CN105038255A - Heatproof composite insulator - Google Patents
Heatproof composite insulator Download PDFInfo
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- CN105038255A CN105038255A CN201510390476.5A CN201510390476A CN105038255A CN 105038255 A CN105038255 A CN 105038255A CN 201510390476 A CN201510390476 A CN 201510390476A CN 105038255 A CN105038255 A CN 105038255A
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Abstract
The invention discloses a heatproof composite insulator. The heatproof composite insulator comprises a glass fiber drawing rod, an umbrella skirt and a metal fitting, the glass fiber drawing rod is coated with the umbrella skirt, the metal fitting is coated on two ends of the glass fiber drawing rod and is connected with two ends of the umbrella skirt; and the umbrella skirt is made of a rubber material. The heatproof composite insulator has the advantages of good high temperature resistance, good electric insulation property, high mechanical performances, and simple and convenient operation.
Description
Technical field
The present invention relates to composite insulator technical field, particularly relate to a kind of heat-resisting composite insulator.
Background technology
Methyl vinyl silicone rubber has excellent high-low temperature resistant characteristic, certain flexibility, elasticity can be kept in the scope of-60 to 260 DEG C, and mechanical property is without considerable change, also there is excellent weathering resistance, resistance to ozone, oxytolerant, light aging resisting property, electrical insulation capability, low surface tension and physiological inertia etc.
Hydrogenated nitrile-butadiene rubber has good heat resistance, oil-proofness, chemical resistance, ozone resistance, higher incompressible tension set performance, and hydrogenated nitrile-butadiene rubber also has high strength, high tear performance, wear resisting property simultaneously.
Precipitated hydrated silica popular name white carbon black, it is a kind of mineral filler, using its superior stability, reinforcing, thickening property and thixotropy etc. always as one of the important filler of the goods such as rubber, plastics, coating, it is filled in the mechanical property that can increase rubber in rubber.
The full skirt of composite insulator mainly plays a part the excellent core of protection, blocks sleet, increases creepage distance and product external insulation.This needs full skirt to have good heat-resisting, insulating property, also needs to have good mechanical property, corrosion-resistant, ageing-resistant performance.But present stage be used as the material of full skirt have excellent heat resistance can while its electrical insulating property and processing characteristics poor, therefore, need development of new heat resistant insulation composite.
Summary of the invention
Based on the technical problem that background technology exists, the present invention proposes a kind of heat-resisting composite insulator, resistance to elevated temperatures of the present invention is good, and electrical insulating property is good, and mechanical property is high, simple to operation.
The heat-resisting composite insulator of one that the present invention proposes, comprising: glass fibre leading-drawing rod, full skirt, metal-ware, the coated glass fibre leading-drawing rod of full skirt, and the two ends of the coated glass fibre leading-drawing rod of metal-ware are also connected with the two ends of full skirt;
Wherein, full skirt elastomeric material is made, the raw material of its elastomeric material comprises by weight: methyl vinyl silicone rubber 90-110 part, hydrogenated nitrile-butadiene rubber 3-5 part, precipitator method high-dispersion white carbon black 30-40 part, nano micro crystal cellulose 8-12 part, γ-aminopropyl triethoxysilane 0.24-0.36 part, Diphenylsilanediol 5-7 part, fine aluminum hydroxide powder 140-160 part, red phosphorus 5-9 part, dioctyl phthalate (DOP) 10-20 part, epoxy soybean oil 10-20 part, t-butyl peroxy ketal 1-3 part, vulkacit D PG0.8-1.2 part, accelerator NS 0.8-1 part, stearic acid 0.5-1.5 part, zinc oxide 2-4 part, anti-aging agent CPPD0.5-1.5 part, anti-aging agent RD 0.6-1 part, montanin wax 2-4 part, pigment 0.5-0.9 part.
Preferably, the content of methyl vinyl silicone rubber medium vinyl is 0.07-0.3wt%.
Preferably, the particle diameter of fine aluminum hydroxide powder is 2-7 μm, and wherein, particle diameter to be fine aluminum hydroxide powder, the particle diameter of 2-3 μm the be fine aluminum hydroxide powder of 3-4 μm and particle diameter are the weight ratio of the fine aluminum hydroxide powder of 5-7 μm is 1:1-2:1-3.
Preferably, pigment is the one in ferric oxide, titanium dioxide or chrome yellow.
Preferably, the raw material of its elastomeric material comprises by weight: methyl vinyl silicone rubber 95-105 part, hydrogenated nitrile-butadiene rubber 3.5-4.5 part, precipitator method high-dispersion white carbon black 32-38 part, nano micro crystal cellulose 9-11 part, γ-aminopropyl triethoxysilane 0.27-0.33 part, Diphenylsilanediol 5.5-6.5 part, fine aluminum hydroxide powder 145-155 part, red phosphorus 6-8 part, dioctyl phthalate (DOP) 13-17 part, epoxy soybean oil 13-17 part, t-butyl peroxy ketal 1.5-2.5 part, vulkacit D PG0.9-1.1 part, accelerator NS 0.85-0.95 part, stearic acid 0.8-1.2 part, zinc oxide 2.5-3.5 part, anti-aging agent CPPD0.7-1.3 part, anti-aging agent RD 0.7-0.9 part, montanin wax 2.5-3.5 part, pigment 0.6-0.8 part.
Preferably, the preparation method of elastomeric material comprises the steps:
S1, prepare modified Nano Microcrystalline Cellulose: nano micro crystal cellulose being added massfraction is mix in 95wt% aqueous ethanolic solution, be warming up to 60-80 DEG C, add γ-aminopropyl triethoxysilane, be warming up to 70-90 DEG C, insulated and stirred 2-2.5h, filter, washing, be cooled to 60-80 DEG C, dry and obtain modified Nano Microcrystalline Cellulose, wherein nano micro crystal cellulose and massfraction are the weightmeasurement ratio (g/ml) of 95wt% aqueous ethanolic solution is 8-12:1000-1500;
S2, prepare rubber major ingredient: add in Banbury mixer by hydrogenated nitrile-butadiene rubber and precipitator method high-dispersion white carbon black, be warming up to 70-90 DEG C, with the speed banburying 2-4min of 50-60r/min, add methyl vinyl silicone rubber banburying 2-3min and obtain rubber major ingredient;
S3, prepare heat-resisting composite insulator: add in the Banbury mixer containing rubber major ingredient by modified Nano Microcrystalline Cellulose, Diphenylsilanediol, fine aluminum hydroxide powder, red phosphorus, dioctyl phthalate (DOP), epoxy soybean oil, stearic acid, zinc oxide, anti-aging agent CPPD, anti-aging agent RD, montanin wax and pigment successively, be warming up to 90-110 DEG C, with the speed banburying 4-6min of 100-200r/min, be warming up to 130-140 DEG C, add t-butyl peroxy ketal, vulkacit D PG and accelerator NS banburying 7-11min, thin-pass 5-7 time, obtains elastomeric material.
Preferably, in S1, nano micro crystal cellulose being added massfraction is mix in 95wt% aqueous ethanolic solution, is warming up to 65-75 DEG C, add γ-aminopropyl triethoxysilane, be warming up to 75-85 DEG C, insulated and stirred 2.2-2.3h, filter, washing, be cooled to 65-75 DEG C, dry and obtain modified Nano Microcrystalline Cellulose, wherein nano micro crystal cellulose and massfraction are the weightmeasurement ratio (g/ml) of 95wt% aqueous ethanolic solution is 9-11:1100-1300.
Preferably, in S2, hydrogenated nitrile-butadiene rubber and precipitator method high-dispersion white carbon black are added in Banbury mixer, is warming up to 75-85 DEG C, with the speed banburying 2.5-3.5min of 53-57r/min, add methyl vinyl silicone rubber banburying 2.2-2.8min and obtain rubber major ingredient.
Preferably, in S3, successively modified Nano Microcrystalline Cellulose, Diphenylsilanediol, fine aluminum hydroxide powder, red phosphorus, dioctyl phthalate (DOP), epoxy soybean oil, stearic acid, zinc oxide, anti-aging agent CPPD, anti-aging agent RD, montanin wax and pigment are added in the Banbury mixer containing rubber major ingredient, be warming up to 95-105 DEG C, with the speed banburying 4.5-5.5min of 130-170r/min, be warming up to 132-138 DEG C, add t-butyl peroxy ketal, vulkacit D PG and accelerator NS banburying 8-10min, thin-pass 5-7 time, obtains elastomeric material.
The present invention selects methyl vinyl silicone rubber to have excellent warm nature energy of the resistance to high end, insulating property, weathering resistance; Hydrogenated nitrile-butadiene rubber has good thermotolerance, erosion resistance; Hydrogenated nitrile-butadiene rubber and precipitator method high-dispersion white carbon black blended, part silicone hydroxyl on hydrogenated nitrile-butadiene rubber Semi-polarity-CN group and precipitator method high-dispersion white carbon black is interacted, form reticulated structure, add the nonpolar of precipitator method high-dispersion white carbon black, precipitator method high-dispersion white carbon black is dispersed in methyl vinyl silicone rubber uniformly; On the one hand in the silicone hydroxyl of precipitator method high-dispersion white carbon black surface residual and methyl vinyl silicone rubber, siloxane bond can form hydrogen bond, further induced precipitation method high-dispersion white carbon black and hydrogenated nitrile-butadiene rubber dispersed in methyl vinyl silicone rubber, triple interaction, considerably increases thermotolerance of the present invention, insulativity, physical strength and corrosion resistance nature; Contents of ethylene suitable in methyl vinyl silicone rubber can increase electrical insulating property of the present invention further; Select γ-aminopropyl triethoxysilane to carry out modification to nanocrystal fiber and obtain modified Nano crystalline fibers, there is stronger physics and chemistry adsorptive power, the percentage of grafting of surface hydrophobicity group is higher, stable cross-linked network structure can be formed with rubber, increase the conjugation between itself and rubber, considerably increase shock resistance of the present invention, tearing toughness; Diphenylsilanediol can prevent the present invention slowly hardening in put procedure, keeps plasticity-of the present invention; Fine aluminum hydroxide powder one side and red phosphorus synergy, increase flame retardant resistance of the present invention, can increase electrical insulating property of the present invention on the other hand with precipitator method high-dispersion white carbon black, hydrogenated nitrile-butadiene rubber, methyl vinyl silicone rubber interaction; The fine aluminum hydroxide powder of suitable particle diameter can be dispersed in rubber major ingredient uniformly, increases mechanical property of the present invention and flame retardant properties; T-butyl peroxy ketal, vulkacit D PG and accelerator NS can promote that the vulcanization of rubber forms cross-linked structure, the cross-linked network structure that the reticulated structure formed with hydrogenated nitrile-butadiene rubber and precipitator method high-dispersion white carbon black, modified Nano Microcrystalline Cellulose are formed interacts, and increases further the performances such as heat-resisting, corrosion-resistant, anti tear of the present invention, shock resistance; Diphenylsilanediol, fine aluminum hydroxide powder, red phosphorus, dioctyl phthalate (DOP), epoxy soybean oil, stearic acid, zinc oxide, anti-aging agent CPPD, anti-aging agent RD, montanin wax and pigment can be dispersed in above-mentioned cross-linked network structure, increase thermotolerance of the present invention and physical strength; Anti-aging agent CPPD and anti-aging agent RD can increase stability of the present invention; Stearic acid and zinc oxide can promote sulfuration, shorten curing time; Montanin wax can increase the mobility of storeroom, improves surface flatness of the present invention, reduces processing resistance, shortens process period, be beneficial to suitability for industrialized production.
Embodiment
Below, by specific embodiment, technical scheme of the present invention is described in detail.
In a particular embodiment, heat-resisting composite insulator of the present invention, comprising: glass fibre leading-drawing rod, full skirt, metal-ware, the coated glass fibre leading-drawing rod of full skirt, and the two ends of the coated glass fibre leading-drawing rod of metal-ware are also connected with the two ends of full skirt;
