CN217499138U - High-peel-strength BOPP adhesive tape - Google Patents
High-peel-strength BOPP adhesive tape Download PDFInfo
- Publication number
- CN217499138U CN217499138U CN202221610055.0U CN202221610055U CN217499138U CN 217499138 U CN217499138 U CN 217499138U CN 202221610055 U CN202221610055 U CN 202221610055U CN 217499138 U CN217499138 U CN 217499138U
- Authority
- CN
- China
- Prior art keywords
- bopp
- film
- layer
- adhesive tape
- adhesive
- 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
- 229920006378 biaxially oriented polypropylene Polymers 0.000 title claims abstract description 139
- 239000011127 biaxially oriented polypropylene Substances 0.000 title claims abstract description 139
- 239000002390 adhesive tape Substances 0.000 title claims abstract description 42
- 239000010410 layer Substances 0.000 claims abstract description 91
- 238000009413 insulation Methods 0.000 claims abstract description 40
- 239000012790 adhesive layer Substances 0.000 claims abstract description 30
- 238000004026 adhesive bonding Methods 0.000 claims abstract description 13
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 50
- 239000004965 Silica aerogel Substances 0.000 claims description 42
- 239000010445 mica Substances 0.000 claims description 38
- 229910052618 mica group Inorganic materials 0.000 claims description 38
- 239000004831 Hot glue Substances 0.000 claims description 34
- 239000012792 core layer Substances 0.000 claims description 24
- 229920001721 polyimide Polymers 0.000 claims description 23
- 239000004744 fabric Substances 0.000 claims description 17
- 239000004005 microsphere Substances 0.000 claims description 12
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 11
- 239000010931 gold Substances 0.000 claims description 11
- 229910052737 gold Inorganic materials 0.000 claims description 11
- 230000003712 anti-aging effect Effects 0.000 claims description 7
- RJDOZRNNYVAULJ-UHFFFAOYSA-L [O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[F-].[F-].[Mg++].[Mg++].[Mg++].[Al+3].[Si+4].[Si+4].[Si+4].[K+] Chemical compound [O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[F-].[F-].[Mg++].[Mg++].[Mg++].[Al+3].[Si+4].[Si+4].[Si+4].[K+] RJDOZRNNYVAULJ-UHFFFAOYSA-L 0.000 claims description 6
- 229920002799 BoPET Polymers 0.000 claims description 5
- 238000004381 surface treatment Methods 0.000 claims description 5
- 239000004964 aerogel Substances 0.000 claims description 4
- 229920006231 aramid fiber Polymers 0.000 claims description 4
- 239000011159 matrix material Substances 0.000 claims description 4
- 239000000377 silicon dioxide Substances 0.000 claims description 4
- 235000012239 silicon dioxide Nutrition 0.000 claims description 4
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 3
- 239000004952 Polyamide Substances 0.000 claims description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 3
- 239000002253 acid Substances 0.000 claims description 3
- 239000004917 carbon fiber Substances 0.000 claims description 3
- 239000003365 glass fiber Substances 0.000 claims description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 3
- 229920002647 polyamide Polymers 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 239000010703 silicon Substances 0.000 claims description 3
- 239000010408 film Substances 0.000 description 120
- 239000000463 material Substances 0.000 description 27
- 229920002635 polyurethane Polymers 0.000 description 20
- 239000004814 polyurethane Substances 0.000 description 20
- 239000002131 composite material Substances 0.000 description 18
- 238000003851 corona treatment Methods 0.000 description 12
- 238000001816 cooling Methods 0.000 description 10
- 238000007731 hot pressing Methods 0.000 description 9
- 238000002360 preparation method Methods 0.000 description 7
- 239000012528 membrane Substances 0.000 description 6
- 239000010409 thin film Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000005096 rolling process Methods 0.000 description 5
- 239000000853 adhesive Substances 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000000178 monomer Substances 0.000 description 4
- 239000004820 Pressure-sensitive adhesive Substances 0.000 description 3
- 239000000839 emulsion Substances 0.000 description 3
- 239000003063 flame retardant Substances 0.000 description 3
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 2
- 239000011324 bead Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 229910052628 phlogopite Inorganic materials 0.000 description 2
- 229920005575 poly(amic acid) Polymers 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- NVKGJHAQGWCWDI-UHFFFAOYSA-N 4-[4-amino-2-(trifluoromethyl)phenyl]-3-(trifluoromethyl)aniline Chemical compound FC(F)(F)C1=CC(N)=CC=C1C1=CC=C(N)C=C1C(F)(F)F NVKGJHAQGWCWDI-UHFFFAOYSA-N 0.000 description 1
- -1 TFMB diamine Chemical class 0.000 description 1
- 238000005269 aluminizing Methods 0.000 description 1
- 150000008064 anhydrides Chemical class 0.000 description 1
- 239000004760 aramid Substances 0.000 description 1
- 229920003235 aromatic polyamide Polymers 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 150000004985 diamines Chemical class 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 231100000956 nontoxicity Toxicity 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- 238000009832 plasma treatment Methods 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000012945 sealing adhesive Substances 0.000 description 1
- DCKVNWZUADLDEH-UHFFFAOYSA-N sec-butyl acetate Chemical group CCC(C)OC(C)=O DCKVNWZUADLDEH-UHFFFAOYSA-N 0.000 description 1
- 229920002050 silicone resin Polymers 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
- 229910001928 zirconium oxide Inorganic materials 0.000 description 1
Images
Abstract
The application relates to the technical field of BOPP adhesive tapes, in particular to a high-peel-strength BOPP adhesive tape. The BOPP adhesive tape with the high peel strength comprises an adhesive layer, a BOPP combined film layer and a heat insulation layer, wherein the BOPP combined film layer comprises a first BOPP film and a second BOPP film, and the heat insulation layer is compounded between the first BOPP film and the second BOPP film; and the first BOPP film is compounded with the adhesive layer. This application can effectively improve holistic heat resistance through setting up the insulating layer, carries out heat-resisting protection to gluing agent layer, and then has improved the heat resistance and the peel strength of BOPP adhesive tape.
Description
Technical Field
The application relates to the technical field of BOPP adhesive tapes, in particular to a BOPP adhesive tape with high peel strength.
Background
The BOPP adhesive tape is also called as a sealing adhesive tape, has the advantages of thin thickness, good cost performance, no toxicity, no odor, good use safety, convenient use, puncture resistance and the like, and is an indispensable packaging article in light industrial enterprises, companies and personal life. Currently, the BOPP tapes in the related art are prepared from an adhesive and a BOPP film. The adhesive is mainly formed by pressure-sensitive adhesive emulsion, and the main component of the adhesive is butyl ester.
In the preparation method of the BOPP adhesive tape in the related technology, after the BOPP of the biaxially oriented polypropylene film is subjected to high-voltage corona treatment, the surface subjected to the high-voltage corona treatment is rough, the biaxially oriented polypropylene film BOPP is taken as a base material, the rough surface of the BOPP is coated with pressure-sensitive adhesive emulsion, the pressure-sensitive adhesive emulsion is dried to form a non-dry adhesive layer, and the non-dry adhesive layer is wound into a mother roll and cut into BOPP adhesive tape rolls with different specifications.
In practice, the applicant found that: the heat-resistant stability of the BOPP film in the BOPP tape in the related art is relatively poor, and when the external temperature rises above 80 ℃, the adhesive bonding strength of the adhesive in the BOPP tape is reduced, so that the overall bonding stability is deteriorated, and the overall packaging performance is affected. In summary, the BOPP tapes in the related art have a relatively poor heat resistance, and the application range and popularization of the BOPP tapes are limited.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems that the heat resistance of a BOPP adhesive tape in the related art is relatively poor, the application range of the BOPP adhesive tape is limited, and the BOPP adhesive tape is popularized, the application provides the BOPP adhesive tape with high peel strength.
