CN113956818B - High-insulativity acrylic adhesive tape and preparation method thereof - Google Patents
High-insulativity acrylic adhesive tape and preparation method thereof Download PDFInfo
- Publication number
- CN113956818B CN113956818B CN202111265995.0A CN202111265995A CN113956818B CN 113956818 B CN113956818 B CN 113956818B CN 202111265995 A CN202111265995 A CN 202111265995A CN 113956818 B CN113956818 B CN 113956818B
- Authority
- CN
- China
- Prior art keywords
- barium titanate
- adhesive tape
- acrylic adhesive
- isophorone diisocyanate
- aminated
- 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.)
- Active
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/30—Adhesives in the form of films or foils characterised by the adhesive composition
-
- 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
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
-
- 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
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
- C09D175/14—Polyurethanes having carbon-to-carbon unsaturated bonds
- C09D175/16—Polyurethanes having carbon-to-carbon unsaturated bonds having terminal carbon-to-carbon unsaturated bonds
-
- 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
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/20—Adhesives in the form of films or foils characterised by their carriers
- C09J7/22—Plastics; Metallised plastics
- C09J7/25—Plastics; Metallised plastics based on macromolecular compounds obtained otherwise than by reactions involving only carbon-to-carbon unsaturated bonds
- C09J7/255—Polyesters
-
- 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
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
-
- 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
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/40—Additional features of adhesives in the form of films or foils characterized by the presence of essential components
- C09J2301/408—Additional features of adhesives in the form of films or foils characterized by the presence of essential components additives as essential feature of the adhesive layer
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2467/00—Presence of polyester
- C09J2467/006—Presence of polyester in the substrate
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Insulating Bodies (AREA)
- Adhesive Tapes (AREA)
Abstract
The invention belongs to the technical field of adhesive tapes, and particularly relates to a high-insulation acrylic adhesive tape which is prepared by blending triethylene glycol diacrylate, hydroxyethyl acrylate, aminated barium titanate, polyethylene glycol ether modified isophorone diisocyanate oligomer and benzoyl peroxide to obtain an adhesive and coating the adhesive on a polyethylene terephthalate film, wherein the aminated barium titanate, the triethylene glycol diacrylate and the hydroxyethyl acrylate are reacted and crosslinked, and the polyethylene glycol ether modified isophorone diisocyanate oligomer is reacted with the hydroxyethyl acrylate and then crosslinked with the aminated barium titanate, so that the acrylic adhesive tape has the beneficial effects that: the barium titanate in the acrylic adhesive tape has good compatibility with triethylene glycol diacrylate, hydroxyethyl acrylate and isophorone diisocyanate oligomer, the dielectric constant of the barium titanate is high, and the insulativity of the acrylic adhesive tape is improved.
Description
Technical Field
The invention belongs to the technical field of adhesive tapes, and particularly relates to a high-insulativity acrylic adhesive tape and a preparation method thereof.
Background
The adhesive tape is an article consisting of a base material and an adhesive, and two or more unconnected objects can be connected together through adhesion. The adhesive tape can be divided into a high-temperature adhesive tape, a double-sided adhesive tape, an insulating adhesive tape, a special adhesive tape, a pressure-sensitive adhesive tape and a die-cutting adhesive tape according to the functions of the adhesive tape, and different functions are suitable for different industry requirements.
The insulating tape is an insulating tape used by electricians for preventing electric leakage, is also called as an insulating tape, and consists of a base tape and a pressure-sensitive adhesive layer. The base band generally adopts cotton cloth, synthetic fiber fabric, plastic film and the like, the glue layer is made of compounding agents such as rubber and tackifying resin, the viscosity is good, the insulating property is excellent, the insulating tape has the characteristics of good insulation, pressure resistance, flame retardance, weather resistance and the like, and is suitable for electrical insulation protection, but the insulating property is poor due to poor compatibility and low dielectric constant among substances added in the traditional tape.
Disclosure of Invention
Technical problem to be solved
The invention aims to provide a high-insulativity acrylic adhesive tape and a preparation method thereof, and solves the problem of low insulativity of the adhesive tape.
(II) technical scheme
In order to solve the problems, the invention provides a high-insulation acrylic adhesive tape, which is prepared by mixing triethylene glycol diacrylate, hydroxyethyl acrylate, aminated barium titanate, a polyethylene glycol ether modified isophorone diisocyanate oligomer and benzoyl peroxide for reaction to obtain an adhesive, and coating the adhesive on a polyethylene terephthalate film, wherein the aminated barium titanate is reacted and crosslinked with the triethylene glycol diacrylate and the hydroxyethyl acrylate, and the polyethylene glycol ether modified isophorone diisocyanate oligomer is reacted with the hydroxyethyl acrylate and then crosslinked with the aminated barium titanate.
In order to achieve the purpose, the invention is realized by the following scheme:
a preparation method of a high-insulation acrylic adhesive tape comprises the following steps:
(1) Adding barium titanate nanoparticles to H 2 O 2 In the solution, after ultrasonic and heating reflux treatment, centrifugally collecting particles, washing with deionized water, then carrying out vacuum drying to obtain hydroxylated barium titanate nanoparticles, mixing the hydroxylated barium titanate nanoparticles with alkoxysilane in ethanol, centrifugally collecting nanoparticles after ultrasonic and heating reflux treatment, washing, and carrying out vacuum drying to obtain aminated barium titanate nanoparticles;
(2) Under the protection of nitrogen, weighing isophorone diisocyanate and dibutyltin dilaurate, adding into a container, adding polyethylene glycol ether, tributyltin compound and acetone solution into the container within 15min by using a peristaltic pump, and reacting to obtain a polyethylene glycol ether modified isophorone diisocyanate oligomer;
(3) Weighing triethylene glycol diacrylate, hydroxyethyl acrylate, aminated barium titanate, polyethylene glycol ether modified isophorone diisocyanate oligomer and benzoyl peroxide, and carrying out blending reaction to obtain an adhesive;
(4) The adhesive was coated on a polyethylene terephthalate film to make an acrylic adhesive tape.
Preferably, barium titanate and H in the step (1) 2 O 2 The mass ratio of the solution is 2.5-3 to 10-12, the ultrasonic frequency is 20-25kHz, the ultrasonic time is 20-30min, the heating temperature of hydroxylation treatment is 90-120 ℃, the reflux time of hydroxylation treatment is 2-6h, the mass ratio of hydroxylated barium titanate, alkoxy silane to ethanol is 2-3.
Preferably, the mass ratio of the isophorone diisocyanate, the dibutyltin dilaurate, the polyethylene glycol ether, the tributyltin compound and the acetone solution in the step (2) is 16-18.
Preferably, the reaction temperature in the step (2) is 40-55 ℃, and the reaction time is 6-6.5h.
Preferably, in the step (3), the mass ratio of triethylene glycol diacrylate, hydroxyethyl acrylate, aminated barium titanate, polyglycol ether modified isophorone diisocyanate oligomer and benzoyl peroxide is 30-40.
Preferably, the reaction temperature in the step (3) is 60-70 ℃, and the reaction time is 1-3h.
Compared with the prior art, the method has the beneficial effects that:
(1) The invention provides a high-insulation acrylic adhesive tape and a preparation method thereof, wherein the high-insulation acrylic adhesive tape is prepared by mixing triethylene glycol diacrylate, hydroxyethyl acrylate, aminated barium titanate, polyethylene glycol ether modified isophorone diisocyanate oligomer and benzoyl peroxide for reaction to obtain an adhesive, and coating the adhesive on a polyethylene terephthalate film;
(2) The invention provides a high-insulation acrylic adhesive tape and a preparation method thereof, wherein amino of aminated barium titanate in the acrylic adhesive tape and double bonds of triethylene glycol diacrylate and hydroxyethyl acrylate are subjected to aza Michael addition reaction, isocyanate of polyethylene glycol ether modified isophorone diisocyanate oligomer and hydroxyl of hydroxyethyl acrylate are subjected to reaction and then can be crosslinked with aminated barium titanate, the barium titanate in the acrylic adhesive tape is good in compatibility with triethylene glycol diacrylate, hydroxyethyl acrylate and isophorone diisocyanate oligomer, the dielectric constant of the barium titanate is high, and the insulation property of the acrylic adhesive tape is improved.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, 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. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Example 1
A preparation method of a high-insulation acrylic adhesive tape comprises the following steps:
the mixture ratio is as follows: barium titanate and H 2 O 2 The mass ratio of the solution is 2.5, the mass ratio of the hydroxylated barium titanate, the alkoxy silane and the ethanol is 2.
(1) Adding barium titanate nanoparticles into H according to a certain proportion 2 O 2 In the solution, after ultrasonic and heating reflux treatment, the ultrasonic frequency is 20kHz, the ultrasonic time is 20min, the heating temperature of hydroxylation treatment is 90 ℃, the reflux time of hydroxylation treatment is 2h, particles are collected by centrifugation, the particles are washed by deionized water and then dried in vacuum to obtain hydroxylated barium titanate nanoparticles, the hydroxylated barium titanate nanoparticles and alkoxy silane are mixed in ethanol according to a proportion, the nanoparticles are centrifugally collected and washed for a plurality of times after the ultrasonic and heating reflux treatment, the heating temperature of amination treatment is 70 ℃, the time of amination treatment is 12h, the ultrasonic frequency is 20kHz, the ultrasonic time is 20min, and the aminated barium titanate nanoparticles are obtained by vacuum drying;
(2) Under the protection of nitrogen, proportionally weighing isophorone diisocyanate and dibutyltin dilaurate, adding into a container, adding polyethylene glycol ether, a tributyltin compound and an acetone solution into the container within 15min by using a peristaltic pump, wherein the reaction temperature is 40 ℃, and the reaction time is 6h, so as to obtain a polyethylene glycol ether modified isophorone diisocyanate oligomer;
(3) Weighing triethylene glycol diacrylate, hydroxyethyl acrylate, aminated barium titanate, polyethylene glycol ether modified isophorone diisocyanate oligomer and benzoyl peroxide according to a proportion, and carrying out blending reaction at the temperature of 60 ℃ for 1h to obtain an adhesive;
(4) The adhesive was coated on a polyethylene terephthalate film to make an acrylic adhesive tape.
Example 2
A preparation method of a high-insulation acrylic adhesive tape comprises the following steps:
the mixture ratio is as follows: barium titanate and H 2 O 2 The mass ratio of the solution is 2.6.
(1) Adding barium titanate nanoparticles into H in proportion 2 O 2 In the solution, after ultrasonic and heating reflux treatment, the ultrasonic frequency is 21kHz, the ultrasonic time is 21min, the heating temperature of hydroxylation treatment is 100 ℃, the reflux time of hydroxylation treatment is 3h, particles are collected by centrifugation, the particles are washed by deionized water and then dried in vacuum to obtain hydroxylated barium titanate nanoparticles, the hydroxylated barium titanate nanoparticles and alkoxy silane are mixed in ethanol according to a proportion, the nanoparticles are centrifugally collected and washed for a plurality of times after the ultrasonic and heating reflux treatment, the heating temperature of amination treatment is 75 ℃, the time of amination treatment is 13h, the ultrasonic frequency is 21kHz, the ultrasonic time is 22min, and the aminated barium titanate nanoparticles are obtained by vacuum drying;
(2) Under the protection of nitrogen, proportionally weighing isophorone diisocyanate and dibutyltin dilaurate, adding into a container, adding polyethylene glycol ether, tributyltin compound and acetone solution into the container within 15min by using a peristaltic pump, wherein the reaction temperature is 45 ℃, and the reaction time is 6.1h, so as to obtain a polyethylene glycol ether modified isophorone diisocyanate oligomer;
(3) Weighing triethylene glycol diacrylate, hydroxyethyl acrylate, aminated barium titanate, polyethylene glycol ether modified isophorone diisocyanate oligomer and benzoyl peroxide according to a proportion, and carrying out blending reaction to obtain an adhesive, wherein the reaction temperature is 62 ℃, and the reaction time is 1.5h;
(4) The adhesive was coated on a polyethylene terephthalate film to make an acrylic adhesive tape.
Example 3
A preparation method of a high-insulation acrylic adhesive tape comprises the following steps:
the mixture ratio is as follows: barium titanate and H 2 O 2 The mass ratio of the solution is 2.8.
(1) Adding barium titanate nanoparticles into H in proportion 2 O 2 In the solution, after ultrasonic and heating reflux treatment, the ultrasonic frequency is 22kHz, the ultrasonic time is 23min, the heating temperature of hydroxylation treatment is 110 ℃, the reflux time of hydroxylation treatment is 3.5h, particles are collected by centrifugation, washed by deionized water and dried in vacuum to obtain hydroxylated barium titanate nanoparticles, the hydroxylated barium titanate nanoparticles and alkoxy silane are mixed in ethanol according to a proportion, the nanoparticles are centrifugally collected and washed for a plurality of times after ultrasonic and heating reflux treatment, the heating temperature of amination treatment is 80 ℃, the time of amination treatment is 14h, and the ultrasonic frequency is 80 DEGThe rate is 22kHz, the ultrasonic time is 23min, and the amination barium titanate nano particles are obtained by vacuum drying;
(2) Under the protection of nitrogen, proportionally weighing isophorone diisocyanate and dibutyltin dilaurate, adding into a container, adding polyethylene glycol ether, tributyltin compound and acetone solution into the container by using a peristaltic pump within 15min, wherein the reaction temperature is 50 ℃, and the reaction time is 6.3h, so as to obtain a polyethylene glycol ether modified isophorone diisocyanate oligomer;
(3) Weighing triethylene glycol diacrylate, hydroxyethyl acrylate, aminated barium titanate, polyethylene glycol ether modified isophorone diisocyanate oligomer and benzoyl peroxide according to a proportion, and carrying out blending reaction at 65 ℃ for 2 hours to obtain an adhesive;
(4) The adhesive was coated on a polyethylene terephthalate film to make an acrylic adhesive tape.
Example 4
A preparation method of a high-insulation acrylic adhesive tape comprises the following steps:
the mixture ratio is as follows: barium titanate and H 2 O 2 The mass ratio of the solution is 3.
(1) Adding barium titanate nanoparticles into H according to a certain proportion 2 O 2 In the solution, after ultrasonic and heating reflux treatment, the ultrasonic frequency is 25kHz, the ultrasonic time is 30min, the heating temperature of hydroxylation treatment is 120 ℃, the reflux time of hydroxylation treatment is 6h, particles are collected by centrifugation, washed by deionized water and dried in vacuum to obtain hydroxylated barium titanate nanoparticles, the hydroxylated barium titanate nanoparticles and alkoxy silane are mixed in ethanol according to a proportion, and after ultrasonic and heating reflux treatment, the nanoparticles are collected by centrifugation and are dried in vacuumWashing for several times, wherein the heating temperature of amination treatment is 90 ℃, the time of amination treatment is 24h, the ultrasonic frequency is 25kHz, and the ultrasonic time is 30min, and carrying out vacuum drying to obtain amination barium titanate nano particles;
(2) Under the protection of nitrogen, proportionally weighing isophorone diisocyanate and dibutyltin dilaurate, adding into a container, adding polyethylene glycol ether, tributyltin compound and acetone solution into the container by using a peristaltic pump within 15min, wherein the reaction temperature is 55 ℃, and the reaction time is 6.5h, so as to obtain a polyethylene glycol ether modified isophorone diisocyanate oligomer;
(3) Weighing triethylene glycol diacrylate, hydroxyethyl acrylate, aminated barium titanate, polyethylene glycol ether modified isophorone diisocyanate oligomer and benzoyl peroxide according to a proportion, and carrying out blending reaction at the reaction temperature of 70 ℃ for 3 hours to obtain an adhesive;
(4) The adhesive was coated on a polyethylene terephthalate film to make an acrylic adhesive tape.
Comparative example 1
A preparation method of an acrylic adhesive tape comprises the following steps:
the mixture ratio is as follows: the mass ratio of isophorone diisocyanate, dibutyltin dilaurate, polyglycol ether, tributyltin compound, acetone solution is 16.006.
(1) Under the protection of nitrogen, proportionally weighing isophorone diisocyanate and dibutyltin dilaurate, adding into a container, adding polyethylene glycol ether, tributyltin compound and acetone solution into the container within 15min by using a peristaltic pump, wherein the reaction temperature is 40 ℃, and the reaction time is 6h, so as to obtain a polyethylene glycol ether modified isophorone diisocyanate oligomer;
(2) Weighing triethylene glycol diacrylate, hydroxyethyl acrylate, polyethylene glycol ether modified isophorone diisocyanate oligomer and benzoyl peroxide according to a proportion, and carrying out blending reaction at the reaction temperature of 60 ℃ for 1h to obtain an adhesive;
(3) The adhesive was coated on a polyethylene terephthalate film to make an acrylic adhesive tape.
The acrylic tapes prepared in examples 1 to 4 and comparative example 1 were subjected to performance tests, and the test indexes and corresponding test conditions were as follows:
the conventional adhesion test method is as follows: the test temperature is 23 + -2 deg.C, relative humidity is 60-70%, the acrylic adhesive tape with width of 20mm is attached to a clean aluminum plate by slight finger pressure, the adhesive tape is pressed back 3 times at a speed of 10m/min by a 2kg press roll, left for 20min or 24h, then the acrylic adhesive tape is peeled off at a peeling speed of 300m/min and a peeling angle of 180 deg., the peeling force is recorded and the average value is calculated. The conventional retention test method is as follows: the test temperature is 23 +/-2 ℃, the relative humidity is 60-70%, the acrylic adhesive tape is attached to a clean aluminum plate by slight finger pressure, the attachment area is 20mm multiplied by 20mm, the acrylic adhesive tape is pressed back for 3 times at the speed of 10m/min by a 2kg compression roller, the acrylic adhesive tape is placed for 20min, the aluminum plate is vertical, a 1kg weight is hung at the lowest end of the acrylic adhesive tape, the weight is loaded for 1h, and the falling distance of the weight is recorded. The results of the conventional adhesion and holding power tests are shown in table 1.
TABLE 1
As can be seen from the test results of table 1, the conventional adhesive force and the conventional holding force of the acrylic tapes of examples 1 to 4 are higher than those of comparative example 1, since barium titanate in the acrylic tape is well compatible with triethylene glycol diacrylate and hydroxyethyl acrylate, indicating that the conventional adhesive force and the conventional holding force of the acrylic tape of the present invention are higher.
The acrylic adhesive tape materials of the examples and the comparative examples are detected, and the specific detection is as follows: the voltage is 120V, the constant voltage time is 120 minutes, after the formation is finished, the mixture is boiled, washed and dried, and the leakage current is measured; the acrylic adhesive tape materials of examples and comparative examples were immersed in benzene as an organic solvent for 10 seconds, taken out, the solvent on the surface of the sample was cleaned, and the sample was immersed in a solution of 80 ℃ in ten-thousandthsThe first phosphoric acid glycol solution with the voltage of 160V is taken out after the constant voltage is kept for 1 minute, boiled and dried at the temperature of 200 ℃, the sample is packaged after being coated with a film, and the breakdown voltage U of the sample is tested b The thickness of the acrylic adhesive tape materials of examples and comparative examples was measured near the breakdown point, at least three points were measured with an accuracy of 0.2. Mu.m, and the arithmetic mean value thereof was taken as the thickness d of the sample, and the breakdown strength was calculated by the formula, E b ＝U b Calculating breakdown Strength E b (ii) a The dielectric properties of the acrylic tape materials of examples and comparative examples were tested at room temperature of 25 ℃ using an HP4278 bridge at 1MHz,1.0V (AC); the acrylic tape materials of examples and comparative examples were tested for insulation resistance using a SF2512 rapid insulating machine with a DC rated voltage of 100V applied for 10 seconds, and the test results are shown in table 2 below:
TABLE 2
As can be seen from table 2 above, the acrylic tape materials prepared in examples 1-4 have smaller leakage current and dielectric loss than comparative example 1, and higher breakdown strength and dielectric constant than comparative example 1, which indicates that the acrylic tape of the present invention has better insulating properties. Because the barium titanate in the acrylic adhesive tape has good compatibility with triethylene glycol diacrylate and hydroxyethyl acrylate, and the dielectric constant of the barium titanate is high, the insulativity of the acrylic adhesive tape is improved.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present specification describes embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and it is to be understood that all embodiments may be combined as appropriate by one of ordinary skill in the art to form other embodiments as will be apparent to those of skill in the art from the description herein.
Claims (6)
1. A high-insulation acrylic adhesive tape is characterized in that triethylene glycol diacrylate, hydroxyethyl acrylate, aminated barium titanate, polyethylene glycol ether modified isophorone diisocyanate oligomer and benzoyl peroxide are subjected to blending reaction to obtain an adhesive, and the adhesive is coated on a polyethylene terephthalate film to prepare the adhesive tape;
wherein the mass ratio of triethylene glycol diacrylate, hydroxyethyl acrylate, aminated barium titanate, polyethylene glycol ether modified isophorone diisocyanate oligomer to benzoyl peroxide is 30-40.
2. The method for preparing the high-insulation acrylic adhesive tape according to claim 1, comprising the following steps:
(1) Adding barium titanate nanoparticles to H 2 O 2 In the solution, after ultrasonic and heating reflux treatment, collecting particles through centrifugation, washing with deionized water, then carrying out vacuum drying to obtain hydroxylated barium titanate nanoparticles, mixing the hydroxylated barium titanate nanoparticles with alkoxysilane in ethanol, carrying out ultrasonic and heating reflux treatment, then carrying out centrifugal collection on nanoparticles, washing for several times, and carrying out vacuum drying to obtain aminated barium titanate;
(2) Under the protection of nitrogen, weighing isophorone diisocyanate and dibutyltin dilaurate, adding into a container, adding polyethylene glycol ether, tributyltin compound and acetone solution into the container within 15min by using a peristaltic pump, and reacting to obtain a polyethylene glycol ether modified isophorone diisocyanate oligomer;
(3) Weighing triethylene glycol diacrylate, hydroxyethyl acrylate, aminated barium titanate, polyethylene glycol ether modified isophorone diisocyanate oligomer and benzoyl peroxide, and carrying out blending reaction to obtain an adhesive;
(4) The adhesive was coated on a polyethylene terephthalate film to make an acrylic adhesive tape.
3. The method for preparing the acrylic adhesive tape with high insulation property as claimed in claim 2, wherein the barium titanate nanoparticles and H in the step (1) 2 O 2 The mass ratio of the solution is 2.5-3 and 10-12, the ultrasonic frequency is 20-25kHz in the preparation process of the hydroxylated barium titanate nanoparticles, the ultrasonic time is 20-30min, the heating temperature is 90-120 ℃, the reflux time is 2-6h, the mass ratio of the hydroxylated barium titanate nanoparticles to the alkoxy silane to the ethanol is 2-3.
4. The method for preparing the high insulating acrylic adhesive tape according to claim 2, wherein in the step (2), the mass ratio of isophorone diisocyanate, dibutyltin dilaurate, polyglycol ether, tributyltin compound and acetone solution is (16-18).
5. The method for preparing the high-insulation acrylic adhesive tape according to claim 2, wherein the reaction temperature in the step (2) is 40-55 ℃ and the reaction time is 6-6.5h.
