CN103338856A - Corona treatment method - Google Patents
Corona treatment method Download PDFInfo
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- CN103338856A CN103338856A CN2012800069928A CN201280006992A CN103338856A CN 103338856 A CN103338856 A CN 103338856A CN 2012800069928 A CN2012800069928 A CN 2012800069928A CN 201280006992 A CN201280006992 A CN 201280006992A CN 103338856 A CN103338856 A CN 103338856A
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- Prior art keywords
- corona treatment
- electrode
- film
- sided corona
- ground connection
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- 238000003851 corona treatment Methods 0.000 title claims abstract description 143
- 238000000034 method Methods 0.000 title claims abstract description 32
- 238000005260 corrosion Methods 0.000 claims description 12
- 230000007797 corrosion Effects 0.000 claims description 12
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 6
- 230000007774 longterm Effects 0.000 description 6
- MUBZPKHOEPUJKR-UHFFFAOYSA-N oxalic acid group Chemical group C(C(=O)O)(=O)O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 6
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 239000004411 aluminium Substances 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 239000004925 Acrylic resin Substances 0.000 description 2
- 229920000178 Acrylic resin Polymers 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 150000001925 cycloalkenes Chemical class 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 235000006408 oxalic acid Nutrition 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 238000012800 visualization Methods 0.000 description 2
- BNGXYYYYKUGPPF-UHFFFAOYSA-M (3-methylphenyl)methyl-triphenylphosphanium;chloride Chemical compound [Cl-].CC1=CC=CC(C[P+](C=2C=CC=CC=2)(C=2C=CC=CC=2)C=2C=CC=CC=2)=C1 BNGXYYYYKUGPPF-UHFFFAOYSA-M 0.000 description 1
- PAWQVTBBRAZDMG-UHFFFAOYSA-N 2-(3-bromo-2-fluorophenyl)acetic acid Chemical compound OC(=O)CC1=CC=CC(Br)=C1F PAWQVTBBRAZDMG-UHFFFAOYSA-N 0.000 description 1
- 229920001747 Cellulose diacetate Polymers 0.000 description 1
- 229920002284 Cellulose triacetate Polymers 0.000 description 1
- 239000004821 Contact adhesive Substances 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- 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 1
- 238000010521 absorption reaction Methods 0.000 description 1
- VBIXEXWLHSRNKB-UHFFFAOYSA-N ammonium oxalate Chemical compound [NH4+].[NH4+].[O-]C(=O)C([O-])=O VBIXEXWLHSRNKB-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000007767 bonding agent Substances 0.000 description 1
- 229920002301 cellulose acetate Polymers 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 150000003891 oxalate salts Chemical class 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- BAZVSMNPJJMILC-UHFFFAOYSA-N triadimenol Chemical compound C1=NC=NN1C(C(O)C(C)(C)C)OC1=CC=C(Cl)C=C1 BAZVSMNPJJMILC-UHFFFAOYSA-N 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
- B01J19/087—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electric or magnetic energy
- B01J19/088—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electric or magnetic energy giving rise to electric discharges
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
- H05H1/00—Generating plasma; Handling plasma
- H05H1/24—Generating plasma
- H05H1/47—Generating plasma using corona discharges
- H05H1/473—Cylindrical electrodes, e.g. rotary drums
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
- H05H1/00—Generating plasma; Handling plasma
- H05H1/24—Generating plasma
- H05H1/47—Generating plasma using corona discharges
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
- H05H1/00—Generating plasma; Handling plasma
- H05H1/24—Generating plasma
- H05H1/47—Generating plasma using corona discharges
- H05H1/471—Pointed electrodes
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/10—Optical coatings produced by application to, or surface treatment of, optical elements
- G02B1/12—Optical coatings produced by application to, or surface treatment of, optical elements by surface treatment, e.g. by irradiation
Abstract
A method for performing a corona treatment on the surface of a film, which comprises: a step for generating a corona discharge between a discharge electrode (2) and an earth roll (3); and a step for having a film (10) run on the earth roll (3) during the corona discharge. The discharge electrode (2) is covered with an electrode cover (4). The electrode cover (4) has an opening (4c) on the earth roll (3) side, and the opening (4c) of the electrode cover (4) is formed to face sideward, obliquely upward or upward.
