CN1671482A - Method of forming coating - Google Patents
Method of forming coating Download PDFInfo
- Publication number
- CN1671482A CN1671482A CNA038177862A CN03817786A CN1671482A CN 1671482 A CN1671482 A CN 1671482A CN A038177862 A CNA038177862 A CN A038177862A CN 03817786 A CN03817786 A CN 03817786A CN 1671482 A CN1671482 A CN 1671482A
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- Prior art keywords
- coating
- filming
- parameter
- manufacture method
- shower nozzle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/26—Processes for applying liquids or other fluent materials performed by applying the liquid or other fluent material from an outlet device in contact with, or almost in contact with, the surface
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/26—Processes for applying liquids or other fluent materials performed by applying the liquid or other fluent material from an outlet device in contact with, or almost in contact with, the surface
- B05D1/265—Extrusion coatings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
- B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
- B05C5/0254—Coating heads with slot-shaped outlet
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- Application Of Or Painting With Fluid Materials (AREA)
- Optical Filters (AREA)
Abstract
A method of forming coating by applying paint on the surface of a substrate by using a slit die coater ferrule having a paint ejecting slit formed therein, characterized in that the coating is formed to have a capillary number (Ca) and a dimensionless film pressure (X) obtained by (T/t) where a coating gap is (T) and a wet film pressure is (t) set so as to satisfy either of the following expressions, Ca <= 0.0651X<-0.6669> (2) and Ca <= -0.0005Ln (X) + 0.0108 (3).
Description
Technical field
The present invention relates in accurate coating such as the dyed layer of colour filter or the resist coating of field of semiconductor manufacture, use the chill coating machine that aqueous coating is coated on substrate surface and forms the manufacture method of filming of filming.
Background technology
All the time, as on base material, forming the method for filming, be extensive use of spin coating method, excellent cladding process and roller cladding process etc.
Wherein, the method for using the rotation coating machine is the method that is widely used in the resist-coating of semiconductor wafer, can utilize to the surperficial central authorities of the coated material of the rotation coating that drips to form and film.In addition, utilize filming that this method obtains to be set at the coating that is suitable for this method by kind with coating, just can spread all over coated material four corner make the homogenization quite well of thickness precision.But the use amount that is used to obtain the coating of filming of specific thickness significantly increases, thereby uneconomical.In addition, coating is arranged attached to the edge part of coated material or the back side, the coating gelation of dispersing or the situation of curing in device, not good enough aspect the stability of operation, spatter property, the quality that therefore causes applying product reduces.
The method of using the roller coating machine is by roller coating to be transferred to method on the coated material, can carry out to long size coated material, be rolled into the coating on the coated material of web-like.But, consider the relation that coating transmits to application roll, coated material successively from base, it is longer that coating is exposed to the airborne time, and it is rotten to cause easily not only that thus moisture absorption, oxidation by coating causes, and is easy to generate sneaking into of foreign matter.Consequently, cause applying the quality reduction of product.
In addition, used the method for excellent coating machine to be to use method at rod wiry coating composition on coated material of having reeled thinner on the bar.In this method,, therefore the problem that adds lines easily on filming is arranged because the wire that is wound on the bar contacts with coated material.
Consider this kind problem, in recent years, proposed to use the metal mold cladding process of chill coating machine.In addition, the scheme that the chill coating machine is used for the manufacturing of colour filter also is published in the spy and opens that flat 5-11105 communique, spy are opened flat 5-142407 communique, the spy opens flat 6-339656 communique etc.
The metal mold coating machine is widely used in the thick film coating all the time, is coated with in the purposes of high viscosity coating continuously, using the metal mold coating machine to form under the situation that coated material films, as United States Patent (USP) the 4th, 230, No. 793, United States Patent (USP) the 4th, 696, No. 885, United States Patent (USP) the 2nd, shown in 761, No. 791, known have coating methods such as curtain coating flow method, extrusion molding, liquid pearl method.Wherein, described liquid pearl method is the slit ejection coating from the shower nozzle of being located at the chill coating machine, form at shower nozzle with between the coated material that keeps certain the compartment of terrain and relatively move and to be known as the coating that is coated with the feed liquid pearl and to be detained, under this state, be accompanied by moving of coated material and coating pulled out and form and film.In addition, if adopt the coating of the amount by will be identical with formed the amount that consumed by filming to supply with and form continuously the liquid pearl method of filming from slit, then formed filming just can be with the homogeneity of quite high precision realization thickness.In addition,, in addition, be sealed, therefore can prevent the sneaking into of rotten, foreign matter of coating, thereby the quality of filming of gained can be kept higher level until coating liquor charging path till the slit ejection owing to do not have the waste of coating basically.
But, the film of thickness when for example the major part of coated film is drying in the manufacturing of the colour filter that LCD is used below 10 μ m, when to apply this kind thinner film the time because the volume that is coated with the feed liquid pearl diminishes, the stable damaged possibility that therefore is coated with the feed liquid pearl is higher.Consequently, the uneven possibility that takes place of so-called travers that produces on the direction that meets at right angles with respect to the direct of travel of shower nozzle on the film coated surface uprises.
Therefore filming owing to can't be used for the high purposes of precision such as dyed layer of colour filter of the striped inequality that this kind produces from the teeth outwards wish to have the less manufacture method of filming of generation of this kind striped inequality.
Summary of the invention
The present invention finishes in view of described problem, is to use the chill coating machine to form the manufacture method of filming of filming at substrate surface, and purpose is, the manufacture method of filming of the few film coated surface that can obtain homogeneous of the generation of striped inequality is provided.
In order to reach described purpose, the present invention is to use the slit chill coating machine shower nozzle of the slit that is provided with coating ejection usefulness, at the substrate surface coating composition, forms the manufacture method of filming of filming, it is characterized in that,
When the dynamic viscosity with described coating is made as μ, the relative velocity of described base material and described shower nozzle is made as V, when the dynamic surface tension of described coating is made as σ, the capillary number (Ca) that obtains by following formula (1)
Ca=μ V/ σ (1) and
To be made as T as the coating clearance at the interval of the lower surface of described shower nozzle and described substrate surface, when the hygrometric state thickness during with the coating of filming was made as t, the dimension that is obtained by T/t was 1 thickness (X) by according to satisfying following formula (2)
Ca≤0.0651X
-0.6669?????????(2)
And following formula (3)
Ca≤-0.0005Ln(X)+0.0108????(3)
Any one mode set and form and film.
Among the present invention, owing to be under aforesaid condition, to use the metal mold coating machine to form the method for filming, therefore being coated with the feed liquid integument stably forms, consequently, just can suppress the travers inequality that causes by the disorder that is coated with the feed liquid pearl, promptly suppress the meet at right angles generation of the striped inequality that produces on the direction of direct of travel with the chill coating machine, thus just can be with good very level and smooth the filming in yield rate manufacturing surface.
On the other hand, the present invention also is provided at the manufacture method that forms the colour filter of dyed layer and light shield layer on the transparency carrier at least, it is characterized in that, uses manufacture method of filming recited above to form the one deck at least in the middle of described dyed layer and the light shield layer.
The manufacture method of colour filter of the present invention is owing to utilized described manufacture method of filming, therefore for example when using described manufacture method of filming to make dyed layer, just can have with good yield rate manufacturing on dyed layer surface striped inequality less, have a very colour filter of the high-quality dyed layer of the surface state of homogeneous.
Description of drawings
Fig. 1 is the summary section of an example of expression manufacture method of filming of the present invention.
Fig. 2 is the chart of the relation of expression parameter of manufacture method of filming of the present invention and surface state.
Fig. 3 is the chart of the relation of expression parameter of manufacture method of filming of the present invention and surface state.
Fig. 4 is the approximate three-dimensional map that the device of dynamic viscosity is measured in expression.
Fig. 5 is the general principal view that the device of dynamic surface tension is measured in expression.
The specific embodiment
To and use the manufacture method of its colour filter to describe respectively to manufacture method of filming of the present invention below.
The manufacture method of A. filming
The inventor etc. be conceived to by make on the lower surface of chill coating machine shower nozzle and substrate surface, form be coated with feed liquid pearl stabilisation, can reduce the uneven this point of the travers that on film coated surface, produce significantly, various researchs have been carried out to being used to make the condition that is coated with feed liquid pearl stabilisation, found that, by will be by the dynamic viscosity of coating, the capillary number of the relative velocity decision of the dynamic surface tension of coating and base material and chill coating machine, by the dimension as the coating spacing of the lower surface of chill coating machine and the distance between the base material and the hygrometric state thickness decision of filming is that 1 thickness is made as specific scope, the travers inequality is reduced significantly, thereby finished the present invention.
Below, for manufacture method of filming of the present invention, will use accompanying drawing to be elaborated.
Fig. 1 is the figure that expression utilizes an example of the state that manufacture method manufacturing of filming of the present invention films, and is to use to be provided with the slit chill coating machine shower nozzle 2 of coating ejection with slit 1, forms the figure of 4 the state of filming on base material 3.As shown in this example, filming when forming, between the lower surface 5 and base material 3 surfaces of shower nozzle 2, what form that the coating supplied with by slit 1 constitutes is coated with feed liquid pearl 6.By shower nozzle 2 and base material 3 are relatively moved, just form on base material 3 surfaces and to film 4, if but when this films 4 formation, the described shape instability that is coated with feed liquid pearl 6, then formed 4 the shape of filming will be unstable, consequently, and 4 the thickness of the filming heterogeneity that also becomes.Thus, on film coated surface, will produce aforesaid travers inequality.So, just need make the described dimensionally stableization that is coated with feed liquid pearl 6.
Among the present invention,, at first pay close attention to capillary number (Ca) as being used for the parameter that this kind is coated with the stabilisation of feed liquid pearl.
Capillary number (Ca) is the parameter by following formula (1) expression.
Ca＝μ·V/σ(1)
Here, μ represents the dynamic viscosity of coating, and V represents the relative velocity of base material and shower nozzle, and σ represents the dynamic surface tension of coating.In general, we can say that from the viewpoint of the stabilisation that is coated with the feed liquid pearl dynamic viscosity μ of coating is lower, and the dynamic surface tension σ of coating is higher, is desirable keeping the vpg connection that is coated with the feed liquid pearl then.In addition, the relative velocity V of base material and shower nozzle is slower, is desirable aspect the shape that is coated with the feed liquid pearl stable.So, in general, we can say that capillary number (Ca) is low more, then think with regard to unreasonable aspect feed liquid pearl stable being coated with.
In addition, as other parameter, the concern dimension is 1 thickness (X).This dimension is that 1 thickness (X) is the parameter by following formula (4) expression.
X＝T/t???(4)
Here, T is the coating spacing as the interval of the lower surface of slit chill coating machine shower nozzle and substrate surface, and t is the hygrometric state thickness of filming.
As shown in Figure 1, T＞t, and its difference is more little, then problem such as mangle is just few more, and thinks with regard to unreasonable keeping the vpg connection that is coated with the feed liquid pearl.So dimension is that the value of 1 thickness (X) is in general low more good more.
In addition, by this capillary number (Ca) is made as the longitudinal axis, be that 1 thickness (X) is made as transverse axis with dimension, various parameters are changed and form and film, the evaluation result after the summary is Fig. 2.And zero among Fig. 2 expression does not produce the travers inequality, △ represents to produce a spot of travers inequality, and * expression has produced the travers inequalities,
*Expression has mangle.Having or not of travers inequality is to film coated surface irradiation Na lamp, judges by visual its reverberation.
As mentioned above, the lower left, promptly capillary number and dimension are that 1 thickness is low more, and then the result is good more, and lower-left side that we can say two straight lines shown in Fig. 2 is suitable scope.If it is represented with formula, then be following formula (2) and (3), any one the capillary number of condition and the dimension that satisfies this two formula by employing is 1 thickness, just can reduce the travers inequality significantly.
Ca≤0.0651X
-0.6669??????????(2)
Ca≤-0.0005Ln(X)+0.0108????(3)
In addition, Fig. 3 is the figure that represents more suitable scope, and lower-left side that we can say two straight lines shown in Figure 3 is more suitable scope.If it is represented with formula, then be following formula (5) and (6), any one the capillary number of condition and the dimension that satisfies this two formula by employing is 1 thickness, just can further fully reduce the travers inequality.
Ca≤0.0403X
-0.6301??????????(5)
Ca≤-0.0006Ln(X)+0.008?????(6)
1. various parameters
Below, be that the various parameters of 1 thickness (X) describe to being used to calculate this capillary number (Ca) and dimension.
(capillary number)
At first, in order to obtain capillary number, be necessary to determine dynamic viscosity μ, the dynamic surface tension σ of coating of coating and the relative velocity of base material and shower nozzle.Below they are described.
A. the dynamic viscosity μ of coating
The dual drum type brake flow graph of dynamic viscosity use employing of coating of the present invention (the Rheometricscientific corporate system, trade name: ARES), with shear rate 100S
-1, the value measured of 23 ℃, liquid measure 10cc.The summary information slip of dual drum type brake flow graph is shown among Fig. 4.
As the coating that can be used for manufacture method of filming of the present invention, be following coating, that is, the higher limit of its dynamic viscosity is below 20mPas, and below the preferred 10mPas, lower limit is more than 1mPas, and is preferred more than 1.5.This is because in the present invention, during the coating of the dynamic viscosity in use has described scope, just can suppress the travers inequality effectively.
B. the dynamic surface tension σ of coating
The dynamic surface tension of coating of the present invention uses the value that adopts bubble air pressure dynamic surface tension instrument (trade name: BP-2, KRUSS corporate system) and measure.Condition determination is as follows.
Capillary diameter: φ 0.228mm
Measure temperature: 23 ℃
Liquid measure: 60cc
Surface lifetime: 10ms
Capillary impregnating depth: 10mm
Set density: 1.00g/cm
3
The summary information slip of bubble air pressure dynamic surface tension instrument is shown among Fig. 5.
As the coating that can be used for manufacture method of filming of the present invention, the coating that is preferably as follows, that is, the higher limit of its dynamic surface tension is below 72mN/m, and below the preferred 50mN/m, lower limit is more than 27mN/m, more than the preferred 30mN/m.This is because in the present invention, during the coating of the dynamic surface tension in use has described scope, just can suppress the travers inequality effectively.
C. coating speed V
So-called coating speed of the present invention is meant the relative velocity of slit chill coating machine shower nozzle and base material.As the coating speed that goes for manufacture method of filming of the present invention, preferably be made as in the scope of 0.01m/sec～0.50m/sec, especially preferably be made as in the scope of 0.05m/sec～0.20m/sec.This be because, therefore not ideal enough then owing to might aspect production efficiency, have problems when making coating speed be slower than described scope, if faster, then can't realize as process units than described scope.
(dimension is 1 thickness)
The dimension of using among the present invention be 1 thickness (X) as mentioned above, be the parameter of utilizing coating spacing T and hygrometric state thickness t to calculate.
A. be coated with spacing T
The coating spacing T that uses among so-called the present invention is meant from the lower surface of slit chill coating machine shower nozzle to the distance of substrate surface.
Among the present invention, consider that from the viewpoints such as stability that are coated with the feed liquid pearl this coating spacing T is necessary to adopt the bigger value than hygrometric state thickness t described later.
As the concrete scope of coating spacing T of the present invention, be in the scope of 50～300 μ m, especially preferably adopt in the scope of 70～200 μ m.When surpassing described scope, then be difficult to make the dimensionally stable that is coated with the feed liquid pearl usually, this be because, when less than described scope, because the problem of the precision of machinery is difficult to employing.
B. hygrometric state thickness t
Employed hygrometric state thickness t is meant among so-called the present invention, represents solid liquid interface the when solvent after the coating in soon the coating exists with the state before volatilizing and the distance between gas-liquid interface with the form that is coated in the coating spray volume/surface covered on the base material.
As the concrete scope of hygrometric state thickness t of the present invention, be in the scope of 5 μ m～50 μ m, wherein, in the scope of preferred especially 6 μ m～30 μ m.When less than described scope, the state that then is difficult to use homogeneous when surpassing described scope, then can't be used for the purposes with the homogeneity on high-precision requirement like this surface with surface filming usually.
(other parameter)
Among the present invention, by as mentioned above, be the mode that 1 thickness has specific relation, select the material of coating, and the parameter of adjusting device, just can obtain to have suppressed the filming of generation of travers inequalities according to making capillary number and dimension.So, though,, when numerical value has very big difference, just have the possibility that the generation of striped inequality etc. is impacted for other parameter to be that the relevant parameter of 1 thickness serves as that the chief examiner considers and gets final product with described capillary number and dimension.Below this kind parameter is described.
A. spray volume
From the spray volume of the coating of shower nozzle ejection owing to be the parameter that finally described hygrometric state thickness t is exerted an influence, therefore when this spray volume also be in the specific scope time, then can suppress the travers inequality.
Specifically, per unit length, the spray volume of the every 1cm of length that is the length direction of shower nozzle is in the scope of 0.1cc/min～10cc/min, particularly under the situation in the scope of 0.1cc/min～10cc/min, manufacture method of filming of the present invention will play a role suitably, can make filming of the generation that suppressed the travers inequalities.And described numerical value is applicable to that slit width (slit separation) is in the scope of 30～150 μ m, the inequality of the size of slit separation 10% with interior situation.
The dry state thickness of b. filming
It also is the parameter of the described hygrometric state thickness t of influence, is the parameter that forms the relation decision of branch concentration and hygrometric state thickness t by solid.Specifically, preferably in the scope of 0.5 μ m～5 μ m, in the scope of wherein preferred especially 1 μ m～3 μ m, the base material central portion and from the film thickness difference of the end 50mm area inside of filming preferably in ± 5%.This is because during the manufacturing of filming in carrying out described scope, just can obtain travers inequality inhibitory action of the present invention effectively.
2. the manufacture method of filming
Though the present invention is by using described parameter according to the mode adjustment of satisfying specific relation, make few especially the filming of travers inequality, but this manufacture method of filming is the method for utilizing the chill coating machine to finish specifically, it is the slit chill coating machine shower nozzle that is provided with the slit of coating ejection usefulness by use, at the substrate surface coating composition, forming films finishes.
A. slit chill coating machine shower nozzle
Employed slit chill coating machine shower nozzle is not particularly limited on its shape or material etc. among the present invention, so long as can control the shower nozzle of spray volume accurately, no matter is that the shower nozzle of which kind of kind or shape can use.
Specifically, for example as shown in Figure 1, can enumerate by anterior lip 7 and posterior lip 8 and constitute and be formed with shower nozzle of slit 1 etc. betwixt.At this moment, coating is supplied with to manifold 9 (manifold) by diagram pump slightly, through slit 1 and to base material 3 surface ejections.
In addition, the pump as coating is supplied with to this kind slit chill coating machine shower nozzle so long as double diaphragm pump or pipeline membrane pump, injecting type pump etc. are generally used for the pump in the metal mold cladding process, just can use, and is not particularly limited.
B. base material
As forming the base material film among the present invention,, can select to use base materials such as glass substrate, transparent resin substrate according to purposes so long as the material of supplying with and having certain flatness on the surface with single sheet type just is not particularly limited.
C. coating
About employed coating among the present invention,, just be not particularly limited so long as can satisfy coating about the relation of described parameter.In general, though be to be dissolved with the material that solid formation divides in solvent, being not limited thereto, also can be the coating that contains more monomer component and make it the type of polymerizing curable after coating.
Specifically, the dyed layer that can enumerate colour filter described later forms with coating, various resist with coating etc.
D. other
In manufacture method of filming of the present invention,, also can after finishing, the coating that utilizes the metal mold cladding process apply the following low speed rotation of 500rpm for the smoothing of the end of filming.In addition, equally for the smoothing of the end of filming, also can carry out optimization back suction (suck back).
B. the manufacture method of colour filter
The manufacture method of colour filter of the present invention is the manufacture method that forms the colour filter that dyed layer and light shield layer form on transparency carrier at least, it is characterized in that the one deck at least in the middle of described dyed layer and the described light shield layer is to use described manufacture method of filming to form.
Usually; colour filter is on transparency carrier, has the light shield layer that is called as black matrix, the peristome of this light shield layer is had the dyed layer of the painted pixel of redness (R), green (G), blue (B) 3 primary colors, the member of the protective layer that is provided with as required as painted pixel.By when forming this dyed layer and light shield layer, using described manufacture method of filming, just can form the colour filter that for example has the very good dyed layer of surface smoothing with good yield rate.And, among the present invention, for as required described and protective layer that be provided with preferably also utilizes described manufacture method of filming to form, thereby can obtain the protective layer of surface state homogeneous.
In addition; utilize the colour filter that the manufacture method of colour filter of the present invention obtains owing to be to have the colour filter that utilizes dyed layer, light shield layer or protective layer that aforesaid manufacture method of filming obtains; therefore just can eliminate the waste of material aspect, and become the high-quality colour filter of the generation that has suppressed the striped inequality significantly.
Employed transparent base in the manufacture method about colour filter of the present invention is so long as employed material in the common colour filter just is not particularly limited.In addition, the composition of the coating when utilizing described manufacture method of filming to form dyed layer or light shield layer is so long as in the scope of described various parameters, can use employed any material usually.In addition,,, just be not particularly limited, can use various members according to purposes etc. so long as be formed at the member on the general colour filter for being formed at other member such as transparency electrode on the colour filter.
And the present invention is not limited to described embodiment.Described embodiment is exemplary, has the identical in essence formation of the technological thought described in the scope with technical scheme of the present invention and serves the same role the mode of effect, and no matter be which kind of mode, all be contained in the technical scope of the present invention.
[embodiment]
To enumerate embodiment below, the present invention will be further specified.
Use the alkali-free glass (day GLASSOA-10) of substrate sizes, in addition, use diaphragm pump as constant displacement pump as 550mm * 650mm * 0.7mm.In addition, the width with the span direction of the ejiction opening of slit front end is made as 540mm.
The central portion of shower nozzle front end is stopped on the position of glass substrate end 10mm, the interval is made as 40 μ m, the ejection speed ejection coating 0.3～1.0sec with 0.01～0.03L/min has formed and has been coated with the feed liquid pearl.And, for the composition of coating, as follows.
Then, substrate transferring speed is set arbitrarily between 15mm/sec～180mm/sec, will be sprayed speed and between 0.01～0.03L/min, set arbitrarily, the coating blowoff is risen along Z-direction, the point place that reaches 40 μ m～200 μ m in the coating spacing stops to rise, as normal coating state.
Then, on the position of the substrate end 10mm that finishes side from coating, stop the ejection of coating, the coating blowoff is risen along Z-direction, finish coating.
After the coated substrate with gained is dried to the decompression intraventricular pressure to show 93Pa temporarily with the chemical dry-type pump till, on baking tray,, obtained filming with 80 ℃ of calcinings of carrying out 30 minutes.
Here, change the parameter of coating side and the parameter of device side, as shown in Figure 2, having obtained with various capillary numbers and dimension is the corresponding data of value of 1 thickness.
Specifically, in the coating side, solid formation branch concentration by making coating changes with 6 levels of 16.4 quality %, 18.8 quality %, 19.9 quality %, 24 quality %, 24.8 quality %, 29.6 quality % and 34 quality %, and dynamic viscosity and dynamic surface tension are changed with 6 levels.In addition, parameter as device side, coating speed changes in the scope of 15mm/sec～180mm/sec, the hygrometric state thickness changes in the scope of 5.06 μ m～28.58 μ m, and coating spacing in the scope of 40 μ m～200 μ m (these 5 levels of 40 μ m, 80 μ m, 100 μ m, 150 μ m and 200 μ m) changes.
The composition of coating is expressed as follows.
＜coating forms 1: divide concentration 24.8 quality % Gu form 〉
Propylene glycol monomethyl ether acetate: 35.62 weight portions
3-methoxyl group butylacetic acid ester: 39.39 weight portions
Pigment: 6.2 weight portions
(pigment?red254，pigment?yellow?138)
Alkali-soluble acrylic polymer: 7.8 weight portions
(mean molecule quantity: 10000, acid value: 60)
Photopolymerization monomer: 5.2 weight portions
(dipentaerythritol five acrylate)
Photoepolymerizationinitiater initiater: 2.5 mass parts
(2-methyl isophthalic acid-[4-(methyl mercapto) phenyl]-2-morpholino acetone (morpholinopropanone)-1)+(diethylamino benzophenone)
Pigment dispersing agent: 3.1 weight portions
(BIGCHEMI Co., Ltd. system, Disperbyk161)
＜coating forms 2: divide concentration 19.9 quality % Gu form 〉
Propylene glycol monomethyl ether acetate: 38.04 weight portions
3-methoxyl group butylacetic acid ester: 42.06 weight portions
Pigment: 5.0 weight portions
(pigment?red254，pigment?yellow?138)
Alkali-soluble acrylic polymer: 6.3 weight portions
(mean molecule quantity: 10000, acid value: 60)
Photopolymerization monomer: 4.2 weight portions
(dipentaerythritol five acrylate)
Photoepolymerizationinitiater initiater: 2.0 mass parts
(2-methyl isophthalic acid-[4-(methyl mercapto) phenyl]-2-morpholino acetone-1)+(diethylamino benzophenone)
Pigment dispersing agent: 2.5 weight portions
(BIGCHEMI Co., Ltd. system, Disperbyk161)
＜coating forms 3: divide concentration 16.4 quality % Gu form 〉
Propylene glycol monomethyl ether acetate: 39.70 weight portions
3-methoxyl group butylacetic acid ester: 43.90 weight portions
Pigment: 4.1 weight portions
(pigment?red?254，pigment?yellow?138)
Alkali-soluble acrylic polymer: 5.2 weight portions
(mean molecule quantity: 10000, acid value: 60)
Photopolymerization monomer: 3.4 weight portions
(dipentaerythritol five acrylate)
Photoepolymerizationinitiater initiater: 1.7 mass parts
(2-methyl isophthalic acid-[4-(methyl mercapto) phenyl]-2-morpholino acetone-1)+(diethylamino benzophenone)
Pigment dispersing agent: 2.1 weight portions
(BIGCHEMI Co., Ltd. system, Disperbyk161)
＜coating forms 4: divide concentration 24 quality % Gu form 〉
Propylene glycol monomethyl ether acetate: 36.09 weight portions
3-methoxyl group butylacetic acid ester: 39.91 weight portions
Pigment: 6.0 weight portions
(pigment?red254，pigment?yellow?138)
Alkali-soluble acrylic polymer: 7.5 weight portions
(mean molecule quantity: 10000, acid value: 60)
Photopolymerization monomer: 5.0 weight portions
(dipentaerythritol five acrylate)
Photoepolymerizationinitiater initiater: 2.4 mass parts
(2-methyl isophthalic acid-[4-(methyl mercapto) phenyl]-2-morpholino acetone-1)+(diethylamino benzophenone)
Pigment dispersing agent: 3.0 weight portions
(BIGCHEMI Co., Ltd. system, Disperbyk161)
＜coating forms 5: divide concentration 34 quality % Gu form 〉
Propylene glycol monomethyl ether acetate: 31.34 weight portions
3-methoxyl group butylacetic acid ester: 34.66 weight portions
Pigment: 8.5 weight portions
(pigment?red?254，pigment?yellow?138)
Alkali-soluble acrylic polymer: 10.7 weight portions
(mean molecule quantity: 10000, acid value: 60)
Photopolymerization monomer: 7.1 weight portions
(dipentaerythritol five acrylate)
Photoepolymerizationinitiater initiater: 3.4 mass parts
(2-methyl isophthalic acid-[4-(methyl mercapto) phenyl]-2-morpholino acetone-1)+(diethylamino benzophenone)
Pigment dispersing agent: 4.2 weight portions
(BIGCHEMI Co., Ltd. system, Disperbyk161)
＜coating forms 6: divide concentration 18.8 quality % Gu form 〉
Propylene glycol monomethyl ether acetate: 38.14 weight portions
3-methoxyl group butylacetic acid ester: 43.06 weight portions
Pigment: 4.7 weight portions
(pigment?red254，pigment?yellow?138)
Alkali-soluble acrylic polymer: 6.3 weight portions
(mean molecule quantity: 10000, acid value: 60)
Photopolymerization monomer: 3.9 weight portions
(dipentaerythritol five acrylate)
Photoepolymerizationinitiater initiater: 1.6 mass parts
(2-methyl isophthalic acid-[4-(methyl mercapto) phenyl]-2-morpholino acetone-1)+(diethylamino benzophenone)
Pigment dispersing agent: 2.4 weight portions
(BIGCHEMI Co., Ltd. system, Disperbyk161)
To being that the state of the travers inequality of the corresponding film coated surface of the value of 1 thickness utilizes described evaluation method with various capillary number and dimension like this, be visual the evaluation, with do not produce the travers inequality as zero, with produce a spot of travers inequality as △, with produced the travers inequalities as *, with produced mangle as
*
The results are shown among table 1, table 2 and Fig. 2.
And the evaluation of the Na lamp reflection in the table and the evaluation that white sees through are to carry out according to following benchmark.
(reflection of Na lamp)
◎: good
Zero: some lines are arranged
△: lines are arranged
*: the generation coating is bad
(white sees through)
Zero: good
△: some lines are arranged
*: the generation coating is bad
Table 1
| Photosensitive material | Viscosity (mPas) | Dynamic surface tension (mN/m) | Coating speed (mm/sec) | Thickness of liquid film (μ m) | Coating spacing (μ m) | Dimension is 1 thickness | The Ca number | The reflection of fine finishining Na lamp | Fine finishining white sees through | |
| Coating 1 solid formation divided concentration 24.8% | Parameter 1 | ????4.5 | ????30.87 | ????20 | ????16.03 | ????100 | ????6.24 | ????0.00292 | ????◎ | ????○ |
| Parameter 2 | ????4.5 | ????30.87 | ????40 | ????8.01 | ????100 | ????12.48 | ????0.00583 | ????◎ | ????○ | |
| Parameter 3 | ????4.5 | ????30.87 | ????65 | ????4.93 | ????100 | ????20.28 | ????0.00948 | ????× | ????× | |
| Parameter 4 | ????4.5 | ????30.87 | ????30 | ????16.03 | ????100 | ????6.24 | ????0.00437 | ????× | ????× | |
| Parameter 5 | ????4.5 | ????30.87 | ????65 | ????7.4 | ????100 | ????13.51 | ????0.00948 | ????△ | ????○ | |
| Parameter 6 | ????4.5 | ????30.87 | ????95 | ????5.06 | ????100 | ????19.76 | ????0.01385 | ????× | ????× | |
| Parameter 7 | ????4.5 | ????30.87 | ????40 | ????16.03 | ????100 | ????6.24 | ????0.00583 | ????× | ????× | |
| Parameter 8 | ????4.5 | ????30.87 | ????85 | ????7.54 | ????100 | ????13.26 | ????0.01239 | ????× | ????× | |
| Coating 2 solid formation are divided concentration 19.9% | Parameter 1 | ????3.6 | ????29.82 | ????15 | ????21.37 | ????100 | ????4.68 | ????0.00181 | ????◎ | ????○ |
| Parameter 2 | ????3.6 | ????29.82 | ????35 | ????9.16 | ????100 | ????10.92 | ????0.00423 | ????○ | ????○ | |
| Parameter 3 | ????3.6 | ????29.82 | ????50 | ????6.41 | ????100 | ????15.60 | ????0.00604 | ????○ | ????○ | |
| Parameter 4 | ????3.6 | ????29.82 | ????50 | ????9.62 | ????100 | ????10.40 | ????0.00604 | ????○ | ????○ | |
| Parameter 5 | ????3.6 | ????29.82 | ????74.8 | ????6.41 | ????100 | ????15.60 | ????0.00903 | ????△ | ????△ | |
| Parameter 6 | ????3.6 | ????29.82 | ????35 | ????18.32 | ????100 | ????5.46 | ????0.00423 | ????◎ | ????○ | |
| Parameter 7 | ????3.6 | ????29.82 | ????64.7 | ????9.86 | ????100 | ????10.14 | ????0.00781 | ????○ | ????○ | |
| Parameter 8 | ????3.6 | ????29.82 | ????100 | ????6.41 | ????100 | ????15.60 | ????0.01207 | ????× | ????× | |
| Parameter 9 | ????3.6 | ????29.82 | ????45 | ????14.25 | ????100 | ????7.02 | ????0.00543 | ????◎ | ????○ | |
| Coating 3 solid formation are divided concentration 16.4% | Parameter 1 | ????2.8 | ????29.39 | ????15 | ????21.37 | ????100 | ????4.68 | ????0.00145 | ????◎ | ????○ |
| Parameter 2 | ????2.8 | ????29.39 | ????45 | ????7.12 | ????100 | ????14.04 | ????0.00435 | ????◎ | ????○ | |
| Parameter 3 | ????2.8 | ????29.39 | ????20 | ????24.04 | ????100 | ????4.16 | ????0.00193 | ????◎ | ????○ | |
| Parameter 4 | ????2.8 | ????29.39 | ????40 | ????12.02 | ????100 | ????8.32 | ????0.00387 | ????◎ | ????○ | |
| Parameter 5 | ????2.8 | ????29.39 | ????65 | ????7.4 | ????100 | ????13.51 | ????0.00628 | ????○ | ????○ | |
| Parameter 6 | ????2.8 | ????29.39 | ????30 | ????21.37 | ????100 | ????4.68 | ????0.00290 | ????◎ | ????○ | |
| Parameter 7 | ????2.8 | ????29.39 | ????55 | ????11.66 | ????100 | ????8.58 | ????0.00532 | ????◎ | ????○ | |
| Parameter 8 | ????2.8 | ????29.39 | ????85 | ????7.54 | ????100 | ????13.26 | ????0.00821 | ????△ | ????○ |
Table 2
| Photosensitive material | Viscosity (mPas) | Dynamic surface tension (mN/m) | Coating speed (mm/sec) | Thickness of liquid film (μ m) | Coating spacing (μ m) | Dimension is 1 thickness | The Ca number | The reflection of fine finishining Na lamp | Fine finishining white sees through | |
| Coating 4 solid formation are divided concentration 24% | Parameter 1 | ????6.9 | ????32.27 | ????38 | ????20.31 | ????100 | ????4.92 | ??0.00813 | ????◎ | ????○ |
| Parameter 2 | ????6.9 | ????32.27 | ????27 | ????28.58 | ????100 | ????3.50 | ??0.00578 | ????◎ | ????○ | |
| Parameter 3 | ????6.9 | ????32.27 | ????53 | ????20.38 | ????100 | ????4.91 | ??0.01135 | ????○ | ????○ | |
| Parameter 4 | ????6.9 | ????32.27 | ????45 | ????24.01 | ????100 | ????4.17 | ??0.00963 | ????◎ | ????○ | |
| Parameter 5 | ????6.9 | ????32.27 | ????38 | ????28.43 | ????100 | ????3.52 | ??0.00813 | ????◎ | ????○ | |
| Parameter 6 | ????6.9 | ????32.27 | ????69 | ????20.13 | ????100 | ????4.97 | ??0.01477 | ????△ | ????○ | |
| Parameter 7 | ????6.9 | ????32.27 | ????58 | ????23.95 | ????100 | ????4.18 | ??0.01242 | ????◎ | ????○ | |
| Parameter 8 | ????6.9 | ????32.27 | ????49 | ????28.34 | ????100 | ????3.53 | ??0.01049 | ????○ | ????○ | |
| Parameter 9 | ????6.9 | ????32.27 | ????35 | ????13.74 | ????40 | ????2.91 | ??0.00749 | ????◎ | ????○ | |
| Parameter 10 | ????6.9 | ????32.27 | ????45 | ????10.68 | ????40 | ????3.74 | ??0.00963 | ????◎ | ????○ | |
| Parameter 11 | ????6.9 | ????32.27 | ????60 | ????7.40 | ????40 | ????5.41 | ??0.01259 | ????◎ | ????○ | |
| Parameter 12 | ????6.9 | ????32.27 | ????45 | ????10.68 | ????40 | ????3.74 | ??0.00963 | ????◎ | ????○ | |
| Parameter 13 | ????6.9 | ????32.27 | ????60 | ????7.40 | ????200 | ????27.04 | ??0.01284 | ????× | ????× | |
| Parameter 14 | ????6.9 | ????32.27 | ????60 | ????7.40 | ????100 | ????13.52 | ??0.01284 | ????× | ????× | |
| Parameter 15 | ????6.9 | ????32.27 | ????75 | ????10.68 | ????40 | ????3.74 | ??0.01606 | ????◎ | ????○ | |
| Parameter 16 | ????6.9 | ????32.27 | ????65 | ????12.33 | ????40 | ????3.24 | ??0.01391 | ????◎ | ????○ | |
| Parameter 17 | ????6.9 | ????32.27 | ????90 | ????14.98 | ????80 | ????5.34 | ??0.01927 | ????△ | ????○ | |
| Parameter 18 | ????6.9 | ????32.27 | ????90 | ????16.13 | ????80 | ????4.96 | ??0.01927 | ????△ | ????○ | |
| Parameter 19 | ????6.9 | ????32.27 | ????90 | ????17.29 | ????80 | ????4.63 | ??0.01927 | ????△ | ????○ | |
| Parameter 20 | ????6.9 | ????32.27 | ????90 | ????18.76 | ????80 | ????4.27 | ??0.01927 | ????△ | ????○ | |
| Parameter 21 | ????6.9 | ????32.27 | ????90 | ????20.13 | ????80 | ????3.97 | ??0.01927 | ????△ | ????○ | |
| Coating 5 solid formation are divided concentration 34% | Parameter 1 | ????15.4 | ????34.24 | ????35 | ????9.16 | ????40 | ????4.37 | ??0.01573 | ????△ | ????○ |
| Parameter 2 | ????15.4 | ????34.24 | ????35 | ????9.16 | ????100 | ????10.92 | ??0.01573 | ????× | ????× | |
| Parameter 3 | ????15.4 | ????34.24 | ????40 | ????8.01 | ????100 | ????12.48 | ??0.01798 | ????◎ | ????○ | |
| Parameter 4 | ????15.4 | ????34.24 | ????45 | ????7.12 | ????100 | ????14.04 | ??0.02022 | ????× | ????× | |
| Parameter 5 | ????15.4 | ????34.24 | ????20 | ????16.03 | ????40 | ????2.50 | ??0.00899 | ????◎ | ????○ | |
| Parameter 6 | ????15.4 | ????34.24 | ????20 | ????16.03 | ????100 | ????6.24 | ??0.00899 | ????◎ | ????○ | |
| Parameter 7 | ????15.4 | ????34.24 | ????30 | ????10.68 | ????40 | ????3.74 | ??0.01348 | ????◎ | ????○ | |
| Coating 6 solid formation are divided concentration 18.8% | Parameter 1 | ????3.8 | ????29.60 | ????90 | ????10.90 | ????80 | ????7.34 | ??0.01155 | ????△ | ????○ |
| Parameter 2 | ????3.8 | ????29.60 | ????120 | ????10.90 | ????80 | ????7.34 | ??0.01541 | ????△ | ????○ | |
| Parameter 3 | ????3.8 | ????29.60 | ????180 | ????10.90 | ????50 | ????4.59 | ??0.02311 | ????△ | ????○ | |
| Parameter 4 | ????3.8 | ????29.60 | ????180 | ????10.90 | ????150 | ????13.76 | ??0.02311 | ????× | ????× |
Claims (2)
1. a manufacture method of filming is to use to be provided with the slit chill coating machine shower nozzle that coating sprays the slit of usefulness, at the substrate surface coating composition, forms the manufacture method of filming of filming, it is characterized in that,
When the dynamic viscosity with described coating is made as μ, the relative velocity of described base material and described shower nozzle is made as V, when the dynamic surface tension of described coating is made as σ, the capillary number (Ca) that obtains by following formula (1)
Ca=μ V/ σ (1) and
To be made as T as the coating clearance at the interval of the lower surface of described shower nozzle and described substrate surface, when the hygrometric state thickness during with the coating of filming was made as t, the dimension that is obtained by T/t was 1 thickness (X) by according to satisfying following formula (2)
Ca≤0.0651X
-0.6669????(2)
And following formula (3)
Ca≤-0.0005Ln(X)+0.0108????(3)
In any one mode set and form and film.
2. the manufacture method of a colour filter, it is the manufacture method that on transparency carrier, forms the colour filter that dyed layer and light shield layer form at least, it is characterized in that, use aforesaid right to require the manufacture method of filming described in 1 to form the one deck at least in the middle of described dyed layer and the light shield layer.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP218879/2002 | 2002-07-26 | ||
| JP2002218879 | 2002-07-26 |
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| Publication Number | Publication Date |
|---|---|
| CN1671482A true CN1671482A (en) | 2005-09-21 |
| CN100377794C CN100377794C (en) | 2008-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB038177862A Expired - Lifetime CN100377794C (en) | 2002-07-26 | 2003-07-25 | Method of forming coating |
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|---|---|
| JP (2) | JP4348134B2 (en) |
| KR (1) | KR100652154B1 (en) |
| CN (1) | CN100377794C (en) |
| TW (1) | TW590808B (en) |
| WO (1) | WO2004011157A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103056066A (en) * | 2011-09-01 | 2013-04-24 | 富士胶片株式会社 | Coating device and manufacturing method of film possessing multiple membranes |
| CN105549276A (en) * | 2016-03-08 | 2016-05-04 | 武汉华星光电技术有限公司 | Coating method for frame sealing glue |
| CN108290177A (en) * | 2015-11-19 | 2018-07-17 | 住友电气工业株式会社 | The method of coating unit and production coated sheet |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP4725122B2 (en) * | 2004-02-16 | 2011-07-13 | 三菱化学株式会社 | Curable resin composition, color filter, and liquid crystal display device |
| JP2006305548A (en) * | 2005-03-31 | 2006-11-09 | Toppan Printing Co Ltd | Coating applicator and method for applying coating liquid |
| JP4784244B2 (en) * | 2005-10-04 | 2011-10-05 | 凸版印刷株式会社 | Manufacturing method of color filter |
| WO2008013031A1 (en) * | 2006-07-27 | 2008-01-31 | Mitsubishi Chemical Corporation | Curable composition, cured object, color filter, and liquid-crystal display |
| WO2010131580A1 (en) * | 2009-05-09 | 2010-11-18 | コニカミノルタホールディングス株式会社 | Coating method and organic electronic element |
| JP5732786B2 (en) * | 2010-03-30 | 2015-06-10 | 東レ株式会社 | Method for producing optical polyester film |
| JP6048428B2 (en) * | 2014-03-04 | 2016-12-21 | トヨタ自動車株式会社 | Forming method of coating film |
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| JP3282062B2 (en) * | 1994-12-16 | 2002-05-13 | コニカ株式会社 | Application method |
| US5506000A (en) * | 1995-02-02 | 1996-04-09 | Minnesota Mining And Manufacturing Company | Slot coating method and apparatus |
| JP2644457B2 (en) * | 1995-03-10 | 1997-08-25 | 中外炉工業株式会社 | Coating method on glass substrate by die coater |
| JP2957012B2 (en) * | 1995-11-15 | 1999-10-04 | 株式会社ジャパンエナジー | Lubricating oil for internal combustion engines |
| JP2934186B2 (en) * | 1996-04-12 | 1999-08-16 | 花王株式会社 | Application method |
| JPH10290946A (en) * | 1997-02-21 | 1998-11-04 | Konica Corp | Coating method and coating device |
| JPH11207230A (en) * | 1998-01-26 | 1999-08-03 | Konica Corp | Coater and coating method |
| JP2001129454A (en) * | 1999-11-09 | 2001-05-15 | Kansai Paint Co Ltd | Coating method, coating device, nozzle, and strippable protective film coated material |
| JP2001137764A (en) * | 1999-11-15 | 2001-05-22 | Dainippon Printing Co Ltd | Coating apparatus and coating method |
| JP4277465B2 (en) * | 2000-06-26 | 2009-06-10 | 富士フイルム株式会社 | Application method |
| US6548117B2 (en) * | 2000-06-26 | 2003-04-15 | Fuji Photo Film Co., Ltd. | Method for coating a running web using a plurality of coating liquids |
| JP2002248399A (en) * | 2001-02-27 | 2002-09-03 | Toray Ind Inc | Method and apparatus for manufacturing coating member |
| JP2003010773A (en) * | 2001-07-04 | 2003-01-14 | Mitsubishi Chemicals Corp | Coating application method and method of manufacturing color filter |
-
2003
- 2003-07-25 TW TW092120376A patent/TW590808B/en not_active IP Right Cessation
- 2003-07-25 CN CNB038177862A patent/CN100377794C/en not_active Expired - Lifetime
- 2003-07-25 KR KR1020057001442A patent/KR100652154B1/en active IP Right Grant
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- 2003-07-25 WO PCT/JP2003/009448 patent/WO2004011157A1/en active Application Filing
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103056066A (en) * | 2011-09-01 | 2013-04-24 | 富士胶片株式会社 | Coating device and manufacturing method of film possessing multiple membranes |
| CN103056066B (en) * | 2011-09-01 | 2016-04-13 | 富士胶片株式会社 | The manufacture method of the film of apparatus for coating and band multilayer film |
| CN108290177A (en) * | 2015-11-19 | 2018-07-17 | 住友电气工业株式会社 | The method of coating unit and production coated sheet |
| CN105549276A (en) * | 2016-03-08 | 2016-05-04 | 武汉华星光电技术有限公司 | Coating method for frame sealing glue |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20050026004A (en) | 2005-03-14 |
| JP2004066232A (en) | 2004-03-04 |
| JP2009262154A (en) | 2009-11-12 |
| TW200402331A (en) | 2004-02-16 |
| TW590808B (en) | 2004-06-11 |
| JP5136520B2 (en) | 2013-02-06 |
| KR100652154B1 (en) | 2006-11-30 |
| WO2004011157A1 (en) | 2004-02-05 |
| CN100377794C (en) | 2008-04-02 |
| JP4348134B2 (en) | 2009-10-21 |
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