CN113292859A - Nano-modified rapid-forming high-molecular insulating material and preparation method thereof - Google Patents

Nano-modified rapid-forming high-molecular insulating material and preparation method thereof Download PDF

Info

Publication number
CN113292859A
CN113292859A CN202110737694.7A CN202110737694A CN113292859A CN 113292859 A CN113292859 A CN 113292859A CN 202110737694 A CN202110737694 A CN 202110737694A CN 113292859 A CN113292859 A CN 113292859A
Authority
CN
China
Prior art keywords
nano
stirring
zinc oxide
silicon dioxide
rapid prototyping
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN202110737694.7A
Other languages
Chinese (zh)
Other versions
CN113292859B (en
Inventor
李文波
王仓继
孙换春
肖鹏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shaanxi Energy Research Institute Co Ltd
Original Assignee
Shaanxi Energy Research Institute Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shaanxi Energy Research Institute Co Ltd filed Critical Shaanxi Energy Research Institute Co Ltd
Priority to CN202110737694.7A priority Critical patent/CN113292859B/en
Publication of CN113292859A publication Critical patent/CN113292859A/en
Application granted granted Critical
Publication of CN113292859B publication Critical patent/CN113292859B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • 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
    • C08K9/00—Use of pretreated ingredients
    • C08K9/04—Ingredients treated with organic substances
    • C08K9/06—Ingredients treated with organic substances with silicon-containing compounds
    • 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
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • 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
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/34—Silicon-containing compounds
    • C08K3/36—Silica
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D183/00—Coating compositions based on 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; Coating compositions based on derivatives of such polymers
    • C09D183/04—Polysiloxanes
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/60—Additives non-macromolecular
    • C09D7/61—Additives non-macromolecular inorganic
    • C09D7/62—Additives non-macromolecular inorganic modified by treatment with other compounds
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/66—Additives characterised by particle size
    • C09D7/67—Particle size smaller than 100 nm
    • 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
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K2003/2296—Oxides; Hydroxides of metals of zinc
    • 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
    • C08K2201/002—Physical properties
    • C08K2201/005—Additives being defined by their particle size in general
    • 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
    • C08K2201/011—Nanostructured additives
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00—Properties
    • C08L2201/08—Stabilised against heat, light or radiation or oxydation
    • 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
    • C08L2203/202—Applications use in electrical or conductive gadgets use in electrical wires or wirecoating

Abstract

The invention aims to provide a nano modified rapid prototyping polymer insulating material, which specifically comprises the following components: the silicone rubber, the nano zinc oxide and the nano silicon dioxide are distributed according to the mass ratio as follows: the nano zinc oxide with the mass ratio of 2.4-7% and the nano silicon dioxide with the mass ratio of 1.2-7.2% are added into the silicone rubber, so that the temperature conditions of gelation and curing are improved and the gelation and curing time is shortened while the insulation performance of the silicone rubber material is considered; the invention also provides a preparation method of the nano modified rapid prototyping polymer insulating material.