Wherein, full skirt elastomeric material is made, and the raw material of its elastomeric material comprises by weight: the weight part of methyl vinyl silicone rubber can be 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110 parts, the weight part of hydrogenated nitrile-butadiene rubber can be 3, 3.1, 3.2, 3.3, 3.4, 3.5, 3.6, 3.7, 3.8, 3.9, 4, 4.1, 4.2, 4.3, 4.4, 4.5, 4.6, 4.7, 4.8, 4.9, 5 parts, the weight part of precipitator method high-dispersion white carbon black can be 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40 parts, the weight part of nano micro crystal cellulose can be 8, 9, 10, 11, 12 parts, the weight part of γ-aminopropyl triethoxysilane can be 0.24, 0.25, 0.26, 0.27, 0.28, 0.29, 0.3, 0.31, 0.32, 0.33, 0.34, 0.35, 0.36 part, the weight part of Diphenylsilanediol can be 5, 5.1, 5.2, 5.3, 5.4, 5.5, 5.6, 5.7, 5.8, 5.9, 6, 6.1, 6.2, 6.3, 6.4, 6.5, 6.6, 6.7, 6.8, 6.9, 7 parts, the weight part of fine aluminum hydroxide powder can be 140, 141, 142, 143, 144, 145, 146, 147, 148, 149, 150, 151, 152, 153, 154, 155, 156, 157, 158, 159, 160 parts, the weight part of red phosphorus can be 5, 5.5, 6, 6.5, 7, 7.5, 8, 8.5, 9 parts, the weight part of dioctyl phthalate (DOP) can be 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20 parts, the weight part of epoxy soybean oil can be 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20 parts, the weight part of t-butyl peroxy ketal can be 1, 1.1, 1.2, 1.3, 1.4, 1.5, 1.6, 1.7, 1.8, 1.9, 2, 2.1, 2.2, 2.3, 2.4, 2.5, 2.6, 2.7, 2.8, 2.9, 3 parts, the weight part of vulkacit D PG can be 0.8, 0.9, 1, 1.1, 1.2 parts, the weight part of accelerator NS can be 0.8, 0.85, 0.9, 0.95, 1 part, stearic weight part can be 0.5, 0.6, 0.7, 0.8, 0.9, 1, 1.1, 1.2, 1.3, 1.4, 1.5 parts, the weight part of zinc oxide can be 2, 2.1, 2.2, 2.3, 2.4, 2.5, 2.6, 2.7, 2.8, 2.9, 3, 3.1, 3.2, 3.3, 3.4, 3.5, 3.6, 3.7, 3.8, 3.9, 4 parts, the weight part of anti-aging agent CPPD can be 0.5, 0.6, 0.7, 0.8, 0.9, 1, 1.1, 1.2, 1.3, 1.4, 1.5 parts, the weight part of anti-aging agent RD can be 0.6, 0.7, 0.8, 0.9, 1 part, the weight part of montanin wax can be 2, 2.1, 2.2, 2.3, 2.4, 2.5, 2.6, 2.7, 2.8, 2.9, 3, 3.1, 3.2, 3.3, 3.4, 3.5, 3.6, 3.7, 3.8, 3.9, 4 parts, the weight part of pigment can be 0.5, 0.6, 0.7, 0.8, 0.9 part.
Embodiment 1
A kind of heat-resisting composite insulator, comprising: glass fibre leading-drawing rod, full skirt, metal-ware, the coated glass fibre leading-drawing rod of full skirt, and the two ends of the coated glass fibre leading-drawing rod of metal-ware are also connected with the two ends of full skirt;
Wherein, full skirt elastomeric material is made, the raw material of its elastomeric material comprises by weight: the content of vinyl is the methyl vinyl silicone rubber 110 parts of 0.07wt%, hydrogenated nitrile-butadiene rubber 3 parts, precipitator method high-dispersion white carbon black 40 parts, nano micro crystal cellulose 8 parts, γ-aminopropyl triethoxysilane 0.36 part, Diphenylsilanediol 5 parts, fine aluminum hydroxide powder 160 parts, 5 parts, red phosphorus, dioctyl phthalate (DOP) 20 parts, epoxy soybean oil 10 parts, t-butyl peroxy ketal 3 parts, vulkacit D PG0.8 part, accelerator NS 1 part, stearic acid 0.5 part, 4 parts, zinc oxide, anti-aging agent CPPD0.5 part, anti-aging agent RD 1 part, montanin wax 2 parts, ferric oxide 0.9 part, wherein, particle diameter is respectively 2-3 μm, 3-4 μm, the weight ratio of the fine aluminum hydroxide powder of 5-7 μm is 1:1:3.
The preparation method of above-mentioned elastomeric material comprises the steps:
S1, prepare modified Nano Microcrystalline Cellulose: nano micro crystal cellulose being added massfraction is mix in 95wt% aqueous ethanolic solution, be warming up to 60 DEG C, add γ-aminopropyl triethoxysilane, be warming up to 90 DEG C, insulated and stirred 2h, filter, washing, be cooled to 80 DEG C, dry and obtain modified Nano Microcrystalline Cellulose, wherein nano micro crystal cellulose and massfraction are the weightmeasurement ratio (g/ml) of 95wt% aqueous ethanolic solution is 8:1500;
S2, prepare rubber major ingredient: add in Banbury mixer by hydrogenated nitrile-butadiene rubber and precipitator method high-dispersion white carbon black, be warming up to 70 DEG C, with the speed banburying 2min of 60r/min, add methyl vinyl silicone rubber banburying 3min and obtain rubber major ingredient;
S3, prepare heat-resisting composite insulator: add in the Banbury mixer containing rubber major ingredient by modified Nano Microcrystalline Cellulose, Diphenylsilanediol, fine aluminum hydroxide powder, red phosphorus, dioctyl phthalate (DOP), epoxy soybean oil, stearic acid, zinc oxide, anti-aging agent CPPD, anti-aging agent RD, montanin wax and ferric oxide successively, be warming up to 90 DEG C, with the speed banburying 4min of 200r/min, be warming up to 140 DEG C, add t-butyl peroxy ketal, vulkacit D PG and accelerator NS banburying 7min, thin-pass 7 times, obtains elastomeric material.
