CN104610754A - Micro-nano silicone rubber composite material for composite insulator and preparation method of micro-nano silicone rubber composite material - Google Patents
Micro-nano silicone rubber composite material for composite insulator and preparation method of micro-nano silicone rubber composite material Download PDFInfo
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Abstract
The invention discloses a micro-nano silicone rubber composite material for a composite insulator and a preparation method of the micro-nano silicone rubber composite material. The micro-nano silicone rubber composite material comprises the following raw material components in parts by mass: 100 parts of raw silicone rubber, 15-30 parts of fumed silica, 30-40 parts of micron aluminium hydroxide, 0-15 parts of nanometre aluminium hydroxide, 1-2 parts of a structurized control agent and 1-26 parts of a silane coupling agent. According to the invention, a micro-nano tracking-resistant filler is compounded with the silicon rubber in a proper volume ratio and by a proper process to form a special interface intermediate phase, namely, the microstructure and the compactness of the composite material are obviously improved and enhanced respectively, the content of aluminium hydroxide is reduced, the mechanical performance of the composite material is kept, and the tracking-resistant silicon rubber composite material is prepared.
Description
Technical field
Micro-nano silicon rubber Composite rubber material that the present invention relates to used in composite insulator and preparation method thereof, the present invention is mainly used on composite insulator, belongs to rubber composite Application Areas.
Background technology
Composite insulator is made up of glass fiber composite material plug and silicon rubber umbrella skirt.Compared with traditional porcelain insulator, composite insulator has that quality is light, intensity is high, resistance to pollution flashover ability is strong, without null value, the advantage such as manufacturing process is simple, running maintenance is convenient, develop very swift and violent in recent years in China.Silicon rubber umbrella plays the effect of bearing high-voltage electric field and protection plug in the outside of composite electric insulator core bar, therefore to the performance requriements of silicon rubber be to insulate, high-low temperature resistant, resistance to electric trace, resistance to electric arc, weather-proof and there is suitable physical and mechanical properties.Silicon rubber is relative to pottery and ethylene-propylene rubber(EPR) material, and its electrical insulation properties, high and low temperature resistance, weather-proof and resistance to pollution flashover excellence, be widely used on the composite insulator of high-tension power transmission and transformation equipment.And now anti creepage trace agent to there is addition large, and with the shortcoming such as rubber compatibility difference, its processing characteristics of severe exacerbation and mechanical property.Chinese patent CN1923899A utilizes ultrafining treatment aluminium hydroxide, then reduces the consumption of aluminium hydroxide by coupling agent treatment, and at raising anti creepage trace, but its addition is bigger than normal, affects its mechanical property.
Summary of the invention
Micro-nano silicon rubber Composite rubber material that the object of this invention is to provide a kind of used in composite insulator and preparation method thereof, the composite insulator made can keep its good mechanical property, has high electric durability silicon rubber simultaneously.
The technical solution used in the present invention is as follows:
A micro-nano silicon rubber Composite rubber material for used in composite insulator, its composition is counted by weight: methyl ethylene silicon rubber rubber, consumption 100 parts; Thermal silica, consumption 15 ~ 30 parts; Micron aluminium hydroxide, 30 ~ 40 parts; Nano-aluminum hydroxide, 10 ~ 15 parts; Antistructurizing agent, 1 ~ 2 part; Silane coupling agent, 1 ~ 2 part; Vulcanizing agent, 1 ~ 2 part.
The molecular-weight average of described methyl vinyl silicon kautschuk is 50 ~ 700,000, and the mole percent level of vinyl is 0.05 ~ 0.3%.
Described white carbon black is thermal silica, and its specific surface area is at least 150 ~ 350m
2/ g, median size 10 ~ 30nm.
The median size of described micron aluminium hydroxide is 1 ~ 5 micron; The median size of described nano-aluminum hydroxide is in 30 ~ 100 nanometers.
Described anti-antistructurizing agent is hexamethyldisilazane, Diphenylsilanediol, dimethyldimethoxysil,ne, dimethyldiethoxysilane.
Described silane coupling agent is KH-560, KH-570, vinyltrimethoxy silane, vinyltriethoxysilane.
Described vulcanizing agent is DCP, two 25.
The compound method of the micro-nano silicon rubber Composite rubber material of described used in composite insulator, its preparation steps: first methyl vinyl silicon kautschuk is added in kneader, divide and add white carbon black, micro-nano aluminium hydroxide, silane coupling agent and appropriate antistructurizing agent for 3 ~ 5 times, mediate 1 ~ 2 hour under 150 ~ 170 DEG C and vacuum tightness are-0.07 ~ 0.1MPa condition after whole material adds, discharging; Then put into mill, open refining smooth to sizing material, obtain rubber unvulcanizate.After rubber unvulcanizate being parked 20 ~ 25 hours, bag roller, adds vulcanizing agent on a mill until, thin-pass 3 ~ 5 times, can obtain the micro-nano aluminium hydroxide/silicon rubber insulation sizing material of described used in composite insulator.
Patent of the present invention adopt micron and the resistance to electric trace filler of nano-aluminum hydroxide blended, by the resistance to electric trace filler of micro-nano with proper volume than and suitable technique and silicon rubber compound, define special interface mesophase spherule, namely the microstructure of matrix material and compactness obtain respectively and significantly improve, keep its mechanical property, be prepared into high resistance to electric trace silicon rubber.
Embodiment
Be described further this explanation below in conjunction with embodiment, following embodiment also need not limit practical range of the present invention.
Embodiment 1
First by 100 parts of methyl vinyl silicon kautschuks, (molecular-weight average is 50 ~ 700,000, the mole percent level of vinyl is 0.05 ~ 0.3%) add in kneader, divide and add 25 parts of white carbon blacks, 30 parts of micron aluminium hydroxides, 15 parts of nano-aluminum hydroxides, 1 part of KH-560 silane coupling agent and 1 part of hexamethyldisilazane antistructurizing agent for 4 times, mediate 1.5 hours under 160 DEG C and vacuum (-0.08MPa) condition after whole material adds, discharging; Then put into mill, open refining smooth to sizing material, obtain rubber unvulcanizate.After rubber unvulcanizate being parked 24 hours, by rubber unvulcanizate bag roller on a mill until, add 1.5 parts of two two or five vulcanizing agents, thin-pass 5 times, can obtain used in composite insulator micro-nano aluminium hydroxide/silicon rubber insulation sizing material.
Embodiment 2
First by 100 parts of methyl vinyl silicon kautschuks, (molecular-weight average is 50 ~ 700,000, the mole percent level of vinyl is 0.05 ~ 0.3%) add in kneader, divide and add 25 parts of white carbon blacks, 40 parts of micron aluminium hydroxides, 10 parts of nano-aluminum hydroxides, 1 part of KH-560 silane coupling agent and 1 part of hexamethyldisilazane antistructurizing agent for 4 times, mediate 1.5 hours under 160 DEG C and vacuum (-0.08MPa) condition after whole material adds, discharging; Then put into mill, open refining smooth to sizing material, obtain rubber unvulcanizate.After rubber unvulcanizate being parked 24 hours, by rubber unvulcanizate bag roller on a mill until, add 1.5 parts of two two or five vulcanizing agents, thin-pass 5 times, can obtain used in composite insulator micro-nano aluminium hydroxide/silicon rubber insulation sizing material.
Embodiment 3
First by 100 parts of methyl vinyl silicon kautschuks, (molecular-weight average is 50 ~ 700,000, the mole percent level of vinyl is 0.05 ~ 0.3%) add in kneader, divide and add 25 parts of white carbon blacks, 35 parts of micron aluminium hydroxides, 12 parts of nano-aluminum hydroxides, 1 part of KH-560 silane coupling agent and 1 part of hexamethyldisilazane antistructurizing agent for 4 times, mediate 1.5 hours under 160 DEG C and vacuum (-0.08MPa) condition after whole material adds, discharging; Then put into mill, open refining smooth to sizing material, obtain rubber unvulcanizate.After rubber unvulcanizate being parked 24 hours, by rubber unvulcanizate bag roller on a mill until, add 1.5 parts of two two or five vulcanizing agents, thin-pass 5 times, can obtain used in composite insulator micro-nano aluminium hydroxide/silicon rubber insulation sizing material.
Embodiment 4
First by 100 parts of methyl vinyl silicon kautschuks, (molecular-weight average is 50 ~ 700,000, the mole percent level of vinyl is 0.05 ~ 0.3%) add in kneader, divide and add 25 parts of white carbon blacks, 35 parts of micron aluminium hydroxides, 12 parts of nano-aluminum hydroxides, 1 part of vinyltrimethoxy silane and 1 part of hexamethyldisilazane antistructurizing agent for 4 times, mediate 1.5 hours under 160 DEG C and vacuum (-0.08MPa) condition after whole material adds, discharging; Then put into mill, open refining smooth to sizing material, obtain rubber unvulcanizate.After rubber unvulcanizate being parked 24 hours, by rubber unvulcanizate bag roller on a mill until, add 1.5 parts of DCP vulcanizing agents, thin-pass 5 times, used in composite insulator micro-nano aluminium hydroxide/silicon rubber insulation sizing material can be obtained.
The used in composite insulator that embodiment 1-4 obtains micro-nano aluminium hydroxide/silicon rubber insulation sizing material carries out cure conditions: one section of molded vulcanization condition: pressure 10MPa, temperature 170 DEG C, curing time 10 minutes; Post vulcanization is placed 4 hours in 200 DEG C of constant temperature ovens, and carry out Performance Detection, concrete detected result is as shown in table 1.
The performance table of the used in composite insulator insulation compound that table 1 embodiment 1-4 obtains
| Embodiment | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 |
| Hardness (shore A) | 56 | 59 | 60 | 57 |
| Tensile strength MPa | 4.7 | 4.8 | 5.1 | 5.0 |
| Tear strength KN/m | 12.8 | 13.3 | 13.1 | 12.4 |
| Elongation % | 380 | 359 | 371 | 367 |
| Anti creepage trace | 1A4.5 | 1A4.5 | 1A4.5 | 1A4.5 |
Claims (9)
1. a micro-nano silicon rubber Composite rubber material for used in composite insulator, is characterized in that, its composition is counted by weight: methyl ethylene silicon rubber rubber, consumption 100 parts; Thermal silica, consumption 15 ~ 30 parts; Micron aluminium hydroxide, 30 ~ 40; Nano-aluminum hydroxide, 10 ~ 15; Antistructurizing agent, 1 ~ 2 part; Silane coupling agent, 1 ~ 2 part; Vulcanizing agent, 1 ~ 2 part.
2. the micro-nano silicon rubber Composite rubber material of a kind of used in composite insulator according to claim 1, is characterized in that, the molecular-weight average of described methyl vinyl silicon kautschuk is 50 ~ 700,000, and the mole percent level of vinyl is 0.05 ~ 0.3%.
3. the micro-nano silicon rubber Composite rubber material of a kind of used in composite insulator according to claim 1, is characterized in that, described white carbon black is thermal silica, and its specific surface area is at least 150 ~ 350m
2/ g, median size 10 ~ 30nm.
4. the micro-nano silicon rubber Composite rubber material of a kind of used in composite insulator according to claim 1, is characterized in that, the median size of described micron aluminium hydroxide is 1 ~ 5 micron; The median size of described nano-aluminum hydroxide is in 30 ~ 100 nanometers.
5. the micro-nano silicon rubber Composite rubber material of a kind of used in composite insulator according to claim 1, it is characterized in that, described antistructurizing agent is the hydroxy silicon oil of hexamethyldisilazane, Diphenylsilanediol, dimethyldimethoxysil,ne, dimethyldiethoxysilane, low molar mass.
6. the micro-nano silicon rubber Composite rubber material of a kind of used in composite insulator according to claim 1, is characterized in that, described silane coupling agent is KH-560, KH-570, vinyltrimethoxy silane, vinyltriethoxysilane.
7. the micro-nano silicon rubber Composite rubber material of a kind of used in composite insulator according to claim 1, is characterized in that, described vulcanizing agent is DCP, two 25.
8. according to the compound method of the micro-nano silicon rubber Composite rubber material of the used in composite insulator of claim 1-7 described in one of them, it is characterized in that, its preparation steps: first methyl vinyl silicon kautschuk is added in kneader, divide and add white carbon black, micro-nano aluminium hydroxide, silane coupling agent and appropriate antistructurizing agent for 3 ~ 5 times, mediate 1 ~ 2 hour under 150 ~ 170 DEG C and vacuum condition after whole material adds, discharging; Then put into mill, open refining smooth to sizing material, obtain rubber unvulcanizate.After rubber unvulcanizate being parked 20 ~ 25 hours, bag roller, adds vulcanizing agent on a mill until, thin-pass 3 ~ 5 times, can obtain the micro-nano aluminium hydroxide/silicon rubber insulation sizing material of described used in composite insulator.
9. the compound method of the micro-nano silicon rubber Composite rubber material of used in composite insulator according to claim 8, it is characterized in that, described vacuum tightness is-0.07 ~ 0.1MPa.
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| CN104893308A (en) * | 2015-05-29 | 2015-09-09 | 安徽同丰橡塑工业有限公司 | Porcelainized silicone rubber and preparation method thereof |
| CN105006287A (en) * | 2015-08-13 | 2015-10-28 | 成都德意塑料厂 | Cable material convenient for detecting electricity leakage tracking in real time and cable prepared by same |
| CN105175787A (en) * | 2015-07-21 | 2015-12-23 | 山东晨旭新材料股份有限公司 | Preparation method for composite insulator used active aluminum hydroxide |
| CN105885431A (en) * | 2016-05-28 | 2016-08-24 | 东莞市联洲知识产权运营管理有限公司 | Preparation method of silicone rubber umbrella skirt of composite insulator |
| CN107033602A (en) * | 2017-05-17 | 2017-08-11 | 醴陵市时代鑫湘科技有限公司 | Used in composite insulator high-strength silicone rubber insulating materials |
| CN107141812A (en) * | 2017-06-06 | 2017-09-08 | 浙江恒业成有机硅有限公司 | A kind of high temperature resistant type high-temperature silicon disulfide rubber and preparation method thereof |
| CN107418148A (en) * | 2017-08-08 | 2017-12-01 | 芜湖市凯鑫避雷器有限责任公司 | A kind of formula and its preparation technology of composite silicone rubber insulator |
| CN107935557A (en) * | 2017-12-13 | 2018-04-20 | 江西高强电瓷集团有限公司 | A kind of porcelain insulator and preparation method thereof |
| CN108795051A (en) * | 2018-06-29 | 2018-11-13 | 合肥择浚电气设备有限公司 | A kind of electric insulator umbrella sheath silicone rubber compound |
| CN108962426A (en) * | 2018-05-30 | 2018-12-07 | 中国科学院过程工程研究所 | A kind of silicon rubber insulation composite material, preparation method and use |
| CN109135002A (en) * | 2018-06-28 | 2019-01-04 | 西安唯实输配电技术有限公司 | A kind of polymer insulator material and preparation method thereof |
| CN109181626A (en) * | 2018-09-28 | 2019-01-11 | 黄旭东 | A kind of cell sealant |
| CN109762338A (en) * | 2019-01-14 | 2019-05-17 | 国网西藏电力有限公司 | Add the ultraviolet light resistant composite insulator material and preparation method of nano particle |
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| CN110467818A (en) * | 2019-08-23 | 2019-11-19 | 国网天津市电力公司 | A kind of non-linear silicon rubber compound insulator of micro-nano mixing ZnO and preparation process |
| CN110678509A (en) * | 2017-05-19 | 2020-01-10 | Abb瑞士股份有限公司 | Silicone rubber with ATH filler |
| CN110819033A (en) * | 2019-11-11 | 2020-02-21 | 内蒙古民族大学 | Nano high polymer material and preparation method thereof |
| CN112646294A (en) * | 2020-12-18 | 2021-04-13 | 成都硅宝科技股份有限公司 | Fluororubber/silicone rubber blended rubber and preparation method thereof |
| CN112940512A (en) * | 2021-02-05 | 2021-06-11 | 东莞市朗晟材料科技有限公司 | Temperature-resistant insulating silicone rubber, preparation method thereof and temperature-resistant insulating adhesive tape |
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| CN105175787A (en) * | 2015-07-21 | 2015-12-23 | 山东晨旭新材料股份有限公司 | Preparation method for composite insulator used active aluminum hydroxide |
| CN105006287A (en) * | 2015-08-13 | 2015-10-28 | 成都德意塑料厂 | Cable material convenient for detecting electricity leakage tracking in real time and cable prepared by same |
| CN105885431A (en) * | 2016-05-28 | 2016-08-24 | 东莞市联洲知识产权运营管理有限公司 | Preparation method of silicone rubber umbrella skirt of composite insulator |
| CN107033602A (en) * | 2017-05-17 | 2017-08-11 | 醴陵市时代鑫湘科技有限公司 | Used in composite insulator high-strength silicone rubber insulating materials |
| US11037697B2 (en) | 2017-05-19 | 2021-06-15 | Abb Power Grids Switzerland Ag | Silicone rubber with ATH filler |
| CN110678509A (en) * | 2017-05-19 | 2020-01-10 | Abb瑞士股份有限公司 | Silicone rubber with ATH filler |
| CN110678509B (en) * | 2017-05-19 | 2021-05-07 | Abb瑞士股份有限公司 | Silicone rubber with ATH filler |
| CN107141812A (en) * | 2017-06-06 | 2017-09-08 | 浙江恒业成有机硅有限公司 | A kind of high temperature resistant type high-temperature silicon disulfide rubber and preparation method thereof |
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| CN108962426A (en) * | 2018-05-30 | 2018-12-07 | 中国科学院过程工程研究所 | A kind of silicon rubber insulation composite material, preparation method and use |
| CN109135002A (en) * | 2018-06-28 | 2019-01-04 | 西安唯实输配电技术有限公司 | A kind of polymer insulator material and preparation method thereof |
| CN108795051A (en) * | 2018-06-29 | 2018-11-13 | 合肥择浚电气设备有限公司 | A kind of electric insulator umbrella sheath silicone rubber compound |
| CN109181626A (en) * | 2018-09-28 | 2019-01-11 | 黄旭东 | A kind of cell sealant |
| CN109762338A (en) * | 2019-01-14 | 2019-05-17 | 国网西藏电力有限公司 | Add the ultraviolet light resistant composite insulator material and preparation method of nano particle |
| CN110335728A (en) * | 2019-07-29 | 2019-10-15 | 河北硅谷化工有限公司 | A kind of novel insulator and its production technology |
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| CN112940512A (en) * | 2021-02-05 | 2021-06-11 | 东莞市朗晟材料科技有限公司 | Temperature-resistant insulating silicone rubber, preparation method thereof and temperature-resistant insulating adhesive tape |
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| CN114057158A (en) * | 2021-11-18 | 2022-02-18 | 吉林大学 | Method for realizing surface composite micro-nano structure processing by using stick-slip driving rollback phenomenon |
| CN114057158B (en) * | 2021-11-18 | 2024-04-09 | 吉林大学 | Method for processing surface composite micro-nano structure by using stick-slip driving rollback phenomenon |
| CN115558299A (en) * | 2022-11-01 | 2023-01-03 | 湖南兴诚电瓷电器有限公司 | Composite insulator umbrella skirt, preparation method thereof and insulator |
| CN115558299B (en) * | 2022-11-01 | 2023-05-12 | 湖南兴诚电瓷电器有限公司 | Composite insulator umbrella skirt, preparation method thereof and insulator |
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Application publication date: 20150513 |