CN113637422A - Efficient heat-conducting double-sided adhesive tape and preparation process thereof - Google Patents
Efficient heat-conducting double-sided adhesive tape and preparation process thereof Download PDFInfo
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- CN113637422A CN113637422A CN202110946623.8A CN202110946623A CN113637422A CN 113637422 A CN113637422 A CN 113637422A CN 202110946623 A CN202110946623 A CN 202110946623A CN 113637422 A CN113637422 A CN 113637422A
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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
- 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
- C09J109/00—Adhesives based on homopolymers or copolymers of conjugated diene hydrocarbons
- C09J109/02—Copolymers with acrylonitrile
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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
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/06—Non-macromolecular additives organic
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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
- C09J163/00—Adhesives based on epoxy resins; Adhesives based on derivatives of epoxy resins
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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
-
- 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
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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
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/10—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet
- C09J2301/12—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers
- C09J2301/124—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers the adhesive layer being present on both sides of the carrier, e.g. double-sided adhesive tape
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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
- 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
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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
- C09J2409/00—Presence of diene rubber
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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
- C09J2463/00—Presence of epoxy resin
-
- 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)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Adhesive Tapes (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
The invention discloses a high-efficiency heat-conducting double-sided adhesive tape, which comprises: the PET substrate layer, adhesive layer and from type paper layer, the two sides of PET substrate layer all covers there is the adhesive layer, adhesive layer surface bonding has from type paper layer. The dibutyl phthalate has good plasticizing performance, gelling capacity, stability, flexibility resistance, cohesiveness and waterproofness, and the diphenylmethane diisocyanate has good high-temperature resistance, so that the waterproof and heat-resistant performances of the double faced adhesive tape can be improved; the dioctyl sebacate has good plasticizing performance and excellent durability, and can further enhance the plasticizing performance of dibutyl phthalate.
Description
Technical Field
The invention relates to the technical field of double-sided adhesive tapes, in particular to a high-efficiency heat-conducting double-sided adhesive tape and a preparation process thereof.
Background
The double-sided adhesive tape is a roll-shaped adhesive tape which is prepared by using paper, cloth and a plastic film as base materials and uniformly coating an elastomer pressure-sensitive adhesive or a resin pressure-sensitive adhesive on the base materials, and consists of the base materials, an adhesive, release paper (film) or silicone oil paper.
At present, the existing double-sided adhesive tape uses cotton paper, PET, PVC film, non-woven fabric, foam, acrylic foam, thin film and the like as base materials, and elastic pressure-sensitive adhesive or resin pressure-sensitive adhesive, acrylic pressure-sensitive adhesive and the like are uniformly coated on both sides. However, the existing double-sided adhesive tape has poor waterproof and heat-resistant performances when in use, and the situation that the bonded articles fall off easily occurs when in use.
Disclosure of Invention
The invention aims to provide an efficient heat-conducting double-sided adhesive tape and a preparation process thereof, and aims to solve the problems that the existing double-sided adhesive tape is poor in waterproof and heat-resistant performance when in use and the bonded articles are easy to fall off when in use.
In order to achieve the purpose, the invention provides the following technical scheme: an efficient bond ply comprising: the PET substrate layer, adhesive layer and from type paper layer, the two sides of PET substrate layer all covers there is the adhesive layer, adhesive layer surface bonding has from type paper layer.
Preferably, the preparation steps of the double-sided adhesive tape are as follows:
step 1: direct coating: coating adhesive layers with the same thickness on two surfaces of the PET substrate layer;
step 2: and (3) drying: putting the PET substrate layer coated with the adhesive layer in the step 1 into an oven for drying, controlling the temperature to be 60-70 ℃, and enabling heat to be continuously transferred into the adhesive from air and a solvent to be continuously diffused from the inside of the adhesive layer to the surface;
and step 3: shaping: and (3) after the drying in the step (2) is finished, gluing and hot-pressing the adhesive layer on the PET substrate layer in a high-frequency press with the hot-pressing unit pressure of 1 MPa. The hot pressing technological parameters are as follows: and (3) closing the high frequency when the temperature of the central layer in the high-frequency electric field reaches about 150 ℃, relieving the pressure to 0.3MPa after 10min, and taking out after 5 min.
Preferably, the adhesive layer (2) is made of the following materials: 40-80 parts of E51 epoxy resin, 40-60 parts of nitrile rubber, 20-50 parts of No. 600 epoxy diluent, 10-20 parts of dioctyl sebacate, 38-50 parts of polyamide curing agent 651, 14-28 parts of diphenylmethane diisocyanate and 2-10 parts of dibutyl phthalate.
Preferably, the adhesive layer (2) is made of the following materials: e51 epoxy resin (40), nitrile rubber (40), No. 600 epoxy diluent (20), dioctyl sebacate (10), polyamide curing agent 651(38), diphenylmethane diisocyanate (14) and dibutyl phthalate (2).
Preferably, the adhesive layer (2) is made of the following materials: 60 parts of E51 epoxy resin, 50 parts of nitrile rubber, 35 parts of No. 600 epoxy diluent, 15 parts of dioctyl sebacate, 651(43) parts of polyamide curing agent, 22 parts of diphenylmethane diisocyanate and 6 parts of dibutyl phthalate.
Preferably, the adhesive layer (2) is made of the following materials: e51 epoxy resin (80), nitrile rubber (60), No. 600 epoxy diluent (50), dioctyl sebacate (20), polyamide curing agent 651(50), diphenylmethane diisocyanate (28) and dibutyl phthalate (10).
Preferably, the production steps of the adhesive are as follows:
s1: mixing E51 epoxy resin, nitrile rubber, No. 600 epoxy diluent and dioctyl sebacate for 5min under the condition of 1500-2000 rpm;
s2: adding filler diphenylmethane diisocyanate and dibutyl phthalate into the mixed solution in the S1, mixing for 3min, and adding a defoaming agent to obtain an emulsion;
s3: and finally, adding a polyamide curing agent 651 into the emulsion glue to accelerate the curing of the solution, thereby obtaining the adhesive.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the dibutyl phthalate has good plasticizing performance, gelling capability, stability, flexing resistance, cohesiveness and waterproofness, and the diphenylmethane diisocyanate has good high temperature resistance, so that the waterproofness and heat resistance of the double faced adhesive tape can be improved.
2. The dioctyl sebacate has good plasticizing performance and excellent durability, and can further enhance the plasticizing performance of dibutyl phthalate.
Drawings
Fig. 1 is a cross-sectional view of the double-sided adhesive tape of the present invention.
In the figure: 1 PET substrate layer, 2 adhesive layers, 3 release paper layers.
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, a high efficiency double sided adhesive tape shown in the figure includes: PET substrate layer 1, adhesive layer 2 and release paper layer 3, the two sides of PET substrate layer 1 have all covered adhesive layer 2, and adhesive layer 2 surface bonds has release paper layer 3.
The preparation steps of the double-sided adhesive tape are as follows:
step 1: direct coating: coating adhesive layers 2 with the same thickness on two surfaces of a PET substrate layer 1;
step 2: and (3) drying: putting the PET substrate layer 1 coated with the adhesive layer 2 in the step 1 into an oven for drying, controlling the temperature to be 60-70 ℃, and enabling heat to be continuously transferred into the adhesive from air and a solvent to be continuously diffused from the inside of the adhesive layer to the surface;
and step 3: shaping: after the drying in step 2 is completed, the adhesive layer 2 on the PET substrate layer 1 is subjected to gluing and hot pressing in a high-frequency press with a hot pressing unit pressure of 1 MPa. The hot pressing technological parameters are as follows: and (3) closing the high frequency when the temperature of the central layer in the high-frequency electric field reaches about 150 ℃, relieving the pressure to 0.3MPa after 10min, and taking out after 5 min.
The adhesive layer (2) is made of the following materials: e51 epoxy resin (40), nitrile rubber (40), No. 600 epoxy diluent (20), dioctyl sebacate (10), polyamide curing agent 651(38), diphenylmethane diisocyanate (14) and dibutyl phthalate (2).
The production steps of the adhesive are as follows:
s1: mixing 40 parts of E51 epoxy resin, 40 parts of nitrile rubber, 20 parts of No. 600 epoxy diluent and 10 parts of dioctyl sebacate for 5min at 1500-2000 rpm;
s2: adding 14 parts of filler diphenylmethane diisocyanate and 2 parts of dibutyl phthalate into the mixed solution in the S1, mixing for 3min, and adding a defoaming agent to obtain an emulsion adhesive;
s3: finally, adding 651(38) parts of polyamide curing agent into the emulsion glue to accelerate the curing of the solution, thereby obtaining the adhesive.
When this double faced adhesive tape uses: because the dibutyl phthalate has good plasticizing performance, gelling capacity, stability, flexibility resistance, cohesiveness and waterproofness, the diphenylmethane diisocyanate has good high temperature resistance, so that the waterproof and heat-resistant performances of the double faced adhesive tape can be improved; the dioctyl sebacate has good plasticizing performance and excellent durability, and can further enhance the plasticizing performance of dibutyl phthalate
Example 2
Referring to fig. 1, this embodiment further illustrates embodiment 1, in which a high efficiency double sided thermal adhesive tape includes: PET substrate layer 1, adhesive layer 2 and release paper layer 3, the two sides of PET substrate layer 1 have all covered adhesive layer 2, and adhesive layer 2 surface bonds has release paper layer 3.
The preparation steps of the double-sided adhesive tape are as follows:
step 1: direct coating: coating adhesive layers 2 with the same thickness on two surfaces of a PET substrate layer 1;
step 2: and (3) drying: putting the PET substrate layer 1 coated with the adhesive layer 2 in the step 1 into an oven for drying, controlling the temperature to be 60-70 ℃, and enabling heat to be continuously transferred into the adhesive from air and a solvent to be continuously diffused from the inside of the adhesive layer to the surface;
and step 3: shaping: after the drying in step 2 is completed, the adhesive layer 2 on the PET substrate layer 1 is subjected to gluing and hot pressing in a high-frequency press with a hot pressing unit pressure of 1 MPa. The hot pressing technological parameters are as follows: and (3) closing the high frequency when the temperature of the central layer in the high-frequency electric field reaches about 150 ℃, relieving the pressure to 0.3MPa after 10min, and taking out after 5 min.
The adhesive layer (2) is made of the following materials: 60 parts of E51 epoxy resin, 50 parts of nitrile rubber, 35 parts of No. 600 epoxy diluent, 15 parts of dioctyl sebacate, 651(43) parts of polyamide curing agent, 22 parts of diphenylmethane diisocyanate and 6 parts of dibutyl phthalate.
The production steps of the adhesive are as follows:
s1: mixing 60 parts of E51 epoxy resin, 50 parts of nitrile rubber, 35 parts of No. 600 epoxy diluent and 15 parts of dioctyl sebacate for 5min at 1500-2000 rpm;
s2: adding 22 parts of filler diphenylmethane diisocyanate and 6 parts of dibutyl phthalate into the mixed solution in the S1, mixing for 3min, and adding a defoaming agent to obtain an emulsion adhesive;
s3: finally, adding 651(43) parts of polyamide curing agent into the emulsion glue to accelerate the curing of the solution, thereby obtaining the adhesive.
Example 3
Referring to fig. 1, another embodiment of the present invention is further illustrated, in which an efficient bond ply includes: PET substrate layer 1, adhesive layer 2 and release paper layer 3, the two sides of PET substrate layer 1 have all covered adhesive layer 2, and adhesive layer 2 surface bonds has release paper layer 3.
The preparation steps of the double-sided adhesive tape are as follows:
step 1: direct coating: coating adhesive layers 2 with the same thickness on two surfaces of a PET substrate layer 1;
step 2: and (3) drying: putting the PET substrate layer 1 coated with the adhesive layer 2 in the step 1 into an oven for drying, controlling the temperature to be 60-70 ℃, and enabling heat to be continuously transferred into the adhesive from air and a solvent to be continuously diffused from the inside of the adhesive layer to the surface;
and step 3: shaping: after the drying in step 2 is completed, the adhesive layer 2 on the PET substrate layer 1 is subjected to gluing and hot pressing in a high-frequency press with a hot pressing unit pressure of 1 MPa. The hot pressing technological parameters are as follows: and (3) closing the high frequency when the temperature of the central layer in the high-frequency electric field reaches about 150 ℃, relieving the pressure to 0.3MPa after 10min, and taking out after 5 min.
The adhesive layer (2) is made of the following materials: e51 epoxy resin (80), nitrile rubber (60), No. 600 epoxy diluent (50), dioctyl sebacate (20), polyamide curing agent 651(50), diphenylmethane diisocyanate (28) and dibutyl phthalate (10).
The production steps of the adhesive are as follows:
s1: mixing 80 parts of E51 epoxy resin, 60 parts of nitrile rubber, 50 parts of No. 600 epoxy diluent and 20 parts of dioctyl sebacate for 5min at 1500-2000 rpm;
s2: adding filler diphenylmethane diisocyanate (28) and dibutyl phthalate (10) into the mixed solution in the S1, mixing for 3min, and adding a defoaming agent to obtain an emulsion adhesive;
s3: finally, adding 651(50) parts of polyamide curing agent into the emulsion glue to accelerate the curing of the solution, thereby obtaining the adhesive.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
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 (7)
1. An efficient heat-conducting double-sided adhesive tape is characterized by comprising: PET substrate layer (1), adhesive layer (2) and release paper layer (3), the two sides of PET substrate layer (1) all cover has adhesive layer (2), adhesive layer (2) surface bonding has release paper layer (3).
