CN204569798U - A kind of high temperature pyrolysis glues pressure-sensitive adhesive protective film - Google Patents
A kind of high temperature pyrolysis glues pressure-sensitive adhesive protective film Download PDFInfo
- Publication number
- CN204569798U CN204569798U CN201420842570.0U CN201420842570U CN204569798U CN 204569798 U CN204569798 U CN 204569798U CN 201420842570 U CN201420842570 U CN 201420842570U CN 204569798 U CN204569798 U CN 204569798U
- Authority
- CN
- China
- Prior art keywords
- sensitive adhesive
- film
- high temperature
- pressure
- pressure sensitive
- 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.)
- Expired - Fee Related
Links
Landscapes
- Adhesives Or Adhesive Processes (AREA)
- Adhesive Tapes (AREA)
Abstract
A kind of high temperature pyrolysis that the utility model provides glues pressure-sensitive adhesive protective film, comprise former film and release film, described former film adopts polyester film, former film is the antistatic former film of external coating (EC) type, the two-layer up and down of polyester film all scribbles external coating (EC), the thickness of external coating (EC) is 1-5um, for high temperature pyrolysis glues pressure-sensitive adhesive layer between former film and release film, adhesive layer is coated on polyester film, microsphere expansion agent is added with in the pressure sensitive adhesive of adhesive layer, the utility model Selection utilization swelling agent realizes pyrolysis and glues this design of pressure sensitive adhesive, for overcoming the condition that pressure sensitive adhesive can at high temperature use, we break through tradition oppositely to think deeply, develop pyrolysis and glue pressure sensitive adhesive-a kind of pressure sensitive adhesive that even lose stickiness in chance high temperature meeting automatic reduction stickiness, solve the cull problem of pressure sensitive adhesive under high temperature application.
Description
Technical field
The present invention relates to a kind of polymer protective film, particularly relate to a kind of high temperature pyrolysis and glue pressure-sensitive adhesive protective film.
Background technology
In the procedure for producing of electronic product, protective membrane is indispensable, the main function of protective membrane is that product surface is protected, but changeable condition and application in processing procedure, the service requirements of protective membrane is also more and more harsh, wherein modal requirement is high temperature resistant protection and does not stay cull, in the process that electronic product is manufactured, have a lot of stage be complete surface treatment or corrode shaping after need through high bake or irradiation, the chemical entities of remained on surface to be volatilized, and relate to and equally also any cull must do not stayed when finally opening by subsides product through the same processing procedure as the protective membrane of surface protection wherein, but traditional protective membrane, colloid is mainly pressure sensitive adhesive, responsive to high temperature, pressure sensitive adhesive is when meeting high temperature, molecular chain starts loosening glue-line and starts softening decomposition, therefore easily cause cull abnormal when being stripped, this is also why most of pressure-sensitive adhesive protective film can explicitly call for client to use at normal temperatures, risk is down to minimum, the structure of traditional pressure-sensitive adhesive protective film is simple, main function is that product surface is protected, cull is not stayed: the suggestion use temperature of general pressure-sensitive adhesive protective film is at normal temperature 23+/-2 ° C during stripping.But the different application in electronic product processing procedure and requirement, may need high temperature resistant to 180 DEG C, the high temperature resistant time from short several seconds to 30Min not etc., under the test of high temperature, the molecular chain of pressure sensitive adhesive is destroyed to be loosened, it is directly cause pressure sensitive adhesive cull risk or residual silkgum content crucial in conjunction with other factors again: (1) adhesion, adhesion low with by pasted surface snap-in force little, cull risk is just low, adhesion is high relative with being pasted surperficial snap-in force large, and strength when uncovering is relatively large, and therefore cull risk can be high; (2) paste area, the snap-in force pasting the little entirety of area can be little, and cull risk when uncovering is just low; The snap-in force pasting the large entirety of area can be large, and strength when uncovering is relatively large, and therefore cull risk can be high.
Summary of the invention
The present invention aims to provide a kind of high temperature pyrolysis and glues pressure-sensitive adhesive protective film.
For realizing above-mentioned technical purpose; the present invention by the following technical solutions; a kind of high temperature pyrolysis glues pressure-sensitive adhesive protective film, comprises former film and release film, and described former film adopts polyester film; former film is the antistatic former film of external coating (EC) type; the two-layer up and down of polyester film all scribbles external coating (EC), and the thickness of external coating (EC) is 1-5um, for high temperature pyrolysis glues pressure-sensitive adhesive layer between former film and release film; adhesive layer is coated on polyester film, is added with microsphere expansion agent in the pressure sensitive adhesive of adhesive layer.
As preferably, the thickness of described pressure-sensitive adhesive layer is 10 microns-30 microns.
