Easily-torn bionic gecko adhesive tape
By improving the tape structure and using a combination of polyvinylpyrrolidone backing layer, silicon substrate, carbon nanotubes and polyimide outer layer, the problem of insufficient performance of traditional tapes under special conditions has been solved, resulting in an easy-tear biomimetic gecko tape with high adhesion, flexibility and easy removal.
Patent Information
- Application Number
- CN202423162681.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-20
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2034-12-20
AI Technical Summary
Traditional tapes often fail to meet performance requirements under special conditions such as high temperature, low temperature, humidity, or high load, and tend to leave adhesive residue, especially in scenarios involving frequent bonding and disassembly.
The tape employs a combination structure consisting of a polyvinylpyrrolidone backing layer, a silicone substrate, carbon nanotubes, and a polyimide outer layer to enhance adhesion and flexibility to the surface of objects. Combined with a Kevlar nanofiber strength layer and a silk fibroin tackifying layer, it improves mechanical properties and anti-blocking properties.
It enhances the adhesion, cushioning performance, and flexibility of the tape under special conditions, broadens its application range, and is easy to tear off without leaving any residue.
Smart Images
Figure CN223688262U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to adhesive tape technical field especially relates to an easy-to-tear bionic gecko adhesive tape. BACKGROUND
[0002] The easy-to-tear bionic gecko adhesive tape is an innovative adhesive tape inspired by the climbing ability of geckos. The microstructure on the gecko's palm can generate strong adhesion with the surface, allowing it to climb smoothly on walls or ceilings. Scientists have designed a kind of adhesive tape that does not require adhesive, achieving adhesion through physical contact force. The easy-to-tear bionic gecko adhesive tape is specially designed for easy and quick removal, leaving no residue, suitable for scenarios that require frequent attachment and detachment.
[0003] Traditional adhesive tapes are usually made of plastic film, paper or cloth as the base material, coated with adhesive. Common adhesives include rubber-based adhesives and acrylate-based adhesives, which have certain adhesion and can be used for fixing, packaging, marking and other purposes. However, in some special situations such as high temperature, low temperature, humidity or high load, the performance of traditional adhesive tapes often cannot meet the requirements. Therefore, an easy-to-tear bionic gecko adhesive tape is proposed to solve the above problems. SUMMARY
[0004] To overcome the above shortcomings, the utility model provides an easy-to-tear bionic gecko adhesive tape, aiming to improve the problem that the performance of traditional adhesive tapes often cannot meet the requirements in some special situations such as high temperature, low temperature, humidity or high load in the prior art.
[0005] To achieve the above purpose, the utility model adopts the following technical scheme: an easy-to-tear bionic gecko adhesive tape, comprising a winding ring, the outer part of the winding ring is wound with a glue body, the inner part of one side of the glue body is fixedly connected with a back adhesive layer, the upper part of the back adhesive layer is fixedly connected with a foam layer, the upper part of the foam layer is fixedly connected with a microstructure layer, the inner part of one side of the microstructure layer is fixedly connected with a substrate, the upper part of the substrate is fixedly connected with uniformly distributed nanotubes, the outer part of the nanotube is fixedly connected with an outer layer.
[0006] Further description of the above technical scheme:
[0007] The outer part of the outer layer is fixedly connected with a strength layer, the outer part of the strength layer is fixedly connected with a tackifying layer, and the upper part of the microstructure layer is connected with a release layer.
[0008] Further description of the above technical scheme:
[0009] The back adhesive layer is made of polyvinylpyrrolidone.
[0010] Further description of the above technical scheme:
[0011] The substrate is made of silicon, and the release layer is made of polyethylene.
[0012] As a further description of the above technical solution:
[0013] The nanotube is made of carbon atoms, and the outer layer is made of polyimide.
[0014] As a further description of the above technical solution:
[0015] The strength layer is made of Kevlar nanofiber, and the tackiness layer is made of silk fibroin.
[0016] The utility model has the following beneficial effects:
[0017] In the utility model, the polyvinylpyrrolidone back adhesive layer enhances the interaction between the adhesive tape and the object surface, the foam layer increases the buffering and flexibility, the silicon substrate has good electrical conductivity and thermal conductivity, the carbon atom nanotube and the polyimide outer layer improve the comprehensive performance, the adhesion between the adhesive tape and the object surface is enhanced, the adhesive tape is improved in the adhesion, buffering and flexibility, and the application range of the adhesive tape is widened due to the improvement of the comprehensive performance and durability of the adhesive tape.
[0018] In the utility model, the Kevlar nanofiber strength layer improves the mechanical properties and protects the nanotube, the silk fibroin tackiness layer enhances the mechanical properties and adhesion, the polyethylene release layer has good flexibility, etc., the interaction between the adhesive tape and the object surface is enhanced, the overall adhesion and durability of the adhesive tape are improved while the carbon nanotube core layer is protected, and the adhesive tape is effectively prevented from adhering and is easy to separate from other materials. BRIEF DESCRIPTION OF DRAWINGS
[0019] Figure 1 A perspective view of an easy-to-tear bionic gecko adhesive tape is provided for the utility model;
[0020] Figure 2 An internal structure schematic view of an easy-to-tear bionic gecko adhesive tape is provided for the utility model;
[0021] Figure 3 A microstructure layer schematic view of an easy-to-tear bionic gecko adhesive tape is provided for the utility model.
[0022] LEGEND:
[0023] 1, winding ring; 2, colloid; 3, back adhesive layer; 4, foam layer; 5, microstructure layer; 6, release layer; 7, substrate; 8, outer layer; 9, nanotube; 10, strength layer; 11, tackiness layer. DETAILED DESCRIPTION
[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.
[0025] With reference to Figure 1 , Figure 2 , Figure 3 An embodiment provided by the utility model: an easy-to-tear bionic gecko tape, comprising a winding ring 1, the outside of the winding ring 1 is wound with a colloid 2, one side of the inside of the colloid 2 is fixedly connected with a back adhesive layer 3, the upper part of the back adhesive layer 3 is fixedly connected with a foam layer 4, the upper part of the foam layer 4 is fixedly connected with a microstructure layer 5, one side of the inside of the microstructure layer 5 is fixedly connected with a substrate 7, the upper part of the substrate 7 is fixedly connected with uniformly distributed nanotubes 9, the outside of the nanotubes 9 is fixedly connected with an outer layer 8, the back adhesive layer 3 is made of polyvinylpyrrolidone.
[0026] The back adhesive layer 3 made of polyvinylpyrrolidone has a unique chemical structure, which can form stable hydrogen bonds or van der waals forces with various substances, thereby significantly enhancing the interaction between the tape and the surface of the object, and the foam layer 4 can effectively play a buffering effect and greatly increase the flexibility of the tape, so that the tape can better adapt to the shape of various objects and exhibit high adhesion. The substrate 7 made of silicon makes the tape have good electrical conductivity and thermal conductivity, the nanotubes 9 made of carbon atoms and the outer layer 8 made of polyimide wrapped outside the nanotubes 9 together form a structure with excellent mechanical, electrical and thermal properties and chemical resistance, achieving the goal of enhancing the adhesion of the tape to the surface of the object, significantly improving the adhesion, buffering and flexibility of the tape, greatly improving the comprehensive performance and durability of the tape, and thereby successfully widening the application range of the tape and enabling it to play an important role in more fields.
[0027] With reference to Figure 1 , Figure 2 , Figure 3 The outside of the outer layer 8 is fixedly connected with a strength layer 10, the outside of the strength layer 10 is fixedly connected with a tackifying layer 11, the upper part of the microstructure layer 5 is connected with a release layer 6, the substrate 7 is made of silicon, the release layer 6 is made of polyethylene, the nanotubes 9 are made of carbon atoms, the outer layer 8 is made of polyimide, the strength layer 10 is made of Kevlar nanofiber, and the tackifying layer 11 is made of silk fibroin.
[0028] The strength layer 10 made of Kevlar nanofiber enables the tape to have the advantages of high strength and toughness, effectively improves the mechanical properties of the composite fiber, and provides reliable protection for the nanotube 9; the adhesion layer 11 made of silk fibroin enables the tape to have good biocompatibility and excellent adhesion; the release layer 6 made of polyethylene has good flexibility, chemical stability and low surface energy, effectively prevents the occurrence of adhesion, and in actual use, can be easily separated from other materials, bringing great convenience to the user, realizes the interaction between the reinforced tape and the surface of the object, protects the nanotube 9, and improves the overall adhesion and durability of the tape, and effectively prevents adhesion, so that the tape is more easily separated from other materials.
[0029] Working principle: when the tape needs to be used, the back adhesive layer 3 made of polyvinylpyrrolidone can form hydrogen bonds or van der Waals forces with various substances, enhance the interaction between the tape and the surface of the object, the foam layer 4 can buffer and increase the flexibility of the tape, so that it better adapts to the shape of the object, the substrate 7 made of silicon has good electrical conductivity and thermal conductivity, the nanotube 9 made of carbon atoms and the outer layer 8 made of polyimide wrapped outside have excellent mechanical, electrical, thermal and chemical properties, etc., realize the adhesion between the reinforced tape and the surface of the object, improve the adhesion, buffering and flexibility of the tape, and because the comprehensive performance and durability of the tape are improved, the application range of the tape is widened.
[0030] The strength layer 10 made of Kevlar nanofiber has the advantages of high strength and toughness, can improve the mechanical properties of the composite fiber, and protect the nanotube 9; the adhesion layer 11 made of silk fibroin has good biocompatibility and adhesion, further enhances the mechanical properties and adhesion; the release layer 6 made of polyethylene has good flexibility, chemical stability and low surface energy, can effectively prevent adhesion, realizes the interaction between the reinforced tape and the surface of the object, protects the nanotube 9, and improves the overall adhesion and durability of the tape, and effectively prevents adhesion and is easy to separate from other materials.
[0031] Finally, it should be pointed out that: the above only describes the preferred embodiments of the present application, and is not used to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application should be included in the protection scope of the present application.
Claims
1. An easy-tear biomimetic gecko tape, comprising a winding ring (1), characterized in that: The outer side of the winding ring (1) is wrapped with a colloid (2), and a backing layer (3) is fixedly connected to one side of the inner side of the colloid (2). A foam layer (4) is fixedly connected to the upper part of the backing layer (3), and a microstructure layer (5) is fixedly connected to the upper part of the foam layer (4). A substrate (7) is fixedly connected to one side of the inner side of the microstructure layer (5), and uniformly distributed nanotubes (9) are fixedly connected to the upper part of the substrate (7). An outer layer (8) is fixedly connected to the outer side of the nanotubes (9).
2. The easy-tear bionic gecko tape according to claim 1, characterized in that: The outer layer (8) is fixedly connected to the outside of a strength layer (10), the strength layer (10) is fixedly connected to the outside of an adhesive layer (11), and the microstructure layer (5) is bonded to the upper part with a release layer (6).
3. The easy-tear bionic gecko tape according to claim 1, characterized in that: The adhesive backing layer (3) is made of polyvinylpyrrolidone.
4. The easy-tear bionic gecko tape according to claim 2, characterized in that: The substrate (7) is made of silicon, and the release layer (6) is made of polyethylene.
5. The easy-tear biomimetic gecko tape according to claim 2, characterized in that: The nanotube (9) is made of carbon atoms and the outer layer (8) is made of polyimide.
6. The easy-tear bionic gecko tape according to claim 2, characterized in that: The strength layer (10) is made of Kevlar nanofibers, and the adhesive layer (11) is made of silk fibroin.