2. The preparation process of the efficient heat-conducting double-sided adhesive tape according to claim 1, characterized in that: the preparation steps of the double-sided adhesive tape are as follows:
step 1: direct coating: coating adhesive layers (2) with the same thickness on two surfaces of the PET substrate layer (1);
step 2: and (3) drying: putting the PET substrate layer (1) coated with the adhesive layer (2) in the step (1) into an oven for drying, controlling the temperature to be 60-70 ℃, and enabling heat to be continuously transferred into the adhesive from air and a solvent to be continuously diffused from the inside of the adhesive layer to the surface;
and step 3: shaping: after the drying in the step 2 is completed, the adhesive layer (2) on the PET substrate layer (1) is glued and hot-pressed in a high-frequency press with the hot-pressing unit pressure of 1 MPa. The hot pressing technological parameters are as follows: and (3) closing the high frequency when the temperature of the central layer in the high-frequency electric field reaches about 150 ℃, relieving the pressure to 0.3MPa after 10min, and taking out after 5 min.
3. The efficient heat-conducting double-sided adhesive tape and the preparation process thereof according to claim 1, characterized in that: the adhesive layer (2) is made of the following materials: 40-80 parts of E51 epoxy resin, 40-60 parts of nitrile rubber, 20-50 parts of No. 600 epoxy diluent, 10-20 parts of dioctyl sebacate, 38-50 parts of polyamide curing agent 651, 14-28 parts of diphenylmethane diisocyanate and 2-10 parts of dibutyl phthalate.
4. The efficient heat-conducting double-sided adhesive tape and the preparation process thereof according to claim 3, characterized in that: the adhesive layer (2) is made of the following materials: e51 epoxy resin (40), nitrile rubber (40), No. 600 epoxy diluent (20), dioctyl sebacate (10), polyamide curing agent 651(38), diphenylmethane diisocyanate (14) and dibutyl phthalate (2).
5. The efficient heat-conducting double-sided adhesive tape and the preparation process thereof according to claim 3, characterized in that: the adhesive layer (2) is made of the following materials: 60 parts of E51 epoxy resin, 50 parts of nitrile rubber, 35 parts of No. 600 epoxy diluent, 15 parts of dioctyl sebacate, 651(43) parts of polyamide curing agent, 22 parts of diphenylmethane diisocyanate and 6 parts of dibutyl phthalate.
6. The efficient heat-conducting double-sided adhesive tape and the preparation process thereof according to claim 3, characterized in that: the adhesive layer (2) is made of the following materials: e51 epoxy resin (80), nitrile rubber (60), No. 600 epoxy diluent (50), dioctyl sebacate (20), polyamide curing agent 651(50), diphenylmethane diisocyanate (28) and dibutyl phthalate (10).
7. The efficient heat-conducting double-sided adhesive tape and the preparation process thereof according to claim 3, characterized in that: the production steps of the adhesive are as follows:
s1: mixing E51 epoxy resin, nitrile rubber, No. 600 epoxy diluent and dioctyl sebacate for 5min under the condition of 1500-2000 rpm;
s2: adding filler diphenylmethane diisocyanate and dibutyl phthalate into the mixed solution in the S1, mixing for 3min, and adding a defoaming agent to obtain an emulsion;
s3: and finally, adding a polyamide curing agent 651 into the emulsion glue to accelerate the curing of the solution, thereby obtaining the adhesive.
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| CN202110946623.8A CN113637422A (en) | 2021-08-18 | 2021-08-18 | Efficient heat-conducting double-sided adhesive tape and preparation process thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117698258A (en) * | 2024-01-19 | 2024-03-15 | 安徽润辉高分子材料科技有限公司 | High-temperature-resistant composite film for vacuum bag and preparation method thereof |
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|---|---|---|---|---|
| CN117698258A (en) * | 2024-01-19 | 2024-03-15 | 安徽润辉高分子材料科技有限公司 | High-temperature-resistant composite film for vacuum bag and preparation method thereof |
| CN117698258B (en) * | 2024-01-19 | 2024-06-11 | 安徽润辉高分子材料科技有限公司 | High-temperature-resistant composite film for vacuum bag and preparation method thereof |
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