CN203894429U - Film surface modification device and polarizing film manufacturing device - Google Patents
Film surface modification device and polarizing film manufacturing device Download PDFInfo
- Publication number
- CN203894429U CN203894429U CN201420056887.1U CN201420056887U CN203894429U CN 203894429 U CN203894429 U CN 203894429U CN 201420056887 U CN201420056887 U CN 201420056887U CN 203894429 U CN203894429 U CN 203894429U
- Authority
- CN
- China
- Prior art keywords
- film
- sparking electrode
- diaphragm
- modifying apparatus
- surface modifying
- 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 - Lifetime
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 27
- 238000012986 modification Methods 0.000 title abstract 3
- 230000004048 modification Effects 0.000 title abstract 3
- 238000000034 method Methods 0.000 claims description 59
- 239000002994 raw material Substances 0.000 claims description 41
- 238000010030 laminating Methods 0.000 claims description 14
- 239000004411 aluminium Substances 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 229920002379 silicone rubber Polymers 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 239000010408 film Substances 0.000 description 152
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 21
- 206010042674 Swelling Diseases 0.000 description 20
- 230000008961 swelling Effects 0.000 description 20
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 19
- 239000004327 boric acid Substances 0.000 description 19
- 238000004043 dyeing Methods 0.000 description 15
- 238000004140 cleaning Methods 0.000 description 14
- 238000010586 diagram Methods 0.000 description 11
- 238000010306 acid treatment Methods 0.000 description 9
- 229920005989 resin Polymers 0.000 description 8
- 239000011347 resin Substances 0.000 description 8
- 238000003851 corona treatment Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 5
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 4
- 239000004372 Polyvinyl alcohol Substances 0.000 description 4
- 239000007864 aqueous solution Substances 0.000 description 4
- 239000000975 dye Substances 0.000 description 4
- 239000000049 pigment Substances 0.000 description 4
- -1 polypropylene Polymers 0.000 description 4
- 229920002451 polyvinyl alcohol Polymers 0.000 description 4
- 238000007127 saponification reaction Methods 0.000 description 4
- 229920002284 Cellulose triacetate Polymers 0.000 description 3
- NNLVGZFZQQXQNW-ADJNRHBOSA-N [(2r,3r,4s,5r,6s)-4,5-diacetyloxy-3-[(2s,3r,4s,5r,6r)-3,4,5-triacetyloxy-6-(acetyloxymethyl)oxan-2-yl]oxy-6-[(2r,3r,4s,5r,6s)-4,5,6-triacetyloxy-2-(acetyloxymethyl)oxan-3-yl]oxyoxan-2-yl]methyl acetate Chemical compound O([C@@H]1O[C@@H]([C@H]([C@H](OC(C)=O)[C@H]1OC(C)=O)O[C@H]1[C@@H]([C@@H](OC(C)=O)[C@H](OC(C)=O)[C@@H](COC(C)=O)O1)OC(C)=O)COC(=O)C)[C@@H]1[C@@H](COC(C)=O)O[C@@H](OC(C)=O)[C@H](OC(C)=O)[C@H]1OC(C)=O NNLVGZFZQQXQNW-ADJNRHBOSA-N 0.000 description 3
- 239000012670 alkaline solution Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000008676 import Effects 0.000 description 3
- NLKNQRATVPKPDG-UHFFFAOYSA-M potassium iodide Chemical compound [K+].[I-] NLKNQRATVPKPDG-UHFFFAOYSA-M 0.000 description 3
- 239000004925 Acrylic resin Substances 0.000 description 2
- 229920000178 Acrylic resin Polymers 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- 229920006026 co-polymeric resin Polymers 0.000 description 2
- 150000001925 cycloalkenes Chemical class 0.000 description 2
- 229920005994 diacetyl cellulose Polymers 0.000 description 2
- 150000002148 esters Chemical class 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 2
- 229920002647 polyamide Polymers 0.000 description 2
- 229920005668 polycarbonate resin Polymers 0.000 description 2
- 239000004431 polycarbonate resin Substances 0.000 description 2
- 229920000139 polyethylene terephthalate Polymers 0.000 description 2
- 239000005020 polyethylene terephthalate Substances 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 1
- 206010001557 Albinism Diseases 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 238000003287 bathing Methods 0.000 description 1
- 239000002981 blocking agent Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000004031 devitrification Methods 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000007888 film coating Substances 0.000 description 1
- 238000009501 film coating Methods 0.000 description 1
- 235000011187 glycerol Nutrition 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- 239000011630 iodine Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
Abstract
The utility model provides a film surface modification device and a polarizing film manufacturing device. The film surface modification device (5) comprises a processing roller (52), which is electrically connected with the ground, and is used for conveying a film (F); discharge electrodes (53,54), discharge ends (531,541) of which are opposite to the surface (S) of the processing roller (52); a power supply part (55), which is electrically connected with the discharge electrodes (53,54), and is used to electrify the discharge electrodes (53,54) to generate the corona discharge between each of the discharge electrodes (53,54) and the processing roller (52). According to the utility model, the hydrophilia of the single surface of the film can be easily improved.