Description

Nano-modified rapid-forming high-molecular insulating material and preparation method thereof
Technical Field
The invention belongs to the technical field of high-voltage insulating materials, and relates to a nano modified rapid prototyping polymer insulating material;
the invention also relates to a preparation method of the nano modified rapid prototyping polymer insulating material.
Background
With the rapid development of power distribution networks, the scale of the power distribution networks is gradually enlarged, and the importance of the power distribution networks is increasingly promoted. The overhead line is used as an important component of the power distribution network, has a complex structure and wide distribution, but has severe operation condition and old line, and the proportion of bare conductors in the overhead line is higher;
the existing maintenance of the overhead bare conductor mostly adopts replacement of the overhead bare conductor with an insulated conductor or maintenance and reconstruction by adopting other process modes, the replacement of the insulated conductor is high in cost and long in time consumption, and the existing process and reconstruction are subjected to various objective environment elbows, such as incapability of forming in a low-temperature environment, incapability of operating in winter, unsatisfactory heat-conducting performance and aging resistance and the like;
based on the above problems, the present invention provides an on-line live bare conductor insulation coating platform and a bare conductor coating insulation material.
Disclosure of Invention
The invention aims to provide a nano modified rapid prototyping polymer insulating material, which improves the environmental conditions of gelation and solidification and shortens the time required by gelation and solidification while considering the electrical insulation of a silicone rubber material; the heat-conducting property and the aging resistance of the insulating material are enhanced.
The invention also aims to provide a preparation method of the nano modified rapid prototyping polymer insulating material.
The first technical scheme of the invention is that the nano modified rapid prototyping polymer insulating material specifically comprises the following components: the silicone rubber, the nano zinc oxide and the nano silicon dioxide are distributed according to the mass ratio as follows: adding 2.4-7% of nano zinc oxide into the silicone rubber by mass ratio; 1.2 to 7.2 percent of nano silicon dioxide.
The first technical solution of the present invention is also characterized in that:
wherein the particle size of the nano zinc oxide is 30-70nm, and the particle size of the nano silicon dioxide is 30-70 nm.
The second technical scheme of the invention is that the preparation method of the nano modified rapid prototyping polymer insulating material, which adopts the nano modified rapid prototyping polymer insulating material, is implemented according to the following steps:
step 1, weighing a certain amount of nano zinc oxide and nano silicon dioxide according to a mass ratio;
step 2, performing surface treatment on the nano zinc oxide and the nano silicon dioxide weighed in the step 1;
step 3, placing the nano zinc oxide and the nano silicon dioxide processed in the step 2 into a beaker, and adding silicone rubber according to a mass ratio to obtain a mixed colloid;
and 4, stirring and dispersing the mixed colloid obtained in the step 3, and after the nano zinc oxide and the nano silicon dioxide are uniformly dispersed, obtaining the mixed colloid nano modified polymer composite insulating material.
The second technical solution of the present invention is also characterized in that:
wherein the surface treatment in the step 2 is implemented according to the following steps:
step 2.1, putting the weighed nano zinc oxide powder into a beaker, adding anhydrous ethanol with the mass ratio of 400% for full dilution, and mechanically adding ultrasonic waves for stirring uniformly;
step 2.2, preparing a KH550 solution, weighing KH550 with the weight of 10% of the nano zinc oxide powder, placing the KH550 solution into a small beaker, adding purified water with half the mass of the KH550, adding absolute ethyl alcohol with the mass of 3.5 times of the KH550, and uniformly mixing for later use;
step 2.3, adding the solution prepared in the step 2.2 into the solution diluted in the step 2.1, mechanically adding ultrasonic waves, uniformly stirring for 40min, putting into an oven after stirring, drying, and grinding with a clean mortar for later use;
step 2.4, putting the weighed nano silicon dioxide into a beaker, adding anhydrous ethanol with the mass ratio of 400% for full dilution, and mechanically adding ultrasonic waves for stirring uniformly;
step 2.5, preparing a KH550 solution, weighing KH550 with the weight of 10% of the nano-silica, placing the KH550 solution in a small beaker, adding purified water with half the mass of the KH550, adding absolute ethyl alcohol with the mass of 3.5 times of that of the KH550, and uniformly mixing for later use;
step 2.6, after the stirring in the step 2.4 is finished, adding the solution prepared in the step 2.2, mechanically adding ultrasonic waves, uniformly stirring for 40min, putting the mixture into an oven after the stirring is finished, and grinding the mixture by using a clean mortar for later use after drying;
wherein in the step 2.1, the stirring time is not less than 20min, and the rotating speed is 225 r/min;
wherein the dispersing and stirring time in the step 4 is not more than 7 min.
The invention has the beneficial effects that:
the filling of the nano zinc oxide and the nano silicon dioxide in the nano modified rapid prototyping polymer insulating material improves the adhesion and coating of the silicone rubber, improves the gelling condition and the curing condition of the silicone rubber, and enables the silicone rubber to be rapidly gelled and cured at normal temperature and low temperature; meanwhile, the gel time and the curing time of the gel are shortened under the low-temperature and normal-temperature states; the heat-conducting property and the aging resistance of the material are improved.
Drawings
FIG. 1 is a flow chart of a method for preparing a nano-modified rapid prototyping polymer insulation material of the present invention;
FIG. 2 is a graph showing the curing time curves in the 20 ℃ environment and the 0 ℃ environment of example 1 and other groups in the preparation method of the nano-modified rapid prototyping polymer insulation material of the present invention;
FIG. 3 is a gel time curve of the 20 ℃ environment and the 0 ℃ environment of example 1 and other groups in the preparation method of the nano-modified rapid prototyping polymer insulation material of the present invention;
FIG. 4 is a graph showing the thermal conductivity of example 2 and other groups in the method for preparing a nano-modified rapid prototyping polymer insulation material of the present invention;
fig. 5 is a graph showing the aging tendency of example 3 and other groups in the method for preparing a nano-modified rapid prototyping polymer insulation material of the present invention.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
The invention provides a nano modified rapid prototyping polymer insulating material, which specifically comprises the following components in percentage by weight: adding 2.4-7% of nano zinc oxide by mass into silicone rubber, and adding 1.2-7.2% of nano silicon dioxide by mass into the silicone rubber, wherein the particle size of the nano zinc oxide is 30-70nm, and the particle size of the nano silicon dioxide is 30-70 nm.
The invention also provides a preparation method of the nano modified rapid prototyping polymer insulating material, which adopts the nano modified rapid prototyping polymer insulating material, as shown in figure 1, and is implemented by the following steps:
step 1, weighing nano zinc oxide and nano silicon dioxide according to mass;
step 2, carrying out surface treatment on the nano zinc oxide and the nano silicon dioxide weighed in the step 1:
the surface treatment is specifically carried out according to the following steps:
step 2.1, putting the weighed nano zinc oxide powder into a beaker, adding anhydrous ethanol with the mass ratio of 400% for fully diluting, and mechanically adding ultrasonic waves for uniformly stirring; the stirring time is not less than 20min, and the rotating speed is 225 r/min.
Step 2.2, preparing a KH550 solution, weighing KH550 with the weight of 10% of the nano zinc oxide powder, placing the KH550 solution into a small beaker, adding purified water with half the mass of the KH550, adding absolute ethyl alcohol with the mass of 3.5 times of the KH550, and uniformly mixing for later use;
step 2.3, adding the solution prepared in the step 2.2 into the solution diluted in the step 2.1, mechanically adding ultrasonic waves, uniformly stirring for 40min, putting into an oven after stirring, drying, and grinding with a clean mortar for later use;
step 2.4, putting the weighed nano silicon dioxide into a beaker, adding anhydrous ethanol with the mass ratio of 400% for full dilution, and mechanically adding ultrasonic waves for stirring uniformly;
step 2.5, preparing a KH550 solution, weighing KH550 with the weight of 10% of the nano-silica, placing the KH550 solution in a small beaker, adding purified water with half the mass of the KH550, adding absolute ethyl alcohol with the mass of 3.5 times of that of the KH550, and uniformly mixing for later use;
step 2.6, after the stirring in the step 2.4 is finished, adding the solution prepared in the step 2.2, mechanically adding ultrasonic waves, uniformly stirring for 40min, putting the mixture into an oven after the stirring is finished, and grinding the mixture by using a clean mortar for later use after drying;
step 3, placing the nano zinc oxide and the nano silicon dioxide processed in the step 2 into a beaker, and adding silicone rubber according to a mass ratio to obtain a mixed colloid;
and 4, stirring and dispersing the mixed colloid obtained in the step 3 for no more than 7min, and after the nano zinc oxide and the nano silicon dioxide are uniformly dispersed, obtaining the mixed colloid nano modified polymer composite insulating material.
Example 1
A preparation method of a nano modified rapid prototyping polymer insulating material is implemented according to the following steps:
step 1, weighing 3.5g of nano zinc oxide and 2.1g of nano silicon dioxide according to the mass; the grain size of the nano zinc oxide is 70 nm; nano silicon dioxide with the powder particle size of 70 nm;
step 2, carrying out surface treatment on the nano zinc oxide and the nano silicon dioxide weighed in the step 1:
step 2.1, putting the weighed ZnO powder into a beaker, adding anhydrous ethanol with the mass ratio of 400% for full dilution, and mechanically adding ultrasonic waves for stirring uniformly (the time is more than or equal to 20min, and the rotating speed is 225 r/min);
step 2.2, preparing a KH550 solution, weighing KH550 with the weight of 10% of ZnO powder, placing the KH550 solution into a small beaker, adding purified water with half of the mass of the KH550, adding absolute ethyl alcohol with the mass of 3.5 times of the KH550, and uniformly mixing for later use;
step 2.3, after the stirring in the step 2.1 is finished, adding the solution prepared in the step 2.2, mechanically adding ultrasonic waves, uniformly stirring for 40min (the rotating speed is 225r/min), putting into an oven after the stirring is finished, drying, and grinding with a clean mortar for later use;
step 2.4, putting the weighed SiO2 powder into a beaker, adding anhydrous ethanol with the mass ratio of 400% for full dilution, mechanically adding ultrasonic waves for stirring uniformly (the time is more than or equal to 20min, and the rotating speed is 225r/min)
Step 2.5, preparing a KH550 solution, weighing KH550 with the weight of 10% of the SiO2 powder, placing the KH550 into a small beaker, adding purified water with half the mass of the KH550, adding absolute ethyl alcohol with the mass of 3.5 times of the KH550, and uniformly mixing for later use;
step 2.6, after the stirring in the step 2.4 is finished, adding the solution prepared in the step 2.2, mechanically adding ultrasonic waves, uniformly stirring for 40min (the rotating speed is 225r/min), putting into an oven after the stirring is finished, drying, and grinding with a clean mortar for later use;
step 3, putting the nano zinc oxide and the nano silicon dioxide processed in the step 2 into a beaker, and adding 100g of silicone rubber according to the mass ratio;
step 4, stirring and dispersing the mixed colloid obtained in the step 3 for less than or equal to 7min, after the nano zinc oxide and the nano silicon dioxide are uniformly dispersed, obtaining a mixed colloid nano modified polymer composite insulating material, taking two groups of samples, respectively placing the samples into an environment at 0 ℃ and an environment at 20 ℃, and observing the gel time and the curing time of the 20 ℃ environment and the 0 ℃ environment, wherein the curing time of the filler gel with different proportions is shown in tables 1 and 2, and fig. 2 and 3;
table 1 shows the gel time and the curing time in an environment of 0 deg.C
Figure BDA0003140464690000071
As can be seen from Table 1, the gel time and curing time of the modified insulation material at 0 ℃ are greatly reduced with the addition of the nano-filler
Table 2 shows the gel time and the curing time in an environment of 20 ℃
Figure BDA0003140464690000081
As can be seen from Table 2, the gel time and curing time of the modified insulation material at 20 ℃ are greatly reduced with the addition of the nano-filler
Example 2
A preparation method of a nano modified rapid prototyping polymer insulating material is implemented according to the following steps:
step 1, weighing 7.0g of nano zinc oxide and 2.4g of nano silicon dioxide according to the mass, wherein the particle size of the nano silicon dioxide is 50nm, and the particle size of the nano zinc oxide is 50 nm;
step 2, carrying out surface treatment on the nano zinc oxide and the nano silicon dioxide weighed in the step 1:
step 2.1, putting the weighed ZnO powder into a beaker, adding anhydrous ethanol with the mass ratio of 400% for full dilution, and mechanically adding ultrasonic waves for stirring uniformly (the time is more than or equal to 20min, and the rotating speed is 225 r/min);
step 2.2, preparing a KH550 solution, weighing KH550 with the weight of 10% of ZnO powder, placing the KH550 solution into a small beaker, adding purified water with half of the mass of the KH550, adding absolute ethyl alcohol with the mass of 3.5 times of the KH550, and uniformly mixing for later use;
step 2.3, after the stirring in the step 2.1 is finished, adding the solution prepared in the step 2.2, mechanically adding ultrasonic waves, uniformly stirring for 40min (the rotating speed is 225r/min), putting into an oven after the stirring is finished, drying, and grinding with a clean mortar for later use;
step 2.4, putting the weighed SiO2 powder into a beaker, adding anhydrous ethanol with the mass ratio of 400% for full dilution, and mechanically adding ultrasonic waves for stirring uniformly (the time is more than or equal to 20min, and the rotating speed is 225 r/min);
step 2.5, preparing a KH550 solution, weighing KH550 with the weight of 10% of the SiO2 powder, placing the KH550 into a small beaker, adding purified water with half the mass of the KH550, adding absolute ethyl alcohol with the mass of 3.5 times of the KH550, and uniformly mixing for later use;
step 2.6, after the stirring in the step 2.4 is finished, adding the solution prepared in the step 2.2, mechanically adding ultrasonic waves, uniformly stirring for 40min (the rotating speed is 225r/min), putting into an oven after the stirring is finished, drying, and grinding with a clean mortar for later use;
step 3, placing the nano zinc oxide and the nano silicon dioxide processed in the step 2 into a beaker, and adding silicone rubber according to a mass ratio;
and 4, stirring and dispersing the mixed colloid obtained in the step 3 for less than or equal to 7min, uniformly dispersing the nano zinc oxide and the nano silicon dioxide to obtain the mixed colloid nano modified polymer composite insulating material, and carrying out a heat conduction performance experiment, wherein the heat conduction coefficient is changed as shown in Table 3.
TABLE 3 Filler Heat conductivity data
Figure BDA0003140464690000101
As can be seen from Table 3, with the addition of nano ZnO, the thermal conductivity of the modified insulating material is remarkably enhanced
Example 3
A preparation method of a nano modified rapid prototyping polymer insulating material is implemented according to the following steps:
step 1, weighing 7g of nano zinc oxide and 7.2g of nano silicon dioxide according to mass; nano silicon dioxide with the grain diameter of 40nm and the grain diameter of 40nm of powder;
step 2, carrying out surface treatment on the nano zinc oxide and the nano silicon dioxide weighed in the step 1:
step 2.1, putting the weighed ZnO powder into a beaker, adding anhydrous ethanol with the mass ratio of 400% for full dilution, and mechanically adding ultrasonic waves for stirring uniformly (the time is more than or equal to 20min, and the rotating speed is 225 r/min);
step 2.2, preparing a KH550 solution, weighing KH550 with the weight of 10% of ZnO powder, placing the KH550 solution into a small beaker, adding purified water with half of the mass of the KH550, adding absolute ethyl alcohol with the mass of 3.5 times of the KH550, and uniformly mixing for later use;
step 2.3, after the stirring in the step 2.1 is finished, adding the solution prepared in the step 2.2, mechanically adding ultrasonic waves, uniformly stirring for 40min (the rotating speed is 225r/min), putting into an oven after the stirring is finished, drying, and grinding with a clean mortar for later use;
step 2.4, putting the weighed SiO2 powder into a beaker, adding anhydrous ethanol with the mass ratio of 400% for full dilution, and mechanically adding ultrasonic waves for stirring uniformly (the time is more than or equal to 20min, and the rotating speed is 225 r/min);
step 2.5, preparing a KH550 solution, weighing KH550 with the weight of 10% of the SiO2 powder, placing the KH550 into a small beaker, adding purified water with half the mass of the KH550, adding absolute ethyl alcohol with the mass of 3.5 times of the KH550, and uniformly mixing for later use;
step 2.6, after the stirring in the step 2.4 is finished, adding the solution prepared in the step 2.2, mechanically adding ultrasonic waves, uniformly stirring for 40min (the rotating speed is 225r/min), putting into an oven after the stirring is finished, drying, and grinding with a clean mortar for later use;
step 3, placing the nano zinc oxide and the nano silicon dioxide processed in the step 2 into a beaker, and adding silicone rubber according to a mass ratio;
step 4, stirring and dispersing the mixed colloid obtained in the step 3 for less than or equal to 7min to obtain a mixed colloid nano modified polymer composite insulating material after the nano zinc oxide and the nano silicon dioxide are uniformly dispersed; and taking a group of samples to carry out an ultraviolet aging experiment to obtain an aging-resistant experiment curve. The data are shown in Table 4.
TABLE 4 ageing resistance test data (ultraviolet wavelength 400nm)
Figure BDA0003140464690000121
As can be seen from the table, the aging resistance of the modified insulating material is obviously improved with the addition of the nano filler.

