CN111205650A - Production process flow and formula of high-voltage bare conductor insulating material - Google Patents
Production process flow and formula of high-voltage bare conductor insulating material Download PDFInfo
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- CN111205650A CN111205650A CN201811390888.9A CN201811390888A CN111205650A CN 111205650 A CN111205650 A CN 111205650A CN 201811390888 A CN201811390888 A CN 201811390888A CN 111205650 A CN111205650 A CN 111205650A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
- C08L83/04—Polysiloxanes
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
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Abstract
The invention discloses a production process flow and a formula of a high-voltage bare conductor insulating material, wherein the high-voltage conductor insulating material comprises 50-65% of hydroxyl-terminated polydimethylsiloxane, 6-7.5% of dimethyl silicone oil, 0.8-0.9% of acetylene carbon black, 5-8% of methyl tributyl ketoxime silane, 0.5-1.2% of vinyl tributyrinoxime silane, 0.6-0.8% of Y-aminopropyl ethoxysilane, 5-10% of quartz powder, 10-15% of hydrophobic fumed silica and 5-8% of hollow glass beads.
Description
Technical Field
The invention relates to the technical field of high-voltage conductors, in particular to a production process flow and a formula of a high-voltage bare conductor insulating material.
Background
The production process flow and the formula of the high-voltage bare conductor insulating material are one of important links in the high-voltage conductor, the quality problem of the conductor is regarded as the important importance of the high-voltage conductor, and therefore the production process flow and the formula of the high-voltage bare conductor insulating material are provided.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a production process flow and a formula of a high-voltage bare conductor insulating material.
In order to achieve the purpose, the invention adopts the following technical scheme:
a production process flow and a formula of a high-voltage bare conductor insulating material comprise the following process steps of dehydrating a hydrophobic fumed silica oven for 30-60 hours at 70-90 ℃ until the water content is lower than 0.8 percent; quartz powder is subjected to high-speed dispersion and vacuum dehydration for 105 ℃ for 2-3 hours, and the volatile matter is lower than 0.5 percent to be produced;
secondly, putting all hydroxyl-terminated polydimethylsiloxane, dimethyl silicon oil, acetylene carbon black and quartz powder into a matched and clean 1000L or 500L planetary barrel to propel a high-speed dispersion mixer, adding a lower stirring paddle, starting up to regulate the speed to 400 revolutions per minute, vacuumizing to-0.09 Mpa, and stirring for 5-15 minutes by connecting chilled water; removing vacuum, adding methyl tributyrinoxime silane to the lifting paddle, vacuumizing to-0.09 Mpa, and stirring at 400 rpm at the speed of 200 ℃ for 10-20 minutes; the speed is regulated to 100 times and 300 revolutions per minute, nitrogen is filled to relieve the vacuum, and the hydrophobic fumed silica is added in 2 to 3 times. Each addition requires: controlling the time to be 3-5 minutes, regulating the rotation speed to 400-700 rpm, vacuumizing to-0.09 Mpa after the hydrophobic gas-phase silicon dioxide is stirred for 2-5 minutes, regulating the rotation speed to 800 rpm, stirring for 10-20 minutes in a timing manner, and then adding the next time; after the last time of adding, stirring the hydrophobic fumed silica for 2-5 minutes, vacuumizing to-0.09 Mpa, adjusting the rotation speed to 800-;
finally, stopping the machine, relieving the vacuum by using nitrogen, quickly sampling by using a lifting paddle under the protection of the nitrogen to see the appearance, immediately putting down the stirring paddle, and starting to slowly vacuumize; if the appearance is found to be unqualified, high-speed delay stirring is maintained, a detector determines that the rotating speed (800-900 rpm) and the stirring time are not more than 20 minutes, the appearance is seen by repeated sampling after delay, and if the appearance is not qualified, the detector is processed by a technical department; adding vinyl tributyrinoxime silane after the consistency is qualified, regulating the speed to be 200-; each addition requires: controlling the time to be 3-5 minutes, adjusting the rotating speed to be 200-; after the last hollow glass bead is added and stirred for 2-5 minutes, the vacuum pumping is carried out to-0.09 Mpa, the Y-aminopropyl ethoxysilane is added, the rotating speed is adjusted to 200 plus materials for 500 r/min, and the stirring is carried out for 10-30 minutes in a timing way.
And (5) taking out the materials from the cylinder after the machine is stopped and the specific gravity is measured to be qualified, and sending the materials into a material pressing machine for subpackaging.
The discharge temperature is not higher than 60 ℃.
The temperature of the frozen water is 20 +/-4 ℃.
In the high-voltage wire insulating material, 50-65% of hydroxyl-terminated polydimethylsiloxane, 6-7.5% of dimethyl silicone oil, 0.8-0.9% of acetylene carbon black, 5-8% of methyl tributyrinoxime silane, 0.5-1.2% of vinyl tributyrinoxime silane, 0.6-0.8% of Y-aminopropylethoxysilane, 5-10% of quartz powder, 10-15% of hydrophobic fumed silica and 5-8% of hollow glass beads.