6. The method for preparing the high-insulation acrylic adhesive tape according to claim 2, wherein the reaction temperature in the step (3) is 60-70 ℃ and the reaction time is 1-3h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111265995.0A CN113956818B (en) | 2021-10-28 | 2021-10-28 | High-insulativity acrylic adhesive tape and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111265995.0A CN113956818B (en) | 2021-10-28 | 2021-10-28 | High-insulativity acrylic adhesive tape and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113956818A CN113956818A (en) | 2022-01-21 |
| CN113956818B true CN113956818B (en) | 2023-01-24 |
Family
ID=79468159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111265995.0A Active CN113956818B (en) | 2021-10-28 | 2021-10-28 | High-insulativity acrylic adhesive tape and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113956818B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014077081A (en) * | 2012-10-11 | 2014-05-01 | Nof Corp | Ink composition for forming high dielectric constant film, high dielectric constant film and manufacturing method thereof |
| CN104592926A (en) * | 2015-01-13 | 2015-05-06 | 潮州三环（集团）股份有限公司 | Adhesive and preparation method thereof |
| CN108410016A (en) * | 2018-03-27 | 2018-08-17 | 北京科技大学 | A kind of modified barium carbonate nano particle and preparation method thereof and a kind of polymer-modified laminated film and preparation method thereof |
| CN110615963A (en) * | 2019-09-24 | 2019-12-27 | 北京化工大学 | High-dielectric elastomer composite material with barium titanate as filler and preparation method thereof |
-
2021
- 2021-10-28 CN CN202111265995.0A patent/CN113956818B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014077081A (en) * | 2012-10-11 | 2014-05-01 | Nof Corp | Ink composition for forming high dielectric constant film, high dielectric constant film and manufacturing method thereof |
| CN104592926A (en) * | 2015-01-13 | 2015-05-06 | 潮州三环（集团）股份有限公司 | Adhesive and preparation method thereof |
| CN108410016A (en) * | 2018-03-27 | 2018-08-17 | 北京科技大学 | A kind of modified barium carbonate nano particle and preparation method thereof and a kind of polymer-modified laminated film and preparation method thereof |
| CN110615963A (en) * | 2019-09-24 | 2019-12-27 | 北京化工大学 | High-dielectric elastomer composite material with barium titanate as filler and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113956818A (en) | 2022-01-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR20190045255A (en) | Aqueous binder for lithium ion battery, production method thereof, and lithium ion battery electrode | |
| CN106589306B (en) | Method for preparing high-strength modified polyurethane composite material and product | |
| CN106554728A (en) | Pressure-sensitive Protection glue band of a kind of butyl rubber base and preparation method thereof | |
| CN113956818B (en) | High-insulativity acrylic adhesive tape and preparation method thereof | |
| CN111978893A (en) | Acrylate adhesive, preparation method thereof and application thereof in label paper | |
| CN114106709A (en) | Optical adhesive for explosion-proof membrane and preparation method thereof | |
| CN114059354B (en) | Process for preparing Teflon high-temperature cloth based on impregnation method | |
| CN112662342B (en) | Modified asphalt interface adhesive and preparation method thereof | |
| CN114409891A (en) | Flame-retardant polyurethane adhesive and preparation method thereof | |
| CN109852303B (en) | High-temperature-resistant double-sided adhesive tape and preparation method thereof | |
| CN111662674A (en) | High-temperature-resistant pressure-sensitive adhesive and preparation method thereof | |
| KR20160090290A (en) | Double-sided adhesive sheet and method for producing double-sided adhesive sheet | |
| CN115386333B (en) | Low-compression permanent deformation single-component thermosetting organosilicon sealant and preparation method thereof | |
| CN113755035B (en) | Epoxy silane modified nano alumina and polymer cement-based waterproof coating | |
| CN108048031B (en) | A kind of high cohesive strength additional organosilicon pressure sensitive adhesive | |
| CN115340809A (en) | Antistatic epoxy floor coating and preparation method thereof | |
| CN113512374A (en) | Protective adhesive tape for lithium battery aluminum shell and preparation method thereof | |
| CN110330923B (en) | Preparation method of nano composite wet adhesive | |
| CN114574159B (en) | Medical adhesive tape adhesive and preparation method thereof | |
| CN115703952A (en) | Maleic acid single-corn starch ester modified nitrile-butadiene rubber adhesive and preparation method thereof | |
| CN113004565A (en) | Preparation method of release film suitable for lithium foil calendering | |
| CN113698647A (en) | Microcrystalline reinforced release film | |
| CN109776797B (en) | Polyimide, silicon negative pole piece, and preparation method and application thereof | |
| CN113736323A (en) | White photovoltaic backboard coating composition for EVA and preparation method thereof | |
| CN111269672A (en) | High-viscosity pressure-sensitive adhesive and pressure-sensitive adhesive tape |
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 |