TW200538485A - Optical part comprising a substrate comprising an alicyclic structure-having polymer - Google Patents

Abstract

An optical part comprising a substrate which is comprised of an alicyclic structure-having polymer and has at least one layer of an inorganic compound film formed on at least part of the surface of substrate, wherein the first layer of the inorganic compound film, formed in contact with the substrate, is comprised of niobium(V) oxide vacuum-deposited at a film-forming rate of larger than 5 angstrom/sec, but smaller than 15 angstrom/sec. The inorganic compound film preferably comprises the first niobium(V) oxide layer and a second layer having a low refractive index, formed on the first layer, and, more preferably further comprises a third layer comprised of niobium pentoxide and a fourth layer having a low refractive index, formed in this order. The low refractive index layers are preferably comprised of silicon dioxide.

Description

200538485 IX. Description of the invention: [Technical field to which the invention belongs] The present invention relates to an optical component composed of an inorganic compound film formed on the surface of a base material. More detailed and ancient, σ, relates to an optical component Form at least one layer of sharp pentoxide on the surface of the substrate composed of the polymer composition containing the alicyclic structure, so that the optical properties of + €, climatic, and thermal properties are enhanced Components. [Prior art] # 纟 Polymers with an alicyclic structure, because of their excellent transparency, are often used in the assembly of optical components such as optical recording media, optical lenses, concrete, and light guide plates. On the other hand, in order to impart a specific optical force to an optical module, it is known that an f-machine compound film ', such as a dielectric film or a metal film, can be formed on the surface of a substrate and used as a lens or a mirror. It is also the same for polymers containing a lipid :: structure, and it is known that various inorganic compound films can be formed in order to impart specific optical functions. _ 纟 Patent Document 1 discloses that on the surface of a substrate formed from a polymer composition containing an alicyclic structure, high-refractive index layers such as pentoxide and sharp pentoxide are used as the first Layer, low refractive index layer composed of oxidized stone as second layer, high refractive index layer as third layer, low refractive index layer as fourth layer, and a molded body having a multilayer antireflection film is laminated. Patent Document 2 reveals that, on the surface of a substrate made of a thermoplastic ortho-spinane resin, a vacuum steam bell method was used to steam money containing a nasal oxide button and niobium pentoxide, and the content of the pentoxide button was An optical component composed of 50% by weight or more of a layer. 2225 -6994-PF 5 200538485 In Patent Document 3, it is revealed that the group consisting of selective oxidation, oxidation error, and oxidation inscription: light formed by stacking on a quartz substrate by vacuum evaporation, and teaches: When the deposition rate of the film material is set to 15 A / s or less, and to Δ / s or less, the thin film is not broken or the optical component is used for light with a wavelength of 250 nm or less. [Patent Document ^ 1] 2000-228845 (US2004-01 1 4067, A) reported in [Patent Document 2] JP-A-6-31 2467 [Patent Document 3] JP-2003-149404 Bulletin [Contents of the Invention] [Problems to be Solved by the Invention] In the inorganic compound film described above, the adhesive strength of the film is reduced, and the pentoxide button is stacked at a rapid rate. However, Patent Document 1 and Patent Document are exposed to 80 ° C. After the above high temperature is low, there will be problems such as cracks. The present inventors, etc., referred to Patent Document 2-Vacuum evaporation at a temperature of 5 A / sec or less, and were laminated on a base material formed of a polymer composition containing an alicyclic structure: at this time, exposure At the aforementioned high temperature, the film may crack or peel. As described above, the optical components disclosed in Patent Documents 1 to 3 have insufficient heat resistance and are insufficient for weather resistance. Therefore, the object of the present invention is to provide an optical module having an inorganic compound film having excellent weather resistance and heat resistance on a substrate composed of a polymer composition containing an alicyclic structure. 2225-6994-PF 6 200538485 [Means to solve the problem] The present inventors, etc., are made of polymer compositions of τnew, A, and form = = materials are made of alicyclic compounds containing Stacking under the conditions of the formula ::]: base == thermal review, and finally found that the substrate formed by ^ phantom refractory composition is polymerized with a specific formula ^ '',., Organic compounds in specific The weatherability and heat resistance of the inorganic compound films deposited and formed according to the present invention can be provided according to the present invention 'a surface of a substrate composed of a polymer composition having a moon shirt structure for optical components; ::: At least one layer of an inorganic compound film is formed, in which an adjacent inorganic compound film is formed by vacuum evaporation of pentoxide in a film formation rate of more than 5 A / second and less than ua / heart. . A multilayer film is formed on the surface of the substrate. In the case of the multilayer film, a second layer with a low refractive index layer is formed on the opposite side of the first layer composed of pentoxide and the substrate. Better; further-further, in order to form a second layer of the low refractive index layer on the opposite side of the substrate from the substrate, a first layer and a second layer on the opposite side of the substrate The fourth layer on which the low refractive index layer is formed is more preferable. Here, it is preferable that the low-refractive index layer is composed of a dioxide. [Effects of the Invention] According to the present invention, on the surface of a substrate made of a polymer composition containing an alicyclic structure, niobium pentoxide is treated at a specific film formation rate for real jade treatment, and the adhesion can be formed The first 2225 -6994-pp 7 200538485 layer of niobium pentoxide on the substrate surface, the optical composition formed in this way. Excellent weather resistance and heat resistance [Embodiment] The optical component of the present invention, the base material composed of the composite composition Z kinds of the inorganic compound 臈 of the alicyclic structure containing less than one layer of light 2: at least Partly, at least the first layer is formed, which is five to one pieces of humans, among which adjacent to the substrate are acres *-7 lice Huarui is inorganic formed by plating at a rate of 5 to 15 A / sec. Compound film. 、,-1 The polymer used in the present invention that contains 浐 铺 乃 / 彳 is a polymer with a coat structure, which means that the main chain and / or side chain has an alicyclic structure, etc. We M, 'k construction, right from the mechanical strength or heat resistance ... then the main chain contains wax ring structure is better. In terms of fat% structure, it is particularly compatible with (cycloalkane) structure 1 + for example, saturated cyclic hydrocarbons, unsaturated cyclic hydrocarbons (cycloolefins), and the like. The number of carbon sheets constituting the alicyclic structure is one, and it is 52 (^ = system, usually I is preferably 5 to 20, and more preferably 5 to 15). When the range is reported, it is due to broadcasting. It is better to have the same balance of mechanical strength, heat resistance and formability, etc. on the 5-15 4. — Proportion of alicyclic structure complex units in alicyclic structure-containing polymers It can be appropriately selected according to the purpose of use, based on the weight, more than 70% by weight, more preferably 70% by weight, and above. The Netherlands is 90% by weight for polymers with a! T structure. For example: original system burning = mouth body, early «women polymer, ethylene alicyclic carbon gas compound polymer body, and the hydride of the above substances and so on.

2225-6994-PF 8 200538485 In the case of ortho-Cyclocene polymers, ^ ring-opening polymers, and ^ spin & ^ D · ring-opening copolymerization of ortho-alkane-based monomers. m polymerized monomers, 0, the addition of protopane-based monomers, poly- alkane-based monomers, and can be used as a precursor, and the original wave ... The addition of prostitutes to human spiders, as well as the ring-opening or formation of the above-mentioned substances: to ", for the single-ring ring-women polymer, the second is listed; column:" daggers and so on. Addition polymer, and monocyclic if # early%% of ene soap body ... Additive copolymer composed of ene early body and monomer copolymerizable therewith; alicyclic early body structure, pregnant beta The addition of the body is flat ^ riding and alicyclic conjugated diene monomer and can form a polymer with the A, into the hill! Transformed into the "addition of the early body of Λ a 'and the hydrogenation of the unsaturated bond part of the addition (co) polymerization of the above-mentioned substances. Σ_ 不 ... As for the hydrocarbon polymer of the formula, for example, the polymer of beta-ring sintering, and the polymer of beta-produced ρ Jie Xi is composed of humans and monomers copolymerizable therewith, poly-5; vinylcycloolefin不 聚合 of the polymer # ^ Λ 0 of the unsaturated bond portion, and vinylene and a monomer copolymerizable therewith (however, the remainder and the bond portion of the copolymer formed by burning the eve μ Hydride. ≪ And the aromatic ring and the fumes of the unsaturated hydration unsaturated polymer of the polymer of the aromatic ethylammonium monomer, and the aromatic vinyl monomer and its copolymer Aromatic rings, dilute hydrocarbon residues, bond hydrides, etc. Among the above-mentioned materials, the "ortho-flammable" monomer may correspond to a ring-opening (commonly formed) with a monomer that can be copolymerized therewith if necessary. ) Polymers and their hydrides and ethylene alicyclic hydrocarbon polymers are preferred. If necessary, it can correspond to 2225-6994-PF 9 200538485 (co) polymer light monomer and copolymerizable with the monomer that can be copolymerized with it: 3 know the ethylene early body can be corresponding to it if necessary Excessive olefinic properties: ": The aromatic ring and bond of the (co) polymer constitutes a better hydride, and the ratio of group vinyl monomer units is $ 50. ) Polymer application > jin, li. The above aromatic vinyl team chelate application hydrogenation is particularly preferred. In addition, in the present specification, "^ ene, alicyclic noodle_r ',,', "Polyane monomer, polymer with monocyclic ring and alicyclic structure". Collectively referred to as "containing

For a polymer containing an alicyclic structure, such as: a specific example of a bicyclic [2 2 114_ 〇 basket, for example, 1] hepta-2-ene (common tricyclic [4,3 > 〇, 12,5] + _37 1 and its bamboo creatures, _3 7 ”10 3,7 ~ -ene, tricyclic [4,4,.,”, ”“ 11,7 —ene, tricyclic [4,4, 〇, 12.5] [ 4 4 0 I2 · 5! 4- 3, 8 ~ —ene, tricyclic '4,0,1] eleven-3-dilute, tetracyclic [7,4, 〇, Guang 13 〇2, 4, 6 -11-Tetraene (other meaning, "Eleven-four frame [8,4,0,111 mountain, 〇2,8] fourteen_ Do not) 1 bu tetraene (alias: ^ formase-l, Ua, 5 , 10,10a-hexachloroanthracene), tetra-"" tetracyclododecene) and its derivatives, the original K-series monomers; cyclobutene, cyclofluorene, cyclohexene, 3- Monocyclic cyclodilution of methylcyclopentane, etc .; lipids of cyclopentadiene, cyclohexadiene, etc. = ethylene ring of formula m, ethylene methane, 2% ethylene ring, hexane, ethylene cyclooctane, etc. And so on. Examples of the aromatic ethylammonium monomer include styrene ... methylstyrene, divinylbenzene, vinylnaphthalene, and vinylbenzene. The above-mentioned alicyclic structure-containing monomer and aromatic vinyl monomer may be used in combination with 2225-6994-PF 10 200538485. Do not use them alone or in combination of two or more kinds. ^ For monomers that can be used for addition copolymerization with alicyclic structure-containing monomers or aromatic ethylenic monomers, such as n-propylene, 1-butene, pentene, and 1-hexene, if necessary Chain olefins such as, 3-fluorenyl-1 monobutene, 3-fluorenyl monobutene, etc., "4-hexadiene, [methyl], 4-hexadiene '5-I 土 1' Non-conjugated diene such as 4 hexaene, 1 > 7 octadiene, etc .; ι, 3 monobutadiene, 2-methyl-1, 3-butadiene,, d hexadiene specifically conjugated Diene and more. The early body can be used singly or in combination of two or more types. It contains an alicyclic structure. The oxygen group, Λ complex 'can also contain polar groups such as mesogenic group, slow group, and acid-based liver group. Fluorenyl, amido, acetic acid, monomers or aromatic methods containing alicyclic structures, and the polymers of the hydrogen-addition n structure that are performed on the obtained ι-correspondence when necessary. Of it. The ' is not particularly limited, and a well-known conventional ring-opening polymerization catalyst for the opening of an original spinane-based monomer may be used. The &) polymerization reaction is usually carried out. At medium temperature, rc and pressure 0 ~ 5MPa are determined by ring-opening polymerization catalysts. Examples of metal compounds such as ruthenium, palladium, iron, and platinum are catalysts, or, K Fei acetone acetone compound and reducing agent halide or acetamidine propyl _ compound titanium, vanadium, tungsten, tungsten, molybdenum and other metals and other catalysts. f. Catalyst-free organic compounds

2225-6994-PF 11 200538485 Original wave sintered monomers and i aids: $ μ of monomers “two are copolymerized with the above and other substances and ::: addition (co) polymerization reaction, usually using addition polymerization At the temperature of -5 acridine, acridine, and repeated Li 0 is carried out. For the addition of polymerization catalysts, for example, titanium, wrong, or button compound, ^ assist the catalyst of organic compounds Catalysts for the composition, etc. The polymerization reaction of #II! Group of ethylene monomer, ethylene ring or ethyl alcohol can be known, and it is known that free radical polymerization, shading can be taken in from well-known anionic polymerization, cationic polymerization, etc. Method: However, since the molecular weight of the polymer will change when the cationic polymerization method is used; the molecular weight distribution will become wider during the dibasic polymerization method, which will tend to reduce the degree of substrate substrate, so it is better to use the anionic polymerization method. In addition, It is also possible to use suspension polymerization, solution polymerization, block polymerization, etc. Anionic polymerization reaction of fragrant vinyl monomer, ^ ^, vinylene or vinyl naphthene is usually performed in organic solvents. Medium, and at -70 ~ 1 50 L, preferably -5〇 ~ 12〇 The reverse reaction of c is carried out at a reaction time of 0 · 0 " 0 hours, preferably 0.1 to 10 hours at a temperature of 0.1%. For the polymerization catalyst, for example, ·· The organic alkali metals of n-butadiene and urethane-butanine are added with the Lewis bases such as butane, diethylamine, etc., so that polymers with narrow molecular weight distribution can be obtained. It is preferable from the viewpoint of ensuring mechanical strength or heat resistance. In terms of the organic solvent, for example, aliphatic hydrocarbons such as normal money, normal appearance, isooctane, etc .; 3 ^^ hydrocarbon Compounds; benzene, toluene, and other fats, aromatic hydrocarbons; ethers such as tetrahydrofuran, dioxane, etc. The amount of organic solvents used is to make the monomer concentration into W0% by weight 2225-6994-PF 12 200538485 is good for car, more preferably 10 ~ 30% by weight. The polymer can be random or block copolymer, and It is thought that random copolymers are better. Furthermore, the polymers may be isotactic (is〇tacti〇, syndiotactic (synd10tactic), and random (Atactic) Any one can be used. For the polymerization of clothing-type conjugated monoene, for example, Japanese Unexamined Patent Publication No. 6- 丨 36〇57 or Japanese Unexamined Patent Publication No. 7-25831 8 can be used. Well-known method to carry out 0

The polymerization conversion ratio of each polymer having an alicyclic structure is preferably 95% by weight or more, more preferably 97% by weight or more, and particularly preferably 99% by weight or more. The polymerization conversion rate is high, so that a shaped body having a small amount of released organic matter can be obtained, which is preferable. Here, the polymerization conversion rate is a value obtained by subtracting the weight of the unreacted monomer from the weight of the monomer used, and dividing it by the weight of the monomer used. Polymers containing an alicyclic structure can be chlorinated by carbon-carbon * saturated bonds of the ring or main chain and side chains as needed after the coupling reaction of the arm human trafficker. Polymers containing alicyclic structures, the ratio of the number of carbon-carbon double bonds to the total number of carbon-carbon bonds in cough ^ y, and adducts is preferably less than 0.15%, 0.07 % Is better, 0.02% is better. For the hydrogenation reaction of the number of carbon-carbon double bonds, the amount of hydrogenation catalyst used, the reaction temperature, the interval, and the concentration of the reaction solution can be set according to the type of polymer to be hydrogenated. If the ratio is smaller, a shaped body having a smaller amount of released organic matter can be obtained. 'In the most suitable range of hydrogen partial pressure and hydrogenation catalyst during the reaction, it is not particularly limited. However, nickel, # 2225-6994-PF 13 200538485 I: a combination of a metal compound and organoaluminum or organolithium is used. Uniform catalysts are used in lice catalysts, and carriers such as activated carbon, celestial soil, and emulsification ball can be used correspondingly if necessary. The amount of hydrogenation catalyst used is relative to the polymer! It is 0.01 to 50 parts by weight, and only 4 ri cuts and η; 1ΠMP reaction ▲ degree is 25 ~ 300 ° c, hydrogen partial pressure is 0.5 ~ 10MPa, reaction time is 0.5 ~ 20 hours Better. The hydrogenated solution containing an alicyclic structure tetramer reaction is used to remove the solvent or monomers from the solution where the catalyst is filtered when the volatile components such as J weathering have been subjected to flat weathering, etc. For example, a coagulation method or a direct solidification method is a method in which a polymer solution is combined with a weak solvent of the polymer to precipitate the polymer. The precipitated small polymer was subjected to solid-liquid separation 'and the polymer was dried by heating to remove the solvent. In terms of weak solvents, alcohols such as ethanol, n-propanol, or isopropanol; residues such as Clan or methyl ethyl snapper; esters such as ethyl acetate or butyl acetate; And other polar solvents. The direct drying method is a method of removing the solvent by heating the polymer solution under depreciation. It can be used for building and grabbing. Centrifugation 1 continuous, continuous evaporation dryer, surface heat exchange type continuous reactor dryer, This is carried out by a known device such as a high dryness reactor device. The degree of vacuum or temperature can be appropriately selected according to the above device. The content of volatile components of polymers containing alicyclic structures is based on

