WO2010058987A2 - 다층 필름 및 이의 제조방법 - Google Patents
다층 필름 및 이의 제조방법 Download PDFInfo
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- WO2010058987A2 WO2010058987A2 PCT/KR2009/006841 KR2009006841W WO2010058987A2 WO 2010058987 A2 WO2010058987 A2 WO 2010058987A2 KR 2009006841 W KR2009006841 W KR 2009006841W WO 2010058987 A2 WO2010058987 A2 WO 2010058987A2
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- multilayer film
- buffer layer
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- curing
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- 0 *C(CC(C*1OC*1)CC1)C1O Chemical compound *C(CC(C*1OC*1)CC1)C1O 0.000 description 1
- OECTYKWYRCHAKR-UHFFFAOYSA-N C1OC1C1CC2OC2CC1 Chemical compound C1OC1C1CC2OC2CC1 OECTYKWYRCHAKR-UHFFFAOYSA-N 0.000 description 1
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Definitions
- the present invention relates to a multilayer film and a method for manufacturing the same, and more particularly, to a film having a multilayer structure with improved heat resistance and high temperature flatness and a method for manufacturing the same.
- Glass plates used in various electronic devices including organic and inorganic light emitters, display devices, and photovoltaic power generators have satisfactory characteristics in light transmittance, thermal expansion coefficient, chemical resistance, etc., but they are heavy, fragile and hard, and require careful handling. It is a limiting factor in product design.
- plastic films which are typical materials having light weight, excellent impact resistance, and flexible properties.
- plastics which are typical materials having light weight, excellent impact resistance, and flexible properties.
- plastic film has a number of disadvantages compared to the glass plate, it is necessary to supplement the physical properties.
- the conventional plastic film has a problem that it is difficult to perform a roll process (curl), adhesion, elongation occurs when processing at a glass transition temperature (Tg) or more.
- the process can be easily carried out at the glass transition temperature (Tg) or less due to the improved heat resistance and the high temperature flatness, and the curl, adhesion, and elongation at or above the glass transition temperature (Tg) are increased. It is possible to suppress the occurrence or to proceed the process easily without curling, sticking or stretching.
- An object of the present invention is to provide a film having a multilayer structure and a method of manufacturing the same.
- the polymer substrate Provided is a multilayer film including a buffer layer on the upper and lower surfaces of the polymer substrate, the buffer layer comprising a cured product by UV curing and thermosetting of the buffer composition capable of UV curing and thermosetting.
- the polymer substrate may have a single layer structure, or may have a structure in which two or more polymer layers are bonded.
- the present invention (a) coating the UV curable and thermosetting buffer composition on one surface of the polymer substrate to form a buffer layer, (b) UV curing the buffer layer formed in the step (a), (c ) Coating a buffer composition capable of UV curing and thermosetting on the other surface of the polymer substrate having the buffer layer on one surface to form a buffer layer, (d) UV curing the buffer layer formed in step (c), and ( d) it provides a method for producing a multilayer film comprising the step of thermally curing the UV cured buffer layer provided on both sides of the polymer substrate at the same time.
- the present invention (a) coating a UV curable and thermosetting buffer composition on one surface of the polymer substrate to form a buffer layer; (b) UV curing the buffer layer; (c) thermosetting the UV-cured buffer layer to form a multilayer film having a structure in which a polymer substrate and a buffer layer are laminated; (d) repeating the above steps (a) to (c) to produce one more multilayer film having the same structure as in step (c); And (e) bonding the multilayer films prepared in the steps (c) and (d) to each other such that the polymer substrate surfaces are adjacent to each other to form a symmetrical multilayer film. do.
- the present invention provides an electronic device comprising the multilayer film.
- the present invention provides a buffer composition comprising a sol-like composition of the hydrolyzate of at least one of an organosilane and a metal alkoxide and a curable epoxy resin as a buffer composition for forming the buffer layer.
- the content of the sol composition of the hydrolyzate of at least one of the organosilane and the metal alkoxide is 5 to 95 parts by weight
- the content of the curable epoxy resin is preferably 5 to 95% by weight.
- the process can be easily performed at the glass transition temperature (Tg) or less, and the curl, adhesion, and stretching phenomenon at the glass transition temperature (Tg) or more can be achieved. It is possible to suppress the occurrence or to proceed the process easily without curling, sticking, or stretching.
- 1 and 2 each show a cross section of a multilayer film according to one embodiment of the invention.
- Figure 3 is a graph showing a comparison of the coefficient of linear expansion according to the temperature of the multilayer film prepared according to the Examples and Comparative Examples.
- Example 4 is a photograph showing a multilayer film having excellent flatness according to Example 1 of the present invention.
- FIG. 5 is a photograph showing a multilayer film in which warpage occurs according to Comparative Example 1 of the present invention.
- the present invention a polymer substrate; Provided is a multilayer film including a buffer layer on the upper and lower surfaces of the polymer substrate, the buffer layer including a cured product by UV curing and thermosetting of a buffer composition capable of UV curing and thermosetting.
- the buffer layer 110, the polymer substrate 100, and the buffer layer 110 may have a stacked structure.
- the polymer substrate may have a single layer structure or a structure in which two or more polymer layers are bonded to each other.
- 2 illustrates a structure in which the polymer substrate includes the polymer substrate 100, the bonding layer 111, and the polymer substrate 100, but the scope of the present invention is not limited thereto.
- the polymer substrate is preferably in the form of a film or sheet of 10 to 2,000 ⁇ m thickness.
- the polymer substrate may be made of a single layer.
- the polymer substrate may have a structure in which two or more polymer layers are bonded.
- the final multilayer film produced has a symmetrical structure up and down, thereby minimizing warpage of the film.
- the polymer thickness is a structure in which two or more polymer layers are bonded, they may be manufactured using a conventional acrylic adhesive or a thermal bonding method.
- the content is not particularly limited, but the thickness of the bonding layer containing the adhesive is preferably 0.1 to 10 ⁇ m.
- the polymer substrate may be prepared through a solution casting method or a film extrusion process, and may be briefly annealed for a few seconds to several minutes in the vicinity of the glass transition temperature in order to minimize deformation due to temperature after the preparation. After annealing, primer coating may be applied to the surface of the polymer substrate in order to improve the coating property and adhesion, or surface treatment may be performed by plasma treatment using corona, oxygen or carbon dioxide, ultraviolet-ozone treatment, ion beam treatment with a reaction gas, or the like. have.
- the polymer substrate may be selected from one or more selected from the group consisting of a single polymer, two or more polymer blends, and a polymer composite material containing an organic or inorganic additive.
- the polymer when the multilayer film of the present invention is used as a substrate of the liquid crystal display device, since the manufacturing process for forming the thin film transistor and the transparent electrode is performed at a high temperature of 200 ° C or higher, high heat resistance that can withstand such high temperature It is preferable to use a polymer having.
- the polymer having the above-mentioned properties include polynorbornene, aromatic florene polyester, polyethersulfone, bisphenol A polysulfone, polyimide and the like.
- polymers such as polyethylene terephthalate, polyethylene naphthalene, polyarylate, polycarbonate, and cyclic olefin copolymer can be used. It may be.
- the PET film when used as the polymer substrate, curvature, adhesion, and stretching of the PET film is suppressed at the glass transition temperature (Tg) or higher, or the curvature, adhesion,
- Tg glass transition temperature
- the process can be easily carried out without stretching.
- the process is possible at a high temperature of 100 degrees or more, and a multilayer film having excellent surface hardness is possible.
- a nanomaterial is dispersed in a polymer, and a polymer composite material containing an organic or inorganic additive may be used.
- the polymer composite material may include a polymer-clay nanocomposite in which clay nanomaterials are dispersed in a polymer matrix.
- the polymer-clay nanocomposite has a smaller amount of clay than a conventional composite such as glass fiber due to the small particle size ( ⁇ 1 ⁇ m) and the large aspect ratio of the clay.
- physical properties such as dimensional stability can be improved. That is, in order to improve the above properties, it is important to peel off the clay layer having a layered structure and disperse it well in the polymer matrix, and to satisfy this, the polymer-clay nanocomposite is satisfied.
- Polymers that can be used in the polymer-clay nanocomposite include polystyrene, polymethacrylate, polyethylene terephthalate, polyethylene naphthalene, polyarylate, polycarbonate, cyclic olefin copolymer, polynorbornene, aromatic florene polyester, Polyether sulfone, polyimide, epoxy resin, polyfunctional acrylate, and the like, and as the clay, laponite, montmorillonite, megadite and the like can be used.
- the buffer layer serves to alleviate the difference in the large coefficient of linear expansion with the polymer substrate, and to improve the adhesion with the polymer substrate.
- the buffer layer may planarize the surface of the polymer substrate.
- the buffer layer comprises a UV cured and heat-cured cured product, the content of the uncured epoxy group after curing is not less than 10% by weight and less than 100% by weight, preferably 30% by weight to 95% by weight, more Preferably it is 50 to 90 weight%.
- the buffer layer may include a cured product by UV curing and thermosetting of a mixture of at least one hydrolyzate of the organosilane and metal alkoxide and a curable epoxy resin.
