CN108504296A - A kind of double faced adhesive tape and preparation method thereof for touch screen - Google Patents
A kind of double faced adhesive tape and preparation method thereof for touch screen Download PDFInfo
- Publication number
- CN108504296A CN108504296A CN201810299282.8A CN201810299282A CN108504296A CN 108504296 A CN108504296 A CN 108504296A CN 201810299282 A CN201810299282 A CN 201810299282A CN 108504296 A CN108504296 A CN 108504296A
- Authority
- CN
- China
- Prior art keywords
- bonding agents
- layer
- particle
- agents layer
- adhesive tape
- 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.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/20—Adhesives in the form of films or foils characterised by their carriers
- C09J7/21—Paper; Textile fabrics
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/30—Adhesives in the form of films or foils characterised by the adhesive composition
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2301/00—Additional features of adhesives in the form of films or foils
- C09J2301/10—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet
- C09J2301/12—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers
- C09J2301/124—Additional features of adhesives in the form of films or foils characterized by the structural features of the adhesive tape or sheet by the arrangement of layers the adhesive layer being present on both sides of the carrier, e.g. double-sided adhesive tape
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Adhesive Tapes (AREA)
Abstract
The invention discloses a kind of double faced adhesive tapes for touch screen, the double faced adhesive tape includes the first release film, first bonding agents layer, substrate layer, second bonding agents layer and the second release film successively from top to bottom, the first bonding agents layer includes bonding agent and macromolecule foaming particle, the substrate layer is rigid layer, the second bonding agents layer includes bonding agent and flexible particle, the percent by volume of macromolecule foaming particle is 1 10% in the first bonding agents layer, and the percent by volume of flexible particle is 1 10% in the second bonding agents layer.
Description
Technical field
The present invention relates to a kind of double faced adhesive tape, it is more particularly to a kind of double faced adhesive tape for touch screen and its preparation side
Method.
Background technology
In the production process of the electronic products such as mobile phone, computer, need by adhesive to paste touch screen on shell,
In recent years, with the development of the high-performance of electronic equipment and quality version, more preferably there is the electricity of very thin frame
Sub- equipment, it is therefore desirable to which preparing has the double faced adhesive tape of narrow width that tempered glass is Nian Jie with touch panel, in order to adapt to this skill
Art needs, by being realized by the basis material comprising rigid membranous type in the laminate structures of double faced adhesive tape.
This double faced adhesive tape containing rigid membranous type is deteriorated due to the rigidity of membranous type basis material when in use, especially
When touch screen receives external impacts, double faced adhesive tape is unable to shock absorbing since rigidity is too big, leads to adhesive failure, touch screen
It falls off with tempered glass.
Invention content
Caused by the double faced adhesive tape how reduced using rigid matrix material
Shock resistance is poor, easy to fall off.
The present invention is to solve above-mentioned technical problem by the following technical programs：
A kind of double faced adhesive tape for touch screen includes the first release film, first bonding agents layer, base material successively from top to bottom
Layer, second bonding agents layer and the second release film, the first bonding agents layer include bonding agent and macromolecule foaming particle, described
Substrate layer is rigid layer, and the second bonding agents layer includes bonding agent and flexible particle, macromolecule in the first bonding agents layer
The percent by volume of expanded particle is 1-10%, and the percent by volume of flexible particle is 1-10% in the second bonding agents layer.
Further, the thickness of the rigid layer is 100-300 μm, porosity 50-80%.
Further, the rigid layer is carbon cloth or glass fabric.
Further, macromolecule foaming average particle size is 10-15 μm in the first bonding agents layer, density 10g/
L~450g/L, percent by volume 2-8%.
Further, macromolecule foaming average particle size is 12.5 μm in the first bonding agents layer, density 200g/
L, percent by volume 5%.
Further, the macromolecule foaming particle is polypropylene foamed particles, thermoplastic polyurethane foam particle or poly-
Propylene expanded particle.
Further, the average grain diameter of flexible particle is 5-20 μm in the first bonding agents layer, pliability≤15MPa,
Percent by volume is 2-8%.
Further, the average grain diameter of flexible particle is 15 μm in the first bonding agents layer, pliability≤10MPa, body
Product percentage is 5%.
Further, the flexible particle is Vinalac 5920 particle, polyurethane particles, nylon particle, fourth
It is one or more in nitrile rubber particle.
The present invention also protects a kind of preparation method of the double faced adhesive tape for touch screen, which is characterized in that including
Following steps：
S1, bonding agent is uniformly mixed with macromolecule foaming particle, flexible particle respectively by volume proportion, it is viscous forms first
Connect oxidant layer glue and second bonding agents layer glue；
S2, substrate layer is installed to substrate layer let off roll, respectively by first bonding agents layer glue and second bonding agents layer
Corresponding knife type coater is added with glue, the first release film, the second release film are installed to release film let off roll respectively；
S3, start all devices, knife type coater is coated with first bonding agents layer glue in the two sides of substrate layer respectively
With second bonding agents layer glue, control bondline thickness is 0.03-0.08mm, and substrate layer is then sent into drying unit, is removed
Solvent in bonding agent forms first bonding agents layer and second bonding agents layer, and first bonding agents layer, second bonding agents layer is divided
It is not bonded with the first release film and the second release film；
S4, it S3 products obtained therefroms is sent to wrap-up winds to get finished product.
The present invention has the following advantages compared with prior art：
On the basis of using rigid layer as substrate layer, macromolecule foaming particle is added in first bonding agents layer, has
Good buffering effect weakens impact of the external force to rigid layer, meanwhile, flexible particle is added in second bonding agents layer, very well
Buffering reaction force, prevent secondary pulse of the reaction force to rigid layer, obtain better adhesive effect.
Description of the drawings
Fig. 1 is a kind of double-faced adhesive tape structure schematic diagram for touch screen of the embodiment of the present invention 1；
Fig. 2 is a kind of double-faced adhesive tape structure schematic diagram for touch screen of the embodiment of the present invention 2.
Wherein：1, the first release film；2, first bonding agents layer；21, bonding agent；22, thermoplastic polyurethane foam particle；3、
Carbon cloth；4, second bonding agents layer；42, polyurethane particles；5, the second release film；6, glass fabric.
Specific implementation mode
It elaborates below to the embodiment of the present invention, the present embodiment is carried out lower based on the technical solution of the present invention
Implement, gives detailed embodiment and specific operating process, but protection scope of the present invention is not limited to following implementation
Example.
A kind of double faced adhesive tape for touch screen of embodiment 1
Its structure as shown in Figure 1, be followed successively by from top to bottom：First release film 1, first bonding agents layer 2, carbon cloth 3,
Two adhesive layers 4 and the second release film 5.
The thickness of the carbon cloth 3 is 200 μm, porosity 65%, and 2 thickness of first bonding agents layer is
0.05mm, including bonding agent 21 and thermoplastic polyurethane foam particle 22, thermoplastic polyurethane foam particle 22 is averaged
Grain size is 12.5 μm, density 200g/L, and the percent by volume in first bonding agents layer 2 is 5%.
4 thickness of second bonding agents layer is 0.05mm, including bonding agent 21 and polyurethane particles 42, polyurethane grain
The average grain diameter of son 42 is 15 μm, pliability≤10Mpa, and the percent by volume in second bonding agents layer 4 is 5%.
The double faced adhesive tape of the present embodiment is prepared by following steps：
S1, bonding agent 21 is mixed with thermoplastic polyurethane foam particle 22, polyurethane particles 42 respectively by volume proportion
Uniformly, first bonding agents layer glue and second bonding agents layer glue are formed；
S2, carbon cloth 3 is installed to substrate layer let off roll, respectively by first bonding agents layer glue and second bonding agents
Corresponding knife type coater is added with glue in layer, and the first release film 1, the second release film 5 are installed to release film let off roll respectively；
S3, start all devices, knife type coater is coated with first bonding agents layer glue in the two sides of carbon cloth 3 respectively
Carbon cloth 3 is then sent into drying unit by liquid and second bonding agents layer glue, removes the solvent in bonding agent 21, is formed
First bonding agents layer 2 and second bonding agents layer 4, and by first bonding agents layer 2, second bonding agents layer 4 respectively with the first release film 1
It is bonded with the second release film 5；
S4, it S3 products obtained therefroms is sent to wrap-up winds to get finished product.
A kind of double faced adhesive tape for touch screen of embodiment 2
Its structure as shown in Fig. 2, be followed successively by from top to bottom：First release film 1, first bonding agents layer 2, glass fabric 6,
Second bonding agents layer 4 and the second release film 5.
