CN107561027A - In PI films in NMP content detection devices and PI films NMP contents detection method - Google Patents
In PI films in NMP content detection devices and PI films NMP contents detection method Download PDFInfo
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- CN107561027A CN107561027A CN201710563193.5A CN201710563193A CN107561027A CN 107561027 A CN107561027 A CN 107561027A CN 201710563193 A CN201710563193 A CN 201710563193A CN 107561027 A CN107561027 A CN 107561027A
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- nmp
- ultraviolet light
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Abstract
The present invention provides a kind of detection method of NMP contents in NMP content detection devices and PI films in PI films.NMP content detection devices in the PI films of the present invention, the ultraviolet spectrum before and after by PI films sent by comparing ultraviolet lamp, complete the judgement of NMP contents in PI films, it is simple in construction, convenient installation, the content of NMP in PI films can be quickly and accurately detected on line, and then can effectively analyze the polyimides amination degree of PI films, completes the judgement to PI film qualities；The detection method of NMP contents in the PI films of the present invention, detected using NMP content detection devices in above-mentioned PI films, the content of NMP in PI films can be quickly and accurately detected on line, and then can effectively analyze the polyimides amination degree of PI films, completes the judgement to PI film qualities.
Description
Technical field
The present invention relates in NMP content detection devices in display panel production field, more particularly to a kind of PI films and PI films
The detection method of NMP contents.
Background technology
Flexible Displays (Flexible Display) technology has development by leaps and bounds in last decade, thus drives Flexible Displays
Quality of the device from the size of screen to display all has made great progress.Flexible display is also known as rollable display, is to use
The bending deformed display device that flexible material is made visual flexible panel and formed.Compared with common rigid display,
Flexible display has many advantages, such as：Impact resistance, shock resistance are stronger；In light weight, small volume, it is more convenient to carry；Using class
It is similar to the roll-to-roll process of newspaper printing technique, cost is cheaper etc..
Flexible base board is the important component of whole flexible display, quality and longevity of its performance for flexible display
Life is respectively provided with important influence.At present, ultra-thin glass, metal foil or thin polymer film can be included as the material of flexible base board.
Thin polymer film can be polyethylene terephthalate, PEN, makrolon, cyclic polyolefin,
Polyether sulfone and polyimides (polyimide, PI) etc..Wherein, polyimide substrate is with its excellent high-temperature stability, good
Mechanical property and excellent chemical-resistant stability and receive much concern.
Polyimide substrate is coated in glass using glass as substrate, by polyimide solution or its presoma polyamic acid solution
On glass substrate, Kapton then is obtained by solidification, then carries out display medium, water oxygen on Kapton surface
The assembling of screen layer and encapsulated layer, the device of making is finally removed into glass substrate by laser lift-off (LLO), so as to
Obtain the display using Kapton as flexible base board.
At present, the method for polyimide film being made in producing line is broadly divided into two chemical processes to carry out, first, polyamides
Amino acid reacts, its chemical equation such as following formula 1：
Second, imidization reaction, its chemical equation such as following formula 2：
In manufacturing process, if process conditions are not up to standard, heating (Heating) firm time temperature deficiency, Bian Huizao
Not thorough into imidization reaction, extent of polymerization is inadequate, the organic solvent 1-METHYLPYRROLIDONE containing residual in output object
(NMP), output object is polyimides and NMP mixture, so as to cause film layer bad.Therefore by testing NMP in PI film layers
Content, can judge polyamic acid aminating reaction degree, analyze polyimides amination degree, and then judge the product of PI film layers
Matter.
The content of the invention
Simple in construction it is an object of the invention to provide NMP content detection devices in a kind of PI films, convenient installation can be fast
The content of NMP in PI films is detected on fast, accurate ground wire, and then can effectively analyze the polyimides amination degree of PI films, it is complete
The judgement of paired PI film qualities.
The present invention also aims to provide a kind of detection method of NMP contents in PI films, using NMP in above-mentioned PI films
Content detection device is detected, and the content of NMP in PI films can be quickly and accurately detected on line, and then can effectively be analyzed
The polyimides amination degree of PI films, completes the judgement to PI film qualities.
To achieve the above object, the present invention provides NMP content detection devices in a kind of PI films, including：
For carrying and transmitting the transfer member of PI films, the transfer member has the loading end for being used for carrying PI films；
The ultraviolet lamp being parallelly mounted to above the loading end of the transfer member；
The first ultraviolet light detector of the ultraviolet lamp side is installed on, first ultraviolet light detector is received from purple
The ultraviolet spectrum signal without PI films that outer smooth lamp is sent, the ultraviolet spectrum signal definition are believed for initial ultraviolet spectrum
Number；
The first processing units being connected with first ultraviolet light detector, the first processing units receive described the
The initial ultraviolet light spectral signal of one ultraviolet light detector transmission is simultaneously handled, and the initial ultraviolet light spectral signal is converted to
Ultraviolet spectrum image, the ultraviolet spectrum image definition are initial ultraviolet light spectrum picture；
Multiple second ultraviolet light detectors being installed on side by side below the transfer member and ultraviolet lamp, the multiple
Two ultraviolet light detectors receive the ultraviolet spectrum signal after PI films sent from ultraviolet lamp, the ultraviolet spectrum signal
It is defined as wearing ultraviolet spectrum signal after film；
The second processing unit being connected with the multiple second ultraviolet light detector, the second processing unit receive
The multiple second ultraviolet light detector transmission is worn ultraviolet spectrum signal after film and handled, and this is worn into ultraviolet light after film
Spectral signal is converted to ultraviolet spectrum image, and the ultraviolet spectrum image definition is to wear ultraviolet spectrum image after film；
The PC being connected with the first processing units and second processing unit, the PC are single by the described first processing
Member send initial ultraviolet light spectrum picture and the second processing unit send wear film after ultraviolet spectrum image divided
Analysis, draws testing result and is shown.
The wavelength for the ultraviolet light that the ultraviolet lamp is sent is 190-200nm.
The transfer member includes transmission wheel that is multiple arranged side by side and being intervally arranged, and every one second ultraviolet light detector is corresponding
It is arranged at the lower section in space between adjacent two transmission wheel.
The multiple second ultraviolet light detector is uniformly distributed in the lower section of the ultraviolet lamp.
The quantity of second ultraviolet light detector is 3.
NMP content detection devices in described PI films, in addition to be used for located at the transfer member side to the transmission
The drive component that part is driven.
The present invention also provides a kind of detection method of NMP contents in PI films, including：Open NMP contents in above-mentioned PI films
Detection means, PI films to be measured are positioned on transfer member, the transfer member drives PI films below the ultraviolet lamp
Travel forward, the PC shows the testing result to the PI films.
In detection process, the transfer member drives PI film uniform forward motions.
In detection process, it is 0-30m/min that the transfer member, which drives the speed of PI film uniform forward motions,.
The PI films are attached on transparency carrier, and the PI films collectively form detected sample, institute with the transparency carrier
It is glass substrate to state transparency carrier.
Beneficial effects of the present invention：NMP content detection devices in a kind of PI films provided by the invention, by comparing ultraviolet light
The ultraviolet spectrum before and after by PI films that lamp is sent, the judgement of NMP contents in PI films is completed, simple in construction, convenient installation,
The content of NMP in PI films can be quickly and accurately detected on line, and then can effectively analyze the polyimides amination journey of PI films
Degree, completes the judgement to PI film qualities.The detection method of NMP contents in a kind of PI films provided by the invention, using above-mentioned PI
NMP content detection devices are detected in film, and the content of NMP in PI films can be quickly and accurately detected on line, and then can be effective
The polyimides amination degree of PI films is analyzed, completes the judgement to PI film qualities.
In order to be further understood that the feature of the present invention and technology contents, refer to below in connection with the detailed of the present invention
Illustrate and accompanying drawing, however accompanying drawing only provide with reference to and explanation use, be not used for being any limitation as the present invention.
Brief description of the drawings
Below in conjunction with the accompanying drawings, by the way that the embodiment of the present invention is described in detail, technical scheme will be made
And other beneficial effects are apparent.
In accompanying drawing,
Fig. 1 is the structural representation of NMP content detection devices in the PI films of the present invention.
Embodiment
Further to illustrate the technological means and its effect of the invention taken, below in conjunction with being preferable to carry out for the present invention
Example and its accompanying drawing are described in detail.
According to polymer frequency spectrum and organic matter spectrum analysis, polymer polyimide is in ultraviolet (UV) light waves of 190-200nm
The light transmittance of section is almost 100%, and organic matter NMP is almost 100% in the light transmittance of its all band, only in 190-
Extinction phenomenon and frequency spectrum wave crest be present during 200nm ultraviolet light wave band.
