CN102504712B - Double-sided pressure sensitive adhesive tape capable of movement in short time, and preparation method thereof - Google Patents
Double-sided pressure sensitive adhesive tape capable of movement in short time, and preparation method thereof Download PDFInfo
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- CN102504712B CN102504712B CN201110364736.3A CN201110364736A CN102504712B CN 102504712 B CN102504712 B CN 102504712B CN 201110364736 A CN201110364736 A CN 201110364736A CN 102504712 B CN102504712 B CN 102504712B
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- adhesive tape
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- sensitive adhesive
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Abstract
The invention discloses a double-sided pressure sensitive adhesive tape capable of free movement in a short time, and a method thereof. The adhesive tape comprises two adhesive layers, wherein the surface of an adhesive layer is covered with 5-10/cm<2> microbeads, and the surface of the adhesive layer is covered with release paper. The adhesive layers are the pressure sensitive adhesive layers. The preparation method for the tape comprises: mixing 2-ethylhexyl acrylate and an acrylic acid monomer, adding a certain monomer weight of azobisisobutylnitrile, and dissolving in ethyl acetate to obtain a mixed solution; in the case of nitrogen introducing, carrying out a reaction for 8 hours at a temperature of 60-65 DEG C to obtain an acrylate polymer; adding a cross-linking agent to the solution, and uniformly mixing; coating the adhesive solution on the silicone treated release paper, and conveying to a baking oven to carry out drying, wherein the temperature is 100 DEG C, and the time is 5 minutes; adhering the adhesive layer to the substrate after completing the drying, wherein the thickness of the adhesive layer after the drying is 70-80 mum; preparing a dried adhesive film by the same method, and uniformly spraying the microbeads with the diameter of 10-30 mum on the adhesive surface after the adhesive film is adhered to the substrate, wherein each square centimeter of the adhesive surface is sprayed with 5-10 of the microbeads, and the release paper is compounded on the adhesive layer after completing the microbead spraying.
Description
Technical field
The present invention relates to a kind of Pressuresensitive Tape, relate in particular in a kind of short period of time movably two
Face pressure-sensitive adhesive tape and preparation method.
Background technology
At present mainly contain foam base material double-faced adhesive tape, double-faced adhesive tape without base material double-faced adhesive tape, film substrate double-faced adhesive tape, weaving or non-textile base material for the fixing double-sided pressure-sensitive adhesive tape of article.These double-faced adhesive tapes are wherein a kind of to be fixed for provisional stickup, after being used to complete, is easy to remove.Another kind is for being permanently fixed type, after adhesive tape joining, cannot remove again, allows to remove also to cause bond destruction or self adhesive tape to destroy residue cleaning difficulty after self adhesive tape destroys.Double-faced adhesive tape pressure sensitive adhesive used is generally acrylate type or rubber-type, and pressure sensitive adhesive is generally first coated on separate-type paper or release film, is then dried or UV irradiation, then obtains double-sided pressure-sensitive adhesive tape goods by compound or transfer.
The mentioned type that is permanently fixed double-sided pressure-sensitive adhesive tape is generally first in advance pasted into subassembly with an adherend surface in the time of fixation application above, and we are referred to as " pre-assembly ".At needs during with another surface bonding, after the separate-type paper on self adhesive tape surface or release film are removed and another adherend surface is bonding, and we are referred to as " binding face " a rear adhesive face.Because the bonding coat of common double-faced adhesive tape reaches effectively bonding with binding face in a short period of time, cause the movement that cannot can't harm self adhesive tape when paste position mistake need to be adjusted in the early stage, can only again do over again with failure mode, cause waste of material and reduce production efficiency.
Summary of the invention
In order to overcome the deficiencies in the prior art, the object of the present invention is to provide a kind of double-sided pressure-sensitive adhesive tape that can move freely at short notice, need to adjust pre-module position after initial stickup time, can easily self adhesive tape be peeled from binding face, peel with
The pre-assembly of double-faced adhesive tape can be pasted again, and does not need to change self adhesive tape or destroy pre-assembly.
In order to realize above-mentioned object, the present invention has adopted following technical scheme: comprise two adhesive layers, be characterized in that the surface coverage of described one of them adhesive layer has 5-10/cm2 microballon, the surface coverage separate-type paper of described adhesive layer; Described adhesive layer is pressure-sensitive adhesive layer, can be made into base material or the adhesive layer without base material.
Above-mentioned microballon is metal microbead, glass microballon or ceramic fine bead, and described bead diameter is 10-30um, and described microballon is hollow or solid, becomes circle rate to be more than or equal to 85%.
Above-mentioned base material is PE foam, EVA foam, PU foam, EPDM foam, PVC foam, non-woven fabrics, woven or various plastics film.
Prepare in described a kind of short period of time the movably method of double-sided pressure-sensitive adhesive tape, the method is:
By mixed to ethyl acrylate and Acrylic Acid Monomer, then add monomer weight 0.2 ~ 0.5% Diisopropyl azodicarboxylate to be dissolved in ethyl acetate, obtain mixed solution; The in the situation that of logical nitrogen, in 60-65 ℃ of reaction 8 hours, obtain acrylic polymer, then linking agent added in above-mentioned solution and be mixed evenly; Obtained binder solution is coated in the separate-type paper that organosilicon processed and sent into baking oven be dried, Temperature Setting is 100 ℃, and the time is 5 minutes; Being dried rear bondline thickness is 70-80 micron, after being dried, glue-line and base material is fitted; Use the same method and complete again a dried glued membrane, after fitting with base material, on glue face, evenly spill by the quantity of every square meter centimetre 5-10 the microballon that diameter is 10-30um micron, after completing, be compounded on glue-line by separate-type paper again.
Beneficial effect: one of them gluing aspect of the present invention is covered with the microballon of some amount, these
Can be easily when microballon can make need to adjust pre-module position after initial stickup by
Pre-assembly with double-faced adhesive tape peels from binding face, and the pre-assembly with double-faced adhesive tape peeling can be pasted again, and does not need to change double-faced adhesive tape or cause pre-assembly to destroy and change.
Embodiment
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with specific embodiment, the present invention is described in more detail.
Embodiment 1
Pressure sensitive adhesive of the present invention is esters of acrylic acid pressure sensitive adhesive, and acrylate pressure sensitive adhesives obtains with having the monomer copolymerizable of radical polymerization mould assembly unsaturated group at least one reactive functional groups with (methyl) alkyl acrylate conventionally.
Conventional the having that can enumerate for (methyl) alkyl acrylate: (methyl) methyl acrylate, (methyl) ethyl propenoate, (methyl) n-butyl acrylate, (methyl) isobutyl acrylate, (methyl) ethyl acrylate, (methyl) vinylformic acid n-octyl, (methyl) Isooctyl acrylate monomer, (methyl) lauryl acrylate, (methyl) vinylformic acid stearyl etc.Above monomer can also can be used in combination separately.The consumption of this monomer accounts for the 80-99% of monomer total amount.
Conventional the having that can enumerate as functional monomer: (methyl) vinylformic acid, methylene-succinic acid, (methyl) Hydroxyethyl Acrylate, (methyl) vinylformic acid-hydroxy methacrylate, (methyl) vinylformic acid hydroxy propyl ester, (methyl) vinylformic acid hydroxyl butyl ester, acrylamide, N hydroxymethyl acrylamide, glycidyl methacrylate, maleic anhydride etc.This monomer can also can be used in combination separately, and consumption generally accounts for the 1-20% of monomer total amount.
Can also comprise for other type monomers of copolymerization in addition: vinyl-acetic ester, vinylbenzene, vinyl toluene, vinyl cyanide.Its consumption generally accounts for the 0-20% of monomer total amount.
Tackiness agent can add linking agent (as isocyanates linking agent, amides linking agent, acetyl acetone salt class), tackifying resin (as rosin and derivative, terpenes or modification terpenes, oil soluble phenolic), antiaging agent, filler, pigment etc. as required.
Above-mentioned pressure sensitive adhesive can adopt in the preparation thermal polymerization or Photoepolymerizationinitiater initiater to be cured reaction and obtain.
That can mention for thermal polymerization has: azo polymerization starter (for example, Diisopropyl azodicarboxylate, azo nitrile dimethyl, 2,2'-Azobis(2,4-dimethylvaleronitrile)).Peroxide polymerization starter (for example, dibenzoyl peroxide, the dibenzoyl peroxide tert-butyl ester, methylethyl ketone peroxide, the peroxidation toxilic acid tert-butyl ester).The consumption of thermal polymerization is generally 0.2 ~ 0.5% of monomer total amount.
What photo-polymerization type initiator can be mentioned has: bitter almond oil camphor class and derivative thereof, benzil class and derivative thereof, acetophenones, hydroxyalkyl benzophenone class, amine alkylbenzene ketone, acyl group phosphorous oxides, benzophenone, thioxanthones.Above initiator can also can be used in combination separately.Consumption accounts for 0.01 ~ 5% of monomer total amount.
Specific implementation method: the Acrylic Acid Monomer of the ethyl acrylate of 92 weight parts and 8 weight parts is mixed, then add the Diisopropyl azodicarboxylate of monomer weight 0.05% to be dissolved in ethyl acetate, obtain mixed solution.The in the situation that of logical nitrogen, in 60-65 ℃ of reaction 8 hours, obtain the acrylic polymer that molecular weight is 100-150 ten thousand, the solids content of polymkeric substance is 30%.Then the linking agent of 1 weight part (Cytec cymel 325 Qing Te company of U.S. products) is added in above-mentioned pressure sensitive adhesion agent solution and is mixed evenly.Obtained binder solution is coated in the separate-type paper that organosilicon processed and sent into baking oven be dried, Temperature Setting is 100 ℃, and the time is 5 minutes.Being dried rear bondline thickness is 70-80 micron, after being dried, glue-line and PE foam is fitted.Use the same method and complete a dried glued membrane again, different is on glue face, evenly to spill by the quantity of every square meter centimetre 5-10 the microballon that diameter is 10-30 micron after glued membrane and the laminating of PE foam, after completing, is compounded on glue-line by separate-type paper again.
Comparative example 1
According to the prepared identical pressure sensitive adhesive of the method for example 1, difference is that the quantity of microballon is that every square meter centimetre is 2-5.
Comparative example 2
According to the prepared identical pressure sensitive adhesive of the method for example 1, difference is that the quantity of microballon is that every square meter centimetre is 15-20.
Comparative example 3
According to the prepared identical pressure sensitive adhesive of the method for example 1, difference is that the diameter of microballon is 50-100 micron.
Comparative example 4
According to the prepared identical pressure sensitive adhesive of the method for example 1, difference is that two glue faces are not all executed and spilt microballon.
1, bead diameter is measured
Use number display type milscale to carry out or measuring microscope measurement
2, spill pearl quantitative measurement
Adopt ruler line to calculate the microballon quantity in 1cm × 1cm grid, 10 lattice of minimum measurement in conjunction with 10 times of magnifying glass range estimations.
Table 1
3, application property evaluation test
| ? | Instantaneous binding property | Removing property in 1h | Binding property after exerting pressure |
| Embodiment | Well | Well | Bonding firm, cannot move again |
| Comparative example 1 | Well | While removing, foam destroys | —— |
| Comparative example 2 | Easily come off, binding property is poor | —— | —— |
| Comparative example 3 | Easily come off, binding property is poor | —— | —— |
| Comparative example 4 | Well | While removing, foam destroys | —— |
Claims (1)
1. the method for double-sided pressure-sensitive adhesive tape movably in a kind of short period of time of preparation, the method is:
1) Acrylic Acid Monomer of the ethyl acrylate of 92 weight parts and 8 weight parts is mixed, then add the Diisopropyl azodicarboxylate of monomer weight 0.05% to be dissolved in ethyl acetate, obtain mixed solution;
2) in the situation that of logical nitrogen in 60-65 ℃ of reaction 8 hours, obtain the acrylic polymer that molecular weight is 100-150 ten thousand, the solids content of polymkeric substance is 30%;
3) then the Cytec cymel 325 of 1 weight part is added in pressure sensitive adhesion agent solution and is mixed evenly;
4) obtained binder solution is coated in the separate-type paper that organosilicon processed and sent into baking oven and be dried, Temperature Setting is 100 ℃, and the time is 5 minutes, and being dried rear bondline thickness is 70-80 micron, glue-line and PE foam is fitted after dry; Use the same method and complete a dried glued membrane again, different is on glue face, evenly to spill by the quantity of every square meter centimetre 5-10 the microballon that diameter is 10-30 micron after glued membrane and the laminating of PE foam, after completing, is compounded on glue-line by separate-type paper again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110364736.3A CN102504712B (en) | 2011-11-17 | 2011-11-17 | Double-sided pressure sensitive adhesive tape capable of movement in short time, and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110364736.3A CN102504712B (en) | 2011-11-17 | 2011-11-17 | Double-sided pressure sensitive adhesive tape capable of movement in short time, and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102504712A CN102504712A (en) | 2012-06-20 |
| CN102504712B true CN102504712B (en) | 2014-06-04 |
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|---|---|---|---|
| CN201110364736.3A Expired - Fee Related CN102504712B (en) | 2011-11-17 | 2011-11-17 | Double-sided pressure sensitive adhesive tape capable of movement in short time, and preparation method thereof |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103254825B (en) * | 2012-07-10 | 2014-10-29 | 东莞市富印胶粘科技有限公司 | Base material adhesive tape for crylic acid under high temperature and preparation method thereof |
| CN103254823B (en) * | 2012-07-10 | 2014-10-29 | 东莞市富印胶粘科技有限公司 | Acryl foam adhesive tape and preparation method thereof |
| CN103254824B (en) * | 2012-07-10 | 2014-10-08 | 东莞市富印胶粘科技有限公司 | Heat-conductive electric appliance insulated foam adhesive tape for high temperature and preparation method thereof |
| CN103059758B (en) * | 2012-12-18 | 2014-09-03 | 苏州斯迪克新材料科技股份有限公司 | Heat conducting adhesive tape for electronic device and preparation method thereof |
| CN104152072B (en) * | 2012-12-18 | 2016-07-06 | 苏州斯迪克新材料科技股份有限公司 | The preparation technology of high reliability heat conduction adhesive tape |
| CN109796900A (en) * | 2018-12-28 | 2019-05-24 | 新纶科技（常州）有限公司 | A kind of height is viscous without base material adhesive tape preparation method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3331729A (en) * | 1963-02-14 | 1967-07-18 | Minnesota Mining & Mfg | Adhesive bonding method and product |
| EP0315072A2 (en) * | 1987-10-31 | 1989-05-10 | Nippon Carbide Kogyo Kabushiki Kaisha | Pressure-sensitive adhesive layer |
| WO2002034855A1 (en) * | 2000-10-25 | 2002-05-02 | 3M Innovative Properties Company | Fluid-activatable adhesive articles and methods |
| CN101275059A (en) * | 2007-03-28 | 2008-10-01 | 刘萍 | Heat-resistant strippable micro-viscous pressure-sensitive adhesive film and preparation thereof |
-
2011
- 2011-11-17 CN CN201110364736.3A patent/CN102504712B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3331729A (en) * | 1963-02-14 | 1967-07-18 | Minnesota Mining & Mfg | Adhesive bonding method and product |
| EP0315072A2 (en) * | 1987-10-31 | 1989-05-10 | Nippon Carbide Kogyo Kabushiki Kaisha | Pressure-sensitive adhesive layer |
| WO2002034855A1 (en) * | 2000-10-25 | 2002-05-02 | 3M Innovative Properties Company | Fluid-activatable adhesive articles and methods |
| CN101275059A (en) * | 2007-03-28 | 2008-10-01 | 刘萍 | Heat-resistant strippable micro-viscous pressure-sensitive adhesive film and preparation thereof |
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| CN102504712A (en) | 2012-06-20 |
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| C10 | Entry into substantive examination | ||
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| C14 | Grant of patent or utility model | ||
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Owner name: BEIJING TIANSHAN NEW MATERIAL TECHNOLOGY CO., LTD. Free format text: FORMER NAME: BEIJING TONSAN ADHESIVE CO., LTD. |
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| CP03 | Change of name, title or address |
Address after: 100041 Beijing City, Shijingshan District Badachu high tech Park Park Road No. 5 Patentee after: BEIJING TIANSHAN NEW MATERIAL TECHNOLOGY CO., LTD. Address before: 100041, No. 7 middle Garden Road, Badachu hi tech park, Beijing, Shijingshan District Patentee before: Beijing TONSAN Adhesive Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140604 Termination date: 20191117 |