CN103436034A - Novel insulator material and preparation method thereof - Google Patents
Novel insulator material and preparation method thereof Download PDFInfo
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- CN103436034A CN103436034A CN2013103523995A CN201310352399A CN103436034A CN 103436034 A CN103436034 A CN 103436034A CN 2013103523995 A CN2013103523995 A CN 2013103523995A CN 201310352399 A CN201310352399 A CN 201310352399A CN 103436034 A CN103436034 A CN 103436034A
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Abstract
The invention discloses a novel insulator material and a preparation method thereof. The novel insulator material comprises the following raw materials by mass percent: 44-65.8 percent of master batch, 34-55.8 percent of precipitation adhesive and 0.06-0.6 percent of aluminum stearate, wherein the master batch comprises the following raw materials by mass percent: 25-35 percent of methyl vinyl silicone rubber, 13-25 percent of silica micropowder, 45-55 percent of aluminum hydroxide, 0.05-3 percent of methyl silicone oil and 0.05-1.8 percent of hydrogen silicone oil; the precipitation adhesive comprises the following raw materials by mass percent: 50-70 percent of methyl vinyl silicone rubber, 20-45 percent of white carbon black, 1-5 percent of hydroxyl silicone oil and 0.05-5 percent of stearic acid. The insulator material disclosed by the invention has the advantages that the effects of environmental protection and no environment pollution are realized, the physical performance is excellent, the effect of voltage resisting stability is achieved, the voltage bearing capacity can reach 35kv-50kv, the specific gravity is light, and the deposited time is long and can reach about one year.
Description
Technical field
The present invention relates to the insulator technology field, relate in particular to a kind of novel insulator material and preparation method thereof.
Background technology
Insulator is a kind of special insulation control, in overhead transmission line, plays an important role, and between one's early years, insulator is multiplex in electric pole, slowly develops in high type high-tension bus-bar and connects tower, to increase creepage distance.Insulator should be because environment and the electric load condition various dynamo-electric stress caused that changes lost efficacy, otherwise insulator just can not produce great effect, will damage use and the operation life of whole piece circuit.
Insulator plays two basic roles in overhead transmission line, i.e. support wire and prevent that electric current from going back to ground, and these two effects must be guaranteed.
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 long insulator material of shelf-time becomes technical problem urgently to be resolved hurrily at present.
Summary of the invention
The present invention proposes a kind of novel insulator material and preparation method thereof, described insulator material environment friendly, free from environmental pollution, good physical performance, proof voltage is stable, and the voltage ability to bear can reach 35kv～50kv, light specific gravity, the shelf-time is long, and the shelf-time can reach about 1 year.
A kind of novel insulator material, its raw material comprises by mass percentage: 44～65.8% masterbatch, 34～55.8% precipitation glue, 0.06～0.6% aluminum stearate;
Wherein, the raw material of described masterbatch comprises by mass percentage: 25～35% methyl vinyl silicone rubbers, 13～25% silicon powders, 45～55% 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, 20～45% white carbon blacks, 1～5% hydroxy silicon oil, 0.05～5% stearic acid.
Preferably, its raw material comprises by mass percentage: 50～59.8% masterbatch, 40～49.8% precipitation glue, 0.08～0.24% aluminum stearate.
Preferably, the raw material of described masterbatch comprises by mass percentage: 28～33% methyl vinyl silicone rubbers, 15～20% silicon powders, 47～53% aluminium hydroxides, 0.1～2.4% methyl-silicone oil, 0.1～1.4% 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, 0.06～3% 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.
A kind of preparation method of novel insulator material, comprise the steps:
S1: masterbatch preparation:
At first, 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 ℃;
Secondly, measure by mass percentage silicon powder, drop into kneader, mixing and molding, melting temperature is 80～100 ℃;
Finally, 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;
At first, 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 ℃;
Secondly, the second white carbon black is dropped into to kneader, mixing and molding, melting temperature is 60～80 ℃;
Again, the 3rd white carbon black is dropped into to kneader, mixing and molding, melting temperature is 80～100 ℃;
Finally, melting temperature is risen to 140～180 ℃, material is cooling, constant temperature, constant temperature time is 30～50min, vacuum-treat, the treatment time is 10～30min, discharging obtains described precipitation glue;
S3: novel insulator material preparation:
Take by mass percentage masterbatch, precipitation glue and aluminum stearate, drop into kneader mixing, melting temperature is 110～130 ℃, and the vacuum discharging obtains described novel insulator material.
