CN117645685A - Preparation method of photovoltaic backboard material with strong adhesive force - Google Patents
Preparation method of photovoltaic backboard material with strong adhesive force Download PDFInfo
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- CN117645685A CN117645685A CN202311288943.4A CN202311288943A CN117645685A CN 117645685 A CN117645685 A CN 117645685A CN 202311288943 A CN202311288943 A CN 202311288943A CN 117645685 A CN117645685 A CN 117645685A
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- mold
- polyvinyl alcohol
- adhesive force
- hours
- photovoltaic
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- 239000000463 material Substances 0.000 title claims abstract description 50
- 239000000853 adhesive Substances 0.000 title claims abstract description 25
- 230000001070 adhesive effect Effects 0.000 title claims abstract description 25
- 238000002360 preparation method Methods 0.000 title claims abstract description 17
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims abstract description 68
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 51
- BAPJBEWLBFYGME-UHFFFAOYSA-N Methyl acrylate Chemical compound COC(=O)C=C BAPJBEWLBFYGME-UHFFFAOYSA-N 0.000 claims abstract description 44
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims abstract description 44
- 239000004372 Polyvinyl alcohol Substances 0.000 claims abstract description 40
- 229920002451 polyvinyl alcohol Polymers 0.000 claims abstract description 40
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims abstract description 22
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims abstract description 22
- 239000002105 nanoparticle Substances 0.000 claims abstract description 22
- 239000011787 zinc oxide Substances 0.000 claims abstract description 22
- 238000003756 stirring Methods 0.000 claims abstract description 20
- 239000011259 mixed solution Substances 0.000 claims abstract description 19
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 15
- 235000012239 silicon dioxide Nutrition 0.000 claims abstract description 13
- 239000000243 solution Substances 0.000 claims abstract description 12
- 238000009210 therapy by ultrasound Methods 0.000 claims abstract description 11
- 238000001035 drying Methods 0.000 claims abstract description 10
- 238000002156 mixing Methods 0.000 claims abstract description 10
- 239000000203 mixture Substances 0.000 claims abstract description 10
- 238000012360 testing method Methods 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 16
- 239000000741 silica gel Substances 0.000 claims description 14
- 229910002027 silica gel Inorganic materials 0.000 claims description 14
- 230000008859 change Effects 0.000 claims description 5
- 238000010008 shearing Methods 0.000 claims description 4
- 230000000052 comparative effect Effects 0.000 description 14
- 239000002253 acid Substances 0.000 description 8
- 239000002994 raw material Substances 0.000 description 7
- 230000008569 process Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 238000009864 tensile test Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Abstract
The invention discloses a preparation method of a back plate material with strong adhesive force for photovoltaic, which comprises the following steps: a) Adding polyvinyl alcohol into isopropanol at room temperature, and stirring until the polyvinyl alcohol is dissolved; b) Adding zinc oxide nano particles and silicon dioxide, and continuously stirring until the mixture is uniformly dispersed; c) Mixing methyl acrylate and acrylic acid, adding into the solution, and performing ultrasonic treatment for 30 minutes to ensure that all components are fully mixed; d) Pouring the mixed solution into a mold, placing the mold in a vacuum oven, drying the mold at 60 ℃ for 12 hours, and then curing the mold at 150 ℃ for 6 hours; e) Taking out the sample, and cutting the sample into a required size; the invention has excellent waterproof and moistureproof capability, and can protect the solar cell module from being damaged by moisture and humidity.
Description
Technical Field
The invention relates to the technical field of solar cells, in particular to a preparation method of a back plate material with strong adhesive force for photovoltaic.
Background
The back plate material for the photovoltaic with strong adhesive force can effectively protect the back surface of the solar cell, and improve the stability and the service life of the solar cell module. At present, various preparation methods and materials are available for preparing the back plate material for the photovoltaic, but the prior art still has some defects, such as poor bonding effect between the back plate material and silica gel, insufficient waterproof and moistureproof capability and the like.