Compared with the prior art, the invention has the beneficial effects that: the production process flow and the formula of the high-voltage bare conductor insulating material have obvious insulating effect, so that the problems of personal safety and the like are solved, and the product is simple to manufacture, high in practical value and has certain application and popularization values.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the following embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
A production process flow and a formula of a high-voltage bare conductor insulating material comprise the following process steps of dehydrating a hydrophobic fumed silica oven for 30-60 hours at 70-90 ℃ until the water content is lower than 0.8 percent; quartz powder is subjected to high-speed dispersion and vacuum dehydration for 105 ℃ for 2-3 hours, and the volatile matter is lower than 0.5 percent to be produced;
secondly, putting all hydroxyl-terminated polydimethylsiloxane, dimethyl silicon oil, acetylene carbon black and quartz powder into a matched and clean 1000L or 500L planetary barrel to propel a high-speed dispersion mixer, adding a lower stirring paddle, starting up to regulate the speed to 400 revolutions per minute, vacuumizing to-0.09 Mpa, and stirring for 5-15 minutes by connecting chilled water; removing vacuum, adding methyl tributyrinoxime silane to the lifting paddle, vacuumizing to-0.09 Mpa, and stirring at 400 rpm at the speed of 200 ℃ for 10-20 minutes; the speed is regulated to 100 times and 300 revolutions per minute, nitrogen is filled to relieve the vacuum, and the hydrophobic fumed silica is added in 2 to 3 times. Each addition requires: controlling the time to be 3-5 minutes, regulating the rotation speed to 400-700 rpm, vacuumizing to-0.09 Mpa after the hydrophobic gas-phase silicon dioxide is stirred for 2-5 minutes, regulating the rotation speed to 800 rpm, stirring for 10-20 minutes in a timing manner, and then adding the next time; after the last time of adding, stirring the hydrophobic fumed silica for 2-5 minutes, vacuumizing to-0.09 Mpa, adjusting the rotation speed to 800-;
finally, stopping the machine, relieving the vacuum by using nitrogen, quickly sampling by using a lifting paddle under the protection of the nitrogen to see the appearance, immediately putting down the stirring paddle, and starting to slowly vacuumize; if the appearance is found to be unqualified, high-speed delay stirring is maintained, a detector determines that the rotating speed (800-900 rpm) and the stirring time are not more than 20 minutes, the appearance is seen by repeated sampling after delay, and if the appearance is not qualified, the detector is processed by a technical department; adding vinyl tributyrinoxime silane after the consistency is qualified, regulating the speed to be 200-; each addition requires: controlling the time to be 3-5 minutes, adjusting the rotating speed to be 200-; after the last hollow glass bead is added and stirred for 2-5 minutes, the vacuum pumping is carried out to-0.09 Mpa, the Y-aminopropyl ethoxysilane is added, the rotating speed is adjusted to 200 plus materials for 500 r/min, and the stirring is carried out for 10-30 minutes in a timing way.
And (5) taking out the materials from the cylinder after the machine is stopped and the specific gravity is measured to be qualified, and sending the materials into a material pressing machine for subpackaging.
The discharge temperature is not higher than 60 ℃.
The temperature of the frozen water is 20 +/-4 ℃.
In the high-voltage wire insulating material, 50-65% of hydroxyl-terminated polydimethylsiloxane, 6-7.5% of dimethyl silicone oil, 0.8-0.9% of acetylene carbon black, 5-8% of methyl tributyrinoxime silane, 0.5-1.2% of vinyl tributyrinoxime silane, 0.6-0.8% of Y-aminopropylethoxysilane, 5-10% of quartz powder, 10-15% of hydrophobic fumed silica and 5-8% of hollow glass beads.