The application provides a high peel strength BOPP adhesive tape, can realize through following technical scheme:
the BOPP adhesive tape with the high peel strength comprises an adhesive layer, a BOPP combined thin film layer and a heat insulation layer, wherein the BOPP combined thin film layer comprises a first BOPP thin film and a second BOPP thin film, and the heat insulation layer is compounded between the first BOPP thin film and the second BOPP thin film; the first BOPP film is compounded with the adhesive layer.
Through adopting above-mentioned technical scheme, holistic heat resistance can effectively be improved through setting up the insulating layer in this application, carries out heat-resisting protection to gluing agent layer, and then has improved the heat resistance and the peel strength of BOPP adhesive tape.
Preferably, the heat insulation layer is one of silica aerogel felt, phlogopite paper, synthetic mica paper and an aluminum-plated PET film.
Through adopting above-mentioned technical scheme, the insulating layer is preferred to be the silica aerogel felt, the phlogopite paper, synthetic mica paper, the PET membrane of aluminizing that have good thermal-insulated effect, can effectively improve the holistic fire-retardant thermal-insulated effect of this application, can make the BOPP adhesive tape in this application have wider application.
Preferably, the heat insulation layer is a silica aerogel felt; the thickness ratio of the silica aerogel felt to the first BOPP film to the second BOPP film is 4: 1: 1.
by adopting the technical scheme, the thermal insulation layer is preferably a silica aerogel felt with good thermal insulation effect, and the silica aerogel felt is light in weight, so that the transportation cost can be reduced, and a wide application field can be obtained. The price of the silica aerogel felt is higher than that of the gold mica paper, the synthetic mica paper and the aluminized PET film, and the BOPP adhesive tape prepared from the silica aerogel felt is suitable for high-end market demands.
Preferably, the thickness of the adhesive layer is controlled to be 8-12 micrometers; the thickness of the heat insulation layer is controlled to be 40-60 micrometers; the thickness of the first BOPP film and the second BOPP film is controlled to be 10-12 microns.
Through the thickness of control gluing agent layer, insulating layer, first BOPP film and second BOPP film, can carry out standardized operation to the processing technology of this application and prescribe a limit, guarantee the quality stability of this application single product guarantee the product of same batch simultaneously.
Preferably, the thermal insulation layer comprises a silica aerogel felt core layer and mica paper outer layers, and the silica aerogel felt core layer is compounded between the mica paper outer layers.
The heat insulation layer prepared by the silica aerogel felt core layer and the mica paper outer layer has better flame-retardant heat insulation effect and better insulation safety, and is suitable for insulation protection of electrical elements.
Preferably, the thickness of the silica aerogel felt core layer and the outer mica paper layer is 4-5: 1.
through adopting above-mentioned technical scheme, carry out standardized operation to the processing technology of this application and prescribe a limit, guarantee the quality stability of this application single product guarantee the same batch product simultaneously.
Preferably, a hot melt adhesive film layer is compounded on the surface of the mica paper outer layer, which is back to the silica aerogel felt core layer; the surface of the hot melt adhesive film layer is fixedly connected with hollow inorganic microspheres; the hollow inorganic microspheres are distributed on the surface of the hot melt adhesive film layer in a dot matrix manner.
Through adopting above-mentioned technical scheme, the thermal-insulated effect of this application can be improved to the inorganic microballon of cavity, and then promotes holistic stability in use, guarantees under the environment of being heated, and this application still has stronger peel strength.
Preferably, a polyimide film is compounded between the first BOPP film and the adhesive layer; the polyimide film is subjected to surface treatment to form an adhesion-promoting layer.
By adopting the technical scheme, the polyimide film can improve the weather resistance, heat resistance and radiation resistance of the polyimide film. In addition, the adhesion promotion layer of polyimide film can improve the bonding stability of polyimide film, and then guarantees the holistic life and the safety in utilization of this application.
Preferably, one surface of the mica paper outer layer, which is back to the upper surface of the silica aerogel felt core layer, is coated with organic silicon resin and preheated to form an adhesive layer; the adhesive layer is compounded with anti-tearing reinforced gridding cloth; the tear-resistant reinforced gridding cloth is one of glass fiber gridding cloth, carbon fiber gridding cloth and aramid fiber gridding cloth.
By adopting the technical scheme, the tensile strength can be improved, the better mechanical property is given to the application, and more application scenes can be used.
Preferably, a surface of the mica paper outer layer, which is opposite to the lower surface of the silica aerogel felt core layer, is coated with a polyamide acid (PAA) solution, and an anti-aging polyimide film is formed through thermal imidization.
By adopting the technical scheme, the anti-aging polyimide film has better weather resistance, heat resistance and radiation resistance.
In summary, the present application has the following advantages:
1. this application can effectively improve holistic heat resistance through setting up the insulating layer, carries out heat-resisting protection to gluing agent layer, and then has improved the heat resistance and the peel strength of BOPP adhesive tape.
2. The insulating protection device has better heat resistance and insulating safety, and can be used for insulating protection of electric elements.
Drawings
Fig. 1 is a schematic view of the overall structure of embodiment 1 in the present application.
Fig. 2 is a schematic view of the overall structure of embodiment 2 in the present application.
Fig. 3 is a schematic view of the overall structure of embodiment 3 in the present application.
Fig. 4 is a schematic view of the overall structure of embodiment 4 in the present application.
Fig. 5 is a schematic view of the overall structure of embodiment 5 in the present application.
In the figure, 1, an adhesive layer; 10. a polyimide film; 2. a BOPP combined film layer; 20. a release film; 21. a first BOPP film; 22. a second BOPP film; 3. a thermal insulation layer; 31. a silica aerogel blanket core layer; 32. an outer layer of mica paper; 33. an adhesive layer; 34. a tear-resistant reinforcing mesh fabric; 35. an anti-aging polyimide film; 4. a hot melt adhesive film layer; 40. and (4) an adhesion promoting layer.
Detailed Description
The present application will be described in further detail with reference to the following drawings and examples.
Example 1
Referring to fig. 1, the BOPP adhesive tape with high peel strength disclosed in the present application includes an adhesive layer 1, a BOPP combined film layer 2, a thermal insulation layer 3, and a release film 20, where the BOPP combined film layer 2 includes a first BOPP film 21 and a second BOPP film 22. The heat insulation layer 3 is hot-pressed and compounded between the first BOPP film 21 and the second BOPP film 22. The surface of the first BOPP film 21, which faces away from the heat insulation layer 3, is compositely bonded with the adhesive layer 1.
Referring to fig. 1, in order to realize standardized processing technology operation and guarantee the quality of a single product and the quality stability of products in the same batch, the thickness of the adhesive layer 1 is controlled to be 8-12 micrometers, and in this embodiment, the thickness of the adhesive layer 1 is controlled to be 10 micrometers. The thickness of the heat-insulating layer 3 is controlled to be 40-60 microns, and the thickness of the heat-insulating layer 3 is controlled to be 40 microns in the embodiment. The thickness of the first BOPP film 21 and the second BOPP film 22 is controlled to be 10 to 12 micrometers, and in this embodiment, the thickness of the first BOPP film 21 and the second BOPP film 22 is controlled to be 10 micrometers.
Referring to fig. 1, the insulation layer 3 may be selected according to the actual needs of the customer. The heat insulation layer 3 can be one of silicon dioxide aerogel felt, gold mica paper, synthetic mica paper and aluminum-plated PET film. Of these, silica aerogel blankets have better thermal insulation properties and a lighter weight, but are the most expensive of the four materials. Aluminized PET film is the least expensive of the four materials, but is relatively poor in insulating properties, primarily designed for low-end and medium-end use. The gold mica paper and the synthetic mica paper have good heat insulation and flame retardant properties and good insulation safety, and are suitable for insulation protection of electrical elements.
The preparation method of the BOPP adhesive tape with high peel strength comprises the following steps:
after the first BOPP film 21 and the second BOPP film 22 are subjected to high-voltage corona treatment, enabling the surface appearance subjected to the high-voltage corona treatment to be uneven (namely rough surfaces) for later use;
secondly, stacking the first BOPP film 21, the polyurethane hot-melt adhesive film, the silica aerogel felt, the polyurethane hot-melt adhesive film, the second BOPP film 22, the polyurethane hot-melt adhesive film and the release film 20, performing hot-pressing treatment, and cooling to obtain a semi-finished composite film material;
and step three, gluing the semi-finished composite film material obtained in the step two on the surface of the first BOPP film 21, which is opposite to the silica aerogel felt, curing the surface of the first BOPP film 21 of the semi-finished composite film material obtained in the step two to form an adhesive layer 1, and rolling to obtain the finished BOPP adhesive tape.
Example 2
Example 2 differs from example 1 in that: referring to fig. 2, the thermal insulation layer 3 includes a silica aerogel felt core layer 31 and a mica paper outer layer 32, and the silica aerogel felt core layer 31 is thermally compressed and compounded between the mica paper outer layer 32. The thickness of the silica aerogel felt core layer 31 and the mica paper outer layer 32 is 4-5: 1, the thickness of the silica aerogel felt core layer 31 and the mica paper outer layer 32 in the embodiment is 4: 1. the thickness of the silica aerogel blanket core layer 31 was controlled at 60 microns. The mica paper outer layer 32 is gold mica paper, and the thickness is controlled to be 15 micrometers.
The preparation method of the BOPP adhesive tape with high peel strength comprises the following steps:
step one, surface treatment of the first BOPP film 21 and the second BOPP film 22:
after the first BOPP film 21 and the second BOPP film 22 are subjected to high-voltage corona treatment, the surface appearance subjected to the high-voltage corona treatment is uneven (namely, rough surface) for later use;
preparing a heat insulation layer 3, stacking the gold mica paper, the polyurethane hot-melt adhesive film, the silica aerogel felt, the polyurethane hot-melt adhesive film and the gold mica paper, performing hot-pressing treatment, and cooling to obtain a heat insulation film material;
secondly, stacking the first BOPP film 21, the polyurethane hot-melt adhesive film, the heat insulation film material prepared in the first step, the polyurethane hot-melt adhesive film, the second BOPP film 22, the polyurethane hot-melt adhesive film and the release film 20, performing hot-pressing treatment, and cooling to obtain a semi-finished composite film material;
and step three, gluing the semi-finished composite film material obtained in the step two on the surface of the first BOPP film 21, which is opposite to the silica aerogel felt, curing the surface of the first BOPP film 21 of the semi-finished composite film material obtained in the step two to form an adhesive layer 1, and rolling to obtain the finished BOPP adhesive tape.
Example 3
Example 3 differs from example 2 in that: referring to fig. 3, a hot melt adhesive film layer 4 is compounded on the surface of the mica paper outer layer 32 opposite to the silica aerogel felt core layer 31, and the hot melt adhesive film layer 4 is located between the second BOPP film 22 and the mica paper outer layer 32. The surface of the hot melt adhesive film layer 4 is fixedly connected with hollow inorganic microspheres 5, and the hollow inorganic microspheres 5 are distributed on the surface of the hot melt adhesive film layer 4 in a dot matrix manner. The hollow inorganic microspheres 5 can be selected from hollow glass beads, magnesium oxide hollow microspheres, zirconium oxide hollow microspheres and aluminum oxide hollow microspheres. The hollow inorganic microspheres 5 in this embodiment may be selected to be hollow glass beads.
The preparation method of the BOPP adhesive tape with high peel strength comprises the following steps:
step one, surface treatment of the first BOPP film 21 and the second BOPP film 22:
after the first BOPP film 21 and the second BOPP film 22 are subjected to high-voltage corona treatment, the surface appearance subjected to the high-voltage corona treatment is uneven (namely, rough surface) for later use;
preparing a heat insulation layer 3, stacking the gold mica paper, the polyurethane hot-melt adhesive film, the silica aerogel felt, the polyurethane hot-melt adhesive film and the gold mica paper, performing hot-pressing treatment, and cooling to obtain a heat insulation film material;
secondly, stacking the first BOPP film 21, the polyurethane hot-melt adhesive film, the heat insulation film material prepared in the first step, the polyurethane hot-melt adhesive film and the second BOPP film 22, carrying out hot-pressing treatment and cooling, then paving the hot-melt adhesive film on the surface of the second BOPP film 22, placing the hollow inorganic microspheres 5 on the surface of the hot-melt adhesive film in a dot matrix manner, paving the hot-melt adhesive film and the release film 20, carrying out hot-pressing treatment, and cooling to obtain a semi-finished composite film material;
and step three, gluing the semi-finished composite membrane material obtained in the step two, gluing the semi-finished composite membrane material on the surface of the first BOPP film 21, which is opposite to the surface of the silica aerogel felt, curing the surface of the first BOPP film 21 of the semi-finished composite membrane material obtained in the step two to form an adhesive layer 1, and rolling to obtain the finished BOPP adhesive tape.
