CN215162321U - PI film flame retardant adhesive tape - Google Patents
PI film flame retardant adhesive tape Download PDFInfo
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- CN215162321U CN215162321U CN202023301556.4U CN202023301556U CN215162321U CN 215162321 U CN215162321 U CN 215162321U CN 202023301556 U CN202023301556 U CN 202023301556U CN 215162321 U CN215162321 U CN 215162321U
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Abstract
The utility model discloses a PI film flame-retardant adhesive tape, which comprises an adhesive tape body, wherein the top end of the adhesive tape body is equidistantly connected with a temperature sensing ball, the adhesive tape body consists of a basic layer, a groove, an adhesive layer, release paper, a flame-retardant layer, a high-temperature-resistant PI film and a flame-retardant ink layer, the top end of the basic layer is bonded with the bottom end of the flame-retardant layer, the top end of the flame-retardant layer is bonded with the bottom end of the high-temperature-resistant PI film, the top end of the high-temperature-resistant PI film is coated with the flame-retardant ink layer, a plurality of first flame-retardant strips are arranged at the top end of the inner part of the flame-retardant layer, a plurality of second flame-retardant strips are arranged between every two flame-retardant strips and at the bottom part of the inner part of the flame-retardant layer, and the surface of the temperature sensing ball is coated with a temperature sensing color-changing layer, and the temperature display and early warning are carried out on the adhesive tape through the high-temperature-resistant PI film, the temperature-sensing ball, the flame-retardant ink layer and the thermochromic lamination.
Description
Technical Field
The utility model relates to an ability distribution switchgear technical field specifically is a PI membrane flame retardant sticky tape.
Background
Polyimide film is the film insulating material with the best performance in the world, and is formed by performing polycondensation and film casting on pyromellitic dianhydride (PMDA) and diaminodiphenyl ether (DDE) in a strong polar solvent and then performing imidization. The insulation edge covering material used by the current soft package lithium battery mainly takes a common PI adhesive tape as a main material.
The existing PI film flame retardant tapes create some new requirements in the use process, one of which is: when the conventional PI film flame-retardant adhesive tape is used for packaging a lithium battery, the lithium battery can generate heat in the working process, and if the heat dissipation effect of the lithium battery is poor or a circuit is short-circuited, the lithium battery can be on fire, but the conventional PI film flame-retardant adhesive tape has poor flame-retardant effect; the second step is as follows: the existing PI film flame-retardant adhesive tape can not display and early warn the temperature of the lithium battery by observing the color of the adhesive tape after packaging the lithium battery.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a PI film flame retardant adhesive tape to solve the problems that when the prior PI film flame retardant adhesive tape proposed in the background technology is used for packaging a lithium battery, the lithium battery can generate heat in the working process, if the heat dissipation effect of the lithium battery is poor or the short circuit of a circuit can cause the ignition of the lithium battery, and the flame retardant effect of the prior PI film flame retardant adhesive tape is poor; the problem that the temperature of a lithium battery cannot be displayed and early-warned by observing the color of an adhesive tape after a lithium battery is packaged by an existing PI film flame-retardant adhesive tape is solved.
In order to achieve the above object, the utility model provides a following technical scheme: a PI film flame-retardant adhesive tape comprises an adhesive tape body, wherein a plurality of temperature sensing balls are fixedly connected to the top end of the adhesive tape body at equal intervals, the adhesive tape body consists of a base layer, a groove, an adhesive layer, release paper, a flame-retardant layer, a high-temperature-resistant PI film and a flame-retardant ink layer, a plurality of grooves are equidistantly arranged at the bottom end of the basic layer, adhesive layers are filled in the grooves, the bottom end of the adhesive layer is bonded with release paper, the top end of the basic layer is bonded with the bottom end of the flame retardant layer, the top end of the flame-retardant layer is bonded with the bottom end of the high-temperature-resistant PI film, the top end of the high-temperature-resistant PI film is coated with a flame-retardant ink layer, the top equidistance fixed mounting on the inside on fire-retardant layer has a plurality of first fire-retardant strips, per two the equal fixed mounting in bottom that just is located fire-retardant in situ portion between the first fire-retardant strip has a plurality of fire-retardant strips of second, the surface of temperature sensing ball scribbles temperature sensing discoloration layer.
As an optimized technical scheme of the utility model, fire-retardant layer is the halogen-free flame retardant layer of silica gel.
As an optimized technical scheme of the utility model, the inside of first fire-retardant strip and the inside packing of the fire-retardant strip of second have asbestos fiber.
As an optimized technical scheme of the utility model, the fire-retardant strip of first fire-retardant strip and the crisscross distribution of second.
As an optimal technical scheme of the utility model, it is silicon from the type membrane to leave type paper, temperature sensing discoloration layer comprises the temperature sensing microparticle that discolours.
Compared with the prior art, the beneficial effects of the utility model are that:
1. through the matching of the base layer, the groove, the flame-retardant layer, the high-temperature-resistant PI film, the viscose layer, the flame-retardant ink layer, the first flame-retardant strip and the second flame-retardant strip, the bottom end of the base layer is bonded with the viscose layer through the groove, so that the attaching force of the viscose layer is enhanced, meanwhile, the top end of the base layer is sequentially bonded with the flame-retardant layer, the high-temperature-resistant PI film and the flame-retardant ink layer, the flame-retardant layer is made of a silica gel halogen-free flame retardant layer which mainly comprises phosphorus compounds and metal hydroxides which are non-volatile and do not generate corrosive gas during combustion and are called as pollution-free flame retardants, asbestos fibers are filled in the first flame-retardant strip and the second flame-retardant strip, and are characterized by heat resistance, non-combustibility, acid resistance and chemical corrosion resistance, have good flame-retardant effect, and the first flame-retardant strip and the second flame-retardant strip are arranged in a staggered manner, so that the flame retardance can be carried out in an all-round adhesive tape, the high-temperature-resistant PI film and the flame-retardant ink layer retard the flame of the adhesive tape outside the adhesive tape, so that the flame-retardant effect of the adhesive tape is enhanced.
2. Through high temperature resistant PI membrane, the temperature sensing ball, the cooperation of fire-retardant printing ink layer and temperature sensing discoloration layer, the surface of high temperature resistant PI membrane scribbles fire-retardant printing ink layer, the surface on fire-retardant printing ink layer is provided with a plurality of temperature sensing balls, the surface of temperature sensing ball scribbles temperature sensing discoloration layer, heat transmission through high temperature resistant PI membrane and fire-retardant printing ink layer with the inside of lithium cell is for the temperature sensing ball, temperature sensing discoloration layer on the temperature sensing ball is under the temperature of difference, show different colours, thereby carry out temperature display and early warning to the sticky tape, and the temperature sensing ball sets up the surface on fire-retardant printing ink layer, also can increase the frictional force of sticky tape.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a cross-sectional view of the present invention;
fig. 3 is a sectional view of the temperature sensing ball of the present invention.
In the figure: 1. a tape body; 2. a base layer; 3. a groove; 4. release paper; 5. a flame retardant layer; 6. a high temperature resistant PI film; 7. a temperature sensing ball; 8. an adhesive layer; 9. a flame-retardant ink layer; 10. a first flame retardant strip; 11. a second flame retardant strip; 12. a temperature-sensitive color-changing layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the utility model provides a PI film flame retardant adhesive tape, which comprises an adhesive tape body 1, wherein a plurality of temperature sensing balls 7 are fixedly connected with the top end of the adhesive tape body 1 at equal intervals, the adhesive tape body 1 is composed of a base layer 2, grooves 3, an adhesive layer 8, release paper 4, a flame retardant layer 5, a high temperature resistant PI film 6 and a flame retardant ink layer 9, a plurality of grooves 3 are arranged at the bottom end of the base layer 2 at equal intervals, the adhesive layer 8 is filled in the grooves 3, the release paper 4 is adhered to the bottom end of the adhesive layer 8, the top end of the base layer 2 is adhered to the bottom end of the flame retardant layer 5, the top end of the flame retardant layer 5 is adhered to the bottom end of the high temperature resistant PI film 6, the flame retardant ink layer 9 is coated on the top end of the high temperature resistant PI film 6, a plurality of first flame retardant strips 10 are fixedly installed at equal intervals on the top end of the flame retardant layer 5, a plurality of second flame retardant strips 11 are fixedly installed between every two first flame retardant strips 10 and at the bottom of the flame retardant layer 5, the surface of the temperature sensing ball 7 is coated with a temperature sensing discoloring layer 12.
Preferably, the flame-retardant layer 5 is a silica gel halogen-free flame retardant layer, mainly comprising phosphorus compounds and metal hydroxides, wherein the phosphorus compounds and the metal hydroxides do not volatilize and generate corrosive gases during combustion and are called as pollution-free flame retardants;
preferably, the inside of the first flame-retardant strip 10 and the inside of the second flame-retardant strip 11 are filled with asbestos fibers, and the asbestos fibers are characterized by heat resistance, non-combustibility, water resistance, acid resistance, chemical corrosion resistance and good flame-retardant effect;
preferably, the first flame-retardant strips 10 and the second flame-retardant strips 11 are distributed in a staggered manner, so that the first flame-retardant strips 10 and the second flame-retardant strips 11 can be used for carrying out flame retardance on the adhesive tape in all directions;
preferably, the release paper 4 is a silicon-based release film, the thermochromic layer 12 is composed of thermochromic microparticles, and the temperature is displayed by the color change of the thermochromic microparticles at the applied temperature.
When in use, the bottom end of the base layer 2 of the PI film flame retardant adhesive tape is bonded with the adhesive layer 8 through the groove 3, thereby enhancing the adhesion force of the adhesive layer 8, simultaneously, the top end of the base layer 2 is sequentially bonded with the flame-retardant layer 5, the high-temperature-resistant PI film 6 and the flame-retardant ink layer 9, the flame-retardant layer 5 is made of a silica gel halogen-free flame retardant layer and mainly comprises a phosphorus compound and a metal hydroxide, the two compounds are non-volatile during combustion, do not generate corrosive gas, are called pollution-free flame retardants, the inside of the first flame-retardant strip 10 and the inside of the second flame-retardant strip 11 are filled with asbestos fiber, which is characterized by heat resistance, non-combustibility, water resistance, acid resistance, chemical corrosion resistance, good flame-retardant effect, the first flame-retardant strips 10 and the second flame-retardant strips 11 are arranged in a staggered manner, so that the adhesive tape can be flame-retardant in all directions, and the flame-retardant effect of the adhesive tape is enhanced; the surface of high temperature resistant PI membrane 6 scribbles fire-retardant printing ink layer 9, the surface on fire-retardant printing ink layer 9 is provided with a plurality of temperature sensing balls 7, the surface of temperature sensing ball 7 scribbles temperature sensing discoloration layer 12, heat transfer through high temperature resistant PI membrane 6 and fire-retardant printing ink layer 9 with the inside of lithium cell is for temperature sensing ball 7, temperature sensing discoloration layer 12 on temperature sensing ball 7 is under the temperature of difference, show different colours, thereby carry out temperature display and early warning to the sticky tape, and temperature sensing ball 7 sets up the surface on fire-retardant printing ink layer 9, also can increase the frictional force of sticky tape.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (5)
1. The utility model provides a PI membrane flame retardant tape, includes tape body (1), its characterized in that: the adhesive tape comprises an adhesive tape body (1) and is characterized in that a plurality of temperature sensing balls (7) are fixedly connected to the top of the adhesive tape body (1) at equal intervals, the adhesive tape body (1) is composed of a base layer (2), grooves (3), an adhesive layer (8), release paper (4), a flame-retardant layer (5), a high-temperature-resistant PI film (6) and a flame-retardant ink layer (9), a plurality of grooves (3) are formed in the bottom of the base layer (2) at equal intervals, the adhesive layer (8) is filled in the grooves (3), the release paper (4) is bonded to the bottom of the adhesive layer (8), the top of the base layer (2) is bonded to the bottom of the flame-retardant layer (5), the top of the flame-retardant layer (5) is bonded to the bottom of the high-temperature-resistant PI film (6), the flame-retardant ink layer (9) is coated on the top of the high-temperature-resistant PI film (6), a plurality of first flame-retardant strips (10) are fixedly installed at equal intervals on the top of the inside of the flame-retardant layer (5), every two the bottom that just is located fire-retardant layer (5) inside between first fire-retardant strip (10) all fixed mounting have a plurality of second fire-retardant strips (11), the surface of temperature sensing ball (7) scribbles temperature sensing discoloration layer (12).
2. The PI film flame retardant tape of claim 1, wherein: the flame-retardant layer (5) is a silica gel halogen-free flame retardant layer.
3. The PI film flame retardant tape of claim 1, wherein: the interior of the first flame-retardant strip (10) and the interior of the second flame-retardant strip (11) are filled with asbestos fibers.
4. The PI film flame retardant tape of claim 1, wherein: the first flame-retardant strips (10) and the second flame-retardant strips (11) are distributed in a staggered mode.
5. The PI film flame retardant tape of claim 1, wherein: the release paper (4) is a silicon release film, and the temperature-sensitive color-changing layer (12) is composed of temperature-sensitive color-changing microparticles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023301556.4U CN215162321U (en) | 2020-12-31 | 2020-12-31 | PI film flame retardant adhesive tape |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023301556.4U CN215162321U (en) | 2020-12-31 | 2020-12-31 | PI film flame retardant adhesive tape |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215162321U true CN215162321U (en) | 2021-12-14 |
Family
ID=79399151
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023301556.4U Active CN215162321U (en) | 2020-12-31 | 2020-12-31 | PI film flame retardant adhesive tape |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215162321U (en) |
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2020
- 2020-12-31 CN CN202023301556.4U patent/CN215162321U/en active Active
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