As preferably, the microsphere expansion agent added in pressure sensitive adhesive is thousand order level powder.
Beneficial effect of the present invention is: 1) for overcoming the condition that pressure sensitive adhesive can at high temperature use, we break through tradition oppositely to think deeply, develop pyrolysis and glue pressure sensitive adhesive-a kind of pressure sensitive adhesive that even lose stickiness in chance high temperature meeting automatic reduction stickiness, solve the cull problem of pressure sensitive adhesive under high temperature is applied; 2) Selection utilization swelling agent realize pyrolysis glue pressure sensitive adhesive this design.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure: 1, former film; 2, external coating (EC); 3, high temperature pyrolysis glues pressure-sensitive adhesive layer; 4, release film.
Embodiment
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the present invention, and can not limitation of the present invention being interpreted as.
In describing the invention, unless otherwise prescribed and limit, it should be noted that, term " installation ", " being connected ", " connection " should be interpreted broadly, such as, can be mechanical connection or electrical connection, also can be the connection of two element internals, can be directly be connected, also indirectly can be connected by intermediary.For the ordinary skill in the art, the concrete meaning of above-mentioned term can be understood as the case may be.
A kind of high temperature pyrolysis glues pressure-sensitive adhesive protective film, comprise former film 1 and release film 4, described former film 1 adopts polyester film, it is high temperature resistantly to apply that pressure-sensitive adhesive protective film design itself is glued in this kind of pyrolysis, therefore the former film 1 selected also must have outstanding heat resistance, the general use temperature of polyester film can reach 120 ° of C, can control TD <0.5% in ASTM D1204 thermal contraction test (150 ° of C x30min), MD <1.5%, polyester film and pyrolysis is selected to glue pressure sensitive adhesive as collocation, can guarantee in application process, former film 1 can not Yin Gaowen and have contraction, modification, the unusual phenomenon such as curling, former film 1 is the antistatic former film of external coating (EC) type, the two-layer up and down of polyester film all scribbles external coating (EC) 2, the thickness of external coating (EC) 2 is 1-5um, the antistatic pattern of former film is transferred to external coating (EC) formula from interior adding type, former film has certain penetration coefficient unlike traditional, the conductive resistance of former film is also promoted to 10^6 ~ 10^9 from traditional 10^10 ~ 10^11, and because coating is very thin, metal additive is uniformly dispersed, form good conductive mesh, make surface resistivity also highly stable, for high temperature pyrolysis glues pressure-sensitive adhesive layer 3 between former film 1 and release film 4, adhesive layer 3 is coated on polyester film, microsphere expansion agent is added with in the pressure sensitive adhesive of adhesive layer 3, microsphere expansion agent is a kind of sparklet, when running into high temperature, molecule can start foaming and intumescing extruding and then destroy the molecular chain structure of pressure sensitive adhesive, pressure sensitive adhesive is made to lose adhesion completely, the blowing temperature of dissimilar swelling agent is different, microsphere expansion agent makes thousand order level powder through processing grinding before use, be convenient to dissolve and guarantee disperse homogeneity, so reach consistent making the foaming that can guarantee everywhere after pressure-sensitive adhesive protective film is glued in pyrolysis and separate sticky effect.
As preferably, the thickness of described pressure-sensitive adhesive layer is 10 microns-30 microns.
As preferably, the swelling agent added in pressure sensitive adhesive is thousand order level swelling agents.
Beneficial effect of the present invention is to overcome the condition that pressure sensitive adhesive can at high temperature use, we break through tradition oppositely to think deeply, develop pyrolysis and glue pressure sensitive adhesive-a kind of pressure sensitive adhesive that even lose stickiness in chance high temperature meeting automatic reduction stickiness, solve the cull problem of pressure sensitive adhesive under high temperature application, Selection utilization microsphere expansion of the present invention agent realizes pyrolysis and glues this design of pressure sensitive adhesive, microsphere expansion agent is a kind of sparklet, when running into high temperature, molecule can start foaming and intumescing extruding and then destroy the molecular chain structure of pressure sensitive adhesive, pressure sensitive adhesive is made to lose adhesion completely, swelling agent makes thousand order level powder through processing grinding before use, be convenient to dissolve and guarantee disperse homogeneity, so reach consistent making the foaming that can guarantee everywhere after pressure-sensitive adhesive protective film is glued in pyrolysis and separate sticky effect, the film that the present invention simultaneously selects has outstanding heat resistance, the general use temperature of polyester film can reach 120 ° of C, can control TD <0.5% in ASTM D1204 thermal contraction test (150 ° of C x30min), MD <1.5%, polyester film and pyrolysis is selected to glue pressure sensitive adhesive as collocation, can guarantee in application process, former film can not Yin Gaowen and have contraction, modification, the unusual phenomenon such as curling.
In the description of this specification sheets, specific features, structure, material or feature that the description of reference term " embodiment ", " example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although illustrate and describe embodiments of the invention, those having ordinary skill in the art will appreciate that: can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present invention and aim, scope of the present invention is by claim and equivalents thereof.
Claims (4)
1. a high temperature pyrolysis glues pressure-sensitive adhesive protective film; comprise former film and release film; it is characterized in that; described former film adopts polyester film, and former film is the antistatic former film of external coating (EC) type, and the two-layer up and down of polyester film all scribbles external coating (EC); the thickness of external coating (EC) is 1-5um; for high temperature pyrolysis glues pressure-sensitive adhesive layer between former film and release film, adhesive layer is coated on polyester film, is added with microsphere expansion agent in the pressure sensitive adhesive of adhesive layer.
2. protective membrane according to claim 1, is characterized in that, the microsphere expansion agent added in pressure sensitive adhesive is thousand order level powder.
3. protective membrane according to claim 1, is characterized in that, the thickness of described pressure-sensitive adhesive layer is 10 microns-30 microns.
4. protective membrane according to claim 1, is characterized in that, described antistatic backing thickness is 2-5 micron.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420842570.0U CN204569798U (en) | 2014-12-28 | 2014-12-28 | A kind of high temperature pyrolysis glues pressure-sensitive adhesive protective film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420842570.0U CN204569798U (en) | 2014-12-28 | 2014-12-28 | A kind of high temperature pyrolysis glues pressure-sensitive adhesive protective film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204569798U true CN204569798U (en) | 2015-08-19 |
Family
ID=53862468
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420842570.0U Expired - Fee Related CN204569798U (en) | 2014-12-28 | 2014-12-28 | A kind of high temperature pyrolysis glues pressure-sensitive adhesive protective film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204569798U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9991478B2 (en) | 2015-03-31 | 2018-06-05 | Industrial Technology Research Institute | Methods for fabricating an organic electro-luminescence device and flexible electric device |
-
2014
- 2014-12-28 CN CN201420842570.0U patent/CN204569798U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9991478B2 (en) | 2015-03-31 | 2018-06-05 | Industrial Technology Research Institute | Methods for fabricating an organic electro-luminescence device and flexible electric device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105131869A (en) | Thermal viscosity loss pressure-sensitive adhesive, thermally peelable adhesive tape and preparation methods of thermal viscosity loss pressure-sensitive adhesive and thermally peelable adhesive tape | |
| WO2014008813A1 (en) | Releasing film with light releasing force and manufacture method of releasing film | |
| CN110628355A (en) | Double-sided mucosa reducing film and preparation method thereof | |
| JP6388025B2 (en) | Double-sided adhesive sheet and optical member | |
| JP4635421B2 (en) | Conductive film for transfer and method for forming transparent conductive film using the same | |
| CN108219704A (en) | A kind of preparation method of the extremely light release film of off-type force | |
| CN204569798U (en) | A kind of high temperature pyrolysis glues pressure-sensitive adhesive protective film | |
| CN105368335A (en) | Surface protective film for transparent conductive membrane and transparent conductive membrane using same | |
| JP4666961B2 (en) | Object provided with transparent conductive layer, and conductive film for transfer | |
| CN110591582A (en) | Process film production method for OLED module manufacturing process easy to tear off after UV and product thereof | |
| CN106566062B (en) | A kind of material and manufacturing method for removing the filth of room temperature vulcanized RTV coating surface | |
| CN203831865U (en) | Flame-retardant antistatic release film | |
| TWI682980B (en) | Adhesive composition and film package | |
| KR20210056593A (en) | Release film for ultra-light release | |
| CN206721083U (en) | A kind of heat preservation plate material containing pre-coating film packaging of aluminizing | |
| CN110684483A (en) | Temperature-change type flame-retardant pressure-sensitive adhesive tape and preparation method thereof | |
| CN104952702A (en) | Semiconductor device and manufacturing method thereof | |
| CN206337212U (en) | A kind of two-sided antistatic protection film | |
| KR20170042651A (en) | Adhesive tapes and heat spreader assemblies | |
| CN203805421U (en) | Easily peeled high-transmittance glass film | |
| CN103923577B (en) | It is applicable to high temperature resistant protective membrane and its preparation method of non-ITO conducting film | |
| KR20120058970A (en) | Preparing method of surface protective film | |
| CN203805417U (en) | Protective film for easy-peel glass | |
| CN103781871B (en) | Antifrosting coating composition | |
| CN207091338U (en) | A kind of antistatic high temperature resistant diaphragm |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150819 Termination date: 20171228 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |