CN102933988B - Light-blocking member for optical instrument - Google Patents
Light-blocking member for optical instrument Download PDFInfo
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- CN102933988B CN102933988B CN201180028318.5A CN201180028318A CN102933988B CN 102933988 B CN102933988 B CN 102933988B CN 201180028318 A CN201180028318 A CN 201180028318A CN 102933988 B CN102933988 B CN 102933988B
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- China
- Prior art keywords
- light
- blocking member
- photomask
- optical instrument
- resin
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/20—Filters
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/04—Carbon
Abstract
Even if the object of the present invention is to provide slimming also to have stiffness, not easily produce the light-blocking member for optical instrument of the breakage of film etc.Light-blocking member for optical instrument of the present invention, it is characterized in that, it has the base material be made up of film of synthetic resin and the light-blocking member for optical instrument being formed at the photomask at least one side of above-mentioned base material, above-mentioned photomask contains hydroxyl value to be adhesive resin, carbon black, inorganic particulate and the mean grain size of more than 100 (mgKOH/g) the be resin particle of 1 ~ 10 μm.In addition, it is characterized in that, above-mentioned resin particle is crosslinked polymethylmethacrylaparticles particle.
Description
Technical field
The present invention relates to the light-blocking member for optical instrument in the shutter, aperture parts etc. that may be used for various optical device.
Background technology
In recent years, due to the miniaturization to various optical devices such as high-performance single lens reflex type camera, minicam, video cameras, light-weighted requirement, shutter or the aperture parts of the optical device formed by metal material are substituted by plastic material gradually.As the aperture of such plastic material, there will be a known the light-proofness film (patent documentation 1,2) forming the photomask containing carbon black, lubricant, particulate and adhesive resin on film substrate.
Prior art document
Patent documentation
Patent documentation 1: Japanese Unexamined Patent Publication 9-274218 publication
Patent documentation 2:WO2006/016555 publication
Summary of the invention
Invent problem to be solved
Above-mentioned light-proofness film due to compared with the light-blocking member formed by metal material stiffness extremely weak, if so use this light-proofness film as the shutter of optical device or aperture parts, be not durable, produce to be produced by the contact site with other parts and is out of shape, deform or the problem of breakage.Such problem can be described as key subjects under the situation in recent years requiring slimming.
In order to solve this problem, consider the design made containing elastomeric particle in photomask, but due in said case, make the relative to proportional minimizing of other material of formation photomask, so hinder the performance balance such as light-proofness, slickness as light-blocking member.
On the other hand, also contemplate the method for the direct slimming of light-blocking member making to be formed by metal material, if but use this light-blocking member as shutter or aperture parts, then easily produce distortion due to the contact with other parts.Because described distortion can not recover former state, so not handy in such light-blocking member in nature at metal material.In addition, metal material is compared with plastic material, and cost is quite high.
Like this, even if require that slimming also has stiffness when not using metal material, not easily produce the light-blocking member for optical instrument of the breakage of film etc.
For the scheme of dealing with problems
The present inventors are for this problem, find by being formed in photomask the light-blocking member that adhesive resin that the hydroxyl value comprised as adhesive resin is more than 100 (mgKOH/g) and mean grain size are the resin particle of 1 ~ 10 μm, even if even if slimming can be obtained also there is the light-blocking member that stiffness and other component contact also not easily produce the breakage of film etc., thus complete the present invention.
Namely, light-blocking member for optical instrument of the present invention, it is characterized in that, it comprises the base material be made up of film of synthetic resin and the light-blocking member for optical instrument being formed at the photomask at least one side of above-mentioned base material, above-mentioned photomask contains hydroxyl value to be adhesive resin, carbon black, inorganic particulate and the mean grain size of more than 100 (mgKOH/g) the be resin particle of 1 ~ 10 μm.
In addition, in light-blocking member for optical instrument of the present invention, preferred resin particle is crosslinked polymethylmethacrylaparticles particle.
In addition, in light-blocking member for optical instrument of the present invention, preferably relative to adhesive resin 100 weight portion, the resin particle containing 20 ~ 150 weight portions.
The effect of invention
According to foregoing invention, by making containing hydroxyl value to be the adhesive resin of more than 100 (mgKOH/g) and mean grain size the be resin particle of 1 ~ 10 μm in photomask, even if the light-blocking member that slimming also has stiffness, not easily produces the breakage of film etc. can be made.
Accompanying drawing explanation
Fig. 1 is the figure of the determinator of the stiffness illustrated for measuring light-blocking member for optical instrument.
Embodiment
Below, the embodiment of light-blocking member for optical instrument of the present invention (following, sometimes also referred to as " light-blocking member ") is described.
Light-blocking member of the present invention comprises the base material be made up of film of synthetic resin and the photomask be formed at least one side of above-mentioned base material.This photomask contains hydroxyl value to be adhesive resin, carbon black, inorganic particulate and the mean grain size of more than 100 (mgKOH/g) the be resin particle of 1 ~ 10 μm.
In addition, in the present invention, so-called mean grain size refers to the median particle diameter (D50) measured with laser diffraction formula particle size distribution device (such as, society of Shimadzu Seisakusho Ltd.: SALD-7000 etc.).
As the base material be made up of film of synthetic resin, the base material be made up of polyester, ABS (acrylonitrile-butadiene-styrene (ABS)), polyimide, polystyrene, polycarbonate, acrylic acid, polyolefin, celluosic resin, polysulfones, polyphenylene sulfide, polyethersulfone, polyetheretherketone etc. can be listed.Especially be suitable for using mylar, the mylar of drawn processing, particularly biaxial stretch-formed processing from the viewpoint of physical strength, excellent in dimensional stability particularly preferably.
In addition, as base material, transparent base material can use certainly, also can use expanded polyester film, film of synthetic resin containing the black pigments such as carbon black or other pigment.In this case, above-mentioned base material can select applicable base material according to respective purposes.Such as, when using as light-blocking member, harmful effect is caused owing to be there is reflection by the light of the optically focused such as lens in the film of synthetic resin part of section, so when the high light-proofness of needs, the film of synthetic resin containing black pigments such as carbon blacks can be used, in other cases, film of synthetic resin that is transparent or foaming can be used.
In present embodiment, owing to can be obtained the sufficient light-proofness as light-blocking member by photomask self, so when to make in film of synthetic resin containing black pigment, as long as the mode reaching about 3 according to visual degree, the i.e. optical concentration appearing as black contains film of synthetic resin.Therefore, owing to making containing the black pigment to damaging as the limit of the physical property of base material in film of synthetic resin unlike the past, so can obtain at an easy rate when not making the physical property of film of synthetic resin change.
As the thickness of base material, preferably 4 ~ 50 μm, particularly from the view point of slimming, more preferably 4 ~ 38 μm.In addition, from the view point of improving the cementability with photomask, also anchoring process or corona treatment can be carried out as required to base material.
The photomask be formed at least one side of base material contains hydroxyl value to be adhesive resin, carbon black, inorganic particulate and the mean grain size of more than 100 (mgKOH/g) the be resin particle of 1 ~ 10 μm.
Think by making hydroxyl value be containing the resin particle that mean grain size is 1 ~ 10 μm in the adhesive resin of more than 100 (mgKOH/g), thus can not aggegation be there is partly and disperse equably in this resin particle in adhesive resin.Thereby, it is possible to the dispersion balance being made as the resin particle of photomask entirety becomes suitable, even if use as light-blocking member, also not easily produce flexural deformation partly, the light-blocking member that stiffness is strong.
About this point, also considering, in order to make particle be dispersed in photomask containing the method for spreading agent equably, if described method, then to add the part of spreading agent in photomask, forming the relative to proportional reduction of other material of photomask.Thus, sometimes also cause extinction, slickness etc. as the performance degradation needed for light-blocking member.
On the other hand, according to light-blocking member of the present invention, by making in photomask containing hydroxyl value to be the adhesive resin of more than 100 (mgKOH/g) and mean grain size the be resin particle of 1 ~ 10 μm, even if thus unduly use spreading agent, also resin particle can be made to disperse equably in photomask, so relative the reducing containing proportional of other material of formation photomask can not be made.Therefore, according to light-blocking member of the present invention, all performance as light-blocking member can not be made to reduce, though can make photomask slimming also had stiffness, the light-blocking member of the breakage that not easily produces film etc.
As the adhesive resin that hydroxyl value is more than 100 (mgKOH/g), poly-(methyl) acrylic resin can be listed, vibrin, polyvinyl acetate resins, Polyvinylchloride, polyvinyl butyral resin, cellulose-based resin, polystyrene/polybutadiene resin, urethane resin, alkyd resin, acryl resin, unsaturated polyester resin, epoxy ester resin, epoxy resin, epoxy acrylate system resin, urethane acrylate system resin, polyester acrylate system resin, polyether acrylate system resin, phenol resin, melamine-based resins, Urea Series resin, thermoplastic resin or the heat-curing resins such as diallyl phthalate system resin, their a kind or two or more is used in combination can be used.
The hydroxyl value of adhesive resin is set as more than 100 (mgKOH/g).By the hydroxyl value of adhesive resin is set as more than 100 (mgKOH/g), thus make mean grain size be that the resin particle of 1 ~ 10 μm disperses equably in photomask as mentioned above, even if photomask slimming is also had stiffness as light-blocking member entirety, not easily produce the breakage etc. of film.From the view point of playing stiffness further, the hydroxyl value of adhesive resin is preferably more than 125 (mgKOH/g), is more preferably more than 200 (mgKOH/g).On the other hand, as the upper limit, from the view point of preventing bending stress reduction, film becomes fragile, and is preferably set to 250 (mgKOH/g) below.
Hydroxyl value is that the containing ratio of the adhesive resin of more than 100 (mgKOH/g) is preferably set to more than 15 % by weight in photomask, is more preferably set as more than 20 % by weight.By the containing ratio of above-mentioned adhesive resin is set as more than 15 % by weight in photomask, can prevent the cementability of base material and photomask from reducing.On the other hand, the containing ratio of above-mentioned adhesive resin is preferably set to less than 50 % by weight in photomask, is more preferably set as less than 45 % by weight, is preferably set to less than 40 % by weight further.By the containing ratio of above-mentioned adhesive resin is set as less than 50 % by weight in photomask, can prevent the physical property of the photomasks such as light-proofness, sliding, extinction from reducing.
The carbon black contained in photomask is used for making adhesive resin be colored as black and giving light-proofness, and give electric conductivity and prevent by electrostatic produce charged.
In order to obtain sufficient light-proofness, the mean grain size of carbon black is preferably less than 1 μm, is more preferably set as less than 0.5 μm.
The containing ratio of carbon black in photomask preferably 10 % by weight ~ 50 % by weight, is more preferably set as 15 % by weight ~ 45 % by weight.By being set as more than 10 % by weight in photomask, can prevent light-proofness and electric conductivity from reducing, by being set as less than 50 % by weight, cementability or mar resistance improve, and can prevent the reduction of coating strength and cost from uprising in addition.
The inorganic particulate contained in photomask for by formed on surface fine concavo-convex reduce incident light reflection and reduce the glossiness (mirror surface luster) on surface, improve extinction when making light-blocking member.
As inorganic particulate, silicon dioxide, metasilicic acid magnesium aluminate, titanium dioxide etc. can be listed.In them, from the viewpoint such as dispersiveness, low cost of particle, preferably use silicon dioxide.Their a kind or two or more is used in combination can be used.
The mean grain size of inorganic particulate preferably 1 μm ~ 10 μm, is more preferably set as 1 μm ~ 6 μm.By being set as such scope, being formed on the surface of light-blocking member fine concavo-convex, can extinction be obtained.
The containing ratio of inorganic particulate in photomask preferably 0.5 % by weight ~ 10 % by weight, is more preferably set as 0.5 % by weight ~ 5 % by weight.By being set as more than 0.5 % by weight in photomask, thus can prevent the glossiness (mirror surface luster) on surface from increasing and extinction reduction.On the other hand, by being set as less than 10 % by weight, thus can prevent from producing coming off or light-blocking member self generation scar of inorganic particulate because of the slip of light-blocking member, the reduction causing sliding can be prevented.
Particularly when requiring high light-proofness or sliding, the containing ratio of inorganic particulate is set as less than 5 % by weight from above-mentioned scope is preferred further photomask.Even if the inorganic particulate used in present embodiment is owing to also can obtain high extinction on a small quantity as mentioned above, so by being set as less than 5 % by weight, sufficient extinction can be obtained, and the containing ratio of carbon black, resin particle described later relatively can be made to increase, the physical property such as light-proofness, sliding can be improved when not reducing stiffness.
The resin particle of the mean grain size contained in photomask 1 ~ 10 μm, for improving the sliding on the surface of light-blocking member, when being processed as aperture parts etc., reducing frictional resistance during work, improving the mar resistance on surface simultaneously.In addition, by being as mentioned above that the adhesive resin of more than 100 (mgKOH/g) combinationally uses by above-mentioned resin particle and hydroxyl value, the dispersion balance that can be made as the overall resin particle of photomask becomes suitable, even if use as light-blocking member, also not easily bending, distortion is produced partly, the light-blocking member that stiffness is strong.And then, owing to not easily producing bending, distortion partly, so the light-blocking member not easily causing thermal deformation can be made.The mean grain size of described resin particle is particularly more preferably set as 2 ~ 8 μm.
As such resin particle, the fluororesin particles such as the ester base lubricants such as acid amides base lubricant, the glyceryl monostearates such as fatty acid series lubricant, oleamide, erucyl amide, alcohol base lubricant, silicone resin particle, teflon wax, crosslinked polymethylmethacrylaparticles particle, the crosslinked polystyrene particles etc. such as the such as hydrocarbon system such as Tissuemat E, paraffin lubricant, stearic acid, 12-hydroxy stearic acid can be listed.If use crosslinked polymethylmethacrylaparticles particle in them, then strong especially as light-blocking member stiffness, so more preferably.These particles can use a kind or two or more is used in combination.
In addition, the mean grain size of resin particle is preferably large than the mean grain size of inorganic particulate, and more preferably both differences are set as more than 0.5 μm.By making the mean grain size of resin particle larger than the mean grain size of inorganic particulate, thus the surface formed by resin particle concavo-convex on formed by inorganic particulate fine concavo-convex, so can the reflection of incident light be reduced further and obtain sufficient extinction, and sliding can be obtained.
The containing ratio of resin particle is preferably set to 3 % by weight ~ 40 % by weight in photomask, is more preferably set as 5 % by weight ~ 35 % by weight.By being set as more than 3 % by weight in photomask, can be formed suitable concavo-convex and obtain sliding from the teeth outwards, by being set as less than 40 % by weight, the relative content of carbon black can be improved, can prevent light-proofness and electric conductivity from reducing while obtaining stiffness.
In addition, proportional relative to containing of above-mentioned adhesive resin about above-mentioned resin particle, relative to above-mentioned adhesive resin 100 weight portion, the above-mentioned resin particle more preferably containing 20 ~ 150 weight portions, further preferably containing 30 ~ 90 weight portions.Such containing proportional by being set as, can make and maintain light-proofness and electric conductivity etc. as all performances of light-blocking member and the light-blocking member that the dispersion of the above-mentioned resin particle in photomask balance improves further, stiffness is more excellent.
Be formed in the photomask at least one side of base material, as long as do not damage the situation of function of the present invention, the various adjuvants such as fire retardant, antiseptic, mildewproof agent, antioxidant, plastifier, levelling agent, flow modifier, defoamer, spreading agent can be contained.
The thickness of photomask preferably 3 μm ~ 30 μm, is more preferably set as 5 μm ~ 25 μm.By being set as more than 3 μm, can preventing from producing pin hole etc. in photomask, sufficient light-proofness can be obtained.In addition, by being set as less than 30 μm, can prevent from cracking in photomask.
The light-blocking member for optical instrument of present embodiment can by the one or two sides of base material, utilize dip coated, roller coat, known coating process such as rod paintings, mould paintings, scraper for coating, airblade coating etc. is coated with that as described above to contain hydroxyl value be adhesive resin, carbon black, inorganic particulate and the mean grain size of more than 100 (mgKOH/g) is the photomask coating fluid of the resin particle of 1 ~ 10 μm, after making its drying, carry out as required heating, pressurization etc. and obtaining.The solvent of coating fluid can use the potpourri etc. of water or organic solvent, water and organic solvent.
As mentioned above, the light-blocking member for optical instrument of present embodiment owing to comprising specific photomask at least one side of base material, so have extinction and maintain the physical property of the photomask such as light-proofness, sliding, therefore the suitable shutter as optical devices such as high-performance single lens reflex type camera, minicam, video camera, mobile phone, projectors, aperture parts use.
Particularly the photomask of present embodiment is due to be the adhesive resin of more than 100 (mgKOH/g) and mean grain size containing hydroxyl value the be resin particle of 1 ~ 10 μm, so can when not excessively make resin particle disperse equably containing when spreading agent, even if therefore, it is possible to make the light-blocking member that slimming also has stiffness, not easily produces the breakage of film etc. when not hindering the performance as light-blocking member.Consequently, be suitable for especially in the shutter, aperture parts etc. of the mobile phone of the band camera specially requiring slimming in recent years.And then, owing to not easily producing flexural deformation partly, so the light-blocking member not easily causing thermal deformation can be made.
Embodiment
Below, by embodiment, the present invention is described further.In addition, " part ", " % " are then weight basis as long as no special instructions.
1. the making of light-blocking member
[embodiment 1]
The black pet film (LumirrorX30: Dong Li company) of thickness 25 μm is used as base material, the mode reaching 10 μm on the two sides of this base material according to thickness during drying is respectively coated with the photomask coating fluid of following formula respectively by stick coating method and carries out drying and form photomask, has made the light-blocking member for optical instrument of embodiment 1.
The photomask coating fluid > of < embodiment 1
Polyester polyol 9.68 parts
(BURNOCK11-408:DIC company, hydroxyl value 200 (mgKOH/g), solid constituent 70%)
Isocyanates 9.37 parts
(BURNOCKDN980:DIC company, solid constituent 75%)
Carbon black 4.57 parts
(VULCANXC-72：CabotCorporation)
Inorganic particulate (silicon dioxide) 0.89 part
(TS100:EvonikDegussaJapanCo., Ltd., mean grain size 4 μm)
Resin particle (crosslinked polymethylmethacrylaparticles particle) 5.30 parts
(ChemisnowMX-500: combine and grind chemical society, averaged particles meter 5 μm)
Methyl ethyl ketone 36.93 parts
Toluene 15.83 parts
[embodiment 2]
In the photomask coating fluid used in embodiment 1, polyester polyol is changed to polyester polyol (BURNOCKJ-517:DIC company, hydroxyl value 140 (mgKOH/g), solid constituent 70%), the addition of isocyanates is set as 6.56 weight portions, in addition similarly to Example 1, the light-blocking member for optical instrument of embodiment 2 has been made.
[embodiment 3]
In the photomask coating fluid used in embodiment 1, polyester polyol is changed to polyester polyol (BURNOCKD-144-65BA:DIC company, hydroxyl value 100 (mgKOH/g), solid constituent 65%) and addition is set as 10.42 weight portions, the addition of isocyanates is set as 5.04 weight portions, in addition similarly to Example 1, the light-blocking member for optical instrument of embodiment 3 has been made.
[embodiment 4]
In the photomask coating fluid used in embodiment 1, resin particle is changed to resin particle (crosslinked polymethylmethacrylaparticles particle, ChemisnowMX-150: combine and grind chemical society, mean grain size 1.5 μm), in addition similarly to Example 1, the light-blocking member for optical instrument of embodiment 4 has been made.
[embodiment 5]
In the photomask coating fluid used in embodiment 1, resin particle is changed to resin particle (crosslinked polymethylmethacrylaparticles particle, ChemisnowMX-1000: combine and grind chemical society, mean grain size 10 μm), in addition similarly to Example 1, the light-blocking member for optical instrument of embodiment 5 has been made.
[embodiment 6]
In the photomask coating fluid used in embodiment 1, the addition of acrylic polyol is set as 100 weight portions, the addition of resin particle is set as 13 weight portions, in addition similarly to Example 1, makes the light-blocking member for optical instrument of embodiment 6.
[comparative example 1]
In the photomask coating fluid used in embodiment 1, polyester polyol is changed to acrylic polyol (ACRYDICA-801P:DIC company, hydroxyl value 50 (mgKOH/g), solid constituent 50%) and addition is set as 13.55 weight portions, the addition of isocyanates is set as 3.28 weight portions, in addition similarly to Example 1, the light-blocking member for optical instrument of comparative example 1 has been made.
[comparative example 2]
In the photomask coating fluid used in embodiment 1, resin particle is changed to resin particle (crosslinked polymethylmethacrylaparticles particle, ChemisnowMX-1500H: combine and grind chemical society, mean grain size 15 μm), in addition similarly to Example 1, the light-blocking member for optical instrument of comparative example 2 has been made.
[comparative example 3]
In the photomask coating fluid used in embodiment 1, resin particle is changed to inorganic particulate (barium sulphate, BMH: Sakai chemical industrial company, mean grain size 2.5 μm), in addition similarly to Example 1, the light-blocking member for optical instrument of comparative example 3 has been made.
2. evaluate
For the light-blocking member for optical instrument obtained in embodiment 1 ~ 6 described above and comparative example 1 ~ 3, carried out the evaluation of physical property by following method.Respective result is shown in Table 1.
(1) light-proofness
For the light-blocking member for optical instrument obtained in above-described embodiment 1 ~ 6 and comparative example 1 ~ 3, optical concentration meter (TD-904:GretagMacbeth company) is used to measure optical concentration according to JISK7651:1988.By optical concentration more than 4.0, reaching the concentration person that cannot measure region and be set to "○", is that less than 4.0 persons are set to "×" by optical concentration.In addition, use UV color filter is measured.Measurement result is shown in Table 1.
(2) extinction
Measure according to JISZ8741:1997 glossiness (mirror surface luster) (%) on the surface of the light-blocking member for optical instrument obtained in embodiment 1 ~ 6 and comparative example 1 ~ 3.Glossiness is set to "○" lower than 10 (%) person, is that 10 (%) above person is set to "×" by glossiness.Measurement result is shown in Table 1.
(3) sliding
For the light-blocking member for optical instrument obtained in embodiment 1 ~ 6 and comparative example 1 ~ 3, under the condition of load 200 (g), speed 100 (mm/min), measure coefficient of static friction (μ s), kinetic friction coefficient (μ k) according to JISK7125:1999.Coefficient of static friction (μ s) is set to "○" lower than 0.35, is that more than 0.35 person is set to "×" by coefficient of static friction (μ s).In addition, kinetic friction coefficient (μ k) is set to "○" lower than 0.30, is that more than 0.30 person is set to "×" by kinetic friction coefficient (μ k).Measurement result is shown in Table 1.
(4) stiffness
By the light-blocking member for optical instrument obtained in embodiment 1 ~ 6 and comparative example 1 ~ 3, gather wide 1.5cm and the sample of the embodiment 1 ~ 6 of long 20cm and comparative example 1 ~ 3, this sample was made cylindrical shape around 2 weeks respectively along its length, position polyester tape (meter Qi Bang company) bonding wide 1.5cm centered by the sample end limit being present in most surface of the sample of this cylindrical shape becomes and long 1.8cm makes this sample not be overlapped into three layers, makes width (highly) 1.5cm, diameter and is about the embodiment 1 ~ 6 of the cylindrical shape of 3.2cm and the sample of comparative example 1 ~ 3.
Then, prepare to form and above-mentioned measurement section 3 and the gap of the above-mentioned top fixed part determinator 10 that to be Fig. 1 of 2cm such by comprising the commercially available measurement section 3 by electronic balance (BX3200D: society of Shimadzu Seisakusho Ltd.) and top fixed part 2.In the measurement section 3 of described determinator 10 and the gap of top fixed part 2, the mode contacted with the measurement section 3 of this measurement mechanism 10 and top fixed part 2 according to the side of this cylindrical shape loads above-mentioned diameter and is about the embodiment 1 ~ 6 of the cylindrical shape of 3.2cm and the sample 1 of comparative example 1 ~ 3, the metered amount of the electronic balance based on the measurement section 3 after 10 seconds of elastic force of working sample 1.Be that more than 1g person is set to " ◎ " by the result of mensuration, metered amount, be more than 0.7g ~ be set to "○" lower than 1g person by metered amount, metered amount is set to "×" lower than 0.7g person.Measurement result is shown in Table 1.
(5) permanance
Use the light-blocking member for optical instrument that obtains in embodiment 1 ~ 6 and comparative example 1 ~ 3 as the aperture parts of camera, make its work 5,000 times and by this light-blocking member for optical instrument of visual confirmation with or without distortion or damaged.To be set to " Δ " less than distortion or damaged person, distortion or damaged person will be had to be set to "×".In addition, for the light-blocking member not having distortion or breakage, it will be made again to work by not also to be out of shape during visual confirmation or damaged person is set to "○" after 20,000 times, by after further work 20,000 5 thousand times by not also to be out of shape during visual confirmation or damaged person is set to " ◎ ".Measurement result is shown in Table 1.
(6) thermal deformation
Prepare the light-blocking member for optical instrument being provided with the photomask of above-described embodiment 1 ~ 6 and comparative example 1 ~ 3 on a face of base material.Be cut into 10cm × 10cm in length and breadth, leave standstill in the environment of 80 DEG C, 5 minutes, measure the amount of curl of end.The corner of amount of curl added up to more than 0mm ~ be set to "○" lower than 30mm person, "×" will be set to for more than 30mm person.Measurement result is shown in Table 1.
(7) cementability
Measure according to the lattice adhesive tape method of drawing in JIS5600-5-6 the photomask of light-blocking member for optical instrument and the cementability of base material that obtain in above-mentioned experimental example 1 ~ 6 and comparative example 1 ~ 3 and evaluate.The area drawing lattice part is peeled off more than 10% person and is set to "×", stripping more than 5% is set to " Δ " lower than 10%, stripping is set to "○" lower than 5%.
[table 1]
As known to the result of table 1, the light-blocking member for optical instrument obtained in embodiment 1 ~ 6 comprises the base material be made up of film of synthetic resin, with the photomask be formed at least one side of above-mentioned base material, because this photomask contains the adhesive resin that hydroxyl value is more than 100 (mgKOH/g), carbon black, inorganic particulate, and mean grain size is the resin particle of 1 ~ 10 μm, light-proofness or the such performance as light-blocking member of extinction is played so can make, even and if the light-blocking member that slimming stiffness is also strong, due to excellent in te pins of durability, so the light-blocking member of the breakage not easily producing film etc. etc. can be made.
Particularly embodiment 1,2,4,5 light-blocking member for optical instrument due to the hydroxyl value of adhesive resin be more than 125 (mgKOH/g), so stiffness becomes high especially, and then the light-blocking member for optical instrument of embodiment 1,4,5 due to the hydroxyl value of adhesive resin be more than 200 (mgKOH/g), so stiffness is high especially, permanance also becomes high especially.
On the other hand, the light-blocking member for optical instrument of comparative example 1 is owing to using hydroxyl value lower than the adhesive resin of 100 (mgKOH/g), so particulate does not disperse equably in photomask, stiffness dies down.In addition, permanance is caused also to become not enough thus.
In addition, the light-blocking member for optical instrument of comparative example 2 is owing to using the resin particle of mean grain size more than 10 μm, so particulate does not disperse equably in photomask, stiffness dies down.In addition, permanance is caused also to become not enough thus.
In addition, the light-blocking member for optical instrument of comparative example 3 uses inorganic particulate owing to not using resin particle, so particulate does not disperse equably in photomask, stiffness dies down.In addition, permanance is caused also to become not enough thus.
The light-blocking member for optical instrument obtained in embodiment 1 ~ 6 is due to this photomask contains hydroxyl value to be adhesive resin, carbon black, inorganic particulate and the mean grain size of more than 100 (mgKOH/g) the be resin particle of 1 ~ 10 μm, so resin particle can be made to disperse equably in photomask, even if also not easily produce bending, distortion partly when being provided with photomask as light-blocking member on the one side of base material, not easily cause thermal deformation.
The light-blocking member for optical instrument obtained in comparative example 1 due to the pigment proportion in this photomask high, so not easily cause thermal deformation because of adhesive resin.But, because pigment proportion is high or resin particle does not disperse equably, so be deteriorated with the cementability of base material.
Although the pigment proportion in this photomask of light-blocking member for optical instrument obtained in comparative example 2,3 is identical with the light-blocking member for optical instrument obtained in embodiment 1, but owing to containing mean grain size not being the resin particle of 1 ~ 10 μm, so resin particle does not disperse equably in film, produce bending, distortion partly, cause thermal deformation.In addition, also poor compared with embodiment 1 with the cementability of base material.
Symbol description
1 ... light-blocking member for optical instrument of the present invention
2 ... top fixed part
3 ... measurement section
10 ... determinator
Claims (3)
1. a light-blocking member for optical instrument, is characterized in that, it comprises the base material be made up of film of synthetic resin and the light-blocking member for optical instrument being formed at the photomask at least one side of described base material,
Polyester polyol, isocyanates, carbon black, inorganic particulate and mean grain size that it is more than 100mgKOH/g that described photomask uses containing hydroxyl value are the coating fluid of the crosslinked polymethylmethacrylaparticles particle of 1 ~ 10 μm and are formed.
2. light-blocking member for optical instrument according to claim 1, is characterized in that,
Relative to described polyester polyol 100 weight portion, the described crosslinked polymethylmethacrylaparticles particle containing 20 ~ 150 weight portions.
3. light-blocking member for optical instrument according to claim 1 and 2, is characterized in that,
The containing ratio of described crosslinked polymethylmethacrylaparticles particle is 3 % by weight ~ 40 % by weight in photomask.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010-156510 | 2010-07-09 | ||
| JP2010156510 | 2010-07-09 | ||
| PCT/JP2011/064867 WO2012005148A1 (en) | 2010-07-09 | 2011-06-29 | Light-blocking member for optical instrument |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102933988A CN102933988A (en) | 2013-02-13 |
| CN102933988B true CN102933988B (en) | 2015-12-16 |
Family
ID=45441130
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201180028318.5A Expired - Fee Related CN102933988B (en) | 2010-07-09 | 2011-06-29 | Light-blocking member for optical instrument |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JP5984668B2 (en) |
| KR (1) | KR20130059342A (en) |
| CN (1) | CN102933988B (en) |
| TW (1) | TWI513581B (en) |
| WO (1) | WO2012005148A1 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5970821B2 (en) * | 2012-01-13 | 2016-08-17 | Dic株式会社 | Colored film and colored adhesive tape |
| CN104460182B (en) * | 2014-12-26 | 2018-04-27 | 东莞市山形光学有限公司 | The processing method and darkening ring of darkening ring |
| JP6094664B2 (en) * | 2015-12-18 | 2017-03-15 | Dic株式会社 | Colored film and colored adhesive tape |
| JP6867793B2 (en) * | 2016-12-14 | 2021-05-12 | 株式会社きもと | Light-shielding sliding film, light-shielding sliding member, and resin composition for light-shielding sliding film |
| KR102232103B1 (en) * | 2019-09-04 | 2021-03-25 | 현기웅 | Light blocking film for optical device and mehthod for manufacturing the same |
| KR20220063766A (en) * | 2019-09-24 | 2022-05-17 | 미쯔비시 케미컬 주식회사 | polyester film |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0825239A2 (en) * | 1996-08-22 | 1998-02-25 | Nippon Oil Co. Ltd. | Acrylic resin composition for color filter |
| CN101002116A (en) * | 2004-08-10 | 2007-07-18 | 木本股份有限公司 | Light-blocking member for optical instrument |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003004939A (en) * | 2001-06-25 | 2003-01-08 | Asahi Glass Co Ltd | Optical film |
| JP5220973B2 (en) * | 2001-07-17 | 2013-06-26 | ソマール株式会社 | Shading film |
| JP4351456B2 (en) * | 2002-03-26 | 2009-10-28 | 恵和株式会社 | Light diffusion sheet and backlight unit using the same |
| JP4136745B2 (en) * | 2003-03-24 | 2008-08-20 | 大日本印刷株式会社 | Pigment dispersion aid for preparing pigment dispersion for colored resist, pigment dispersion for colored resist, photosensitive coloring composition, and color filter |
| CN100510790C (en) * | 2005-03-30 | 2009-07-08 | 大日本油墨化学工业株式会社 | Light diffusion film |
| JP5097381B2 (en) * | 2006-11-02 | 2012-12-12 | ソマール株式会社 | Shielding film and method for producing the same |
| JP2008152199A (en) * | 2006-12-20 | 2008-07-03 | Konica Minolta Opto Inc | Antiglare antireflection film, polarizing plate and display apparatus each using the same |
| JP5288433B2 (en) * | 2007-03-26 | 2013-09-11 | ソマール株式会社 | Shading film |
| JP2010145607A (en) * | 2008-12-17 | 2010-07-01 | Kimoto & Co Ltd | Light shielding member for optical equipment, method for producing light shielding member for optical equipment, and laminate |
-
2011
- 2011-06-29 JP JP2012523828A patent/JP5984668B2/en active Active
- 2011-06-29 CN CN201180028318.5A patent/CN102933988B/en not_active Expired - Fee Related
- 2011-06-29 KR KR1020127029313A patent/KR20130059342A/en not_active Application Discontinuation
- 2011-06-29 WO PCT/JP2011/064867 patent/WO2012005148A1/en active Application Filing
- 2011-07-06 TW TW100123852A patent/TWI513581B/en not_active IP Right Cessation
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0825239A2 (en) * | 1996-08-22 | 1998-02-25 | Nippon Oil Co. Ltd. | Acrylic resin composition for color filter |
| CN101002116A (en) * | 2004-08-10 | 2007-07-18 | 木本股份有限公司 | Light-blocking member for optical instrument |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201208877A (en) | 2012-03-01 |
| CN102933988A (en) | 2013-02-13 |
| KR20130059342A (en) | 2013-06-05 |
| WO2012005148A1 (en) | 2012-01-12 |
| JPWO2012005148A1 (en) | 2013-09-02 |
| JP5984668B2 (en) | 2016-09-06 |
| TWI513581B (en) | 2015-12-21 |
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