min, discharging obtains described precipitation glue.
Preferably, in S3, take by mass percentage masterbatch, precipitation glue and aluminum stearate, drop into kneader mixing, melting temperature is 117～123 ℃, and the vacuum discharging obtains the sub-material of described High Performance Insulation.
In the present invention, by controlling the sub-material prescription of High Performance Insulation and content thereof, take methyl vinyl silicone rubber as major ingredient, aluminium hydroxide and white carbon black are as stopping composition, methyl-silicone oil, containing hydrogen silicone oil, hydroxy silicon oil and aluminum stearate are as auxiliary agent, the preparation of the sub-material of High Performance Insulation divides three steps to carry out, carry out respectively masterbatch, the preparation of precipitation glue and the sub-material of High Performance Insulation, the insulator material environment friendly obtained, free from environmental pollution, good physical performance, proof voltage is stable, the voltage ability to bear can reach 50kv～110kv, light specific gravity, shelf-time is long, shelf-time can reach about 1 year.
Embodiment
Sub-material of a kind of High Performance Insulation that the present invention proposes and preparation method thereof.
The sub-material of a kind of High Performance Insulation, its raw material comprises by mass percentage: 50～68.8% masterbatch, 29.95～49.8% precipitation glue, 0.05～0.5% aluminum stearate; Wherein, the raw material of described masterbatch comprises by mass percentage: 20～40% methyl vinyl silicone rubbers, 56.95～78% aluminium hydroxides, 0.05～3% methyl-silicone oil, 0.05～1.8% containing hydrogen silicone oil; The raw material of described precipitation glue comprises by mass percentage: 50～70% methyl vinyl silicone rubbers, 25～45% white carbon blacks, 0.5～5% hydroxy silicon oil, 0.05～5% stearic acid.
Embodiment 1
The sub-material of a kind of High Performance Insulation, its raw material comprises by mass percentage: 50% masterbatch, 49.5% precipitation glue, 0.5% aluminum stearate; Wherein, the raw material of described masterbatch comprises by mass percentage: 20%110 methyl vinyl silicone rubbers, 78% aluminium hydroxide, 0.2% methyl-silicone oil, 1.8% containing hydrogen silicone oil; The raw material of described precipitation glue comprises by mass percentage: 70%110 methyl vinyl silicone rubbers, 25% white carbon black, 4.95% hydroxy silicon oil, 0.05% stearic acid.
Wherein, the molecular weight of 110 methyl vinyl silicone rubbers is between 45～700,000, and the molar percentage of contents of ethylene is between 0.07～0.3.
Embodiment 2
The sub-material of a kind of High Performance Insulation, its raw material comprises by mass percentage: 68.8% masterbatch, 31.15% precipitation glue, 0.05% aluminum stearate; Wherein, the raw material of described masterbatch comprises by mass percentage: 40%110 methyl vinyl silicone rubbers, 56.95% aluminium hydroxide, 3% methyl-silicone oil, 0.05% containing hydrogen silicone oil; The raw material of described precipitation glue comprises by mass percentage: 50%110 methyl vinyl silicone rubbers, 44.5% white carbon black, 0.5% hydroxy silicon oil, 5% stearic acid.
Wherein, the molecular weight of 110 methyl vinyl silicone rubbers is between 45～700,000, and the molar percentage of contents of ethylene is between 0.07～0.3.
Embodiment 3
The sub-material of a kind of High Performance Insulation, its raw material comprises by mass percentage: 59.92% masterbatch, 39.95% precipitation glue, 0.13% aluminum stearate; Wherein, the raw material of described masterbatch comprises by mass percentage: 30.72%110 methyl vinyl silicone rubbers, 69.12% aluminium hydroxide, 0.15% methyl-silicone oil, 0.15% containing hydrogen silicone oil; The raw material of described precipitation glue comprises by mass percentage: 61.53%110 methyl vinyl silicone rubbers, 36.19% white carbon black, 2.17% hydroxy silicon oil, 0.11% stearic acid.
Wherein, the molecular weight of 110 methyl vinyl silicone rubbers is between 45～700,000, and the molar percentage of contents of ethylene is between 0.07～0.3.
Embodiment 4
The sub-material of a kind of High Performance Insulation, its raw material comprises by mass percentage: 59.92% masterbatch, 39.95% precipitation glue, 0.13% aluminum stearate; Wherein, the raw material of described masterbatch comprises by mass percentage: 29.95%110 methyl vinyl silicone rubbers, 67.37% aluminium hydroxide, 1.79% methyl-silicone oil, 0.89% containing hydrogen silicone oil; The raw material of described precipitation glue comprises by mass percentage: 60.61%110 methyl vinyl silicone rubbers, 35.65% white carbon black, 3.57% hydroxy silicon oil, 0.17% stearic acid.