The production process flow and the formula of the high-voltage bare conductor insulating material have obvious insulating effect, so that the problems of personal safety and the like are solved, and the product is simple to manufacture, high in practical value and has certain application and popularization values.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (5)
1. A production process flow and a formula of a high-voltage bare conductor insulating material are characterized in that: the process comprises the steps of firstly, dehydrating a hydrophobic fumed silica oven for 30-60 hours at 70-90 ℃ until the water content is lower than 0.8 percent; quartz powder is subjected to high-speed dispersion and vacuum dehydration for 105 ℃ for 2-3 hours, and the volatile matter is lower than 0.5 percent to be produced;
secondly, putting all hydroxyl-terminated polydimethylsiloxane, dimethyl silicon oil, acetylene carbon black and quartz powder into a matched and clean 1000L or 500L planetary barrel to propel a high-speed dispersion mixer, adding a lower stirring paddle, starting up to regulate the speed to 400 revolutions per minute, vacuumizing to-0.09 Mpa, and stirring for 5-15 minutes by connecting chilled water; removing vacuum, adding methyl tributyrinoxime silane to the lifting paddle, vacuumizing to-0.09 Mpa, and stirring at 400 rpm at the speed of 200 ℃ for 10-20 minutes; regulating the speed by 100 times and 300 revolutions per minute, filling nitrogen to remove vacuum, and adding hydrophobic fumed silica 2-3 times; each addition requires: controlling the time to be 3-5 minutes, regulating the rotation speed to 400-700 rpm, vacuumizing to-0.09 Mpa after the hydrophobic gas-phase silicon dioxide is stirred for 2-5 minutes, regulating the rotation speed to 800 rpm, stirring for 10-20 minutes in a timing manner, and then adding the next time; after the last time of adding, stirring the hydrophobic fumed silica for 2-5 minutes, vacuumizing to-0.09 Mpa, adjusting the rotation speed to 800-;
finally, stopping the machine, relieving the vacuum by using nitrogen, quickly sampling by using a lifting paddle under the protection of the nitrogen to see the appearance, immediately putting down the stirring paddle, and starting to slowly vacuumize; if the appearance is found to be unqualified, high-speed delay stirring is maintained, a detector determines that the rotating speed (800-900 rpm) and the stirring time are not more than 20 minutes, the appearance is seen by repeated sampling after delay, and if the appearance is not qualified, the detector is processed by a technical department; adding vinyl tributyrinoxime silane after the consistency is qualified, regulating the speed to be 200-; each addition requires: controlling the time to be 3-5 minutes, adjusting the rotating speed to be 200-; after the last hollow glass bead is added and stirred for 2-5 minutes, the vacuum pumping is carried out to-0.09 Mpa, the Y-aminopropyl ethoxysilane is added, the rotating speed is adjusted to 200 plus materials for 500 r/min, and the stirring is carried out for 10-30 minutes in a timing way.
2. The production process and formula of the insulating material for the high-voltage bare conductor according to claim 1, wherein the production process comprises the following steps: and (5) taking out the materials from the cylinder after the machine is stopped and the specific gravity is measured to be qualified, and sending the materials into a material pressing machine for subpackaging.
3. The production process and formula of the insulating material for the high-voltage bare conductor according to claim 1, wherein the production process comprises the following steps: the discharge temperature is not higher than 60 ℃.
4. The production process and formula of the insulating material for the high-voltage bare conductor according to claim 1, wherein the production process comprises the following steps: the temperature of the frozen water is 20 +/-4 ℃.
5. The production process and formula of the insulating material for the high-voltage bare conductor according to claim 1, wherein the production process comprises the following steps: in the high-voltage wire insulating material, 50-65% of hydroxyl-terminated polydimethylsiloxane, 6-7.5% of dimethyl silicone oil, 0.8-0.9% of acetylene carbon black, 5-8% of methyl tributyrinoxime silane, 0.5-1.2% of vinyl tributyrinoxime silane, 0.6-0.8% of Y-aminopropylethoxysilane, 5-10% of quartz powder, 10-15% of hydrophobic fumed silica and 5-8% of hollow glass beads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811390888.9A CN111205650A (en) | 2018-11-21 | 2018-11-21 | Production process flow and formula of high-voltage bare conductor insulating material |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811390888.9A CN111205650A (en) | 2018-11-21 | 2018-11-21 | Production process flow and formula of high-voltage bare conductor insulating material |
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| CN111205650A true CN111205650A (en) | 2020-05-29 |
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| CN201811390888.9A Pending CN111205650A (en) | 2018-11-21 | 2018-11-21 | Production process flow and formula of high-voltage bare conductor insulating material |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104109504A (en) * | 2014-07-08 | 2014-10-22 | 浙江汇杰有机硅股份有限公司 | Deeply-cured ketoxime type single-component room-temperature vulcanized silicon rubber and preparation method thereof |
| CN104610905A (en) * | 2014-12-30 | 2015-05-13 | 福建瑞森化工有限公司 | High-voltage-insulation sealing adhesive |
| CN106479430A (en) * | 2016-11-02 | 2017-03-08 | 嘉善天胶装饰材料有限公司 | A kind of high-temp glue and preparation method thereof |
-
2018
- 2018-11-21 CN CN201811390888.9A patent/CN111205650A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104109504A (en) * | 2014-07-08 | 2014-10-22 | 浙江汇杰有机硅股份有限公司 | Deeply-cured ketoxime type single-component room-temperature vulcanized silicon rubber and preparation method thereof |
| CN104610905A (en) * | 2014-12-30 | 2015-05-13 | 福建瑞森化工有限公司 | High-voltage-insulation sealing adhesive |
| CN106479430A (en) * | 2016-11-02 | 2017-03-08 | 嘉善天胶装饰材料有限公司 | A kind of high-temp glue and preparation method thereof |
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Application publication date: 20200529 |