Referring to Fig. 1, according to above-mentioned organic matter NMP spectrum and polymer polyimide spectrum in the complete phase of ultraviolet light wave band
Anti- characteristic, present invention firstly provides NMP content detection devices in a kind of PI films, including：
For carrying and transmitting the transfer member 110 of PI films 500, the transfer member 110, which has, to be used to carry PI films 500
Loading end；
The ultraviolet lamp 120 being parallelly mounted to above the loading end of the transfer member 110；
It is installed on the first ultraviolet light detector 130 of the side of ultraviolet lamp 120, first ultraviolet light detector
130 receive the ultraviolet spectrum signal without PI films 500 sent from ultraviolet lamp 120, the ultraviolet spectrum signal definition
For initial ultraviolet light spectral signal；
The first processing units 140 being connected with first ultraviolet light detector 130, the first processing units 140
Receive the initial ultraviolet light spectral signal that first ultraviolet light detector 130 is transmitted and handled, by the initial ultraviolet light
Spectral signal is converted to ultraviolet spectrum image, and the ultraviolet spectrum image definition is initial ultraviolet light spectrum picture；
Multiple second ultraviolet light detectors 150 of the lower section of transfer member 110 and ultraviolet lamp 120 are installed on side by side,
The multiple second ultraviolet light detector 150 receives the letter of the ultraviolet spectrum after PI films 500 sent from ultraviolet lamp 120
Number, the ultraviolet spectrum signal definition is to wear ultraviolet spectrum signal after film；
The second processing unit 160 being connected with the multiple second ultraviolet light detector 150, the second processing list
Ultraviolet spectrum signal and handled after what member 160 received that the multiple second ultraviolet light detector 150 transmits wear film, by this
Ultraviolet spectrum signal is converted to ultraviolet spectrum image after wearing film, and the ultraviolet spectrum image definition is to wear ultraviolet light light after film
Spectrogram picture；
The PC 170 being connected with the first processing units 140 and second processing unit 160, the PC 170 is by institute
State the purple after wearing film that the initial ultraviolet light spectrum picture of the transmission of first processing units 140 and the second processing unit 160 are sent
Outer smooth spectrum picture is analyzed, and is drawn the testing results such as absorption peak position of the PI films 500 to UV light and absorption intensity and is carried out
Display.
Specifically, NMP content detection devices in PI films of the invention, passed through by compare that ultraviolet lamp 120 sends
Ultraviolet spectrum before and after PI films 500, simple in construction to complete the judgement of NMP contents in PI films, convenient installation, and multiple the
Two ultraviolet light detectors 150 are juxtaposed on the lower section of ultraviolet lamp 120, linear uninterrupted detection can be achieved, so as to quick, accurate
The content of NMP in PI films is detected on ground wire, and then not exclusively will according to polyimides amination degree during PI film productions
Principle containing nmp solvent, the polyimides amination degree of PI films can be effectively analyzed, completes the judgement to PI film qualities.
Specifically, the wavelength for the ultraviolet light that the ultraviolet lamp 120 is sent is 190-200nm.
Specifically, the transfer member 110 includes transmission wheel that is multiple arranged side by side and being intervally arranged, and every one second ultraviolet light is visited
The lower section that device 150 is correspondingly arranged in space between adjacent two transmission wheel is surveyed, so that every one second ultraviolet light detector 150
The ultraviolet spectrum signal after PI films 500 sent from ultraviolet lamp 120 can be received.
Specifically, the multiple second ultraviolet light detector 150 is uniformly distributed in the lower section of the ultraviolet lamp 120.
Specifically, the quantity of second ultraviolet light detector 150 is 3.
Specifically, NMP content detection devices also include being used for institute located at the side of transfer member 110 in the PI films
State the drive component (not shown) that transfer member 110 is driven.
Based on NMP content detection devices in above-mentioned PI films, the present invention also provides a kind of detection side of NMP contents in PI films
Method, including：NMP content detection devices in above-mentioned PI films are opened, PI films 500 to be measured are positioned on transfer member 110, institute
Stating transfer member 110 drives PI films 500 to be travelled forward below the ultraviolet lamp 120, i.e., from the lower section of ultraviolet lamp 120
At the uniform velocity flow through, should during, first ultraviolet light detector 130 receive from ultraviolet lamp 120 send without PI films 500
Initial ultraviolet light spectral signal, the first processing units 140 receive first ultraviolet light detector 130 transmit it is initial
Ultraviolet spectrum signal is simultaneously handled, and the initial ultraviolet light spectral signal is converted into initial ultraviolet light spectrum picture；It is described
Second ultraviolet light detector 150 receives the ultraviolet spectrum letter after wearing film after PI films 500 sent from ultraviolet lamp 120
Number, ultraviolet spectrum signal is simultaneously after what second processing unit 160 received that the multiple second ultraviolet light detector 150 transmits wear film
Handled, this is worn into ultraviolet spectrum signal after film be converted to and wear ultraviolet spectrum image after film, the PC 170 will described in
What the initial ultraviolet light spectrum picture and the second processing unit 160 that first processing units 140 are sent were sent wears ultraviolet after film
Light spectrum picture is analyzed, and draws testing result, shows the testing result to the PI films 500.
Specifically, in detection process, the transfer member 110 drives the uniform forward motion of PI films 500.
Specifically, in detection process, it is 0- that the transfer member 110, which drives the speed of the uniform forward motion of PI films 500,
30m/min。
Specifically, the PI films 500 are attached on transparency carrier 510, are collectively formed with the transparency carrier 510 detected
Sample, the transparency carrier 510 are glass substrate.
In summary, NMP content detection devices in a kind of PI films provided by the invention, sent by comparing ultraviolet lamp
By the ultraviolet spectrum before and after PI films, complete the judgement of NMP contents in PI films, simple in construction, convenient installation, can quickly,
The content of NMP in PI films is detected on accurate ground wire, and then can effectively analyze the polyimides amination degree of PI films, completion pair
The judgement of PI film qualities.The detection method of NMP contents in a kind of PI films provided by the invention, is contained using NMP in above-mentioned PI films
Amount detecting device is detected, and the content of NMP in PI films can be quickly and accurately detected on line, and then can effectively analyze PI
The polyimides amination degree of film, completes the judgement to PI film qualities.
It is described above, for the person of ordinary skill of the art, can be with technique according to the invention scheme and technology
Other various corresponding changes and deformation are made in design, and all these changes and deformation should all belong to the claims in the present invention
Protection domain.
Claims (10)
- A kind of 1. NMP content detection devices in PI films, it is characterised in that including：For carrying and transmitting the transfer member (110) of PI films (500), the transfer member (110), which has, to be used to carry PI films (500) loading end；The ultraviolet lamp (120) being parallelly mounted to above the loading end of the transfer member (110)；It is installed on first ultraviolet light detector (130) of the ultraviolet lamp (120) side, first ultraviolet light detector (130) the ultraviolet spectrum signal without PI films (500) sent from ultraviolet lamp (120), ultraviolet spectrum letter are received Number it is defined as initial ultraviolet light spectral signal；The first processing units (140) being connected with first ultraviolet light detector (130), the first processing units (140) receive the initial ultraviolet light spectral signal of the first ultraviolet light detector (130) transmission and handled, this is initial Ultraviolet spectrum signal is converted to ultraviolet spectrum image, and the ultraviolet spectrum image definition is initial ultraviolet light spectrum picture；Multiple second ultraviolet light detectors being installed on side by side below the transfer member (110) and ultraviolet lamp (120) (150), the multiple second ultraviolet light detector (150) receive from ultraviolet lamp (120) send after PI films (500) Ultraviolet spectrum signal, the ultraviolet spectrum signal definition are to wear ultraviolet spectrum signal after film；The second processing unit (160) being connected with the multiple second ultraviolet light detector (150), the second processing list First (160) receive wearing ultraviolet spectrum signal after film and being handled for the multiple second ultraviolet light detector (150) transmission, Ultraviolet spectrum signal is converted to ultraviolet spectrum image after this is worn into film, and the ultraviolet spectrum image definition is ultraviolet after film to wear Light spectrum picture；The PC (170) being connected with the first processing units (140) and second processing unit (160), the PC (170) What the initial ultraviolet light spectrum picture and the second processing unit (160) that the first processing units (140) are sent were sent Ultraviolet spectrum image is analyzed after wearing film, is drawn testing result and is shown.
- 2. NMP content detection devices in PI films as claimed in claim 1, it is characterised in that the ultraviolet lamp (120) sends The wavelength of ultraviolet light be 190-200nm.
- 3. NMP content detection devices in PI films as claimed in claim 1, it is characterised in that the transfer member (110) includes Transmission wheel that is multiple arranged side by side and being intervally arranged, every one second ultraviolet light detector (150) are correspondingly arranged in adjacent two transmission wheel Between space lower section.
- 4. NMP content detection devices in PI films as claimed in claim 1, it is characterised in that the multiple second ultraviolet light is visited Survey the lower section that device (150) is uniformly distributed in the ultraviolet lamp (120).
- 5. NMP content detection devices in PI films as claimed in claim 1, it is characterised in that second ultraviolet light detector (150) quantity is 3.
- 6. NMP content detection devices in PI films as claimed in claim 1, it is characterised in that also include being located at the transport unit Part (110) side is used for the drive component being driven to the transfer member (110).
- A kind of 7. detection method of NMP contents in PI films, it is characterised in that including：Open such as any one of claim 1-6 institutes NMP content detection devices in the PI films stated, PI films (500) to be measured are positioned on the loading end of transfer member (110), it is described Transfer member (110) drives PI films (500) to be travelled forward below the ultraviolet lamp (120), and the PC (170) shows To the testing result of the PI films (500).
- 8. the detection method of NMP contents in PI films as claimed in claim 7, it is characterised in that in detection process, the transmission Part (110) drives PI films (500) uniform forward motion.
- 9. the detection method of NMP contents in PI films as claimed in claim 8, it is characterised in that in detection process, the transmission It is 0-30m/min that part (110), which drives the speed of PI films (500) uniform forward motion,.
- 10. the detection method of NMP contents in PI films as claimed in claim 7, it is characterised in that the PI films (500) attach In on transparency carrier (510), the PI films (500) collectively form detected sample with the transparency carrier (510), described transparent Substrate (510) is glass substrate.
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| CN201710563193.5A CN107561027A (en) | 2017-07-11 | 2017-07-11 | In PI films in NMP content detection devices and PI films NMP contents detection method |
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| CN201710563193.5A CN107561027A (en) | 2017-07-11 | 2017-07-11 | In PI films in NMP content detection devices and PI films NMP contents detection method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110118737A (en) * | 2018-02-05 | 2019-08-13 | 康代有限公司 | Check the object including light-sensitive polyimide layer |
| CN110132870A (en) * | 2019-04-30 | 2019-08-16 | 聊城鲁西聚碳酸酯有限公司 | A kind of analysis method of polycarbonate middle-ultraviolet lamp absorbent type and content |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11291269A (en) * | 1998-04-06 | 1999-10-26 | Mitsubishi Rayon Co Ltd | Apparatus and method for producing plate shaped polymer |
| JP2005003429A (en) * | 2003-06-10 | 2005-01-06 | National Institute Of Advanced Industrial & Technology | Extraction plate |
| CN2676187Y (en) * | 2002-11-18 | 2005-02-02 | 中国乐凯胶片集团公司 | Film disadvantages detection system |
| CN102422209A (en) * | 2009-05-18 | 2012-04-18 | 夏普株式会社 | Liquid crystal panel and method for inspecting liquid crystal panel |
-
2017
- 2017-07-11 CN CN201710563193.5A patent/CN107561027A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11291269A (en) * | 1998-04-06 | 1999-10-26 | Mitsubishi Rayon Co Ltd | Apparatus and method for producing plate shaped polymer |
| CN2676187Y (en) * | 2002-11-18 | 2005-02-02 | 中国乐凯胶片集团公司 | Film disadvantages detection system |
| JP2005003429A (en) * | 2003-06-10 | 2005-01-06 | National Institute Of Advanced Industrial & Technology | Extraction plate |
| CN102422209A (en) * | 2009-05-18 | 2012-04-18 | 夏普株式会社 | Liquid crystal panel and method for inspecting liquid crystal panel |
Non-Patent Citations (1)
| Title |
|---|
| 裴德君 等: "高效液相色谱法测定纺织品中1-甲基-2-吡咯烷酮的含量", 《分析科学学报》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110118737A (en) * | 2018-02-05 | 2019-08-13 | 康代有限公司 | Check the object including light-sensitive polyimide layer |
| CN110132870A (en) * | 2019-04-30 | 2019-08-16 | 聊城鲁西聚碳酸酯有限公司 | A kind of analysis method of polycarbonate middle-ultraviolet lamp absorbent type and content |
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