WO2004111113A1 - 透明シート及びその製造方法 - Google Patents
透明シート及びその製造方法 Download PDFInfo
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- WO2004111113A1 WO2004111113A1 PCT/JP2004/008227 JP2004008227W WO2004111113A1 WO 2004111113 A1 WO2004111113 A1 WO 2004111113A1 JP 2004008227 W JP2004008227 W JP 2004008227W WO 2004111113 A1 WO2004111113 A1 WO 2004111113A1
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- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- 238000000518 rheometry Methods 0.000 description 1
- WBHHMMIMDMUBKC-XLNAKTSKSA-N ricinelaidic acid Chemical compound CCCCCC[C@@H](O)C\C=C\CCCCCCCC(O)=O WBHHMMIMDMUBKC-XLNAKTSKSA-N 0.000 description 1
- 229960003656 ricinoleic acid Drugs 0.000 description 1
- FEUQNCSVHBHROZ-UHFFFAOYSA-N ricinoleic acid Natural products CCCCCCC(O[Si](C)(C)C)CC=CCCCCCCCC(=O)OC FEUQNCSVHBHROZ-UHFFFAOYSA-N 0.000 description 1
- 150000003329 sebacic acid derivatives Chemical class 0.000 description 1
- DCKVNWZUADLDEH-UHFFFAOYSA-N sec-butyl acetate Chemical compound CCC(C)OC(C)=O DCKVNWZUADLDEH-UHFFFAOYSA-N 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 229910000077 silane Inorganic materials 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- FDNAPBUWERUEDA-UHFFFAOYSA-N silicon tetrachloride Chemical compound Cl[Si](Cl)(Cl)Cl FDNAPBUWERUEDA-UHFFFAOYSA-N 0.000 description 1
- 229920002545 silicone oil Polymers 0.000 description 1
- 229920002050 silicone resin Polymers 0.000 description 1
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- 239000004945 silicone rubber Substances 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 239000000344 soap Substances 0.000 description 1
- 238000000807 solvent casting Methods 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 229920003048 styrene butadiene rubber Polymers 0.000 description 1
- 229920000468 styrene butadiene styrene block copolymer Polymers 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- FFARMWUPSQHFHM-UHFFFAOYSA-J tetrachloridogermanium Chemical compound [Cl-].[Cl-].[Cl-].[Cl-].[Ge+4] FFARMWUPSQHFHM-UHFFFAOYSA-J 0.000 description 1
- 229950011008 tetrachloroethylene Drugs 0.000 description 1
- LFQCEHFDDXELDD-UHFFFAOYSA-N tetramethyl orthosilicate Chemical compound CO[Si](OC)(OC)OC LFQCEHFDDXELDD-UHFFFAOYSA-N 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- HPGGPRDJHPYFRM-UHFFFAOYSA-J tin(iv) chloride Chemical compound Cl[Sn](Cl)(Cl)Cl HPGGPRDJHPYFRM-UHFFFAOYSA-J 0.000 description 1
- DVKJHBMWWAPEIU-UHFFFAOYSA-N toluene 2,4-diisocyanate Chemical compound CC1=CC=C(N=C=O)C=C1N=C=O DVKJHBMWWAPEIU-UHFFFAOYSA-N 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
- WDVUXWDZTPZIIE-UHFFFAOYSA-N trichloro(2-trichlorosilylethyl)silane Chemical compound Cl[Si](Cl)(Cl)CC[Si](Cl)(Cl)Cl WDVUXWDZTPZIIE-UHFFFAOYSA-N 0.000 description 1
- ZDHXKXAHOVTTAH-UHFFFAOYSA-N trichlorosilane Chemical compound Cl[SiH](Cl)Cl ZDHXKXAHOVTTAH-UHFFFAOYSA-N 0.000 description 1
- 239000005052 trichlorosilane Substances 0.000 description 1
- 229920006337 unsaturated polyester resin Polymers 0.000 description 1
- 239000003981 vehicle Substances 0.000 description 1
Classifications
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Definitions
- the present invention relates to a transparent sheet and a method for producing the same. More specifically, the present invention relates to a transparent sheet having excellent transparency and excellent impact resistance and viscoelasticity, and a method for producing the same.
- Patent Literature 1 discloses a soft composition containing a specific hydrogenated block copolymer and a liquid additive such as a paraffin-based process oil at a specific ratio. Further, it is described that such a soft composition is excellent in flexibility, low-molecular retention, mechanical properties, hot-melt adhesiveness and liquid retention. Further, in Patent Document 2 below, a low-molecular material such as paraffin oil is held between three-dimensional continuous network skeletons made of a specific thermoplastic block copolymer. A molecular network is disclosed.
- Patent Document 3 discloses a rubber composition obtained by mixing a polymer network structure disclosed in Patent Document 2 below with a rubber material. It is disclosed that such a rubber composition is a low-elasticity rubber composition in which a low-molecular material is uniformly dispersed, and the low-molecular material is satisfactorily retained and bleeding of the low-molecular material is small.
- a base layer such as a glass plate constituting a flat display panel typified by a liquid crystal panel needs to use a thin and non-alkali glass, so that the base layer is not very viscoelastic and can be pressed or broken. Is known to be easily damaged. Therefore, conventionally, when a flat display panel such as a liquid crystal panel, a plasma display, and an EL panel is used in a portable device or the like, a transparent resin layer made of polycarbonate or acrylic is used to protect the display panel. Was. Also, as shown in Patent Documents 4 and 5 below, an adhesive or the like is provided on one surface of a resin film, and a display panel is provided. There is known a display panel protection sheet attached to the surface of a display panel.
- Patent Document 1 Japanese Patent Application Laid-Open No. 9-263678
- Patent Document 2 JP-A-8-127698
- Patent Document 3 JP-A-8-127699
- Patent Document 4 JP-A-4-1030120
- Patent Document 5 JP-A-2000-56694
- the display panel protection sheet as disclosed in Patent Document 4 is mainly used for protecting a packaged state during transportation and for protecting a stationary display. Not made for.
- the display panel protection sheet of Patent Document 5 can protect against impact and pulling, but the impact caused by dropping and colliding with the floor, and putting the device in a butt pocket and sitting down No mention is made of the load when carrying, such as being held or held down.
- Patent Documents 1 to 3 described above relate to a transparent soft composition.
- the soaking power there is no mention at all in the rubber composition regarding the necessity of achieving both transparency, impact resistance and viscoelasticity, and the means for realizing it. Therefore, conventionally, it has been difficult to achieve both transparency, impact resistance, and viscoelasticity in a rubber composition.
- the present invention has been made in view of the above circumstances, and has as its object to provide a transparent sheet that is excellent in transparency, and excellent in impact resistance and viscoelasticity.
- the transparent sheet of the present invention is as follows.
- thermoplastic elastomer component A
- 500-5000 parts by mass of liquid material B
- total light transmittance 90% or more at 25 ° C and 0.5 mm wall thickness
- a transparent sheet comprising a transparent soft composition layer.