Preferably, in S1,
At first, measure respectively by mass percentage methyl vinyl silicone rubber, aluminium hydroxide, methyl-silicone oil, drop into kneader, mixing and molding, melting temperature is 40～70 ℃;
Secondly, measure by mass percentage silicon powder, drop into kneader, mixing and molding, melting temperature is 70～90 ℃;
Finally, 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 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;
At first, 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 ℃;
Secondly, the second white carbon black is dropped into to kneader, mixing and molding, melting temperature is 65～75 ℃;
Again, the 3rd white carbon black is dropped into to kneader, mixing and molding, melting temperature is 85～95 ℃;
Finally, 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 described insulator material.
In the present invention, by controlling insulator material prescription and content thereof, take methyl vinyl silicone rubber as major ingredient, SILICA FUME, 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 insulator material divides three steps to carry out, carry out respectively masterbatch, the preparation of precipitation glue and novel insulator material, the novel insulator material environment friendly obtained, free from environmental pollution, good physical performance, proof voltage is stable, the voltage ability to bear can reach 35kv～50kv, light specific gravity, shelf-time is long, shelf-time can reach about 1 year.
Embodiment
A kind of novel insulator material that the present invention proposes and preparation method thereof.
A kind of novel insulator material, its raw material comprises by mass percentage: 45～65% masterbatch, 34～55% precipitation glue, 0.06～0.5% aluminum stearate; Wherein, masterbatch comprises by mass percentage: 25～35% methyl vinyl silicone rubbers, 13～25% silicon powders, 45～55% aluminium hydroxides, 0.05～3% methyl-silicone oil, 0.05～1.8% containing hydrogen silicone oil; Precipitation glue comprises by mass percentage: 50～70% methyl vinyl silicone rubbers, 20～45% white carbon blacks, 1～5% hydroxy silicon oil, 0.05～5% stearic acid.
Embodiment 1
A kind of novel insulator material, its raw material comprises by mass percentage: 45% masterbatch, 54.5% precipitation glue, 0.5% aluminum stearate; Wherein, masterbatch comprises by mass percentage: 25%110 methyl vinyl silicone rubbers, 24% silicon powder, 47.95% aluminium hydroxide, 3% methyl-silicone oil, 0.05% containing hydrogen silicone oil; Precipitation glue comprises by mass percentage: 50.12%110 methyl vinyl silicone rubbers, 39.97% white carbon black, 5% hydroxy silicon oil, 4.91% 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
A kind of novel insulator material, its raw material comprises by mass percentage: 59.12% masterbatch, 40.82% precipitation glue, 0.06% aluminum stearate; Wherein, masterbatch comprises by mass percentage: 35%110 methyl vinyl silicone rubbers, 13% silicon powder, 50.15% aluminium hydroxide, 0.05% methyl-silicone oil, 1.8% containing hydrogen silicone oil; Precipitation glue comprises by mass percentage: 70%110 methyl vinyl silicone rubbers, 20.56% white carbon black, 4.44% 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
A kind of novel insulator material, its raw material comprises by mass percentage: 54.17% masterbatch, 45.71% precipitation glue, 0.12% aluminum stearate; Wherein, masterbatch comprises by mass percentage: 61.35%110 methyl vinyl silicone rubbers, 18.43% silicon powder, 50.6% aluminium hydroxide, 0.15% methyl-silicone oil, 0.15% containing hydrogen silicone oil; 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
A kind of novel insulator material, its raw material comprises by mass percentage: 65% masterbatch, 34.94% precipitation glue, 0.06% aluminum stearate; Wherein, masterbatch comprises by mass percentage: 29.94%110 methyl vinyl silicone rubbers, 17.96% silicon powder, 49.40% aluminium hydroxide, 1.8% methyl-silicone oil, 0.9% containing hydrogen silicone oil; Precipitation glue comprises by mass percentage: 60.6%110 methyl vinyl silicone rubbers, 35.65% white carbon black, 3.56% hydroxy silicon oil, 0.19% 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 described novel insulator material of 1～4 arbitrary embodiment, comprise the steps:
S1: masterbatch preparation:
At first, 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 40～70 ℃, and for example 40 ℃, 45 ℃, 50 ℃, 54 ℃, 60 ℃, 65 ℃, 69 ℃;
Secondly, measure by mass percentage silicon powder, drop into kneader, mixing and molding, melting temperature is 80～100 ℃, preferably 70～90 ℃, for example 70 ℃, 75 ℃, 77 ℃, 80 ℃, 84 ℃, 89 ℃;
Finally, measure by mass percentage containing hydrogen silicone oil, drop into kneader, mixing and molding, mixing time is 20～40min, preferred 25～35min, for example 26 ℃, 28 ℃, 30 ℃, 31 ℃, 34 ℃, vacuum-treat, treatment time is 10～30min, preferably 15～25min, for example 16min, 17min, 19min, 20min, 23min, 24min, 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, the 50% the first white carbon blacks for example, the 30% the second white carbon black and 20% 3rd white carbon blacks, the 45% the first white carbon blacks, the 28% the second white carbon black 27% the 3rd white carbon blacks, the 55% the first white carbon blacks, the 23% the second white carbon black and 22% 3rd white carbon blacks,