2225-6994-PF 14 200538485 is better. If the content of the volatile component is lower than the above range, the material and the base with less volatile component such as the water content and the amount of the released organic matter are preferably used. Here, the so-called "volatile components containing TG II: Γ using a differential thermogravimetric measuring device (manufactured by Seiko Instruments Inc., Dian 200)" is an amount of components heated from scratch to% at a bar / minute. In order to reduce the volatile components of the sage, the method is not particularly limited, except for the spin-on method or direct drying method, which removes other water or organic matter from the polymer solution at the same time as the solvent. As the method, a method such as a steam stripping method, a reduced-pressure stripping method, and a nitrogen stripping method can also be used. Among them, the coagulation method and the direct money method are superior because they are highly productive. Polymers containing alicyclic structures, after removing the solvent by solidification or direct drying, 'if you go further-heat-dry under reduced pressure, y can be in% to release water and release organic matter A small amount of substrate and optical component are therefore preferred. The pressure during the drying process is preferably 0 or lower, more preferably 3 kpa or lower, and a heating temperature of more than 260 ° C, more preferably 280 ° C or higher. s The glass transition temperature of the polymer with alicyclic structure (hereinafter referred to as k. In block copolymers, when Tg has two or more, it refers to a higher value) is in the range of 60 to 20 (The range of TC is better, the range of 70 to 18 (the range of rc is better, the range of 90 to 16 (rc is particularly preferable.) Tg is in the above range, the heat resistance of the polymer containing an alicyclic structure, the content of The alicyclic structure poly 2225-6994 15 200538485 is preferable from the viewpoint of processability of the body composition. Here, Tg is a value measured using a scanning differential calorimeter. Contains an alicyclic type The weight average molecular weight (Mw) of the structured polymer is particularly limited. However, when the polymer is a block copolymer, the weight average knife 1 (Mw) is in the range of 50,000 to 300,000. The range is better, the range of 5 to 5'000 ~ 200,000 is more preferable, the range of 60,000 to 150,000, is special, and § the polymer is random copolymerization In the case of a combination or an oligomer, the weight average particle size (Mw) is preferably in the range of 5,000 to 500,000, and more preferably in the range of 10'000 to 20,000. ^ Within the above range, since the mechanical strength can be improved and the molding time can be shortened, it is not easy to cause thermal decomposition of the polymer, and the amount of organic matter released will be reduced. In the present invention, the polymer containing an alicyclic structure The number-average molecular weight (Mη) and weight-average points are taken from time to time, -Zi Li (Mw), if the I β body containing an alicyclic structure can be dissolved in armor,

In the absence of xylylene as solvent, gel permeation chromatography (GPC) was used at 40 ° C to perform x ν ^ ^, 疋, and exchanged out with standard polyisoprene Value. The distribution of the scuttles (Mw / Mn) (the average weight is the ratio of the sub-quantity (Mw) to the number of squares (Mn)), which is usually equal to 1 A range of ˜2 is preferred, a dry range of / 土 ^ M / u · is better, and a range of 1-2 is particularly favorable. The animal Mw / Mn falls within the above range ^. ^ ^ F The mechanical strength and financial properties of the module will be highly balanced. A polymer containing an alicyclic structure, if necessary, add A 4 if necessary. Cocoa can be added to the known additives without compromising the effect of the invention. U For forming into an alicyclic structure.

2225-6994-PF 16 200538485 polymer composition. As for the additives of mechanical filling ^ two know i, for example: Sun polymer, helmet filling materials, antioxidants, / no coupling agent, plasticizer, I, flame retardant, antibacterial agent , Wood flour, fragrant tea, 丨, active agent, light stabilizer, lubricant: ::, Shixi oil, foaming agent, interface line absorbent, anti-charge agent, eight-knife powder, heat stabilizer, Ultraviolet aerosol, organic fillers, knives ;, chlorine trapping agents, crystallization nucleating agents, anti-pollution materials, thermoplastic elastomers, decomposing agents, metal purifying agents, and anti-oxidants, which can be used alone or in combination of two or more . Main chain chlorine of ethylene block copolymers with other polymers: two examples t: styrene: butadiene-benzene copolymer [SEBS]), styrene * ethylene_ethylene_butene block main Chain gaseous compound (= styrene-styrene-styrene block copolymer [SEPS]) #. Ethylene-diene-styrene fluorene copolymers are variable. The polymer components as described above are poor at high temperature and humidity. The metal content of the polymer components as described above is preferably less than or equal to 3 °, and particularly preferably less than or equal to 3—. When it is to be added, the amount of the specific polymer component used is based on the weight of the polymer made in the phase, and it is 70% by weight. ":: The formula structure is better, ..., the range of the weight part is better. The range of .57 ° heavy weight is more than that of filling materials. Its purpose is to improve mechanical properties. Examples include: glass-breaking fibers, carbon fibers, metal fibers, metal particles, glass-breaking beads. Asbestos filler, carbonate, talc, dioxin, mica glass, fiber, clay, potassium sulfate, graphite, molybdenum disulfide, magnesium oxide, 2225-6994-PF 17 200538485 single crystal of zinc oxide, single crystal of potassium acid, etc. . When preparing a polymer composition containing an alicyclic structure, it can be used. A method of obtaining a sheet-like resin composition by kneading a polymer containing an alicyclic structure and correspondingly added additives if necessary. ; A method of mixing a polymer containing a moon ring structure and a corresponding additive force ^ additives in a suitable solvent, and then removing the solvent to obtain a resin composition. As for the kneading, a single-shaft extruder, a twin-shaft extruder, a Bumbury / t & refiner, a kneader, a feed milling machine, and the like can be used. The temperature of kneading is more preferably in the range of 200 to 40 rc than the range of 隹: 240 to 35 Gt :. In addition, when kneading is carried out, each component may be added and kneaded once, or it may be added and kneaded in several times. The polymer composition containing an alicyclic structure can be used as a base material by a known molding method such as an injection molding method, a compression molding method, and an extrusion molding method. The shape of the substrate is not particularly limited, and it can be selected according to the application. ^ The molding conditions are not particularly limited. For example, the resin temperature during molding is usually 200 ° C ~ 40 (TC, and 21 (TC ~ 350t: better). In addition, the mold temperature when using a mold is usually The glass transition temperature of the polymer containing an alicyclic structure is used as the tit, and at room temperature <(t! + 15) C, preferably (t-30) &lt; t0 &lt; (teio) t :, more preferably (t 广 20) &lt; Κ (ί! + 5) ΐ: go down (however, when (ti-3〇) <to temperature, or (tr20) c <room temperature 'It is room temperature &lt; u). When the resin temperature and mold temperature during molding fall within the above range, it will be better from the standpoint of mold releasability. 2225-6994-PF 18 200538485 (inorganic compound film) The optical product of the present invention, the first layer adjacent to at least a part of the surface of the substrate, is made of an inorganic compound film composed of hafnium pentoxide. The purity of niobium pentoxide is preferably 90% or more. Above 95%, more preferably: Above m. Especially when the purity of pentoxide falls within the above range, it is better from the viewpoint of optical characteristics and adhesion.

The film made of niobium pentoxide is a film formation rate of niobium pentoxide at a surface of a substrate made of a polymer containing an alicyclic structure at a film formation rate of more than 5 A / second and less than 15 A / second. Made by vacuum evaporation. The film formation speed is preferably greater than 5 "A / second, less than 13A / second, more preferably 5. 2 A / shirt, and less than u A / second. If the film formation speed is too slow, the adhesiveness of the optical module to the film and the crack resistance of the film after being placed under high temperature or high humidity conditions will be reduced. On the contrary, if it is too fast, the optical characteristics will be difficult control. The method for adjusting the film formation speed is not particularly limited. For example, a method of adjusting the film formation controller of the water aB vibration type in a steaming clock device can be used for adjustment; the light is projected on the monitoring substrate, and Optical film thickness control for film thickness control when the change of the reflectance of the film on the substrate is used to monitor the comparison between the steaming room of the substrate and the obtained film thickness. From the viewpoint of adjusting the film formation rate during vapor deposition, the method of film formation control using a crystal oscillator is preferable. The thickness of the above-mentioned film made of niobium pentoxide is preferably in the range of 10 to 10 '0000 A, more preferably in the range of 20 to 5,000 A,

The target range of 30 3 ’000 A is particularly good. When the thickness of the niobium pentoxide film falls within the range of the above range 2225-6994-PF 19 200538485, it will be better from the point of view of the optical component and the film. The Xinshan 5 force and the crack resistance of the membrane are not particularly limited. You can use oil to rotate to Jing 1G'1 (r2pa ::::; J and enter it in the real line room during evaporation. Introduce 2 ηγ 1n_3 4 plating. If necessary, it can be vapor-deposited under the oxygen * door ~ 1 · ~ 1 (PPa level of oxygen to true + sclerosis) in the empty grab room. Evaporation film material The evaporative electron beam heating method is particularly limited. From the viewpoint that the film formation rate can be generally used, the electron 2 method can be used to adjust the optical method of the present invention easily. ^ Λ heating method is preferred. On the film: layering the molded body adjacent to the substrate can increase the film thickness of the film ^ 9 layers or more. With a multilayer film, the range Γ 1 is synthesizable. The layer number of the film is usually 1 layer Clever layer

In terms of the composition of the second layer such as a metal oxide, a dielectric, etc., which is the above-mentioned layered film composition, examples include inorganic oxides, metal sulfides, and Metal fluorinated inorganic compounds; metals; organic compound mixtures or mixtures. In the case of inorganic compounds, both in the air and water, it is preferable to use inorganic compounds. Since it has excellent and stable adhesion to the adjacent film, it is preferable. In terms of metal oxides, for example: oxidation oxide, oxidation oxidation, oxidation decoration, chromium reduction, hafnium oxide, iron oxide, oxygen oxide, indium oxide steel, oxidation oxidation, oxidation ball, oxidation oxidation, oxidation oxidation, oxide oxidation , Peng oxide,

2225-6994-PF 20 200538485 Antimony oxide, sharp oxide, tin oxide &amp; yttrium oxide, oxidized oxide, oxidized oxide; / oxidized button, tungsten oxide, oxygen oxide, metal oxide, etc. (And there are oxides of various metals; for example, daggers, π02, τ103, etc.), and / is a mixture of vaporized titanium, plus temples and shellfish. In terms of inorganic oxides, it can be formulated with, for example, silicon dioxide, silicon monoxide, and the above. Emulsified silicon In terms of metal sulfides, for example, sulfide. In terms of metal fluorides, examples include: fluoride fluoride, debarium oxide, bromine oxide, fluoride fluoride, lanthanum fluoride, fluorinated bell, fluoride town, cryolite yolte), cone cryolite (Kagawa Rhenium, gasification, sodium, gasification, thorium fluoride, sharpening materials, and mixtures of the above. For metals, for example, gold, platinum, silver, copper, Ming, germanium, Chromium and other materials and alloys (alloys). Among them, gold, silver, aluminum, etc. with higher reflection function are preferred. For organic compounds, organic compounds such as silane coupling agents can be cited. Chemical compounds such as acrylic resins, acetic resins, melamine resins, epoxy resins, fluorine-containing resins, silicone resins, etc. By selecting the compounds and layer structures that make up the film composition, the following inorganic compound films can be added Function: anti-reflection film with specific wavelength, semi-transmissive film with wavelength selectivity, full-light reflection film, etc. When the laminated film is an anti-reflection film, it is composed of a high refractive index layer and a low refractive index layer. It is better to combine each other to form a multilayer film. It is better to form a second layer with a low refractive index layer on top of one layer. Further, on the second layer of the low refractive index layer, a third 2225-6994-PF 21 200538485 layer is sequentially formed on the high refractive index layer. c is preferably the fourth layer which is rumored by five-decay aluminum. The third layer is composed of low-refractive index layer. Second, the compound constituting the composition of the high-refractive index layer may be: titanium oxide , Molybdenum pentoxide, oxidized oxox 1, Μ Μ ^ ^. Aluminum lice, niobium pentoxide, etc. = For the compounds that form the composition of the low refractive index layer, it is better to have a layer with a lower emissivity than that of the composition of the high refractive index layer. For example, for example, dioxin, arsenic, etc. . Among them, a multilayer film formed by alternately laminating pentoxide as the composition of the high refractive index layer and using SiO2 as the composition of the &lt; emissivity layer is preferred. When the optical component of the present invention is manufactured, if the second layer or more: the film method is used, for example, a thermal curing method, an ultraviolet curing method, an air evaporation method, a sputtering method, an ion plating method, etc. Well-known method. The production rate of: "Medium is better by vacuum evaporation method" and the film formation speed of the second layer or more: "It is better to range from 5 to 15 A / s, and from 7 to 14 A / s. The range of 13 A / second is particularly good.状 円 ^ 'The thickness of the film above the second layer is based on the deafness of 1G] U00 A li] Che Fujia, 2 0 ~ $ η π π a jLh — 5,000 A is better, 30 The range is ~ 3,000 people. When the thickness of the film falls within the above range, it is preferable from the viewpoints of adhesion and turtle resistance. The thickness of the entire film is preferably in the range of 2 (N2,000,000), more preferably in the range of 0,100 ', and particularly in the range of 60 to 5,000 A. When the film &quot; dry When it falls within the above range, it will be better from the viewpoints of adhesion and resistance to turtles!! J. [贯 例] 2225-6994-pf 22 200538485, which are produced by turtles, will be listed below. _ More Specific explanation. The geniuses, examples, and comparative examples are not limited to the present invention. The present invention is not limited to this. Outside the knife, and the "%. In addition, m °" unless otherwise specified It indicates the weight basis. ^ &Quot; The right is not particularly limited, but it refers to standard atmospheric pressure. Measurement of various physical properties of the weather resistance of the mouth film, 丨 &quot;: the method described. Subtract n test (crack resistance) The weather resistance is evaluated by using an optical module at a level of 1: 1. The micro-mirror (manufactured by Olympus) is used to sing the formed parts, and use the film part of the object which is left under the wood for 100 hours. Observed under a magnification of 100 pieces, those without cracks were rated as a thousand uu 彳 口 (x; bad). ',,, Yoshiko (〇, good), there are Cracker rated bad (2) Weatherability test of the film (adhesiveness) The optical M piece after forming is placed under the condition of 85 ° C.% 'The connector is placed at the above-mentioned optical module at normal temperature. Attached to the film part of the product formed in i hour, tape (3M, no 3305, adhesive force 9 4in / ⑽) was attached, and the sub-kick tape was completely attached to the steaming film. Two minutes after the tape was adhered, Hold one end of the tape so as to maintain a right angle with the vapor-deposited surface: ^ Remove the tape, and then use the following evaluation criteria to evaluate the adhesion. (Evaluation criteria) 3 ° After 6 peel tests Those who did not have peeling phenomenon (0; good) Those who had peeling phenomenon within 6 tests (χ; inferior). (3) Hydrogen addition rate for hydrogen addition to unsaturated bonds of polymers containing alicyclic structure 2225-6994-PF 23 • 200538485 (4) Glass transition temperature () Tg of _human ^^^ π ^^ 5 body containing alicyclic structure, which is used based on JIS κ7121 The epitaxial differential calorimeter is used to measure the juice / dish degree of 10 c / min. (5) Molecular weight The number-average molecular weight (Mη) and weight-average molecular weight (Mw) of the polymer containing an alicyclic structure, if the polymer containing an alicyclic structure is soluble in toluene, it is based on agglutinin &amp; 1, A was used as a lozenge and measured at 4 ° C using gel permeation chromatography (GPC), and the value exchanged with standard polyisoprene; and when the polymer contains an alicyclic structure Insoluble? Benzene is acceptable: In the case of soil sintering, it is made with cyclohexane solvent in 4 "gel permeation chromatography (GPC). Who made it? ^ ^ Exchanged value for polystyrene. [Manufacturing Example 1] To a device which had been dried and filled with nitrogen and had a falling device, 300 parts of dehydrated cyclohexane, 25 parts of acetophenone I reaction, and 20 parts of dibutyl ether were added, and the mixture was heated at 6 (TC). Bottom-while riding, add 0.45 parts of n-butyl bell solution (containing hexane-fired solution) to start the polymerization reaction, the polymerization reaction enters 1 ·!%. Then add 15 parts of styrene to the reaction solution, and then Polymerization was carried out 4 times when 1+ was performed. 20 parts of isoamidine dilute were added to the reaction solution, and the polymerization reaction was further performed for 1 hour. Then, 4 g parts of styrene were added to the reaction solution in a continuous manner for 1 hour. And the polymerization reaction was continued for i hours. Then again, U part of isopropyl alcohol was added to the reaction solution to stop the reaction, and a polymerization reaction solution was obtained. 24