Claims (6)

1. A nanometer modified rapid prototyping polymer insulating material is characterized by comprising the following components: the silicone rubber, the nano zinc oxide and the nano silicon dioxide are distributed according to the mass ratio as follows: adding 2.4-7% of nano zinc oxide and 1.2-7.2% of nano silicon dioxide into silicone rubber.
2. The nano-modified rapid prototyping polymeric insulation material of claim 1, wherein the nano-zinc oxide has a particle size of 30-70nm and the nano-silica has a particle size of 30-70 nm.
3. A preparation method of a nano-modified rapid prototyping polymer insulating material, which adopts the nano-modified rapid prototyping polymer insulating material of claims 1-2, is characterized by comprising the following steps:
step 1, weighing nano zinc oxide and nano silicon dioxide according to a mass ratio;
step 2, performing surface treatment on the nano zinc oxide and the nano silicon dioxide weighed in the step 1;
step 3, placing the nano zinc oxide and the nano silicon dioxide processed in the step 2 into a beaker, and adding silicone rubber according to a mass ratio to obtain a mixed colloid;
and 4, stirring and dispersing the mixed colloid obtained in the step 3, and after the nano zinc oxide and the nano silicon dioxide are uniformly dispersed, obtaining the mixed colloid nano modified polymer composite insulating material.
4. The method for preparing a nano-modified rapid prototyping polymer insulation material as claimed in claim 3, wherein said surface treatment in step 2 is specifically carried out according to the following steps:
step 2.1, putting the weighed nano zinc oxide powder into a beaker, adding anhydrous ethanol with the mass ratio of 400% for full dilution, and mechanically adding ultrasonic waves for stirring uniformly;
step 2.2, preparing a KH550 solution, weighing KH550 with the weight of 10% of the nano zinc oxide powder, placing the KH550 solution into a small beaker, adding purified water with half the mass of the KH550, adding absolute ethyl alcohol with the mass of 3.5 times of the KH550, and uniformly mixing for later use;
step 2.3, adding the solution prepared in the step 2.2 into the solution diluted in the step 2.1, mechanically adding ultrasonic waves, uniformly stirring for 40min, putting into an oven after stirring, drying, and grinding with a clean mortar for later use;
step 2.4, putting the weighed nano silicon dioxide into a beaker, adding anhydrous ethanol with the mass ratio of 400% for full dilution, and mechanically adding ultrasonic waves for stirring uniformly;
step 2.5, preparing a KH550 solution, weighing KH550 with the weight of 10% of the nano-silica, placing the KH550 solution in a small beaker, adding purified water with half the mass of the KH550, adding absolute ethyl alcohol with the mass of 3.5 times of that of the KH550, and uniformly mixing for later use;
and 2.6, adding the solution prepared in the step 2.2 after the stirring in the step 2.4 is finished, uniformly stirring for 40min by mechanically adding ultrasonic waves, putting the mixture into an oven after the stirring is finished, and grinding the mixture by using a clean mortar for later use after drying.
5. The method for preparing a nano-modified rapid prototyping polymer insulation material as claimed in claim 4, wherein in step 2.1, the stirring time is not less than 20min, and the rotation speed is 225 r/min.
6. The method for preparing a nano-modified rapid prototyping polymer insulation material as claimed in claim 3, wherein the dispersion stirring time in step 4 is not greater than 7 min.
CN202110737694.7A 2021-06-30 2021-06-30 Nano-modified rapid-forming high-molecular insulating material and preparation method thereof Active CN113292859B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110737694.7A CN113292859B (en) 2021-06-30 2021-06-30 Nano-modified rapid-forming high-molecular insulating material and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110737694.7A CN113292859B (en) 2021-06-30 2021-06-30 Nano-modified rapid-forming high-molecular insulating material and preparation method thereof

Publications (2)

Publication Number Publication Date
CN113292859A true CN113292859A (en) 2021-08-24
CN113292859B CN113292859B (en) 2023-01-24

Family

ID=77330258

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110737694.7A Active CN113292859B (en) 2021-06-30 2021-06-30 Nano-modified rapid-forming high-molecular insulating material and preparation method thereof

Country Status (1)

Country Link
CN (1) CN113292859B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114958152A (en) * 2022-07-20 2022-08-30 西安理工大学 Nano modified high-molecular insulation repair coating and preparation method thereof
CN115109414A (en) * 2022-05-25 2022-09-27 广东电网有限责任公司广州供电局 Preparation method of uvioresistant vulcanized silicone rubber nano composite material
CN115322571A (en) * 2022-08-11 2022-11-11 重庆大学 Preparation method of nano modified silicone rubber

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102391650A (en) * 2011-06-15 2012-03-28 山东德海友利带业有限公司 Silica gel plate special for vacuum laminating machine of solar photovoltaic assembly
CN103214850A (en) * 2013-05-13 2013-07-24 哈尔滨理工大学 Mixed silicon rubber-based conductive nonlinear insulating material
CN108329698A (en) * 2018-01-24 2018-07-27 合肥尚强电气科技有限公司 A kind of insulating materials and preparation method thereof for high-voltage electrical equipment
WO2021035460A1 (en) * 2019-08-26 2021-03-04 Henkel Ag & Co. Kgaa Foamable silicone composition, preparation method and use thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102391650A (en) * 2011-06-15 2012-03-28 山东德海友利带业有限公司 Silica gel plate special for vacuum laminating machine of solar photovoltaic assembly
CN103214850A (en) * 2013-05-13 2013-07-24 哈尔滨理工大学 Mixed silicon rubber-based conductive nonlinear insulating material
CN108329698A (en) * 2018-01-24 2018-07-27 合肥尚强电气科技有限公司 A kind of insulating materials and preparation method thereof for high-voltage electrical equipment
WO2021035460A1 (en) * 2019-08-26 2021-03-04 Henkel Ag & Co. Kgaa Foamable silicone composition, preparation method and use thereof

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
汪多仁: "《绿色化工助剂》", 31 January 2006 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115109414A (en) * 2022-05-25 2022-09-27 广东电网有限责任公司广州供电局 Preparation method of uvioresistant vulcanized silicone rubber nano composite material
CN114958152A (en) * 2022-07-20 2022-08-30 西安理工大学 Nano modified high-molecular insulation repair coating and preparation method thereof
CN115322571A (en) * 2022-08-11 2022-11-11 重庆大学 Preparation method of nano modified silicone rubber

Also Published As

Publication number Publication date
CN113292859B (en) 2023-01-24

Similar Documents

Publication Publication Date Title
CN113292859B (en) Nano-modified rapid-forming high-molecular insulating material and preparation method thereof
CN102746808A (en) High-conductivity graphene conducting resin and preparation method thereof
CN107337902B (en) Glass fiber and carbon nanotube co-modified epoxy composite material and preparation method thereof
CN112195016B (en) Heat-conducting insulating carbon fiber silica gel gasket and preparation method thereof
CN110105926B (en) High-thermal-conductivity gel capable of being subjected to dispensing operation and preparation process thereof
WO2022242026A1 (en) Cross-linked polyethylene composite material, and preparation method therefor and application thereof
Nazir et al. Dielectric and thermal properties of micro/nano boron nitride co‐filled EPDM composites for high‐voltage insulation
CN113337126A (en) Heat-conducting insulating silicon rubber and preparation method and application thereof
CN110875099A (en) Low-temperature conductive silver paste, preparation method thereof and product containing low-temperature conductive silver paste
CN111892753A (en) Preparation method of modified hexagonal boron nitride heat-conducting film
CN115260705A (en) Reactor epoxy resin insulation layer crack repair material and preparation method thereof
CN110615877A (en) Graft modified alumina, preparation method thereof, epoxy composite material and application thereof
CN113667309A (en) Organic-inorganic hybrid crosslinked heat-conducting silica gel and preparation method thereof
WO2021109730A1 (en) Two-component organosilicon potting sealant and application method therefor
CN109880372A (en) It is a kind of to utilize heat-conducting silicon rubber made from coated with silica boron nitride and the preparation method and application thereof
CN114605836A (en) High-performance silicon oil-based flexible heat-conducting gasket and preparation method thereof
CN111234345B (en) Modified ceramic/low-density polyethylene composite material and preparation method and application thereof
CN112876855A (en) Silicon rubber-based composite insulating material with adjustable dielectric constant and preparation method thereof
CN110885560A (en) Preparation method of silicone rubber composite material for insulator
CN114539783A (en) High-thermal-conductivity high-insulation gasket and preparation method thereof
CN103013004A (en) Carbon/silicon core-shell structure-polymer high-dielectric composite material
CN113150528A (en) High-thermal-conductivity composite material for insulating puncture wire clamp shell and preparation method thereof
CN115651532B (en) Bare conductor insulating coating material and preparation method and application thereof
Shang et al. Investigation of MQ Resin Enhanced Material Used for On-site Insulating Bare Conductors
KR102659638B1 (en) Sealing composition to shield electromagnetic wave for nuclear power decommissioning instrument

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant