CN113249045A - Double-sided adhesive tape with three-prevention and high viscosity and preparation method thereof - Google Patents
Double-sided adhesive tape with three-prevention and high viscosity and preparation method thereof Download PDFInfo
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- CN113249045A CN113249045A CN202110428065.6A CN202110428065A CN113249045A CN 113249045 A CN113249045 A CN 113249045A CN 202110428065 A CN202110428065 A CN 202110428065A CN 113249045 A CN113249045 A CN 113249045A
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- 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
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F283/00—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G
- C08F283/10—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G on to polymers containing more than one epoxy radical per molecule
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- 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
- C09J151/00—Adhesives based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Adhesives based on derivatives of such polymers
- C09J151/08—Adhesives based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Adhesives based on derivatives of such polymers grafted on to macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
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- 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
- C09J7/38—Pressure-sensitive adhesives [PSA]
- C09J7/381—Pressure-sensitive adhesives [PSA] based on macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
- C09J7/385—Acrylic polymers
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- 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
-
- 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
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Adhesive Tapes (AREA)
Abstract
The invention discloses a double-sided adhesive tape with three prevention and high viscosity and a preparation method thereof. The three-proofing high-viscosity double-sided adhesive tape has the advantages of firm bonding, no relative displacement, high safety, long service life and stable quality, has the functions of water resistance, alcohol resistance, grease resistance and the like, and has the performance of detergent resistance and cosmetics resistance. In addition, the preparation method of the double-sided adhesive tape with three proofings and high viscosity has the advantages of simple process, easy operation, high production efficiency and high coating precision.
Description
Technical Field
The invention relates to the technical field of double-sided adhesive tapes with three-prevention and high viscosity and preparation methods thereof, in particular to a double-sided adhesive tape with three-prevention and high viscosity and a preparation method thereof.
Background
With the development of electronic devices, the trend of miniaturization and diversification of internal parts of electronic devices is increasing. When electronic equipment is produced, assembled or repaired in a failure mode, bonding or reworking maintenance is needed, and back-and-forth disassembly and assembly are not avoided, most of the electronic equipment on the market currently uses structural adhesive for filling and bonding, the structural adhesive needs a certain time for forming viscosity, and a solvent in the structural adhesive volatilizes, so that the electronic equipment is not beneficial to production and assembly of products at the early stage; after the structure glue was filled, later stage electronic equipment broke down, and the structure that needs the clearance to bond is glued, and when the clearance was filled the structure and is glued, electronic components or electronic equipment were destroyed to the inevitable, were unfavorable for the electronic equipment maintenance in later stage. There are also some high tack adhesive tapes on the market that provide adhesion, most of which are not resistant to alcohol, grease, etc., and which are subject to loss of tack or aging, affecting the useful life of the electronic device assembly.
Disclosure of Invention
The invention aims to provide a double-sided adhesive tape with three proofings and high viscosity and a preparation method thereof, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a double sided tape with three proofings are high, includes that first from type rete, first three proofings high pressure sensitive adhesive layer, substrate layer, second three proofings high pressure sensitive adhesive layer and second from the type rete, first three proofings high pressure sensitive adhesive layer, substrate layer, second three proofings high pressure sensitive adhesive layer and second are from the type rete and laminate in proper order.
Preferably, the first release film layer and the second release film layer are respectively PET release films.
Preferably, the first three-prevention high-viscosity pressure-sensitive adhesive layer and the second three-prevention high-viscosity pressure-sensitive adhesive layer are respectively formed by compounding acrylate pressure-sensitive adhesive and an auxiliary agent in a ratio, the thickness is 18-60 mu m, and the peel strength is more than 1800gf/25 mm.
Preferably, the first three-prevention high-viscosity pressure-sensitive adhesive layer and the second three-prevention high-viscosity pressure-sensitive adhesive layer (respectively comprising, by mass, 100 parts of acrylic pressure-sensitive adhesive, 0.5-3 parts of heat stabilizer, 4-10 parts of tackifying resin, 0.1-6 parts of epoxy resin curing agent and 20-60 parts of solvent).
Preferably, the acrylic acid sub-sensitive glue is prepared by polymerizing 30-46 parts of butyl acrylate, 12-24 parts of methyl methacrylate, 8-20 parts of acrylic acid, 3-5 parts of hydroxybutyl acrylate, 4-8 parts of m-benzene resin and 7-13 parts of amino epoxy resin in 20-40 parts of ethyl acetate solvent by 0.2-1.2 parts of azodiisobutyronitrile as an initiator, wherein the solid content of the acrylic acid sub-sensitive glue is 40-47%.
Preferably, the heat stabilizer is an organic tin compound; the tackifying resin is terpene resin; the solvent is ethyl acetate.
Preferably, the substrate layer is a transparent PET film, and the thickness of the substrate layer is 12-50 μm.
A preparation method of a double-sided adhesive tape with three-proofing and high viscosity comprises the following steps:
step one, preparing tackifying resin:
dissolving tackifying resin in a desolventizing agent to obtain a tackifying resin solution;
step two, mixing acrylic acid pressure-sensitive glue and tackifying resin:
adding the tackifying resin solution into acrylic acid pressure-sensitive adhesive water, stirring for 20-30 min, and fully and uniformly stirring;
step three, preparing a heat stabilizer:
adding a heat stabilizer into a solvent, and uniformly mixing to obtain a heat stabilizer solution;
step four, mixing a heat stabilizer:
adding the heat stabilizer solution prepared in the third step into the glue prepared in the second step, and stirring for 10-20 min to be fully and uniformly stirred;
step five, preparing a curing agent solution:
dissolving an epoxy resin curing agent in a solvent to obtain a curing agent solution;
step six, preparing three-proofing high-viscosity pressure-sensitive adhesive glue:
adding the curing agent solution prepared in the fifth step into the glue water obtained in the fourth step, and stirring and mixing uniformly to obtain the three-prevention high-viscosity pressure-sensitive adhesive glue;
step seven, glue coating:
standing the three-proofing high-viscosity pressure-sensitive adhesive glue in the sixth step or removing bubbles in vacuum, and then, pumping the glue into a glue groove of a coating machine, and coating the glue on the surface A of the transparent PET film;
step eight, preparing the single-side three-proofing high-viscosity adhesive tape:
adjusting the temperature of a coating machine oven within the range of 80-120 ℃, drying the three-proofing high-viscosity pressure-sensitive adhesive on the PET film, and rolling a release film attached to the tail of the machine to obtain a single-sided three-proofing high-viscosity adhesive tape;
step nine: preparation of double-sided three-proofing high-viscosity adhesive tape
Coating three-proofing high-viscosity pressure-sensitive adhesive glue on the surface B of the rolled single-sided three-proofing high-viscosity adhesive tape again, drying redundant solvent through an oven, and rolling the tail-attached release film to obtain a three-proofing high-viscosity double-sided adhesive tape;
step ten: aging
Placing the rolled three-proof high-viscosity double-sided adhesive tape in a curing chamber, curing for more than one week at normal temperature, and curing for 48H at 50 ℃.
Compared with the prior art, the invention has the beneficial effects that: the double-sided adhesive tape with three proofings and high viscosity has high viscosity and is prepared by compounding acrylate pressure-sensitive adhesive and various auxiliaries in a ratio. The rubber has high viscosity, does not have adhesive residue, has good three-proofing (waterproof, alcohol-proof and grease-proof) effects, has better grease resistance, and has certain air tightness and impact resistance compared with the traditional product. The three-proofing high-viscosity double-sided adhesive tape has the advantages of firm bonding, no relative displacement, high safety, long service life and stable quality, has the functions of water resistance, alcohol resistance, grease resistance and the like, and has the performance of detergent resistance and cosmetics resistance. In addition, the preparation method of the double-sided adhesive tape with three proofings and high viscosity has the advantages of simple process, easy operation, high production efficiency and high coating precision. Simultaneously has the following advantages:
(1) the electronic equipment shell or element is connected by adopting the three-prevention high-viscosity double-sided adhesive tape, so that the reworking and reworking efficiency can be greatly improved;
(2) the three-prevention and high-viscosity double-sided adhesive tape has the three-prevention effect, and the service life of electronic equipment is prolonged;
(3) the three-proofing high-viscosity double-sided adhesive tape disclosed by the invention has the advantages of no adhesive residue, easiness in cleaning and stable performance;
(4) the special acrylic pressure-sensitive adhesive is adopted, so that the adhesive force performance is stable, the texture is light, and the cost is low;
(5) the preparation method provided by the invention is simple, easy to implement and high in production efficiency, can quickly produce a three-proof and high-viscosity double-sided adhesive tape product with good comprehensive performance, and is beneficial to wide popularization and application.
Drawings
FIG. 1 is a schematic cross-sectional front view of the present invention;
fig. 2 is a graph showing sample test data of examples 1 to 3 of the present invention.
In the figure: 1-a first release film layer, 2-a first three-prevention high-viscosity pressure-sensitive adhesive layer, 3-a base material layer, 4-a second three-prevention high-viscosity pressure-sensitive adhesive layer and 5-a second release film layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the 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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides a double-sided tape with three proofings are high, three proofings are waterproof, prevent alcohol, grease proofing, still have certain detergent and cosmetics's of preventing effect, the high double-sided tape gross thickness of electricity three proofings is 50 ~ 150 mu m, and viscidity 1800gf/25mm more than, has high viscidity not the cull, and good three proofings (waterproof, prevent alcohol, grease proofing) effect is compared in traditional product, has more excellent resistant sebum nature, possesses certain gas tightness and shock resistance, including first type rete 1, first three proofings high viscosity pressure sensitive adhesive layer 2, substrate layer 3, the high pressure sensitive adhesive layer 4 of second three proofings and second from type rete 5, first type rete 1, first three proofings high viscosity pressure sensitive adhesive layer 2, substrate layer 3, the high pressure sensitive adhesive layer 4 of second three proofings and second are laminated from type rete 5 in proper order.
Specifically, the first release film layer 1 and the second release film layer 5 are PET release films, respectively.
Specifically, the first three-prevention high-viscosity pressure-sensitive adhesive layer 2 and the second three-prevention high-viscosity pressure-sensitive adhesive layer 4 are formed by compounding acrylate pressure-sensitive adhesive and an auxiliary agent in a ratio, the thickness is 18-60 mu m, and the peel strength is more than 1800gf/25 mm.
Specifically, the first three-proof high-viscosity pressure-sensitive adhesive layer 2 and the second three-proof high-viscosity pressure-sensitive adhesive layer 4 respectively comprise the following components in parts by mass: 100 parts of acrylic pressure-sensitive adhesive, 0.5 part of heat stabilizer, 4 parts of tackifying resin, 0.1 part of epoxy resin curing agent and 20 parts of solvent.
Specifically, the acrylic acid sub-sensitive glue is prepared by polymerizing 30 parts of butyl acrylate, 12 parts of methyl methacrylate, 8 parts of acrylic acid, 3 parts of hydroxybutyl acrylate, 4 parts of m-benzene resin and 7 parts of amino epoxy resin in 20 parts of ethyl acetate solvent through 0.2 part of azodiisobutyronitrile as an initiator, and the solid content of the acrylic acid sub-sensitive glue is 40%.
Specifically, the heat stabilizer is an organic tin compound; the tackifying resin is terpene resin; the solvent is ethyl acetate.
Specifically, the substrate layer 3 is a transparent PET film with a thickness of 12-50 μm.
Example 2
The present embodiment is different from embodiment 1 in that: the first three-proof high-viscosity pressure-sensitive adhesive layer 2 and the second three-proof high-viscosity pressure-sensitive adhesive layer 4 respectively comprise the following components in parts by mass: 100 parts of acrylic pressure-sensitive adhesive, 3 parts of heat stabilizer, 10 parts of tackifying resin, 6 parts of epoxy resin curing agent and 60 parts of solvent.
Specifically, the acrylic acid sub-sensitive glue is prepared by polymerizing 46 parts of butyl acrylate, 24 parts of methyl methacrylate, 20 parts of acrylic acid, 5 parts of hydroxybutyl acrylate, 8 parts of phloroglucinol and 13 parts of amino epoxy resin in 40 parts of ethyl acetate solvent through 1.2 parts of azodiisobutyronitrile as an initiator, and the solid content of the acrylic acid sub-sensitive glue is 47%.
Example 3
The present embodiment is different from embodiment 1 in that: the first three-proof high-viscosity pressure-sensitive adhesive layer 2 and the second three-proof high-viscosity pressure-sensitive adhesive layer 4 respectively comprise the following components in parts by mass: 100 parts of acrylic pressure-sensitive adhesive, 2 parts of heat stabilizer, 7 parts of tackifying resin, 4 parts of epoxy resin curing agent and 30 parts of solvent.
Specifically, the acrylic acid sub-sensitive glue is prepared by polymerizing 40 parts of butyl acrylate, 18 parts of methyl methacrylate, 10 parts of acrylic acid, 4.5 parts of hydroxybutyl acrylate, 6 parts of m-benzene resin and 11 parts of amino epoxy resin in 35 parts of ethyl acetate solvent through 1.2 parts of azodiisobutyronitrile serving as an initiator, wherein the solid content of the acrylic acid sub-sensitive glue is 45%.
A preparation method of a double-sided adhesive tape with three-proofing and high viscosity is characterized by comprising the following steps: the method comprises the following steps:
step one, preparing tackifying resin:
dissolving tackifying resin in a desolventizing agent to obtain a tackifying resin solution;
step two, mixing acrylic acid pressure-sensitive glue and tackifying resin:
adding the tackifying resin solution into acrylic acid pressure-sensitive adhesive water, stirring for 20-30 min, and fully and uniformly stirring;
step three, preparing a heat stabilizer:
adding a heat stabilizer into a solvent, and uniformly mixing to obtain a heat stabilizer solution;
step four, mixing a heat stabilizer:
adding the heat stabilizer solution prepared in the third step into the glue prepared in the second step, and stirring for 10-20 min to be fully and uniformly stirred;
step five, preparing a curing agent solution:
dissolving an epoxy resin curing agent in a solvent to obtain a curing agent solution;
step six, preparing three-proofing high-viscosity pressure-sensitive adhesive glue:
adding the curing agent solution prepared in the fifth step into the glue water obtained in the fourth step, and stirring and mixing uniformly to obtain the three-prevention high-viscosity pressure-sensitive adhesive glue;
step seven, glue coating:
standing the three-proofing high-viscosity pressure-sensitive adhesive glue in the sixth step or removing bubbles in vacuum, and then, pumping the glue into a glue groove of a coating machine, and coating the glue on the surface A of the transparent PET film;
step eight, preparing the single-side three-proofing high-viscosity adhesive tape:
adjusting the temperature of a coating machine oven within the range of 80-120 ℃, drying the three-proofing high-viscosity pressure-sensitive adhesive on the PET film, and rolling a release film attached to the tail of the machine to obtain a single-sided three-proofing high-viscosity adhesive tape;
step nine: preparation of double-sided three-proofing high-viscosity adhesive tape
Coating three-proofing high-viscosity pressure-sensitive adhesive glue on the surface B of the rolled single-sided three-proofing high-viscosity adhesive tape again, drying redundant solvent through an oven, and rolling the tail-attached release film to obtain a three-proofing high-viscosity double-sided adhesive tape;
step ten: aging
Placing the rolled three-proof high-viscosity double-sided adhesive tape in a curing chamber, curing for more than one week at normal temperature, and curing for 48H at 50 ℃.
In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The standard parts used in the invention can be purchased from the market, the special-shaped parts can be customized according to the description of the specification and the accompanying drawings, the specific connection mode of each part adopts conventional means such as bolts, rivets, welding and the like mature in the prior art, the machines, the parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, so that the detailed description is omitted.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a double sided tape with three proofings are high, includes that first from type rete (1), first three proofings high viscosity pressure sensitive adhesive layer (2), substrate layer (3), second three proofings high viscosity pressure sensitive adhesive layer (4) and second from type rete (5), first from type rete (1), first three proofings high viscosity pressure sensitive adhesive layer (2), substrate layer (3), second three proofings high viscosity pressure sensitive adhesive layer (4) and second are laminated from type rete (5) in proper order.
2. The double-sided adhesive tape with three-proofing and high viscosity as claimed in claim 1, wherein: the first release film layer (1) and the second release film layer (5) are PET release films respectively.
3. The double-sided adhesive tape with three-proofing and high viscosity as claimed in claim 1, wherein: the first three-prevention high-viscosity pressure-sensitive adhesive layer (2) and the second three-prevention high-viscosity pressure-sensitive adhesive layer (4) are respectively formed by compounding acrylate pressure-sensitive adhesive and auxiliaries in a ratio, the thickness is 18-60 mu m, and the peel strength is more than 1800gf/25 mm.
4. The double-sided adhesive tape with three-proofing and high viscosity as claimed in claim 3, wherein: the first three-proof high-viscosity pressure-sensitive adhesive layer (2) and the second three-proof high-viscosity pressure-sensitive adhesive layer (4) respectively comprise the following components in parts by mass: 100 parts of acrylic pressure-sensitive glue, 0.5-3 parts of heat stabilizer, 4-10 parts of tackifying resin, 0.1-6 parts of epoxy resin curing agent and 20-60 parts of solvent.
5. The double-sided adhesive tape with three-proofing and high viscosity as claimed in claim 4, wherein: the acrylic acid sub-sensitive glue is prepared by polymerizing 30-46 parts of butyl acrylate, 12-24 parts of methyl methacrylate, 8-20 parts of acrylic acid, 3-5 parts of hydroxy butyl acrylate, 4-8 parts of m-phenyl resin and 7-13 parts of amino epoxy resin in 20-40 parts of ethyl acetate solvent by 0.2-1.2 parts of azodiisobutyronitrile as an initiator, wherein the solid content of the acrylic acid sub-sensitive glue is 40-47%.