Embodiment 2
A kind of heat-resisting composite insulator, comprising: glass fibre leading-drawing rod, full skirt, metal-ware, the coated glass fibre leading-drawing rod of full skirt, and the two ends of the coated glass fibre leading-drawing rod of metal-ware are also connected with the two ends of full skirt;
Wherein, full skirt elastomeric material is made, the raw material of its elastomeric material comprises by weight: the content of vinyl is the methyl vinyl silicone rubber 90 parts of 0.3wt%, hydrogenated nitrile-butadiene rubber 5 parts, precipitator method high-dispersion white carbon black 30 parts, nano micro crystal cellulose 12 parts, γ-aminopropyl triethoxysilane 0.24 part, Diphenylsilanediol 7 parts, fine aluminum hydroxide powder 140 parts, 9 parts, red phosphorus, dioctyl phthalate (DOP) 10 parts, epoxy soybean oil 20 parts, t-butyl peroxy ketal 1 part, vulkacit D PG1.2 part, accelerator NS 0.8 part, stearic acid 1.5 parts, 2 parts, zinc oxide, anti-aging agent CPPD1.5 part, anti-aging agent RD 0.6 part, montanin wax 4 parts, titanium dioxide 0.5 part, wherein, particle diameter is respectively 2-3 μm, 3-4 μm, the weight ratio of the fine aluminum hydroxide powder of 5-7 μm is 1:2:1.
The preparation method of above-mentioned elastomeric material comprises the steps:
S1, prepare modified Nano Microcrystalline Cellulose: nano micro crystal cellulose being added massfraction is mix in 95wt% aqueous ethanolic solution, be warming up to 80 DEG C, add γ-aminopropyl triethoxysilane, be warming up to 70 DEG C, insulated and stirred 2.5h, filter, washing, be cooled to 60 DEG C, dry and obtain modified Nano Microcrystalline Cellulose, wherein nano micro crystal cellulose and massfraction are the weightmeasurement ratio (g/ml) of 95wt% aqueous ethanolic solution is 12:1000;
S2, prepare rubber major ingredient: add in Banbury mixer by hydrogenated nitrile-butadiene rubber and precipitator method high-dispersion white carbon black, be warming up to 90 DEG C, with the speed banburying 4min of 50r/min, add methyl vinyl silicone rubber banburying 2min and obtain rubber major ingredient;
S3, prepare heat-resisting composite insulator: add in the Banbury mixer containing rubber major ingredient by modified Nano Microcrystalline Cellulose, Diphenylsilanediol, fine aluminum hydroxide powder, red phosphorus, dioctyl phthalate (DOP), epoxy soybean oil, stearic acid, zinc oxide, anti-aging agent CPPD, anti-aging agent RD, montanin wax and titanium dioxide successively, be warming up to 110 DEG C, with the speed banburying 6min of 100r/min, be warming up to 130 DEG C, add t-butyl peroxy ketal, vulkacit D PG and accelerator NS banburying 11min, thin-pass 5 times, obtains elastomeric material.
Embodiment 3
A kind of heat-resisting composite insulator, comprising: glass fibre leading-drawing rod, full skirt, metal-ware, the coated glass fibre leading-drawing rod of full skirt, and the two ends of the coated glass fibre leading-drawing rod of metal-ware are also connected with the two ends of full skirt;
Wherein, full skirt elastomeric material is made, the raw material of its elastomeric material comprises by weight: the content of vinyl is the methyl vinyl silicone rubber 95 parts of 0.25wt%, hydrogenated nitrile-butadiene rubber 4.5 parts, precipitator method high-dispersion white carbon black 32 parts, nano micro crystal cellulose 11 parts, γ-aminopropyl triethoxysilane 0.27 part, Diphenylsilanediol 6.5 parts, fine aluminum hydroxide powder 145 parts, 8 parts, red phosphorus, dioctyl phthalate (DOP) 13 parts, epoxy soybean oil 17 parts, t-butyl peroxy ketal 1.5 parts, vulkacit D PG1.1 part, accelerator NS 0.85 part, stearic acid 1.2 parts, 2.5 parts, zinc oxide, anti-aging agent CPPD1.3 part, anti-aging agent RD 0.7 part, montanin wax 3.5 parts, chrome yellow 0.6 part, wherein, particle diameter is respectively 2-3 μm, 3-4 μm, the weight ratio of the fine aluminum hydroxide powder of 5-7 μm is 1:1.8:1.5.