Wherein, the molecular weight of 110 methyl vinyl silicone rubbers is between 45～700,000, and the molar percentage of contents of ethylene is between 0.07～0.3.
A kind of preparation method according to the sub-material of the described High Performance Insulation of 1～4 arbitrary embodiment, comprise the steps:
S1: masterbatch preparation:
Measure respectively by mass percentage methyl vinyl silicone rubber, aluminium hydroxide, methyl-silicone oil, drop into kneader, mixing and molding, melting temperature is 50～80 ℃, preferably 60～70 ℃, for example 60 ℃, 65 ℃, 68 ℃, 70 ℃;
Measure by mass percentage containing hydrogen silicone oil, drop into kneader, mixing and molding, mixing time is 20～40min, preferred 25～35min, for example 25min, 27min, 30min, 33min, 35min, vacuum-treat, the treatment time is 10～30min, preferred 15～25min, for example 15min, 17min, 20min, 22min, 25min, discharging, obtain described masterbatch;
S2: precipitation glue preparation:
Measure respectively by mass percentage methyl vinyl silicone rubber, white carbon black, hydroxy silicon oil and stearic acid, wherein, measured white carbon black is divided into to three parts, described three parts is respectively the first white carbon black that accounts for white carbon black total mass 40～60%, the second white carbon black of 20～40% and 10～30% the 3rd white carbon black, preferred the first white carbon black of 45～55%, the second white carbon black of 25～35% and 15～25% the 3rd white carbon black, for example the first white carbon black is 45%, 47%, 50%, 53%, 55%, the second white carbon black is 25%, 28%, 31%, 34%, 35%, the 3rd white carbon black is 15%, 16%, 19%, 23%, 25%,
Described methyl vinyl silicone rubber, hydroxy silicon oil, stearic acid and the first white carbon black are dropped into to kneader, mixing and molding, melting temperature is 40～60 ℃, preferably 45～55 ℃, for example 45 ℃, 46 ℃, 48 ℃, 51 ℃, 55 ℃;
Described the second white carbon black is dropped into to kneader, mixing and molding, melting temperature is 60～80 ℃, preferably 65～75 ℃, for example 65 ℃, 65 ℃, 65 ℃, 65 ℃, 65 ℃;
Described the 3rd white carbon black is dropped into to kneader, mixing and molding, melting temperature is 80～100 ℃, preferably 85～95 ℃, for example 85 ℃, 87 ℃, 90 ℃, 92 ℃, 95 ℃;
Melting temperature rises to 140～180 ℃, and preferably 150～170 ℃, for example 150 ℃, 154 ℃, 158 ℃, 163 ℃, 167 ℃, 170 ℃, material is cooling, constant temperature, constant temperature time is 30～50min, 15～25min for example, for example 15min, 17min, 20min, 22min, 25min, vacuum-treat, the treatment time is 10～30min, preferred 15～25min, for example 15min, 17min, 20min, 23min, 25min,, discharging, obtain described precipitation glue;
S3: the sub-material preparation of High Performance Insulation:
Take by mass percentage masterbatch, precipitation glue and aluminum stearate, drop into kneader mixing, melting temperature is 110～130 ℃, and preferably 117～123 ℃, for example 117 ℃, 120 ℃, 123 ℃, the vacuum discharging, obtain the sub-material of described High Performance Insulation.
The sub-material environment friendly of the above High Performance Insulation, free from environmental pollution, good physical performance, proof voltage is stable, and the voltage ability to bear can reach 50kv～110kv, light specific gravity, the shelf-time is long, and the shelf-time can reach about 1 year.
The above; it is only preferably embodiment of the present invention; but protection scope of the present invention is not limited to this; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to replacement or changed according to technical scheme of the present invention and inventive concept thereof, within all should being encompassed in protection scope of the present invention.
Claims (9)
1. the sub-material of High Performance Insulation, is characterized in that, its raw material comprises by mass percentage: 50～68.8% masterbatch, 29.95～49.8% precipitation glue, 0.05～0.5% aluminum stearate;
Wherein, the raw material of described masterbatch comprises by mass percentage: 20～40% methyl vinyl silicone rubbers, 56.95～78% aluminium hydroxides, 0.05～3% methyl-silicone oil, 0.05～1.8% containing hydrogen silicone oil;
The raw material of described precipitation glue comprises by mass percentage: 50～70% methyl vinyl silicone rubbers, 25～45% white carbon blacks, 0.5～5% hydroxy silicon oil, 0.05～5% stearic acid.
2. the sub-material of High Performance Insulation according to claim 1, is characterized in that, its raw material comprises by mass percentage: 55～64.8% masterbatch, 35～44.8% precipitation glue, 0.08～0.42% aluminum stearate.
3. the sub-material of High Performance Insulation according to claim 1, is characterized in that, the raw material of described masterbatch comprises by mass percentage: 23～33% methyl vinyl silicone rubbers, 65～75% aluminium hydroxides, 0.1～2.5% methyl-silicone oil, 0.1～1.5% containing hydrogen silicone oil.