Description
Technical field
The utility model relates to a kind of film surface modifying apparatus and polarizing film producing device.
Background technology
Now, liquid crystal display gets most of the attention because of its superior performance.Also just therefore, one of critical component of liquid crystal display is that the manufacturing technology of polaroid has also received increasing concern.
Polaroid is a kind of very thin blooming; in the manufacturing process of polaroid; conventionally will stick in the both sides of polaroid the diaphragm (TAC film) of cellulose triacetate system, the object of doing is like this in order to protect polaroid not cracked on the one hand, is in order to prevent the retraction of polaroid on the other hand.Before diaphragm and polaroid are fitted each other, in order to improve the adherence of diaphragm, be generally that diaphragm is immersed in and in alkaline aqueous solution, carries out saponification processing (Japanese kokai publication hei 8-94838 communique) in the past.But in this disposal route, the two sides of diaphragm is implemented hydrophilic treatment simultaneously, if be wound into drum after the one side to diaphragm is coated with the hydrophilic layer such as polyvinyl alcohol (PVA), pros and cons will stick together.
In order to solve above problem; thereby proposed a kind of to not needing the face that improves adherence to carry out the method that waterproof processing is only processed the one side enforcement saponification of diaphragm; but; this method not only can cause increasing miscellaneous operation; and also can produce unwanted discarded object in processing procedure, therefore not very good from the angle of productivity, environmental protection.
In addition; Japanese Patent Publication 2007-161769 communique has proposed a kind of saponification process for producing line for the problems referred to above, it comprises to the alkaline solution coating part of diaphragm surface-coated alkaline solution, make that the temperature of the diaphragm after alkaline solution maintains that more than room temperature temperature maintains portion, makes reaction stop that reaction stops to the temperature protection film coating diluting solvent of holding temperature or acid solution, wash away the cleaning part of alkaline aqueous solution on the diaphragm of self-stopping technology reaction and make to clean after the dry drying section of diaphragm.Although such production line does not carry out waterproof processing and just can implement saponification to the one side of diaphragm and process not needing to improve the face of adherence, one-piece construction is comparatively complicated, is unfavorable for realizing miniaturization.
Utility model content
The utility model is made in view of above-mentioned technical matters, and object is to provide a kind of hydrophilic film surface modifying apparatus that can easily improve film one side.In addition, the utility model also provides a kind of polarizing film producing device of applying above-mentioned film surface modifying apparatus.
In order to reach above-mentioned purpose, the utility model provides a kind of film surface modifying apparatus, and this film surface modifying apparatus comprises: treatment tube, and its handle thin films, is electrically connected to ground; Sparking electrode, the surface of its discharge end and described treatment tube is oppositely arranged; Power supply, it is electrically connected to described sparking electrode, for switching on to described sparking electrode, thereby between this sparking electrode and described treatment tube, corona discharge occurs.
According to this technical scheme, in the surfaction processing procedure of film, power supply is supplied with electric power to sparking electrode, produces the voltage of regulation between this sparking electrode and the treatment tube of ground connection, thereby corona discharge occurs.In the time of between pending film is through sparking electrode and treatment tube, the corona discharge that face in sparking electrode one side is subject to from sparking electrode to treatment tube irradiates, water wettability improves, and face in treatment tube one side can not be subject to Corona discharge Treatment, and water wettability is almost constant.Owing to not needing that film is implemented to waterproof processing, do not need to form complicated structure yet, only by corona discharge, irradiate the water wettability of the face of sparking electrode one side that just can improve film, therefore can easily improve the water wettability of film one side.
In addition, preferably, described sparking electrode is provided with a plurality of, and a plurality of described sparking electrodes are in the arranged spaced that makes progress in the week of described treatment tube.
In addition, preferably, in the situation that establishing a plurality of sparking electrode, the distance between the discharge end of the sparking electrode of the setting adjacent one another are that makes progress in the week of described treatment tube is 50mm～400mm.
In addition, preferably, the distance between the discharge end of described sparking electrode and the surface of described treatment tube is 1mm～3mm.
In addition, preferably, the cross section of the discharge end of described sparking electrode forms wave-like, circular shape or wedge-type shape.
In addition, preferably, described sparking electrode by stainless steel or or aluminium make.
In addition, preferably, described treatment tube comprises the metal roller core that is electrically connected to ground and is nested in the lining on the outer peripheral face of roller core, and described lining is made by silicon rubber or pottery.
In addition, preferably, film surface modifying apparatus also comprises: process chamber, and it holds described treatment tube and described sparking electrode, and the film that the film entrance that be provided with exhausr port, enters for pending film and the film of Gong handling are sent exports; Gas exhauster, it is communicated with described exhausr port.
In order to realize another object, the utility model also provides a kind of polarizing film producing device, this polarizing film producing device comprises the raw material film supply unit of base feed film, raw material film from this raw material film supply unit is manufactured to the polaroid manufacturing department of polaroid, supply with the diaphragm supply unit of diaphragm, the surface of the diaphragm from this diaphragm supply unit is carried out to the diaphragm handling part of surfaction processing, thereby the surface label that the described surfaction of the process of described diaphragm is processed is combined on the surface of described polaroid and forms the laminating handling part of light polarizing film and batch the light polarizing film reeling end of this light polarizing film, described diaphragm handling part utilizes above-described film surface modifying apparatus to carry out described surfaction processing.
According to this technical scheme, in diaphragm handling part, when switching on to sparking electrode, can between sparking electrode and treatment tube, there is corona discharge.In the manufacture process of light polarizing film, from the pending diaphragm of diaphragm supply unit, be fed to diaphragm handling part, be wrapped on treatment tube.The diaphragm being wrapped on treatment tube makes the face of its sparking electrode one side be subject to corona discharge irradiation, the raising water wettability from sparking electrode to treatment tube on one side; be transported to continuously laminating handling part on one side; be fitted in from the conveying of polaroid manufacturing department and, next polaroid, form light polarizing film.Owing to not needing that diaphragm is implemented to waterproof processing, do not need to form complicated structure yet, only by corona discharge, irradiate the water wettability of the face of sparking electrode one side that just can improve diaphragm, therefore can easily improve the water wettability of diaphragm one side.
Accompanying drawing explanation
Fig. 1 means the schematic diagram of the general configuration of film surface modifying apparatus of the present utility model.
Fig. 2 (a) means the schematic diagram of shape of the discharge end of the sparking electrode using in the film surface modifying apparatus shown in Fig. 1.
Fig. 2 (b) means the schematic diagram of shape of the discharge end of the sparking electrode using in the film surface modifying apparatus shown in Fig. 1.
Fig. 2 (c) means the schematic diagram of shape of the discharge end of the sparking electrode using in the film surface modifying apparatus shown in Fig. 1.
Fig. 2 (d) means the schematic diagram of shape of the discharge end of the sparking electrode using in the film surface modifying apparatus shown in Fig. 1.
Fig. 3 means the schematic diagram of the general configuration of polarizing film producing device of the present utility model.
Fig. 4 means the raw material film supply unit of polarizing film producing device of the present utility model and the schematic diagram of polaroid manufacturing department.
Fig. 5 means the diaphragm supply unit of polarizing film producing device of the present utility model and the schematic diagram of diaphragm handling part.
Description of reference numerals
2 raw material film supply units; 3 polaroid manufacturing department; 4 diaphragm supply units; 5 film surface modifying apparatus; 5 ' diaphragm handling part; 6 laminating handling parts; 7 light polarizing film reeling ends; 31 swelling treatment troughs; 32 dyeing treatment troughs; 33 boric acid treatment troughs; 34 cleaning treatment grooves; 35 dry treatment boxes; 51 process chambers; 52 treatment tubes; 53,54 sparking electrodes; 55 high frequency electric sources (power supply); 56 high-tension transformers; 57 gas exhausters; 61,62 doubling rollers; 511 film imports; 512 film outlets; 513 exhausr ports; 531,541 discharge ends; 532,542 terminals; F film (diaphragm); P1 raw material film; P2 polaroid; P3 light polarizing film; The surface of S treatment tube.
Embodiment
Hereinafter with reference to accompanying drawing, embodiment of the present utility model is described.
The structure > of < film surface modifying apparatus 5
Fig. 1 has schematically shown the general configuration of film surface modifying apparatus 5 of the present utility model.
As shown in Figure 1, film surface modifying apparatus 5 of the present utility model comprises process chamber 51, treatment tube 52, sparking electrode 53,54, high frequency electric source 55, high-tension transformer 56 and gas exhauster 57.
Process chamber 51 is in film surface modifying apparatus 5, to carry out the place of surfaction processing, is the housing of the case shape made by materials such as aluminium or stainless steels.On process chamber 51, the film outlet 512 that the film F of be provided with the film import 511 that enters for pending film F, Gong handling is sent and be in communication with the outside, for by the exhausr port 513 of the ozone discharge of process chamber 51 interior generations.
Treatment tube 52 is arranged in process chamber 51, can be around the rotation of not shown turning axle, thereby carry and be wrapped in its surperficial S(side face continuously) on film, and this treatment tube 52 is electrically connected to ground.In the present embodiment, treatment tube 52 has roller core and lining, and wherein, roller core is made of metal, and via parts such as bearings, can be arranged on rotationally in process chamber 51, and lining is made by materials such as silicon rubber or potteries, is nested on the outer peripheral face of roller core.
Sparking electrode 53,54 roughly forms bar-shaped, by fixed parts such as conductive clips, is arranged in housing 51.To be discharge end 531,541 separate predetermined distance with the surperficial S for the treatment of tube 52 to the leading section of sparking electrode 53,54 is oppositely arranged, and rearward end is that terminals 532,542 are connected with high frequency electric source 55 described later via high-tension transformer 56.As the material of sparking electrode 53,54, can list stainless steel, aluminium etc., certainly, also can use other conductive materials such as copper, silver.In addition, the cross section of the discharge end 531,541 of sparking electrode 53,54 for example can form wave-like, the circular shape as shown in Fig. 2 (b) and Fig. 2 (d) and wedge-type shape as shown in Figure 2 (c) as shown in Figure 2 (a) shows.
In addition, the distance between the discharge end 531,541 of sparking electrode 53,54 and the surperficial S for the treatment of tube 52 is preferably 1mm～3mm.This be because, if the distance between discharge end 531,541 and surperficial S is greater than 3mm, will cause energy too to disperse, understand on film, produce inhomogeneous; If be less than 1mm, film meeting and electrode contact produce albinism on film.Therefore, preferably the distance between discharge end 531,541 and the surperficial S for the treatment of tube 52 is controlled to 1mm～3mm.Note, said " distance " herein, refers to the minor increment between each discharge end and the surface for the treatment of tube.
In addition, sparking electrode 53 arranges at the interval that makes progress in the week for the treatment of tube 52 with sparking electrode 54.By a plurality of sparking electrodes (being in the present embodiment two) are set, compare with the situation that a sparking electrode is only set, can increase substantially the treatment capacity in the unit interval.In the situation that being provided with a plurality of sparking electrode, in order to ensure sparking electrode, be independent of each other and compact overall structure, the distance between the discharge end of the sparking electrode adjacent one another are that preferably week at treatment tube 52 made progress is made as 50mm～400mm.Said " distance " herein, refers to the minor increment between the discharge end of sparking electrode adjacent one another are.
High frequency electric source 55 is electrically connected to via high-tension transformer 56 and the terminals 532,542 of sparking electrode 53,54, for switching on to sparking electrode 53,54 in modifying process process, at sparking electrode 53,54 and the treatment tube 52 of ground connection between produce voltage, thereby there is corona discharge.
Gas exhauster 57 is communicated with the exhausr port 513 being formed on process chamber 51, for by the ozone (O in housing 51 interior generations at corona discharge process
3) be discharged to the outside of process chamber 51.Thus, the ozone that corona treatment can be produced is discharged, and guarantees the required gas medium environment in housing 51.The exhaust velocity of gas exhauster 57 is depending on the factors such as kind of discharge process speed, processed film.
In addition, the film as being processed by film surface modifying apparatus 5, can list the diaphragm using in order to protect light polarizing film in light polarizing film manufacture process.As the material of this diaphragm, can list (methyl) acrylic resin, cellulosic resin if diacetyl cellulose or triacetyl cellulose, cycloolefin resinoid, olefine kind resin are if polypropylene, esters resin are as polyethylene terephthalate resinoid, polyamide-based resin, polycarbonate resin or its copolymer resin etc.
The work > of < film surface modifying apparatus 5
Below, with reference to Fig. 1, the course of work of film surface modifying apparatus 5 is described.
When utilizing 5 pairs of film F surfaces of film surface modifying apparatus to enter modifying process, connect high frequency electric source 55 and to sparking electrode 53,54 energisings, thereby at sparking electrode 53, between 54 discharge end 531,541 and the treatment tube 12 of ground connection, produce the voltage of regulation, corona discharge occurs.
Then, start not shown motor, drive not shown driven roller (with reference to Fig. 4) rotation, utilize this driven roller to pull out film F from be wound with the not shown cylinder (with reference to Reference numeral Fig. 4 4) of film F, and this film F is entered in process chamber 51 via film import 511, be wound on treatment tube 52, thereby at sparking electrode 53, process between 54 discharge end 531,541 and the treatment tube 12 of ground connection.Now, the corona discharge that the face of film F in sparking electrode 53,54 one sides is subject to from sparking electrode 53,54 to treatment tube 52 irradiates, and water wettability improves, and the face in treatment tube 52 1 sides can not be subject to Corona discharge Treatment.Film F through Corona discharge Treatment is sent via film outlet 512.
Meanwhile, gas exhauster 57 is discharged to the outside of process chamber 51 by the ozone in housing 51 interior generations in corona discharge process via exhausr port 513.
After completing modifying process, disable motor and gas exhauster 57, cut-out high frequency electric source 55, shut down film surface modifying apparatus 5.
According to above-mentioned film surface modifying apparatus 5, in modifying process process, the corona discharge that the face of film in sparking electrode one side is subject to from sparking electrode to treatment tube irradiates, and water wettability improves, and face in treatment tube one side can not be subject to Corona discharge Treatment, water wettability is almost constant.Due to need not be to not needing the face that improves adherence to carry out waterproof processing, do not need whole film surface modifying apparatus to form complicated structure yet, only by corona discharge, irradiate the water wettability of the face of sparking electrode one side that just can improve film, therefore, can easily improve the water wettability of film one side.
The structure > of < polarizing film producing device
Fig. 3～Fig. 5 has schematically shown the structure of polarizing film producing device of the present utility model and ingredient thereof.Wherein, Fig. 3 is the schematic diagram of the general configuration of polarizing film producing device; Fig. 4 means the raw material film supply unit of polarizing film producing device and the schematic diagram of polaroid manufacturing department, and Fig. 5 means the diaphragm supply unit of polarizing film producing device and the schematic diagram of diaphragm handling part.
As shown in Figure 3, polarizing film producing device comprise raw material film supply unit 2, polaroid manufacturing department 3, diaphragm supply unit 4,4, diaphragm handling part 5 ', 5 ', laminating handling part 6 and light polarizing film reeling end 7.
With reference to Fig. 4, raw material film supply unit 2 consists of reel etc., is wound with the raw material film P1 for the manufacture of polaroid, as polyvinyl alcohol film (PVA film), in polaroid manufacture process, raw material film supply unit 2 rotates under the driving of driven roller, sends raw material film P1 continuously to polaroid manufacturing department 3.
Polaroid manufacturing department 3 by the raw material film P1 from raw material film supply unit 2 for example immerse successively that swelling treatment trough 31, dyeing treatment trough 32, boric acid treatment trough 33 and cleaning treatment groove 34 carry out that swelling processing, dyeing are processed, boric acid is processed, extend processing, cleaning treatment and form polaroid P2, send to laminating handling part 6 described later after afterwards this polaroid P2 drying treatment box 35 be dried to processing.
Below will introduce simply above-mentioned swelling processing, dyeing processing, boric acid processing, and extend processing, cleaning treatment and be dried and process.
In the following description, film unprocessed and in variety of processes is called to " raw material film ", the film after the processing of processing, dye through swelling, boric acid processing, extension processing, cleaning treatment and after dry processing is called to " polaroid ".
[swelling processing]
As shown in Figure 4, first, in swelling treatment trough 31, raw material film P1 is implemented to swelling and process.The object of carrying out swelling processing is, removes the plastifier existing in the foreign matter on raw material film P1 surface and raw material film P1, to easily dye processing in follow-up treatment process, improves the plasticity of film.