- the hydrolyzate of at least one of the organosilane and the metal alkoxide is 5 to 95 parts by weight
- the curable epoxy resin is 5 to 95 parts by weight based on 100 parts by weight of the cured product.
- the buffer layer may be formed by coating a UV curable and thermosetting buffer composition on a polymer substrate, followed by UV curing and thermosetting. Specifically, at least one of the organosilane and the metal alkoxide is partially hydrolyzed to prepare a sol composition, and then mixed with a curable epoxy resin and coated on a polymer substrate, followed by UV curing and thermosetting.
- the organosilane is not particularly limited as long as it includes an organosilane group, and at least one member selected from the group consisting of compounds represented by Formulas 1 to 3 may be used.
- the metal alkoxide is not particularly limited as long as it is a metal alkoxide, and at least one member selected from the group consisting of compounds represented by the following general formula (4) may be used.
- the curable epoxy resin is not particularly limited as long as it includes an epoxy group, and may include at least one selected from alicyclic epoxy resins represented by the following Formulas 5 to 10 and triglycidyl isocyanurate represented by the following Formula 11, and the like. .
- X may be the same or different from each other, hydrogen, halogen, alkoxy, acyloxy, alkylcarbonyl, alkoxycarbonyl, or -N (R 2 ) 2 having 1 to 12 carbon atoms,
- R 1 may be the same or different from each other, alkyl having 1 to 12 carbon atoms, alkenyl having 2 to 12 carbon atoms, alkynyl, aryl having 6 to 20 carbon atoms, arylalkyl, alkylaryl, arylalkenyl, alkenylaryl, aryl Alkynyl, alkynylaryl, halogen, amide, aldehyde, ketone, alkylcarbonyl, carboxy, mercapto, cyano, hydroxy, alkoxy having 1 to 12 carbon atoms, alkoxycarbonyl having 1 to 12 carbon atoms, sulfonic acid, phosphoric acid , Acryloxy, methacryloxy, epoxy, or a vinyl group,
- R 2 is hydrogen or alkyl having 1 to 12 carbon atoms
- n 1 to 3
- M represents a metal selected from the group consisting of aluminum, zirconium and titanium
- R 3 may be the same as or different from each other, a halogen, an alkyl, alkoxy, acyloxy, or hydroxy group having 1 to 12 carbon atoms,
- Z is an integer of 3 or 4.
- R 20 in formula (8) represents an alkyl group or trimethylolpropane residue and q is 1-20.
- R 21 and R 22 may be the same or different and each represents H or CH 3 and r is 0 to 2.
- the buffer composition for forming the buffer layer may include an organosilane and a metal alkoxide alone or in the form of a mixture.
- the content of the organosilane and the metal alkoxide is preferably 5 to 95 parts by weight based on 100 parts by weight of the buffer composition. Do.
- the curable epoxy resin may be used in an amount of 5 to 95 parts by weight based on 100 parts by weight of the buffer composition, and may further include 1 to 90 parts by weight of a curing agent based on 100 parts by weight of the buffer composition.
- the curable epoxy resin may further include 0.1 to 20 parts by weight of catalyst based on 100 parts by weight of the buffer composition.
- the preparing of the curable epoxy resin may include mixing 1 to 90 parts by weight of the curing agent with respect to 100 parts by weight of the buffer composition and 0.1 to 20 parts by weight of the catalyst based on 100 parts by weight of the buffer composition; And mixing 1 to 95 parts by weight of the epoxy resin with respect to 100 parts by weight of the curing agent and the buffer composition to which the catalyst is added. More preferably, 91 parts by weight of the epoxy curing agent and 1 part by weight of the catalyst are mixed, heated and stirred for 30 minutes, and then 50 parts by weight of the solid epoxy is stirred for 10 minutes to melt, and then the catalyst is added to the curing agent and the melted epoxy. By mixing and stirring, a transparent curable epoxy resin can be prepared.
- the epoxy resin may be a compound selected from an alicyclic epoxy resin represented by the formula (5) to 10 and the triglycidyl isocyanurate represented by the formula (11), or a combination of two or more.
- the combination may be used in combination with other epoxy resins for refractive index adjustment so that the refractive index of the resin combination and, if necessary, the glass filler are equal.
- curing agent is preferable,
- Anhydride, glutaric anhydride, methylhexahydro phthalic anhydride, methyltetrahydrophthalic anhydride, hydrogenated methylnadic anhydride, hydrogenated hydric anhydride, etc. can be selected and used 1 or more types.
- methylhexahydrophthalic anhydride and hydrogenated methylnadic anhydride are preferred from the viewpoint of transparency.
- the catalyst contains acetic acid, benzoic acid, salicylic acid, para-toluenesulfonic acid, boron trifluoride-amine complex, boron trifluoride ammonium salt, aromatic diazonium salt, aromatic sulfonium salt, aromatic iodonium salt and aluminum complex as curing accelerators.
- Tertiary amines such as 1,8-diazabicyclo [5.4.0] undecene-7 and triethylenediamine
- Imidazoles such as 2-ethyl-4-methylimidazole
- Phosphorus compounds such as triphenylphosphine and tetraphenylphosphinium; Tetraphenylborate; Quaternary ammonium salts; Organometallic salts;
- the buffer composition may be prepared from the compound exemplified above, and optionally, a filler and a solvent may be additionally added to the composition.
- the filler is metal, glass powder, diamond powder, silicon oxide, clay, calcium phosphate, magnesium phosphate, barium sulfate, aluminum fluoride, calcium silicate, magnesium silicate, barium silicate, barium carbonate, barium hydroxide, and aluminum silicate. It can select and use 1 or more types from the group which consists of.
- the solvent is not particularly limited as long as it is a solvent compatible or soluble with epoxy, a curing agent, and a catalyst.
- One or more solvents selected from butyl ketone, methanol, ethanol, propanol and isopropanol can be used.
- the amount of the filler and the solvent to be added is not particularly limited as needed.
- the buffer layer By forming the buffer layer using the above-described materials, it is possible to provide a multilayer film having a flat surface even at high temperatures while minimizing deformation during thermosetting.
- UV curing of the buffer composition is not particularly limited as long as it can achieve a radical reaction with a UV light source, but it is preferable to use a mercury or metal halide lamp alone or in combination.
- the surface hardness of the buffer layer may be increased by UV curing.
- the buffer composition by UV curing on both surfaces of the polymer substrate to increase the surface hardness, it can be thermally cured to produce a multi-layered film.
- the buffer layer serves to alleviate the difference in the coefficient of linear expansion with the polymer substrate and to improve the adhesion with the polymer substrate.
- the buffer layer may planarize the surface of the polymer substrate.
- Another embodiment of the present invention (a) coating a UV curable and thermosetting buffer composition on one surface of the polymer substrate to form a buffer layer, (b) UV curing the buffer layer formed in the step (a) Step, (c) coating the UV curable and thermosetting buffer composition on the other surface of the polymer substrate having the buffer layer on one surface to form a buffer layer, (d) UV curing the buffer layer formed in the step (c) It provides a method for producing a multi-layer film comprising the step, and (d) thermally curing the UV-cured buffer layer provided on both sides of the polymer substrate at the same time.
- Another embodiment of the present invention comprises the steps of (a) coating a UV curable and thermosetting buffer composition on one surface of the polymer substrate to form a buffer layer; (b) UV curing the buffer layer; (c) thermosetting the UV-cured buffer layer to form a multilayer film having a structure in which a polymer substrate and a buffer layer are laminated; (d) repeating the above steps (a) to (c) to produce one more multilayer film having the same structure as in step (c); And (e) bonding the multilayer films prepared in the steps (c) and (d) to each other such that the polymer substrate surfaces are adjacent to each other to form a symmetrical multilayer film. do.
- the coating method of the buffer layer is not particularly limited, but methods such as spin coating, roll coating, bar coating, dip coating, gravure coating, and spray coating may be used, but are not limited thereto.
- the buffer layer formed as described above preferably has a thickness of 0.1 to 50 ⁇ m.
- the thickness is thinner than 0.1 ⁇ m, it is susceptible to obstacles due to pinhole defects and suffers from limitations in which leakage current appears.
- the thickness exceeds 50 ⁇ m, distortion of the film during curing may occur. This is formed and there is a problem of poor flatness.
- the flatness of roughness Ra of the surface of the buffer layer is very important. If the buffer layer is not flat, defects may occur when another layer is formed thereon.
- the surface flatness of the buffer layer is preferably about 1 nm, and more preferably within 1 nm.
- the flatness may have a Ra value of 0.1 to 1.2 nm.
- UV curing is not particularly limited as long as it can achieve a radical reaction by a UV light source, but it is preferable to use a mercury or metal halide lamp alone or in combination.
- UV curing for example, may be performed for 1 second to several hours, such as 1 minute or less, with an energy of 20 mJ / cm 2 to 3000 mJ / cm 2 .
- thermosetting may be carried out, for example, at a temperature of 100-200 degrees for 1 minute to several hours, such as 1 hour or less, preferably 10 to 20 minutes.
- the multilayer film according to the present invention may have a small value up to 6.5 ppm / KR by minimizing deformation during thermal curing by instantaneously improving surface hardness by UV curing.
- the coefficient of linear expansion of the multilayer film according to the present invention may be 5 to 30ppm / KR or less, preferably 6 to 20ppm / KR or less.
- the multilayer film according to the present invention has a pencil hardness of 2 or more, preferably may have a pencil hardness of 2H or more and 8H or less. Therefore, the multilayer film of the present invention can replace the fragile and heavy glass substrate that has been mainly used in the conventional display device, etc., and may also be used as a material requiring excellent gas barrier property.
- an electronic device such as an image display device including the multilayer film.
- the multilayer film according to the present invention can be used as a substrate material of an image display device or a cover material of a display element.
- the electronic device may be manufactured by a conventional method known in the art using the multilayer film as a substrate.
- the multilayer film according to the present invention is a film having a flat surface even at high temperature by minimizing deformation during thermal curing by instantaneous improvement of surface hardness by UV curing, and it is possible to replace the fragile and heavy glass substrates that have been mainly used in display devices. In addition, it can be used as a material that requires excellent heat resistance and high temperature flatness.
- TEOS tetraethoxysilane
- GTMS glycidoxypropyltrimethoxysilane
- the solvent was removed for 5 minutes in a 90 ° C convection oven and UV cured, then coated on the other side of the uncoated PET and 5 minutes in a 90 ° C convection oven.
- the solvent was removed, UV cured, and thermally cured in a convection oven at 180 ° C. for 1 hour to obtain a PET film coated on both sides with a buffer composition.
- the thickness of the buffer layer measured by alpha stepper after the curing reaction was 10 ⁇ m.
- the surface roughness of the buffer layer measured in the room temperature tapping mode of AFM is 0.4 nm or less in a measurement area of 10 ⁇ m ⁇ 10 ⁇ m.
- Pencil hardness measured by the method of ASTM D3363 under a load of 200 g.
- the substrate according to Example 1 had no curvature when placed on a flat bottom as shown in FIG. 4, ie, excellent in heat resistance and high temperature flatness, and as shown in Table 1, the plastic substrate produced had small linear expansion. It can be seen that the properties of modulus and dimensional stability are satisfied at the same time.
- a buffer composition and a coating film were prepared in the same manner as in Example 1, except that 10 parts by weight of an anhydride (MH700G, New Japan Chemical) was added.
- an anhydride MH700G, New Japan Chemical
- the buffer composition and the coating film were prepared by the method.
- a buffer composition and a coating film were prepared in the same manner as in Example 1, except that 30 parts by weight of colloidal silica (MIBK-ST) was further added.
- MIBK-ST colloidal silica
- a buffer composition and a coating film were prepared in the same manner as in Example 1.
- TEOS tetraethoxysilane
- GTMS glycidoxypropyltrimethoxysilane
- the solvent was removed for 5 minutes in a 90 ° C convection oven, UV cured, and thermally cured in a 120 ° C convection oven for 1 hour to coat a buffer layer on one surface of the PET film.
- the surface roughness of the buffer layer measured in the room temperature tapping mode of AFM is 0.4 nanometer or less at a measurement area of 50 microns x 50 microns.
- the multilayer film was prepared once more in the same manner as above.
- the adhesive composition the main component of which is an acrylate oligomer having a multifunctional group
- the polymer substrate of the multilayer film prepared in the same manner as described above is laminated. And irradiated for 6 minutes with an ultraviolet irradiator (DYMAX 2000-EC) to induce a curing reaction of the adhesive composition to make a plastic substrate of a symmetrical structure.
- an ultraviolet irradiator DYMAX 2000-EC
- the substrate according to Example 6 had no bending when placed on a flat bottom.
- UV curing alone does not completely cure, and thus the adhesion between the interfaces is lowered to produce a coated film having low physical properties such as pencil hardness.
Abstract
Description
Claims (20)
- 고분자 기재와; 상기 고분자 기재의 상면 및 하면에 UV 경화 및 열경화 가능한 버퍼 조성물의 UV 경화 및 열경화에 의한 경화물을 포함하는 버퍼층을 포함하는 다층 필름.
- 청구항 1에 있어서, 상기 고분자 기재는 단일층 구조 또는 2층 이상의 고분자 층이 접합된 구조인 것인 다층 필름.
- 청구항 1에 있어서, 상기 고분자 기재는 단일 고분자, 1 종 이상의 고분자 블렌드, 및 유기 또는 무기 첨가물이 함유된 고분자 복합 재료로 이루어진 군으로부터 선택되는 적어도 1 종 이상을 포함하는 것을 특징으로 하는 다층 필름.