The preparation method of above-mentioned elastomeric material comprises the steps:
S1, prepare modified Nano Microcrystalline Cellulose: nano micro crystal cellulose being added massfraction is mix in 95wt% aqueous ethanolic solution, be warming up to 75 DEG C, add γ-aminopropyl triethoxysilane, be warming up to 75 DEG C, insulated and stirred 2.3h, filter, washing, be cooled to 65 DEG C, dry and obtain modified Nano Microcrystalline Cellulose, wherein nano micro crystal cellulose and massfraction are the weightmeasurement ratio (g/ml) of 95wt% aqueous ethanolic solution is 11:1100;
S2, prepare rubber major ingredient: add in Banbury mixer by hydrogenated nitrile-butadiene rubber and precipitator method high-dispersion white carbon black, be warming up to 85 DEG C, with the speed banburying 3.5min of 53r/min, add methyl vinyl silicone rubber banburying 2.2min and obtain rubber major ingredient;
S3, prepare heat-resisting composite insulator: add in the Banbury mixer containing rubber major ingredient by modified Nano Microcrystalline Cellulose, Diphenylsilanediol, fine aluminum hydroxide powder, red phosphorus, dioctyl phthalate (DOP), epoxy soybean oil, stearic acid, zinc oxide, anti-aging agent CPPD, anti-aging agent RD, montanin wax and chrome yellow successively, be warming up to 105 DEG C, with the speed banburying 5.5min of 130r/min, be warming up to 132 DEG C, add t-butyl peroxy ketal, vulkacit D PG and accelerator NS banburying 10min, thin-pass 5 times, obtains elastomeric material.
Embodiment 4
A kind of heat-resisting composite insulator, comprising: glass fibre leading-drawing rod, full skirt, metal-ware, the coated glass fibre leading-drawing rod of full skirt, and the two ends of the coated glass fibre leading-drawing rod of metal-ware are also connected with the two ends of full skirt;
Wherein, full skirt elastomeric material is made, the raw material of its elastomeric material comprises by weight: the content of vinyl is the methyl vinyl silicone rubber 105 parts of 0.15wt%, hydrogenated nitrile-butadiene rubber 3.5 parts, precipitator method high-dispersion white carbon black 38 parts, nano micro crystal cellulose 9 parts, γ-aminopropyl triethoxysilane 0.33 part, Diphenylsilanediol 5.5 parts, fine aluminum hydroxide powder 155 parts, 6 parts, red phosphorus, dioctyl phthalate (DOP) 17 parts, epoxy soybean oil 13 parts, t-butyl peroxy ketal 2.5 parts, vulkacit D PG0.9 part, accelerator NS 0.95 part, stearic acid 0.8 part, 3.5 parts, zinc oxide, anti-aging agent CPPD0.7 part, anti-aging agent RD 0.9 part, montanin wax 2.5 parts, ferric oxide 0.8 part, wherein, particle diameter is respectively 2-3 μm, 3-4 μm, the weight ratio of the fine aluminum hydroxide powder of 5-7 μm is 1:1.2:2.5.
The preparation method of above-mentioned elastomeric material comprises the steps:
S1, prepare modified Nano Microcrystalline Cellulose: nano micro crystal cellulose being added massfraction is mix in 95wt% aqueous ethanolic solution, be warming up to 65 DEG C, add γ-aminopropyl triethoxysilane, be warming up to 85 DEG C, insulated and stirred 2.2h, filter, washing, be cooled to 75 DEG C, dry and obtain modified Nano Microcrystalline Cellulose, wherein nano micro crystal cellulose and massfraction are the weightmeasurement ratio (g/ml) of 95wt% aqueous ethanolic solution is 9:1300;
S2, prepare rubber major ingredient: add in Banbury mixer by hydrogenated nitrile-butadiene rubber and precipitator method high-dispersion white carbon black, be warming up to 75 DEG C, with the speed banburying 2.5min of 57r/min, add methyl vinyl silicone rubber banburying 2.8min and obtain rubber major ingredient;
S3, prepare heat-resisting composite insulator: add in the Banbury mixer containing rubber major ingredient by modified Nano Microcrystalline Cellulose, Diphenylsilanediol, fine aluminum hydroxide powder, red phosphorus, dioctyl phthalate (DOP), epoxy soybean oil, stearic acid, zinc oxide, anti-aging agent CPPD, anti-aging agent RD, montanin wax and ferric oxide successively, be warming up to 95 DEG C, with the speed banburying 4.5min of 170r/min, be warming up to 138 DEG C, add t-butyl peroxy ketal, vulkacit D PG and accelerator NS banburying 8min, thin-pass 7 times, obtains elastomeric material.