6. The double-sided adhesive tape with three-proofing and high adhesion as claimed in any one of claims 4 or 5, wherein: the heat stabilizer is an organic tin compound; the tackifying resin is terpene resin; the solvent is ethyl acetate.
7. The double-sided adhesive tape with three-proofing and high adhesion as claimed in any one of claims 1 to 5, wherein: the substrate layer (3) is a transparent PET film, and the thickness is 12-50 mu m.
8. A preparation method of a double-sided adhesive tape with three-proofing and high viscosity is characterized by comprising the following steps: the method comprises the following steps:
step one, preparing tackifying resin:
dissolving tackifying resin in a desolventizing agent to obtain a tackifying resin solution;
step two, mixing acrylic acid pressure-sensitive glue and tackifying resin:
adding the tackifying resin solution into acrylic acid pressure-sensitive adhesive water, stirring for 20-30 min, and fully and uniformly stirring;
step three, preparing a heat stabilizer:
adding a heat stabilizer into a solvent, and uniformly mixing to obtain a heat stabilizer solution;
step four, mixing a heat stabilizer:
adding the heat stabilizer solution prepared in the third step into the glue prepared in the second step, and stirring for 10-20 min to be fully and uniformly stirred;
step five, preparing a curing agent solution:
dissolving an epoxy resin curing agent in a solvent to obtain a curing agent solution;
step six, preparing three-proofing high-viscosity pressure-sensitive adhesive glue:
adding the curing agent solution prepared in the fifth step into the glue water obtained in the fourth step, and stirring and mixing uniformly to obtain the three-prevention high-viscosity pressure-sensitive adhesive glue;
step seven, glue coating:
standing the three-proofing high-viscosity pressure-sensitive adhesive glue in the sixth step or removing bubbles in vacuum, and then, pumping the glue into a glue groove of a coating machine, and coating the glue on the surface A of the transparent PET film;
step eight, preparing the single-side three-proofing high-viscosity adhesive tape:
adjusting the temperature of a coating machine oven within the range of 80-120 ℃, drying the three-proofing high-viscosity pressure-sensitive adhesive on the PET film, and rolling a release film attached to the tail of the machine to obtain a single-sided three-proofing high-viscosity adhesive tape;
step nine: preparation of double-sided three-proofing high-viscosity adhesive tape
Coating three-proofing high-viscosity pressure-sensitive adhesive glue on the surface B of the rolled single-sided three-proofing high-viscosity adhesive tape again, drying redundant solvent through an oven, and rolling the tail-attached release film to obtain a three-proofing high-viscosity double-sided adhesive tape;
step ten: aging
Placing the rolled three-proof high-viscosity double-sided adhesive tape in a curing chamber, curing for more than one week at normal temperature, and curing for 48H at 50 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110428065.6A CN113249045A (en) | 2021-04-21 | 2021-04-21 | Double-sided adhesive tape with three-prevention and high viscosity and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110428065.6A CN113249045A (en) | 2021-04-21 | 2021-04-21 | Double-sided adhesive tape with three-prevention and high viscosity and preparation method thereof |
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| CN113249045A true CN113249045A (en) | 2021-08-13 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108841344A (en) * | 2018-07-12 | 2018-11-20 | 杭州福斯特应用材料股份有限公司 | A kind of weather-proof primary coat coating of high-adhesion and purposes |
| CN110577810A (en) * | 2019-10-14 | 2019-12-17 | 太仓斯迪克新材料科技有限公司 | Adhesive and preparation method thereof, and explosion-proof membrane and preparation method thereof |
| CN111087950A (en) * | 2019-12-23 | 2020-05-01 | 崴思新材料泰州有限公司 | Adhesive, double-sided tape applying adhesive and preparation method of double-sided tape |
-
2021
- 2021-04-21 CN CN202110428065.6A patent/CN113249045A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108841344A (en) * | 2018-07-12 | 2018-11-20 | 杭州福斯特应用材料股份有限公司 | A kind of weather-proof primary coat coating of high-adhesion and purposes |
| CN110577810A (en) * | 2019-10-14 | 2019-12-17 | 太仓斯迪克新材料科技有限公司 | Adhesive and preparation method thereof, and explosion-proof membrane and preparation method thereof |
| CN111087950A (en) * | 2019-12-23 | 2020-05-01 | 崴思新材料泰州有限公司 | Adhesive, double-sided tape applying adhesive and preparation method of double-sided tape |
Non-Patent Citations (1)
| Title |
|---|
| ERIC GREENE ASSOCIATES: "《舰船复合材料》", 31 January 2013, 上海交通大学出版社 * |
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Application publication date: 20210813 |