JPH067736A - Functional thin film with monomolecular film on both faces and continuous preparation thereof - Google Patents

Abstract

PURPOSE:To obtain a continuous functional thin film having continuous monomolecular films on both faces and a method for preparing continuously it. CONSTITUTION:A continuous functional thin film 2 being movable upward or downward is provided between two developing soln. tanks each for forming a monomolecular film being placed in parallel in a distance being a little wider than the thickness of the functional thin film and the first monomolecular film and the second monomolecular film are continuously formed by feeding continuously volatile solvent soln. of the first and the second monomolecular film forming substances respectively on the liq. faces 51 and 52 of both developing liq. tanks. The first and the second monomolecular film is continuously transferred on each face of the functional thin film 2 moving upward or downward to prepare continuously the functional thin film having the monomolecular films on both faces.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a functional thin film having a monomolecular film on both sides, and a continuous production method thereof.

[0002]

2. Description of the Related Art Conventionally, inorganic materials have been used for thin films used in the fields of semiconductor technology and optical technology. However, recently, highly functional organic compounds have been researched and developed as new functional thin film materials. Further, in integrated circuit devices and the like, the use of monomolecular films and cumulative films of organic molecules has been studied.

In order to obtain a monomolecular film or a cumulative film on the surface of a substrate, first, a monomolecular film is formed on the liquid surface and then transferred onto the surface of the substrate to form a monomolecular film on the substrate, which is repeated. In general, a monomolecular cumulative film is used.

That is, a developing liquid tank provided with a float that can move as a two-dimensional piston is filled with water or another liquid, and a solution in which a monomolecular film forming substance is dissolved is dropped on the liquid surface to be developed. If the liquid surface is sufficiently wide compared to the amount of the monomolecular film forming substance, it becomes a gas film, but it moves the float and shrinks the spread of the liquid surface where the monomolecules on the liquid surface are developing. The interaction between the molecules and the molecules is strengthened, and a monomolecular film in which the molecular orientation is neatly aligned, that is, a condensed film (also referred to as a solid film) is formed through the liquid expansion film. Then, the substrate is vertically taken in and out and the monomolecular film is transferred to the substrate while applying a constant surface pressure to the monomolecular film.

In this method, an X type (FIGS. 5 to 7) in which the monomolecular film adheres to the substrate 8 only during immersion, a Y type (FIGS. 8 to 10) in which the monomolecular film adheres during immersion and pulling, There are three types of Z type (Figs. 11 to 13) in which the monomolecular film adheres only when.
5 to 13, the developing solution is water, the portion 91 of the molecule 9 is a hydrophilic portion, and the portion 92 is a hydrophobic portion.

However, this method is a so-called batch method and its productivity is extremely low.

Further, conventionally, metal, glass, plastics, etc. have been used for the substrate, and a monomolecular film using a functional thin film has not been obtained as the substrate. If the functional thin film can be used for the substrate, the range of applications is considered to be greatly expanded.

[0008]

As mentioned above, although the monomolecular film or the cumulative film is in the spotlight, the productivity is extremely low and the difficulty of using the functional thin film as a substrate is This is one of the major factors that hinder the progress of development of monomolecular films and cumulative films using functional thin films as substrates.

Therefore, development of an efficient method for producing a functional thin film having a monomolecular film on both sides has been strongly desired from all sides.

[0010]

Means for Solving the Problems As a result of intensive studies to improve the above-mentioned drawbacks, the present inventor has found a method for continuously producing a functional thin film having a monomolecular film adhered on both sides, and the above-mentioned problem I succeeded in solving the problem.

That is, the present invention relates to a functional thin film having a monomolecular film on both sides, which is characterized by having a continuous monomolecular film on both sides of a continuous functional thin film.

The present invention also provides a continuous functional thin film capable of moving upward or downward between the first stationary surface and the second stationary liquid surface for forming the monomolecular film, and the first monomolecular film is formed. A solvent solution of a film-forming substance and a solvent solution of a second monomolecular film are continuously supplied to the first liquid surface and the second liquid surface in opposite directions, respectively, to obtain a first monomolecular molecule. A film and a second monomolecular film are continuously formed, and the first and second monomolecular films are successively transferred onto respective surfaces of the functional thin film moving upward or downward. The present invention relates to a continuous production method of a functional thin film having a monomolecular film on both sides.

The present invention also provides a continuous functional thin film that can move upward or downward between the first liquid surface and the second liquid surface that move in opposite directions, and the first single molecule. The solvent solution of the film-forming substance and the solvent solution of the second monomolecular film-forming substance are continuously supplied onto the first liquid surface and the second liquid surface moving in the opposite directions, respectively.
And the second monolayer are continuously formed, and the first and second monolayers are continuously transferred onto the respective surfaces of the functional thin film that moves upward or downward. The present invention relates to a method for continuously producing a functional thin film having a monomolecular film on both sides.

[0014]

OPERATION AND EXAMPLES The present invention is based on the fact that the same or different monolayers are continuously transferred onto both sides of a continuous functional thin film, whereby continuous monolayers are formed on both sides of a continuous functional thin film. A functional thin film having a film attached thereto and a method for producing the same.

The functional thin film used in the present invention includes:
For example, electrical, magnetic, thermal, optical characteristics such as conductivity, insulation, charging, discharge, pressure sensitivity, heat sensitivity, photosensitivity, colorability, color development, paramagnetism, diamagnetism, etc. The one having is used. Both sides of the functional thin film are smooth,
It is preferable that the film has a long thickness of about 5 to 2500 μm, preferably 10 to 1000 μm and has a film strength such that it can be moved up and down.

Examples of the material of the functional thin film include the following. These are only a few examples, and in the present invention, materials exhibiting the various functions as described above can be used. .

(1) Isobutyl methacrylate-methacrylic acid copolymer (copolymerization ratio 90/10 (weight ratio) molecular weight about 4
35,000, second-order transition point 76 ° C) 20 parts of spiropyran are uniformly mixed with 80 parts (weight part, the same applies hereinafter), for example, a thickness of 500 μm
A thin film extruded on the film (developed into reddish purple when irradiated with ultraviolet rays).

(2) Isobutyl methacrylate-methacrylic acid copolymer (copolymerization ratio 95/5 (weight ratio), molecular weight 4
A thin film (magnetic property in a magnetic field) extruded into a film having a thickness of 500 μm, for example, by uniformly mixing 25 parts of γ-Fe ₂ O _{3 with} 75 parts of 25,000, a second-order transition point of 74 ° C.).

(3) A layered laminate of a polymer for a core of a plastic optical fiber and a polymer for a clad. For example, a plastic optical fiber (trade name: Super Nuka) manufactured by Mitsubishi Rayon Co., Ltd. laminated with polymethylmethacrylate for the core and a fluoropolymer for the clad, for example, a film with a thickness of 500 μm (this functional thin film is tough. , Even if the cladding surface is irradiated with light, the light does not pass through the film and has a light blocking function).

(4) α-methylstyrene-methyl methacrylate copolymer (80 mol% of methyl methacrylate,
A polymer alloy (Young's modulus 120 dyne / c) in which 40 parts of a weight average molecular weight of 100,000 and 60 parts of polycarbonate (manufactured by Mitsubishi Kasei Co., Ltd., trade name NOVAREX 7025A) are uniformly blended.
m ^2, the secondary transfer Transfer of 0.99 ° C.), for example, thickness 500 [mu] m of the thin film (having a pearlescent).

The functional thin film of the present invention has a continuous monomolecular film on both sides of the functional thin film. As the monomolecular film forming substance, an amphipathic compound capable of forming a film, for example, Surfactants and coupling agents (eg, silane coupling agents, titanate coupling agents, etc.) that have both hydrophilic groups such as carboxyl groups, sulfo groups, ammonium groups, and hydroxyl groups and hydrophobic groups such as long-chain hydrocarbon groups. More specifically, as a silane coupling agent, methacryloxypropyltrimethoxysilane and the like, and as a titanate coupling agent, KR-TTS manufactured by Kenrich Petrochemicals, Inc. in the United States. Used), fatty acids, organic synthetic polymers, proteins and the like.

The monomolecular film-forming substance is completely pure or mixed in an organic solvent which is highly pure and is volatile or can be mixed with a developing solution, such as alcohols, ketones, ethers, esters and hydrocarbons. Used by dissolving.
The concentration varies depending on the type of monolayer-forming substance, the molecular weight, and the ability to dissolve the solvent, but it is within the range where it can be easily diffused into the monolayer, and the higher the concentration, the better, usually 0.1 to 5.0% by weight. Used in.

A method for forming a monomolecular film from the monomolecular film forming substance solution and providing the continuous monomolecular film on both surfaces of the functional thin film will be described below with reference to the drawings.

FIG. 1 is a conceptual diagram showing a cross section of an apparatus used in the first embodiment of the method of the present invention. The device is shown in FIG.
The functional thin film 2 that can move in the vertical direction indicated by the arrow is provided between the two developing solution tanks as shown in FIG.

The shape of the developing solution tank is not particularly limited,
A rectangular one is usually used. As shown in FIG. 1, two developing solution tanks are used, but they are provided as close as possible to the extent that they do not come into contact with the functional thin film.

End face of the developing liquid tank far from the functional thin film
71, 72 are provided with a supply means for supplying a solution for a monomolecular film forming substance having nozzles 31, 32 in the shape of slits, which are very narrow over the width thereof, in contact with the liquid surface.

The developing solution tank is filled with a developing solution that forms a smooth surface. Pure water is usually used for this, but if necessary, a chemically inert high-purity organic solvent that does not dissolve the monolayer-forming substance may be used. Further, the left and right developing solutions may be the same or different. It is a necessary condition that these solvents including water have high purity.

On the liquid surface of the developing liquid tank, one linear member 61, 62 is provided in parallel with the functional thin film, and the developing liquid surface is formed between the end portions 71, 72 of the liquid tank. 51 and 52 are separated. The linear body is a fine thread made of amphipathic fibers that are close to hydrophobic, such as silk thread, copper ammonia human silk thread, rayon thread, acetate thread, nylon thread, and polyester thread. The finer the thread, the better the diameter. Is preferably about 1 to 0.5 μm. The linear body is stretched on the liquid surface so as not to sag by the tension means outside the developing solution tank, and one end of the developing solution tank is kept parallel to the functional thin film by the moving means outside the solution tank. It is possible to move on the liquid surface from to the functional thin film.

The linear bodies 61 and 62 make it easy for the monomolecular layer formed on the liquid surface to form a monomolecular film by the surface pressure and that the edges of the generated monomolecular film are parallel to the functional thin film. It has a function of guiding to a functional thin film in that state.

In order to form a monomolecular film, a solution of the monomolecular film constituent substance is gently cast on the stationary liquid surfaces 51 and 52 from the nozzles 31 and 32, respectively. At this time, both monomolecular film constituent substance solutions may be the same or different as required. When the solution of the monomolecular film forming material is continuously supplied at a constant rate, the solvent is volatilized or dissolved in the developing solution, so that the monomolecular film forming material insoluble in the developing solution is deposited on the developing solution surface, Due to the surface pressure, a solid film is formed along the linear body. After that, while continuing to supply the solution, the linear body is moved in the direction of the functional thin film, and the front edges of the left and right monomolecular films are brought into contact with the functional thin film at the same time. The monomolecular film adheres to the surface of the functional thin film due to the affinity between the monomolecular film and the functional thin film.

When the functional thin film moves downward, the hydrophobic group of the molecule adheres to the functional thin film as shown in FIG. 5, so it is preferable that the functional thin film is hydrophobic in order to increase the affinity. As shown in FIG. 12, the hydrophilic group of the molecule adheres to the functional thin film when it moves to, so that it is preferably hydrophilic in order to increase the affinity.

The moving speed of the functional thin film needs to be balanced with the forming speed of the monomolecular film, and is usually about 10 to 200 mm / min. When a monomolecular film-forming substance is dissolved in a solvent using a constant-quantity discharge device, and when casting is performed at such a concentration and speed that the monomolecular film can be formed as it is, the speed can be increased to 20 m / min.

The functional thin film having a monomolecular film attached to the surface is
After being dried or cross-linked, it is wound or cut into a sheet.

The water, solvent, equipment, etc. used for forming the monomolecular film must be prevented from being contaminated by impurities according to the general precautions for forming the monomolecular film. It is also necessary to keep the temperature constant and the concentration as constant as possible during operation.

The second aspect of the method of the present invention (hereinafter, aspect 2)
2), a device in which the functional thin film 2 is provided between a pair of left and right endless belts (hereinafter, referred to as belts) 11 that move relatively toward the center as shown in FIG. The belt 11 is provided as close as possible to the extent that it does not come into contact with the functional thin film 2.

When water is used as a developing solution, the material of the belt 11 is preferably a sheet of super absorbent resin provided on a wire mesh or a porous belt which can be replaced with this. To be When the water-absorbent resin sheet absorbs water sufficiently, a very thin water layer is retained on the surface, and this water layer is used as a developing solution.

As the highly water-absorbent resin, conventionally known resins can be used without particular limitation, and examples thereof include acrylic acid-based resins and starch / acrylic acid-based resins. Those capable of absorbing 100 times or more, especially 500 times or more of water of their own volume are preferable.

A general continuous porous resin sheet or the like can be used instead of the super absorbent resin sheet.

The belt 11 is supported by a plurality of rotating rollers, and moves in the opposite directions toward the center as shown by arrows. The upper portion of the belt, that is, the outer end portion and the end portion on the functional thin film 2 side is horizontal or a plane close to horizontal.

A developing solution supply port 41 for supplying a developing solution to the belt is provided near the left and right ends of the belt.

A developing liquid film 5 is formed on the upper surface of the belt 11 by the developing liquid continuously supplied from the developing liquid supply port 41.
5, 56 are formed. The developing solution that cannot be completely absorbed by the resin of the belt 11 is dropped through the porous support.

Pure water is usually used as the developing solution,
It is also possible to use a solvent that does not dissolve in the solvent for the monolayer-forming substance described later.

Near the outer end of the belt 11, the solvent solutions of the first and second monomolecular film-forming substances are continuously supplied from the center of the developing solution supply port 41 over the width of the belt. Very narrow slit-shaped nozzles 31, 32 of the monomolecular film forming substance solution supply means are provided in close proximity to the developing liquid film. The nozzles 31 and 32 should be as narrow as possible for the liquid to flow out.

In order to form a monomolecular film, first, the developing solution is supplied from the developing solution supply port 41 onto the endless belt 11 to form a thin film of the developing solution on the belt surface. After the belt reaches a steady state where it cannot absorb the developing solution, it is desirable to keep the developing solution supply rate constant so that a developing solution film having a constant thickness is always formed on the belt. At this time, the developing liquid films 55 and 56 on the belt move toward the center at a relative velocity of zero to the belt. At this time, it is necessary to keep the developing liquid film surface on the belt as smooth as possible.

Next, the solution of the monomolecular film forming substance A is discharged from the nozzle 31 onto the liquid surface of the developing liquid film 55, and the solution of the monomolecular film forming substance B is discharged from the nozzle 32 onto the developing liquid film 56. Cast gently onto the surface. At this time, the substances A and B may be the same or different. As for the concentration of each solution, as described above, the solvent volatilizes or dissolves in the developing solution when the solution is supplied on the developing solution surface, and as a result, a range in which a monomolecular film is immediately formed can be selected. It can be said that it is extremely efficient as compared with the conventional batch method that must be used.

At this time, the supply amount of the monomolecular film forming substance solution per unit time needs to be balanced with the moving speed of the monomolecular film, that is, the moving speed of the belt so that the monomolecular film can continuously move as it is. This speed is usually about 10-200 mm /
Although it is about a minute, the aspect 2 is advantageous in terms of speed because the movement of the developing solution is used instead of the compression step by the surface pressure, and a constant proportional weighing generally called a dispenser,
Dissolve the monomolecular film forming substance in the solvent using the uniform mixing and quantitative discharge device, and the concentration that makes it easy to form the monomolecular film,
When casting at a speed, it can be raised to about 20 m / min. When the monomolecular film forming substance solution is cast on the developing liquid surface to start forming the monomolecular film, the monomolecular film is brought into contact with the functional thin film in the same manner as in the case of the first embodiment.

In another embodiment of the method of the present invention (hereinafter referred to as embodiment 3), as shown in FIG. 3, two smooth surfaces having the functional thin film 2 therebetween and having an affinity with the developing solution are formed. An apparatus provided with the plate-shaped body 16 having the same is used. The plate-shaped body has a slight downward gradient to the extent that the liquid naturally flows down toward the functional thin film 2. Further, side walls are provided on both sides of the plate-like body 16 (side walls are not shown) so that the flowing-down liquid does not fall from the left and right sides of the plate-like body 16 on the way.

The positional relationship between the plate-like body 16 and the functional thin film 2 is the same as in the case of the second aspect.

In the vicinity of the left and right ends of the plate-like body 16, a developing solution supply port 41 similar to that in the case of the second aspect is provided.

Nozzle for supplying monomolecular film forming substance solution
Reference numerals 31 and 32 are the same as in the case of the second embodiment, and they are provided very close to the developing solution supply port of the plate-like member and slightly closer to the functional thin film.

In order to form a monomolecular film, first, the developing solution is supplied from the developing solution supply port 41 onto the plate-like body 16,
The developing liquid films 55 and 56 are formed on the plate-like body surface. After reaching the steady state, it is necessary to make the supply rate of the developing solution constant so that the developing solution films 55 and 56 having a constant thickness and a smooth surface are always formed on the plate.

Next, as in the case of the second aspect, the nozzle 3
The solution of the monomolecular film forming substance from 1, 32 is the developing liquid film 55, 5
6 Cast gently on top.

After the formation of the monomolecular film, it is the same as in the case of the second embodiment.

As a fourth aspect, as shown in FIG. 4, a functional thin film 2 which can move vertically between two developing solution tanks.
It is also possible to use those provided with.

The shape of the developing solution tank may be the same as that of the developing solution tank used in the first aspect, and it is provided on both sides of the functional thin film 2 as close as possible so as not to come into contact with the same.

The developing solution supply port 41 provided in each tank and the nozzles 31, 32 of the means for supplying the monomolecular film forming substance solution are the same as in the case of the second embodiment.

A drain port 42 is provided at an end of the developing solution tank opposite to the developing solution supply port, slightly below the liquid surface.

The developing solution is supplied to the developing solution tank by a developing solution supply port 41.
Flows toward the drainage port 42 so as to maintain smooth liquid surfaces 53 and 54. Since the amount of liquid flowing out from the drainage port is always controlled to be equal to the amount of liquid supplied, the liquid level is always kept constant.

The points in which the monomolecular films formed on the developing liquid surfaces 53 and 54 move along with the flow of the developing liquid and thereafter are the same as in the case of the second embodiment.

The functional thin film having a monomolecular film attached to both surfaces thereof may be further adhered to one surface or both surfaces of another functional thin film to form a composite film. It is not always necessary to apply the same functional thin film on both sides when closely contacting on both sides.

The thus obtained functional thin film having monomolecular films on both sides is used as a device material capable of responding to external stimuli such as thermal responsiveness and photoresponsiveness in molecular electronics, or biocompatibility in bionics. Used as a material.

The functional thin film, which has been moved in one direction and has a monomolecular film attached on both sides, is moved to the end and then moved in the opposite direction to accumulate a monomolecular film on the monomolecular film. It can also be done. In this case, first move the functional thin film upward and then downward.
A Y-type cumulative film as shown in FIG. 10 is obtained, and an inverted Y-type cumulative film is obtained by first moving the film downward and then moving it upward. By repeating this operation, multiple cumulative films can be provided on both surfaces of the functional thin film.

Example 1 Using the apparatus shown in FIG. 1, a toluene solution of methacryloxypropyltrimethoxysilane (0.8 wt%) was supplied onto the left and right water surfaces at a rate of 4.6 ml / min from a nozzle to form a monomolecular film. . Isobutyl methacrylate-moving upward in the monolayer formed in the left and right liquid tanks at a speed of 10 m / min.
Methyl methacrylate copolymer (copolymerization ratio 90/10 (weight ratio), weight average molecular weight 43.5 × 10 ⁴ , second-order transition point 76 ° C) 80
As a photochromic compound, spiropyran 20
A functional thin film having a monomolecular film on both sides was continuously produced by continuously adhering both sides of a thin film having a thickness of 500 μm in which parts were uniformly mixed and dispersed.

The functional thin film thus obtained developed a reddish purple color upon irradiation with ultraviolet rays and returned to the original white color when the irradiation was stopped. After the color was developed, it was stored in a dark place and the reddish purple color was retained. Further, the functional thin film was able to be overlaid on another support and firmly adhered thereto.

Example 2 The thin film obtained in Example 1 was replaced with isobutylmethacrylate-
Methyl methacrylate, copolymer (copolymerization ratio 95/5 (weight ratio), weight average molecular weight 42.5 × 10 ⁴ , secondary transition point 74 ° C)
In 75 parts, γ-Fe ₂ O ₃ (acicular crystals with an average length of 12 nm)
A functional thin film having monomolecular films on both sides was continuously produced in the same manner as in Example 1 except that 25 parts were uniformly mixed and a thin film having a thickness of 500 μm was used.

The obtained functional thin film exhibited paramagnetism, and it could be firmly adhered to another support by superimposing it.

Example 3 Using the apparatus shown in FIG. 4, the functional thin film was laminated with polymethylmethacrylate for the core of Mitsubishi Rayon Co., Ltd. plastic optical fiber (trade name Super Nuka) and fluoropolymer for the clad. Using a thin film with a thickness of 500 μm, the titanate coupling agent KR-TT
A 0.076 wt% isopropyl alcohol solution of S at a flow rate of
At a rate of 5.1 ml / min to both outer ends of the left and right water surfaces flowing toward the center at 20 m / min, the solution was gently fed from the nozzle. The width of the water tank is 0.5 m, and the amount of the coupling agent on the supply surface is exactly the amount necessary for forming the monomolecular film.

When the solution for forming a monomolecular film is supplied onto the water surface, as the solvent dissolves in water, the titanate coupling agent is directly deposited in the form of a monomolecular film without passing through the gas film, and the water And moved toward the functional thin film continuously.

The monomolecular film was attached to the functional thin film moving at 20 m / min, and a functional thin film having the monomolecular film on both sides was continuously produced in the same manner as in Example 1.

The obtained functional thin film is tough, and even if the cladding surface is irradiated with light, the light does not pass through the film and has a light shielding function, and it is firmly laminated with another support. It was possible to make it adhere.

Example 4 As the functional thin film 2, 40 parts of α-methylstyrene-methylmethacrylate copolymer (80 mol% of methylmethacrylate, weight average molecular weight 100,000) and polycarbonate (trade name, manufactured by Mitsubishi Kasei Co., Ltd.) NOVAREX 7025A) 60 parts homogenous blended polymer alloy (Young's modulus 120 dyne
/ Cm ² , second-order transition temperature 150 ℃) thin film of 500 μm, endless belt made of Mitsui Yuka Co., Ltd. easily moldable water-absorbent resin plawet G260 H (trade name) sheet Using the apparatus shown in FIG. 2, a glycidoxypropyltrimethoxysilane solution of 0.1.
4. From the discharge nozzle to both outer ends of a 1 m wide belt that moves 76 wt% toluene solution toward the center at 10 m / min.
It was gently fed at a rate of 6 ml / min. The supply amount of the liquid is exactly the amount necessary to form a monomolecular film on the belt.

When the solution for forming a monomolecular film is supplied onto the belt, as the solvent volatilizes, glycidoxypropyltrimethoxysilane is directly deposited in the form of a monomolecular film without passing through the form of a gas film, As the belt moved, it continuously moved to the functional thin film. The monolayer was attached to the functional thin film moving at 10 m / min, and a functional thin film having the monolayer on both sides was continuously produced in the same manner as in Example 1.

The obtained functional thin film had a pearlescent luster, and could be firmly adhered to another support by superimposing it.

[0074]

According to the present invention, a functional thin film having a monomolecular film on both sides can be continuously and efficiently manufactured at high speed.

[Brief description of drawings]

FIG. 1 is a cross-sectional explanatory view for explaining an apparatus for continuously producing a functional thin film having a monomolecular film on both sides in aspect 1.

FIG. 2 is a cross-sectional explanatory view for explaining an apparatus for continuously producing a functional thin film having a monomolecular film on both sides according to an aspect 2.

FIG. 3 is a cross-sectional explanatory diagram for explaining an apparatus for continuously producing a functional thin film having a monomolecular film on both sides in aspect 3.

FIG. 4 is a cross-sectional explanatory diagram for explaining an apparatus for continuously producing a functional thin film having a monomolecular film on both sides according to an aspect 4.

FIG. 5 is a conceptual diagram when the substrate is immersed in the X-type deposition of the monomolecular film.

FIG. 6 is a conceptual diagram when the substrate is pulled up in the X-type deposition of a monomolecular film.

FIG. 7 is a conceptual diagram of an X-type cumulative film.

FIG. 8 is a conceptual diagram when a substrate is immersed in Y-type deposition of a monomolecular film.

FIG. 9 is a conceptual diagram when the substrate is pulled up in Y-type deposition of a monomolecular film.

FIG. 10 is a conceptual diagram of a Y-type cumulative film.

FIG. 11 is a conceptual diagram when dipping a substrate in Z-type deposition of a monomolecular film.

FIG. 12 is a conceptual diagram of pulling up a substrate in Z-type deposition of a monomolecular film.

FIG. 13 is a conceptual diagram of a Z-type cumulative film.

[Explanation of symbols]

 2 Functional thin film 11 Endless belt 16 Plate 31 Nozzle 41 Developing liquid supply port 51 Developing liquid surface (stationary) 53 Developing liquid surface (moving) 55 Developing liquid film 61 Linear body 8 Substrate 9 Molecule 91 Hydrophilic portion 92 Hydrophobic Sex part

Claims (4)

[Claims] 1. A functional thin film having a monomolecular film on both sides, which has a continuous monomolecular film on each of both sides of the continuous functional thin film. 2. A first monomolecular film-forming substance, wherein a continuous functional thin film that can move upward or downward is provided between a first stationary surface and a second stationary liquid surface for forming a monomolecular film. Of the first monomolecular film and the second monomolecular film-forming substance are continuously supplied to the first liquid surface and the second liquid surface, respectively, in the opposite directions. 2 monolayers are continuously formed, and the first and second monolayers are successively transferred onto the respective surfaces of the functional thin film that moves upward or downward. Continuous production method of functional thin films with molecular films on both sides. 3. A first monomolecular film-forming substance, wherein a continuous functional thin film that can move upward or downward is provided between a first liquid surface and a second liquid surface that move in opposite directions, respectively. And the second monomolecular film-forming substance solvent solution are continuously supplied to the first liquid surface and the second liquid surface, respectively, which move in the opposite directions to supply the first monomolecular film. And a second monomolecular film are continuously formed, and the first and second monomolecular films are continuously transferred onto respective surfaces of the functional thin film moving upward or downward. Continuous production method of functional thin film with monolayer on both sides. 4. The first liquid surface and the second liquid surface moving in opposite directions in claim 3 are respectively formed on the liquid film surface and the second endless belt formed on the first endless belt. The continuous method for producing a functional thin film having a monomolecular film on both sides, which is a formed liquid film surface.