2225-6994-PF • 200538485 ^ 400 parts of the above polymerization reaction solution was transferred to a pressure-resistant reaction with a stirring device, and a diatomite-bearing nickel catalyst (manufactured by Niwa Chemical Co., Ltd .; E22U) as a hydrogenation catalyst was added 3 To mix. Next, the gas phase part inside the reactor was replaced with hydrogen, and further hydrogen was supplied while stirring the solution, and a chlorination reaction was performed at a temperature of 17 ° C. and a roof force of 45 MPa for 5 hours to obtain a hydrogenated t-synthetic solution. After the above hydrogenation reaction was completed, the reaction solution was filtered to remove the tritiated catalyst, and then an antioxidant Irganou i 01 0 (made by Ciba Chemical Co., Ltd.) was added in an amount of 0.1 part and dissolved, and a film dryer was used ( Buss company, fUm chemical heart) to remove the solvent and volatile components under the conditions of 9.33xlOlPa (absolute pressure) and a residence time of 12 hours, and the polymer in the molten state is stranded from the die. After extrusion, water cooling, and pelletizing with a pelletizer, granules containing an alicyclic structure-containing polymer composition are obtained. The obtained alicyclic structure-containing polymer (hydrogen additive) is used as a reason : A block containing a repeating unit derived from styrene, and a block containing a repeating unit derived from ', pentadiene, and a hydrogenated triblock composed of a block containing a repeating unit derived from styrene Embedded &amp; copolymer resin. The hydrogenated polymer served was 82,000, the Mw / Mn was 1.2, the hydrogenation rate of the main chain and the aromatic ring was 99.9%, and the Tg was 128. [Production Example 2] Under a nitrogen atmosphere, 6-ethyl-, 4: 5, 8-dimethanolyl-1'4,4 &amp;, 5,6,7,8,8 &amp; ~ hexahydronaphthalene (hereinafter referred to as It is "£] [(:: 1)") 100-kilometers placed in the well-known metathesis ring-opening polymerization catalyst system 2225-6994-PF 25 200538485, and then it is performed by a well-known method氲 Added to obtain ETCD on% polymer hydrogen addition. After the hydrogenation reaction was completed, the reaction solution was filtered to remove the hydrogenation catalyst. At 26 (rc, 9.33 × 10_4_ (absolute pressure) [留 ㈣1 · The solvent and volatile components are removed under the condition of 2 hours, and the polymer in the molten state is extruded from the die in a strand shape. After water cooling, the pellets are cut to obtain the alicyclic structure. The particle of the composite of k and t. The polymer (hydrogen additive) containing the fatty soil structure (^) is 40,000 '! 11 is 28,000,] ^ is 1.43 The hydrogen addition rate is 99.8% or more, and Tg is 138 ° C. With respect to 100 parts by weight of the particles, 0.2 part by weight of phenol-based anti-aging agent pentaerythritol group tetra- (3_ (3, 5- Tri-butyrate = '4_Ethyl phenyl) Propionic acid propionate] and parts by weight of hydrogenated styrene butylene: ene. Styrene. Talking copolymer (Asahi Kasei Industrial Co., Ltd.

TUfteCH1051 has a refractive index of 152). It is mixed with a biaxial kneader and squeezed out of the bundle (melt resin). Particles of a ring-shaped polymeric composition. _ [Production Example 3] 8-fluorenyl-8-methoxycarbonyl tetracyclo [4, 4, 0, I2, 5, 2, 250 parts dilute, 41 parts of dihexene, and 75 toluene. Partially filled with nitrogen: inside the reaction vessel ', the solution was heated to. Next, to the reaction solution 'was added 0 ° parts of a triethylbenzene toluene solution (15 moles / liter), and a six-gasification crane (third gas modified with third butanol / methanol).

