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WO2018030759A1 - Composition de résine pour matériau optique et film optique la comprenant - Google Patents

Composition de résine pour matériau optique et film optique la comprenant Download PDF

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Publication number
WO2018030759A1
WO2018030759A1 PCT/KR2017/008566 KR2017008566W WO2018030759A1 WO 2018030759 A1 WO2018030759 A1 WO 2018030759A1 KR 2017008566 W KR2017008566 W KR 2017008566W WO 2018030759 A1 WO2018030759 A1 WO 2018030759A1
Authority
WO
WIPO (PCT)
Prior art keywords
optical film
polymethyl methacrylate
resin composition
optical
glass transition
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/KR2017/008566
Other languages
English (en)
Korean (ko)
Inventor
이중훈
박세정
황성호
문병준
송헌식
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LG Chem Ltd
Original Assignee
LG Chem Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from KR1020170096362A external-priority patent/KR20180018334A/ko
Application filed by LG Chem Ltd filed Critical LG Chem Ltd
Priority to EP17839777.4A priority Critical patent/EP3333224B1/fr
Priority to JP2018513453A priority patent/JP6587165B2/ja
Priority to CN201780003543.0A priority patent/CN108137897B/zh
Priority to US15/765,298 priority patent/US10633530B2/en
Publication of WO2018030759A1 publication Critical patent/WO2018030759A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • B29C55/02—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
    • B29C55/10—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial
    • B29C55/12—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial biaxial
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/18—Manufacture of films or sheets
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L33/00—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
    • C08L33/04—Homopolymers or copolymers of esters
    • C08L33/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, which oxygen atoms are present only as part of the carboxyl radical
    • C08L33/10—Homopolymers or copolymers of methacrylic acid esters
    • C08L33/12—Homopolymers or copolymers of methyl methacrylate
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L69/00—Compositions of polycarbonates; Compositions of derivatives of polycarbonates
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/30—Polarising elements
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/13363—Birefringent elements, e.g. for optical compensation