Embodiment 5
A kind of heat-resisting composite insulator, comprising: glass fibre leading-drawing rod, full skirt, metal-ware, the coated glass fibre leading-drawing rod of full skirt, and the two ends of the coated glass fibre leading-drawing rod of metal-ware are also connected with the two ends of full skirt;
Wherein, full skirt elastomeric material is made, the raw material of its elastomeric material comprises by weight: the content of vinyl is the methyl vinyl silicone rubber 100 parts of 0.2wt%, hydrogenated nitrile-butadiene rubber 4 parts, precipitator method high-dispersion white carbon black 35 parts, nano micro crystal cellulose 10 parts, γ-aminopropyl triethoxysilane 0.3 part, Diphenylsilanediol 6 parts, fine aluminum hydroxide powder 150 parts, 7 parts, red phosphorus, dioctyl phthalate (DOP) 15 parts, epoxy soybean oil 15 parts, t-butyl peroxy ketal 2 parts, vulkacit D PG1 part, accelerator NS 0.9 part, stearic acid 1 part, 3 parts, zinc oxide, anti-aging agent CPPD1 part, anti-aging agent RD 0.8 part, montanin wax 3 parts, titanium dioxide 0.7 part, wherein, particle diameter is respectively 2-3 μm, 3-4 μm, the weight ratio of the fine aluminum hydroxide powder of 5-7 μm is 1:1.5:2.
The preparation method of above-mentioned elastomeric material comprises the steps:
S1, prepare modified Nano Microcrystalline Cellulose: nano micro crystal cellulose being added massfraction is mix in 95wt% aqueous ethanolic solution, be warming up to 70 DEG C, add γ-aminopropyl triethoxysilane, be warming up to 80 DEG C, insulated and stirred 2.25h, filter, washing, be cooled to 70 DEG C, dry and obtain modified Nano Microcrystalline Cellulose, wherein nano micro crystal cellulose and massfraction are the weightmeasurement ratio (g/ml) of 95wt% aqueous ethanolic solution is 10:1200;
S2, prepare rubber major ingredient: add in Banbury mixer by hydrogenated nitrile-butadiene rubber and precipitator method high-dispersion white carbon black, be warming up to 80 DEG C, with the speed banburying 3min of 55r/min, add methyl vinyl silicone rubber banburying 2.5min and obtain rubber major ingredient;
S3, prepare heat-resisting composite insulator: add in the Banbury mixer containing rubber major ingredient by modified Nano Microcrystalline Cellulose, Diphenylsilanediol, fine aluminum hydroxide powder, red phosphorus, dioctyl phthalate (DOP), epoxy soybean oil, stearic acid, zinc oxide, anti-aging agent CPPD, anti-aging agent RD, montanin wax and titanium dioxide successively, be warming up to 100 DEG C, with the speed banburying 5min of 150r/min, be warming up to 135 DEG C, add t-butyl peroxy ketal, vulkacit D PG and accelerator NS banburying 9min, thin-pass 6 times, obtains elastomeric material.
The above; be only the present invention's preferably embodiment; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to according to technical scheme of the present invention and inventive concept thereof and replace or change, all should be encompassed within protection scope of the present invention.
Claims (9)
1. a heat-resisting composite insulator, is characterized in that, comprising: glass fibre leading-drawing rod, full skirt, metal-ware, the coated glass fibre leading-drawing rod of full skirt, and the two ends of the coated glass fibre leading-drawing rod of metal-ware are also connected with the two ends of full skirt;
Wherein, full skirt elastomeric material is made, the raw material of its elastomeric material comprises by weight: methyl vinyl silicone rubber 90-110 part, hydrogenated nitrile-butadiene rubber 3-5 part, precipitator method high-dispersion white carbon black 30-40 part, nano micro crystal cellulose 8-12 part, γ-aminopropyl triethoxysilane 0.24-0.36 part, Diphenylsilanediol 5-7 part, fine aluminum hydroxide powder 140-160 part, red phosphorus 5-9 part, dioctyl phthalate (DOP) 10-20 part, epoxy soybean oil 10-20 part, t-butyl peroxy ketal 1-3 part, vulkacit D PG0.8-1.2 part, accelerator NS 0.8-1 part, stearic acid 0.5-1.5 part, zinc oxide 2-4 part, anti-aging agent CPPD0.5-1.5 part, anti-aging agent RD 0.6-1 part, montanin wax 2-4 part, pigment 0.5-0.9 part.
2. heat-resisting composite insulator according to claim 1, it is characterized in that, the content of methyl vinyl silicone rubber medium vinyl is 0.07-0.3wt%.
3. heat-resisting composite insulator according to claim 1 or 2, it is characterized in that, the particle diameter of fine aluminum hydroxide powder is 2-7 μm, wherein, particle diameter to be fine aluminum hydroxide powder, the particle diameter of 2-3 μm the be fine aluminum hydroxide powder of 3-4 μm and particle diameter are the weight ratio of the fine aluminum hydroxide powder of 5-7 μm is 1:1-2:1-3.