- 청구항 3에 있어서, 상기 단일 고분자 또는 1종 이상의 고분자 블렌드를 위한 고분자는 폴리노보넨, 아로마틱 플로렌 폴리에스테르, 폴리에테르설폰, 비스페놀에이폴리설폰, 폴리이미드, 폴리에틸렌테레프탈레이트, 폴리에틸렌나프탈렌, 폴리아릴레이트, 폴리카보네이트, 및 환상형 올레핀 공중합체로 이루어진 군으로부터 선택되는 적어도 1종 이상을 포함하는 것을 특징으로 하는 다층 필름.
- 청구항 3에 있어서, 상기 무기 첨가물이 함유된 고분자 복합 재료는 클레이 나노 물질이 고분자 매트릭스에 분산된 폴리머-클레이 나노 복합체인 것을 특징으로 하는 다층 필름.
- 청구항 1에 있어서, 상기 버퍼층은 미경화된 에폭시기 함량이 10중량% 이상 100중량% 미만인 것인 다층 필름.
- 청구항 1에 있어서, 상기 버퍼층은 유기실란 및 금속알콕사이드 중 적어도 하나의 가수분해물과 경화형 에폭시 수지의 혼합물의 UV경화 및 열경화에 의한 경화물을 포함하는 것인 다층 필름.
- [규칙 제26조에 의한 보정 22.01.2010]
청구항 7에 있어서, 상기 유기실란은 하기 화학식 1 내지 화학식 3으로 표시되는 화합물로 이루어진 군으로부터 선택되는 적어도 1종 이상을 포함하고, 상기 금속알콕사이드는 하기 화학식 4로 표시되는 화합물로 이루어진 군으로부터 선택되는 적어도 1종 이상을 포함하며, 상기 경화형 에폭시 수지는 하기 화학식 5 내지 10으로 나타내는 지환식 에폭시 수지 및 하기 화학식 11로 표시되는 트리글리시딜 이소시아누레이트로 이루어진 군으로부터 선택되는 적어도 1 종 이상을 포함하는 것인 다층 필름: [화학식 1] (R1)m-Si-X(4-m) [화학식 2] (R1)m-O-Si-X(4-m) [화학식 3] (R1)m-N(R2)-Si-X(4-m) 상기 화학식 1 내지 화학식 3에서, X는 각각 독립적으로 서로 같거나 다를 수 있으며, 수소, 할로겐, 탄소수 1 내지 12의 알콕시, 아실옥시, 알킬카보닐, 알콕시카보닐, 또는 -N(R2)2이고, R1은 각각 독립적으로 서로 같거나 다를 수 있으며, 탄소수 1 내지 12의 알킬, 탄소수 2 내지 12의 알케닐, 알키닐, 탄소수 6 내지 20의 아릴, 아릴알킬, 알킬아릴, 아릴알케닐, 알케닐아릴, 아릴알키닐, 알키닐아릴, 할로겐, 아마이드, 알데하이드, 케톤, 알킬카보닐, 카복시, 머캅토, 시아노, 하이드록시, 탄소수 1 내지 12의 알콕시, 탄소수 1 내지 12의 알콕시카보닐, 설폰산, 인산, 아크릴옥시, 메타크릴옥시, 에폭시, 또는 비닐기이며, R2는 수소, 또는 탄소수 1 내지 12의 알킬이고, m은 1 내지 3의 정수이다. [화학식 4] M-(R3)z 여기서, M은 알루미늄, 지르코늄 및 티타늄으로 이루어진 군으로부터 선택되는 금속을 나타내며, R3은 각각 독립적으로 서로 같거나 다를 수 있으며, 할로겐, 탄소수 1 내지 12의 알킬, 알콕시, 아실옥시, 또는 하이드록시기이며, Z는 3 또는 4의 정수이다. [화학식 5] [화학식 6] [화학식 7] [화학식 8] 화학식 8에서 R20은 알킬기 또는 트리메틸롤프로판 잔기를 나타내고 q는 1 내지 20이다. [화학식 9] 여기서, R21 및 R22는 동일 또는 상이할 수 있고 각각 H 또는 CH3를 나타내고 r은 0 내지 2이다. [화학식 10] 여기서 s 는 0 내지 2이다. [화학식 11] - 청구항 7에 있어서, 상기 경화물 100 중량부에 대하여 유기실란 및 금속알콕사이드 중 적어도 하나의 가수분해물은 5 내지 95중량부이고, 상기 경화형 에폭시 수지는 5 내지 95 중량부인 것인 다층 필름.
- 청구항 7에 있어서, 상기 버퍼층은 금속, 유리분말, 다이아몬드분말, 실리콘옥사이드, 클레이, 칼슘포스페이트, 마그네슘포스페이트, 바륨설페이트, 알루미늄 플루오라이드, 칼슘실리케이트, 마그네슘 실리케이트, 바륨실리케이트, 바륨카보네이트, 바륨하이드록사이드 및 알루미늄실리케이트로 이루어진 군으로부터 적어도 1 종 이상 선택되는 충진제, 경화제, 촉매 및 용매를 추가적으로 포함하는 것을 특징으로 하는 다층 필름.
- 청구항 1에 있어서, 상기 버퍼층의 두께가 0.1 ㎛ 내지 50 ㎛인 것을 특징으로 하는 다층 필름.
- 청구항 1에 있어서, 상기 다층 필름의 선팽창계수는 5 내지 30ppm/KR인 것인 다층 필름.
- 청구항 1에 있어서, 상기 다층 필름의 연필경도는 2H 내지 8H인 것인 다층 필름.
- 청구항 1에 있어서, 상기 다층 필름의 표면 평탄도(Ra)는 0.1 내지 1.2nm인 것인 다층 필름.
- (a) 고분자 기재의 일면에 UV경화 및 열경화 가능한 버퍼 조성물을 코팅하여 버퍼층을 형성하는 단계, (b) 상기 (a) 단계에서 형성한 버퍼층을 UV경화하는 단계, (c) 상기 버퍼층을 일면에 구비한 고분자 기재의 타면에 UV경화 및 열경화 가능한 버퍼 조성물을 코팅하여 버퍼층을 형성하는 단계, (d) 상기 (c) 단계에서 형성한 버퍼층을 UV경화하는 단계, 및 (e) 고분자 기재의 양면에 구비된 UV경화된 버퍼층을 동시에 열경화하는 단계를 포함하는 다층 필름의 제조방법.
- (a) 고분자 기재의 일면에 UV경화 및 열경화 가능한 버퍼 조성물을 코팅하여 버퍼층을 형성하는 단계; (b) 상기 버퍼층을 UV경화하는 단계; (c) 상기 UV경화된 버퍼층을 열경화하여 고분자 기재와 버퍼층이 적층된 구조의 다층 필름을 형성하는 단계; (d) 상기 (a)~(c)의 과정을 반복하여 상기 (c) 단계와 동일한 구조의 다층 필름을 하나 더 제조하는 단계; 및 (e) 상기 (c) 단계 및 상기 (d) 단계에서 각각 제조한 다층 필름을 고분자 기재면이 인접하도록 서로 접합하여 대칭 구조의 다층 필름을 형성하는 단계를 포함하는 다층 필름의 제조방법.
- 청구항 15 또는 16에 있어서, UV 경화는 수은 혹은 메탈 할라이드 램프를 단독 혹은 병행하여 에너지 20mJ/cm2 내지 3000mJ/cm2로 1초 내지 수시간수행하고, 열경화는 온도 100-200도에서 1분 내지 수시간 수행하는 것인 다층 필름의 제조방법.
- 청구항 1 내지 청구항 14 중 어느 하나의 항에 따른 다층 필름을 포함하는 전자소자.
- 유기실란 및 금속알콕사이드 중 적어도 하나의 가수분해물의 졸상태의 조성물과 경화형 에폭시 수지를 포함하는 버퍼 조성물.