- thermoplastic elastomer one component (A) is a hydrogenated block polymer of a conjugated gen, a hydrogenated block copolymer of an aromatic butyl compound and a conjugated gen, and an ethylene 'olefin rubber.
- the hydrogenated block polymer of the conjugated gen is a butadiene polymer block (I) having a Bull bond content of 525% in the block, and a mass splitting force between the conjugated gen and another monomer.
- the above Bulle bond content of hydrogenated block polymer having at least one block polymer comprising hydrogenated 25 95 weight 0/0 a is the polymer block (II) is in each molecule [ 5] The transparent sheet described above.
- thermoplastic elastomer component (A) further contains another elastomer (A-2).
- liquid material (B) has a kinematic viscosity at 40 ° C of 500 mm 2 / s or less and is a non-volatile liquid material at -100 to 50 ° C.
- thermoplastic elastomer component (A) 100 to 100 parts by mass of one thermoplastic elastomer component (A), containing 500 to 5000 parts by mass of liquid material (B), and having a total light transmittance of 90% or more at 25 ° C and 0.5 mm wall thickness
- thermoplastic elastomer component A thermoplastic elastomer component (A), 500 500 000 parts by mass of liquid material (B), and total light transmittance of 90% or more at 25 ° C and 0.5 mm wall thickness
- a method for producing a transparent sheet comprising laminating a transparent resin layer on at least one surface of a transparent soft composition layer.
- the transparent sheet of the present invention having the above structure, can be easily adhered to a surface protective plate or a base layer constituting a display panel, and is excellent in transparency, excellent in impact resistance and viscoelasticity. It has a function and effect.
- the transparent sheet of the present invention by providing a transparent resin layer on at least one surface of the transparent soft composition layer, when obtaining a display panel, a protective plate panel is provided as in a conventional case, and a protective plate panel is provided. Since there is no need to provide a gap between the substrate and the base layer, the degree of freedom in designing the housing and the like is increased. Moreover, the transparent flexible composition layer and the transparent resin layer are protected by having a peelable protective sheet layer on at least one of the exposed surfaces of the transparent flexible composition layer and the transparent resin layer. At the same time, the protective sheet is peeled off at the time of use, and it is easily adhered to the surface of another adherend. A structure comprising the composition can be obtained.
- the thickness of the transparent soft composition layer by setting the thickness of the transparent soft composition layer to not more than 2.Omm and the total thickness to not more than 10mm, even if the thickness is smaller than the conventional thickness, the thickness may be reduced due to impact or the like. Damage can be prevented.
- one component (A) of the thermoplastic elastomer is obtained by mixing the hydrogenated block polymer of the conjugated gen, the hydrogenated block polymer of the aromatic vinyl compound and the conjugated gen, and ethylene 'olefin.
- it contains at least one type of elastomer (A-1) selected from a series rubber, impact resistance and viscoelasticity can be improved.
- the hydrogenated block polymer of the above conjugated gen is used to form a butadiene polymer block (I) having a vinyl bond content of 5 to 25% of the block, A hydrogenated block obtained by hydrogenating a block polymer having at least one polymer block (II) in the molecule, each having a mass ratio of 100 to 50% by mass and a Bull bond content of about 95% by mass.
- the polymer is used, it is excellent in transparency and can improve impact resistance and viscoelasticity.
- thermoplastic elastomer component (A) is an elastomer composition further containing another elastomer (A-2), impact resistance can be maintained while maintaining excellent transparency. Properties and viscoelasticity can be further improved.
- the liquid material (B) is a non-volatile liquid material having a kinematic viscosity at 40 ° C. of 3 ⁇ 400 mm 2 / s or less and a range of -100 to 50 ° C.
- a transparent sheet having a transparent soft composition layer having excellent transparency in the temperature range and excellent impact resistance and viscoelasticity can be obtained.
- FIG. 1 is a schematic cross-sectional view of an example of the transparent sheet of the present invention.
- FIG. 2 is a schematic cross-sectional view of an example of the transparent sheet of the present invention.
- FIG. 3 is a schematic cross-sectional view of an example of the transparent sheet of the present invention.
- FIG. 4 is a schematic cross-sectional view of an example of the transparent sheet of the present invention.
- FIG. 5 is a schematic cross-sectional view of an example of the transparent sheet of the present invention.
- FIG. 6 is a schematic diagram for explaining an impact resistance test according to the present example.
- thermoplastic elastomer (A)
- thermoplastic elastomer component (A) is an elastomer having thermoplasticity, and by containing the above-mentioned thermoplastic elastomer component (A), contains a liquid material (B) described below, The shape of the transparent soft composition constituting the transparent soft composition layer can be maintained.
- the thermoplastic elastomer one component (A) forms a three-dimensional skeleton.
- the thermoplastic elastomer one component (A) may have a three-dimensional skeleton at the stage of obtaining the transparent flexible composition. Just fine. That is, it is not necessary that the thermoplastic elastomer component itself, which is the raw material of the thermoplastic elastomer component (A), has a three-dimensional skeleton.
- the thermoplastic elastomer component (A) is not particularly limited in its type, material and structure as long as it is a thermoplastic elastomer.
- a thermoplastic elastomer having a total light transmittance of 90% or more, preferably 91% or more, more preferably 92% or more, more preferably 93% or more at a wall thickness of 0.5 mm can be suitably used.
- the thermoplastic elastomer component (A) is preferably a thermoplastic elastomer component having a branched structure from the viewpoint of improving impact resistance.
- the weight average molecular weight of the above thermoplastic elastomer component (A) in terms of polystyrene by gel permeation chromatography is usually 11,800,000, preferably 31,700,000, more preferably 3,100,000. Should be 500,000, more preferably 50,000 to 400,000.
- a transparent flexible composition having excellent mechanical properties can be obtained. It is preferable because it can come.
- thermoplastic elastomer component (A) may include one or more elastomer components.
- thermoplastic elastomer component (A) include a hydrogenated block polymer of a conjugated diene, a hydrogenated block copolymer of an aromatic vinyl compound and a conjugated diene, ethylene.
- Nitrile rubber such as nitrile-butadiene rubber, acrylic rubber, thermoplastic polyolefin elastomer (TPO), thermoplastic polyurethane elastomer (TPU), thermoplastic polyester elastomer (TPEE), polyamide elastomer ( TP AE), and one or more of them, such as gen-based elastomers (1,2 polybutadiene, etc.).
- the thermoplastic elastomer component (A) is selected from a hydrogenated block copolymer of a co-gen, a hydrogenated block copolymer of an aromatic vinyl compound and a conjugated jen, and an ethylene-free-olefin rubber. Those containing at least one elastomer (A_l) are preferred.
- the elastomer (A_l) is preferably a polymer having a branched structure from the viewpoint of improving impact resistance.
- the hydrogenated block polymer of conjugated gen is obtained by hydrogenating a copolymer of one or more conjugated gens or one or more conjugated gens and another monomer. It is a polymer with That is, the concept of the “hydrogenated block polymer” includes a hydrogenated block copolymer.
- the hydrogenated block copolymer of the aromatic vinyl compound and the conjugated gen is obtained by hydrogenating a copolymer of one or more aromatic butyl compounds and one or more conjugated gens.
- Polymer Needless to say, a polymer obtained by adding a hydrogenated silicone to a copolymer containing the above-mentioned aromatic vinyl compound and other monomers other than the above-mentioned co-gen may be used.
- the distribution of the conjugated gen may be random, tapered (the ratio of the conjugated gen unit increases or decreases along the molecular chain), or partially. It may be in the form of a lock or any combination thereof.
- Examples of the conjugated gen include 1,3-butadiene, isoprene, 2,3_dimethyl-1,3_butadiene, 1,3_pentadiene, 2-methynole-1,3_pentadiene, and 1,3_ Hexadiene, 4,5_Jetyl-1,3-octadiene, and one or more kinds of black-mouthed prenes.
- 1,3-butadiene, isoprene and 1,3_pentadiene are preferred, and more preferably 1,3-butadiene, isoprene and 1,3-butadiene are preferred in order to obtain a composition which is industrially usable and has excellent physical properties.
- 3-butadiene and isoprene are preferred, and more preferably 1,3-butadiene, isoprene and 1,3-butadiene are preferred in order to obtain a composition which is industrially usable and has excellent physical properties. 3-butadiene and isoprene.
- the conjugated diene monomer may be used alone or in combination of two or more.
- the aromatic vinyl conjugate include, for example, styrene, t-butylstyrene, polymethylstyrene, ⁇ -chlorostyrene, ⁇ -methylstyrene, dibutylbenzene, ⁇ , ⁇ -ethyl- ⁇ -aminostyrene, and butyl.
- pyridine and the like can be mentioned. Of these, styrene and high methylstyrene are preferred.
- the aromatic vinyl monomers may be used alone or in combination of two or more.
- the hydrogen bond block copolymer of the conjugated gen and the hydrogenated block copolymer of the aromatic vinyl compound and the conjugated gen preferably have a Bull bond (1, 2, and 3, 4_ bond) content. Is 10% or more, more preferably 20. / ⁇ or more, more preferably 30. / ⁇ or more, particularly preferably 30 90%. It is preferable to set the above-mentioned bullet bond content in the above-mentioned range, since the impact resistance can be improved.
- Butadiene polymer block (I) having a content of 5 to 25% and a polymer having a mass ratio of conjugated diene to another monomer of 100 to 50/0 to 50 and a Bier bond content of 25 to 95% by mass.
- Use of a hydrogenated block polymer obtained by hydrogenating a block polymer having at least one block (II) in each molecule is preferable from the viewpoint of impact resistance and viscoelasticity.
- This hydrogenated block copolymer may be used alone or in a blend of two or more.
- the polybutadiene has a vinyl bond content (content of 1, 2, and 3,4 bonds) of 5 to 25%, preferably 5 to 20%, and more preferably 7 to 19%. %. Therefore, the butadiene polymer block (I) becomes a crystalline block showing a structure similar to that of the ethylene butene copolymer by hydrogenation. It is preferable that the content of the bullet bond be in the above-mentioned range, since the mechanical properties and the shape retention can be improved.
- “%" of the Bull bond content means mass% or mol%. That is, if there is a difference between the case where the vinyl bond content is expressed in mass% and the case where the vinyl bond content is expressed in mol%, the difference or deviation is included in the above range.
- the Bull bond content (content of 1, 2, and 3,4 bonds) is usually 2595% by mass, preferably 2590% by mass, and more preferably 30-85% by mass. % By mass. Therefore, when the above polymer block (II) is hydrogenated, for example, when the conjugated diene is 1,3-butadiene, a highly amorphous polymer having a structure similar to that of the rubbery ethylene butene copolymer block is obtained. It becomes a block. By setting the above content within the range of power, a composition having extremely excellent mechanical properties can be obtained.
- the mass ratio of the conjugated diene / other monomer is 100 / 0-50 / 50, preferably 100 / 0-70Z30, and more preferably 100 / 0-90Z10.
- a strong range is preferable because it can maintain transparency and improve impact resistance and viscoelasticity.
- the content of the polymer block (II) is preferably 30 It is 90% by mass, more preferably 40-90% by mass, still more preferably 50-90% by mass, more preferably 50-85% by mass, and particularly preferably 6085% by mass.
- the content of the polymer block (II) is in the above range, shape retention and mechanical properties can be improved.
- the structure of the block copolymer having at least one butadiene polymer block (I) and one polymer block (II) in the molecule may be any as long as the above requirements are satisfied.
- A is a butadiene polymer block (I)
- B is the above-mentioned polymer block (11)
- nl-n3 are integers of 1 or more].
- the block copolymer having at least one butadiene polymer block (I) and at least one polymer block (II) in the molecule a copolymer composed of blocks having three or more blocks has a shape retention property. And mechanical properties are particularly excellent. Accordingly, in the above general formula, nl is particularly preferably an integer of 2 or more.
- the block copolymer having at least one butadiene polymer block (I) and one polymer block ( ⁇ ) in the molecule includes the butadiene polymer block (I) and the polymer block ( ⁇ ), respectively. It may contain other blocks as long as they have at least one in the molecule, especially blocks containing more than 50% by mass of other monomers other than other conjugated gens.
- Examples of the block copolymer having at least one butadiene polymer block (I) and one polymer block (II) in a molecule include (AB) X, (BA) X, and ( (ABA) X, (B_A_B) X, the polymer molecular chain is mm
- AB is the same as above, m is an integer of 2 or more, and X represents a coupling agent residue.
- m is an integer of 2 or more, and X represents a coupling agent residue.
- the coupling agent include 1,2_dibromoethane, methyldichlorosilane, trichlorosilane, methinoletrichloro mouth silane, tetrachlorosilane, tetramethoxysilane, dibutylbenzene, dimethyl adipate, dioctyl adipate, and benzene.
- the hydrogenation ratio of the hydrogenated block copolymer of the conjugated gen and the hydrogenated block copolymer of the aromatic vinyl compound and the conjugated gen is preferably 80% or more, more preferably 85% or more, and particularly preferably. Is over 90%. By setting the hydrogenation rate to 80% or more, shape retention and mechanical properties can be improved.
- the hydrogenated block polymer of the conjugated gen can be used as a modified hydrogenated block polymer by introducing at least one kind of functional group into the hydrogenated block polymer.
- the hydrogenated block polymer of the conjugated gen can be obtained, for example, by the methods disclosed in JP-A-2-133406, JP-A-3-128957, and JP-A-5-170844.
- the hydrogenated block copolymer of the conjugated gen include a hydrogenated block copolymer of a butadiene block copolymer (CEBC) and a hydrogenated block copolymer of a butadiene isoprene butadiene copolymer.
- styrene-based elastomers such as hydrogenated block copolymer (SEBS) of styrene-butadiene-styrene block copolymer.
- the impact resistance and viscoelasticity of the transparent sheet of the present invention can be improved. Accordingly, as the hydrogenated block polymer of the conjugated gen, a hydrogenated block polymer of an conjugated gen is preferred, and a hydrogenated block polymer of a conjugated gen is preferred.
- the above-mentioned ethylene-free olefin rubber is a copolymer of ethylene and a free olefin other than ethylene. It is a copolymer.
- the above ⁇ -olefins are propylene, 1-butene, 1-pentene, 3—methinole 1-butene, 1-hexene, 3-methylinole 1-pentene, 4-methylinole 1-pentene, 3-ethylen 1-pentene, 1 —Holerefin having 3 to 12 carbon atoms, such as —otaten, 1—decene, and 1_ndenecene. Of these monomers, propylene and 1-butene are preferred.
- a polar-group-containing ethylene-polyolefin rubber having a polar group in its structure may be used as the above-mentioned ethylene-polyolefin rubber.
- the polar group include a hydroxyl group, an epoxy group, an amino group, a carboxyl group, an alkoxysilyl group and a nitrile group.
- the polar group-containing ethylene-olefin copolymer rubber may contain one kind of the above-mentioned polar group or may contain two or more kinds of the above-mentioned different polar groups.
- the above-mentioned ethylene-polyolefin rubber may be one obtained by copolymerizing other monomers other than ethylene and polyolefin, such as an ethylene-polyolefin copolymer. ,.
- the other monomers include 1,4-pentanedene, 1,4-hexadiene, 1,5-hexadiene, 1,7-octadiene, 1,9-decadiene, 3,6-dimethyl-1,7- Octagen, 4,5-dimethinole 1,7-octa gen, 5-methino lay 1,8-nona gen, dicyclopentadiene, 5-ethylidene 2_norbornene, 5-vininole 2_norbornene, and 2,5-norbornagen
- Examples include conjugated diene and the like, and polar group-containing monomers such as maleic anhydride and (meth) acrylic acid.
- dicyclopentadiene and 5-ethylidene-2_norbornene are preferred.
- One of these may be used alone, or two or more thereof may be used in combination.
- Examples of the polar group contained in the polar group-containing monomer include the polar groups mentioned in the section of the above-mentioned polar group-containing ethylene-a-olefin-based rubber.
- thermoplastic elastomer component (A) is an elastomer composition containing the elastomer (A_l)
- the elastomer composition further contains another elastomer (A-2). Is also good.
- the above-mentioned other elastomer (A-2) may be used alone or in combination of two or more. It is preferable to include the other elastomer (A-2) since the impact resistance and viscoelasticity can be further improved.
- thermoplastic elastomer one component (A) When forming a three-dimensional skeleton, the above-mentioned other elastomer (A-2) may be an elastomer that forms a three-dimensional skeleton, or may be an elastomer that does not form a three-dimensional skeleton.
- the type of the above-mentioned other elastomer (A-2) is not particularly limited as long as it is an elastomer other than the above-mentioned elastomer (A-1). From the viewpoint of improvement, an elastomer having a branched structure is preferable.
- the other elastomer (A-2) include one or more of butyl rubber, an ethylene-otene copolymer, and polyhexene. Of these, butyl rubber is preferred.
- Examples of the butyl rubber include a copolymer of isobutylene and another monomer or a partially cross-linked polymer thereof, in addition to a polymer of isobutylene or a partially cross-linked polymer thereof.
- Examples of the copolymer of isoptylene and another monomer or a partially crosslinked polymer thereof include a copolymer of isoptylene and isoprene, a copolymer of isobutylene and isoprene and a monomer having a polar group, and These partially crosslinked copolymers can be exemplified.
- the polar group-containing monomer includes one of a hydroxyl group, an epoxy group, an amino group, a carboxyl group, an alkoxysilyl group, a nitrile group, and the like.
- a monomer having two or more types can be mentioned.
- the partially crosslinked copolymer is obtained by copolymerizing a monomer with a polyfunctional unsaturated bond-containing monomer. Examples thereof include a polyvalent aryl compound, a polyvalent (meth) atalylate conjugate, a divinyl conjugate, a bismaleimide compound, and a dioxime compound.
- butyl rubber examples include one or more of isobutylene-isoprene copolymer, chlorinated isobutylene-isoprene copolymer, and brominated isobutylene-isoprene copolymer.
- thermoplastic elastomer component (A) force
- the content ratio of the other elastomer (A-2) is usually 5 to 70% by mass, preferably 15 to 60% by mass, more preferably 1550% by mass, more preferably 2050% by mass, and particularly preferably. Is 2 0- 45 wt 0/0.
- the liquid material (B) contained in the transparent flexible composition is a liquid or paste-like substance at 25 ° C.
- the composition is maintained while maintaining transparency.
- the impact resistance of the product can be improved.
- the liquid material (B) is present while being held by the thermoplastic elastomer component (A). More specifically, in the transparent flexible composition, the thermoplastic elastomer component (A) forms a three-dimensional skeleton, and the liquid material (B) is retained in the three-dimensional skeleton. Conceivable.
- the liquid material (B) is usually transparent, but the transparent soft composition has a thickness of 25 ° C and a wall thickness of 0.
- the material is not particularly limited to a transparent material as long as the total light transmittance at 5 mm can be 90% or more.
- the type of the liquid material (B) is not particularly limited as long as it is liquid or paste at 25 ° C. More specifically, the liquid material (B) is a non-volatile (liquid) liquid material at a temperature of usually ⁇ 100 to 50 ° C., preferably 180 to 50 ° C., and more preferably ⁇ 50 to 50 ° C. There is no particular limitation on the type.
- the kinematic viscosity of the liquid material (B) at 40 ° C. is generally 500 mm 2 / s or less, preferably 400 mm 2 / s or less, more preferably 0.1 to 100 mm 2 / s.
- the kinematic viscosity at 40 ° C. of the liquid material (B) be in the above range, because the shape of the transparent flexible composition can be maintained in a wide temperature range.
- the liquid material (B) is preferably a liquid material having a kinematic viscosity of 500 mm 2 / s or less at 40 ° C. and being non-volatile at -10050 ° C.
- the liquid material (B) has a pour point of ⁇ 10 ° C. or less, particularly ⁇ 20 ° C. or less, further ⁇ 40 ° C. or less, and a water content of 500 ppm or less, particularly It is preferably 200 ppm or less, more preferably 100 ppm or less, and preferably contains a small amount of impurities such as heavy metals.
- liquid material (B) examples include one or more of various lubricants, plasticizers, softeners, and liquid oligomers for plastics and rubber.
- the lubricant examples include a paraffin-based lubricant, a hydrocarbon-based lubricant, and a metal soap.
- the above Examples of the plasticizer include one or more kinds of various fatty acid derivatives such as a phthalic acid derivative, an isophthalic acid derivative, a tetrahydrophthalic acid derivative, an adipic acid derivative, a sebacic acid derivative, a fumaric acid derivative, and a citric acid derivative.
- the softener one or more of petroleum softeners such as paraffinic process oils, mineral oil softeners such as ethylene-a-olefin cooligomers and Gilsonite, and fatty acids such as oleic acid and ricinoleic acid. Two or more are mentioned.
- the liquid oligomer include one or more of polyisobutylene, various liquid rubbers (such as polybutadiene and styrene-butadiene rubber), and silicone oil.
- the transparent sheet of the present invention is often used for displays used outdoors such as mobile phones.
- an oil having no double bond or a component having a double bond such as a paraffin-based process oil, a paraffin-based synthetic oil, or a hydrogenated paraffin-based oil, is used.
- a paraffin-based process oil such as a paraffin-based synthetic oil, or a hydrogenated paraffin-based oil
- the liquid material (B) may be used alone or in combination of two or more.
- the blending amount of the liquid material (B) in the transparent flexible composition is 500 to 5000 parts by mass, preferably 500 to 4000 parts by mass with respect to 100 parts by mass of the thermoplastic elastomer component (A). And more preferably 500 to 3000 parts by mass, more preferably 500 to 2000 parts by mass, and particularly preferably 600 to 1800 parts by mass. If the amount of the liquid material (B) is less than 500 parts by mass, the impact resistance and the viscoelasticity decrease, which is not preferable. On the other hand, if the amount of the liquid material (B) exceeds 5000 parts by mass, the liquid material (B) may ooze out, and the transparent soft composition may have difficulty in maintaining its shape. I don't like it.
- the transparent flexible composition contained in the transparent sheet of the present invention has excellent transparency by having the above configuration.
- the transparent flexible composition has a total light transmittance of 90% or more, preferably 91% or more, more preferably 92% or more at 25 ° C. and 0.5 mm in wall thickness.
- the transparent flexible composition has excellent transparency over a wide temperature range.
- the transparent flexible composition is -100-90 ° C, preferably -50-90 ° C, More preferably, it can be kept transparent at 140-90 ° C (total light transmittance at a thickness of 0.5 mm is 90% or more, preferably 91% or more, more preferably 92% or more).
- the above-mentioned total light transmittance indicates a value measured by the method described in Examples.
- the transparent flexible composition has excellent viscoelasticity by having the above configuration.
- the transparent flexible composition has a shear storage modulus (G ′) of not more than 200,000 dynZcm 2 , preferably 150,000 dynZcm 2 in dynamic viscoelasticity measurement at 30 ° C. and 1 Hz measured by the method described in the following Examples. 2 or less, more preferably 100000 dyn / cm 2 or less.
- the transparent flexible composition has a loss tangent (tan ⁇ ) of 0.03 or more, preferably 0.04 or more in dynamic viscoelasticity measurement at 30 ° C. and 1 Hz measured by the method described in the following Examples. , More preferably 0.05 or more.
- the transparent soft composition can have a falling ball height of 30 cm or more, preferably 40 cm or more, more preferably 55 cm or more, as measured by the method described in the following Examples.
- the tan ⁇ , G 'and the falling ball height can be determined, for example, by using the other elastomer component (A-2) such as butyl rubber in combination, or by mixing the thermoplastic elastomer component (A) and the liquid. It can be appropriately prepared by a method such as changing the content ratio of the shaped material (B).
- the transparent flexible composition essentially contains the thermoplastic elastomer component (A) and the liquid material (B), and has a total light transmittance of 90% or more at 25 ° C and a wall thickness of 0.5 mm.
- Other components may be included as long as As the other component, for example, a coloring agent can be added to form a color. Thereby, when the transparent flexible composition is used, the design can be improved.
- antioxidants for example, antioxidants, weathering agents, metal deactivators, light stabilizers, ultraviolet absorbers, stabilizers such as heat stabilizers, antibacterial and antifungal agents, dispersants, plasticizers, crosslinking agents, Co-crosslinking agents, vulcanizing agents, vulcanizing aids, foaming agents, foaming aids and the like can be used.
- the method for obtaining the transparent flexible composition is not particularly limited, and various methods can be used as needed.
- the above-mentioned thermoplastic elastomer component (A) and the above-mentioned liquid material (B) may be mixed with an appropriate component by adding other components as needed.
- the above-mentioned thermoplastic elastomer component (A) may be mixed under conditions capable of forming a three-dimensional skeleton.
- the transparent flexible composition is essentially a blend of a material having a low viscosity at a high temperature and a high molecular material, a liquid material is mixed at a high speed to mix each component. It is preferable to use equipment that can.
- the thermoplastic elastomer one component (A) and the liquid material (B) are added with other components as necessary, and a homomixer or the like is used. It can be prepared by stirring at a temperature of 80 to 200 ° C., preferably 90 to 190 ° C., under a shearing speed of 10 rpm or more, preferably 30 rpm or more. Further, the molded article of the transparent flexible composition can be easily produced by a conventionally known processing method such as compression molding or injection molding.
- the transparent sheet of the present invention has a transparent flexible composition layer composed of the transparent flexible composition.
- the transparent soft composition layer may be composed of only one layer, or may be composed of two or more transparent flexible compositions of the same material or different materials.
- the thickness of the transparent soft composition layer can be variously varied depending on the application to which the present invention is not particularly limited. Therefore, in the present invention, the “sheet” is a concept including not only a sheet shape but also a film shape. That is, the concept of the transparent sheet of the present invention includes a transparent film.
- the thickness of the transparent soft composition layer is not particularly limited and is usually 0.1 to 2 mm, preferably 0.2 to 0.8 mm, and more preferably 0.3 to 0.5 mm.
- a transparent resin layer can be provided on at least one surface of the transparent flexible composition layer.
- the transparent resin layer only needs to be provided on at least one surface of the transparent soft composition layer. That is, as shown in FIG. 1, it may be provided on only one surface of the transparent soft composition layer, or as shown in FIG. 2, it may be provided on both surfaces of the transparent soft composition layer.
- the transparency of the transparent resin layer may be any transparency that does not significantly impair the visibility of display contents of a display panel or the like.
- the transparency of the transparent resin layer is preferably such that the total light transmittance at 25 ° C measured by the method described in Examples is 80% or more, more preferably 85% or more, further preferably 90% or more, particularly Preferably it is 91% or more.
- the thickness of the transparent resin layer is not particularly limited, and is usually 2.Omm or less, preferably 1.3mm or less, more preferably 1.Omm or less, and particularly preferably 0.05-0.7mm. .
- the material, shape, and structure of the transparent resin constituting the transparent resin layer are not particularly limited. As will be described later, the transparent sheet of the present invention is particularly useful for display panels of electronic and electrical equipment. In particular, in the case of a display panel for a cellular phone or the like, the transparent resin may be used since the load S may be applied to the display panel by, for example, sitting the device in a back pocket. It is preferable to have flexibility that can withstand a load.
- the transparent resin may be in the form of a sheet or a film. Further, the transparent resin may have a single-layer structure or a multilayer structure of two or more layers in which transparent resins of the same material or different materials are laminated. When the transparent resin layer is provided on both surfaces of the transparent soft composition, transparent resins of the same material may be used on both surfaces, and transparent resins of different materials may be used on one surface and the other surface. Moore.
- the transparent resin constituting the transparent resin layer include, for example, polycarbonate resins, acrylic resins such as polymethyl methacrylate, 1,2-polybutadiene resin, polyvinyl chloride resin, and cyclic olefin resin.
- Coalesced modified norbornene resin, norbornene resin, alicyclic acrylic resin, amorphous polyolefin such as polycyclohexynoleethylene, amorphous fluorine resin, polystyrene resin, transparent ABS resin, polyethylene terephthalate, polyethylene na Phthalate, amorphous copolyester, polyarylate, polymethylpentene, polysulfone, polyethersulfone, polyetherimide, cellulose acetate, aryl diglycol carbonate resin, ethylene monoacetate biel copolymer (EVA, usually 3 mass % Vinyl acetate units ), Polyolefin resins such as polyethylene and polypropylene, butyl ester resins (excluding EVA), amorphous polyamide resins, urethane resins, epoxy resins, unsaturated polyester resins, and silicone resins. And the like. Of these, resins such as polycarbonate resins and polyacrylic resins are preferred.
- a peelable protective film layer can be provided on at least one of the exposed surfaces of the transparent soft composition layer and the transparent resin layer.
- the protective film layer 13 can be provided on the surface of the transparent soft composition layer 11.
- the protective film layer 13 can be provided on the surface of the transparent resin layer 12.
- the transparent resin layer 12 is provided only on one side of the transparent soft composition layer 11, the surface of the transparent soft composition layer 11 and the transparent resin layer 12
- the protective film layer 13 can be provided on the surface.
- the protective film layer is provided on both of the exposed surfaces, but it is also possible to provide V or only one of the exposed surfaces. Having a strong protective film layer prevents breakage of the transparent soft composition layer and transparent resin layer before use, and peels off the protective film layer before use and attaches it to the surface of other adherends. Accordingly, the structure having the transparent soft composition layer can be easily obtained.
- the material, shape, and structure of the protective film layer are not particularly limited.
- the material of the protective film layer is obtained by impregnating paper with a resin such as polyester such as PET (polyethylene terephthalate), polyamide, polyimide, polyolefin, polycarbonate, acrylic resin, and fluororesin, or resin. Resin-impregnated paper.
- the protective film layer may be transparent or not transparent.
- the shape of the protective film layer may be a sheet or a film.
- the protective film layer may have a single-layer structure or a laminate of two or more layers.
- examples of the laminate include a laminate in which a rubber film is laminated on at least one surface of a base film as described in Patent Document 5 described above.
- each protective film layer may be a protective film layer having the same material, shape, and structure, or a combination of protective film layers having different materials, shapes, or structures. May be.
- a release layer is provided between the protective film layer and the exposed surface of the transparent soft composition layer and the transparent resin layer in order to facilitate release of the protective film layer. That can be S.
- the method for providing such a release layer is not particularly limited.
- the release layer can be provided by applying a release coating agent on the surface of the protective film layer or on the exposed surface of the transparent flexible composition layer and the transparent resin layer.
- the type of the release coating agent There is no particular limitation on the type of the release coating agent.
- Specific examples of the release coating agent include a silicon coating agent, an inorganic coating agent, a fluorine coating agent, and an organic-inorganic hybrid coating agent.
- the transparent sheet provided with the release layer can be usually obtained by providing the release layer on the surface of the protective film layer and then laminating the transparent soft composition layer or the transparent resin layer on the exposed surface.
- the release layer is provided on the exposed surface of the transparent soft composition layer or the transparent resin layer, not on the surface of the protective film layer. Oh good.
- the thickness of the transparent sheet of the present invention is not particularly limited, and various thicknesses can be obtained depending on the application.
- the thickness of the transparent sheet of the present invention is generally 10 mm or less, preferably 5 mm or less, and more preferably 0.13 mm.
- the method for producing the transparent sheet of the present invention is not particularly limited.
- the transparent sheet of the present invention can be produced, for example, by subjecting the above transparent flexible composition to an ordinary film forming method such as an extrusion method, a coating method, a casting method, a pressing method, an injection molding method or an inflation method.
- the method for producing the transparent sheet of the present invention having the transparent resin layer and the transparent sheet of the present invention having the protective film layer are not particularly limited.
- a method of providing the transparent resin layer or the protective film layer on the surface of the transparent soft composition layer for example, bonding using an adhesive (or an adhesive), hot pressing and cold pressing (simply pressing and bonding) Direct bonding using the same method.
- Other examples include casting methods (solventless casting and solvent casting), extrusion, press molding, injection molding, and casting.
- a transparent resin layer is laminated on at least one surface of the transparent soft composition layer, and then, if necessary, pressed to form at least one of the transparent soft composition layers.
- a transparent resin layer is laminated on one surface
- the transparent sheet of the present invention can be obtained.
- a protective film layer is laminated on at least one surface of the transparent soft composition layer and the transparent resin layer, and then, if necessary, pressed to form the transparent soft composition layer and the transparent resin layer.
- the transparent sheet of the present invention can be obtained by providing a peelable protective film layer on at least one surface of the transparent film.
- laminate of a transparent resin layer or a protective film layer is used only when a completely solid transparent resin layer or a protective film layer is laminated. The case where the film is placed on at least one surface of the transparent flexible composition layer by means such as coating or the like, and then cooled to a complete solid state is also included.
- the transparent sheet is formed by the above method.
- the transparent sheet of the present invention extrudes a semi-hardened transparent resin layer by heating or supplies the transparent flexible composition layer to the surface of the transparent flexible composition layer with a doctor blade while conveying the transparent flexible composition layer, Next, the transparent soft composition layer and the transparent resin layer are pressed with a roller or the like, followed by cooling or the like.
- the transparent sheet of the present invention having the peelable protective film layer transports, for example, the transparent flexible composition layer or the transparent sheet on which a transparent resin (semi-cured state or cured state) is laminated. Meanwhile, it can be obtained by laminating the protective film layer on the exposed surface of the transparent resin layer or the transparent soft composition layer, and then pressing the laminate with a roller or the like.
- the protective film layer is provided with a release layer in advance on the surface, and the protective film layer is placed on the transparent resin layer so that the release layer is in contact with the transparent resin layer or the exposed surface of the transparent soft composition layer. Or you may laminate
- a transparent resin component-containing liquid obtained by dissolving or melting the components constituting the protective film layer in a solvent is applied to at least one surface of the transparent soft composition layer and the transparent resin layer.
- the protective film layer can be provided on at least one surface of the transparent soft composition layer and the transparent resin layer.
- the method of coating is not limited, and is usually performed by a roll coater.
- the transparent sheet of the present invention has the characteristics of being excellent in transparency and having excellent impact resistance and viscoelasticity by having the above-mentioned transparent soft composition
- the transparent sheet of the present invention has the following properties. It can be used for various applications and members requiring transparency, impact resistance and viscoelasticity.
- the transparent sheet of the present invention can be used in various applications such as electronic and electrical equipment, medical equipment, civil engineering and construction materials, food-related materials, and office equipment parts. More specifically, it can be used, for example, for display panels of electronic and electric equipment, design cases, packaging materials, transparent display members in various equipment, and the like.
- the transparent sheet of the present invention can be suitably used particularly for a display panel of an electronic / electric device or the like.
- the use of the above display panel is not particularly limited.
- the display function alone such as a display for a desktop computer, a mobile phone
- the display panel is preferably a plate-shaped display panel, but its shape is not limited. For example, it may be flat or curved. Further, examples of the type of display panel include a liquid crystal display panel, a plasma display panel, and an electroluminescence (EL) display panel.
- PDAs personal digital assistants
- mopile devices notebook computers
- in-vehicle It can be used for a computer, a touch panel, a television, a clock, a measuring instrument, and the like. Further, the present invention is not limited to a mode such as carrying and stationary.
- the display panel is preferably a plate-shaped display panel, but its shape is not limited. For example, it may be flat or curved. Further, examples of the type of display panel include a liquid crystal display panel, a plasma display panel, and an electroluminescence (EL) display panel.
- EL electroluminescence
- hydrogenated block polymers 1 and 2 which are elastomers (A-1) used in this example, were produced.
- the composition and physical properties of hydrogenated block polymer 1 and hydrogenated block polymer 2 are shown in Table 1 below.
- the 1,2-bond content (bound styrene content) of the hydrogenated block polymer 1 and the hydrogenated block polymer 2 was determined by the Hampton method using an infrared absorption spectrum method.
- the weight-average molecular weight of the elastomer (A-1) was determined by gel permeation chromatography (GPC) (“GMH-H”, manufactured by Tosoh Corporation).
- the block ratio of the elastomer (A_l) was determined by measuring the heat of dissolution of the crystal structure by DSC measurement, and the hydrogenation ratio was calculated from H-NMR at 100 MHz using ethylene tetrachloride as a solvent. .
- n-butyl 2 g and hydrogen gas were supplied at a pressure of 0.4 MPa_G, and the mixture was stirred for 20 minutes, and the living anion was converted to lithium hydride.
- the reaction solution was heated to 90 ° C., and a hydrogenation reaction was carried out using a titanocene compound described in JP-A-2000-37632.
- the reaction solution is returned to normal temperature and normal pressure and extracted from the reaction vessel, and then the reaction solution is stirred and poured into water to remove the solvent by steam distillation, thereby obtaining a hydrogenated hydrogen-based gas.
- a hydrogenated block polymer 1 as a union was obtained.
- the hydrogenated block polymer 1 obtained had a hydrogenation rate of 98%, a weight average molecular weight of 280,000, a polybutadiene block in the first stage of the pre-hydrogenated polymer having a Bull bond content of 14%, and a two-stage of the pre-hydrogenated polymer.
- the bullion content of the polybutadiene block of the eye was 80%.
- n-butyllithium and hydrogen gas were supplied at a pressure of 0.4 MPa_G, and the mixture was stirred for 20 minutes, and the living anion was converted to lithium hydride.
- the reaction solution was heated to 90 ° C., and a hydrogenation reaction was carried out using a titanocene compound described in JP-A-2000-37632.
- the reaction solution is returned to normal temperature and normal pressure and extracted from the reaction vessel, and then the reaction solution is stirred and poured into water to remove the solvent by steam distillation, thereby obtaining a hydrogenated hydrogen-based gas.
- a hydrogenated block polymer 2 was obtained.
- the hydrogenated block polymer 2 obtained had a hydrogenation rate of 98%, a weight average molecular weight of 34.8 million, a polybutadiene block in the first stage of the pre-hydrogenated polymer having a Bull bond content of 14%, and a The Bull bond content of the second-stage polybutadiene block was 47%.
- Liquid material 1 paraffin-based process oil (manufactured by Idemitsu Kosan Co., Ltd., trade name: Dianapros Suoil PW-90 ”, kinematic viscosity at 40 ° C; 95 ⁇ 54mm s)
- Liquid material 2 paraffin-based process oil (trade name “Diana Process Oil PW-32", manufactured by Idemitsu Kosan Co., Ltd., kinematic viscosity at 40 ° C; 30,85 mmVs)
- the liquid materials 1 and 2 are both non-volatile at -100 to 50 ° C.
- a silicone rubber thin plate 61 (thickness: 5.15 mm) is placed on a base 62 made of marble or the like, and a 0.7 mm thick melt-molded aluminosilicate thin glass sheet is placed thereon.
- Substrate 2 product name "Corning 1737", manufactured by Koingen Co., Ltd.
- the transparent sheet 1 of No. 1-8 was placed on the base layer 2.
- an acrylic plate 3 having a thickness of 0.5 mm (trade name “Kuralex” manufactured by Nitto Jushi Kogyo Co., Ltd.) was placed.
- Gonolev Benole 7 (diameter: 42.7 mm, mass: 45.8 g) was dropped freely onto transparent sheet 1 at a predetermined height and collided. After that, it was visually inspected for cracks and cracks in the base layer 2. The height at which the base layer 2 was broken was determined as the falling ball height (cm), and the impact resistance was evaluated.
- the transparent sheet No. 8 comprising a butyl rubber layer and a polycarbonate layer other than the present invention has excellent transparency and viscoelasticity, but has a very low falling ball height and poor impact resistance.
- the transparent sheet No. 17 having the transparent flexible composition layer using both the thermoplastic elastomer component (A) and the liquid material (B) of the present invention has a total light transmittance of all. In addition to having excellent transparency, excellent viscoelasticity, and a falling ball height of 45 cm or more, it is clear that it has excellent impact resistance.
- thermoplastic elastomer component (A) a hydrogenated block polymer corresponding to the elastomer (A_l) and butyl rubber corresponding to another elastomer (A-2) are used in combination.
- the transparent sheet No. 1-4 having the transparent soft composition layer is compared with the transparent sheet No. 5-7 having the transparent soft composition layer not using butyl rubber, the transparent sheets No. 1-4 are as follows. Transparency is maintained at the same level as transparent sheet No. 5-7, and tan ⁇ is 0.15 or more, G 'force S55000dyn / cm 2 or less, and viscoelasticity superior to transparent sheet No.
- the ball has a falling ball height of 55 cm or more, and has an impact resistance superior to that of the transparent sheet No. 5-7. From these results, in the present invention, the use of the elastomer (A-1) in combination with another elastomer (A-2) as the thermoplastic elastomer component (A) provides excellent transparency. It can be seen that the impact resistance and viscoelasticity can be further improved while maintaining.
- the present invention is not limited to the above-described embodiment, and can be variously modified within the scope of the present invention depending on the purpose and application.
- particles having a particle size of 10 Onm or less can be dispersed in the transparent resin layer.
- colloidal silica or the like can be used.
- the force applied to the transparent resin layer can be received by the plurality of particles and the stress can be dispersed.
- the transparent sheet of the present invention may further include an optional layer such as a polarizing plate layer.
- the transparent sheet of the present invention includes a mobile phone, a portable information terminal, a display for a desktop computer, a notebook computer, a vehicle-mounted computer, a touch panel, and a television.
- a display panel such as a watch.
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Laminated Bodies (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/559,664 US20060272771A1 (en) | 2003-06-13 | 2004-06-11 | Transparent sheet and process for producing the same |
EP04745821A EP1634910A4 (en) | 2003-06-13 | 2004-06-11 | TRANSPARENT SURFACE PATTERN AND MANUFACTURING METHOD THEREFOR |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003-169785 | 2003-06-13 | ||
JP2003169785 | 2003-06-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004111113A1 true WO2004111113A1 (ja) | 2004-12-23 |
Family
ID=33549382
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2004/008227 WO2004111113A1 (ja) | 2003-06-13 | 2004-06-11 | 透明シート及びその製造方法 |
Country Status (6)
Country | Link |
---|---|
US (1) | US20060272771A1 (ja) |
EP (1) | EP1634910A4 (ja) |
KR (1) | KR20060021885A (ja) |
CN (1) | CN100354343C (ja) |
TW (1) | TW200502304A (ja) |
WO (1) | WO2004111113A1 (ja) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3836128B8 (en) | 2006-07-14 | 2024-07-10 | Dexerials Corporation | Resin composition and display apparatus |
WO2008045181A1 (en) | 2006-10-05 | 2008-04-17 | Dow Global Technologies Inc. | Bulk light diffuser composition |
EP2133855B1 (en) * | 2007-04-03 | 2016-11-23 | Dexerials Corporation | Method for manufacturing image display |
CN101652803B (zh) * | 2007-04-03 | 2015-02-04 | 迪睿合电子材料有限公司 | 图像显示装置的制造方法 |
US7927533B2 (en) * | 2007-04-04 | 2011-04-19 | Sony Chemical & Information Device Corporation | Method for manufacturing image display device |
JP2009186957A (ja) * | 2007-04-09 | 2009-08-20 | Sony Chemical & Information Device Corp | 樹脂組成物及び表示装置 |
JP5401824B2 (ja) | 2007-04-09 | 2014-01-29 | デクセリアルズ株式会社 | 画像表示装置 |
US20100033661A1 (en) * | 2007-04-09 | 2010-02-11 | Sony Chemical & Information Device Corporation | Image display device |
JP5470735B2 (ja) * | 2007-04-10 | 2014-04-16 | デクセリアルズ株式会社 | 画像表示装置の製造方法 |
JP5343391B2 (ja) * | 2007-07-17 | 2013-11-13 | デクセリアルズ株式会社 | 樹脂組成物及び画像表示装置 |
JP5206953B2 (ja) | 2007-07-17 | 2013-06-12 | デクセリアルズ株式会社 | 画像表示装置及びその製造方法 |
US20110109580A1 (en) * | 2008-05-08 | 2011-05-12 | Charles Sellers | Wear-Resistant Touchpads |
US20100065342A1 (en) * | 2008-09-15 | 2010-03-18 | Thin Film Devices, Inc. | Touch screen having reduced reflection |
WO2010044419A1 (ja) * | 2008-10-14 | 2010-04-22 | Agcグリーンテック株式会社 | 調光方法、調光システムおよび建造物 |
CN107075079B (zh) | 2014-10-27 | 2020-05-08 | Ctech胶粘剂有限责任公司 | 使用紫外固化型压敏型粘合剂(psa)的装配方法或分阶段的psa*** |
US20200164623A1 (en) * | 2017-05-12 | 2020-05-28 | Daicel Corporation | Sheet, method for producing sheet, and method for laminating sheet |
CN109260495B (zh) * | 2017-07-18 | 2021-08-13 | 东莞亿得电器制品有限公司 | 具有多层透气膜的香氛胶囊及使用该香氛胶囊的加热器 |
CN111732803B (zh) * | 2019-03-19 | 2023-03-14 | 日东电工(上海松江)有限公司 | 透明复合材料 |
JP7397645B2 (ja) * | 2019-12-11 | 2023-12-13 | エルジー ディスプレイ カンパニー リミテッド | フロントカバーフィルム及びその製造方法、並びに画像表示装置 |
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JPH0430120A (ja) | 1990-05-26 | 1992-02-03 | Fujimori Kogyo Kk | 液晶表示パネルの表面保護および検査方法 |
JPH0873681A (ja) | 1994-09-01 | 1996-03-19 | Bridgestone Corp | エチレン−プロピレン系ゴム組成物 |
JPH08127698A (ja) | 1994-09-07 | 1996-05-21 | Bridgestone Corp | 高分子網状構造体及びその製造方法 |
JPH08127699A (ja) | 1994-09-07 | 1996-05-21 | Bridgestone Corp | ゴム組成物 |
JPH09263678A (ja) | 1996-03-27 | 1997-10-07 | Japan Synthetic Rubber Co Ltd | 軟質組成物 |
JP2000056694A (ja) | 1998-08-07 | 2000-02-25 | Kureha Elastomer Kk | 表示画面用保護フィルム |
JP2002371136A (ja) | 2001-06-15 | 2002-12-26 | Kuraray Co Ltd | 熱可塑性エラストマーペレットおよび成形物 |
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Publication number | Priority date | Publication date | Assignee | Title |
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DE4326521B4 (de) * | 1992-08-10 | 2005-12-22 | Bridgestone Corp. | Lichtstreuendes Material und Verfahren zu seiner Herstellung |
-
2004
- 2004-06-11 TW TW093116929A patent/TW200502304A/zh unknown
- 2004-06-11 CN CNB2004800130688A patent/CN100354343C/zh not_active Expired - Fee Related
- 2004-06-11 KR KR1020057023843A patent/KR20060021885A/ko not_active Application Discontinuation
- 2004-06-11 US US10/559,664 patent/US20060272771A1/en not_active Abandoned
- 2004-06-11 EP EP04745821A patent/EP1634910A4/en not_active Withdrawn
- 2004-06-11 WO PCT/JP2004/008227 patent/WO2004111113A1/ja not_active Application Discontinuation
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH0430120A (ja) | 1990-05-26 | 1992-02-03 | Fujimori Kogyo Kk | 液晶表示パネルの表面保護および検査方法 |
JPH0873681A (ja) | 1994-09-01 | 1996-03-19 | Bridgestone Corp | エチレン−プロピレン系ゴム組成物 |
JPH08127698A (ja) | 1994-09-07 | 1996-05-21 | Bridgestone Corp | 高分子網状構造体及びその製造方法 |
JPH08127699A (ja) | 1994-09-07 | 1996-05-21 | Bridgestone Corp | ゴム組成物 |
JPH09263678A (ja) | 1996-03-27 | 1997-10-07 | Japan Synthetic Rubber Co Ltd | 軟質組成物 |
JP2000056694A (ja) | 1998-08-07 | 2000-02-25 | Kureha Elastomer Kk | 表示画面用保護フィルム |
JP2002371136A (ja) | 2001-06-15 | 2002-12-26 | Kuraray Co Ltd | 熱可塑性エラストマーペレットおよび成形物 |
Also Published As
Publication number | Publication date |
---|---|
CN1788041A (zh) | 2006-06-14 |
TW200502304A (en) | 2005-01-16 |
US20060272771A1 (en) | 2006-12-07 |
KR20060021885A (ko) | 2006-03-08 |
EP1634910A4 (en) | 2006-07-26 |
EP1634910A1 (en) | 2006-03-15 |
CN100354343C (zh) | 2007-12-12 |
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