In order to solve the problems, a preparation method of a photovoltaic back sheet material with strong adhesive force is provided. According to the method, polyvinyl alcohol (PVA) and zinc oxide nano particles are used as base materials, components such as methyl acrylate (MMA), acrylic Acid (AC), silicon dioxide (SiO 2) and the like are added, and the back plate material for the photovoltaic with excellent adhesive force and durability is prepared through ultrasonic treatment and curing processes.
Disclosure of Invention
The invention aims to provide a preparation method of a photovoltaic backboard material with strong adhesive force, and the preparation method has the advantages of strong adhesive force, good waterproof performance and low cost.
In order to achieve the above purpose, the present invention provides the following technical solutions: the photovoltaic backboard material with strong adhesive force comprises the following components:
polyvinyl alcohol: 0.5-1.5wt%
Zinc oxide nanoparticles: 0.01-1.0wt%
Methyl acrylate: 5-15wt%
Acrylic acid: 1-10wt%
Silica: 0.05-0.15wt%
Isopropyl alcohol: and a proper amount.
A preparation method of a photovoltaic backboard material with strong adhesive force comprises the following steps:
a) Adding polyvinyl alcohol into isopropanol at room temperature, and stirring until the polyvinyl alcohol is dissolved;
b) Adding zinc oxide nano particles and silicon dioxide, and continuously stirring until the mixture is uniformly dispersed;
c) Mixing methyl acrylate and acrylic acid, adding into the solution, and performing ultrasonic treatment for 30 minutes to ensure that all components are fully mixed;
d) Pouring the mixed solution into a mold, placing the mold in a vacuum oven, drying the mold at 60 ℃ for 12 hours, and then curing the mold at 150 ℃ for 6 hours;
e) The sample was removed and cut to the desired size.
Preferably, the mold is a mold suitable for producing a backsheet material for photovoltaic use.
Preferably, the mass ratio of the polyvinyl alcohol, the zinc oxide nano particles, the methyl acrylate, the acrylic acid and the silicon dioxide can be adjusted according to actual needs.
Preferably, the shearing strength between the back plate material and the silica gel is more than 6.0MPa, the thermal expansion coefficient is matched with the silica gel, the back plate material can still keep firm adhesion after 50 phase change cycle tests, and the tensile strength is more than 12.0MPa.
Compared with the prior art, the invention has the following beneficial effects:
1. the back plate material has good bonding effect with the silica gel, and can effectively avoid the back plate material from falling off or shifting.
2. Has excellent waterproof and moistureproof capability, and can protect the solar cell module from being damaged by moisture and humidity.
3. The production process is simple, the cost is low, and the large-scale production can be realized.
Detailed Description
The technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
The raw materials are as follows:
polyvinyl alcohol (PVA): 1.0wt%
Zinc oxide nanoparticles: 0.05wt%
Methyl Acrylate (MMA): 10wt%
Acrylic Acid (AC): 5wt%
Silica (SiO 2): 0.1wt%
Isopropyl alcohol (IPA): and a proper amount.
A preparation method of a photovoltaic backboard material with strong adhesive force comprises the following steps:
a) Adding polyvinyl alcohol into isopropanol at room temperature, and stirring until the polyvinyl alcohol is dissolved;
b) Adding zinc oxide nano particles and silicon dioxide, and continuously stirring until the mixture is uniformly dispersed;
c) Mixing methyl acrylate and acrylic acid, adding into the solution, and performing ultrasonic treatment for 30 minutes to ensure that all components are fully mixed;
d) Pouring the mixed solution into a mold, placing the mold in a vacuum oven, drying the mold at 60 ℃ for 12 hours, and then curing the mold at 150 ℃ for 6 hours;
e) The sample was removed and cut to the desired size.
Example two
The raw materials are as follows:
polyvinyl alcohol (PVA): 1.0wt%
Zinc oxide nanoparticles: 0.05wt%
Methyl Acrylate (MMA): 10wt%
Acrylic Acid (AC): 5wt%
Silica (SiO 2): 0.1wt%
Isopropyl alcohol (IPA): and a proper amount.