4. the sub-material of High Performance Insulation according to claim 1, is characterized in that, the raw material of described precipitation glue comprises by mass percentage: 55～65% methyl vinyl silicone rubbers, 30～40% white carbon blacks, 1.5～4% hydroxy silicon oils, 0.06～2% stearic acid.
5. the sub-material of High Performance Insulation according to claim 1, is characterized in that, described methyl vinyl silicone rubber is 110 methyl vinyl silicone rubbers, and molecular weight is between 45～700,000, and the molar percentage of contents of ethylene is between 0.07～0.3.
6. the preparation method according to the sub-material of the described High Performance Insulation of claim 1～5 any one, is characterized in that, comprises the steps:
S1: masterbatch preparation:
Measure respectively by mass percentage methyl vinyl silicone rubber, aluminium hydroxide, methyl-silicone oil, drop into kneader, mixing and molding, melting temperature is 50～80 ℃;
Measure by mass percentage containing hydrogen silicone oil, drop into kneader, mixing and molding, mixing time is 20～40min, vacuum-treat, the treatment time is 10～30min, discharging obtains described masterbatch;
S2: precipitation glue preparation:
Measure respectively by mass percentage methyl vinyl silicone rubber, white carbon black, hydroxy silicon oil and stearic acid, wherein, measured white carbon black is divided into to three parts, and described three parts is respectively the first white carbon black of accounting for white carbon black total mass 40～60%, the second white carbon black of 20～40% and 10～30% the 3rd white carbon black;
Described methyl vinyl silicone rubber, hydroxy silicon oil, stearic acid and the first white carbon black are dropped into to kneader, mixing and molding, melting temperature is 40～60 ℃;
Described the second white carbon black is dropped into to kneader, mixing and molding, melting temperature is 60～80 ℃;
Described the 3rd white carbon black is dropped into to kneader, mixing and molding, melting temperature is 80～100 ℃;
Melting temperature rises to 140～180 ℃, and material is cooling, constant temperature, and constant temperature time is 30～50min, vacuum-treat, the treatment time is 10～30min, discharging obtains described precipitation glue;
S3: the sub-material preparation of High Performance Insulation:
Take by mass percentage masterbatch, precipitation glue and aluminum stearate, drop into kneader mixing, melting temperature is 110～130 ℃, and the vacuum discharging obtains the sub-material of described High Performance Insulation.
7. the preparation method of the sub-material of High Performance Insulation according to claim 6, is characterized in that, in S1,
Measure respectively by mass percentage methyl vinyl silicone rubber, aluminium hydroxide, methyl-silicone oil, drop into kneader, mixing and molding, melting temperature is 60～70 ℃;
Measure by mass percentage containing hydrogen silicone oil, drop into kneader, mixing and molding, mixing time is 25～35min, vacuum-treat, the treatment time is 15～25min, discharging obtains described masterbatch.
8. the preparation method of the sub-material of High Performance Insulation according to claim 6, is characterized in that, in S2,
Measure respectively by mass percentage methyl vinyl silicone rubber, white carbon black, hydroxy silicon oil, containing hydrogen silicone oil and stearic acid, wherein, measured white carbon black is divided into to three parts, and described three parts is respectively the first white carbon black of accounting for white carbon black total mass 45～55%, the second white carbon black of 25～35% and 15～25% the 3rd white carbon black;
Methyl vinyl silicone rubber, hydroxy silicon oil, stearic acid and the first white carbon black are dropped into to kneader, mixing and molding, melting temperature is 45～55 ℃;
The second white carbon black is dropped into to kneader, mixing and molding, melting temperature is 65～75 ℃;
The 3rd white carbon black is dropped into to kneader, mixing and molding, melting temperature is 85～95 ℃;
Melting temperature is risen to 150～170 ℃, material is cooling, constant temperature, constant temperature time is 35～45min, vacuum-treat, the treatment time is 15～25min, discharging obtains described precipitation glue.
9. the preparation method of the sub-material of High Performance Insulation according to claim 6, is characterized in that, in S3, take by mass percentage masterbatch, precipitation glue and aluminum stearate, drop into kneader mixing, melting temperature is 117～123 ℃, the vacuum discharging, obtain the sub-material of described High Performance Insulation.
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| CN104017371A (en) * | 2014-05-06 | 2014-09-03 | 天长市荣盛有机硅科技有限公司 | High-performance organic silicon rubber material |
| CN104312162A (en) * | 2014-09-19 | 2015-01-28 | 天长市荣盛有机硅科技有限公司 | High strength silicon rubber material and preparation method thereof |
| CN107141664A (en) * | 2017-07-04 | 2017-09-08 | 合肥择浚电气设备有限公司 | A kind of Novel combined insulator material and preparation method thereof |
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Application publication date: 20131211 |