CN103834316B - Adhesive structure, surface conditioning agent and tear off method - Google Patents
Adhesive structure, surface conditioning agent and tear off method Download PDFInfo
- Publication number
- CN103834316B CN103834316B CN201210486352.3A CN201210486352A CN103834316B CN 103834316 B CN103834316 B CN 103834316B CN 201210486352 A CN201210486352 A CN 201210486352A CN 103834316 B CN103834316 B CN 103834316B
- Authority
- CN
- China
- Prior art keywords
- magnetic
- particle
- invalidation
- adhesive
- nucleome
- 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
- 239000000853 adhesive Substances 0.000 title claims abstract description 35
- 230000001070 adhesive effect Effects 0.000 title claims abstract description 35
- 239000003795 chemical substances by application Substances 0.000 title claims abstract description 13
- 230000003750 conditioning effect Effects 0.000 title claims abstract description 12
- 238000000034 method Methods 0.000 title claims abstract description 11
- 239000002245 particle Substances 0.000 claims abstract description 37
- 239000012790 adhesive layer Substances 0.000 claims abstract description 35
- 239000010410 layer Substances 0.000 claims abstract description 28
- 239000011258 core-shell material Substances 0.000 claims abstract description 8
- 239000011347 resin Substances 0.000 claims description 15
- 229920005989 resin Polymers 0.000 claims description 15
- 239000000203 mixture Substances 0.000 claims description 8
- SZVJSHCCFOBDDC-UHFFFAOYSA-N ferrosoferric oxide Chemical compound O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 claims description 6
- 230000003647 oxidation Effects 0.000 claims description 6
- 238000007254 oxidation reaction Methods 0.000 claims description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 5
- 229910000863 Ferronickel Inorganic materials 0.000 claims description 3
- RIVZIMVWRDTIOQ-UHFFFAOYSA-N cobalt iron Chemical compound [Fe].[Co].[Co].[Co] RIVZIMVWRDTIOQ-UHFFFAOYSA-N 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 229920002545 silicone oil Polymers 0.000 claims description 3
- 229940056319 ferrosoferric oxide Drugs 0.000 claims 2
- DALUDRGQOYMVLD-UHFFFAOYSA-N iron manganese Chemical compound [Mn].[Fe] DALUDRGQOYMVLD-UHFFFAOYSA-N 0.000 claims 2
- DQMUQFUTDWISTM-UHFFFAOYSA-N O.[O-2].[Fe+2].[Fe+2].[O-2] Chemical compound O.[O-2].[Fe+2].[Fe+2].[O-2] DQMUQFUTDWISTM-UHFFFAOYSA-N 0.000 claims 1
- 238000004381 surface treatment Methods 0.000 claims 1
- 239000002904 solvent Substances 0.000 description 6
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 3
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 2
- 239000004925 Acrylic resin Substances 0.000 description 2
- 229920000178 Acrylic resin Polymers 0.000 description 2
- 229910002518 CoFe2O4 Inorganic materials 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- 229910017163 MnFe2O4 Inorganic materials 0.000 description 1
- 229910003264 NiFe2O4 Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- NQNBVCBUOCNRFZ-UHFFFAOYSA-N nickel ferrite Chemical compound [Ni]=O.O=[Fe]O[Fe]=O NQNBVCBUOCNRFZ-UHFFFAOYSA-N 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
Landscapes
- Adhesives Or Adhesive Processes (AREA)
- Magnetic Treatment Devices (AREA)
Abstract
Adhesive structure, surface conditioning agent and tear off method.A kind of adhesive structure includes bonding piece and is set in turn in the surface-treated layer and adhesive layer on the bonding piece surface.The surface-treated layer includes magnetic invalidation particle, and the magnetic invalidation particle is coreshell type structure, and the magnetic invalidation particle includes the failure nucleome that can reduce the cohesive force of the adhesive layer for having magnetic magnetic housing and being coated in the magnetic crust body.Because surface-treated layer includes magnetic invalidation particle, when applying externally-applied magnetic field to adhesive structure, the magnetic casing rupture of the magnetic invalidation particle in surface-treated layer, failure nucleome therein is discharged, make the adhesion strength of adhesive layer reduce, so that adhesive layer is easier to tear off from the surface of bonding piece.
Description
Technical field
The present invention relates to a kind of adhesive structure, more particularly to a kind of adhesive structure including surface-treated layer；The present invention is also
Be related to a kind of surface conditioning agent and a kind of adhesive structure tears off method.
Background technology
Typically two workpiece are bonded together using adhesive layer at present in consumer electronic product.On the one hand, adhesive layer
There need to be preferable caking property to bond part with firm；On the other hand, during heavy industry, adhesive layer need to have again preferably easily to be torn off
Property；I.e. adhesive layer had not only needed with preferable caking property but also need to be with preferably easy tearing off property.However, current adhesive layer is difficult two
Person takes into account.
The content of the invention
In view of the foregoing, it is necessary to the adhesive structure that a kind of adhesive layer is easier to tear off is provided, it is a kind of to there is a need to offer
It can make what adhesive layer was easier to the surface conditioning agent that tears off and the adhesive structure to tear off method.
A kind of adhesive structure includes bonding piece and is set in turn in the surface-treated layer and adhesive layer on the bonding piece surface.Should
Surface-treated layer includes magnetic invalidation particle, and the magnetic invalidation particle is coreshell type structure, and the magnetic invalidation particle includes having
The magnetic housing of magnetic and the failure nucleome being coated in the magnetic crust body.Failure nucleome can drop the cohesive force of the adhesive layer
It is low.
A kind of surface conditioning agent, its magnetic invalidation particle for including resin and being scattered in the resin, the magnetic invalidation grain
Son is coreshell type structure, and the magnetic invalidation particle includes the failure for having magnetic magnetic housing and being coated in the magnetic crust body
Nucleome, the failure nucleome can reduce the cohesive force of adhesive.
A kind of adhesive structure tears off method, and the adhesive structure includes bonding piece and is set in turn in the bonding piece surface
Surface-treated layer and adhesive layer, the surface-treated layer include magnetic invalidation particle, and the magnetic invalidation particle is coreshell type structure, should
Magnetic invalidation particle includes the cohesive force that can make the adhesive layer for having magnetic magnetic housing and being coated in the magnetic crust body
The failure nucleome of reduction, this, which tears off method, includes：Externally-applied magnetic field is applied to the adhesive structure, so that the magnetic in the surface-treated layer
Property failure particle magnetic casing rupture, so as to discharge failure nucleome therein；The adhesive layer is torn from the surface of the bonding piece
From.
In above-mentioned adhesive structure, because surface-treated layer includes magnetic invalidation particle, when to the additional magnetic of adhesive structure application
During field, the magnetic casing rupture of the magnetic invalidation particle in surface-treated layer, failure nucleome therein is discharged, make the viscous of adhesive layer
Put forth effort to reduce, so that adhesive layer is easier to tear off from the surface of bonding piece.
Brief description of the drawings
Fig. 1 is the schematic diagram of the adhesive structure of embodiment of the present invention.
Main element symbol description
| Adhesive structure | 100 |
| First bonding piece | 10 |
| Second bonding piece | 30 |
| Surface-treated layer | 50 |
| Adhesive layer | 70 |
Following embodiment will combine above-mentioned accompanying drawing and further illustrate the present invention.
Embodiment
Referring to Fig. 1, the adhesive structure 100 of embodiment of the present invention includes the first bonding piece 10, the second bonding piece 30, applied
The surface-treated layer 50 on the surface of the first bonding piece 10 is overlying on, and the glue being arranged between the bonding piece 30 of surface-treated layer 50 and second
Adhesion coating 70.In embodiments of the present invention, the first bonding piece 10, the second bonding piece 30 are metal shell.It is appreciated that the
First, the structure of the second bonding piece 10,30 can change with material according to actual use demand, and such as the first bonding piece 10 can be glass base
Plate, the second bonding piece 30 can be plastic casing.Adhesive layer 70 to the adhesive coating of surface-treated layer 50 from forming, for by first
The bonding piece 30 of bonding piece 10 and second is bonded in together.
Surface-treated layer 50 to the surface coating surface inorganic agent of the first bonding piece 10 from forming, to improve the first bonding piece 10
With the cohesive force between adhesive layer 70.The surface conditioning agent includes：By mass, 5-10% resin, 0.1-1.0% magnetic are lost
Imitate particle and the solvent of surplus.Resin is dissolved in solvent, and resin can be acrylic resin, such as polymethyl methacrylate.
It is appreciated that resin is not limited to acrylic resin, as long as it can improve the cohesive force of adhesive layer 70 and the first bonding piece 10 i.e.
Can.Magnetic invalidation particle is scattered in solvent, and magnetic invalidation particle is coreshell type structure, i.e., with magnetic housing and is coated on this
Failure nucleome in magnetic crust body, failure nucleome can reduce the cohesive force of adhesive layer 70.The composition of magnetic housing includes four oxygen
Change three-iron（Fe3O4）, di-iron trioxide（Fe2O3）, Manganese Iron（MnFe2O4）, oxidation ferro-cobalt（CoFe2O4）And oxidation ferronickel
（NiFe2O4）In one or more.It is appreciated that magnetic housing is not limited to mentioned component, as long as there is magnetic.Failure
The composition of nucleome can be silicone oil or cured quasi-molecule.It is appreciated that the composition of failure nucleome is not limited to mentioned component, as long as it can make
The cohesive force of adhesive layer 70 reduces.Solvent can be conventional organic solvent, such as ethyl acetate, acetone, butanone.It can manage
Solution, the composition of solvent have no it is specifically limited, as long as above-mentioned resin can be dissolved.Even, above-mentioned solvent can be also omitted, in this kind
During situation, directly magnetic invalidation particle is scattered in resin, the quality of resin and magnetic invalidation particle is 5- than scope
100。
The method that tears off of the adhesive structure 100 of embodiment of the present invention comprises the following steps：Adhesive structure 100 is applied outer
Add magnetic field, so that the magnetic casing rupture of the magnetic invalidation particle in surface-treated layer 50, so as to discharge failure nucleome therein；
Adhesive layer 70 is torn off from the surface of first, second bonding piece 10,30.
It is appreciated that adhesive structure 100 also may not include the second bonding piece 30, i.e., only including the first bonding piece 10 and successively
It is arranged at the surface-treated layer 50 and adhesive layer 70 on the surface of the first bonding piece 10.
In embodiment of the present invention, because surface-treated layer 50 includes magnetic invalidation particle, apply when to adhesive structure 100
During externally-applied magnetic field, the magnetic casing rupture of the magnetic invalidation particle in surface-treated layer 50, failure nucleome therein is discharged, so as to
Make the adhesion strength of the adhesive in adhesive layer 70 reduce, so that adhesive layer 70 is easier to the table from first, second bonding piece 10,30
Face is torn off.When tearing off adhesive layer 70, due to without heating or illumination, so as to not interfere with the property of first, second bonding piece 10,30
Matter.
It is appreciated that those skilled in the art can also do other changes in spirit of the invention, without departing from this hair
Bright technique effect.These changes done according to present invention spirit, it should all be included in present invention model claimed
Within enclosing.
Claims (10)
1. a kind of adhesive structure, its adhesive layer for including bonding piece and being arranged in the bonding piece, it is characterised in that：The bonding knot
Structure also includes the surface-treated layer for being formed at the bonding piece surface, and the surface-treated layer is located at the bonding piece surface and the adhesive layer
Between, the surface-treated layer includes magnetic invalidation particle, and the magnetic invalidation particle is coreshell type structure, the magnetic invalidation particle bag
The failure nucleome for having magnetic magnetic housing and being coated in the magnetic crust body is included, the failure nucleome can make the viscous of the adhesive layer
Tying power reduces.
2. adhesive structure as claimed in claim 1, it is characterised in that：The composition of the magnetic housing includes ferroso-ferric oxide, three
Aoxidize the one or more in two iron, Manganese Iron, oxidation ferro-cobalt and oxidation ferronickel.
3. adhesive structure as claimed in claim 1, it is characterised in that：The composition of failure nucleome is silicone oil or wax class molecule.
4. adhesive structure as claimed in claim 1, it is characterised in that：The surface-treated layer also includes resin, the magnetic invalidation
Particle is scattered in the resin.
5. adhesive structure as claimed in claim 4, it is characterised in that：The quality of the resin and the magnetic invalidation particle compares scope
For 5 to 100.
6. a kind of surface conditioning agent, it includes resin, it is characterised in that：The surface conditioning agent also includes being scattered in the resin
Magnetic invalidation particle, the magnetic invalidation particle are coreshell type structure, and the magnetic invalidation particle includes having magnetic magnetic housing
And the failure nucleome in the magnetic crust body is coated on, the failure nucleome can reduce the cohesive force of adhesive.
7. surface conditioning agent as claimed in claim 6, it is characterised in that：The quality of the resin and the magnetic invalidation particle compares model
Enclose for 5 to 100.
8. surface conditioning agent as claimed in claim 6, it is characterised in that：The composition of the magnetic housing include ferroso-ferric oxide,
One or more in di-iron trioxide, Manganese Iron, oxidation ferro-cobalt and oxidation ferronickel.
9. surface conditioning agent as claimed in claim 6, it is characterised in that：The composition of failure nucleome is silicone oil or wax class molecule.
10. a kind of adhesive structure tears off method, the adhesive structure includes bonding piece and is set in turn in the bonding piece surface
Surface-treated layer and adhesive layer, the surface-treated layer include magnetic invalidation particle, and the magnetic invalidation particle is coreshell type structure, should
Magnetic invalidation particle includes the failure nucleome for having magnetic magnetic housing and being coated in the magnetic crust body, the failure nucleome energy
Make the cohesive force of the adhesive layer reduce, this, which tears off method, includes：Externally-applied magnetic field is applied to the adhesive structure, so that the surface treatment
The magnetic casing rupture of the magnetic invalidation particle of layer, so as to discharge failure nucleome therein；And by the adhesive layer from the bonding piece
Surface tear off.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210486352.3A CN103834316B (en) | 2012-11-26 | 2012-11-26 | Adhesive structure, surface conditioning agent and tear off method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210486352.3A CN103834316B (en) | 2012-11-26 | 2012-11-26 | Adhesive structure, surface conditioning agent and tear off method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103834316A CN103834316A (en) | 2014-06-04 |
| CN103834316B true CN103834316B (en) | 2017-11-21 |
Family
ID=50798221
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210486352.3A Active CN103834316B (en) | 2012-11-26 | 2012-11-26 | Adhesive structure, surface conditioning agent and tear off method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103834316B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3450143A4 (en) * | 2016-04-26 | 2019-12-25 | Nitto Denko Corporation | Shaping-stage adhesive sheet and lamination shaping device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2157891A1 (en) * | 1993-03-09 | 1994-09-15 | Joseph P. Callahan, Jr. | A method for magnetically and/or electrostatically positioning pressure-sensitive adhesive beads and magnetically positionable pressure-sensitive adhesive beads |
| CN1445797A (en) * | 2003-04-01 | 2003-10-01 | 吉林大学 | Magnetic hud fine particles possessing strong magnetic field response capability and its preparing method |
| CN1718619A (en) * | 2005-08-08 | 2006-01-11 | 北京师范大学 | Magnetic composite microglobule possessing inorganic/organic core shell structure and its preparation method |
| CN1753963A (en) * | 2001-11-13 | 2006-03-29 | 德古萨股份公司 | Curable bonded assemblies capable of being dissociated |
| CN101817960A (en) * | 2010-03-17 | 2010-09-01 | 中国石油大学(华东) | Method for preparing magnetic composite nanoparticles with core-shell structure |
| DE102009028942A1 (en) * | 2009-08-27 | 2011-03-03 | Evonik Degussa Gmbh | Inductively curable adhesive composition |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090246437A1 (en) * | 2008-04-01 | 2009-10-01 | Do Kyun Lim | Laminate Sheet and Manufacturing Method Thereof |
-
2012
- 2012-11-26 CN CN201210486352.3A patent/CN103834316B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2157891A1 (en) * | 1993-03-09 | 1994-09-15 | Joseph P. Callahan, Jr. | A method for magnetically and/or electrostatically positioning pressure-sensitive adhesive beads and magnetically positionable pressure-sensitive adhesive beads |
| CN1753963A (en) * | 2001-11-13 | 2006-03-29 | 德古萨股份公司 | Curable bonded assemblies capable of being dissociated |
| CN1445797A (en) * | 2003-04-01 | 2003-10-01 | 吉林大学 | Magnetic hud fine particles possessing strong magnetic field response capability and its preparing method |
| CN1718619A (en) * | 2005-08-08 | 2006-01-11 | 北京师范大学 | Magnetic composite microglobule possessing inorganic/organic core shell structure and its preparation method |
| DE102009028942A1 (en) * | 2009-08-27 | 2011-03-03 | Evonik Degussa Gmbh | Inductively curable adhesive composition |
| CN101817960A (en) * | 2010-03-17 | 2010-09-01 | 中国石油大学(华东) | Method for preparing magnetic composite nanoparticles with core-shell structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103834316A (en) | 2014-06-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102225639B (en) | Preparation method of aluminum foil composite packaging material | |
| JP2003513144A5 (en) | ||
| NZ613479A (en) | Abrasive article and method of forming | |
| ATE474896T1 (en) | LOW TEMPERATURE CURING OF IMPACT MODIFIED EPOXY ADHESIVES | |
| MX2010001500A (en) | Photoactive tio2 in coating materials. | |
| CN205616835U (en) | Easily torn adhesive tape | |
| JP2010539293A5 (en) | ||
| JP2016537491A5 (en) | ||
| CN103834316B (en) | Adhesive structure, surface conditioning agent and tear off method | |
| WO2008117611A1 (en) | Bonding material composition, process for producing the same, and bonded material and process for producing the same | |
| CN107068938A (en) | Internal battery encapsulating structure and user terminal | |
| CN201746496U (en) | Anti-counterfeiting packing tape | |
| CN212954969U (en) | Removable adhesive tape | |
| TWI490301B (en) | Adhesive structure, surface treating agent, and peeling method | |
| MX2015007923A (en) | Waterborne adhesives. | |
| JP2008127403A5 (en) | ||
| CN205590612U (en) | Portable pressure sensitive tape | |
| WO2011073422A3 (en) | Crimping fold bond | |
| CN205428891U (en) | Semiconductor carrier tool | |
| CN108457548A (en) | A kind of electromagnetic damper | |
| CN106163080B (en) | Flexible circuit board | |
| CN209144060U (en) | Low resistance conductive glue film | |
| CN111253880A (en) | Multifunctional adhesive tape for winding automobile wire harness | |
| CN105295780A (en) | Magnetic butyl hot melt adhesive and production method thereof | |
| JP2001341241A5 (en) |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191106 Address after: Room 2, west of the second floor, No. 355, Huanbei West Road, Weitang street, Jiashan County, Jiaxing City, Zhejiang Province Patentee after: Jiashan Weitang Asset Management Co.,Ltd. Address before: 518109, No. two, No. tenth, East Ring Road, Pinus tabulaeformis Industrial Zone, Longhua Town, Baoan District, Guangdong, Shenzhen, 2 Co-patentee before: HON HAI PRECISION INDUSTRY Co.,Ltd. Patentee before: HONG FU JIN PRECISION INDUSTRY (SHENZHEN) Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| 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 invention: Bonding structure, surface treatment agent and tearing off method Effective date of registration: 20210531 Granted publication date: 20171121 Pledgee: Weitang sub branch of Zhejiang Jiashan Rural Commercial Bank Co.,Ltd. Pledgor: Jiashan Weitang Asset Management Co.,Ltd. Registration number: Y2021980004130 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20231018 Granted publication date: 20171121 Pledgee: Weitang sub branch of Zhejiang Jiashan Rural Commercial Bank Co.,Ltd. Pledgor: Jiashan Weitang Asset Management Co.,Ltd. Registration number: Y2021980004130 |
|
| 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 invention: Adhesive structure, surface treatment agent, and tear off method Effective date of registration: 20231127 Granted publication date: 20171121 Pledgee: Weitang sub branch of Zhejiang Jiashan Rural Commercial Bank Co.,Ltd. Pledgor: Jiashan Weitang Asset Management Co.,Ltd. Registration number: Y2023330002807 |