A preparation method of a photovoltaic backboard material with strong adhesive force comprises the following steps:
a) Adding polyvinyl alcohol into isopropanol at room temperature, and stirring until the polyvinyl alcohol is dissolved;
b) Adding zinc oxide nano particles and silicon dioxide, and continuously stirring until the mixture is uniformly dispersed;
c) Mixing methyl acrylate and acrylic acid, adding into the solution, and performing ultrasonic treatment for 20 minutes to ensure that all components are fully mixed;
d) Pouring the mixed solution into a mold, placing the mold in a vacuum oven, drying the mold at 60 ℃ for 12 hours, and then curing the mold at 150 ℃ for 6 hours;
e) The sample was removed and cut to the desired size.
Example III
The raw materials are as follows:
polyvinyl alcohol (PVA): 1.0wt%
Zinc oxide nanoparticles: 0.05wt%
Methyl Acrylate (MMA): 10wt%
Acrylic Acid (AC): 5wt%
Silica (SiO 2): 0.1wt%
Isopropyl alcohol (IPA): and a proper amount.
A preparation method of a photovoltaic backboard material with strong adhesive force comprises the following steps:
a) Adding polyvinyl alcohol into isopropanol at room temperature, and stirring until the polyvinyl alcohol is dissolved;
b) Adding zinc oxide nano particles and silicon dioxide, and continuously stirring until the mixture is uniformly dispersed;
c) Mixing methyl acrylate and acrylic acid, adding into the solution, and performing ultrasonic treatment for 40 minutes to ensure that all components are fully mixed;
d) Pouring the mixed solution into a mold, placing the mold in a vacuum oven, drying the mold at 60 ℃ for 12 hours, and then curing the mold at 150 ℃ for 6 hours;
e) The sample was removed and cut to the desired size.
Example IV
The raw materials are as follows:
polyvinyl alcohol (PVA): 1.0wt%
Zinc oxide nanoparticles: 0.05wt%
Methyl Acrylate (MMA): 10wt%
Acrylic Acid (AC): 5wt%
Silica (SiO 2): 0.1wt%
Isopropyl alcohol (IPA): and a proper amount.
A preparation method of a photovoltaic backboard material with strong adhesive force comprises the following steps:
a) Adding polyvinyl alcohol into isopropanol at room temperature, and stirring until the polyvinyl alcohol is dissolved;
b) Adding zinc oxide nano particles and silicon dioxide, and continuously stirring until the mixture is uniformly dispersed;
c) Mixing methyl acrylate and acrylic acid, adding into the solution, and performing ultrasonic treatment for 50 minutes to ensure that all components are fully mixed;
d) Pouring the mixed solution into a mold, placing the mold in a vacuum oven, drying the mold at 60 ℃ for 12 hours, and then curing the mold at 150 ℃ for 6 hours;
e) The sample was removed and cut to the desired size.
Example five
The raw materials are as follows:
polyvinyl alcohol (PVA): 1.0wt%
Zinc oxide nanoparticles: 0.05wt%
Methyl Acrylate (MMA): 10wt%
Acrylic Acid (AC): 5wt%
Silica (SiO 2): 0.1wt%
Isopropyl alcohol (IPA): and a proper amount.
A preparation method of a photovoltaic backboard material with strong adhesive force comprises the following steps:
a) Adding polyvinyl alcohol into isopropanol at room temperature, and stirring until the polyvinyl alcohol is dissolved;
b) Adding zinc oxide nano particles and silicon dioxide, and continuously stirring until the mixture is uniformly dispersed;
c) Mixing methyl acrylate and acrylic acid, adding into the solution, and performing ultrasonic treatment for 30 minutes to ensure that all components are fully mixed;
d) Pouring the mixed solution into a mold, placing the mold in a vacuum oven, drying the mold at 60 ℃ for 12 hours, and then curing the mold at 130 ℃ for 6 hours;
e) The sample was removed and cut to the desired size.
Example six
The raw materials are as follows:
polyvinyl alcohol (PVA): 1.0wt%
Zinc oxide nanoparticles: 0.05wt%
Methyl Acrylate (MMA): 10wt%
Acrylic Acid (AC): 5wt%
Silica (SiO 2): 0.1wt%
Isopropyl alcohol (IPA): and a proper amount.
A preparation method of a photovoltaic backboard material with strong adhesive force comprises the following steps:
a) Adding polyvinyl alcohol into isopropanol at room temperature, and stirring until the polyvinyl alcohol is dissolved;
b) Adding zinc oxide nano particles and silicon dioxide, and continuously stirring until the mixture is uniformly dispersed;
c) Mixing methyl acrylate and acrylic acid, adding into the solution, and performing ultrasonic treatment for 30 minutes to ensure that all components are fully mixed;
d) Pouring the mixed solution into a mold, placing the mold in a vacuum oven, drying the mold at 60 ℃ for 12 hours, and then curing the mold at 170 ℃ for 6 hours;
e) The sample was removed and cut to the desired size.
Example seven
The raw materials are as follows:
polyvinyl alcohol (PVA): 1.0wt%
Zinc oxide nanoparticles: 0.05wt%
Methyl Acrylate (MMA): 10wt%
Acrylic Acid (AC): 5wt%
Silica (SiO 2): 0.1wt%
Isopropyl alcohol (IPA): and a proper amount.
A preparation method of a photovoltaic backboard material with strong adhesive force comprises the following steps:
a) Adding polyvinyl alcohol into isopropanol at room temperature, and stirring until the polyvinyl alcohol is dissolved;
b) Adding zinc oxide nano particles and silicon dioxide, and continuously stirring until the mixture is uniformly dispersed;
c) Mixing methyl acrylate and acrylic acid, adding into the solution, and performing ultrasonic treatment for 30 minutes to ensure that all components are fully mixed;
d) Pouring the mixed solution into a mold, placing the mold in a vacuum oven, drying the mold at 60 ℃ for 12 hours, and then curing the mold at 200 ℃ for 6 hours;
e) The sample was removed and cut to the desired size.
Comparative examples 1 to 8 and blank experiment group 1
Comparative examples 1-8, blank test group 1 and the back sheet material prepared in example 1 were adjusted only in curing temperature.
In particular to
In comparative example 1, the mixed solution was poured into a mold, placed in a vacuum oven, dried at 60℃for 12 hours, and then cured at 130℃for 6 hours.
In comparative example 2, the mixed solution was poured into a mold, placed in a vacuum oven, dried at 60℃for 12 hours, and then cured at 140℃for 6 hours.
In comparative example 3, the mixed solution was poured into a mold, placed in a vacuum oven, dried at 60℃for 12 hours, and then cured at 150℃for 6 hours.
In comparative example 4, the mixed solution was poured into a mold, placed in a vacuum oven, dried at 60℃for 12 hours, and then cured at 160℃for 6 hours.
In comparative example 5, the mixed solution was poured into a mold, placed in a vacuum oven, dried at 60℃for 12 hours, and then cured at 170℃for 6 hours.
In comparative example 6, the mixed solution was poured into a mold, placed in a vacuum oven, dried at 60℃for 12 hours, and then cured at 180℃for 6 hours.
In comparative example 7, the mixed solution was poured into a mold, placed in a vacuum oven, dried at 60℃for 12 hours, and then cured at 190℃for 6 hours.
In comparative example 8, the mixed solution was poured into a mold, placed in a vacuum oven, dried at 60℃for 12 hours, and then cured at 200℃for 6 hours.
Blank experiment group 1, the mixed solution was poured into a mold, placed in a vacuum oven, dried at 60 ℃ for 12 hours, and then cured at 25 ℃ for 6 hours.
Shear Strength test
The materials prepared in each of the above comparative examples, blank test group 1 and example 1 were taken, the back sheet material was bonded with silica gel, and the samples were subjected to shear strength test using a shear tester.
Thermal expansion test
The materials prepared in each of the comparative examples, blank test group 1 and example 1 were taken, the back sheet material was bonded to silica gel, and the samples were put into a thermal expansion tester to perform thermal expansion test.
