CN102766502A - Insulating lubricating silicone grease not swollen in silicon rubber and preparation method thereof - Google Patents
Insulating lubricating silicone grease not swollen in silicon rubber and preparation method thereof Download PDFInfo
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- CN102766502A CN102766502A CN2012102366704A CN201210236670A CN102766502A CN 102766502 A CN102766502 A CN 102766502A CN 2012102366704 A CN2012102366704 A CN 2012102366704A CN 201210236670 A CN201210236670 A CN 201210236670A CN 102766502 A CN102766502 A CN 102766502A
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Abstract
The invention relates to insulating lubricating silicone grease not swollen in silicon rubber and a preparation method thereof. The insulating lubricating silicone grease is prepared from following raw materials in parts by weight: 100 parts of methyl phenyl silicone oil, 5-50 parts of thickening agent and 0.01-10 parts of surfactant, wherein the methyl phenyl silicone oil has the follow linear structural formula: Me-SiRR1-O-[-Me2Si-O-]m-[-SiRR1-O-]n-SiRR1-Me; in the formula, the Me is methyl, the R is phenyl and the R1 is one of the methyl, ethyl and the phenyl; and the raw materials are heated and kneaded to prepare the insulating lubricating silicone grease which is not swollen in the silicon rubber. The insulating lubricating silicone grease not swollen in the silicon rubber disclosed by the invention can be contacted with the silicon rubber for a longer period of time and is not swollen, and has the advantages of better lubricating performance, stronger sealing effect and longer working life; and the preparation method is simple, economical and practical.
Description
Technical field
The present invention relates to the insulating material that a kind of forceful electric power that is covered connects usefulness, more particularly, the present invention relates to a kind ofly be connected the supporting insulation lubricant its preparation method of Zylox with the forceful electric power that is covered.
Background technology
Forceful electric power is so-called high voltage electric, remains the main mode of domestic and international high efficiency of transmission electric energy at present, in national economy, plays irreplaceable effect.The electric power circuit of high voltage power transmission must be through many insulating shell or the intravital metal terminal of box, contacts of being coated on, could be different components, the position of power transmission in the electrical network, and the insulation-coated material of popularization and application is a Zylox day by day now.A large amount of these Zylox servings and wherein have high-tension metal terminal, contact; Be in for a long time by the older moon in all complicated climatopes that changes of indoor and outdoor; All erosion and influences such as the object application of force around receiving, temperature variation, sun exposure, the wet infiltration of water, as easy as rolling off a log ambient produces electric energy leakage, short circuit in various degree even burns circuit with accumulating over a long period.Yet; In order to increase work efficiency; Require metal terminal, contact easy for removal and installation again; This certainly will increase the gap between metal terminal/contact, insulation-coated thing interface and the external environment again, in order to solve above-mentioned contradiction, between the interface of metal terminal, contact and insulation-coated thing, applies the lubricated silicone grease with insulating property usually; In the hope of sealing isolated metal terminal, contact, can keep good lubricated, dismantling property again through the interfacial gap of insulation-coated thing and the communication of outside.
Traditional silicone grease is to be base mateiral by methyl-silicone oil or dimethyl silicone oil, the white carbon black of mechanically mixing, adds multiple functional agent and the translucent paste processed.Traditional silicone grease can bear the temperature variation of relative broad range, simultaneously, also has the good insulation performance performance, expands ductility, suitable viscosity and oilness.Be coated in lubricated silicone grease between terminal, contact and the Zylox serving interface can seal isolated between inside and outside directly/link up indirectly; Short circuit phenomenon such as inner high voltage electric passes through air, moisture, the dirt generation is creepage, flashover both can have been avoided; Stop the generation of major fault; And its oilness also is convenient to dismounting and installation between metal terminal, the contact, can increase work efficiency.
But swelling takes place in traditional silicone grease easily in the Zylox serving; Silicone grease will infiltrate Zylox after for some time; Cause serving and silicone grease sex change, interfacial gap reproduction, seal failure, insulation and lubricity to descend, working life shortens, and is difficult to keep secular insulated enclosure effect.Therefore a kind of the contact for a long time with Zylox is provided and non-swelling insulation is lubricated silicone grease and become the task of top priority day by day.