2 thickness of first bonding agents layer is 0.05mm, including bonding agent 21 and thermoplastic polyurethane foam particle
22, the average grain diameter of thermoplastic polyurethane foam particle 22 is 12.5 μm, density 200g/L, in first bonding agents layer 2
Percent by volume be 5%.
4 thickness of second bonding agents layer is 0.05mm, including bonding agent 21 and polyurethane particles 42, polyurethane grain
The average grain diameter of son 42 is 15 μm, pliability≤10Mpa, and the percent by volume in second bonding agents layer 4 is 5%.
The double faced adhesive tape of the present embodiment is prepared by following steps：
S1, bonding agent 21 is mixed with thermoplastic polyurethane foam particle 22, polyurethane particles 42 respectively by volume proportion
Uniformly, first bonding agents layer glue and second bonding agents layer glue are formed；
S2, glass fabric 6 is installed to substrate layer let off roll, is respectively bonded first bonding agents layer glue and second
Corresponding knife type coater is added with glue in oxidant layer, and the first release film 1, the second release film 5 are installed to release film and are unreeled respectively
Roller；
S3, start all devices, knife type coater respectively use in the two sides of glass fabric 6 by coating first bonding agents layer
Glass fabric 6 is then sent into drying unit by glue and second bonding agents layer glue, removes the solvent in bonding agent 21,
Form first bonding agents layer 2 and second bonding agents layer 4, and by first bonding agents layer 2, second bonding agents layer 4 respectively with first from
Type film 1 and the fitting of the second release film 5；
S4, it S3 products obtained therefroms is sent to wrap-up winds to get finished product.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement etc., should all be included in the protection scope of the present invention made by within refreshing and principle.
Claims (10)
1. a kind of double faced adhesive tape for touch screen, which is characterized in that include the first release film, the first bonding successively from top to bottom
Oxidant layer, substrate layer, second bonding agents layer and the second release film, the first bonding agents layer includes bonding agent and macromolecule foaming
Particle, the substrate layer are rigid layer, and the second bonding agents layer includes bonding agent and flexible particle, the first bonding agents layer
The percent by volume of middle macromolecule foaming particle is 1-10%, and the percent by volume of flexible particle is in the second bonding agents layer
1-10%.
2. according to a kind of double faced adhesive tape for touch screen described in claim 1, which is characterized in that the thickness of the rigid layer is
100-300 μm, porosity 50-80%.
3. according to a kind of double faced adhesive tape for touch screen as claimed in claim 1 or 2, which is characterized in that the rigid layer is carbon
Fiber cloth or glass fabric.
4. a kind of double faced adhesive tape for touch screen according to claim 1, which is characterized in that the first bonding agents layer
Middle macromolecule foaming average particle size is 10-15 μm, and density is 10g/L~450g/L, percent by volume 2-8%.
5. a kind of double faced adhesive tape for touch screen according to claim 1, which is characterized in that the first bonding agents layer
Middle macromolecule foaming average particle size is 12.5 μm, density 200g/L, percent by volume 5%.
6. according to a kind of double faced adhesive tape for touch screen described in claim 1 or 4 or 5, which is characterized in that the macromolecule
Expanded particle is polypropylene foamed particles, thermoplastic polyurethane foam particle or polypropylene foamed particles.
7. a kind of double faced adhesive tape for touch screen according to claim 1, which is characterized in that the first bonding agents layer
The average grain diameter of middle flexibility particle is 5-20 μm, pliability≤15MPa, percent by volume 2-8%.
8. a kind of double faced adhesive tape for touch screen according to claim 1, which is characterized in that the first bonding agents layer
The average grain diameter of middle flexibility particle is 15 μm, pliability≤10MPa, percent by volume 5%.
9. according to a kind of double faced adhesive tape for touch screen described in claim 1 or 7 or 8, which is characterized in that the flexibility grain
Son is one or more in Vinalac 5920 particle, polyurethane particles, nylon particle, nitrile rubber particle.
10. a kind of preparation method of double faced adhesive tape for touch screen as described in claim 1 to 9 is any, which is characterized in that
Include the following steps：
S1, bonding agent is uniformly mixed with macromolecule foaming particle, flexible particle respectively by volume proportion, forms first bonding agents
Layer glue and second bonding agents layer glue；
S2, substrate layer is installed to substrate layer let off roll, respectively by first bonding agents layer glue and second bonding agents layer glue
Corresponding knife type coater is added in liquid, and the first release film, the second release film are installed to release film let off roll respectively；
S3, start all devices, knife type coater is coated with first bonding agents layer glue and the in the two sides of substrate layer respectively
Two adhesive layer glues, control bondline thickness are 0.03-0.08mm, and substrate layer is then sent into drying unit, removes bonding
Solvent in agent, forms first bonding agents layer and second bonding agents layer, and by first bonding agents layer, second bonding agents layer respectively with
First release film and the fitting of the second release film；
S4, it S3 products obtained therefroms is sent to wrap-up winds to get finished product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810299282.8A CN108504296A (en) | 2018-04-04 | 2018-04-04 | A kind of double faced adhesive tape and preparation method thereof for touch screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810299282.8A CN108504296A (en) | 2018-04-04 | 2018-04-04 | A kind of double faced adhesive tape and preparation method thereof for touch screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108504296A true CN108504296A (en) | 2018-09-07 |
Family
ID=63380635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810299282.8A Pending CN108504296A (en) | 2018-04-04 | 2018-04-04 | A kind of double faced adhesive tape and preparation method thereof for touch screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108504296A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104231949A (en) * | 2013-06-20 | 2014-12-24 | 鸿富锦精密工业（深圳）有限公司 | Adhesive tape |
| CN106068315A (en) * | 2014-03-05 | 2016-11-02 | 迪睿合株式会社 | Two-sided black belt |
| CN107709491A (en) * | 2015-03-24 | 2018-02-16 | 迪睿合株式会社 | Double-face adhesive tape and its manufacture method |
-
2018
- 2018-04-04 CN CN201810299282.8A patent/CN108504296A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104231949A (en) * | 2013-06-20 | 2014-12-24 | 鸿富锦精密工业（深圳）有限公司 | Adhesive tape |
| CN106068315A (en) * | 2014-03-05 | 2016-11-02 | 迪睿合株式会社 | Two-sided black belt |
| CN107709491A (en) * | 2015-03-24 | 2018-02-16 | 迪睿合株式会社 | Double-face adhesive tape and its manufacture method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107815259A (en) | A kind of compound foam heavy industry adhesive tape and preparation method thereof | |
| CN106133090B (en) | The waterproof adhesive tape and preparation method thereof that close property is improved | |
| JP2017506683A (en) | Double-sided adhesive tape, production method, method of use, and article assembled thereby | |
| CN205662487U (en) | Buffer foam sticky tape | |
| JP2009007532A (en) | Hot melt adhesive sheet and method for producing hot melt adhesive sheet | |
| TWI490307B (en) | Adhesive tape and electronic equipment | |
| TWI739833B (en) | Adhesive sheet and manufacturing method of adhered volume layer | |
| US20180117885A1 (en) | Double-sided adhesive tape for display and manufacturing method therefor | |
| CN111607335A (en) | Electromagnetic shielding adhesive tape | |
| CN110835503B (en) | Foaming pressure-sensitive adhesive tape and preparation method thereof | |
| CN108504296A (en) | A kind of double faced adhesive tape and preparation method thereof for touch screen | |
| JP2013122059A (en) | Hot melt adhesive sheet | |
| JP5576137B2 (en) | Adhesive sheet and method for producing the same | |
| KR101562521B1 (en) | Thin electro-conductive gasket having an excellent restoring force | |
| JP6183666B2 (en) | Adsorption sheet manufacturing method and adsorption sheet | |
| CN108034382B (en) | Water-blocking foam adhesive tape, preparation method thereof and electronic equipment | |
| JP2018170393A (en) | Electromagnetic wave shielding film, and electronic component-mounted substrate | |
| CN207210313U (en) | A kind of high-performance refractory protects membrane adhesive tape | |
| TWI666120B (en) | Rubber composite structure and method for manufacturing the same | |
| CN112126367A (en) | Foam adhesive tape | |
| US10400141B2 (en) | Conductive adhesive tape using compressible conductive powder and manufacturing method thereof | |
| CN213060723U (en) | Polyurethane foaming double faced adhesive tape | |
| CN105754508A (en) | High-watertightness solar module edge-sealing adhesive tape | |
| JP2012223856A (en) | Backing material | |
| KR20190076942A (en) | Adhesive Tape for Shielding Electromagnetic Wave and Manufacturing Method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180907 |