Definitions

  • Resin composition for optical materials and optical film comprising same
  • the present invention relates to a resin composition for an optical material and an optical film including the same.
  • the liquid crystal display uses polarized light, and for this purpose, a polarizing plate is used, and a PVA element is typically used.
  • a polarizing plate such as a PVA device has a weak mechanical property and is easily affected by an external environment, for example, temperature or humidity
  • a protective film is required to protect it.
  • Such protective films should be excellent in optical properties and in mechanical properties.
  • a TAC film Tro i-Acetyl-cel lulose Film
  • an acrylic film having better heat resistance and water absorption resistance than a TAC film has been used.
  • Such a polarizing plate protective acrylic film is manufactured through a stretching process, so that the acrylic resin having a glass transition temperature of 120 ° C or more is generally used so that the dimensional change at high temperature and the optical properties can be stably maintained.
  • a monomer is introduced.
  • introducing a monomer having a ring structure not only the unit cost of the raw material is increased, but also a problem of processing at a higher temperature is required.
  • polymethyl methacrylate PMMA
  • PMMA polymethyl methacrylate
  • the glass transition temperature is low, and thus there is a problem that the dimensional stability is worsened because the draw history is released at high temperatures.
  • a separate phase difference regulator in order to use as a polarizing plate protective film for the IPS mode, a separate phase difference regulator must be added in order to realize a low phase difference value.
  • the phase difference regulator used here should be excellent in compatibility with polymethyl methacrylate, and also have a low phase difference. An appropriate content should be included for the realization of the value.
  • polymethyl methacrylate has a negative birefringence characteristic that the refractive index increases in the direction perpendicular to the stretching direction when drawn into a film, so that the retardation agent used for the realization of a low retardation value increases the refractive index in the stretching direction Must have positive birefringence properties.
  • materials having such positive refractive characteristics polycarbonate, polyester, phenoxy resin, and the like are known, and most have disadvantages of poor compatibility with polymethyl methacrylate. Accordingly, the present inventors have made diligent efforts to prepare a resin composition for an optical material that can realize a low retardation value while using polymethyl methacrylate that does not contain a monomer having a ring structure in a polymer main chain. Methacrylate. When a specific amount of methacrylic acid monomer is included at the terminal and polycarbonate is included as a phase difference regulator, it was confirmed that the above was achieved to complete the present invention.
  • the present invention is to provide a resin composition for an optical material having excellent transparency and heat resistance, and a small retardation value, and a film comprising the same. will be.
  • this invention is providing the polarizing plate containing the said optical film.
  • the present invention is 1) polymethyl methacrylate
  • polymethylmethacrylate comprises 1 to 5% by weight of methacrylic acid monomers relative to the weight of the polymethylmethacrylate, and the poly
  • the glass transition temperature of methyl methacrylate is 100 ° C or more and less than 120 ° C.
  • the glass transition degree of the polycarbonate is 125 ° C or more and less than 135 ° C., and the glass transition temperature of the polymethyl methacrylate and polycarbonate. The difference is less than 20 ° C, to provide a resin composition for an optical material.
  • Polymethyl methacrylate (PMMA) is excellent in transparency and can be used as an optical film, especially a polarizing plate protective film.
  • the polymethyl methacrylate when produced as a film, a stretching process should be used to increase the mechanical strength. Since the polymethyl methacrylate has a low glass transition temperature, the optical film prepared using the same is stretched when used at a high temperature. There is a problem that the hysteresis is released and the dimensional stability worsens. In order to improve this, there is a method of introducing a monomer having a ring structure into the polymethyl methacrylate polymer backbone, but the manufacturing process is complicated, the cost of the raw material is not only high, but also must be processed at a higher temperature, There is a problem that the end group of the polymer is decomposed or the low molecular weight additives are pyrolyzed.
  • the present invention provides a resin composition for an optical material that can realize a low retardation value by using polymethyl methacrylate, which will be described later, and polycarbonate as a retardation regulator.
  • polymethyl methacrylate which will be described later
  • polycarbonate as a retardation regulator
  • the methacrylic acid serves to control the glass transition temperature by inhibiting the decomposition of the copolymer.
  • the glass transition temperature of the polymethyl methacrylate is 100 ° C or more and less than 120 ° C., preferably 110 ° C or more and 117 ° C or less.
  • the glass transition temperature is less than 100 ° C, there is a problem in that the thermal stability is poor when prepared as a film.
  • the glass transition temperature is 120 ° C or more, as described above, a special monomer having a ring structure is introduced into the polymethyl methacrylate main chain, or the stereoregularity of the acrylic polymer chain in the polymerization process (tact i ci ty). )
  • the polymethyl methacrylate may be prepared by a known method except that methacrylic acid is used in addition to methyl methacrylate, for example, emulsion polymerization, emulsion-suspension polymerization, suspension polymerization, and the like. It can be prepared as.
  • methacrylic acid monomer used in addition to methyl methacrylate
  • the polymethyl methacrylate is first polymerized Methacrylic acid monomers can be polymerized.
  • the weight average molecular weight of the polymethyl methacrylate is 100, 000 to 160, 000. If the weight average molecular weight is less than 100, 000, there is a problem that the mechanical properties when the film is produced, and if the weight average molecular weight is more than 160, 000, there is a problem that stretching processing is difficult.
  • polycarbonate' used in the present invention refers to an aromatic diol compound and a carbonate precursor formed by reaction, and may be prepared by interfacial polymerization or solution polymerization.
  • bisphenol A and phosgene can be produced by interfacial polymerization.
  • the polycarbonate is added to control the retardation, and the glass transition temperature of the polycarbonate should be comparable to the polymethacrylate for compatibility with the polymethacrylate, processability of the optical film, and physical properties of the optical film.
  • the glass transition temperature of the polycarbonate is more than 125 ° C and less than 135 ° C. If the glass transition temperature is less than 125 ° C.
  • the polymerization efficiency is also poor to manufacture.
  • the glass transition temperature is 135 ° C. or more, the compatibility with the acrylic resin of the present invention is poor, it is not preferable to obtain a transparent film.
  • the polycarbonate is preferably 1% by weight to 10% by weight in the resin composition for an optical material. If the polycarbonate content is less than 1% by weight, the negative refraction property is so large that zero phase difference is not realized. On the contrary, if the polycarbonate content is more than 10% by weight, the positive birefringence property is too large to realize zero phase difference. There is also a problem that the compatibility is worsened and the transparency is lowered.
  • the resin composition for optical materials which concerns on this invention contains 90-99 weight% of polymethylmethacrylate mentioned above, and 1-10 weight% of polycarbonate. Moreover, the said resin composition for optical materials can be manufactured by melt-stirring the said polymethylmethacrylate and a polycarbonate composition. Moreover, the said resin composition for optical materials may contain additives, such as a ultraviolet absorber, a heat stabilizer, a lubricating agent, as needed. In this case, the additives may be included in an appropriate content within a range that does not impair the physical properties of the resin composition, for example, may be included in 0.1 to 5 parts by weight based on 100 parts by weight of the resin composition for the entire optical material. Optical film
  • optical film containing the resin composition for optical materials mentioned above.
  • optical film used in the present invention means a film produced by stretching the above-mentioned resin composition for optical materials.
  • any method known in the art for example, a solution caster method or an extrusion method, may be used, and for example, a melt extrusion method may be used.
  • the extruder After drying the resin composition in vacuo to remove moisture and dissolved oxygen, the extruder is nitrogen-substituted from a raw material hopper to a single or twin extruder, which is melted at high temperature to obtain raw material pellets, and vacuum drying the obtained raw material pellets; After melt
  • the film forming temperature is preferably 150 ° C to 350 ° C, more preferably 200 ° C to 300 ° C.
  • the optical film according to the present invention is preferably produced by biaxially stretching a film made of the above-described resin composition for optical materials 1.5 times to 2.5 times in the MD direction and 1.5 times to 3.0 times in the TD direction. The stretching is to align the molecules of the polymer contained in the composition for the optical material, and affects the properties of the optical film produced according to the degree of stretching.
  • ratio (TD draw ratio / MD draw ratio) of the draw ratio of the said MD direction and the draw ratio of a TD direction is 1.05 or more and 1.70 or less.
  • the stretching temperature is preferably carried out at a temperature of KC to 30 ° C higher than the glass transition temperature of the polymethyl methacrylate.
  • the optical film according to the present invention has excellent dimensional stability, and introduced a parameter called TTS (Temperature of Thermal Shr inkage) to evaluate the thermal dimensional stability.
  • TTS refers to the temperature at which the optical film produced by the stretching process begins to shrink rapidly as the stretching history is relaxed. Specifically, when the temperature is applied to the optical film, it means the temperature at which shrinkage starts after expansion as the temperature increases.
  • the TTS in the MD direction and the TD direction of the optical film according to the present invention is 100 ° C. to 120 ° C., respectively.
  • the optical film according to the present invention can be produced by orienting the polymer chain through a biaxial stretching process, it is possible to improve the easily brittle characteristics.
  • the optical film according to the present invention is characterized in that the impact energy value of Equation 1 is 400 kN-m / m 3 or more:
  • Lamination energy (gravity acceleration X falling weight ball falling ball height) / (thickness of optical film X area of optical film)
  • the specific measuring method of the impact energy can be specified in the following examples. For example, in the following examples, to measure the impact energy
  • the thickness of the optical film according to the present invention can be appropriately adjusted as necessary, for example, it is preferably 10um to 100urn. Also preferably, the optical film according to the present invention exhibits the following phase difference:
  • nx, ny, and nz represent refractive indexes in an x-axis direction, a y-axis direction, and a z-axis direction, respectively, and d means the thickness (nm) of an optical film.
  • the phase difference means that the low phase difference value is satisfied.
  • low retardation values can be realized by using polymethyl methacrylate and polycarbonate as retardation regulators.
  • the present invention provides a polarizing plate comprising the optical film.
  • the optical film according to the present invention may be used as a protective film of the polarizing plate, thereby supplementing the mechanical properties of the polarizing plate, and protecting the polarizing plate from the influence of the external environment, for example, temperature or humidity.
  • the optical film according to the present invention may be attached to one side or both sides of the polarizing plate and used as a polarizing plate protective film.
  • the optical film according to the present invention can be used between the polarizing plate and the liquid crystal cell, in this case it can protect the liquid crystal cell and the polarizing plate at the same time.
  • FIG. 1 An example thereof is shown in FIG. 1.
  • the polarizer / protective film / liquid crystal cell / protective film / polarizer may be configured in this order, and on the other side of each polarizer, a TAC film or an acrylic film may be used as a protective film without limitation. have.
  • the resin composition for an optical material according to the present invention using a polymethyl methacrylate that does not contain a monomer having a ring structure, but using a polycarbonate as a phase difference regulator, low retardation value when produced as an optical film There is a feature that can be implemented.
  • FIG. 1 schematically shows an example in which a protective film according to the present invention is used.
  • Preparation Example 1 Polymethylmethacrylate In a 5 liter reaction vessel, 1000 g of a monomer mixture of 98% by weight of methyl methacrylate and 2% of methyl acrylate are added, 2000 g of distilled water, 8.4 g of a 5% polyvinyl alcohol solution (P0VAL PVA217, kuraray), and dispersion 0.1 g of boric acid was added and dissolved as adjuvants.
  • P0VAL PVA217 polyvinyl alcohol solution
  • n-octyl mercaptan as a chain transfer agent and 1.5 g of 2,2'-azobisisobutyronitrile were added as a polymerization initiator and dispersed in an aqueous phase with stirring at 400 rpm to prepare a suspension. After heating to 80 ° C. for 90 minutes, the mixture was cooled to 30 ° C. The obtained beads were washed with distilled water, dehydrated, and dried to prepare a polymethylmethacrylate resin. The glass transition temperature and molecular weight of the prepared resin were measured, and the glass transition temperature was 116 ° C. and the weight average molecular weight was 120,000. The glass transition temperature was measured under conditions of a rise of 10 ° C./min using a differential scanning calorimeter (DSC) manufactured by Met Tier Toledo.
  • DSC differential scanning calorimeter
  • the sheet was prepared in the same manner as in Example 1, except that 85 wt% of polymethylmethacrylate prepared in Preparation Example 1 and 15% of PC-1 were mixed. Got it. Comparative Example 2
  • a sheet was obtained in the same manner as in Example 1, except that 95 wt3 ⁇ 4 of polymethyl methacrylate prepared in Preparation Example 1 and 5 wt% of PC-2 were mixed. Comparative Example 3
  • a sheet was obtained in the same manner as in Example 1, except that 95% of polymethyl methacrylate prepared in Preparation Example 1 and PC-3 5 wt3 ⁇ 4 were mixed. Comparative Example 4
  • the polymethyl methacrylate prepared in Preparation Example 1 was formulated with an antioxidant (Irganox 1010, BASF) in an amount of 0.5 phr, dry blended, and compounded with a twin extruder to prepare a resin composition.
  • the resin composition was melted at 265 ° C. and extruded into a sheet form through T-Di e to obtain a sheet of 180 urn.
  • a glass transition temperature difference The glass transition temperature of polycarbonate (PC-1, PC-2, or PC-3) and the glass transition temperature of polymethyl methacrylate were calculated.
  • Total light transmittance (Tt) The sheet and total light transmittance were measured using a turbidimeter.
  • Example 1 since the glass transition temperature difference is less than 2 (rc, the polycarbonate content is 10 wt% or less, a transparent sheet having excellent total light transmittance and Haze value was prepared.
  • Comparative Example 1 the glass transition temperature difference is less than 20 ° C, but the polycarbonate content is 10 wt% or more, so that an opaque sheet having a low total light transmittance and a large Haze value was prepared.
  • the content of carbonate is 10 wt% or less, the glass transition temperature difference is 20 ° C or more, and thus an opaque sheet was prepared.
  • Comparative Example 4 the polycarbonate resin was not added, and the transparent sheet having good total light transmittance and Haze value was obtained.
  • Example 1 using the sheets of Example 1 and Comparative Example 4, the transparent sheet was prepared, the following experiment was carried out.
  • the sheet of Example 1 was biaxially stretched at the stretching temperature and the draw ratio as described in Table 2 below to prepare optical films (Examples 2 to 7).
  • the sheet of Comparative Example 4 was biaxially stretched at the stretching temperature and the draw ratio as described in Table 2 below to prepare an optical film (Comparative Example 5).
  • the sheet of Example 1 which was not biaxially stretched was made into the comparative example 6 for comparison. The characteristics were evaluated as follows using the prepared optical film.
  • TTS Temporal of .Thermal Shr inkage: 80 x Samples were prepared in the size of 4.5 mm 3 and measured using a TA TMA (Q400) instrument. Specifically, when the temperature is applied under conditions of a temperature increase rate of 10 ° C / min and a load of 0.02 N, the TTS value of the inflection point of the inflection point where the sample begins to contract after expansion in the MD and TD directions, respectively It was made.
  • Retardation The retardation was measured at a wavelength of 550 nm using a birefringence measuring instrument (AxoScan, Axometr ics). Measured values of the refractive index ( nx ) in the X-axis direction, the refractive index (ny) in the y-axis direction, and the refractive index (nz) in the z-axis direction, and the in-plane phase difference (Rin) and thickness direction phase difference (Rth) values are calculated by the following equation. It was.
  • Rin (nm) (nx-ny) x d
  • Rth (nm) ((nx + ny) / 2-nz) x d
  • Impact strength (kN-m / m 3 ): Measure the thickness of the optical film, fix the film by inserting it into a circular frame of 76 ⁇ diameter, and then use a circular ball (iron ball) with a weight of 16.4 g. Free fall while varying the height was dropped on the film to check the damage of the optical film. The breakage of the optical film was judged as whether or not the fracture was sustained without breaking more than eight times by free-falling a total of ten times at the same height. Using eight times the maximum height, the stratified energy value of the optical film was calculated by the following equation.
  • Example 2 when the resin composition of Example 1 was used, it was confirmed that exhibits low retardation characteristics under any stretching conditions. On the contrary, when the optical film was manufactured using only polymethyl methacrylate as in the resin composition of Comparative Example 4, it was confirmed that the Rth retardation value was high. In addition, when the biaxial stretching was not performed as in Comparative Example 6, it was confirmed that the lamellar energy was low. In addition, when comparing Example 2 and Example 4, it was confirmed that the higher the stretching temperature at the same draw ratio, the higher the TTS value, and the optical film with less dimensional change could be produced.

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  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Polymers & Plastics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Medicinal Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Manufacturing & Machinery (AREA)
  • Nonlinear Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Mathematical Physics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Polarising Elements (AREA)

Abstract

La présente invention concerne une composition de résine pour un matériau optique qui peut obtenir une valeur de différence de phase faible lorsqu'elle est préparée pour former un film optique, en utilisant une composition de polycarbonate satisfaisant des conditions particulières en tant que régulateur de différence de phase tout en utilisant du méthacrylate de polyméthyle ne comprenant pas de monomère ayant une structure cyclique sur une chaîne principale de polymère.
PCT/KR2017/008566 2016-08-09 2017-08-08 Composition de résine pour matériau optique et film optique la comprenant Ceased WO2018030759A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP17839777.4A EP3333224B1 (fr) 2016-08-09 2017-08-08 Composition de résine pour matériau optique et film optique la comprenant
JP2018513453A JP6587165B2 (ja) 2016-08-09 2017-08-08 光学材料用樹脂組成物およびこれを含む光学フィルム
CN201780003543.0A CN108137897B (zh) 2016-08-09 2017-08-08 光学材料用树脂组合物和包含其的光学膜
US15/765,298 US10633530B2 (en) 2016-08-09 2017-08-08 Resin composition for optical material and optical film comprising the same

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR10-2016-0101417 2016-08-09
KR20160101417 2016-08-09
KR10-2017-0096362 2017-07-28
KR1020170096362A KR20180018334A (ko) 2016-08-09 2017-07-28 광학 재료용 수지 조성물 및 이를 포함하는 광학 필름

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Publication Number Publication Date
WO2018030759A1 true WO2018030759A1 (fr) 2018-02-15

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112812347A (zh) * 2021-02-23 2021-05-18 深圳市新纶科技股份有限公司 一种光学薄膜材料及其制备方法、偏光片

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1153981A2 (fr) * 2000-05-10 2001-11-14 Bayer Corporation Mélange compatible de polycarbonate avec de (co)polymère vinylique
US20100292368A1 (en) * 2008-01-30 2010-11-18 Takashi Takebe Acrylic-resin-containing film, polarizing plate and liquid crystal display device using the same
JP2010274505A (ja) * 2009-05-28 2010-12-09 Sumitomo Chemical Co Ltd 多層延伸フィルム
KR20150039089A (ko) * 2013-09-30 2015-04-09 주식회사 엘지화학 광학 필름용 수지 조성물, 이를 이용하여 형성된 광학 필름, 이를 포함하는 편광판 및 화상 표시 장치
WO2015159552A1 (fr) * 2014-04-18 2015-10-22 株式会社クラレ Composition de résine méthacrylique, corps moulé, film et plaque polarisante

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1153981A2 (fr) * 2000-05-10 2001-11-14 Bayer Corporation Mélange compatible de polycarbonate avec de (co)polymère vinylique
US20100292368A1 (en) * 2008-01-30 2010-11-18 Takashi Takebe Acrylic-resin-containing film, polarizing plate and liquid crystal display device using the same
JP2010274505A (ja) * 2009-05-28 2010-12-09 Sumitomo Chemical Co Ltd 多層延伸フィルム
KR20150039089A (ko) * 2013-09-30 2015-04-09 주식회사 엘지화학 광학 필름용 수지 조성물, 이를 이용하여 형성된 광학 필름, 이를 포함하는 편광판 및 화상 표시 장치
WO2015159552A1 (fr) * 2014-04-18 2015-10-22 株式会社クラレ Composition de résine méthacrylique, corps moulé, film et plaque polarisante

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112812347A (zh) * 2021-02-23 2021-05-18 深圳市新纶科技股份有限公司 一种光学薄膜材料及其制备方法、偏光片

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