2225-6994-PF 26 200538485 Alcohol: 3.7 parts of toluene solution of methanol n0 q (〇η,, .. Moore: 1 Moore) 4 ears / liter, and then heat and stir at 8 (TC for 3 hours) You will be able to serve the ring-opening polypeptone ridge fluid. The polymerization conversion rate is 97 to the ring-opening polypeptide, and &amp; right, ΛΛΠ, Ting Chuan / Fenye 4, 000 parts are added to high-pressure steel, Add hHC1 (C〇) [P (C6H5) 0.48 parts, and add the reaction mixture solution under the conditions of temperature 。. Force ',,, and mix for 3 hours to obtain hydrogen addition polymer.

The corpse '&amp; should, after the winter', filtered the hydrogen-added polymer solution to remove the hydrogenation catalyst ', and added the antioxidant Caffe m〇 (ciba special chemical company A Division). , And then use a film drier (made by Buss, film drier) at 26 (rc, 7 Torr (9 33χ &quot; pa. Absolute pressure magic, residence time h2 hours to remove the solvent and volatile components') to The polymer in the molten state is extruded from the die in a bundle, and after water cooling, the pellets are pelletized with a granulator to obtain granules of the polymer composition containing the alicyclic structure. The darkness of the polymer (hydrogen additive) was 63,000, Mw / Mn was 3.1, and the hydrogen addition rate was substantially 100%. [Production Example 4] In a 15-liter autoclave that had been dried under reduced pressure and filled with nitrogen, At room temperature, m 887 g, 1100 ml of styrene, 1 ml of cyclohexane, and 3 ml of a mol / ml cyclohexane solution of diisobutylaluminum were added. With continuous stirring, the inner portion was charged with ethylene. After the pressure is increased to 6kg / cm2, the pressure is released again, and the pressure release operation is repeated three times. Then, the internal pressure in the system was pressurized to 5 kg / cffl2 with ethylene, and the temperature was raised to 702225-6994-PF 27 • 200538485 ° c. Thereafter, the internal pressure was 6 kg with ethylene. Pressurize in the manner of / ㈣2. After stirring for 15 minutes, add 13.7 ml into the system from the catalyst solution prepared in advance to start the copolymerization reaction of styrene, ethylene, and primary exhaustion. The media concentration is relative to the whole system. Isopropyl-bis (imidyl) dichloride is 0.01 to 23 millimoles / liter, and methylamine is 7.5 millimoles / liter. Polymerization The internal pressure was maintained at 6 kg / cm by continuously supplying ethylene. After 60 minutes, the polymerization reaction was stopped by adding isopropyl alcohol. Release the M reading, take out the polymer solution, and add per i liter of water with 5 ml of concentrated hydrochloric acid aqueous solution was washed at a ratio of 1: 1, and the remaining catalyst was transferred to the water phase. After the above-mentioned contact mixed solution was allowed to stand, the water phase was separated and removed, and then washed with distilled water twice to complete. Oil-water separation of the polymerized liquid phase. Secondly, the polymerized liquid phase I which has been separated from oil and water is 3 times the amount of The acetone is contacted under strong stirring to precipitate the polymer, and then the acetone is used to wash it thoroughly and collect the solid part (copolymer) by passing it through the krypton. Under a krypton flow and 130 ° C, 350 mmHg It was dried for 12 hours under the conditions. The limiting viscosity U] of the obtained polymer in a decaUn solution at 135 ° C was G.8dl / g, T ^ 14, and the original content was 41.1 Mole% 'The styrene content is 9.8 Mole%. Rhenium is 1 12 000, and Mw / Mn is 2.4. [Example 1]. Will manufacture examples! The granules obtained in the process were pre-dried at 10 ° C (for 4 hours under heating and pre-drying under rc). Substrate. The forming conditions are: mold temperature pair t, cylinder overflow 2225-6994-PF 28 200538485 degrees 250X :. Evaporation source (1) was installed in the evaporation source (Shincron (Co., Ltd., BMC85)) as a material for high-refractive-index vapor deposition films, and it was installed in the evaporation source (2) as a low-refractive index. Oxidized stone eve of material used for steam ore film. On the substrate fixing jig above the above device, a substrate produced by the aforementioned method is mounted. In addition, a crystal vibrating film-forming controller (XTC Steam Clock Control_, manufactured by INFI) is used to monitor the steaming speed and film thickness. After exhausting in a vacuum chamber to reduce the vacuum to 10_3pa or less, the material for the high refractive index vapor deposition film was irradiated with electron rays to dissolve it, and the first layer of niobium pentoxide film was deposited at a rate of 5.3 people It was formed at a thickness of 1061 A / sec. Secondly, the low-refractive-index material was dissolved in the same manner, and a second-layer film with a thickness of 391 A was formed on the above niobium pentoxide at a vapor deposition rate of A / sec. Next, in the same manner, a niobium pentoxide film was formed at a deposition rate of 5.3 A / second and a thickness of lmA, and a silicon oxide film was formed at a deposition rate of iG A / second and a thickness of 845 A to produce a total An anti-reflection film with 4 layers was obtained to obtain an optical module having an anti-light reflection film. The financial properties (crack resistance and adhesion) of the obtained film of the optical module 1 were evaluated. The vaporization rate of the first layer and the inorganic compounds that make up each layer, the evaluation results of their weather resistance are shown in Table VII. [Example 2] Instead of the polymer obtained in Production Example 1, the polymer obtained in Production Example 2 was used instead. The polymer was wiped, and the injection molding cylinder temperature was changed to 270 C. The rest of the steps were the same as those used to form the substrate, and an anti-reflective film was formed at the same film formation speed τ to obtain optical Component

2225-6994-PF 29 200538485 Table 1 shows the optical components paid. [Example 3] The weather resistance of the film was evaluated. The polymer obtained in Production Example 1 was replaced by a body, and the cylinder production during injection molding was changed to 27 Gm. The rest of the steps were performed. Example "The same objective and the formation of anti-light reflection at the same film formation speed v &quot; '

The optical components at the 0 ° junction are shown in Table 1. The results are shown in Table 1. [Example 4] The weather resistance of the film was evaluated ... The polymer obtained in Production Example 4 was used and the injection molding was used to produce 25 °. Except for 〇, the rest of the steps are the same as in Example 1,

And forming a light-resistant film forming substrate at the same film formation speed, 4. The weather resistance of the film of the optical module obtained from the amine was evaluated. The results of the obtained optical components are shown in Table 1. [Example 5] It was changed to 10 · 5 (the substrate was formed by A /, and the film formation speed was second when niobium pentoxide was formed), and the other steps were the same as in Example 丨 to form an anti-light reflection film. The optical component 5 is obtained. The weather resistance of the obtained film of the optical module was evaluated. Knot

222 5 -6994-PF 30 200538485 The results are shown in Table 1. [Comparative Example 1] In addition to using the pentoxide button for film formation, the fifth layer of the third layer is replaced by the first layer and

Shape the substrate to the optical component 6. The results are shown in Table 1. [Comparative Example 2] The weather resistance of the film of the optical module 6 was evaluated. Except that the film formation speed during the film formation of tantalum pentoxide was changed to 3 · 〇 (a / core), the rest of the steps were the same as in Comparative Example 1 to form a substrate, and light resistance was formed at the same film formation speed. The optical module 7 was obtained by reflecting the film. The weather resistance of the obtained film of the optical module 7 was evaluated. The results are shown in Table 1. [Comparative Example 3] The film formation speed was changed except for the film formation of niobium pentoxide. Except for 3 · () (A / sec), the remaining steps are the same as in Example 1 to form a base material, and an anti-light reflection film is formed at an individual film formation speed to obtain an optical component 8. The obtained optics The weather resistance of the film of the module 8 was evaluated. The results are shown in Table 1. [Comparative Example 4] Except that the film formation speed during the film formation of niobium pentoxide was changed to 2, b), the rest of the steps were the same as the examples. 1 the same, a substrate is formed, and an anti-light reflection film is formed at an individual film formation speed to obtain an optical module 9. 2225-6994-PP 31 ‘200538485 The weather resistance of the obtained film of the optical module 9 was evaluated. The results are shown in Table 1.

2225-6994-PF 32 .200538485 2225 丨 69 Mountain Office — p ^ l 33 Comparative Example 4 Comparative Example 3 Comparative Example 2 Comparative Example 1 Example 5 Example 4 Example 3 Example 2 Example 1 1 Polymer Manufacturing Example 1 Polymer Production Example 4 Polymer Production Example 3 Polymer Production Example 2 Polymer Production Example 1 Polymer Base Material Nb205, Ta205, Nb205, m | Q JND GO 〇 CO CD • CJl GO t- -1 〇CJ1 • on CO evaporation rate (A / sec) Si〇2 evaporation rate of second layer (A / sec) NbzOs! Ta2〇5 _5 third layer Γ ° GO ◦ OD 〇cn GO H-1 C5 CJ1 CJ1 GO Vapor deposition rate (A / second) Si〇2 4th layer H-1 vapor deposition rate (A / second) 〇OXXO 〇O 〇〇 Weather resistance test XXXXO 〇O 〇〇 Adhesion i 1 丨: • 200538485 The following results can be obtained from Table i. On at least part of a polymer containing an alicyclic structure, at least! Of the surface of the base seal

The film shape of the film per second is 7 to 5 Nb. Of gasified niobium with 5 ~ 15 A. Xue # Μ μ々 &amp;, Fu Feng 妁 inorganic compound film, the light 2 pieces of weather resistance is very good (Example 5) In this regard, the first layer of the optically-activated pre-prepared element with the first layer of pentoxide has poor weather resistance (Comparative Example ^ and the film formation rate is 5) pentoxide produced under conditions other than 5 A / sec. Niobium film, + "Jin?", Plating resistance is also very good + L industrial profitability] The optical components of Nissho in February have excellent weather resistance and heat resistance. There are waves on the surface ...: Next Function · Specific wavelength anti-reflection film, &amp; semi-transmissive film, full light reflection film, etc. The use of the light to the module 'is not particularly limited' and can be used for: Articles that make use of the above characteristics: Diffraction gratings, measuring connectors, mirrors, collimator lenses, camera photography lenses, telescope lenses, laser light f6 &gt; lenses, automatic lenses, etc .; θ mirrors, polygon mirrors ★ Flat reflection type, star-finder lens, lens with lens function, etc. · 'optical shadow silly booth 1 fly Optical discs such as discs, music discs, document files discs, recording discs, etc .; _ thin films, optical films and other optical materials; optical interface M, light capture agent, LED light and other optical semiconductor sealing materials; IC cards and other IC u Membrane sealing material; optical components for flat panel displays such as retardation plates, touch panels, light diffusion plates, light guide plates, polarizing plate protective films, light collectors, cymbals, and lenticular lenses for liquid crystal display devices; Optical fiber

2225-6994-PF 34 200538485 connector; and optical moldings for surface decoration, etc. Among them, it is particularly suitable for the following items: · Measuring lenses, lenses for laser light, photographic lenses, and other reflecting devices such as mirrors. [Simplified illustration of the diagram] None [Description of the main component symbols]

2225-6994-PF 35

Claims (1)

• 200538485 10. Scope of patent application: At least one layer is formed on at least a part of a polymer containing an alicyclic structure. The first layer adjacent to the substrate is an inorganic compound film formed by vacuum evaporation of pentoxide at a film formation rate greater than E A / core and less than 15 A / second. 2. The optical component according to item 丨 of the patent application scope, wherein a second layer with a low refractive index layer is further formed on the opposite side of the first layer composed of niobium pentoxide and its substrate. 3. The optical component according to item 2 of the scope of patent application, wherein a second layer made of niobium pentoxide is formed on the second layer on the side opposite to the substrate, and on the second layer, the second layer A fourth layer with a low refractive index layer is formed on the opposite side of the material. 1 · An optical component, an inorganic compound film on the surface of a substrate made of an object, 4 · The optical component according to item 3 of the patent application scope, wherein the low refractive index layers of the second layer and the fourth layer are made of dioxide Composed of Shi Xi. 2225-6994-PF 36 200538485 v 7. Designated Representative Map: (1) The designated representative map in this case is: None (II) The component symbols of this representative map are simply explained: None 8. If there is a chemical formula in this case, please disclose the chemical formula that best shows the characteristics of the invention: None 2225-6994-PF 4