WO2017010791A1 - 전자기파 차단용 광학 조성물 및 이로부터 광학 렌즈를 제조하는 방법 - Google Patents
전자기파 차단용 광학 조성물 및 이로부터 광학 렌즈를 제조하는 방법 Download PDFInfo
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- WO2017010791A1 WO2017010791A1 PCT/KR2016/007572 KR2016007572W WO2017010791A1 WO 2017010791 A1 WO2017010791 A1 WO 2017010791A1 KR 2016007572 W KR2016007572 W KR 2016007572W WO 2017010791 A1 WO2017010791 A1 WO 2017010791A1
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- C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
- C08J7/04—Coating
- C08J7/046—Forming abrasion-resistant coatings; Forming surface-hardening coatings
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- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
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- C08G18/08—Processes
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- C08G18/22—Catalysts containing metal compounds
- C08G18/24—Catalysts containing metal compounds of tin
- C08G18/242—Catalysts containing metal compounds of tin organometallic compounds containing tin-carbon bonds
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- C08G18/246—Catalysts containing metal compounds of tin tin salts of carboxylic acids containing also tin-carbon bonds
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- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
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- C08G18/724—Combination of aromatic polyisocyanates with (cyclo)aliphatic polyisocyanates
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
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- C08G18/755—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring containing at least one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group containing one isocyanate or isothiocyanate group linked to the cycloaliphatic ring by means of an aliphatic group having a primary carbon atom next to the isocyanate or isothiocyanate group and at least one isocyanate or isothiocyanate group linked to a secondary carbon atom of the cycloaliphatic ring, e.g. isophorone diisocyanate
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
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- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
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- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
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- C08K5/005—Stabilisers against oxidation, heat, light, ozone
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
- E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
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- G—PHYSICS
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- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
- B29K2995/0003—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds having particular electrical or magnetic properties, e.g. piezoelectric
- B29K2995/0011—Electromagnetic wave shielding material
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- B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
- B29K2995/0018—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds having particular optical properties, e.g. fluorescent or phosphorescent
- B29K2995/0034—Polarising
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- G02C7/00—Optical parts
- G02C7/10—Filters, e.g. for facilitating adaptation of the eyes to the dark; Sunglasses
Definitions
- the present invention relates to an optical composition using an optical resin composition for blocking electromagnetic waves, in particular, an optical resin composition capable of blocking near infrared rays in the ultraviolet region of 400 nm or less and / or the wavelength range of 800 to 1000 nm, and the like.
- Glasses or sunglasses made of the optical composition not only corrects vision but also serves to protect the eyes from harmful rays such as ultraviolet rays and infrared rays.
- UV rays pass through the human lens, they denature the protein and cause vision loss. Thus, failure to protect the eye from ultraviolet light can cause multiple eye infections and serious damage to the conjunctiva and cornea.
- ultraviolet light is becoming stronger, and the frequency of cataracts is increasing among young people in their 20s and 40s. The biggest reason for this is thought to be that the younger generation has increased the frequency of UV exposure as outdoor activities such as hiking, fishing and jogging have increased.
- NIR near IR wavelength
- Sunglasses for blocking infrared rays and ultraviolet rays are applied with a method of adding an infrared absorber that blocks infrared rays or an ultraviolet absorber that blocks ultraviolet rays (for example, Japanese Patent Application Laid-Open No. 2007-271744, 2000). -007871).
- Japanese Patent Publication No. 5166482 describes an optical resin composition capable of blocking near infrared rays with a transmittance of about 5% or less in a wavelength region of 800 to 1000 nm which is a near infrared region.
- These technical documents include polycarbonate resins, phthalocyanine-based dyes (A) in the range of 800 nm to 850 nm, phthalocyanine-based dyes (B) in the range of 950 nm to 1000 nm, and 875 nm to 925 nm.
- Disclosed is a method for producing an optical lens and an ophthalmic lens manufactured therefrom characterized in that the phthalocyanine-based dye (C) in the mixture is mixed at a specific ratio, melted and injected together with the resin.
- diethylene glycol bis-allyl carbonate (CR-39), polymethyl methacrylate (PMMA), methyl Methacrylate (MMA) and the like are illustrated, and polycarbonate (PC) is particularly preferred.
- diethylene glycol bis-allyl carbonate (CR-39) presented in such a known document is a thermosetting resin
- the polycarbonate (PC) which is a thermoplastic resin, has different properties from each other, melts it, and is injection molded into a cavity in a mold. Even if you can not do it, it is mentioned equally with other thermoplastic resins.
- PC Polycarbonate
- a thermoplastic resin is a resin that can be melted at a high temperature of 250 ° C. or higher, but a phthalocyanine system known as a near infrared absorber may be thermally decomposed when injection-molded with such a thermoplastic resin.
- the absorbent has a disadvantage in that it is difficult to be uniformly distributed in the molten high viscosity resin of the polycarbonate whose molecular weight is already determined.
- the optical resin composition for blocking the infrared ray using the phthalocyanine system it is necessary to cure through a mold polymerization reaction of a mold injection method at a relatively low temperature at which the phthalocyanine system is not pyrolyzed.
- polycarbonate has a disadvantage of birefringence as a spectacle lens and thermal deformation during processing.
- the present invention is a preliminary composition for use in the optical composition for electromagnetic wave shielding, comprising: (1) at least one polyisocyanate compound; And (2) an electromagnetic wave absorber having a high near infrared absorptivity having a transmittance of less than 5% in the vicinity of 800 to 1000 nm, by manufacturing a preliminary composition for an optical composition, and then using the same to provide an optical composition for electromagnetic wave blocking. Can solve the problem.
- the present invention provides an optical composition for blocking electromagnetic waves, comprising a mixture of a polyurethane-based thermosetting resin composition and an electromagnetic wave absorber, comprising: (1) at least one of polyisocyanate compounds as liquid (I); (2) at least one of polythiol compounds as liquid (II); And (3) one of the electromagnetic wave absorbers, a near infrared absorber having a high near infrared absorptivity of less than 5% transmittance in the vicinity of 800 to 1000 nm; providing an optical composition for electromagnetic wave blocking, it can solve the conventional problems.
- the present invention can provide a precomposition for an optical composition using a phthalocyanine system as a near infrared absorber, and furthermore, it is possible to provide a thermosetting polyurethane resin and an optical composition for effectively blocking electromagnetic waves.
- a sunglasses (glasses) lens that can effectively block the region of the near infrared wavelength of 800 nm ⁇ 1000 nm with ultraviolet rays of 400 nm or less included in the sunlight emitting electromagnetic waves, It can effectively protect eyesight from infrared rays.
- EXP-1 is a representative UV-VIS-NIR absorption spectrum of a near infrared cut-off lens
- EXP-1) is used only when the UV absorber
- EXP-2) is used when the UV absorber and 500 ppm of the near infrared absorber
- EXP-4) is a case where 1000 ppm of a UV absorber and a near-infrared absorber are used, and it is a graph which shows the evaluation result of near-infrared absorbing power.
- 2-8 is a graph which shows the evaluation result of near-infrared absorptivity in the UV-Vis-NIR absorption spectrum of the lens obtained in Examples 1-7 of this invention, respectively.
- FIGS. 9 and 10 are graphs showing evaluation results of near-infrared absorptivity in the UV-Vis-NIR absorption spectra of the lenses obtained in Examples 8 and 9 of the present invention, respectively.
- FIG. 11 is a graph showing evaluation results of near-infrared absorptivity in the UV-Vis-NIR absorption spectrum of the lens obtained in Example 10 of the present invention.
- the Y axis is the light transmittance (T%)
- the X axis is the wavelength (nm).
- the curve of blue (EXP-1) at the top shows that ultraviolet rays below 400 nm are blocked by adding an ultraviolet absorber.
- the remaining three graphs (EXP-2, EXP-3, and EXP-4) of FIG. 1 use a UV absorber and a near infrared absorber together to partially block visible light of 400 to 800 nm, and transmittance of 10 to 20% or more. This is to make it visible to the eye. If the visible light transmittance is 0%, eyes are invisible when the lens is worn, so a high transmittance is good. However, when a large amount of near-infrared absorber is added, there is a side effect of blocking visible light, and therefore, an appropriate range of addition is required.
- the three graphs of FIG. 1 are graphs showing near-infrared absorbers by concentration.
- the two graphs below (EXP-3 and EXP-4) show near zero percent transmittance in the near-infrared region (800-1000 nm). It shows that there is an effect to block, and in the present invention shows that it is a combination of the appropriate concentration of the near infrared absorber.
- a polyurethane-based spectacle lens is obtained by mixing and degassing a polyisocyanate, a liquid (I), a polyol or a polythiol, a liquid (II), to obtain a uniform optical composition, and then thermosetting the glass mold in a desired glass mold. After mold release to prepare.
- the reason for separately preparing the liquid phase (I) and the liquid phase (II) is that the functional group (-NCO) of the isocyanate and the functional group (-OH) of the polyol or the functional group (-SH) of the polythiol are easily polymerized when mixed. This is because it must be stored separately.
- resin can be obtained in the form of lens when the two liquids are mixed and injected into the mold and polymerized by curing program. Therefore, liquid phase (I) and liquid phase (II) need to be manufactured and stored separately.
- the polyurethane-based near-infrared spectacle lens includes a near-infrared absorber that is a solid mixed with one or more pigments, in addition to the polyisocyanate in liquid (I) and the polyol or polythiol in liquid (II).
- a near-infrared absorber that is a solid mixed with one or more pigments, in addition to the polyisocyanate in liquid (I) and the polyol or polythiol in liquid (II).
- the near-infrared absorbent is a solid, it is necessary to prepare a uniform absorbent solution by uniformly mixing the absorbent with the polyisocyanate used in the liquid phase (I) in advance.
- the present invention is necessary to provide a preliminary composition for an optical composition having a polyisocyanate and an electromagnetic wave absorber as a main component.
- the present invention is a pre-composition for use in an optical composition for electromagnetic wave shielding, comprising: (1) at least one of polyisocyanate compounds; And (2) an electromagnetic wave absorber having a high near infrared absorptivity of less than 5% transmittance in the vicinity of 800 to 1000 nm.
- the content of the near infrared absorber included in the electromagnetic wave absorber is in the range of 0.01 to 0.5% by weight, preferably in the range of 0.02 to 0.1% by weight, more preferably in the range of 0.03 to 0.08% by weight, based on the precomposition for the optical composition. If the content of the near infrared absorber is less than this range, there is a problem in the near infrared absorbing ability, and if it exceeds this range, it is uneconomical.
- ultraviolet absorbers since ultraviolet rays are shorter wavelengths than the visible light region (400-800 nm), only those short wavelengths need to be blocked. Thus, ultraviolet absorbers known in the art are used in the optical composition. On the other hand, since the infrared absorber is in the longer wavelength region than the visible light region, unlike the ultraviolet absorber, if the unconditional blocking thereof also blocks the visible light region, a special absorbent should be used. In particular, the near-infrared absorber needs to be finely adjusted to block only a part of visible light and to have a transmittance of 20% or more.
- the final optical wave shielding optical composition of the present invention is (1) a polyisocyanate compound; (2) polyols or polythiol compounds; And (3) may be prepared by sequentially mixing the electromagnetic wave absorber.
- the present invention is an optical composition for electromagnetic wave blocking comprising a mixture of a polyurethane-based thermosetting resin composition and an electromagnetic wave absorber,
- a near-infrared absorber which has a high near-infrared absorbing capacity of less than 5% of transmittance in the vicinity of 800 to 1000 nm as an electromagnetic wave absorber;
- It relates to an optical composition for blocking electromagnetic waves.
- the polyisocyanate compound is xylylenediisocyanate (XDI), 2,5 (6) -bis (isocyanatemethyl) -bicyclo [2,2,1] heptane (NBDI), 1,6 It is preferably at least one selected from the group consisting of hexamethylene diisocyanate (HDI), isophorone diisocyanate (IPDI), dicyclohexyl methane diisocyanate (H12MDI) and biuret of aliphatic isocyanates.
- HDI hexamethylene diisocyanate
- IPDI isophorone diisocyanate
- H12MDI dicyclohexyl methane diisocyanate
- biuret of aliphatic isocyanates biuret of aliphatic isocyanates.
- the polythiol compound may be selected from 2,3-bis (2-mercaptoethylthio) -propane-1-thiol (GST) and pentaerythritol tetrakis (mercaptopropionate) (PEMP), 1,3-bis (2-mercaptoethylthio) propane-2-thiol (MET) (3,6,10,13-tetrathiapentadecane-1,8,15-tritriol) (SET) , 2- (2-mercaptoethylthio) propane-1,3-dithiol (GMT), 4,8-dimercaptomethyl-1,11-dimercapto-3,6,9-trithiaoundecan Preferably at least one selected from the group consisting of (DMDDU).
- GST 2,3-bis (2-mercaptoethylthio) -propane-1-thiol
- PEMP pentaerythritol tetrakis
- MET 1,
- the near-infrared absorber is preferably a mixture of a plurality of phthalocyanine-based dyes having different structures.
- Each of the phthalocyanine-based dyes has a transmittance of 10% within the range of (1) 800 nm to 850 nm, (2) 875 nm to 925 nm, and (3) 950 nm to 1000 nm. It is more preferable that it is a pigment
- the present invention may further comprise one or more ultraviolet absorbers selected from the group consisting of:
- the optical composition for blocking electromagnetic waves may be applied to window glass of sliding, double or single hung or casement windows that can block electromagnetic waves.
- the polarizing function, the dimming function, or a combination of these functions can further be given to the optical lens manufactured from the optical composition for electromagnetic wave blocking obtained by this invention.
- the present invention provides a method of manufacturing an optical lens for blocking electromagnetic waves by molding a mixture of a polyurethane-based thermosetting resin composition and an electromagnetic wave absorber by molding polymerization,
- liquid phase (I) of an optical composition comprising at least one of polyisocyanate compounds
- liquid phase (II) of the optical composition comprising at least one of a polyol or a polythiol compound
- a polyisocyanate used in the liquid phase (I) is mixed with a near infrared absorber having a high near infrared absorptivity of less than 5% transmittance at around 800 to 1000 nm, a ultraviolet absorber having a ultraviolet absorbance of 400 nm or less, or both Obtaining a uniform electromagnetic wave absorber solution;
- a polyisocyanate compound and a polyol or polythiol compound are mixed and polymerized by mold polymerization to prepare an optical lens, and then the obtained optical lens is coated with a near infrared absorber coating solution. It is also possible to manufacture a desired optical lens for blocking electromagnetic waves.
- the present invention is a method of manufacturing an optical lens for blocking electromagnetic waves
- liquid phase (I) comprising at least one of the polyisocyanate compounds and a liquid phase (II) of the optical composition comprising at least one of the polyol or the polythiol compound;
- It provides a method of manufacturing an optical lens for blocking electromagnetic waves.
- the present invention is preferably carried out by the coating process of step (4) by any one or more of spin coating, dip coating, spray coating, roll coating.
- the method may further include performing any one or more of hard coating, multi coating, ultraviolet coating, photochromic coating, water film coating, and super water-repellent coating on the optical lens on which the electromagnetic wave blocking layer is formed.
- the emulsion used in the step of obtaining the near-infrared absorbent coating liquid is sufficient to be an emulsion for ordinary polyurethane, SANPRENE ® LQ 3510 of Sanyo Chemical Industries is preferred.
- various fluorinated surfactants / surface modifiers can be added, with fluoroaliphatic polymer esters of FLUORAD®FC-430 available from 3M company.
- examples of the polyisocyanate compound used as the compound of the liquid phase (I) may be subdivided into aliphatic polyisocyanate, alicyclic polyisocyanate, and aromatic polyisocyanate, each example being as follows:
- ethylene diisocyanate trimethylene diisocyanate, tetramethylene diisocyanate, hexamethylene diisocyanate, octamethylene diisocyanate, nona methylene diisocyanate, 2,2'-dimethylpentane diisocyanate, 2,2,4-trimethylhexanedi Isocyanate, decamethylene diisocyanate, butenedi isocyanate, 1,3-butadiene-1,4-diisocyanate, 2,4,4-trimethylhexamethylene diisocyanate, 1,6,11-unated cationic isocyanate, 1,3, 6-hexamethylenetriisocyanate, 1,8-diisocyanate-4-isocyanatemethyloctane, 2,5,7-trimethyl-1,8-diisocyanate-5-isocyanate methyloctane, bis (ethyl isocyanate) carbonate, Bis (isocyanate ethyl
- isophorone diisocyanate bis (isocyanate methyl) cyclohexane, dicyclohexyl methane diisocyanate, cyclohexane diisocyanate, methylcyclohexane diisocyanate, dicyclohexyldimethylmethane diisocyanate, 2,2'-dimethyldicyclohexyl Methane diisocyanate, bis (4-isocyanate-n-butylidene) pentaerythritol, dimer acid diisocyanate, 2-isocyanate methyl-3- (3-isocyanatepropyl) -5-isocyanate methyl-bicyclo-2, 2, 1-heptane, 2-isocyanatemethyl-3- (3-isocyanatepropyl) -6-isocyanatemethyl-bicyclo- [2, 2, 1] -heptane, 2-isocyanatemethyl-2- (3-isocyanatepropyl)- 5-
- Phenylene diisocyanate tolylene diisocyanate, ethyl phenylene diisocyanate, isopropyl phenylene diisocyanate, dimethyl phenylene diisocyanate, diethyl phenylene diisocyanate, diisopropyl phenylene diisocyanate, trimethyl benzene triisocyanate, benzene triisocyanate, naphthalin Diisocyanate, methylnaphthalene diisocyanate, biphenyl diisocyanate, toluidine diisocyanate, 4,4'-diphenylmethane diisocyanate, 3,3'-dimethyldiphenylmethane-4,4'-diisocyanate, bibenzyl, 4 , 4'- diisocyanate, bis (isocyanate phenyl) ethylene, 3,3'- dimethoxybiphenyl-4,4'- diisocyanate,
- meta-xylylene diisocyanate (XDI), 2,5 (6) -bis (isocyanate methyl) -bicyclo [2,2,1] heptane (NBDI), 1,6-hexamethylene diisocyanate (HDI), isophorone diisocyanate (IPDI), dicyclohexyl methane diisocyanate (H12MDI) and the like, and furthermore Biuret derivatives, trimers (e.g. polyisocyanurate) derivatives of isocyanates can also be used.
- Aliphatic Biuret derivatives, such as HDI are an isocyanate compound represented by following General formula (1) here.
- Isocyanate compounds of the biuret type represented by the formula (1) is 1,2-ethylene diisocyanate, 1,3-propylene diisocyanate, 1,4-butylene diisocyanate, 1,6-hexamethylene diisocyanate, 1,7-heptamethylene diisocyanate, 1,8-octamethylene diisocyanate, 1,9-nonamethylene diisocyanate, 1,10- decamethylene diisocyanate, etc. can be manufactured easily as a raw material. Further, this may be used by purifying the obtained compound, and raw material monomer itself may be mixed, and commercially available products such as Bayer's Desmodur N100 and Perstop's Tolonate HDB LV may be used. In addition, the trimer may be easily manufactured and used as the raw material as in the burette, and a commercially available product such as Tolonate HDT LV of Vencorex may be used.
- the polyol used as the compound of the liquid phase (II) may use a conventional polyol for polyurethane, and in particular, as the polythiol compound, there are the following compounds:
- GST 2,3-bis (2-mercaptoethylthio) -propane-1-thiol
- 1,3-bis (2-mercaptoethylthio) propane-2-thiol MET
- SET 1,3-bis (2-mercaptoethylthio) propane-2-thiol
- SET pentaerythritol tetrakis
- PEMP pentaerythritol tetrakis
- PEMP pentaerythritol tetrakis
- PEMP pentaerythritol tetrakis
- the molar ratio of the functional group of NCO / SH in the functional group (-NCO) of the polyisocyanate used as the liquid phase (I) and the functional group (-SH) of the polythiol used as the liquid phase (II) is in the range of 0.5 to 1.5. It is preferable to use. Furthermore, in order to further improve the physical properties of the optical lens, the range of 0.9 to 1.1 molar ratio is preferable, and it is more preferable to use at 1.0 molar ratio.
- polyisocyanate when Biuret (HDI derivative), HDI, and IPDI are used together, these ratios are preferably used in a weight ratio of 30 to 40: 20 to 30: 30 to 40.
- high refractive resin of 1.59 ⁇ 1.60 (nD) or more can be obtained by using GST alone, and in case of using only PEMP, refractive index of 1.55 ⁇ 1.56 (nD) or more can be obtained. There is no need to limit it.
- the use ratio is preferably in the range of 10 to 20 wt%, and more preferably in the range of 14 to 18 wt% of the content of PEMP in the polythiol. If it is out of this range, the impact resistance tends to be slightly reduced, and in the case of 20 wt% or more, the refractive index is also decreased, and it is preferable to use it after adjusting appropriately.
- the near-infrared absorber solution which can be used for the lens of this invention will not be specifically limited if it is a solution of the pigment which has the maximum absorption in a near-infrared region (wavelength 800-1200 nm).
- phthalocyanine-based pigments are well known as near-infrared absorbers, and the process of changing the threshold of absorbing wavelength due to other molecular structures is also well known. Therefore, various phthalocyanine type pigment
- the solution which mixed at least two or more types of a near-infrared absorber is preferable.
- phthalocyanine-based pigments examples include Excolor IR-Series and TXEX-Series from Nihon Shokubai Co., Ltd., MIR-369 and MIR-389 from Mitsui Corporation, and PANAX from Uksung Chemical Co., Ltd. Can be used.
- the kind and amount of such phthalocyanine-based absorbent may be determined by preliminary practice from the change in the spectral transmittance curve in a state in which the transmittance in the visible light region is ensured at 10-20% or more. For example, a curve is analyzed for the spectral transmittance of the light-transmissive resin obtained by appropriately mixing a plurality of phthalocyanine-based dyes having different structures in a proportion of a certain amount by weight with respect to a composition of a certain amount of the polyurethane resin monomer. If the amount of the phthalocyanine-based pigment is small, the absorption ability in the near infrared region is insufficient, on the contrary, in many cases, the performance of the spectacle lens will deteriorate due to the lack of transparency in the visible ray region.
- a plurality of phthalocyanine-based dyes are selected so as to exhibit high near-infrared absorption ability of less than 5% transmittance in the vicinity of 800 to 1000 nm. Subsequently, an appropriate amount is added or increased in a proportion of a certain range, the spectral transmittance curve of the obtained translucent polyurethane resin is repeated and analyzed, and then the optimum combination and amount of phthalocyanine-based dyes are determined.
- PANAX FND-83 as a phthalocyanine-based pigment (I) having a minimum value of a spectral transmittance curve of less than 10% of transmittance within a range of a wavelength range of 800 nm to 850 nm;
- PANAX FND-88 as a phthalocyanine-based pigment (II) having a minimum value of a spectral transmittance curve of less than 10% in the transmittance within a range of a wavelength region of 875 nm to 925 nm;
- ANAX FND-96 which is a phthalocyanine-based dye (III) having a minimum value of a spectral transmittance curve of less than 10% of transmittance within a range of a wavelength range of 950 nm to 1000 nm.
- the present invention a preliminary example of determining the amount of the dye by adding or increasing an appropriate amount of a plurality of phthalocyanine dyes in the range of 0.01 to 100 g with respect to 100 kg of the poly (thio) urethane composition was performed.
- the preferred amount of pigment is in the range of about 10 to 80 g based on 100 kg of the poly (thio) urethane composition.
- any known ultraviolet absorber that can be used in the resin composition for the spectacle lens can be used without limitation.
- ethyl-2-cyano-3,3-diphenylacrylate 2- (2'-hydroxy-5-methylphenyl) -2H-benzotriazole; 2- (2'-hydroxy-3 ', 5'-di-t-butylphenyl) -5-chloro-2H-benzotriazole; 2- (2′-hydroxy-3′-t-butyl-5′-methylphenyl) -5-chloro-2H-benzotriazole; 2- (2′-hydroxy-3 ′, 5′-di-t-amylphenyl) -2H-benzotriazole; 2- (2′-hydroxy-3 ′, 5′-di-t-butylphenyl) -2H-benzotriazole; 2- (2′-hydroxy-5′-t-butylphenyl) -2H-benzotriazole; 2- (2′-hydroxy-5′-t-butylphenyl)
- 2- (2′-hydroxy-5-methylphenyl) -2H-benzotriazole 2-hydroxy having good ultraviolet absorption in the wavelength range of 400 nm or less and having good solubility in the composition of the present invention.
- UV absorbers used in the present invention may be included in the range of 0.001 to 10% by weight (10ppm to 100,000ppm) with respect to 100kg of the poly (thio) urethane composition in order to improve the effective UV protection and light stability, preferably Is in the range of 0.1 to 5% by weight (1,000 ppm to 50,000 ppm), more preferably 0.3 to 2% by weight (3,000 ppm to 20,000 ppm). If the UV absorber is used less than the above range, it is difficult to effectively block ultraviolet rays harmful to the eyes, and if it is used beyond this range, it is difficult to dissolve in the optical lens composition, and spot patterns appear on the surface of the hardened optical lens or transparency of the optical lens Falling problems can occur.
- the present invention in order to uniformly prepare an absorbent composed of a near-infrared absorber, it is necessary to uniformly mix the polyisocyanate used in the liquid phase (I) to prepare a uniform absorbent solution.
- the resin monomer used for the solution of the near infrared absorber is not particularly limited as long as it can dissolve or disperse the near infrared absorber uniformly. Suitable polyester, acrylic, polyamide, polyurethane, polyolefin, and polycarbonate resins are suitable. Can be used.
- polyurethane optical composition used in the present invention since polyisocyanate is used as the component of the liquid phase (I), it is preferable to use a part thereof as it is in the present invention.
- additives may be used to obtain the necessary optical properties to be provided as a lens such as transparency, refractive index, specific gravity, impact resistance, heat resistance, viscosity of the polymerization composition, etc. of the resin obtained from the polymerization composition of the present invention.
- various substances such as a light stabilizer, an antioxidant, a blueing agent for initial color correction of the monomer may be added to the composition of the present invention.
- a reaction catalyst can be added suitably.
- a catalyst which is preferably used for example, as a urethane-ized catalyst, dibutyltin dilaurate, dibutyltin dichloride, dimethyltin dichloride, tetramethyldiacetoxydistanoxane, tetraethyldiacetoxydistar Amine compounds, such as tin compounds, such as a noxic acid, tetrapropyl diacetoxy distanoxane, and a tetrabutyl diacetoxy distanoxane, and a tertiary amine, can be used.
- a catalyst it is preferable to use in 0.001 to 1 weight% with respect to the monomer total weight of a composition. In this range, it is preferable in view of the polymerizability, the pot life during operation, the transparency of the obtained resin, various optical properties or light resistance.
- the resin composition for an optical lens of the present invention may further include a color corrector for correcting the initial color of the lens.
- a color corrector organic dyes, organic pigments, inorganic pigments, and the like may be used. By adding 0.1-50,000 ppm, preferably 0.5-10,000 ppm of such organic dyes to the resin composition for optical lenses, the color of the lens can be corrected by the addition of an ultraviolet absorber, an optical resin and a monomer.
- the resin composition for an optical lens of the present invention may further include a mold release agent and a polymerization initiator that are commonly used.
- a component selected from fluorine-based nonionic surfactants, silicone-based nonionic surfactants and alkyl quaternary ammonium salts may be used alone or in combination of two or more thereof.
- phosphate ester is used.
- the polymerization initiator may be used alone or in combination of two or more amine-based or tin-based compounds.
- the polyurethane lens produced by the present invention has suitable physical properties as a near infrared cut-off spectacle lens.
- properties of each (1) refractive index (nD) and Abbe's number ( ⁇ d ), (2) impact resistance, (3) heat resistance (Tg), and (4) visible and near infrared transmittance were evaluated by the following test methods. It was.
- Impact resistance is the weight that is destroyed by dropping light steel ball from heavy steel ball to heavy steel ball at 127cm height in order to test specimen made of flat plate of 80mm diameter and 1.2mm thickness at room temperature 20 °C according to US FDA standard. Impact resistance was measured by potential energy.
- Iron ball weight Using a ball ball of 16g, 32g, 65g, 100g, 200g, and 300g, the ball dropping test for each height is used to calculate the potential energy at the time of failure.
- Tg glass transition temperature
- the monomer constituting the polyisocyanate and the near-infrared absorber are mixed at a specific ratio, and the monomer constituting the polythiol is mixed at a specific ratio and stirred. Then, each specific amount of internal release agent, UV absorber, organic dye, and curing catalyst are added to the obtained mixture. Subsequently, the finally obtained polyurethane optical resin composition is defoamed for a predetermined time, and then injected into a glass mold assembled with an adhesive tape.
- the glass mold into which the mixture is injected is charged into a forced circulation oven. Repeat the following steps in the oven and cool to polymerize the mixture: room temperature to 35 ° C 4 hours elevated, 35 to 50 ° C 5 hours elevated, 50 to 75 ° C 4.5 hours elevated, 75 to 90 ° C 5 hours elevated, 90 ° C 3 hours
- room temperature to 35 ° C 4 hours elevated, 35 to 50 ° C 5 hours elevated, 50 to 75 ° C 4.5 hours elevated, 75 to 90 ° C 5 hours elevated, 90 ° C 3 hours
- polymerization completion a lens is removed from a mold and a urethane optical lens is obtained. The lens obtained from this is annealed at 120 degreeC for 1 hour and 40 minutes. After annealing, the lens dough cured in the glass mold was released to obtain an optical lens having a center thickness of 1.2 mm.
- the optical lens obtained above was processed to a diameter of 80 mm, ultrasonically washed in an alkaline aqueous washing solution, and then subjected to annealing at 120 ° C. for 2 hours, and then the dough lens was thermally dried after coating by dipping in a silicone-based hard solution. Subsequently, vacuum deposition is carried out on both surfaces in the order of silicon oxide, zirconium oxide, silicon oxide, ITO, zirconium oxide, silicon oxide, zirconium oxide to obtain a hard coated and multi-coated optical lens.
- Example 2 Instead of the amount of the near infrared absorber used in Example 1, except that 0.07 g (700 ppm) of the near infrared absorber (PANAX FND-83 0.028g, PANAX FND-88 0.014g, PANAX FND-96 0.028g) was used. The components and the procedure proceed in the same manner as in Example 1. The analysis result of UV-Vis-NIR of the obtained near-infrared cut off lens is shown in FIG.
- Example 2 Instead of the amount of near-infrared absorber used in Example 1, except that 0.1 g (1000 ppm) of near-infrared absorbent (PANAX FND-83 0.04g, PANAX FND-88 0.02g, PANAX FND-96 0.04g) was used. The components and the procedure proceed in the same manner as in Example 1. The analysis result of UV-Vis-NIR of the obtained near-infrared cut off lens is shown in FIG.
- Example 1 Example 2 Example 3 Monomer composition (g) HDI Biuret (g) 21.18 g 21.18 g 21.18 g HDI (g) 14.12 g 14.12 g 14.12 g IPDI (g) 21.18 g 21.18 g 21.18 g PEMP (g) 7.27 g 7.27 g 7.27 g GST (g) 36.26 g 36.26 g 36.26 g NIR absorbers 0.03g (300ppm) 0.07g (700ppm) 0.1g (1000ppm) Lens property Shock resistance E (J) 5.5J 5.5J 5.5J Tg (°C) 89.79 °C 90.8 °C 90.2 °C Refractive index (nD) 1.5928 1.5926 1.5932 Abbe number ( ⁇ d ) 42.6 40 41 Exterior Black transparent Black Dark Transparent Black Dark Transparent Transmittance (T%) (520 nm) 50.4% (520 nm) 43.7% (520 nm) 35.7% (
- Example 1 Except for the following components and processes in this example, the release agent, UV absorber, organic dye, and catalyst used in Example 1 were used as it is.
- HDI Biuret 18.45g, HDI 12.3g, IPDI 18.45g, and after adding 0.07g (700ppm) of near infrared absorber (PANAX FND-83 0.028g, PANAX FND-88 0.014g, PANAX FND-96 0.028g) Stir for 40 minutes at a pressure of 10 torr or less to obtain 49.21 g of a mixture of liquid phase (I).
- 50.78 g of PEMP was mixed with 49.21 g of the liquid (I) obtained above, 0.12 g (1200 ppm) of a release agent, 1.5 g (15000 ppm) of a UV absorber, and stirred for about 40 minutes at a pressure of 10 torr or less.
- Example 1 Except for the following components and processes in this example, the release agent, UV absorber, organic dye, and catalyst used in Example 1 were used as it is.
- NBDI 50.52g and near-infrared absorber 0.07g (700ppm) (PANAX FND-83 0.028g, PANAX FND-88 0.014g, PANAX FND-96 0.028g) were added and stirred for 40 minutes at a pressure of 10torr or less to add liquid (I). Get it. Further, 23.94 g of PEMP and 25.53 g of GST are mixed and stirred for 40 minutes at a pressure of 10 torr or less to obtain liquid phase (II).
- Example 1 Except for the following components and processes in this example, the release agent, UV absorber, organic dye, and catalyst used in Example 1 were used as it is.
- Example 4 Example 5 Example 6 Example 7 Monomer composition (g) HDI Biuret (g) 18.45 g HDI (g) 12.3 g IPDI (g) 18.45 g NBDI (g) 50.52 g XDI (g) 52 g 50.65 PEMP (g) 50.78 g 23.94 g GST (g) 25.53 g 48 g DMDDU (g) 49.35 g NIR absorbers 0.07g (700ppm) 0.07g (700ppm) 0.07g (700ppm) 0.07g (700ppm) Lens property Shock resistance E (J) 3.35J 1.62J 0.3J 0.3J Tg (°C) 84.6 °C 118.18 °C 86.4 °C 106.5 °C Refractive index (nD) 1.5928 1.6029 1.6624 1.6631 Abbe number ( ⁇ d ) 48 41.2 30.8 30.3 Exterior Black transparent Black transparent Black transparent Black transparent Black transparent Black transparent Black transparent Transmittance (T%) (520 n
- the concentration of the near-infrared absorber was fixed at 700 ppm, and the urethane resin was experimented while varying the refractive index with a medium refractive index, a high refractive index, and an ultrahigh refractive index resin.
- the medium to ultra high refractive index monomer composition in commercial use, it effectively blocks ultraviolet rays and near infrared rays harmful to the human body, and transmittance in the visible light region is 25.6 ⁇ 30.9% is considered to be able to be utilized as sunglasses enough.
- the present invention can be applied to various urethane-based optical lenses by utilizing the near-infrared absorber.
- Example 1 which is a compound of polythiol used in Example 1, MET was used, and instead of the amount of near infrared absorber used in Example 1, 0.07 g (700 ppm) of near infrared absorbent (PANAX FND-83 0.028 g, PANAX) Using the FND-88 0.014g, PANAX FND-96 0.028g), the remaining components and procedures proceed in the same manner as in Example 1 to obtain a final lens.
- the analysis result of UV of the obtained near-infrared cut off lens is shown in FIG.
- Example 1 Except for the following components and processes in this example, the release agent, UV absorber, organic dye, and catalyst used in Example 1 were used as it is.
- Example 8 Monomer composition (g) HDI Biuret (g) 21.18 g 18.18 g HDI (g) 14.12 g 12.1 g IPDI (g) 21.18 g 18.18 g PEMP (g) 7.27 g 8.61 g MET (g) 36.26 g SET (g) 42.96 g NIR absorbers 0.07g (700ppm) 0.07g (700ppm) Lens property Shock resistance E (J) 3.7J 5.5J Tg (°C) 85.0 °C 78.38 °C Refractive index (nD) 1.5929 1.5902 Abbe number ( ⁇ d ) 40.9 39.8 Exterior Black transparent Black transparent Transmittance (T%) (520 nm) 26.8% (520 nm) 35.3% (520 nm)
- the concentration of the near-infrared absorber was fixed at 700 ppm, and the experiment was performed while changing the polythiol compound to MET and SET, and the near-infrared blocking efficiency was excellent.
- the visible light transmittance is also effective as 26.8 ⁇ 35.5%, and particularly, the impact energy is excellent as 3.7 (J) and 5.5 (J), and the electromagnetic wave shielding efficiency is high even with different types of polythiol. It is expected to be used.
- Example 1 an optical lens without using a near infrared absorber was prepared in Example 1, and then the lens was impregnated with the near infrared absorber coating solution to prepare a lens that was blocked with near infrared rays after curing.
- HDI Biuret 21.18g, HDI 14.12g, IPDI 21.18g are mixed and stirred, and then, as a polythiol compound, 7.27g of PEMP and 36.26g of GST are mixed and stirred for 40 minutes at a pressure of 10torr or less to give 43.53g of liquid (II). Polythiol of is obtained. Then, 56.48 g of the mixture of liquid (I) was mixed with the obtained mixture of liquid (II), 0.12 g (1200 ppm) of a release agent (acidic phosphate ester commercially available as ZELEC UN from DUPONT), and UV absorber (commercially available as UV-329). 1.5 g (15000 ppm) of 2- (2'-hydroxy-5'-t-octylphenyl) benzothiazole) in a mixture are mixed and stirred for about 40 minutes at a pressure of 10 torr or less.
- a release agent acidic phosphate ester commercially available as ZELEC UN from
- 0.063 g (630 ppm) (dibutyl tin chloride) of the catalyst was mixed and stirred for about 20 minutes at a pressure of 10 torr or less to finally obtain an optical resin composition.
- the obtained composition was put into an adhesive taped glass mold, and the program was preliminarily programmed (at room temperature to 35 ° C. for 4 hours, at 35 to 50 ° C. for 5 hours, at 50 to 75 ° C. for 4.5 hours, at 75 to 90 ° C. for 5 hours, and at 90 ° C. 3 Time holding, 90-130 ° C. for 2 hours, 130 ° C. for 1.5 hours, 130-70 ° C. for 1 hour), and then cured in an oven to release and obtain a lens.
- the lens obtained above was impregnated with the near-infrared absorber coating solution, and then the dip coating method was applied at a speed of 10 cm per minute.
- the analysis result of UV-Vis-NIR of the obtained near-infrared cut off lens was shown in FIG.
- the polyurethane resin substrate of the present invention includes, in addition to polarizing functions (minimizing reflected light on the surface of a nonmetallic object that transmits light only at a specific angle), dimming functions; Considering the utilization rate, it is possible to assign a function that can automatically control the illumination. Furthermore, in particular in the case of an optical lens, it may be possible to give a vision correction function.
- the polyurethane resin substrate according to the present invention has been described limited to the optical lens, but also applied when the window glass of the sliding window and sliding window (double or single hung) and casement window used in buildings, etc. need infrared absorption. You can do it.
- the polyurethane resin composition of the present invention prepared by mixing the phthalocyanine-based pigments may be molded to suit the required window frame, and then cured in various forms of glass molds.
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Abstract
Description
실 시 예 1 | 실 시 예 2 | 실 시 예 3 | ||
모노머조성물(g) | HDI Biuret(g) | 21.18 g | 21.18 g | 21.18 g |
HDI (g) | 14.12g | 14.12g | 14.12g | |
IPDI(g) | 21.18g | 21.18g | 21.18g | |
PEMP(g) | 7.27g | 7.27g | 7.27g | |
GST(g) | 36.26g | 36.26g | 36.26g | |
근적외선 흡수제 | 0.03g (300ppm) | 0.07g (700ppm) | 0.1g (1000ppm) | |
렌즈물성 | 내충격E(J) | 5.5J | 5.5J | 5.5J |
Tg (℃) | 89.79℃ | 90.8℃ | 90.2℃ | |
굴절율(nD) | 1.5928 | 1.5926 | 1.5932 | |
아베수(υd) | 42.6 | 40 | 41 | |
외관 | 검은색 투명 | 검은색 진함 투명 | 검은색 진함 투명 | |
투과도(T%)(520nm) | 50.4%(520nm) | 43.7%(520nm) | 35.7%(520nm) |
실 시 예 4 | 실 시 예 5 | 실 시 예 6 | 실 시 예 7 | ||
모노머조성물(g) | HDI Biuret(g) | 18.45 g | |||
HDI (g) | 12.3g | ||||
IPDI(g) | 18.45g | ||||
NBDI(g) | 50.52 g | ||||
XDI(g) | 52 g | 50.65 | |||
PEMP(g) | 50.78g | 23.94g | |||
GST(g) | 25.53g | 48g | |||
DMDDU(g) | 49.35g | ||||
근적외선 흡수제 | 0.07g (700ppm) | 0.07g (700ppm) | 0.07g (700ppm) | 0.07g (700ppm) | |
렌즈물성 | 내충격E(J) | 3.35J | 1.62J | 0.3J | 0.3J |
Tg (℃) | 84.6℃ | 118.18℃ | 86.4℃ | 106.5℃ | |
굴절율(nD) | 1.5928 | 1.6029 | 1.6624 | 1.6631 | |
아베수(υd) | 48 | 41.2 | 30.8 | 30.3 | |
외관 | 검은색 투명 | 검은색 투명 | 검은색 투명 | 검은색 투명 | |
투과도(T%)(520nm) | 27.2%(520nm) | 30.1%(525nm) | 25.6%(520nm) | 30.9%(525nm) |
실 시 예 8 | 실 시 예 9 | ||
모노머조성물(g) | HDI Biuret(g) | 21.18 g | 18.18g |
HDI (g) | 14.12g | 12.1g | |
IPDI(g) | 21.18g | 18.18g | |
PEMP(g) | 7.27g | 8.61g | |
MET(g) | 36.26g | ||
SET(g) | 42.96g | ||
근적외선 흡수제 | 0.07g (700ppm) | 0.07g (700ppm) | |
렌즈물성 | 내충격E(J) | 3.7J | 5.5J |
Tg (℃) | 85.0℃ | 78.38℃ | |
굴절율(nD) | 1.5929 | 1.5902 | |
아베수(υd) | 40.9 | 39.8 | |
외관 | 검은색 투명 | 검은색 투명 | |
투과도 (T%)(520nm) | 26.8%(520nm) | 35.3%(520nm) |
Claims (18)
- 전자기파 차단용 광학 조성물에 사용하기 위한 예비조성물로서,(1) 폴리이소시아네이트 화합물 중 적어도 1종; 및(2) 800 내지 1000 nm 부근에서 투과율 5% 미만의 높은 근적외선 흡수능을 갖는 전자기파 흡수제;를 포함하는, 광학 조성물용 예비조성물.
- 제1항에 있어서, 상기 전자기파 흡수제의 함량이 상기 예비조성물을 기준으로 할 때, 0.01 내지 0.5 중량% 범위내인, 광학 조성물용 예비조성물.
- 제2항에 있어서, 상기 전자기파 흡수제는 구조가 다른 복수의 프탈로시아닌계 색소의 혼합물로 이루어진 근적외선 흡수제인, 광학 조성물용 예비조성물.
- 제3항에 있어서, 상기 복수의 프탈로시아닌계 색소가 각각 (1) 800 nm~850 nm의 파장 영역, (2) 875 nm~925 nm의 파장 영역, 및 (3) 950 nm~1000 nm의 파장 영역의 범위내에 투과율 10% 미만의 분광 투과율 곡선의 극소치를 갖는 색소인, 광학 조성물용 예비조성물.
- 제3항에 있어서, 상기 폴리이소시아네이트 화합물은 자일릴렌디이소시아네이트(XDI), 2,5(6)-비스(이소시아네이트메틸)-비시클로[2,2,1]헵탄(NBDI), 1,6-헥사메틸렌디이소시아네이트(HDI) 및 이소포론디이소시아네이트(IPDI), 디시클로헥실 메탄 디이소시아네이트(H12MDI) 및 지방족 이소시아네이트의 뷰렛(biuret)으로 구성된 군으로부터 선택된 하나 이상인, 광학 조성물용 예비조성물.
- 제1항 내지 제5항 중 어느 한 항으로부터 얻어진 광학 조성물용 예비조성물, 및 폴리올 또는 폴리티올 화합물 중 적어도 1종을 함유하는, 전자기파 차단용 광학 조성물.
- 제6항에 있어서, 상기 폴리티올 화합물은 2,3-비스(2-메르캅토에틸티오)-프로판-1-티올 (GST), 펜타에리트리톨테트라키스(메르캅토프로피오네이트) (PEMP), 1,3-비스(2-메르캅토에틸티오)프로판-2-티올 (MET) (3,6,10,13-테트라티아펜타데칸-1,8,15-트리티올)(SET), 2-(2-메르캅토에틸티오)프로판-1,3-디티올(GMT), 4,8-디메르캅토메틸-1,11-디메르캅토-3,6,9-트리티아운데칸(DMDDU)로 구성된 군으로부터 선택된 하나 이상인, 전자기파 차단용 광학 조성물.
- 제6항에 있어서, 400 nm 이하의 자외선 흡수능을 가지면서, 다음으로 구성된 군으로부터 선택된 1종 이상의 자외선 흡수제를 추가로 포함하는 전자기파 차단용 광학 조성물:2-(2'-히드록시-5-메틸페닐)-2H-벤조트리아졸; 2-(2'-히드록시-3',5'-디-t-부틸페닐)-5-클로로-2H-벤조트리아졸; 2-(2'-히드록시-3'-t-부틸-5'-메틸페닐)-5-클로로-2H-벤조트리아졸; 2-(2'-히드록시-3',5'-디-t-아밀페닐)-2H-벤조트리아졸; 2-(2'-히드록시-3',5'-디-t-부틸페닐)-2H-벤조트리아졸; 2-(2'-히드록시-5'-t-부틸페닐)-2H-벤조트리아졸; 2-(2'-히드록시-5'-t-옥틸페닐)-2H-벤조트리아졸; 2,4-디히드록시벤조페논; 2-히드록시-4-메톡시벤조페논; 2-히드록시-4-옥틸옥시벤조페논; 4-도데실옥시-2-히드록시벤조페논; 4-벤조록시-2-히드록시벤조페논; 2,2',4,4'-테트라히드록시벤조페논; 및 2,2'-디히드록시-4,4'-디메톡시벤조페논.
- 제6항 내지 제8항 중 어느 한 항에서 얻어진 전자기파 차단용 광학 조성물로부터 제조된 광학렌즈.
- 제9항에 있어서, 상기 광학렌즈에 편광 기능, 조광 기능, 또는 이들 기능의 조합을 추가로 부여한, 광학 렌즈.
- 미서기창(sliding window), 오르내리창(double or single hung window) 또는 여닫이창(casement window)으로 사용하기 위한, 제6항 내지 제8항 중 어느 한 항에서 얻어진 전자기파 차단용 광학 조성물로부터 제조되는 창유리.
- 전자기파 차단용 광학렌즈를 제조하는 방법으로서,(1) 폴리이소시아네이트 화합물 중 적어도 1종을 포함하는 광학 조성물의 액상(I)을 얻는 단계;(2) 폴리올 또는 폴리티올 화합물 중 적어도 1종을 포함하는 광학 조성물의 액상(II)을 얻는 단계;(3) 상기 액상(I)에서 사용된 폴리이소시아네이트에 800 내지 1000 nm 부근에서 투과율 5% 미만의 높은 근적외선 흡수능을 갖는 근적외선 흡수제, 400 nm이하의 자외선 흡수능을 갖는 자외선 흡수제, 또는 이들 모두를 혼합하여 균일한 전자기파 흡수제 용액을 얻는 단계; 및(4) 상기에서 얻어진 액상(I)의 용액, 액상(II) 및 전자기파 흡수제 용액을 혼합하여 제조된 광학 조성물을 주형 중합에 의하여 중합하는 단계를 포함하는, 광학렌즈의 제조 방법.
- 제12에 있어서, 상기 근적외선 흡수제는 구조가 다른 복수의 프탈로시아닌계 색소의 혼합물인, 광학렌즈의 제조 방법.
- 제13에 있어서, 상기 복수의 프탈로시아닌계 색소가 각각 (1) 800 nm~850 nm의 파장 영역, (2) 875 nm~925 nm의 파장 영역, 및 (3) 950 nm~1000 nm의 파장 영역의 범위내에 투과율 10% 미만의 분광 투과율 곡선의 극소치를 갖는 색소인, 방법.
- 전자기파 차단용 광학렌즈를 제조하는 방법으로서,(1) 폴리이소시아네이트 화합물 중 적어도 1종을 포함하는 액상(I), 및 폴리올 또는 폴리티올 화합물 중 적어도 1종을 포함하는 광학 조성물의 액상(II)을 얻는 단계;(2) 상기에서 얻어진 액상(I)의 용액 및 액상(II) 용액을 혼합하여 얻어진 혼합물을 주형 중합에 의하여 중합하여 광학렌즈를 제조하는 단계;(3) 800 내지 1000 nm 부근에서 투과율 5% 미만의 높은 근적외선 흡수능을 갖는 구조가 다른 복수의 프탈로시아닌계 색소의 혼합물을 에멀션 및 용액에 용해하여 근적외선 흡수제 코팅액을 얻는 단계;(4) 단계(2)로부터 얻어진 광학렌즈의 적어도 한 면을, 단계(3)으로부터 얻어진 근적외선 흡수제 코팅액으로 코팅하여 전자기파 차단층을 형성하는 단계; 및(5) 상기 광학렌즈의 적어도 한 면에 형성된 상기 전자기파 차단층을 건조 또는 경화시키는 단계;를 포함하는, 전자기파 차단용 광학렌즈를 제조하는 방법.
- 제15항에 있어서, 상기 복수의 프탈로시아닌계 색소가 각각 (1) 800 nm~850 nm의 파장 영역, (2) 875 nm~925 nm의 파장 영역, 및 (3) 950 nm~1000 nm의 파장 영역의 범위내에 투과율 10% 미만의 분광 투과율 곡선의 극소치를 갖는 색소인, 방법.
- 제15항 또는 제16항에 있어서, 단계(4)의 상기 코팅 과정을 스핀 코팅, 딥 코팅, 스프레이 코팅, 롤 코팅 중 어느 하나 이상의 코팅에 의하여 수행하는, 방법.
- 제17항에 있어서, 단계(5)의 상기 건조 또는 경화 단계 이후에, 상기 전자기파 차단층이 형성된 광학렌즈 위에 하드코팅, 멀티코팅, 자외선코팅, 광변색 코팅, 수막 코팅, 초발수 코팅 중 어느 하나 이상의 코팅을 실시하는 단계를 더 포함하는, 방법.
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KR20200130366A (ko) * | 2018-03-30 | 2020-11-18 | 미쓰이 가가쿠 가부시키가이샤 | 유기 머캅토 화합물 또는 그의 중간체의 제조 방법, (폴리)싸이올 성분, 광학 재료용 중합성 조성물, 성형체, 광학 재료 및 렌즈 |
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KR102122703B1 (ko) | 2020-04-09 | 2020-06-26 | 주식회사 대원에프엔씨 | 폴리티올 화합물의 제조 방법과 이를 포함한 광학 재료용 중합성 조성물 및 광학 렌즈 |
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Also Published As
Publication number | Publication date |
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CN107849207A (zh) | 2018-03-27 |
US20180201718A1 (en) | 2018-07-19 |
JP2018529829A (ja) | 2018-10-11 |
KR20170008679A (ko) | 2017-01-24 |
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