Example 4
Example 4 differs from example 1 in that: referring to fig. 4, a polyimide film 10 is compounded between the first BOPP film 21 and the adhesive layer 1, and the thickness of the polyimide film 10 is controlled to be 5-8 micrometers. The polyimide film 10 is subjected to low-temperature plasma treatment to form the adhesion promoting layer 40. The polyimide film is a transparent polyimide film synthesized by diamine monomer TFMB and dicarboxylic anhydride monomer 6 FDA.
The preparation method of the BOPP adhesive tape with high peel strength comprises the following steps:
after the first BOPP film 21 and the second BOPP film 22 are subjected to high-voltage corona treatment, the surface appearance subjected to the high-voltage corona treatment is uneven (namely a rough surface) for later use;
the polyimide film is processed by low-temperature plasma to form an adhesion-promoting layer 40, and the parameters of the low-temperature plasma processing are as follows: treating gas is oxygen, treating temperature is controlled at 0-4 deg.C, and treating time is 40 min;
step two, stacking the polyimide film, the first BOPP film 21, the polyurethane hot-melt adhesive film, the silica aerogel felt, the polyurethane hot-melt adhesive film, the second BOPP film 22, the polyurethane hot-melt adhesive film and the release film 20 in the step one, performing hot-pressing treatment, and cooling to obtain a semi-finished composite film material;
and step three, gluing the semi-finished composite film material obtained in the step two on the surface of the first BOPP film 21, which is opposite to the silica aerogel felt, curing the surface of the first BOPP film 21 of the semi-finished composite film material obtained in the step two to form an adhesive layer 1, and rolling to obtain the finished BOPP adhesive tape.
Example 5
Example 5 differs from example 2 in that:
referring to fig. 5, a surface of the mica paper outer layer 32, which is opposite to the upper surface of the silica aerogel felt core layer 31, is coated with a silicone resin and preheated to form an adhesive layer 33, and the adhesive layer 33 is compounded with a tear-resistant reinforced mesh fabric 34. The anti-tearing reinforced gridding cloth 34 is one of glass fiber gridding cloth, carbon fiber gridding cloth and aramid fiber gridding cloth. In this embodiment, the tear-resistant reinforcing scrim 34 is an aramid scrim.
Referring to fig. 5, another surface of the mica paper outer layer 32 facing away from the upper surface of the silica aerogel blanket core layer 31 is coated with a polyamic acid solution PAA to form an anti-aging polyimide film 35 by a thermal imidization reaction.
The preparation method of the BOPP adhesive tape with high peel strength comprises the following steps:
step one, surface treatment of the first BOPP film 21 and the second BOPP film 22:
after the first BOPP film 21 and the second BOPP film 22 are subjected to high-voltage corona treatment, the surface appearance subjected to the high-voltage corona treatment is uneven (namely, rough surface) for later use;
preparing a heat insulation layer 3, stacking the gold mica paper, the polyurethane hot-melt adhesive film, the silica aerogel felt, the polyurethane hot-melt adhesive film and the gold mica paper, performing hot-pressing treatment, and cooling to obtain a heat insulation film material;
preparation of polyamic acid solution PAA: weighing (2.72 mmol, 0.8724 g) TFMB diamine monomer into a 100mL three-necked flask, adding 20mL anhydrous DMAc, introducing N2, and stirring at 0 ℃ for 20min to fully dissolve; then (2.72 mmol, 1.2103 g) hexafluorodianhydride (6 FDA) monomer was added, followed by reaction at 0 ℃ for 2h and at room temperature for 14h to give PAA as colorless and transparent.
Secondly, stacking the first BOPP film 21, the polyurethane hot-melt adhesive film, the heat insulation film material prepared in the first step, the polyurethane hot-melt adhesive film, the second BOPP film 22, the polyurethane hot-melt adhesive film and the release film 20, performing hot-pressing treatment, and cooling to obtain a semi-finished composite film material;
coating organic silicon resin on one surface of the mica paper outer layer 32, which is back to the upper surface of the silicon dioxide aerogel felt core layer 31, of the semi-finished composite membrane material, preheating to form an adhesive layer 33, laying aramid fiber gridding cloth, performing hot-press compounding, cooling, coating polyamide acid solution PAA on one surface of the mica paper outer layer 32, which is back to the lower surface of the silicon dioxide aerogel felt core layer 31, placing on a horizontal substrate of a drying box, and performing hot imidization reaction, wherein the main procedure is that the mica paper outer layer 32 is sequentially dried for 2h, 2h and 1h at 80 ℃, 110 ℃, 150 ℃, 170 ℃, 190 ℃ and 210 ℃, and an anti-aging polyimide film 35 is compounded on the mica paper outer layer 32 to obtain the semi-finished composite membrane material;
and step four, gluing the semi-finished composite film material obtained in the step four, gluing the semi-finished composite film material on the surface of the anti-aging polyimide film 35, curing to form an adhesive layer 1, and rolling to obtain a finished BOPP adhesive tape.
The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. The utility model provides a high peel strength BOPP adhesive tape, includes gluing agent layer (1), its characterized in that: the BOPP film comprises a BOPP combined film layer (2) and a heat insulation layer (3), wherein the BOPP combined film layer (2) comprises a first BOPP film (21) and a second BOPP film (22), and the heat insulation layer (3) is compounded between the first BOPP film (21) and the second BOPP film (22); the first BOPP film (21) is compounded with the adhesive layer (1).
2. The BOPP adhesive tape with high peel strength as claimed in claim 1, wherein: the heat insulation layer (3) is one of silicon dioxide aerogel felt, gold mica paper, synthetic mica paper and an aluminized PET film.
3. The BOPP adhesive tape with high peel strength as claimed in claim 2, wherein: the heat insulation layer (3) is a silica aerogel felt; the thickness ratio of the silica aerogel felt to the first BOPP film (21) to the second BOPP film (22) is 4: 1: 1.
4. the BOPP adhesive tape with high peel strength as claimed in claim 1, wherein: the thickness of the adhesive layer (1) is controlled to be 8-12 micrometers; the thickness of the heat insulation layer (3) is controlled to be 40-60 micrometers; the thickness of the first BOPP film (21) and the second BOPP film (22) is controlled to be 10-12 microns.
5. The BOPP adhesive tape with high peel strength as claimed in claim 1, wherein: the heat insulation layer (3) comprises a silica aerogel felt core layer (31) and mica paper outer layers (32), and the silica aerogel felt core layer (31) is compounded between the mica paper outer layers (32).
6. The high peel strength BOPP adhesive tape according to claim 5, wherein: the thickness of the silica aerogel felt core layer (31) and the mica paper outer layer (32) is 4-5: 1.
7. the BOPP adhesive tape with high peel strength as claimed in claim 6, wherein: the surface of the mica paper outer layer (32) back to the silica aerogel felt core layer (31) is compounded with a hot melt adhesive film layer (4); the surface of the hot melt adhesive film layer (4) is fixedly connected with hollow inorganic microspheres (5); the hollow inorganic microspheres (5) are distributed on the surface of the hot melt adhesive film layer (4) in a dot matrix manner.
8. The high peel strength BOPP adhesive tape according to claim 1, wherein: a polyimide film (10) is compounded between the first BOPP film (21) and the adhesive layer (1); the polyimide film (10) is subjected to surface treatment to form an adhesion-promoting layer (40).
9. The high peel strength BOPP adhesive tape according to claim 5, wherein: one surface of the mica paper outer layer (32), which is back to the upper surface of the silica aerogel felt core layer (31), is coated with organic silicon resin and preheated to form an adhesive layer (33); the adhesive layer (33) is compounded with a tearing-resistant reinforced mesh cloth (34); the tear-resistant reinforced mesh cloth (34) is one of glass fiber mesh cloth, carbon fiber mesh cloth and aramid fiber mesh cloth.
10. The BOPP adhesive tape with high peel strength as claimed in claim 9, wherein: and one surface of the mica paper outer layer (32) back to the lower surface of the silica aerogel felt core layer (31) is coated with a polyamide acid solution PAA to form an anti-aging polyimide film (35) through thermal imidization.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221610055.0U CN217499138U (en) | 2022-06-24 | 2022-06-24 | High-peel-strength BOPP adhesive tape |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221610055.0U CN217499138U (en) | 2022-06-24 | 2022-06-24 | High-peel-strength BOPP adhesive tape |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217499138U true CN217499138U (en) | 2022-09-27 |
Family
ID=83339073
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221610055.0U Active CN217499138U (en) | 2022-06-24 | 2022-06-24 | High-peel-strength BOPP adhesive tape |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217499138U (en) |
-
2022
- 2022-06-24 CN CN202221610055.0U patent/CN217499138U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110499137B (en) | High-temperature-resistant polyimide carrier type adhesive and preparation method thereof | |
| CN103805078B (en) | A kind of high tenacity, 250 DEG C of life-time service modified cyanic acid ester structural film adhesives and preparation method thereof | |
| CN105086424A (en) | High-temperature-resistant BAHPFP type copper-clad plate and preparation method thereof | |
| CN103072352B (en) | Coating type composite material for dry type transformer and preparation method thereof | |
| CN217499138U (en) | High-peel-strength BOPP adhesive tape | |
| JP2013546198A5 (en) | ||
| CN113698881A (en) | Hot-pressing insulating film for multilayer bus bar and preparation method thereof | |
| CN103805082B (en) | High-heat-conductivity-coefficient radiating patch | |
| CN108909148B (en) | Preparation method of composite material containing wire-drawing mesh cloth and reinforcing sheet | |
| CN113583540B (en) | Multilayer light and thin composite insulation board and preparation method thereof | |
| CN106147228A (en) | A kind of be wall material with polyimides sheet material cellular structural material and preparation method thereof | |
| KR20180037566A (en) | Coverlay film | |
| CN106753012A (en) | A kind of hydrophily antifog film and preparation method thereof | |
| CN112726855B (en) | Efficient heat insulation board and preparation method thereof | |
| KR20180106873A (en) | Coverlay film | |
| CN220576798U (en) | Composite board | |
| CN102166858A (en) | Multi-axial-direction stitch-bonding composite felt and manufacturing method thereof | |
| CN217418591U (en) | Compound waterproof BOPP sticky tape | |
| CN111073541A (en) | Ultra-soft ultra-conformable environment-friendly flame-retardant battery packaging film and preparation method thereof | |
| JP4258895B2 (en) | Adhesive tape | |
| CN102555348A (en) | Protective film used for producing non-adhesive double-sided flexible copper clad laminate and manufacturing method thereof | |
| CN116903861B (en) | Synthesis method of high ammonia value silicone oil, organic silicon/epoxy adhesive film, preparation method of organic silicon/epoxy adhesive film and bendable laminated board | |
| CN111961419A (en) | High-thermal-aging-resistance flexible protective film and preparation method and application thereof | |
| CN219820849U (en) | Aluminum plate with color paint layer protection structure | |
| CN207765231U (en) | A kind of H class B insulation composite materials for New energy automobile motor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A high peel strength BOPP adhesive tape Effective date of registration: 20231215 Granted publication date: 20220927 Pledgee: Zhejiang Tongxiang rural commercial bank Limited by Share Ltd. Gaoqiao sub branch Pledgor: Zhejiang Authoritative Adhesive Products Co.,Ltd. Registration number: Y2023980071620 |