4. heat-resisting composite insulator according to any one of claim 1-3, is characterized in that, pigment is the one in ferric oxide, titanium dioxide or chrome yellow.
5. heat-resisting composite insulator according to any one of claim 1-4, it is characterized in that, the raw material of its elastomeric material comprises by weight: methyl vinyl silicone rubber 95-105 part, hydrogenated nitrile-butadiene rubber 3.5-4.5 part, precipitator method high-dispersion white carbon black 32-38 part, nano micro crystal cellulose 9-11 part, γ-aminopropyl triethoxysilane 0.27-0.33 part, Diphenylsilanediol 5.5-6.5 part, fine aluminum hydroxide powder 145-155 part, red phosphorus 6-8 part, dioctyl phthalate (DOP) 13-17 part, epoxy soybean oil 13-17 part, t-butyl peroxy ketal 1.5-2.5 part, vulkacit D PG0.9-1.1 part, accelerator NS 0.85-0.95 part, stearic acid 0.8-1.2 part, zinc oxide 2.5-3.5 part, anti-aging agent CPPD0.7-1.3 part, anti-aging agent RD 0.7-0.9 part, montanin wax 2.5-3.5 part, pigment 0.6-0.8 part.
6. heat-resisting composite insulator according to any one of claim 1-5, is characterized in that, the preparation method of elastomeric material comprises the steps:
S1, prepare modified Nano Microcrystalline Cellulose: nano micro crystal cellulose being added massfraction is mix in 95wt% aqueous ethanolic solution, be warming up to 60-80 DEG C, add γ-aminopropyl triethoxysilane, be warming up to 70-90 DEG C, insulated and stirred 2-2.5h, filter, washing, be cooled to 60-80 DEG C, dry and obtain modified Nano Microcrystalline Cellulose, wherein nano micro crystal cellulose and massfraction are the weightmeasurement ratio (g/ml) of 95wt% aqueous ethanolic solution is 8-12:1000-1500;
S2, prepare rubber major ingredient: add in Banbury mixer by hydrogenated nitrile-butadiene rubber and precipitator method high-dispersion white carbon black, be warming up to 70-90 DEG C, with the speed banburying 2-4min of 50-60r/min, add methyl vinyl silicone rubber banburying 2-3min and obtain rubber major ingredient;
S3, prepare heat-resisting composite insulator: add in the Banbury mixer containing rubber major ingredient by modified Nano Microcrystalline Cellulose, Diphenylsilanediol, fine aluminum hydroxide powder, red phosphorus, dioctyl phthalate (DOP), epoxy soybean oil, stearic acid, zinc oxide, anti-aging agent CPPD, anti-aging agent RD, montanin wax and pigment successively, be warming up to 90-110 DEG C, with the speed banburying 4-6min of 100-200r/min, be warming up to 130-140 DEG C, add t-butyl peroxy ketal, vulkacit D PG and accelerator NS banburying 7-11min, thin-pass 5-7 time, obtains elastomeric material.
7. heat-resisting composite insulator according to claim 6, it is characterized in that, in S1, nano micro crystal cellulose being added massfraction is mix in 95wt% aqueous ethanolic solution, be warming up to 65-75 DEG C, add γ-aminopropyl triethoxysilane, be warming up to 75-85 DEG C, insulated and stirred 2.2-2.3h, filter, washing, is cooled to 65-75 DEG C, oven dry obtains modified Nano Microcrystalline Cellulose, and wherein nano micro crystal cellulose and massfraction are the weightmeasurement ratio (g/ml) of 95wt% aqueous ethanolic solution is 9-11:1100-1300.
8. according to claim 6 or 7 described heat-resisting composite insulators, it is characterized in that, in S2, hydrogenated nitrile-butadiene rubber and precipitator method high-dispersion white carbon black are added in Banbury mixer, be warming up to 75-85 DEG C, with the speed banburying 2.5-3.5min of 53-57r/min, add methyl vinyl silicone rubber banburying 2.2-2.8min and obtain rubber major ingredient.
9. heat-resisting composite insulator according to any one of claim 6-8, it is characterized in that, in S3, successively by modified Nano Microcrystalline Cellulose, Diphenylsilanediol, fine aluminum hydroxide powder, red phosphorus, dioctyl phthalate (DOP), epoxy soybean oil, stearic acid, zinc oxide, anti-aging agent CPPD, anti-aging agent RD, montanin wax and pigment add in the Banbury mixer containing rubber major ingredient, be warming up to 95-105 DEG C, with the speed banburying 4.5-5.5min of 130-170r/min, be warming up to 132-138 DEG C, add t-butyl peroxy ketal, vulkacit D PG and accelerator NS banburying 8-10min, thin-pass 5-7 time, obtain elastomeric material.
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