WO2015020368A2 - Anitfog lens and production method therefor - Google Patents

Anitfog lens and production method therefor Download PDF

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Publication number
WO2015020368A2
WO2015020368A2 PCT/KR2014/007151 KR2014007151W WO2015020368A2 WO 2015020368 A2 WO2015020368 A2 WO 2015020368A2 KR 2014007151 W KR2014007151 W KR 2014007151W WO 2015020368 A2 WO2015020368 A2 WO 2015020368A2
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lens
weight
titanium dioxide
step
propanol
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PCT/KR2014/007151
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French (fr)
Korean (ko)
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WO2015020368A3 (en )
Inventor
김진태
이종민
연연옥
Original Assignee
Kim Jin Tae
Lee Jong Min
Youn Youn Ok
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    • GPHYSICS
    • G02OPTICS
    • G02CSPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C11/00Non-optical adjuncts; Attachment thereof
    • G02C11/08Anti-misting means, e.g. ventilating, heating; Wipers
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
    • G02B27/00Other optical systems; Other optical apparatus
    • G02B27/0006Other optical systems; Other optical apparatus with means to keep optical surfaces clean, e.g. by preventing or removing dirt, stains, contamination, condensation

Abstract

The present invention relates to an antifog lens and to a production method therefor. The antifog lens comprises a hydrophilic coating layer obtained by forming a coating solution to a thickness of between 0.1 and 7 μm across the whole of the front and rear surfaces of a blank lens or a hard coating lens, wherein the blank lens or the hard coating lens is a plastic lens made of any one material from among ADC lenses, allyl-diglycol-carbonate lenses, polycarbonate, polymethyl methacrylate (PMMA, acryl lenses), polyurethane, ADC, diallyl isophthalate (DAP) based resins, polyamide, thiourethane based resins, bromine based urethane resins, Trivex and NEXT, and wherein the coating solution comprises between 80 and 95 parts by weight of a photocatalyst solution comprising a dispersing medium as well as a dispersing agent and a titanium dioxide photocatalyst in the form of a crystalline titanium dioxide core/amorphous titanium dioxide shell obtained by forming an amorphous titanium dioxide layer on the surface of crystalline titanium dioxide necessarily comprising an anatase phase and having a mean particle size of between 1 and 100 nm or metal-doped crystalline titanium dioxide obtained by doping the crystalline titanium dioxide with a metal component, the amorphous titanium dioxide layer being in a range of between 10 and 50% by weight with respect to the weight of the crystalline titanium dioxide, and said coating solution also comprises between 10 and 40 parts by weight of a levelling agent solution and between 5 and 20 parts by weight of a curable binder in the form of a solution of an alkoxysilane-based compound constituted by an alcohol sililane represented by the following formula, or a hydrolysis product or partial hydrolysis product thereof: R1aR2bSi(OR3)4-a-b, where R1 is a C1 to C4 hydrocarbon group having a methacryloxy group, mercapto group, amino group or epoxy group, or else a vinyl group, R3 is a C1 to C8 hydrocarbon group or acyl group, and a and b are respectively 0 or 1. By forming the hydrophilic antifog lens coating layer comprising the hydrophilic coating layer on the blank lens or the hard coating lens in this way, the present invention has the advantages of an excellent antifog function whereby lens transparency is maintained and also outstanding abrasion resistance and durability. Consequently, the present invention not only allows people who wear glasses to be provided with a glasses lens in the form of a lens which prevents the phenomenon of fogging resulting from changes in temperature, but also allows the provision of optical lenses having an excellent antifog function in diverse fields including telescope or microscope and camera lenses.

Description

Anti-fog lens and its manufacturing method

The present invention relates to anti-fog lens and a method of manufacturing the same, more particularly, to a dough lens (Blank Lens) or the transparency of the lens to form a hydrophilic anti-fog lens coating layer including the hydrophilic coating layer to the hard coated lenses (Hard Coating Lens) It relates to an anti-fog function (Antifog function) and the wear resistance and the anti-fog lens maximize durability, and a manufacturing method of maintaining.

In the present invention the term "anti-fog lens (Antifog Lens)" means a lens having a mist of this high anti-fog function (Function Antifog) no transparency (hereinafter referred to as "anti-fog lens").

Recent security industry vision glasses or percentage of users by decreased vision in the field of the various changes of the industrial society is increasing.

There is therefore the importance of increasing the spectacle lens of the glasses chakyongryul increase the spectacle lens, which is currently on the market are fulfilling the most predominantly plastic lens.

According to eyeglass wearers are the most inconvenient point temperature changes depending on a variety of industrial work environments that it is a significant risk to the safety of the wearer mist due to the phenomenon glasses.

Prior conventional simple mist protection method used is to apply the anti-fogging composition containing a hydrophobic or water-repellent compound such as silicone or hydrophilic compound such as polyethylene glycol to the surface.

The mist preventing agent of the surfactant acids have been widely used generally to prevent the mist generated in the surface of the denture fixative, such as ceramic, glass, plastic, metal and the lens.

Known way above does not have a temporary effect to be easily surface coating is worn accentuated airway, and off continuously, there is a problem in that the coating film is not high intensity.

Also it can not be the preparation of a spectacle lens processing when pressed, octanoic moisture processing.

Then, the method for coating the antifogging agent and 2-hydroxy ethyl methacrylate and methacrylic acid in relation to sodium salts notary copolymer (Japanese Unexamined Patent Application Publication No. 53-28588 Patent places), on the base end surface of the lens for preventing the mist -OH group a polyether with a polyisocyanate compound and a reaction was made to create a compound with mist layer (Japanese Patent Laid-Open Patent Application Laid-Open No. 2-20580) have been proposed, but the former method is effective mist is a weak, easily falling off a coating layer having excellent was a problem in that, the latter method has a problem that solubility of the coating film after coating uniformity degradation is not good to good solvent is a mixed compound was then film strength of the three-dimensional network structure.

In addition, although a method of obtaining the silane coupling agent and reaction of mist preventing film having an epoxy functional diamine and an amine in an organic ether to mist the agent mainly composed of silicone-modified polyether is known (Japanese Patent Laid-Open Unexamined Patent 4 180 916, Patent Application Laid-Open No. 4-180917), anti-mist properties is not the stability of the coating liquid is not good, excellent, there is a problem not as high strength films.

Accordingly, the present invention has been invented to solve the above problems, an object of the present invention is a crystalline titanium dioxide core - with a hydrophilic coating agent containing the amorphous titanium dioxide a shell form of a titanium dioxide photocatalyst and a titanium dioxide photocatalyst dough lens (Blank Lens ) or hard coated lenses (hard coating lens) anti maximizing the anti-fog function (Antifog function) and the wear resistance and durability by forming a hydrophilic anti-fog lens coating layer including the hydrophilic coating layer to keep the transparency of the lens fogging lens and a method of manufacturing the same It is to provide a.

As a first embodiment for achieving the object of the present invention,

Crystalline titanium dioxide core entity-shell-type amorphous titanium dioxide in the titanium dioxide photocatalyst of 5% by weight of a water-soluble acrylic resin emulsion 1% by weight and the remaining solvent as a dispersant, 1-methoxy (Methoxy) -2- propanol (propanol) 60% by weight and 3-methoxy (methoxy) -3-methyl-butanol (methyl butanol) 70 parts by weight of a photocatalyst solution consisting of 34% by weight;

2-propanol (propanol) curable binder solution consisting of 10 parts by weight to 90% by weight in terms of tetraethyl ortho silicate 10% by weight and the remaining solvent as a curable binder;

And as BYK-346 (BYK Co.) 5% by weight and the remaining solvent as a leveling agent and a coating solution made by mixing 20 weight parts of a leveling agent solution consisting of 2-propanol (propanol) 95% by weight;

Eyidi the lens (ADC LENS), aryl-diglycol-carbonate lenses, polycarbonate (POLYCARBONATE), PMMA (POLYMETHYL METHACRYLATE, ACRYL LENS), polyurethane, eyidi when (ADC), diallyl isophthalate (DAP) resin, polyamide

(POLYAMIDE), Bang-based resin, clear-based urethane resin, tri-Bex (TRIVEX), yen x T (NXT) as a plastic lens material of any one of 1 kinds of dough lens (Blank Lens) or hard coated lenses (Hard Coating a first step of preparing a Lens);

A rotating substrate can be rotated at a speed of 6,000rpm and 1,000rpm ~ second step of mounting the dough lens ([0018] Blank Lens) or hard coated lenses (Lens Hard Coating) in the first step;

The depositing in the second step to the dough lens (Blank Lens) or hard coated lens 1wt% ~ 6 wt% concentration in the center of the coating liquid of the first step at room temperature (1 ℃ ~ 25 ℃) of (Hard Coating Lens) step 3 and;

Wherein by rotating in a state of inter-depositing a coating solution in step 3, the lens mount by the rotating disk at a rate of 1,000rpm ~ 6,000rpm 10 ~ 30 cho (sce) spread the coating solution to the peripheral portion of the lens by centrifugal force 0.1 ~ 7 a fourth step of uniformly coated to a thickness of the ㎛;

Lens with a coating solution in the fourth step the coating is dried at 80 ℃ ~ 190 ℃ 10 ~ 30 bun bun dongan to form a hydrophilic coating layer to complete manufacturing the anti-fog lens.

As a second embodiment for achieving the above object of the present invention,

Crystalline titanium dioxide core entity-shell-type amorphous titanium dioxide in the titanium dioxide photocatalyst of 5% by weight of a water-soluble acrylic resin emulsion 1% by weight and the remaining solvent as a dispersant, 1-methoxy (Methoxy) -2- propanol (propanol) 60% by weight and 3-methoxy (methoxy) -3-methyl-butanol (methyl butanol) 70 parts by weight of a photocatalyst solution consisting of 34% by weight;

2-propanol (propanol) curable binder solution consisting of 10 parts by weight to 90% by weight in terms of tetraethyl ortho silicate 10% by weight and the remaining solvent as a curable binder;

And as BYK-346 (BYK Co.) 5% by weight and the remaining solvent as a leveling agent and a coating solution made by mixing 20 weight parts of a leveling agent solution consisting of 2-propanol (propanol) 95% by weight;

Eyidi the lens (ADC LENS), aryl-diglycol-carbonate lenses, polycarbonate (POLYCARBONATE), PMMA (POLYMETHYL METHACRYLATE, ACRYL LENS), polyurethane, eyidi when (ADC), diallyl isophthalate (DAP) resin, polyamide

(POLYAMIDE), Bang-based resin, clear-based urethane resin, tri-Bex (TRIVEX), yen x T (NXT) as a plastic lens material of any one of 1 kinds of dough lens (Blank Lens) or hard coated lenses (Hard Coating a first step of preparing a Lens);

Said first dough lens with a coating solution of the step 1, 1wt% ~ 6 wt% concentration at room temperature (1 ℃ ~ 25 ℃) prepared in Step 1 (Blank Lens) or hard coated lenses (Hard Coating Lens) in the coating solution then dipped 0.1cm / sec ~ second step of applying a coating liquid uniformly over the entire front and rear surfaces of the lens with the thickness of 0.1 ~ 7㎛ to raise to 0.5cm / sec speed;

Lens with a coating solution in the second step the coating is dried at 80 ℃ ~ 190 ℃ 10 ~ 30 bun bun dongan to form a hydrophilic coating layer to complete manufacturing the anti-fog lens.

In a third embodiment for achieving the above object of the present invention,

Eyidi the lens (ADC LENS), aryl-diglycol-carbonate lenses, polycarbonate (POLYCARBONATE), PMMA (POLYMETHYL METHACRYLATE, ACRYL LENS), polyurethane, eyidi when (ADC), diallyl isophthalate (DAP) resin, polyamide

(POLYAMIDE), Bang-based resin, clear-based urethane resin, tri-Bex (TRIVEX), yen x T (NXT) as a plastic lens material of any one of 1 kinds of dough lens (Blank Lens) or hard coated lenses (Hard Coating on the entire front and rear surfaces to the average particle diameter of 1 to 100㎚ range is a metal doped with a metal component of the crystalline titanium dioxide, or the crystalline titanium dioxide comprising anatase as the essential doped crystalline titanium dioxide the surface of the Lens) of crystalline titanium dioxide based on the weight 10 to the crystalline titanium dioxide core to form an amorphous titanium dioxide layer of 50 wt% - amorphous titanium dioxide shell form of the titanium dioxide photocatalyst and a photocatalyst solution of 80 to 95 parts by weight containing the dispersing agent and the dispersion medium, as a curable binder R1 is a vinyl group, or a methacryloyl rock group, a mercapto group, a hydrocarbon group of C1 ~ C4 having an amino group or an epoxy group, R3 Is a hydrocarbon group or an acyl group, a and b are each 0 or 1, R1aR2bSi (OR3) alcohol when silane, or alkoxy silane-based compound solution hydrolyzate or partial hydrolyzate represented by the 4-ab expression of C1 ~ C8 an anti-fog lens including a hydrophilic coating layer formed, the coating liquid containing from 5 to 20 parts by weight of a leveling agent solution is from 10 to 40 parts by weight in a thickness of 1 ~ 5㎛.

According to the present invention, excellent dough lens (Blank Lens) or hard coated lenses (Hard Coating Lens) anti-fog function (Antifog Function) to maintain the transparency of a lens by forming a hydrophilic anti-fog lens coating layer including the hydrophilic coating layer in wear resistance and durable, has excellent effect.

Therefore, it can be provided to the glasses wearer lenses to prevent mist phenomenon as a function of temperature as a spectacle lens, as well as providing a telescope or microscope, anti-fog function with excellent optical lens (Antifog Function) in various fields such as a camera lens can do.

1 is a process drawing for the first embodiment "method for producing anti-fogging lens" in accordance with the present invention.

Figure 2 is a process diagram for the second embodiment. "The method of the anti-fog lens" in accordance with the present invention.

Figure 3a and Figure 3b is a cross-sectional view of assistance in understanding the structure of the "anti-fog lens" in accordance with the present invention.

Figure 4a to Figure 4d is a comparison presented by photographing a comparison experiment between the anti-fog lens and other products of the present invention.

More specifically in accordance with the drawings attached as illustrated by the preferred embodiment as follows.

First, a description in detail is also a method for producing anti-fogging lens as a first embodiment of the present invention with reference to examples.

Step 1 (S1) - and the coating liquid dough lenses (Lens Blank) or a hard coated lenses (Lens Hard Coating) as a preparation step,

Crystalline titanium dioxide core entity-shell-type amorphous titanium dioxide in the titanium dioxide photocatalyst of 5% by weight of a water-soluble acrylic resin emulsion 1% by weight and the remaining solvent as a dispersant, 1-methoxy (Methoxy) -2- propanol (propanol) 60% by weight and 3-methoxy (methoxy) -3-methyl-butanol (methyl butanol) 70 parts by weight of a photocatalyst solution consisting of 34% by weight;

2-propanol (propanol) curable binder solution consisting of 10 parts by weight to 90% by weight in terms of tetraethyl ortho silicate 10% by weight and the remaining solvent as a curable binder;

And as BYK-346 (BYK Co.) 5% by weight and the remaining solvent as a leveling agent to prepare a coating liquid consisting of a mixture of parts of 2-propanol (propanol), a leveling agent solution consisting of 95 wt.% 20 wt.

And eyidi the lens (ADC LENS), aryl-diglycol-carbonate lenses, polycarbonate (POLYCARBONATE), PMMA (POLYMETHYL METHACRYLATE, ACRYL LENS), polyurethane, eyidi when (ADC), diallyl isophthalate (DAP) resins , polyamide (pOLYAMIDE), Bang-based resin, clear-based urethane resin, tri-Bex (TRIVEX), yen x T (NXT) as a plastic lens material of any one of 1 kinds of dough lens (Blank lens) or hard coated lens prepare (Hard Coating Lens).

Other than the above materials, such as plastic lens is learned through experimenting with significantly falling anti-fog function when coated with the coating solution.

In addition, this anti-fog function falls significantly when a plastic lens hayeoteul coated with the coating solution to the lens than the dough lenses (Lens Blank) or hard coated lenses (Lens Hard Coating) is also a known through the experiment.

That is, the second water-repellent, an anti-reflection coating, a multi-coated lenses or the like is coated with the coating solution, even if the known through a number of experiments that there is no effect of anti-fog function.

The dough lenses (Lens Blank) is any coating refers to non-coated lenses are not, the hard coated lenses (Lens Hard Coating) means a lens which enhance the surface at a low temperature sputtering of a silicon oxide.

Fit the dough lenses (Lens Blank) or hard coated lenses (Lens Hard Coating) at 1000rpm ~ 6000rpm the first stage in a rotating substrate can be rotated at a speed of - Step 2 (S2).

A third step (S3) - 1wt% ~ 6 at the first dough lens in step 2 (Blank Lens) or a hard-coated lens, the coating liquid of the first step in the center of (Hard Coating Lens) at room temperature (1 ℃ ~ 25 ℃) It is deposited in wt% concentration.

The coating liquid is the effect of the anti-fog function is significantly decreased when the room temperature (1 ℃ ~ 25 ℃) state is most appropriate, and the concentration is confined to 1wt% ~ 6 wt% coating was completed.

A fourth step (S4) - peripheral portion of the first rotating between in a state where the coating liquid deposited in step 3, the lens mount by the rotating disk at a rate of 1,000rpm ~ 6,000rpm 10 ~ 30 cho (sce) lens by centrifugal force the spread in the coating liquid is applied uniformly to a thickness of 0.1 ~ 7㎛.

Is above 6,000rpm the torque is equal to or less than 1,000rpm coating liquid applied on the lens does not work well due to the rotating disk is not the coating solution is not coated with a constant thickness.

And when the rotation time is also longer than 30 seconds not carried out to the periphery of less than 10 seconds, then the lens is properly coated with the coating solution The coating thickness of the coating liquid is thinned out in the scope of 0.1 ~ 7㎛.

Step 5 (S5) - lens with a coating solution in the fourth step the coating is dried at 80 ℃ ~ 190 ℃ 10 ~ 30 bun bun dongan completing producing the anti-fogging lens is a hydrophilic coating layer.

Lens with the coating liquid is applied is, if the drying temperature is below 80 ℃ not dry taking longer be well dropping the effect of the anti-fog function is rapidly drying is above 190 ℃ is the quality of the lens decreases with fine cracks occurred commercial value It is impossible.

And also the drying time is less than 10 minutes does not form a dry coating layer is inferior in incomplete sex If the state is more than 30 minutes, and the quality of the lens is reduced by fine cracks produced.

As above dough lens (Blank Lens) or to form a hydrophilic coating layer to the hard coated lenses (Hard Coating Lens) anti-fog lens having an anti-fog function is completed to prepare a respective hydrophilic coating layer on the front and rear surfaces of the lens in the same manner as above to form to be completed.

That is, by the above method of forming a hydrophilic coating on one side (front side) of the lens is then finished to form a hydrophilic coating layer on the other side (back) again.

Anti-fog lens of the present invention produced completed as above is water in the lens coating layer is water and the contact angle (θ) is not more than 1 ° ~ 10 ° state which condense even if the water or steam in the air, dew condensation is formed in the individual droplets one water film is formed without (see Figs. 3a and 3b).

Therefore, to obtain the anti-fog function (Function Antifog) with excellent anti-fogging lens (Antifog Lens) for preventing mist phenomenon as a function of temperature and can maintain transparency of the lens.

* Experiment 1

In this the 75 ℃ ~ 80 ℃ constant temperature bath filled with water and allowed to stand for an anti-fog lens of the present invention on the level 1.5㎝.

* Experiment 2

At -20 ℃ After 30 minutes, allowed to stand and allowed to stand for an anti-fog lens of the present invention over the level contained in the 1.5㎝ 35 ℃ constant temperature water bath.

* Experiment 3

At 130 ℃ then allowed to stand 3 hours and left standing for anti-fog lens of the present invention over the level contained in the 1.5㎝ 50 ℃ constant temperature water bath.

* Example 4

1 after over 12 hours, dried at room temperature and submerged in distilled water for a time and allowed to stand for an anti-fog lens of the present invention on the water level in a constant temperature bath containing the 1.5㎝ 50 ℃ water.

* Example 5

After allowed to stand 1 minute under running water and allowed to stand for an anti-fog lens of the present invention over the level contained in the 1.5㎝ 50 ℃ constant temperature water bath.

* Experimental Example 6

An ultraviolet lamp anti-fog lens of the present invention on the water level in 1.5㎝ (UVC, 15W) containing a 50 ℃ water after UV irradiation for 48 hours in a constant temperature bath and left for 15㎝ interval.

Or above, at all the experimental results under the same conditions as a mist, comes out the results of the staining show the degree of water, the transmittance is at least 92% to 95%, and it was also a 99.9% sunscreen without UV coating.

And presented in the experimental example of the present invention under the same conditions as in the first lens and of Company A, Company B, Fig. 4a-4b by recording the amount of mist to the C's lens product.

Figures 4a to 4d, as can be seen in Figure lens product, anti-fog lens of the present invention can be seen that remarkably high anti-fog function the transparency (Antifog Function) is excellent in comparison to other products lens.

Next, as a second embodiment of the present invention will be described in detail another embodiment of the production method of the anti-fog lens. It will be described with reference to FIG.

Step 1 (S10) - coating liquid and dough lens (Blank Lens) or hard coated lens as a preparation step (Hard Coating Lens), crystalline dioxide entity uranium core-amorphous titanium oxide shell in the form of titanium dioxide photocatalyst 5% by weight of dispersing agent as a water-soluble acrylic resin emulsion 1% by weight and the remaining solvent as a 1-methoxy (methoxy) -2- propanol (propanol) 60% by weight of 3-methoxy (methoxy) -3-methyl-butanol (methyl butanol) consisting of 34% by weight 70 parts by weight of a photocatalyst solution;

2-propanol (propanol) curable binder solution consisting of 10 parts by weight to 90% by weight in terms of tetraethyl ortho silicate 10% by weight and the remaining solvent as a curable binder;

And as BYK-346 (BYK Co.) 5% by weight and the remaining solvent as a leveling agent to prepare a coating liquid consisting of a mixture of parts of 2-propanol (propanol), a leveling agent solution consisting of 95 wt.% 20 wt.

And eyidi the lens (ADC LENS), aryl-diglycol-carbonate lenses, polycarbonate (POLYCARBONATE), PMMA (POLYMETHYL METHACRYLATE, ACRYL LENS), polyurethane, eyidi when (ADC), diallyl isophthalate (DAP) resins , polyamide (pOLYAMIDE), Bang-based resin, clear-based urethane resin, tri-Bex (TRIVEX), yen x T (NXT) as a plastic lens material of any one of 1 kinds of dough lens (Blank lens) or hard coated lens prepare (Hard Coating Lens).

Other than the above materials, such as plastic lens is learned through experimenting with significantly falling anti-fog function when coated with the coating solution.

In addition, this anti-fog function falls significantly when a plastic lens hayeoteul coated with the coating solution to the lens than the dough lenses (Lens Blank) or hard coated lenses (Lens Hard Coating) is also a known through the experiment.

That is, the second water-repellent, an anti-reflection coating, a multi-coated lenses or the like is coated with the coating solution, even if the known through a number of experiments that there is no effect of anti-fog function.

The dough lenses (Lens Blank) is any coating refers to non-coated lenses are not, the hard coated lenses (Lens Hard Coating) means a lens which enhance the surface at a low temperature sputtering of a silicon oxide.

Step 2 (S20) - as a coating solution application step, wherein the dough lens with a coating solution of the step 1, 1wt% ~ 6 wt% concentration at room temperature (1 ℃ ~ 25 ℃) prepared in Step 1 (Blank Lens) or dipped in the hard coated lenses (lens hard coating) in the coating solution and then 0.1cm / sec ~ is applied to the coating liquid uniformly over the entire front and rear surfaces of the lens with the thickness of 0.1 ~ 7㎛ to raise to 0.5cm / sec rate.

The coating liquid is the effect of the anti-fog function is significantly decreased when the room temperature (1 ℃ ~ 25 ℃) state is most appropriate, and the concentration is confined to 1wt% ~ 6 wt% coating was completed.

And if the pull rate and then dipped in the coating solution 0.1cm / sec or less when thickening the thickness of the coating liquid anti-fog function is the pull rate 0.5cm / sec or more the thickness of the coating liquid falling thinner is also inferior in anti-fog function.

A first step (S30) 3 - as a coating solution drying step, the lens is a coating solution in the second step is applied and dried at 80 ℃ ~ 190 ℃ 10 ~ 30 bun bun dongan completing producing the anti-fogging lens is a hydrophilic coating layer.

Lens with the coating liquid is applied is, if the drying temperature is below 80 ℃ not dry taking longer be well dropping the effect of the anti-fog function is rapidly drying is above 190 ℃ is the quality of the lens decreases with fine cracks occurred commercial value It is impossible.

And also the drying time is less than 10 minutes does not form a dry coating layer is inferior in incomplete sex If the state is more than 30 minutes, and the quality of the lens is reduced by fine cracks produced. As above dough lens (Blank Lens) or to form a hydrophilic coating layer to the hard coated lenses (Hard Coating Lens) anti-fog lens having an anti-fog function is completed to prepare a respective hydrophilic coating layer on the front and rear surfaces of the lens in the same manner as above to form to be completed.

Anti-fog lens of the present invention produced completed as above is water in the lens coating layer is water and the contact angle (θ) is not more than 1 ° ~ 10 ° state which condense even if the water or steam in the air, dew condensation is formed in the individual droplets one water film is formed without (see Figs. 3a and 3b).

Therefore, to obtain the anti-fog function (Function Antifog) with excellent anti-fogging lens (Antifog Lens) for preventing mist phenomenon as a function of temperature and can maintain transparency of the lens.

And it was subjected to the same experiment as above tests in Examples 1 to 6 carried out in the first embodiment of the present invention a second embodiment the present invention wherein the anti-fog lens (Antifog Lens) produced by an example of the result was identical.

Next, a third embodiment of the present invention will be described in detail an embodiment of a anti-fog lens.

Eyidi the lens (ADC LENS), aryl-diglycol-carbonate lenses, polycarbonate (POLYCARBONATE), PMMA (POLYMETHYL METHACRYLATE, ACRYL LENS), polyurethane, eyidi when (ADC), diallyl isophthalate (DAP) resin, polyamide (pOLYAMIDE), Bang-based resin, clear-based urethane resin, tri-Bex (TRIVEX), yen x T (NXT) as a plastic lens material of any one of 1 kinds of dough lens (Blank lens) or hard coated lenses ( Hard Coating Lens) of the entire front and rear surfaces to a mean particle diameter of 1 to 100㎚ range and crystalline titanium dioxide or the crystalline metal dioxide doped with a metal component in titanium-doped crystalline titanium dioxide on the surface of the crystalline anatase phase dioxide containing essentially to form a 10 to 50 wt% of amorphous titanium dioxide layer on the weight of titanium, based on the crystalline titanium dioxide core-shell-type amorphous titanium dioxide a titanium dioxide Catalyst and a dispersing agent and a photocatalyst solution of 80 to 95 parts by weight containing the dispersing medium, R1 is a vinyl group as the curable binder, or methacrylic lock group, a mercapto group, a C1 ~ C4 hydrocarbon having an amino group or an epoxy group, R3 is a C1 ~ hydrocarbon group or an acyl group of C8, a and b are each 0 or 1, R1aR2bSi (OR3) when seen kokol represented by the 4-ab expression silane, or the hydrolyzate or partial hydrolyzate of an alkoxysilane-based compound solution, 5 to a coating solution containing 20 parts by weight of a leveling agent solution is from 10 to 40 parts by weight, constitutes an anti-fogging lens including a hydrophilic coating layer formed to a thickness of 0.1 ~ 7㎛.

And the Al kokol when the silane-based compound is tetra ethyl ortho silicate (tetraethyl orthosilicate), selecting the at least one selected from silane, methyl trimethoxy silane, diethoxy dimethyl silane, and diethoxy Messenger the group consisting of CD-ethyl silane methyltrimethoxysilane configuration, wherein the leveling agent is configured to be at least one member selected from polyether polysiloxanes, polyacrylic polysiloxane and polydimethylsiloxane the group consisting of.

Anti-fog lens of the present invention as above can be configured for each of the hydrophilic coating layer on the front and rear surfaces of the dough lens (Blank Lens) or hard coated lenses (Hard Coating Lens) by the method of Example 1 or 2, and these anti-fog lens is a lens coating layer is water and the contact angle (θ) is not more than 1 ° ~ 10 ° state, even though moisture or steam condensation condenses water in the air is without forming the individual droplets a water film is formed (Fig. 3a and see Fig. 3b).

Therefore, to obtain the anti-fog function (Function Antifog) with excellent anti-fogging lens (Antifog Lens) for preventing mist phenomenon as a function of temperature and can maintain transparency of the lens.

Then, an experiment was conducted as in Experimental Example 1-6 carried out in a first embodiment of the present invention the anti-fog lens (Antifog Lens) made as above, the result was identical.

The present invention as described above are knitted gray fabric lens (Blank Lens) or hard coated lenses (Hard Coating Lens) in a hydrophilic, including the hydrophilic coating layer Anti-fogging lens anti-fogging function of holding the transparency of the lens by forming a coating layer (Antifog Function) The excellent wear resistance and durable and therefore may provide for eyeglass wearers the lens to prevent the mist phenomenon as eyeglass lenses, as well as anti-fog function in a variety of fields, such as a telescope or a microscope, camera lens as a function of temperature (Antifog function) is It can provide superior optics.

** Description of Symbols **

S1, S10: Step S2, S20 1: Step 2

S3, S30: The step 3 S4: Step 4

S5: Step No. 5

Claims (12)

  1. Crystalline titanium dioxide core entity-shell-type amorphous titanium dioxide in the titanium dioxide photocatalyst of 5% by weight of a water-soluble acrylic resin emulsion 1% by weight and the remaining solvent as a dispersant, 1-methoxy (Methoxy) -2- propanol (propanol) 60% by weight and 3-methoxy (methoxy) -3-methyl-butanol (methyl butanol) 70 parts by weight of a photocatalyst solution consisting of 34% by weight;
    2-propanol (propanol) curable binder solution consisting of 10 parts by weight to 90% by weight in terms of tetraethyl ortho silicate 10% by weight and the remaining solvent as a curable binder;
    And as BYK-346 (BYK Co.) 5% by weight and the remaining solvent as a leveling agent and a coating solution made by mixing 20 weight parts of a leveling agent solution consisting of 2-propanol (propanol) 95% by weight;
    A plastic lens as a first step of preparing a dough lenses (Lens Blank);
    A rotating substrate can be rotated at a speed of 6,000rpm and 1,000rpm ~ second step of mounting the dough lenses (Lens Blank) in the first step;
    A third step of depositing in the second step to the dough lens (Blank Lens) 1wt% ~ 6wt% concentration in the heart of a coating solution in the first step at room temperature (1 ℃ ~ 25 ℃) of;
    Wherein by rotating in a state of inter-depositing a coating solution in step 3, the lens mount by the rotating disk at a rate of 1,000rpm ~ 6,000rpm 10 ~ 30 cho (sce) spread the coating solution to the peripheral portion of the lens by centrifugal force 0.1 ~ 7 a fourth step of uniformly coated to a thickness of the ㎛;
    Method for producing anti-fogging lens in the fourth step is characterized by producing an anti-fogging lens to form a hydrophilic coating layer lens coating solution is applied is dried at 80 ℃ ~ 190 ℃ 10 ~ 30 bun bun while.
  2. The method of claim 1, wherein the plastic lens is eyidi the lens (ADC LENS), aryl-diglycol-carbonate lenses, polycarbonate (POLYCARBONATE), PMMA (POLYMETHYL METHACRYLATE, ACRYL LENS), polyurethane, eyidi when (ADC), di allyl isophthalate (DAP) resin, polyamide (pOLYAMIDE), Bang-based resin, clear-based urethane resin, tri-Bex (TRIVEX), yen x T (NXT) anti characterized in that the hayeoseo select any one of one kind of fog lens manufacturing method.
  3. Crystalline titanium dioxide core entity-shell-type amorphous titanium dioxide in the titanium dioxide photocatalyst of 5% by weight of a water-soluble acrylic resin emulsion 1% by weight and the remaining solvent as a dispersant, 1-methoxy (Methoxy) -2- propanol (propanol) 60% by weight and 3-methoxy (methoxy) -3-methyl-butanol (methyl butanol) 70 parts by weight of a photocatalyst solution consisting of 34% by weight;
    2-propanol (propanol) curable binder solution consisting of 10 parts by weight to 90% by weight in terms of tetraethyl ortho silicate 10% by weight and the remaining solvent as a curable binder;
    And as BYK-346 (BYK Co.) 5% by weight and the remaining solvent as a leveling agent and a coating solution made by mixing 20 weight parts of a leveling agent solution consisting of 2-propanol (propanol) 95% by weight;
    A plastic lens as a first step of preparing the hard coated lenses (Lens Hard Coating);
    A rotating substrate can be rotated at a speed of 1,000rpm and 6,000rpm ~ second step of mounting the hard coated lenses (Lens Hard Coating) in the first step;
    And a third step of the first deposited to 1wt% ~ 6 wt% concentration in the heart of a coating solution in the first step at room temperature (1 ℃ ~ 25 ℃) of the hard coated lenses (Lens Hard Coating) in step 2;
    Wherein by rotating in a state of inter-depositing a coating solution in step 3, the lens mount by the rotating disk at a rate of 1,000rpm ~ 6,000rpm 10 ~ 30 cho (sce) spread the coating solution to the peripheral portion of the lens by centrifugal force 0.1 ~ 7 a fourth step of uniformly coated to a thickness of the ㎛;
    Method for producing anti-fogging lens in the fourth step is characterized by producing an anti-fogging lens to form a hydrophilic coating layer lens coating solution is applied is dried at 80 ℃ ~ 190 ℃ 10 ~ 30 bun bun while.
  4. The method of claim 3, wherein the plastic lens is eyidi the lens (ADC LENS), aryl-diglycol-carbonate lenses, polycarbonate (POLYCARBONATE), PMMA (POLYMETHYL METHACRYLATE, ACRYL LENS), polyurethane, eyidi when (ADC), di allyl isophthalate (DAP) resin, polyamide (pOLYAMIDE), Bang-based resin, clear-based urethane resin, tri-Bex (TRIVEX), yen x T (NXT) anti characterized in that the hayeoseo select any one of one kind of fog lens manufacturing method.
  5. Crystalline titanium dioxide core entity-shell-type amorphous titanium dioxide in the titanium dioxide photocatalyst of 5% by weight of a water-soluble acrylic resin emulsion 1% by weight and the remaining solvent as a dispersant, 1-methoxy (Methoxy) -2- propanol (propanol) 60% by weight and 3-methoxy (methoxy) -3-methyl-butanol (methyl butanol) 70 parts by weight of a photocatalyst solution consisting of 34% by weight;
    2-propanol (propanol) curable binder solution consisting of 10 parts by weight to 90% by weight in terms of tetraethyl ortho silicate 10% by weight and the remaining solvent as a curable binder;
    And as BYK-346 (BYK Co.) 5% by weight and the remaining solvent as a leveling agent and a coating solution made by mixing 20 weight parts of a leveling agent solution consisting of 2-propanol (propanol) 95% by weight;
    A plastic lens as a first step of preparing a dough lenses (Lens Blank);
    To a coating solution in the first step to room temperature (1 ℃ ~ 25 ℃) 1wt% ~ 6 wt% concentration in the dough dipped lenses (Lens Blank) prepared in the first step the coating liquid, and then 0.1cm / sec ~ 0.5cm / sec to raise the speed and a second step of applying a coating liquid uniformly over the entire front and rear surfaces of the lens to a thickness of 0.1 ~ 7㎛;
    Method for producing anti-fogging lens in the second step is characterized by producing an anti-fogging lens to form a hydrophilic coating layer lens coating solution is applied is dried at 80 ℃ ~ 190 ℃ 10 ~ 30 bun bun while.
  6. The method of claim 5, wherein the plastic lens is eyidi the lens (ADC LENS), aryl-diglycol-carbonate lenses, polycarbonate (POLYCARBONATE), PMMA (POLYMETHYL METHACRYLATE, ACRYL LENS), polyurethane, eyidi when (ADC), di allyl isophthalate (DAP) resin, polyamide (pOLYAMIDE), Bang-based resin, clear-based urethane resin, tri-Bex (TRIVEX), yen x T (NXT) anti characterized in that the hayeoseo select any one of one kind of fog lens manufacturing method.
  7. Crystalline titanium dioxide core entity-shell-type amorphous titanium dioxide in the titanium dioxide photocatalyst of 5% by weight of a water-soluble acrylic resin emulsion 1% by weight and the remaining solvent as a dispersant, 1-methoxy (Methoxy) -2- propanol (propanol) 60% by weight and 3-methoxy (methoxy) -3-methyl-butanol (methyl butanol) 70 parts by weight of a photocatalyst solution consisting of 34% by weight;
    2-propanol (propanol) curable binder solution consisting of 10 parts by weight to 90% by weight in terms of tetraethyl ortho silicate 10% by weight and the remaining solvent as a curable binder;
    And as BYK-346 (BYK Co.) 5% by weight and the remaining solvent as a leveling agent and a coating solution made by mixing 20 weight parts of a leveling agent solution consisting of 2-propanol (propanol) 95% by weight;
    A plastic lens as a first step of preparing the hard coated lenses (Lens Hard Coating);
    To a coating solution in the first step to room temperature (1 ℃ ~ 25 ℃) 1wt% ~ 6 wt% concentration in the immersing the hard coated lenses (Lens Hard Coating) prepared in the first step the coating liquid, and then 0.1cm / sec ~ a second step of applying the coating liquid uniformly over the entire front and rear surfaces of the lens with the thickness of 0.1 ~ 7㎛ to raise to 0.5cm / sec speed;
    Method for producing anti-fogging lens in the second step is characterized by producing an anti-fogging lens to form a hydrophilic coating layer lens coating solution is applied is dried at 80 ℃ ~ 190 ℃ 10 ~ 30 bun bun while.
  8. The method of claim 7, wherein the plastic lens is eyidi the lens (ADC LENS), aryl-diglycol-carbonate lenses, polycarbonate (POLYCARBONATE), PMMA (POLYMETHYL METHACRYLATE, ACRYL LENS), polyurethane, eyidi when (ADC), di allyl isophthalate (DAP) resin, polyamide (pOLYAMIDE), Bang-based resin, clear-based urethane resin, tri-Bex (TRIVEX), yen x T (NXT) anti characterized in that the hayeoseo select any one of one kind of fog lens manufacturing method.
  9. A plastic lens dough lens crystalline titanium dioxide, or the crystalline titanium dioxide doped with a metal of a crystalline titanium dioxide doped with a metal component in which essentially the average particle diameter of 1 to 100㎚ range and the anatase phase in the entire surface of the front and rear (Lens Blank) on the surface, based on the weight of the crystalline titanium dioxide 10 to 50% by weight of amorphous titanium dioxide layer to form a crystalline titanium dioxide core-amorphous titanium dioxide shell form of the titanium dioxide photocatalyst and a photocatalyst solution 80 to include a dispersant and a dispersing medium, R1 is a vinyl group as a 95 parts by weight of a curable binder, or methacrylic lock group, a mercapto group, an amino group or a hydrocarbon group of C1 ~ C4 having an epoxy group, R3 is a group of C1 ~ C8 hydrocarbon or acyl group, a and b are each 0 or 1, R1aR2bSi (OR3) when seen kokol represented by the formula 4-ab silane, or the hydrolyzate or partial hydrolyzate Alkoxysilane is water-based anti-fogging lens for a coating solution containing compound solution from 5 to 20 parts by weight of a leveling agent solution is from 10 to 40 parts by weight, characterized in that configured including a hydrophilic coating layer formed to a thickness of 0.1 ~ 7㎛.
  10. The method of claim 9, wherein the plastic lens is eyidi the lens (ADC LENS), aryl-diglycol-carbonate lenses, polycarbonate (POLYCARBONATE), PMMA (POLYMETHYL METHACRYLATE, ACRYL LENS), polyurethane, eyidi when (ADC), di allyl isophthalate (DAP) resin, polyamide (pOLYAMIDE), Bang-based resin, clear-based urethane resin, tri-Bex (TRIVEX), yen x T (NXT) anti characterized in that the material of either one kind of fog lens.
  11. Hard coated lenses (Lens Hard Coating) of the entire front and rear surfaces to a mean particle size range of 1 to 100㎚ a metal doped with a metal component of the crystalline titanium dioxide, or the crystalline titanium dioxide comprising anatase as the essential doped crystalline plastic as a lens photocatalyst solution containing the amorphous titanium dioxide a shell form of a titanium dioxide photocatalyst and a dispersing agent and dispersing medium, - the titanium dioxide surface phase to the crystalline dioxide to form a 10 to 50 wt% of amorphous titanium dioxide layer relative to the weight of titanium crystalline titanium dioxide core 80 to 95 parts by weight, R1 is a vinyl group as the curable binder, or methacrylic lock time, mercapto hydrocarbon group of C1 ~ C4 having a clay, an amino group or an epoxy group, R3 is a hydrocarbon group or an acyl group of C1 ~ C8, a and b are each 0 or 1, R1aR2bSi (OR3) when seen kokol represented by the formula 4-ab silane, or its hydrolyzate or a portion Anti-fogging lens for a hydrolyzate of alkoxysilane coating solution containing the silane-based compound solution, 5 to 20 parts by weight of a leveling agent and a solution of 10 to 40 parts by weight, characterized in that configured including a hydrophilic coating layer formed to a thickness of 0.1 ~ 7㎛.
  12. 12. The method of claim 11, a plastic lens is eyidi the lens (ADC LENS), aryl-diglycol-carbonate lenses, polycarbonate (POLYCARBONATE), PMMA (POLYMETHYL METHACRYLATE, ACRYL LENS), polyurethane, eyidi when (ADC), di allyl isophthalate (DAP) resin, polyamide (pOLYAMIDE), Bang-based resin, clear-based urethane resin, tri-Bex (TRIVEX), yen x T (NXT) anti characterized in that the material of either one kind of fog lens.
PCT/KR2014/007151 2013-08-05 2014-08-04 Anitfog lens and production method therefor WO2015020368A3 (en)

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KR101610217B1 (en) 2014-06-23 2016-04-07 주식회사 제이케이리서치 Anti-fog coating layer structure and method for forming thereof
KR101783800B1 (en) 2017-03-23 2017-10-10 주식회사 스포컴 Electro-chromic system for eyewear

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