- [규칙 제26조에 의한 보정 22.01.2010]
청구항 19에 있어서, 상기 유기실란은 하기 화학식 1 내지 화학식 3으로 표시되는 화합물로 이루어진 군으로부터 선택되는 적어도 1종 이상을 포함하고, 상기 금속알콕사이드는 하기 화학식 4로 표시되는 화합물로 이루어진 군으로부터 선택되는 적어도 1종 이상을 포함하며, 상기 경화형 에폭시 수지는 하기 화학식 5 내지 10으로 나타내는 지환식 에폭시 수지 및 하기 화학식 11로 표시되는 트리글리시딜 이소시아누레이트로 이루어진 군으로부터 선택되는 적어도 1 종 이상을 포함하는 것인 버퍼 조성물: [화학식 1] (R1)m-Si-X(4-m) [화학식 2] (R1)m-O-Si-X(4-m) [화학식 3] (R1)m-N(R2)-Si-X(4-m) 상기 화학식 1 내지 화학식 3에서, X는 각각 독립적으로 서로 같거나 다를 수 있으며, 수소, 할로겐, 탄소수 1 내지 12의 알콕시, 아실옥시, 알킬카보닐, 알콕시카보닐, 또는 -N(R2)2이고, R1은 각각 독립적으로 서로 같거나 다를 수 있으며, 탄소수 1 내지 12의 알킬, 탄소수 2 내지 12의 알케닐, 알키닐, 탄소수 6 내지 20의 아릴, 아릴알킬, 알킬아릴, 아릴알케닐, 알케닐아릴, 아릴알키닐, 알키닐아릴, 할로겐, 아마이드, 알데하이드, 케톤, 알킬카보닐, 카복시, 머캅토, 시아노, 하이드록시, 탄소수 1 내지 12의 알콕시, 탄소수 1 내지 12의 알콕시카보닐, 설폰산, 인산, 아크릴옥시, 메타크릴옥시, 에폭시, 또는 비닐기이며, R2는 수소, 또는 탄소수 1 내지 12의 알킬이고, m은 1 내지 3의 정수이다. [화학식 4] M-(R3)z 여기서, M은 알루미늄, 지르코늄 및 티타늄으로 이루어진 군으로부터 선택되는 금속을 나타내며, R3은 각각 독립적으로 서로 같거나 다를 수 있으며, 할로겐, 탄소수 1 내지 12의 알킬, 알콕시, 아실옥시, 또는 하이드록시기이며, Z는 3 또는 4의 정수이다. [화학식 5] [화학식 6] [화학식 7] [화학식 8] 화학식 8에서 R20은 알킬기 또는 트리메틸롤프로판 잔기를 나타내고 q는 1 내지 20이다. [화학식 9] 여기서, R21 및 R22는 동일 또는 상이할 수 있고 각각 H 또는 CH3를 나타내고 r은 0 내지 2이다. [화학식 10] 여기서 s 는 0 내지 2이다. [화학식 11]
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CN200980146323.9A CN102216073B (zh) | 2008-11-19 | 2009-11-19 | 多层膜及其制造方法 |
EP20090827752 EP2357079B1 (en) | 2008-11-19 | 2009-11-19 | Multilayer film and a production method for same |
US13/130,008 US20110287221A1 (en) | 2008-11-19 | 2009-11-19 | Multilayer film and a production method for same |
JP2011537362A JP5334069B2 (ja) | 2008-11-19 | 2009-11-19 | 多層フィルム及びその製造方法 |
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KR (1) | KR101133062B1 (ko) |
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Cited By (3)
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US20120308794A1 (en) * | 2011-06-01 | 2012-12-06 | Cheng-Chuan Lai | Optical composite substrate |
KR20150113916A (ko) * | 2014-03-31 | 2015-10-08 | 주식회사 동진쎄미켐 | 기재의 휨현상 방지 코팅방법 |
WO2015152617A1 (ko) * | 2014-03-31 | 2015-10-08 | 주식회사 동진쎄미켐 | 기재의 휨현상 방지 코팅방법 |
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JP5883352B2 (ja) * | 2012-06-12 | 2016-03-15 | 富士フイルム株式会社 | 積層フィルムおよびタッチパネル |
WO2014027761A1 (ko) * | 2012-08-17 | 2014-02-20 | 제일모직 주식회사 | 표시소자용 플렉서블 기판, 그 제조방법 및 이를 이용한 디스플레이 장치 |
KR102650412B1 (ko) * | 2022-03-21 | 2024-03-22 | 박현배 | 다회성 열압착용 실리콘 쿠션패드를 이용한 모니터링 시스템 |
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US20120308794A1 (en) * | 2011-06-01 | 2012-12-06 | Cheng-Chuan Lai | Optical composite substrate |
KR20150113916A (ko) * | 2014-03-31 | 2015-10-08 | 주식회사 동진쎄미켐 | 기재의 휨현상 방지 코팅방법 |
WO2015152617A1 (ko) * | 2014-03-31 | 2015-10-08 | 주식회사 동진쎄미켐 | 기재의 휨현상 방지 코팅방법 |
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KR102367173B1 (ko) | 2014-03-31 | 2022-02-25 | 주식회사 동진쎄미켐 | 기재의 휨현상 방지 코팅방법 |
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WO2010058987A3 (ko) | 2010-08-26 |
CN102216073B (zh) | 2015-07-15 |
KR20100056420A (ko) | 2010-05-27 |
EP2357079A2 (en) | 2011-08-17 |
KR101133062B1 (ko) | 2012-04-04 |
JP2012509212A (ja) | 2012-04-19 |
CN102216073A (zh) | 2011-10-12 |
EP2357079B1 (en) | 2014-07-16 |
JP5334069B2 (ja) | 2013-11-06 |
EP2357079A4 (en) | 2012-06-20 |
US20110287221A1 (en) | 2011-11-24 |
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