Description
Technical field
The present invention relates to a kind of method of being carried out sided corona treatment by the surface of sided corona treatment thing to the film shape.
Background technology
Record in the patent documentation 1,2 by the technology that sided corona treatment makes its surface active is carried out on the surface of light polarizing film etc.Sided corona treatment is normally following carries out, namely, put between sparking electrode that corona treatment plant possesses and the ground connection roller by the high frequency/high voltage output that will be supplied with by high frequency electric source and to produce corona discharge, film (by the sided corona treatment thing) such as light polarizing film is passed through.
Yet, if carry out sided corona treatment for a long time, exist the crystalloid foreign matter to be attached to the problem that film (by the sided corona treatment thing) upward makes decrease in yield.
On the other hand, knownly cause generating ozone and nitrogen oxide (NO because of corona discharge
X) situation (for example, referring to Patent Document 3).In the patent documentation 3, the corona treatment plant that has the regulation structure by use reduces ozone and nitrogen oxide (NO
X) generation.
Yet the corona unit of putting down in writing in the patent documentation 3 adheres to this and may not necessarily attain full and complete satisfaction on the one hand suppressing above-mentioned crystalloid foreign matter when carrying out sided corona treatment for a long time.In addition, in the patent documentation 3, must become this one side of regulation structure at corona treatment plant, also have the problem that to carry out sided corona treatment simply.
Patent documentation
Patent documentation 1: TOHKEMY 2005-213314 communique
Patent documentation 2: TOHKEMY 2009-8860 communique
Patent documentation 3: No. 4194766 communique of Japan Patent
Summary of the invention
Problem of the present invention is to provide a kind of method that can carry out sided corona treatment steadily in the long term.
The inventor etc. further investigate repeatedly in order to solve above-mentioned problem, found that following opinion.
That is, the crystalloid foreign matter that is attached on the film (by the sided corona treatment thing) after sided corona treatment finishes is analyzed, this crystalloid foreign matter is oxalic acid, oxalates, ammonium oxalate, aluminum nitrate, ammonium nitrate etc. as a result.
The inventor etc. have carried out investigation repeatedly to the source of these crystalloid foreign matters.Its result obtains following opinion, that is, these crystalloid foreign matters are what to accumulate in corona treatment plant along with the carrying out of corona discharge, and it is the foreign matter that falls and be attached on the film (by the sided corona treatment thing).And, further further investigate repeatedly based on this opinion, found that if the peristome that corona treatment plant is configured to the electrode hood that corona treatment plant possesses becomes specific direction, then can suppress to be accumulated in the crystalloid foreign matter of corona treatment plant and fall and be attached to film (by the sided corona treatment thing), so that finish the present invention.
That is, sided corona treatment method of the present invention comprises following formation.
(1) a kind of sided corona treatment method, for produce corona discharge between the sparking electrode that possesses at corona treatment plant and the ground connection roller and under this corona discharge, be situated between by described ground connection roller make the film shape by the sided corona treatment thing by and to described method of being carried out sided corona treatment by the surface of sided corona treatment thing, wherein, described corona treatment plant further possesses electrode hood, this electrode hood covers described sparking electrode, and have peristome in described ground connection roller side, be configured to make the peristome of this electrode hood to become towards horizontal and even top described corona treatment plant.
(2) the sided corona treatment method of described (1) record, wherein, described corona treatment plant is made of the corrosion resistance parts.
(3) the sided corona treatment method of described (1) or (2) record, wherein, the surface of described corona treatment plant is subjected to corrosion-resistance treatment.
(4) the sided corona treatment method of each record in described (1) to (3), wherein, described electrode sleeve is made of transparent parts.
(5) the sided corona treatment method of each record in described (1) to (4), wherein, described film shape be to be selected from least a in blooming and the diaphragm by the sided corona treatment thing.
(6) the sided corona treatment method of each record in described (1) to (5), wherein, described film shape be more than 1 myriametre by the length of sided corona treatment thing.
Should illustrate, described " ground connection roller " among the present invention so long as have and sparking electrode between produce corona discharge and the roller of the function of being passed through by the sided corona treatment thing of film shape get final product, comprise that also what is called is called as treatment tube or the back roller of roller etc.
Described " film shape " among the present invention is not to be only limited to the film shape, as long as without detriment to effect of the present invention, comprises film shape and even laminar concept yet.
Invention on the other hand is for carrying out the method for sided corona treatment to the surface of film, it possesses:
Between sparking electrode and ground connection roller, produce the operation of corona discharge: and
Under described corona discharge, make film in the mobile operation of described ground connection roller,
Described sparking electrode is covered by electrode hood,
Described electrode hood has peristome in described ground connection roller side,
The peristome of described electrode hood is towards horizontal, oblique upper or top.
At this, at least one in preferred described sparking electrode, described ground connection roller and the described electrode hood has the corrosion resistance parts.
In addition, also the surface of at least one in preferred described sparking electrode, described ground connection roller and the described electrode hood is subjected to corrosion-resistance treatment.
In addition, also preferably the gas in the space that is surrounded by described electrode hood carries out exhaust by blast pipe, and the surface that described blast pipe has corrosion resistance parts or described blast pipe is subjected to corrosion-resistance treatment.
In addition, also preferred described sparking electrode is kept by electrode holder, and the surface that described electrode holder has corrosion resistance parts or described electrode holder is subjected to corrosion-resistance treatment.
In addition, also preferred described electrode hood is transparent.
In addition, preferred described film is to be selected from least a in blooming and the diaphragm.
In addition, the length of preferred described film is more than 1 myriametre.
According to the present invention, can suppress to be accumulated in the crystalloid foreign matter of corona treatment plant and fall and be attached to film (by the sided corona treatment thing), therefore have the effect that can carry out sided corona treatment steadily in the long term.And, can adopt the corona treatment plant with general structure, therefore can carry out sided corona treatment simply.
Description of drawings
Fig. 1 is the schematic diagram of the related corona treatment plant of expression an embodiment of the invention.
Fig. 2 (a)～(c) is the diagrammatic illustration figure that the configuration status to corona treatment plant shown in Figure 1 describes.
Fig. 3 (a) and (b) are diagrammatic illustration figure that the configuration status to corona treatment plant shown in Figure 1 describes.
Fig. 4 is the diagrammatic illustration figure of the related sided corona treatment method of expression an embodiment of the invention.
The specific embodiment
Below, with reference to figure l～Fig. 4 an embodiment of sided corona treatment method involved in the present invention is elaborated.The sided corona treatment method of present embodiment is to use the corona treatment plant 1 shown in the figure l to carry out.
Corona treatment plant 1 possesses: sparking electrode 2; Ground connection roller 3 is with these sparking electrode 2 arranged opposite; Electrode hood 4 covers sparking electrode 2; Electrode holder 5 keeps sparking electrode 2; Reach blast pipe 6, be positioned at the opposite other end 4b side of the end face 4a with being positioned at ground connection roller 3 sides of electrode hood 4.
It is bar-shaped that sparking electrode 2 roughly is, the interior side that electrode hood 4 is more leaned on than an end face 4a of electrode hood 4 in the position of its leading section 2a, and end 2b is kept by electrode holder 5 thereafter.Should illustrate that as long as can discharge, the shape of sparking electrode 2 is not limited to roughly bar-shaped, for example also can be needle-like, other shape such as tabular, cylindric.
Electrode hood 4 has the peristome 4c at an end face opening that is positioned at ground connection roller 3 sides.In addition, electrode hood 4 has a pair of side 4d, 4d.A pair of side 4d, 4d extend from an end face 4a to other end 4b in the mode of mutual almost parallel.
With regard to blast pipe 6, the part of its periphery is passed through in the space that is surrounded by electrode hood 4, and not shown 25 exhaust outlet is connected with attraction mechanisms such as vavuum pumps.Thus, the gas in the space that is surrounded by electrode hood 4 can be attracted by blast pipe 6, and to the outside exhaust of corona treatment plant 1.Therefore, can carry out exhaust by blast pipe 6 to the outside of corona treatment plant 1 by the ozone that sided corona treatment produces.Air quantity as the exhaust outlet of blast pipe 6 aspect the exhaust of carrying out ozone reliably, is preferably 0.1m
3More than/second.
Using the sided corona treatment method of the present embodiment that above-mentioned corona treatment plant l carries out is following method: by being put between sparking electrode 2 and the ground connection roller 3 by the high-frequency high-voltage output that not shown high frequency electric source is supplied with, thereby between them, produce corona discharge, and Jie makes being passed through by sided corona treatment thing 10 of film shape by ground connection roller 3 under this corona discharge, thus to being carried out sided corona treatment by the surface of sided corona treatment thing 10.That is, under corona discharge, make film mobile at described ground connection roller, thus sided corona treatment is carried out on the surface of film.
As sided corona treatment intensity, adopt desired intensity to get final product according to film (by the sided corona treatment thing) 10, be not particularly limited, but be generally about 200～2000W.If sided corona treatment intensity is low excessively, then exist and be difficult to obtain the tendency of stable corona discharge at film (by the sided corona treatment thing) 10 whole width, in addition, if it is too high, though then because of difference to some extent such as heat-resistant quality of film (by the sided corona treatment thing) 10, because causing film (by the sided corona treatment thing) 10, the heat that produces is easy to generate tendencies such as wrinkle but exist, and therefore not preferred.
At this, shown in Fig. 2 (a)～(c), in the sided corona treatment method of present embodiment, corona treatment plant 1 is configured to the peristome 4c of above-mentioned electrode hood 4 towards horizontal and even top.That is, the peristome 4c of electrode hood 4 is towards horizontal, oblique upper or top.Thus, can suppress to be accumulated in the crystalloid foreign matter of corona treatment plant 1 and fall and be attached to film (by the sided corona treatment thing) 10, and can carry out sided corona treatment steadily in the long term.Relative therewith, shown in Fig. 3 (a) and (b), the peristome 4c that corona treatment plant 1 is configured to electrode hood 4 compares laterally more towards oblique below and even below, then causes being accumulated in the crystalloid foreign matter of corona treatment plant l dropping to film (by the sided corona treatment thing) 10.
On the other hand, common corona treatment plant adopts aluminium mostly in the parts that constitute electrode holder 5 and blast pipe 6 etc., and the crystalloid foreign matter has the tendency that is attached in a large number on the parts that are made of aluminium.Therefore, the related corona treatment plant 1(of present embodiment for example, at least a in sparking electrode, ground connection roller, electrode hood, electrode holder and the blast pipe) preferably constituted by the parts except aluminium, more preferably constituted by the corrosion resistance parts.As the corrosion resistance parts, for example can list pottery, stainless steel (SUS) etc.In addition, it is own that replacement constitutes corona treatment plant 1 by the corrosion resistance parts, by for example covering corona treatment plant 1(by the corrosion resistance parts, at least a in sparking electrode, ground connection roller, electrode hood, electrode holder and the blast pipe) surface, or its surface carried out corrosion-resistance treatment, also can access same effect.As corrosion-resistance treatment, for example can list alumite processing etc.Being suitable for of above-mentioned corrosion resistance parts, corrosion-resistance treatment can be suitable for corona treatment plant 1 integral body, also can parts, the zone that crystalloid foreign matter in the corona treatment plant 1 easily adheres to be suitable for.
In addition, preferably constitute electrode hood 4 by transparent parts.Therefore thus, electrode hood 4 becomes transparent, can be situated between by this electrode hood 4 and the state of Visual Confirmation sparking electrode 2, electrode holder 5 etc.As transparent parts, for example can list acrylic resin etc.Transparently refer to that (for example, 390～750nm) is transparent with respect to visible light.
The inboard of the side 4d of electrode hood 4 preferably is made of the groove of easily not accumulating the crystalloid foreign matter, concavo-convex shape.
As the film (by the sided corona treatment thing) 10 that is carried out sided corona treatment by corona treatment plant l; can adopt the film of the desired film shape that needs sided corona treatment; be not particularly limited, but for example can list bloomings such as light polarizing film, protect this blooming diaphragm, possess the film of adhesive phase or bond layer etc.As light polarizing film; for example can enumerate film that the dichroism pigment of sening as an envoy to forms in polyvinyl alcohol film absorption orientation etc.; as protective film, for example can list cellulose acetate resin film, cycloolefin resin film of Triafol T, cellulose diacetate and so on etc.
Length (hereinafter referred to as " treating capacity ") as film (by the sided corona treatment thing) 10 is preferably more than 1 myriametre, more preferably more than 3 myriametres, and 4 myriametres～6 myriametres more preferably.Sided corona treatment as if carrying out at such treating capacity in the past then exists the crystalloid foreign matter easily to be attached to the tendency of film (by the sided corona treatment thing) 10.If utilize the sided corona treatment method that to carry out the present embodiment of sided corona treatment steadily in the long term, even then at above-mentioned treating capacity, also can stably carry out sided corona treatment.In addition, film (by the sided corona treatment thing) 10 with above-mentioned treating capacity can be to coil into the film of extracting out continuously the l root stock roll that the roller shape forms from strip film (by the sided corona treatment thing), also can be the film that a plurality of films (by the sided corona treatment thing) that will have the predetermined processing amount separately continue and form.
As the thickness of film (by the sided corona treatment thing) 10, be generally about 10～300 μ m, the width as film (by the sided corona treatment thing) 10 is generally about 300～2500mm, but is not limited to these.
Then, list and use light polarizing film and diaphragm to be example as the situation of film (by the sided corona treatment thing) 10, with reference to figure 4, be elaborated for an embodiment that their surface is carried out sided corona treatment of the present invention.
Shown in figure, at first, 2 corona treatment plants 1, l are become horizontal mode with the peristome 4c of electrode hood 4 be configured in the position of regulation.
Then, be situated between by deflector roll 15a, 15b before the sided corona treatment respectively to arrow A, B direction conveying light polarizing film 11, diaphragm 12.At this moment, light polarizing film 11, diaphragm 12 are carried in the mode that surface separately contacts with deflector roll 15a, 15b before the sided corona treatment.
Then; by being put between sparking electrode 2 and the ground connection roller 3 by the high-frequency high-voltage output that not shown high frequency electric source is supplied with; thereby between them, produce corona discharge, and Jie passes through light polarizing film 11, diaphragm 12 by ground connection roller 3 under this corona discharge.
Thus; can carry out sided corona treatment to the surface separately of light polarizing film 11, diaphragm 12; and the peristome 4c that corona treatment plant 1 is configured to electrode hood 4 becomes laterally; therefore can suppress to be accumulated in the crystalloid foreign matter of corona treatment plant 1 to fall and be attached to light polarizing film 11, diaphragm 12, can carry out sided corona treatment steadily in the long term thus.
On the other hand, aspect the reduction cost, preferably before carrying light polarizing film 11, diaphragm 12, carry in advance cheap film as guide's film after, carry light polarizing film 11, diaphragm 12.At this moment, preferably when guide's film is carried, do not produce corona discharge, and light polarizing film 11, diaphragm 12 on ground connection roller 3 by the time produce corona discharge.
Light polarizing film 11 after the sided corona treatment, diaphragm 12 are situated between by deflector roll 16a, 16b after the sided corona treatment and carry to arrow C, D direction respectively.At this, contact with deflector roll 16a, 16b after the sided corona treatment as if the light polarizing film 11 that is activated by sided corona treatment, the surface of diaphragm 12, then there are contaminated tendency in deflector roll 16a, 16b after these sided corona treatment.As its reason, supposition is because there is the oxalic acid that generates because of sided corona treatment etc. in the surface of light polarizing film 11 after sided corona treatment, diaphragm 12, and it is attached to deflector roll 16a, 16b after the sided corona treatment.Therefore, in the present embodiment, with light polarizing film 11, diaphragm 12 after the mode that the back side of the surface opposite that is activated by sided corona treatment contacts with deflector roll 16a, 16b after the sided corona treatment is carried sided corona treatment.
Then, will fit by pair of right and left doubling roller 17a, 17b each other by the mutual surface that sided corona treatment is activated, and collect along the arrow E direction and make polarizer 13.Should illustrate that the layer structure of this polarizer 13 is to be fitted with 2 layers of structure that diaphragm 12 forms on the surface of light polarizing film 11, but also can also fit diaphragm 12 and make 3-tier architecture at the back side of light polarizing film 11.
In addition, the applying of light polarizing film 11, diaphragm 12 for example can utilize that bonding agent, adhesive (contact adhesive) wait to carry out, and is not particularly limited.
Below, the present invention is described in detail to enumerate embodiment, but the present invention has more than and is limited to following embodiment.
Embodiment
Use the corona treatment plant l shown in the above-mentioned figure l to come sided corona treatment has been carried out on the surface of film (by the sided corona treatment thing) 10.Then, visualization has or not the crystalloid foreign matter to be attached to film (by the sided corona treatment thing) 10 and estimates.Structure, film (by the sided corona treatment thing) 10 and the sided corona treatment condition of employed corona treatment plant 1 below are shown, and it be the results are shown in table l.
(structure of corona treatment plant l)
Electrode hood 4: transparent acrylic resin manufacturing
The direction of the peristome 4c of electrode hood 4: towards oblique upper (with reference to figure 2(b))
(film (by the sided corona treatment thing) 10 and sided corona treatment condition)
Film (by the sided corona treatment thing) 10: the film that light polarizing film, cycloolefin film and the cellulose triacetate film that has the predetermined process amount separately continued and form
Sided corona treatment intensity 600W
Treating capacity 49654m
[comparative example]
Except the direction with the peristome 4c of electrode hood 4 is made as towards below (with reference to figure 3(b)), treating capacity is made as the 49747m, to carrying out sided corona treatment in the surface of film (by the sided corona treatment thing) 10, visualization has or not the crystalloid foreign matter to be attached to film (by the sided corona treatment thing) 10 and estimates with above-described embodiment is same.It is the results are shown in table 1.
Table 1
| ? | The |
Treating capacity | Have or not adhering to of crystalloid foreign matter |
| Embodiment | Towards oblique upper | 49654m | Do not have |
| Comparative example | Towards the below | 49747m | Have |
As shown in Table 1, the direction of the peristome 4c of electrode hood 4 is compared towards the embodiment of oblique upper with the direction that makes peristome 4c towards the comparative example of below, can be implemented sided corona treatment steadily in the long term.
Symbol description
1 corona treatment plant
2 sparking electrodes
3 ground connection rollers
4 electrode hoods
4a one end face
The 4b other end
The 4c peristome
The 4d side
5 electrode holders
6 blast pipes
10 films (by the sided corona treatment thing)
11 light polarizing film
12 diaphragms
13 polarizers
Deflector roll before 15a, the 15b sided corona treatment
Deflector roll after 16a, the 16b sided corona treatment
17a, 17b doubling roller
Claims (8)
1. sided corona treatment method, for the surface of film being carried out the method for sided corona treatment, this method possesses following operation:
Between sparking electrode and ground connection roller, produce the operation of corona discharge: and
Under described corona discharge, make film in the mobile operation of described ground connection roller,
Wherein, described sparking electrode is covered by electrode hood,
Described electrode hood has peristome in described ground connection roller side,
The peristome of described electrode hood is towards horizontal, oblique upper or top.
2. method according to claim 1, wherein, at least one in described sparking electrode, described ground connection roller and the described electrode hood has the corrosion resistance parts.
3. method according to claim 1 and 2, wherein, the surface of at least one in described sparking electrode, described ground connection roller and the described electrode hood is subjected to corrosion-resistance treatment.
4. according to each described method in the claim 1 to 3, wherein, the gas in the space that is surrounded by described electrode hood carries out exhaust by blast pipe, and the surface that described blast pipe has corrosion resistance parts or described blast pipe is subjected to corrosion-resistance treatment.
5. according to each described method in the claim 1 to 4, wherein, described sparking electrode is kept by electrode holder, and the surface that described electrode holder has corrosion resistance parts or described electrode holder is subjected to corrosion-resistance treatment.
6. according to each described method in the claim 1 to 5, wherein, described electrode hood is transparent.
7. according to each described method in the claim 1 to 6, wherein, described film is to be selected from least a in blooming and the diaphragm.
8. according to each described method in the claim 1 to 7, wherein, the length of described film is more than 1 myriametre.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610884117.XA CN107041060B (en) | 2011-02-03 | 2012-01-30 | Corona treatment process |
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| Application Number | Priority Date | Filing Date | Title |
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| JP2011021461A JP5787306B2 (en) | 2011-02-03 | 2011-02-03 | Corona treatment method |
| JP2011-021461 | 2011-02-03 | ||
| PCT/JP2012/052005 WO2012105503A1 (en) | 2011-02-03 | 2012-01-30 | Corona treatment method |
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| CN201610884117.XA Division CN107041060B (en) | 2011-02-03 | 2012-01-30 | Corona treatment process |
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| CN103338856A true CN103338856A (en) | 2013-10-02 |
| CN103338856B CN103338856B (en) | 2016-11-09 |
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| CN201610884117.XA Active CN107041060B (en) | 2011-02-03 | 2012-01-30 | Corona treatment process |
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| CN201610884117.XA Active CN107041060B (en) | 2011-02-03 | 2012-01-30 | Corona treatment process |
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| Country | Link |
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| JP (1) | JP5787306B2 (en) |
| KR (2) | KR102137918B1 (en) |
| CN (2) | CN103338856B (en) |
| TW (1) | TWI601618B (en) |
| WO (1) | WO2012105503A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108705788A (en) * | 2018-05-24 | 2018-10-26 | 金凌印刷（苏州）有限公司 | A kind of material surface processing unit |
| CN110997127A (en) * | 2017-08-09 | 2020-04-10 | 春日电机株式会社 | Surface modification device |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101713864B1 (en) * | 2016-10-13 | 2017-03-09 | 주식회사 포스텍 | Manufacturing apparatus for easy-peel film |
| JP7309843B2 (en) * | 2017-03-03 | 2023-07-18 | 住友化学株式会社 | Method for manufacturing optical film raw roll and method for manufacturing optical member sheet |
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| JPH01246540A (en) * | 1988-03-28 | 1989-10-02 | Konica Corp | Method for removing ozone in corona discharge treatment |
| JP2004103289A (en) * | 2002-09-05 | 2004-04-02 | Kasuga Electric Works Ltd | Electrode structure for corona treatment |
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| JP3427130B2 (en) * | 1993-12-17 | 2003-07-14 | 藤森工業株式会社 | Method of laminating pressure-sensitive adhesive layer for attaching polarizing plate or retardation plate |
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| CH693665A5 (en) * | 1998-11-13 | 2003-12-15 | Mitsubishi Electric Corp | Discharge surface treating method comprises generating a pulsating discharge between an object to be surface treated and a discharge electrode containing a corrosion resistant material, e.g. chromium, in a working fluid |
| JP2001290338A (en) * | 2000-04-04 | 2001-10-19 | Canon Inc | Electrophotographic device |
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| JP4208870B2 (en) * | 2005-10-05 | 2009-01-14 | 春日電機株式会社 | Surface treatment equipment for long objects such as films |
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- 2012-01-30 KR KR1020197012871A patent/KR102137918B1/en active IP Right Grant
- 2012-01-30 CN CN201280006992.8A patent/CN103338856B/en not_active Ceased
- 2012-01-30 KR KR1020137021183A patent/KR20140004712A/en active Search and Examination
- 2012-01-30 CN CN201610884117.XA patent/CN107041060B/en active Active
- 2012-01-30 WO PCT/JP2012/052005 patent/WO2012105503A1/en active Application Filing
- 2012-02-01 TW TW101103202A patent/TWI601618B/en active
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| JPH01246540A (en) * | 1988-03-28 | 1989-10-02 | Konica Corp | Method for removing ozone in corona discharge treatment |
| JP2004103289A (en) * | 2002-09-05 | 2004-04-02 | Kasuga Electric Works Ltd | Electrode structure for corona treatment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110997127A (en) * | 2017-08-09 | 2020-04-10 | 春日电机株式会社 | Surface modification device |
| CN110997127B (en) * | 2017-08-09 | 2021-12-21 | 春日电机株式会社 | Surface modification device |
| CN108705788A (en) * | 2018-05-24 | 2018-10-26 | 金凌印刷（苏州）有限公司 | A kind of material surface processing unit |
| CN108705788B (en) * | 2018-05-24 | 2020-05-05 | 金凌印刷（苏州）有限公司 | Material surface treatment device |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201236843A (en) | 2012-09-16 |
| JP5787306B2 (en) | 2015-09-30 |
| WO2012105503A1 (en) | 2012-08-09 |
| CN103338856B (en) | 2016-11-09 |
| CN107041060B (en) | 2019-08-23 |
| KR20190053277A (en) | 2019-05-17 |
| KR20140004712A (en) | 2014-01-13 |
| TWI601618B (en) | 2017-10-11 |
| JP2012161703A (en) | 2012-08-30 |
| KR102137918B1 (en) | 2020-07-24 |
| CN107041060A (en) | 2017-08-11 |
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