At first, 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 ℃, 50 ℃, 54 ℃, 56 ℃, 60 ℃;
Secondly, the second white carbon black is dropped into to kneader, mixing and molding, melting temperature is 60～80 ℃, preferably 65～75 ℃, for example 65 ℃, 68 ℃, 70 ℃, 73 ℃, 75 ℃;
Again, 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 ℃, 93 ℃, 95 ℃;
Finally, melting temperature is risen to 140～180 ℃, preferably 150～170 ℃, for example 150 ℃, 155 ℃, 160 ℃, 164 ℃, 170 ℃, material is cooling, constant temperature, constant temperature time is 30～50min, preferred 35～45min, for example 35min, 37min, 40min, 42min, 45min,, vacuum-treat, treatment time is 10～30min, preferably 15～25min, for example 15min, 17min, 20min, 23min, 25min, discharging, obtain described precipitation glue;
S3: novel insulator material preparation:
Take by mass percentage masterbatch, precipitation glue and aluminum stearate, drop into kneader mixing, melting temperature is 110～130 ℃, preferably 117～123 ℃, for example 117 ℃, 118 ℃, 120 ℃, 121 ℃, 123 ℃, the vacuum discharging, obtain described novel insulator material.
The novel insulator material environment friendly that the above prepares, free from environmental pollution, good physical performance, proof voltage is stable, and the voltage ability to bear can reach 35kv～50kv, 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. a novel insulator material, is characterized in that, its raw material comprises by mass percentage: 44～65.8% masterbatch, 34～55.8% precipitation glue, 0.06～0.6% aluminum stearate;
Wherein, the raw material of described masterbatch comprises by mass percentage: 25～35% methyl vinyl silicone rubbers, 13～25% silicon powders, 45～55% 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, 20～45% white carbon blacks, 1～5% hydroxy silicon oil, 0.05～5% stearic acid.
2. novel insulator material according to claim 1, is characterized in that, its raw material comprises by mass percentage: 50～59.8% masterbatch, 40～49.8% precipitation glue, 0.08～0.24% aluminum stearate.
3. novel insulator material according to claim 1, is characterized in that, the raw material of described masterbatch comprises by mass percentage: 28～33% methyl vinyl silicone rubbers, 15～20% silicon powders, 47～53% aluminium hydroxides, 0.1～2.4% methyl-silicone oil, 0.1～1.4% containing hydrogen silicone oil.
4. novel insulator material 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, 0.06～3% stearic acid.
5. novel insulator material 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 described novel insulator material of claim 1～5 any one, is characterized in that, comprises the steps:
S1: masterbatch preparation:
At first, 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 ℃;
Secondly, measure by mass percentage silicon powder, drop into kneader, mixing and molding, melting temperature is 80～100 ℃;
Finally, 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;
At first, 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 ℃;
Secondly, the second white carbon black is dropped into to kneader, mixing and molding, melting temperature is 60～80 ℃;
Again, the 3rd white carbon black is dropped into to kneader, mixing and molding, melting temperature is 80～100 ℃;
Finally, melting temperature is risen to 140～180 ℃, material is cooling, constant temperature, constant temperature time is 30～50min, vacuum-treat, the treatment time is 10～30min, discharging obtains described precipitation glue;
S3: novel insulator material preparation:
Take by mass percentage masterbatch, precipitation glue and aluminum stearate, drop into kneader mixing, melting temperature is 110～130 ℃, and the vacuum discharging obtains described novel insulator material.
7. the preparation method of novel insulator material according to claim 6, is characterized in that, in S1,
At first, measure respectively by mass percentage methyl vinyl silicone rubber, aluminium hydroxide, methyl-silicone oil, drop into kneader, mixing and molding, melting temperature is 40～70 ℃;
Secondly, measure by mass percentage silicon powder, drop into kneader, mixing and molding, melting temperature is 70～90 ℃;
Finally, 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 novel insulator material 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 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;
At first, 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 ℃;
Secondly, the second white carbon black is dropped into to kneader, mixing and molding, melting temperature is 65～75 ℃;
Again, the 3rd white carbon black is dropped into to kneader, mixing and molding, melting temperature is 85～95 ℃;
Finally, 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 novel insulator material 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 described novel insulator material.
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Application publication date: 20131211 |