CN212687950U - High-performance traceless adhesive tape - Google Patents
High-performance traceless adhesive tape Download PDFInfo
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- CN212687950U CN212687950U CN202021218273.0U CN202021218273U CN212687950U CN 212687950 U CN212687950 U CN 212687950U CN 202021218273 U CN202021218273 U CN 202021218273U CN 212687950 U CN212687950 U CN 212687950U
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- layer
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- adhesive tape
- sensitive adhesive
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- 239000002390 adhesive tape Substances 0.000 title claims abstract description 57
- 239000010410 layer Substances 0.000 claims abstract description 157
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 75
- 239000004820 Pressure-sensitive adhesive Substances 0.000 claims abstract description 59
- 239000000853 adhesive Substances 0.000 claims abstract description 33
- 230000001070 adhesive effect Effects 0.000 claims abstract description 33
- 239000011347 resin Substances 0.000 claims abstract description 16
- 229920005989 resin Polymers 0.000 claims abstract description 16
- 239000004744 fabric Substances 0.000 claims abstract description 13
- 239000004743 Polypropylene Substances 0.000 claims description 12
- 239000000835 fiber Substances 0.000 claims description 6
- 239000004677 Nylon Substances 0.000 claims description 3
- 239000003365 glass fiber Substances 0.000 claims description 3
- 229920001778 nylon Polymers 0.000 claims description 3
- 229920000728 polyester Polymers 0.000 claims description 3
- -1 polypropylene Polymers 0.000 claims description 3
- 229920001155 polypropylene Polymers 0.000 claims description 3
- 238000004026 adhesive bonding Methods 0.000 abstract description 25
- 239000003795 chemical substances by application Substances 0.000 abstract description 16
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 230000006378 damage Effects 0.000 abstract description 7
- 238000006073 displacement reaction Methods 0.000 abstract description 5
- 239000012790 adhesive layer Substances 0.000 description 21
- 238000005457 optimization Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 8
- 239000003292 glue Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 239000000758 substrate Substances 0.000 description 6
- 238000000576 coating method Methods 0.000 description 4
- 230000032683 aging Effects 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 239000012943 hotmelt Substances 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000007779 soft material Substances 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 239000004831 Hot glue Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Landscapes
- Adhesive Tapes (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
A high-performance traceless adhesive tape comprises a pressure-sensitive adhesive layer and at least one release layer, wherein a reinforcing layer parallel to an extending plane of the adhesive tape is embedded in the pressure-sensitive adhesive layer, adhesives in the pressure-sensitive adhesive layer form a continuous phase, the reinforcing layer can comprise a first reinforcing layer and a second reinforcing layer, the reinforcing layers can be a plurality of reinforcing strips which extend along the length direction or the width direction of the adhesive tape and are parallel to each other, and the reinforcing strips are rubber strips, PE strips or PP strips; the reinforcing layer may also be a mesh cloth or a resin film with uniform through holes. The utility model discloses on prior art's basis, imbed the enhancement layer in pressure-sensitive adhesive layer, avoid the sticky tape in the use inside production of sticky layer to slide and make glutinous thing produce displacement or the adhesion unstable, improved the tensile properties and the tear resistance on sticky layer, can not take place gluing agent inside destruction when peeling off, avoid the cull, and can not influence thickness, just viscidity and hold viscidity.
Description
Technical Field
The utility model relates to an sticky tape technical field especially relates to a high performance does not have trace sticky tape.
Background
The double-sided adhesive tape is often used in assembly and packaging of daily life or industrial products (including electronic products), the common double-sided adhesive tape can be generally used only once and can not be used after being torn, residual adhesive exists on the surface of an adhered object and is difficult to clean, and the common double-sided adhesive tape has limited adhesive force and can not bear larger load. Although the existing traceless adhesive tape used on the market can be repeatedly used, the bonding strength of a product can be improved by improving the thickness and viscosity of an adhesive layer, and the adhesive tape can bear larger load, the existing traceless adhesive tape is basically non-base material, and the mechanical strength of an adhesive layer is provided mainly by means of the cohesion of an adhesive in the adhesive layer. In use, the adhesive layer gradually weakens its cohesive strength due to aging, strain relaxation, etc., and the adhesive layer undergoes creep deformation to cause displacement of an adherend, and when a load exceeds its cohesive force, the adhesive layer is broken from the inside to cause the adherend to fall off. In some occasions that need tear, reassemble, for example when electronic product maintains, current no trace sticky tape is because there is not the substrate, when peeling off, and the gluing agent often breaks from the middle of the gluing layer, need to pull down the gluing agent in the gluing layer from the adherend surface a bit, peels off the difficulty, is difficult to clear away completely, often has the cull, is difficult to accomplish really no trace.
Have the technical scheme who discloses set up pressure sensitive adhesive layer simultaneously in the two sides of substrate among the prior art, but in this kind of scheme, the gluing layer is separated by the substrate, for guaranteeing the necessary bonding strength of two gluing layers, the thickness of whole sticky tape must increase, influence performance and cost, simultaneously, adhesive strength between gluing layer and substrate is difficult to guarantee, whole sticky tape can have a stress sudden change district in substrate and the interfacial position department on gluing layer, in use or peel off the in-process, the destruction often takes place in the interfacial position department of substrate and gluing agent under the exogenic action.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the defects of the prior art and providing a high-performance traceless adhesive tape which is firm in bonding, easy to peel and free of adhesive residue.
The utility model discloses a realize through following technical scheme:
the high-performance traceless adhesive tape comprises a pressure-sensitive adhesive layer and at least one release layer, wherein the release layer is attached to the surface of the pressure-sensitive adhesive layer, a reinforcing layer parallel to the extending plane of the adhesive tape is embedded into the pressure-sensitive adhesive layer, and the adhesive in the pressure-sensitive adhesive layer forms a continuous phase. On the technique of current double-sided tape or no trace sticky tape, imbed the enhancement layer in pressure sensitive adhesive layer, pressure sensitive adhesive layer's structural strength has been improved, and the enhancement layer exists in pressure sensitive adhesive layer with the form of embedding, make the gluing agent in the pressure sensitive adhesive layer exist with the form of continuous phase, can not influence the cohesion of gluing agent, so pressure sensitive adhesive layer's structural strength and hold the cohesion except that coming from the cohesion of gluing agent, still come from the skeleton holding power that the enhancement layer provided, and because the enhancement layer is embedded in pressure sensitive adhesive layer, pressure sensitive adhesive layer's initial adhesion can not receive the influence.
As a further optimization of the above scheme, the reinforcing layer is a plurality of mutually parallel reinforcing strips, the reinforcing strips extend along the length direction of the adhesive tape, and the reinforcing strips are rubber strips, PE strips or PP strips. The reinforcing strips are arranged along the length direction, so that the tensile property of the adhesive tape in the length direction is guaranteed, when the adhesive tape is peeled off, the adhesive tape is stretched along the length direction or is pulled by a certain adhesive tape, and the adhesive tape cannot be damaged in the middle of the adhesive layer due to the tensile force provided by the reinforcing strips.
As a further optimization of the above scheme, the reinforcing layer includes a first reinforcing layer and a second reinforcing layer, the first reinforcing layer is a plurality of edges the first reinforcing strip that the tape length direction extends and is parallel to each other, the second reinforcing layer is a plurality of edges the second reinforcing strip that the tape width direction extends and is parallel to each other, first reinforcing layer and second reinforcing layer embedding are in the pressure sensitive adhesive layer, just first reinforcing layer and second reinforcing layer are in there is the interval on the pressure sensitive adhesive layer thickness direction, and dislocation set promptly separates the certain distance each other. All set up on length direction and the width direction and strengthen the strip, for the gluing layer provides the tensile strength in two directions, reduce the displacement that produces because meeting an emergency of gluing agent in the use in two directions, improve the position steadiness that article cohered. When the adhesive tape needs to be peeled off, the adhesive tape can be pulled along any angle, the phenomena of layering, cohesive failure and the like can not occur in the adhesive layer, and the whole adhesive layer can be peeled off from the surface of an adherend without adhesive residue.
As a further optimization of the above scheme, the first reinforcing strip or/and the second reinforcing strip is a rubber strip, a PE strip or a PP strip. These are soft materials, which do not affect the winding process of the adhesive tape production and the sealing performance in use.
As a further optimization of the above solution, the reinforcing layer is a mesh cloth with uniform through holes or a resin film. The through holes can enable the adhesives above and below the reinforcing layer to be continuous and strong, so that the cohesive strength of the adhesives is not influenced.
As a further optimization of the scheme, the mesh cloth is glass fiber mesh cloth, a polyester fiber mesh, a nylon mesh or a polypropylene fiber mesh. The scrim provides stretchability, support, and set to the tape.
As a further optimization of the scheme, the mesh size of the mesh cloth is less than 8mm multiplied by 8mm and more than 1mm multiplied by 1 mm. The mesh size is set according to the actual use scene, the mesh is too large to play a role, and when the sticking area is small, the adhesive layer even has no reinforcing layer; the meshes are too small, so that the adhesive is difficult to penetrate through the meshes to form a continuous phase, the production of the adhesive tape is influenced, the cohesion in an adhesive layer is also influenced, and the material is easy to generate interface damage and the service performance of the material is influenced.
As a further optimization of the above scheme, the resin film is a TPU film, a PP film, a PE film or a PVC film.
As a further optimization of the above aspect, the planar area of the resin film is greater than 1/3 and less than 2/3 of the planar area of the tape. Similarly, the area of the resin film is too small to play a role in reinforcement, and the area of the resin film is too large to influence the production and processing process and the service performance, so that interface damage is easy to occur in use and stripping; in a similar way, the size of the through holes on the resin film is also in a proper range, and the through holes are distributed as densely as possible under the condition that the adhesive can easily flow through the through holes in the production process.
As a further optimization of the scheme, the thickness of the pressure-sensitive adhesive layer is 100-600 mu m. Because the glue film is relatively soft and thick, the adhesive strength of the adhesive tape is favorably improved, and the adhesive is spread on two adhered surfaces and fully contacted, so that the purpose of good adhesion is realized.
The adhesive layer of the high-performance traceless adhesive tape can be a hot-melt pressure-sensitive adhesive or a solvent-type pressure-sensitive adhesive, such as a water-based pressure-sensitive adhesive, and the performance of the high-performance traceless adhesive tape can be affected due to the fact that the adhesive layer is thick and difficult to dry, and the shrinkage is large. Taking hot melt pressure sensitive adhesive as an example, casting or coating the molten hot melt adhesive on release paper, and simultaneously compounding and sandwiching a reinforcing layer in an adhesive layer in the casting or coating process; when the adhesive layer is thicker, the reinforcing layer can be embedded into the adhesive layer by a secondary coating process and by adding the reinforcing layer in the two-time coating process.
The utility model discloses on prior art's basis, imbed the enhancement layer in pressure-sensitive adhesive layer, avoid the sticky tape in the use because reasons such as the ageing of glue film, strain relaxation lead to gluing agent creep and gluing the inside slip that produces of layer, make the thing that is glued produce the displacement or the adhesion is unstable; meanwhile, under the condition of needing to be peeled off during maintenance and the like, due to the existence of the reinforcing layer, compared with the condition without the base material adhesive, the tensile property and the tear resistance of the adhesive are improved, the adhesive can be peeled off in a whole block by stretching along a plane or stretching along a certain angle during peeling, the adhesive cannot be damaged in the adhesive, the adhesive residue phenomenon is avoided, and the peeling is easy; the enhancement layer has multiform, can select different enhancement layer structures according to the thickness of glue film, application scenario, production technology, and during the enhancement layer embedding glue film, can not influence the thickness of glue film, the gluing agent becomes continuous phase moreover, can not influence the cohesive strength of gluing agent, can not produce the interface destruction in use and the stripping process, has guaranteed pressure sensitive adhesive layer's just viscidity and holds viscidity.
Drawings
Fig. 1 is a schematic cross-sectional view of embodiment 1 of the present invention.
Fig. 2 is a schematic view of the layered structure of embodiment 1 of the present invention.
Fig. 3 is a schematic cross-sectional view of embodiment 2 of the present invention.
Fig. 4 is a schematic view of the layered structure of embodiment 2 of the present invention.
Fig. 5 is a schematic cross-sectional view of embodiment 3 of the present invention.
Fig. 6 is a schematic view of a layered structure according to embodiment 3 of the present invention.
Fig. 7 is a schematic plan view of a reinforcing layer in embodiment 4 of the present invention.
Reference numerals: 1-a first release layer; 2-a pressure sensitive adhesive layer; 3-a reinforcing layer; 4-a second release layer; 31-a reinforcing strip; 32-a first reinforcing strip; 33-a second reinforcing strip; 34-through holes.
Detailed Description
Example 1
A high-performance traceless adhesive tape is shown in figures 1 and 2 and comprises a pressure-sensitive adhesive layer 2 and a release layer (a first release layer 1 in the figures), wherein the first release layer 1 is attached to the surface of the pressure-sensitive adhesive layer 2, a reinforcing layer 3 parallel to the extending plane of the adhesive tape is embedded in the pressure-sensitive adhesive layer 2, and the adhesive in the pressure-sensitive adhesive layer 2 forms a continuous phase. On the technique of current double-sided tape or no trace sticky tape, embedding enhancement layer 3 in pressure sensitive adhesive layer 2, the structural strength of pressure sensitive adhesive layer 2 has been improved, and enhancement layer 3 exists in pressure sensitive adhesive layer 2 with the form of embedding, make the gluing agent in pressure sensitive adhesive layer 2 exist with the form of continuous phase, can not influence the cohesion of gluing agent, so pressure sensitive adhesive layer 2's structural strength with hold the cohesion except that coming from the cohesion of gluing agent, still come from the skeleton holding power that enhancement layer 3 provided, and because enhancement layer 3 imbeds in pressure sensitive adhesive layer 2, the initial adhesion of pressure sensitive adhesive layer 2 can not receive the influence.
The reinforcing layer 3 is a plurality of mutually parallel reinforcing strips 31, the reinforcing strips 31 extend along the length direction of the adhesive tape, and the reinforcing strips 31 are rubber strips, PE strips or PP strips. The reinforcing strips 31 are arranged along the length direction, so that the tensile property of the adhesive tape in the length direction is ensured, when the adhesive tape is peeled, the adhesive tape is stretched along the length direction or is pulled by a certain adhesive tape, and the adhesive tape cannot be damaged in the middle of the adhesive layer due to the tensile force provided by the reinforcing strips 31.
The thickness of the pressure-sensitive adhesive layer 2 is 100-600 mu m. Because the glue film is relatively soft and thick, the adhesive strength of the adhesive tape is favorably improved, and the adhesive is spread on two adhered surfaces and fully contacted, so that the purpose of good adhesion is realized.
Example 2
The utility model provides a high performance does not have trace sticky tape, as fig. 3, fig. 4, includes pressure sensitive adhesive layer 2 and two from the type layer (be the first type layer 1 and the second type layer 4 in the picture respectively), two from the type layer (first type layer 1 and the second type layer 4) laminate respectively on two upper and lower surfaces of pressure sensitive adhesive layer 2, the embedding has in the pressure sensitive adhesive layer 2 with the enhancement layer 3 that the sticky tape extends the plane and parallels, gluing agent in the pressure sensitive adhesive layer 2 forms continuous phase.
The enhancement layer 3 includes first enhancement layer and second enhancement layer, first enhancement layer is a plurality of edges the first enhancement strip 32 that the sticky tape length direction extends and be parallel to each other, the second enhancement layer is a plurality of edges the second enhancement strip 33 that the sticky tape width direction extends and be parallel to each other, first enhancement layer and second enhancement layer embedding are in pressure sensitive adhesive layer 2, just first enhancement layer and second enhancement layer are in there is the interval on the pressure sensitive adhesive layer 2 thickness direction, and dislocation set promptly separates the certain distance each other. All set up on length direction and the width direction and add first enhancement strip 32 and second and strengthen strip 33, for the gluing layer provides the tensile strength in two directions, reduce the displacement that produces of gluing agent in the use because meeting an emergency in two directions, improve the position steadiness that article cohered. When the adhesive tape needs to be peeled off, the adhesive tape can be pulled along any angle, the phenomena of layering, cohesive failure and the like can not occur in the adhesive layer, and the whole adhesive layer can be peeled off from the surface of an adherend without adhesive residue.
The first reinforcing strip 32 or/and the second reinforcing strip 33 is/are a rubber strip, a PE strip or a PP strip. These are soft materials, which do not affect the winding process of the adhesive tape production and the sealing performance in use.
Example 3
A high-performance traceless adhesive tape is shown in figures 5 and 6 and comprises a pressure-sensitive adhesive layer 2 and a release layer (a first release layer 1 in the figures), wherein the first release layer 1 is attached to the surface of the pressure-sensitive adhesive layer 2, a reinforcing layer 3 parallel to the extending plane of the adhesive tape is embedded in the pressure-sensitive adhesive layer 2, and the adhesive in the pressure-sensitive adhesive layer 2 forms a continuous phase.
The reinforcing layer 3 is a mesh cloth with uniform through holes 34, and the through holes 34 can enable the adhesive above and below the reinforcing layer 3 to be continuous and strong, so that the cohesive strength of the adhesive is not affected.
The mesh cloth is glass fiber mesh cloth, a polyester fiber net, a nylon net or a polypropylene fiber net. The scrim provides stretchability, support, and set to the tape.
The mesh size of the mesh cloth is smaller than 8mm multiplied by 8mm and larger than 1mm multiplied by 1 mm. The mesh size is set according to the actual use scene, the mesh is too large to play a role, and when the sticking area is small, the adhesive layer even has no reinforcing layer; the meshes are too small, so that the adhesive is difficult to penetrate through the meshes to form a continuous phase, the production of the adhesive tape is influenced, the cohesion in an adhesive layer is also influenced, and the material is easy to generate interface damage and the service performance of the material is influenced.
Example 4
The high-performance traceless adhesive tape comprises a pressure-sensitive adhesive layer and a release layer, wherein the release layer is attached to the surface of the pressure-sensitive adhesive layer, a reinforcing layer parallel to the extending plane of the adhesive tape is embedded into the pressure-sensitive adhesive layer, and an adhesive in the pressure-sensitive adhesive layer forms a continuous phase.
As shown in fig. 7, the reinforcing layer 3 is a resin film with uniform through holes 34. The through holes 34 can make the adhesive above and below the reinforcing layer 3 continuously strong, so that the cohesive strength of the adhesive is not influenced. The resin film is a TPU film, a PP film, a PE film or a PVC film.
The area of the resin film is greater than 1/3 and less than 2/3 of the planar area of the tape. Similarly, the area of the resin film is too small to play a role in reinforcement, and the area of the resin film is too large to influence the production and processing process and the service performance, so that interface damage is easy to occur in use and stripping; similarly, the size of the through holes 34 on the resin film is also within a proper range, and the through holes 34 are distributed as densely as possible under the condition that the adhesive can easily flow through in the production process.
The above detailed description is specific to possible embodiments of the present invention, and the embodiments are not intended to limit the scope of the present invention, and all equivalent implementations or modifications that do not depart from the scope of the present invention should be included within the scope of the present invention.
Claims (10)
1. The high-performance traceless adhesive tape is characterized by comprising a pressure-sensitive adhesive layer and at least one release layer, wherein the release layer is attached to the surface of the pressure-sensitive adhesive layer, a reinforcing layer parallel to the extending plane of the adhesive tape is embedded in the pressure-sensitive adhesive layer, and the adhesive in the pressure-sensitive adhesive layer forms a continuous phase.
2. The high-performance traceless adhesive tape according to claim 1, wherein the reinforcing layer is a plurality of mutually parallel reinforcing strips, the reinforcing strips extend along the length direction of the adhesive tape, and the reinforcing strips are rubber strips, PE strips or PP strips.
3. The high-performance traceless adhesive tape according to claim 1, wherein the reinforcing layer comprises a first reinforcing layer and a second reinforcing layer, the first reinforcing layer comprises a plurality of first reinforcing strips extending in the longitudinal direction of the tape and being parallel to each other, the second reinforcing layer comprises a plurality of second reinforcing strips extending in the width direction of the tape and being parallel to each other, the first reinforcing layer and the second reinforcing layer are embedded in the pressure-sensitive adhesive layer, and the first reinforcing layer and the second reinforcing layer are spaced apart from each other in the thickness direction of the pressure-sensitive adhesive layer.
4. The high-performance traceless adhesive tape according to claim 3, wherein the first reinforcing strip or/and the second reinforcing strip is a rubber strip, a PE strip or a PP strip.
5. The high-performance traceless adhesive tape according to claim 1, wherein the reinforcing layer is a mesh cloth with uniform through holes or a resin film.
6. The high-performance traceless adhesive tape according to claim 5, wherein the mesh cloth is a glass fiber mesh cloth, a polyester fiber mesh, a nylon mesh or a polypropylene fiber mesh.
7. The high performance seamless adhesive tape of claim 5, wherein the mesh size of the mesh cloth is less than 8mm x 8mm and greater than 1mm x 1 mm.
8. The high-performance traceless adhesive tape according to claim 5, wherein the resin film is a TPU film, a PP film, a PE film or a PVC film.
9. The high-performance traceless adhesive tape according to claim 5, wherein the planar area of the resin film is greater than 1/3 and less than 2/3 of the planar area of the adhesive tape.
10. The high-performance traceless adhesive tape according to any one of claims 1 to 9, wherein the thickness of the pressure-sensitive adhesive layer is 100 to 600 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021218273.0U CN212687950U (en) | 2020-06-28 | 2020-06-28 | High-performance traceless adhesive tape |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021218273.0U CN212687950U (en) | 2020-06-28 | 2020-06-28 | High-performance traceless adhesive tape |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212687950U true CN212687950U (en) | 2021-03-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021218273.0U Active CN212687950U (en) | 2020-06-28 | 2020-06-28 | High-performance traceless adhesive tape |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212687950U (en) |
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2020
- 2020-06-28 CN CN202021218273.0U patent/CN212687950U/en active Active
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| 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 |
Denomination of utility model: A high-performance traceless tape Effective date of registration: 20231115 Granted publication date: 20210312 Pledgee: China Postal Savings Bank Co.,Ltd. Enping City Branch Pledgor: Enping Yingjiafeng Adhesive Products Co.,Ltd. Registration number: Y2023980065765 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |