WO1999057212A1 - Composition de revetement, son procede de preparation et lentille de plastique resistant aux rayures - Google Patents
Composition de revetement, son procede de preparation et lentille de plastique resistant aux rayures Download PDFInfo
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- WO1999057212A1 WO1999057212A1 PCT/JP1999/002320 JP9902320W WO9957212A1 WO 1999057212 A1 WO1999057212 A1 WO 1999057212A1 JP 9902320 W JP9902320 W JP 9902320W WO 9957212 A1 WO9957212 A1 WO 9957212A1
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D183/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
- C09D183/04—Polysiloxanes
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D183/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
- C09D183/10—Block or graft copolymers containing polysiloxane sequences
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- G02B1/105—
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/10—Optical coatings produced by application to, or surface treatment of, optical elements
- G02B1/11—Anti-reflection coatings
- G02B1/111—Anti-reflection coatings using layers comprising organic materials
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/10—Optical coatings produced by application to, or surface treatment of, optical elements
- G02B1/14—Protective coatings, e.g. hard coatings
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S428/00—Stock material or miscellaneous articles
- Y10S428/922—Static electricity metal bleed-off metallic stock
- Y10S428/923—Physical dimension
- Y10S428/924—Composite
- Y10S428/926—Thickness of individual layer specified
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
- Y10T428/256—Heavy metal or aluminum or compound thereof
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
- Y10T428/256—Heavy metal or aluminum or compound thereof
- Y10T428/257—Iron oxide or aluminum oxide
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
- Y10T428/258—Alkali metal or alkaline earth metal or compound thereof
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
- Y10T428/259—Silicic material
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31551—Of polyamidoester [polyurethane, polyisocyanate, polycarbamate, etc.]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31652—Of asbestos
- Y10T428/31663—As siloxane, silicone or silane
Definitions
- Patent application title Coating composition, method for producing the same, and scratch-resistant plastic lens
- the present invention relates to a coating composition for a hard coat layer of a plastic lens, a method for producing the same, and a scratch-resistant plastic lens. More specifically, the present invention relates to a coating composition which can be applied to impart abrasion resistance and the like to a plastic lens surface and can form a hard coat layer having excellent adhesion, a method for producing the same, and a coating composition therefor The present invention relates to a plastic lens having a hard coat layer made of and having excellent scratch resistance and the like provided on the surface.
- Plastic lenses especially arylglycol-carbonate resin lenses, are lighter than glass lenses and are superior in safety, processability, fashionability, etc.
- anti-reflection technology and hard coat technology With the development of, it has spread rapidly.
- thermoplastic resins that have a shorter molding time and a smaller molding shrinkage than thermosetting resins such as aryl diglycol carbonate resin has been progressing. Lenses are also becoming popular.
- plastic lenses have come to be used widely, but have the disadvantage that they are more easily damaged than glass lenses.
- a primer is used to coat a plastic, such as polycarbonate, which is difficult to adhere to an organosiloxane-based hard coat agent.
- a coating is used.
- productivity such as complicated equipment and a long process, which requires a long time. Therefore, a method of direct application without primer treatment has been desired.
- the present invention overcomes such disadvantages of the prior art, and has excellent adhesion to a plastic lens such as polycarbonate without using a primer, and is transparent and has a good abrasion resistance.
- An object of the present invention is to provide a coating composition for a hard coat layer of a plastic lens which can form a coat layer by an ordinary coating method, and a method for producing the same.
- Another object of the present invention is to provide a scratch-resistant plastic lens obtained by applying the coating composition.
- the present inventor has conducted intensive studies to achieve the above object, and as a result, contains a hydrolyzate of an organic silicon compound having a specific structure, specific metal oxide fine particles, polyurethane and a hardener as essential components. Is applied to the surface of the plastic lens, It has been found that by heating and curing, a hard coat layer having sufficient adhesion, dyeing properties, flexibility, and excellent scratch resistance (abrasion resistance) can be obtained. It was completed.
- R 1 is an alkyl group having 1 to 10 carbon atoms, an alkoxy group having 1 to 10 carbon atoms, an alkenyl group having 2 to 10 carbon atoms, an aryl group having 6 to 10 carbon atoms, Ararukiru group or a mercapto group with carbon number 7-1 0, an amino group, main evening Kuriroki: emissions group or Epoki sheet monovalent organic group having a group
- R 2 is an alkyl group having 1 to 4 carbon atoms
- R 3 is carbon 1 to 1 0 alkyl group, indicates an alkoxyalkyl group or Ashiru group having a carbon number of 2 to 1 0 carbon atoms 2 to 0, n is 0 or 1, more oR 3 are mutually different even in the same It may be.
- a coating composition for a hard coat layer of a plastic lens characterized by containing at least one selected from the group consisting of (C) polyurethane and (D) a curing agent as essential components. It is.
- the present invention provides a method of mixing the organosilicon compound represented by the general formula (I), which is a precursor of the component (A), and the polyurethane, which is the component (C), together with a solvent if necessary. Then, the organic silicon compound is hydrolyzed to obtain a homogeneous solution of the hydrolyzate of the organic silicon compound represented by the general formula (I) of the component (A) and the polyurethane of the component (C). Then, a hard lens coating for a plastic lens, wherein fine particles of the component (B) and a curing agent of the component (D) are added to the homogeneous solution.
- the present invention provides a method for producing a composition.
- the present invention also provides a scratch-resistant plastic lens having a hard coat layer provided on the surface thereof using the coating composition.
- R 1 is an alkyl group having 1 to 10 carbon atoms, an alkoxy group having 1 to 10 carbon atoms, an alkenyl group having 2 to 10 carbon atoms, and an aryl group having 6 to 10 carbon atoms.
- the alkyl group, the alkoxy group, and the alkenyl group may be linear, branched, or cyclic.
- alkyl group having 1 to 10 carbon atoms examples include methyl group, ethyl group, n-propyl group, isopropyl group, n-butyl group, isobutyl group, sec-butyl group, tert-butyl group, pentyl group, Hexyl, octyl, cyclopentyl, cyclohexyl and the like.
- alkenyl having 2 to 10 carbon atoms include vinyl, aryl, propenyl, butenyl, butenyl and hexenyl.
- alkoxy group having 1 to 10 carbon atoms examples include a methoxy group, an ethoxy group, an n-propoxy group, an isopropoxy group, an n-butoxy group, an isobutoxy group, a sec-butoxy group, a tert-butoxy group, and a pentoxy group. Hexoxy, octoxy, cyclopentoxy, cyclohexoxy and the like.
- Examples of the aryl group having 6 to 10 carbon atoms include a phenyl group, a tolyl group, a xylyl group, and a naphthyl group.
- Examples of the aralkyl group having 7 to 10 carbon atoms include a benzyl group and a phenethyl group. La It is.
- the monovalent organic group having a mercapto group an amino group, a methacryloxy group or an epoxy group
- an alkyl group having 1 to 6 carbon atoms having the above substituent is preferable, and specifically, a mercaptopropyl Groups, aminopropyl groups, aminomethacryloxypropyl groups, glycidoxypropyl groups, and 3,4-epoxycyclohexyl groups.
- R 2 is an alkyl group having 1 to 4 carbon atoms, which may be linear or branched, such as methyl, ethyl, n-propyl, isopropyl, and n-butyl. Group, isobutyl group, sec-butyl group and tert-butyl group.
- R 3 is an alkyl group having 1 to 10 carbon atoms, an alkoxyalkyl group having 2 to 10 carbon atoms, or an acyl group having 2 to 10 carbon atoms.
- the alkyl group having 1 to 10 carbon atoms is as described for R 1 above.
- alkoxyalkyl group having 2 to 10 carbon atoms examples include a methoxymethyl group, a methoxyxethyl group, a methoxypropyl group, an ethoxymethyl group, an ethoxyxethyl group, an ethoxypropyl group, and the like.
- examples of the acetyl group include an acetyl group, a propionyl group and a ptyryl group.
- n is 0 or 1, to the plurality of OR 3 may be the same or may be different from one another.
- organosilicon compound represented by the general formula (I) examples include, for example, methyltrimethoxysilane, ethyltriethoxysilane, vinyltriethoxysilane, phenyltriethoxysilane, dimethyldimethoxysilane, phenylmethyldimethoxysilane, and acrylonitrile.
- a hydrolyzate of the organic silicon compound is used as the component (A), but the hydrolysis method is not particularly limited, and a conventionally known method can be used. For example, a method in which hydrolysis is performed without a solvent or in a water-miscible organic solvent such as an alcohol in the presence of an inorganic acid such as hydrochloric acid or sulfuric acid is preferably used.
- the component (B) is composed of oxide fine particles of silicon, aluminum, tin, antimony, zirconium, tungsten and titanium, and two or more of these oxides. At least one selected from composite fine particles is used.
- composite fine particles refers to a mixture of two or more oxide fine particles selected from the group of the former “oxide fine particles” (for example, Japanese Patent Application Laid-Open No. Sho 56-84727). ) And those obtained by modifying a mixture of two or more oxide fine particles selected from the former group of “oxide fine particles” (see, for example, JP-A-6-27301). .
- the fine particles of the component (B) are advantageously used in the form of a colloid uniformly dispersed in water or an organic solvent, and the average particle diameter of the fine particles is preferably in the range of 1 to 200 m ⁇ . It is preferable to appropriately select the composition according to the purpose of use of the coating composition and the like.
- one kind of the metal oxide fine particles may be used, or two or more kinds thereof may be used in combination.
- the polyurethane used as the component (C) may be a transparent liquid polyurethane, and is not particularly limited, and may be a one-component thermoplastic polyurethane or a two-component thermoplastic polyurethane. Both thermosetting and thermosetting polyurethanes can be used, but a non-yellowing type is preferred from the viewpoint of weather resistance.
- the one-pack type thermoplastic polyurethane include “Coteron KYU — 1” (trade name) and “Samprene SP—75” (trade name) (both manufactured by Sanyo Chemical Industries, Ltd.).
- examples thereof include cyanate, xylylene diisocyanate, hydrogenated xylylene diisocyanate, and cyanate.
- polyurethanes include JP-A-61-114203, JP-A-5-111903, JP-A-3-269507, JP-B-5-48253, JP-A-5-93803, and JP-A-5-93803.
- JP-A-61-114203 JP-A-5-111903, JP-A-3-269507, JP-B-5-48253, JP-A-5-93803, and JP-A-5-93803.
- JP-A-61-114203 JP-A-5-111903, JP-A-3-269507, JP-B-5-48253, JP-A-5-93803, and JP-A-5-93803.
- JP-A-61-114203 JP
- polyurethane has poor compatibility with organic silicon compounds and metal oxide sols, and even if the amount of polyurethane added is small, and even if the coating composition becomes a uniform transparent solution. When cured to form a coating, cloudiness or phase separation occurs, making it difficult to form a transparent coating.
- the inventor of the present invention mixed an organosilicon compound represented by the general formula (I), which is a precursor of the component (A), and a polyurethane, which was the component (C), together with a solvent if necessary.
- the organic silicon compound is hydrolyzed to obtain a solution of the hydrolyzate of the organic silicon compound represented by the general formula (I) of the component (A) and the polyurethane of the component (C).
- the problems of clouding and phase separation of the coating film were solved by adding the fine particles of the component (B) and the curing agent of the component (D) described below.
- examples of the curing agent used as the component (D) include various acids and bases, metal salts of organic acids, metal alkoxides, metal chelate compounds, and the like. Can be appropriately selected and used depending on the conditions.
- Examples of the acid include organic carboxylic acids, chromic acid, hypochlorous acid, boric acid, perchloric acid, bromic acid, selenious acid, aluminate, and carbonic acid.
- Examples of the base include, for example, arylamine, ethylamine, and the like. Examples include amines such as pyridine, sodium hydroxide, and ammonium hydroxide.
- Examples of metal salts of organic acids include sodium acetate and potassium formate, and examples of metal alkoxides include For example, alkoxides of metals such as aluminum, zirconium, titanium, and magnesium can be used.
- Examples of metal chelate compounds include aluminum acetylacetonate.
- (A) 100 parts by weight of the hydrolyzate of the organic silicon compound as the component, and the metal oxide fine particles of the (B) component are usually 1 part by weight. To 200 parts by weight, preferably 10 to 100 parts by weight. If the amount of the component (B) is less than 1 part by weight, the hardness of the cured film may be insufficient, and if it exceeds 200 parts by weight, gelation may occur. Also,
- the polyurethane of the component (C) is usually selected in the range of 0.1 to 100 parts by weight, preferably 0.5 to 50 parts by weight. If the amount of the component (C) is less than 0.1 part by weight, the adhesion of the cured film to the substrate may be insufficient. If the amount exceeds 100 parts by weight, the transparency of the cured film tends to decrease. Is seen. Further, the curing agent of the component (D) is selected in a range of usually 0.1 to 50 parts by weight, preferably 1 to 20 parts by weight. this
- the amount of the component (D) is less than 0.1 part by weight, curing may be insufficient, and if it exceeds 50 parts by weight, gelation may occur.
- the coating composition of the present invention is usually used after being diluted with a solvent.
- a solvent a water-soluble or water-compatible organic solvent is preferable.
- alcohols such as methanol, ethanol, propanol, butanol, ethoxyethanol, butoxyl ethanol, and methoxypropanol are preferable.
- monometals such as ethylene glycol perbroylene glycol
- cellosolves such as monoethyl and monobutyl ether.These may be used alone or in combination of two or more. However, it is preferable to appropriately select and use from these in consideration of the type of polyurethane to be used and the solvent resistance of the base material of the plastic lens to be applied.
- the coating composition of the present invention may further comprise, in addition to the components (A) to (D), a conventional brush, if desired, for the purpose of improving various physical properties as long as the physical properties of the cured film are not impaired.
- a conventional brush for the purpose of improving various physical properties as long as the physical properties of the cured film are not impaired.
- Various additives commonly used in coating compositions for stick lenses for example, resins such as epoxy resins, ultraviolet absorbers, light stabilizers such as hindered amines, antioxidants, surfactants, etc. can be appropriately added. .
- the type of plastic lens to which the coating composition of the present invention is applied is not particularly limited, and examples thereof include polymethyl methacrylate, polycarbonate, aliphatic aryl carbonate, aromatic aryl carbonate, and polythiol.
- examples of such lenses include urethane-based lenses.
- polycarbonate-based lenses, including poly-carbonate lenses, which have poor adhesion to ordinary organosiloxane-based hard coat agents, are preferred. It is advantageous.
- the scratch-resistant plastic lens of the present invention is obtained by providing a hard coat layer on the surface of the above-mentioned various plastic lenses using the above-mentioned coating composition.
- the method for applying the coating composition to the surface of the plastic lens is not particularly limited, and may be appropriately selected from methods commonly used, for example, a diving method, a spin coating method, a spray method and the like. From the viewpoint of surface accuracy, dipping and spin coating are particularly preferred.
- Curing of the coating composition applied to the surface of the plastic lens is usually performed by hot air drying or active energy ray irradiation, but is preferably performed in hot air at 50 to 200 ° C., particularly It is preferable to carry out in hot air at 70 to 130 ° C.
- the active energy rays include far-infrared rays. In this case, damage due to heat can be suppressed to a low level.
- a hard coat that is transparent and has excellent adhesiveness, dyeing properties and abrasion resistance can be applied to the surface of a plastic lens, preferably a polycarbonate-based lens, by using a usual coating method without using a primer.
- Layers can be provided.
- the thickness of this hard coat layer is usually in the range of l to 10 zm, preferably 2 to 5 m.
- the refractive index difference between the hard coat layer and the lens substrate It is preferable to adjust the refractive index difference between the hard coat layer and the lens substrate. By adjusting the difference in the refractive index within about 0.03, interference fringes due to the difference in the refractive index can be suppressed.
- an anti-reflection film can be provided on the hard coat layer, if desired.
- the anti-reflection film may be formed by a conventionally known material, for example, a single-layer or multi-layer structure made of an inorganic oxide, an inorganic fluoride, or an inorganic nitride, by a physical vapor deposition method such as vacuum deposition, sputtering, or ion plating. It can be formed by using a PVD method) or a chemical vapor deposition method (CVD method).
- the components of the low refractive index layer and the high refractive index layer of the antireflection film include silicon dioxide, silicon monoxide, zirconium oxide, tantalum oxide, yttrium oxide, aluminum oxide, and titanium oxide. And magnesium fluoride, silicon nitride, and the like (see, for example, publications such as Japanese Patent Application Laid-Open No. 56-116003 and Japanese Patent Application Laid-Open No. 2-262104).
- the thickness of this antireflection film is usually in the range of 0.1 to l ⁇ m.
- the antireflection film on the hard coat layer, the antireflection performance of the plastic lens is improved. Further, a water-repellent film or the like can be formed on the anti-reflection film (for example, see Japanese Patent No. 2561395).
- the plastic lens before applying the hard coat layer can be dyed, and the plastic lens after the hard coat layer or the hard coat layer and the antireflection film are provided can also be dyed.
- Preferable dyes used for dyeing are disperse dyes and cationic dyes, and particularly preferable are disperse dyes.
- Dyeing conditions such as dyeing concentration, dyeing temperature and immersion time can be varied over a wide range.However, from the light-shielding ability and the reproducibility of dyeing, the dyeing concentration of dye in 1 liter of water is from 0.01 wt% to 5 wt%. %, Immersion time is 10 minutes to 6 hours (preferably 20 minutes to 3 hours), dyeing temperature is 60 ° C; up to 100 ° C (preferably 80 ° C to 90 ° C) It is preferred that there be.
- the surface of the plastic lens was rubbed with steel wool # 0000, and the state of the scratch was visually observed and evaluated according to the following criteria.
- Disperse dye (BP I, Molecular Catalytic Brown) 3 oz (approximately 85 g) was uniformly dispersed by adding water, and dyed at 90 ° C for 10 minutes using a 1-liter dye bath to improve dyeability. evaluated.
- IPA isopropyl alcohol
- OSCAL 1432 solid content 30% by weight
- PGM propylene glycol monomethyl ether
- IPA IPA
- ALAA aluminum diacetyl acetone
- silicone surfactant Nippon New Zealand 0.3 parts by weight of Nirikichi Co., Ltd.
- Example 2 shows the evaluation results of the plastic lens provided with the hard coat layer.
- Example 1 a mixture of 24 parts by weight of "Courtron KYU-1” and 8 parts by weight of trade name "SAMPLEN SP-75" [manufactured by Sanyo Chemical Industries, Ltd., resin content 30% by weight]
- a coating composition was prepared in the same manner as in Example 1 except that the composition was changed to, and a hard coat layer was formed.
- Table 1 shows the evaluation results of the plastic lens provided with the hard coat layer.
- a polycarbonate lens having a refractive index (nd) of 1.59 and a cleaned surface was immersed in the coating composition obtained in (1) above, and applied at a bow raising speed of 12 cm / min.
- a hard coat layer having a thickness of 2.4 ⁇ m and a refractive index (nd) of 1.58 was formed by heating at 120 ° C. for 1 hour to cure. Table 1 shows the evaluation results of the plastic lens provided with the hard coat layer.
- the polycarbonate lens provided with the hard coat layer and the antireflection film had excellent antireflection performance, good film hardness and good adhesion, and was a good lens with no appearance of interference fringes.
- the surface-cleaned polyethylene lens is immersed in the coating composition obtained in (1) above, applied at a pulling rate of 12 cm / min, and then heated at 120 ° C for 1 hour. After processing and curing, a hard coat layer having a refractive index (nd) of about 1.58 and a thickness of 2.l ⁇ m was formed. Table 1 shows the evaluation results of the plastic lens provided with the hard coat layer.
- Example 5 (1) Preparation of coating composition
- a polycarbonate-based lens with a refractive index (nd) of about 1.57 whose surface was cleaned was immersed in the coating composition obtained in (1) above, and was applied at a pulling rate of 12 cm / min. And cured for 2 hours to form a hard coat layer having a thickness of 2. l 2.m and a refractive index (nd) of about 1.57.
- Table 1 shows the evaluation results of the plastic lens provided with the hard coat layer.
- the obtained polycarbonate lens provided with the antireflection film had excellent antireflection performance, was good in both film hardness and adhesion, and was a good lens having no interference fringes in appearance.
- Example 1 in place of the thermoplastic polyurethane, the quotient
- a coating composition was prepared in the same manner as in Example 1, except that 3 ⁇ 2 parts by weight of the product name "Denacol III-314" was used, and a hard coat layer was formed. Table 1 shows the evaluation results of the plastic lens provided with the hard coat layer.
- a coating composition was prepared in the same manner as in Example 3 except that polyurethane was not used, and a hard coat layer was formed. Table 1 shows the evaluation results of the plastic lens provided with the hard coat layer.
- Example 2 A 100/100 good good
- Example 3 A 100/100 good good
- Example 4 A 100/100 good good
- Example 5 A 100/100 good good
- the coating composition for a hard coat layer for a plastic lens of the present invention may be obtained by using a primer on a surface of a plastic lens, particularly a polycarbonate lens having poor adhesion to a normal organosiloxane-based hard coating agent. Without using a conventional coating method, a hard coat layer that is transparent and has excellent adhesion, dyeing properties, and abrasion resistance can be formed.
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Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU36277/99A AU750507B2 (en) | 1998-05-01 | 1999-04-30 | Coating composition and method for preparing the same, and scuff-resistant plastic lense |
DE69903631T DE69903631T2 (de) | 1998-05-01 | 1999-04-30 | Beschichtungszusammensetzung, verfahren zur herstellung und kratzfeste kunststofflinse |
US09/674,200 US6680125B1 (en) | 1998-05-01 | 1999-04-30 | Coating composition and method for preparing the same, and scuff-resistant plastic lense |
EP99918283A EP1090968B1 (en) | 1998-05-01 | 1999-04-30 | Coating composition and method for preparing the same, and scuff-resistant plastic lense |
JP2000547171A JP3956043B2 (ja) | 1998-05-01 | 1999-04-30 | コーティング組成物およびその製造方法ならびに耐擦傷性プラスチックレンズ |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10/121945 | 1998-05-01 | ||
JP12194598 | 1998-05-01 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1999057212A1 true WO1999057212A1 (fr) | 1999-11-11 |
Family
ID=14823820
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP1999/002320 WO1999057212A1 (fr) | 1998-05-01 | 1999-04-30 | Composition de revetement, son procede de preparation et lentille de plastique resistant aux rayures |
Country Status (7)
Country | Link |
---|---|
US (1) | US6680125B1 (ja) |
EP (1) | EP1090968B1 (ja) |
JP (1) | JP3956043B2 (ja) |
CN (1) | CN1214084C (ja) |
AU (1) | AU750507B2 (ja) |
DE (1) | DE69903631T2 (ja) |
WO (1) | WO1999057212A1 (ja) |
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Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
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US6881357B2 (en) * | 2002-01-23 | 2005-04-19 | Samsung Sdi Co., Ltd. | Transparent conductive layer and image display device employing the same |
US7572513B2 (en) | 2004-10-12 | 2009-08-11 | Seiko Epson Corporation | Lens and method of manufacturing lens |
JP5337486B2 (ja) * | 2006-07-14 | 2013-11-06 | Hoya株式会社 | プラスチックレンズ |
WO2008007779A1 (fr) * | 2006-07-14 | 2008-01-17 | Hoya Corporation | Lentille plastique |
WO2009119823A1 (ja) * | 2008-03-27 | 2009-10-01 | Hoya株式会社 | 偏光素子及び偏光素子の製造方法 |
JP2009237361A (ja) * | 2008-03-27 | 2009-10-15 | Hoya Corp | 偏光素子及び偏光素子の製造方法 |
US8988775B2 (en) | 2008-03-27 | 2015-03-24 | Hoya Corporation | Polarizing element and process for producing polarizing element |
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US8409714B2 (en) | 2009-04-16 | 2013-04-02 | Tokuyama Corporation | Primer composition for optical articles and optical articles |
JP5566375B2 (ja) * | 2009-04-16 | 2014-08-06 | 株式会社トクヤマ | 光学物品用プライマー組成物及び光学物品 |
JPWO2010119755A1 (ja) * | 2009-04-16 | 2012-10-22 | 株式会社トクヤマ | 光学物品用プライマー組成物及び光学物品 |
CN101699321B (zh) * | 2009-11-05 | 2011-12-21 | 镇江俊视光学有限公司 | 新型树脂镜片硬涂层的制备方法 |
Also Published As
Publication number | Publication date |
---|---|
EP1090968A4 (en) | 2001-08-08 |
EP1090968B1 (en) | 2002-10-23 |
CN1214084C (zh) | 2005-08-10 |
EP1090968A1 (en) | 2001-04-11 |
AU3627799A (en) | 1999-11-23 |
CN1308661A (zh) | 2001-08-15 |
JP3956043B2 (ja) | 2007-08-08 |
DE69903631D1 (de) | 2002-11-28 |
US6680125B1 (en) | 2004-01-20 |
DE69903631T2 (de) | 2003-06-26 |
AU750507B2 (en) | 2002-07-18 |
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