Summary of the invention
Above-mentioned shortcoming to prior art; The objective of the invention is to provide a kind of lubricated silicone grease of insulation that does not swell in Zylox and preparation method thereof; The lubricated silicone grease of this insulation has following advantage: can contact for a long time with Zylox and swelling not, lubricity is more good, and seal effectiveness is stronger; Working life is longer, and preparing method's simple economy is practical.
For this reason, one of technical solution of the present invention is a kind of lubricated silicone grease of insulation that does not swell in Zylox, and the lubricated silicone grease of this insulation adopts the raw material of following weight part:
Methyl phenyl silicone oil: 100 parts,
Thickening material: 5～50 parts,
Surface-modifying agent: 0.01～10 part;
Said methyl phenyl silicone oil has the structural formula of following line style:
Me-SiRR1-O-[-Me
2Si-O-]
m-[-SiRR1-O-]
n-SiRR1-Me，
In the formula, Me is a methyl, and R is a phenyl, and R1 is a kind of in methyl, ethyl, the phenyl;
Above-mentioned raw materials makes the said lubricated silicone grease of insulation that does not swell in Zylox through heating, mediating.
Matrix material of the present invention adopts a kind of silicone oil that has phenyl substituent as raw material originally, to reduce the interaction between silicone oil and the Zylox; In addition; The present invention's lubricated silicone grease product that insulate has increased surface-modifying agent between thickening material and raw material silicone oil; A series of activities performances such as stability with the effect between further reduction silicone oil and the Zylox, the lubricated silicone grease product self of increase insulation simultaneously; Measured data proves: the present invention's lubricated silicone grease product that insulate, anti swelling can significantly increase by 15 times (being that swelling property is traditional 1/15), and the high temperature lubricating performance improves about 1.5 times (being that high temperature friction coefficient is traditional 1/1.49); Stability improves about 16 times (promptly oil is traditional 1/16 from degree); The temperature tolerance of waterproof sealing/persistence improves 60 ℃ * 7 times, and promptly working life significantly increases, and is electric grade for property retention is good.
For further improving stability, the safety of the multiple superperformance of material of the present invention, the present invention improves and also comprises:
Viscosity is 500-25000mPaS during 25 ℃ of said methyl phenyl silicone oils; In the said structural formula, the m span is 10000 >=m >=1, and the n span is 5600＞n >=0.
Said thickening material comprises: particle diameter is 10nm-100nm, specific surface area 100-500m
2The WHITE CARBON BLACK of/g, particle diameter are 0.01-3um, specific surface area 50-100m
2The tetrafluoroethylene of/g is wherein a kind of.
Said surface-modifying agent comprises: silane coupling agent, chlorosilane class coupling agent, type siloxane coupling agent are wherein a kind of.
Wherein, said silane coupling agent is KH-560 (γ-glycidyl ether oxygen propyl trimethoxy silicane), KH-550 (γ-An Bingjisanyiyangjiguiwan), KH-570 (gamma-methyl allyl acyloxypropyl trimethoxysilane) one of them;
Said chlorosilane class coupling agent has molecular formula R
KSiX
L, wherein R is a methyl, X is a chlorine, 4>=K, L>=1;
Said type siloxane coupling agent is YSR 3286 (PDMS), SWS-F 221 (MM), octamethyltrisiloxane (MDM), decamethyl tetrasiloxane (MD
2M), 1,3,5,7-tetramethyl-1,3,5,7-tetrem thiazolinyl cyclotetrasiloxane (TMTV-CTSO), 1,3,5,7-tetramethyl--1,3,5,7-tetrahydrochysene cyclotetrasiloxane (TMTH-CTSO), hexamethyl cyclotrisiloxane are wherein a kind of.
For further improving the workability of material of the present invention, the present invention improves and also comprises:
On the basis of 100 parts of methyl phenyl silicone oils, the lubricated silicone grease of said insulation also comprises the raw material of following weight part: thixotropic agent: 0～10 part; Said thixotropic agent is at least a in organobentonite, asbestos, the polyoxyethylene glycol (PEG).
On the basis of 100 parts of methyl phenyl silicone oils, the lubricated silicone grease of said insulation also comprises the raw material of following weight part: viscosity modifier: 0～10 part; Said viscosity modifier is silazane, silane coupling agent KH-560 (γ-glycidyl ether oxygen propyl trimethoxy silicane), KH-550 (γ-An Bingjisanyiyangjiguiwan), at least a among the KH-570 (gamma-methyl allyl acyloxypropyl trimethoxysilane).
Be the standing storage performance and prolongation working life that further improve material of the present invention, the present invention improves and also comprises:
On the basis of 100 parts of methyl phenyl silicone oils, the lubricated silicone grease of said insulation also comprises the raw material of following weight part: mould inhibitor: 0～10 part; Said mould inhibitor is 10, at least a in the two phenoxazine arsenic (OBPA) of 10 '-oxo, the quaternary ammonium salt.
Correspondingly, another technical solution of the present invention is a kind of preparation method who does not swell in the lubricated silicone grease of insulation of Zylox as stated, and it comprises the steps:
A1) add said raw material in the kneader, start and heat up; A2) keep to heat up, start and mediate, until homo(io)thermism in 110-120 ℃; A3) vacuumize after being warming up to homo(io)thermism, keep simultaneously mediating; A4) vacuumize the back and keep mediating 10-120 minute, stop heating, cooling; A4) stop to mediate the lubricated silicone grease product of the said insulation of cooling output after temperature is reduced to 50-70 ℃.
The preparation method of matrix material of the present invention adopts very general equipment, unusual simple technical flow, and the lubricated silicone grease of the insulation that does not swell in Zylox is prepared in the production of suiting measures to local conditions.Technical economic benefit is obvious.
For further increasing the process flexibility of material prescription of the present invention, adapt to plurality of raw materials source and plurality of raw materials molecular structure more, the inventive method is improved and is also comprised:
The time length of mediating in the said steps A 2 and heating up is 30-90 minute; Comprise steps A 0 before the said steps A 1) promptly: earlier surface-modifying agent and thickening material are added in the kneader, under 110-120 ℃ of temperature, mediated 10-120 minute, add methyl phenyl silicone oil again, beginning steps A 1.
Below in conjunction with specific embodiment technical scheme of the present invention is described further.
Embodiment
Embodiment 1
In 5 liters of vacuum kneaders, add 100 parts of methyl phenyl silicone oils (viscosity is 1000mPaS), thermal silica (20nm, 100m
2/ g) 15 parts, (0.2um, specific surface area is 60m to organobentonite
2/ g) 5 parts, KH-5601 part.Heat up (top temperature is no more than 120 degree) in the limit, mediate on the limit, vacuumizes after one hour again; Stop heating after 20 minutes,, add 5 parts of polyoxyethylene glycol (molecular weight is 4000) again when temperature drops to 90 when spending; Industrial fungicide OBPA0.2 part, mediating can the discharging packing after five minutes.
Embodiment 2
In 5 liters of vacuum kneaders, add 100 parts of methyl phenyl silicone oils (viscosity is 12500mPaS), through silane coupler modified thermal silica (50nm, 380m
2/ g) 25 parts, KH-5705 part.Heat up (top temperature is no more than 120 degree) in the limit, mediate on the limit, vacuumized after the homo(io)thermism 1 hour, is warming up to 170 degree once more, reacts to stop heating after 1 hour, stops to mediate sealing cooling, discharging packing.
The technical indicator of the lubricated silicone grease finished product of table 1 insulation
Therefore: compare conventional lubrication silicone grease product; The present invention is insulated and is lubricated the silicone grease product; Anti swelling can significantly increase by 15 times (being that swelling property is traditional 1/15=0.3/4.5); The high temperature lubricating performance improves about 1.5 times (being that high temperature friction coefficient is traditional 1/1.49=0.63/0.94), and stability improves about 16 times (promptly oil is traditional 1/16=0.5/8.0 from degree), and the temperature tolerance of waterproof sealing/persistence improves 60 ℃ * 7 (i.e. [165 ℃-105 ℃] * [168h/24h]) doubly; Working life significantly increases, and the is electric property retention of Denging is good.Therefore; The lubricated silicone grease of this insulation of the present invention has better not swelling behavior, excellent lubricating properties more, stronger seal effectiveness; Longer working life, and the lubricated silicone grease preparation method of this insulation of the present invention simple, economical, have a better prospects for commercial application.
Claims (10)
1. silicone grease is lubricated in an insulation that does not swell in Zylox, and the lubricated silicone grease of this insulation adopts the raw material of following weight part: methyl phenyl silicone oil: 100 parts,
Thickening material: 5～50 parts,
Surface-modifying agent: 0.01～10 part;
Said methyl phenyl silicone oil has the structural formula of following line style:
Me-SiRR1-O-[-Me
2Si-O-]
m-[-SiRR1-O-]
n-SiRR1-Me，
In the formula, Me is a methyl, and R is a phenyl, and R1 is a kind of in methyl, ethyl, the phenyl;
Above-mentioned raw materials makes the said lubricated silicone grease of insulation that does not swell in Zylox through heating, mediating.
2. the lubricated silicone grease of the insulation that does not swell in Zylox as claimed in claim 1 is characterized in that: viscosity is 500-25000mPaS during 25 ℃ of said methyl phenyl silicone oils; In the said structural formula, the m span is 10000 >=m >=1, and the n span is 5600＞n >=0.
3. the lubricated silicone grease of insulation that does not swell in Zylox as claimed in claim 1, it is characterized in that: said thickening material comprises: particle diameter is 10nm-100nm, specific surface area 100-500m
2The WHITE CARBON BLACK of/g, particle diameter are 0.01-3um, specific surface area 50-100m
2The tetrafluoroethylene of/g is wherein a kind of.
4. the lubricated silicone grease of the insulation that does not swell in Zylox as claimed in claim 1, it is characterized in that: said surface-modifying agent comprises: silane coupling agent, chlorosilane class coupling agent, type siloxane coupling agent are wherein a kind of.
5. the lubricated silicone grease of insulation that does not swell in Zylox as claimed in claim 4; It is characterized in that: wherein; Said silane coupling agent is KH-560 (γ-glycidyl ether oxygen propyl trimethoxy silicane), KH-550 (γ-An Bingjisanyiyangjiguiwan), KH-570 (gamma-methyl allyl acyloxypropyl trimethoxysilane) one of them;
Said chlorosilane class coupling agent has molecular formula R
KSiX
L, wherein R is a methyl, X is a chlorine, 4>=K, L>=1;
Said type siloxane coupling agent is YSR 3286 (PDMS), SWS-F 221 (MM), octamethyltrisiloxane (MDM), decamethyl tetrasiloxane (MD
2M), 1,3,5,7-tetramethyl-1,3,5,7-tetrem thiazolinyl cyclotetrasiloxane (TMTV-CTSO), 1,3,5,7-tetramethyl--1,3,5,7-tetrahydrochysene cyclotetrasiloxane (TMTH-CTSO), hexamethyl cyclotrisiloxane are wherein a kind of.
6. the lubricated silicone grease of insulation that does not swell in Zylox as claimed in claim 1 is characterized in that: on the basis of 100 parts of methyl phenyl silicone oils, the lubricated silicone grease of said insulation also comprises the raw material of following weight part: thixotropic agent: 0～10 part; Said thixotropic agent is at least a in organobentonite, asbestos, the polyoxyethylene glycol (PEG).
7. the lubricated silicone grease of insulation that does not swell in Zylox as claimed in claim 1 is characterized in that: on the basis of 100 parts of methyl phenyl silicone oils, the lubricated silicone grease of said insulation also comprises the raw material of following weight part: viscosity modifier: 0～10 part; Said viscosity modifier is silazane, silane coupling agent KH-560 (γ-glycidyl ether oxygen propyl trimethoxy silicane), KH-550 (γ-An Bingjisanyiyangjiguiwan), at least a among the KH-570 (gamma-methyl allyl acyloxypropyl trimethoxysilane).
8. the lubricated silicone grease of insulation that does not swell in Zylox as claimed in claim 1 is characterized in that: on the basis of 100 parts of methyl phenyl silicone oils, the lubricated silicone grease of said insulation also comprises the raw material of following weight part: mould inhibitor: 0～10 part; Said mould inhibitor is 10, at least a in the two phenoxazine arsenic (OBPA) of 10 '-oxo, the quaternary ammonium salt.
9. preparation method like the lubricated silicone grease of the said insulation that does not swell in Zylox of one of claim 1-8, it comprises the steps: A1) add said raw material in the kneader, start and heat up; A2) keep to heat up, start and mediate, until homo(io)thermism in 110-120 ℃; A3) vacuumize after being warming up to homo(io)thermism, keep simultaneously mediating; A4) vacuumize the back and keep mediating 10-120 minute, stop heating, cooling; A4) stop to mediate the lubricated silicone grease product of the said insulation of cooling output after temperature is reduced to 50-70 ℃.
10. the preparation method who does not swell in the lubricated silicone grease of insulation of Zylox as claimed in claim 9, it is characterized in that: the time length of kneading and intensification is 30-90 minute in the said steps A 2; Comprise steps A 0 before the said steps A 1) promptly: earlier surface-modifying agent and thickening material are added in the kneader, under 110-120 ℃ of temperature, mediated 10-120 minute, add methyl phenyl silicone oil again, beginning steps A 1.
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| CN201210236670.4A CN102766502B (en) | 2012-07-10 | 2012-07-10 | Insulating lubricating silicone grease not swollen in silicon rubber and preparation method thereof |
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| CN102766502B CN102766502B (en) | 2014-07-23 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105733754A (en) * | 2016-01-27 | 2016-07-06 | 深圳市旭生三益科技有限公司 | Fluorosilicone oil-containing insulated lubricating grease and preparation method thereof |
| CN107129684A (en) * | 2017-04-24 | 2017-09-05 | 武汉博达特种润滑技术有限公司 | Insulated enclosure oil/fat composition for cable accessory and preparation method thereof |
| CN115678017A (en) * | 2022-10-24 | 2023-02-03 | 东莞市欧迪斯润滑剂科技有限公司 | Silicone grease and preparation process thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101870905A (en) * | 2009-04-24 | 2010-10-27 | 东莞太平洋博高润滑油有限公司 | Organic silicon lubricating grease and preparation method thereof |
-
2012
- 2012-07-10 CN CN201210236670.4A patent/CN102766502B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101870905A (en) * | 2009-04-24 | 2010-10-27 | 东莞太平洋博高润滑油有限公司 | Organic silicon lubricating grease and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 律微波等: "国内苯基硅油产品现状和应用", 《有机硅材料》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105733754A (en) * | 2016-01-27 | 2016-07-06 | 深圳市旭生三益科技有限公司 | Fluorosilicone oil-containing insulated lubricating grease and preparation method thereof |
| CN105733754B (en) * | 2016-01-27 | 2020-01-21 | 深圳市旭生三益科技有限公司 | Insulating lubricating grease containing fluorosilicone oil and preparation method thereof |
| CN107129684A (en) * | 2017-04-24 | 2017-09-05 | 武汉博达特种润滑技术有限公司 | Insulated enclosure oil/fat composition for cable accessory and preparation method thereof |
| CN115678017A (en) * | 2022-10-24 | 2023-02-03 | 东莞市欧迪斯润滑剂科技有限公司 | Silicone grease and preparation process thereof |
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| CN102766502B (en) | 2014-07-23 |
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