Phase change cycle test
The materials prepared in each of the above comparative examples, blank test group 1 and example 1 were taken, and the back sheet material was bonded to silica gel, and subjected to 50 phase change cycle tests.
Tensile testing
The materials prepared in each of the above comparative examples, blank test group 1 and example 1 were taken, the back sheet material was bonded with silica gel, and the samples were subjected to tensile test using a tensile tester.
The test results were as follows:
to sum up:
(1) The shearing strength test result shows that the strength value of the back plate material in the shearing strength test is 6.2MPa, and the back plate material meets the standard of strong adhesive force which the back plate material for the photovoltaic has.
(2) The thermal expansion test result shows that the back plate material and the silica gel are firmly bonded, and no separation phenomenon occurs, so that the thermal expansion test is qualified.
(3) The phase change circulation test result shows that the back plate material and the silica gel are firmly bonded, and no separation phenomenon occurs, so that the adhesive force is strong.
(4) The tensile test result shows that no separation or sliding phenomenon occurs between the back plate material and the silica gel in the test process, and the tensile strength is as high as 12.5MPa, so that the standard of strong adhesive force which the back plate material for the photovoltaic is supposed to have is met.
It is noted that relational terms such as first and second, and the like are 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. Moreover, 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. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The back plate material for the photovoltaic is characterized by comprising the following components:
polyvinyl alcohol: 0.5-1.5wt%
Zinc oxide nanoparticles: 0.01-1.0wt%
Methyl acrylate: 5-15wt%
Acrylic acid: 1-10wt%
Silica: 0.05-0.15wt%
Isopropyl alcohol: and a proper amount.
2. A preparation method of a photovoltaic backboard material with strong adhesive force is characterized by comprising the following steps: the method comprises the following steps:
a) Adding polyvinyl alcohol into isopropanol at room temperature, and stirring until the polyvinyl alcohol is dissolved;
b) Adding zinc oxide nano particles and silicon dioxide, and continuously stirring until the mixture is uniformly dispersed;
c) Mixing methyl acrylate and acrylic acid, adding into the solution, and performing ultrasonic treatment for 30 minutes to ensure that all components are fully mixed;
d) Pouring the mixed solution into a mold, placing the mold in a vacuum oven, drying the mold at 60 ℃ for 12 hours, and then curing the mold at 150 ℃ for 6 hours;
e) The sample was removed and cut to the desired size.
3. The method for preparing the photovoltaic backboard material with strong adhesive force according to claim 2, wherein the method is characterized in that: wherein the mold is a mold suitable for producing a backsheet material for photovoltaic use.
4. The method for preparing the photovoltaic backboard material with strong adhesive force according to claim 2, wherein the method is characterized in that: wherein the mass ratio of the polyvinyl alcohol, the zinc oxide nano particles, the methyl acrylate, the acrylic acid and the silicon dioxide can be adjusted according to actual needs.
5. The method for preparing the photovoltaic backboard material with strong adhesive force according to claim 2, wherein the method is characterized in that: wherein the shearing strength between the back plate material and the silica gel is more than 6.0MPa, the thermal expansion coefficient is matched with the silica gel, the back plate material and the silica gel can still keep firm adhesion after 50 phase change cycle tests, and the tensile strength is more than 12.0MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311288943.4A CN117645685A (en) | 2023-10-08 | 2023-10-08 | Preparation method of photovoltaic backboard material with strong adhesive force |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311288943.4A CN117645685A (en) | 2023-10-08 | 2023-10-08 | Preparation method of photovoltaic backboard material with strong adhesive force |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117645685A true CN117645685A (en) | 2024-03-05 |
Family
ID=90042210
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311288943.4A Pending CN117645685A (en) | 2023-10-08 | 2023-10-08 | Preparation method of photovoltaic backboard material with strong adhesive force |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117645685A (en) |
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2023
- 2023-10-08 CN CN202311288943.4A patent/CN117645685A/en active Pending
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