As swelling used in swelling treatment trough 31, bathing, except pure water, can be also that boric acid or added be take the aqueous solution of inorganic salts that chloride is representative, water-miscible organic solvent that the alcohols of take is representative.But, in swelling treatment trough 31, preferably use the pure water that there is no in fact solvent components.By this, process, can wash dirt and the anti blocking agent on raw material film P1 surface off, and can be by making raw material film P1 swelling prevent that stain etc. is inhomogeneous.In swelling is bathed, suitably add glycerine, potassium iodide.
[dyeing is processed]
As shown in Figure 4, the raw material film P1 processing through swelling is fed to dyeing treatment trough 32, in this dyeing treatment trough 32, by containing the dye bath of dichroism pigment, is implemented dyeing and processes.As dichroism pigment, conventionally use iodine or dichroic organic dyestuff.The object that dyeing is processed is that dichroism pigment adsorb on raw material film P1 is directed, and its condition is in the scope that can reach this object and not make raw material film produce in the scope of the unfavorable conditions such as extreme dissolving, devitrification definite.
[boric acid processing]
As shown in Figure 4, the raw material film P1 after dyeing is processed is fed to boric acid treatment trough 33, in this boric acid treatment trough 33, enters boric acid treatment process.It is to be undertaken by the boric acid aqueous solution raw material film P1 that was dyed look by dichroism pigment being immersed in boric acid treatment trough 33 that this boric acid is processed.
[extend and process]
In using the process of raw material film manufacture polaroid, in above-mentioned dyeing treatment process and at least one operation in boric acid treatment process and above-mentioned swelling treatment process, raw material film P1 is passed through between the different roller of circumferential speed, this raw material film P1 is carried out to the uniaxial extension of wet type and process.
By this, extend and process, can make raw material film P1 extend to preliminary dimension with regulation extension ratio.
[cleaning treatment]
Processing through above-mentioned swelling, dyeing is processed, boric acid is processed, extend and process after, raw material film P1 is sent into and in cleaning treatment groove 34, carries out cleaning treatment.As the method for cleaning treatment, can adopt the raw material film P1 from boric acid treatment trough 33 is immersed in to method in water, water is sprayed to method on raw material film P1 and and by the method for dipping and spray etc.
By this cleaning treatment, the useless remnant remaining on raw material film P1 can be washed away.
[dry processing]
Through cleaned raw material film P1, be directed to dry treatment box 35, implement dry processing.
So, the swelling processing more than process, the processing of dyeing, boric acid obtain polaroid P2 after processing, extend processing, cleaning treatment and being dried processing.
As shown in Figures 3 and 4, this polaroid P2 is carried to laminating handling part described later 6, with the diaphragm F that is delivered to this place fit together (referring to aftermentioned) simultaneously.
As shown in Fig. 3 and Fig. 5, diaphragm supply unit 4,4 consists of reel etc., is wound with the diaphragm F for the manufacture of light polarizing film P3, F.In manufacturing the process of light polarizing film, this diaphragm supply unit 4,4 rotates under the driving effect of driven roller, continuously to diaphragm handling part 5 ', 5 ' send diaphragm F, F.
Material as diaphragm; as mentioned above, can list such as (methyl) acrylic resin, cellulosic resin if diacetyl cellulose or triacetyl cellulose, cycloolefin resinoid, olefine kind resin are if polypropylene, esters resin are as polyethylene terephthalate resinoid, polyamide-based resin, polycarbonate resin or its copolymer resin etc.
Diaphragm handling part 5 ', 5 ' to the diaphragm F from diaphragm supply unit 4,4, F will carry out modifying process with the surface of polaroid P2 laminating, improve this surperficial water wettability.
In the present embodiment, diaphragm handling part 5 ', 5 ' utilize aforementioned film surface modifying apparatus 5 to carry out corona discharge, irradiate diaphragm F, thereby F will carry out modifying process with the surface of polaroid P2 laminating.Concrete structure and the course of work about film surface modifying apparatus 5 will repeat no more herein.
As shown in Figure 3, laminating handling part 6 mainly consists of a pair of doubling roller 61,62 being arranged close to each other, and forms the roll gap of regulation between this pair of doubling roller 61,62.From diaphragm handling part 5 ', 5 ' diaphragm F, F, when the roll gap through between doubling roller 61,62, is fitted in respectively on the pros and cons from the polaroid P2 of polaroid manufacturing department 3, forms the light polarizing film P3 of stepped construction.
In the situation that usining in (Japan) JP 2012-073569 that disclosed stretching duplexer is as raw material film; diaphragm supply unit 4 and diaphragm handling part 5 are only arranged on polaroid one side in disclosed stretching duplexer in (Japan) JP 2012-073569, and this raw material film is fitted on the face of polaroid one side.
Light polarizing film reeling end 7 consists of reel etc., is driven, for the good light polarizing film P3 of manufacture from joint place reason portion 6 is wound up by not shown motor.
The work > of < polarizing film producing device
Below, with reference to Fig. 3 to Fig. 5, the course of work of polarizing film producing device is described.
When manufacturing light polarizing film, switch on power, starting polarizing film producing device.
Now, raw material film P1 from raw material film supply unit 2 is fed to polaroid manufacturing department 3, in swelling treatment trough 31, dyeing, carry out that swelling processing, dyeing are processed, boric acid is processed in treatment trough 32, boric acid treatment trough 33 and cleaning treatment groove 34, extend processing, cleaning treatment and form polaroid P2, drying treatment box 35 is dry afterwards, is sent to laminating handling part 6.
Meanwhile, from the diaphragm F of diaphragm supply unit 4,4; F be fed to diaphragm handling part 5 ', 5 ', be wound on treatment tube 52; on 52 and at sparking electrode 53; 54 discharge end 531,541 and the surperficial S for the treatment of tube 52,52; between S, pass through; make the face of its discharge end 531,541 one sides be subject to Corona discharge Treatment, improve water wettability.Then, through the diaphragm F of Corona discharge Treatment, F is sent to laminating handling part 6.
Diaphragm F, F, when the roll gap through between doubling roller 61,62, is fitted in respectively on the tow sides of this roll gap polaroid of same process P2, forms the light polarizing film P3 of stepped construction.The light polarizing film P3 having manufactured, from 6 outputs of laminating handling part, is wound up by light polarizing film reeling end 7.
After having manufactured light polarizing film, cut off the electricity supply, polarizing film producing device is quit work.
According to above-mentioned polarizing film producing device; when manufacturing light polarizing film; the diaphragm being wrapped on treatment tube makes the face of its sparking electrode one side be subject to corona discharge irradiation, the raising water wettability from sparking electrode to treatment tube on one side; be transported to continuously laminating handling part on one side; be fitted in from the conveying of polaroid manufacturing department and, next polaroid, form light polarizing film.Due to need not be to not needing the face that improves adherence to carry out waterproof processing; do not need to form complicated structure yet; only by corona discharge, irradiate the water wettability of the face of sparking electrode one side that just can improve diaphragm, therefore can easily improve the water wettability of diaphragm one side.
For the ease of understanding, exemplarily described above embodiment of the present utility model, but the utility model is not limited to above-mentioned concrete form.In the category of technological thought of the present utility model, can make various changes, these changes are included in scope of the present utility model too.
For example, take situation that two sparking electrodes are set and be illustrated as example above, but also a sparking electrode can be only set, or three or three above sparking electrodes are set.
For another example, above situation of take set handling chamber and gas exhauster is illustrated as example, but in the case of necessary, also can omit process chamber and gas exhauster is implemented.
For another example; only fit on the tow sides of the polaroid situation of layer protecting film of take is above illustrated as example; but also can be after the said protection film that has been sticked, the surface protection film that is further sticked on the tow sides of formed light polarizing film, further protects light polarizing film.
Claims (9)
1. a film surface modifying apparatus, is characterized in that, comprising:
Treatment tube, it is electrically connected to ground, for delivery of film;
Sparking electrode, the surface of its discharge end and described treatment tube is oppositely arranged;
Power supply, it is electrically connected to described sparking electrode, for switching on to described sparking electrode, thereby between this sparking electrode and described treatment tube, corona discharge occurs.
2. film surface modifying apparatus as claimed in claim 1, is characterized in that,
Described sparking electrode is provided with a plurality of, and a plurality of described sparking electrodes are in the arranged spaced that makes progress in the week of described treatment tube.
3. film surface modifying apparatus as claimed in claim 2, is characterized in that,
Distance between the discharge end of the sparking electrode of the setting adjacent one another are that makes progress in the week of described treatment tube is 50mm～400mm.
4. film surface modifying apparatus as claimed in claim 1, is characterized in that,
Distance between the discharge end of described sparking electrode and the surface of described treatment tube is 1mm～3mm.
5. film surface modifying apparatus as claimed in claim 1, is characterized in that,
The cross section of the discharge end of described sparking electrode forms wave-like, circular shape or wedge-type shape.
6. film surface modifying apparatus as claimed in claim 1, is characterized in that,
Described sparking electrode by stainless steel or or aluminium make.
7. film surface modifying apparatus as claimed in claim 1, is characterized in that,
Described treatment tube comprises the metal roller core that is electrically connected to ground and is nested in the lining on the outer peripheral face of this roller core, and described lining is made by silicon rubber or pottery.
8. film surface modifying apparatus as claimed in claim 1, is characterized in that, also comprises:
Process chamber, it holds described treatment tube and described sparking electrode, and the film that the film entrance that be provided with exhausr port, enters for pending film and the film of Gong handling are sent exports;
Gas exhauster, it is communicated with described exhausr port.
9. a polarizing film producing device; thereby comprise the raw material film supply unit of base feed film, the raw material film from this raw material film supply unit is manufactured to the polaroid manufacturing department of polaroid, supply with diaphragm diaphragm supply unit, the diaphragm handling part of surfaction processing, surface label that the described surfaction of the process of described diaphragm is processed are carried out in the surface of the diaphragm from this diaphragm supply unit be combined on the surface of described polaroid and form the laminating handling part of light polarizing film and batch the light polarizing film reeling end of this light polarizing film
It is characterized in that, described diaphragm handling part has the film surface modifying apparatus as described in any one in claim 1 to 8, utilizes this film surface modifying apparatus to carry out described surfaction processing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420056887.1U CN203894429U (en) | 2014-01-29 | 2014-01-29 | Film surface modification device and polarizing film manufacturing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420056887.1U CN203894429U (en) | 2014-01-29 | 2014-01-29 | Film surface modification device and polarizing film manufacturing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203894429U true CN203894429U (en) | 2014-10-22 |
Family
ID=51720810
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420056887.1U Expired - Lifetime CN203894429U (en) | 2014-01-29 | 2014-01-29 | Film surface modification device and polarizing film manufacturing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203894429U (en) |
-
2014
- 2014-01-29 CN CN201420056887.1U patent/CN203894429U/en not_active Expired - Lifetime
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6027214B1 (en) | Film manufacturing method | |
| KR101956414B1 (en) | Method for producing polarizing film | |
| WO2022001576A1 (en) | Cleaning machine for small-size cover plate, and cleaning method therefor | |
| CN203894429U (en) | Film surface modification device and polarizing film manufacturing device | |
| TW201609888A (en) | Polyvinyl alcohol polarizing film, polarizing plate and method for producing the same | |
| JP5970117B1 (en) | Polarizing film manufacturing method and manufacturing apparatus | |
| KR101515952B1 (en) | Apparatus for substratedouble-surface hole-filling | |
| CN105745562A (en) | Method for manufacturing polarizing film | |
| CN106796314A (en) | The manufacture method of polarizing coating | |
| CN107399095A (en) | The manufacture method of stacked film and the manufacture method of polarization plates | |
| TWI604233B (en) | Method and apparatus for manufacturing polarizing film | |
| JP2002350638A (en) | Method and apparatus for manufacturing polarizing film | |
| KR102450433B1 (en) | Method for producing laminate | |
| CN205165246U (en) | Battery case washs drying device | |
| CN112138959A (en) | Method and apparatus for manufacturing polarizing plate | |
| CN107614578A (en) | The manufacture method and light polarizing film of polyvinyl alcohol film, polyvinyl alcohol film | |
| KR20170040241A (en) | Production method for polarizing film | |
| CN208661609U (en) | A kind of traction mechanism | |
| CN112480460B (en) | Method and apparatus for producing polarizing film | |
| JP2014215494A (en) | Rubbing processing method and device | |
| CN209373163U (en) | The manufacturing device of polarizing coating | |
| JP2016224390A (en) | Method for manufacturing polarizing film and apparatus for manufacturing the same | |
| JP2019053294A (en) | Method and system for forming polarizer film | |
| CN102231496B (en) | Insulated single wire stripping device for local cable | |
| KR102629982B1 (en) | Manufacture of polyvinyl alcohol-based film for manufacturing polarizing film and polarizing film using the same, polarizing plate, and polyvinyl alcohol-based film for manufacturing polarizing film |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141022 |
|
| CX01 | Expiry of patent term |