WO2006062171A1 - スチレン系樹脂組成物およびそのシート - Google Patents
スチレン系樹脂組成物およびそのシート Download PDFInfo
- Publication number
- WO2006062171A1 WO2006062171A1 PCT/JP2005/022583 JP2005022583W WO2006062171A1 WO 2006062171 A1 WO2006062171 A1 WO 2006062171A1 JP 2005022583 W JP2005022583 W JP 2005022583W WO 2006062171 A1 WO2006062171 A1 WO 2006062171A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- styrene
- resin composition
- mass
- compound
- parts
- 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
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/34—Heterocyclic compounds having nitrogen in the ring
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L25/00—Compositions of, homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Compositions of derivatives of such polymers
- C08L25/02—Homopolymers or copolymers of hydrocarbons
- C08L25/04—Homopolymers or copolymers of styrene
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/17—Amines; Quaternary ammonium compounds
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/04—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of organic materials, e.g. plastics
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/34—Heterocyclic compounds having nitrogen in the ring
- C08K5/3412—Heterocyclic compounds having nitrogen in the ring having one nitrogen atom in the ring
- C08K5/3432—Six-membered rings
- C08K5/3435—Piperidines
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/34—Heterocyclic compounds having nitrogen in the ring
- C08K5/3467—Heterocyclic compounds having nitrogen in the ring having more than two nitrogen atoms in the ring
- C08K5/3472—Five-membered rings
- C08K5/3475—Five-membered rings condensed with carbocyclic rings
-
- 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
Definitions
- the present invention relates to a styrene-based resin composition and a sheet thereof. More specifically, the present invention relates to a sheet or a diffusion plate excellent in light diffusibility, dimensional stability, and light resistance used for a transmission type screen of a projection television or the like and a liquid crystal TV.
- a screen lens such as a transmission screen is widely used to administer an image of a projection television and realize a target display.
- This screen lens is generally configured by combining lens moldings such as a lenticule lens and a Fresnel lens so that a bright viewing angle is enlarged when an observer observes.
- the light projecting material used in these screen lenses has been widely used methacrylic resin, which has excellent transparency, light resistance, scratch resistance, etc., and excellent molding processability. It has been performed by molding, extrusion molding, cast molding, injection molding and the like.
- Patent Document 1 describes a mixture of an aromatic vinyl monomer, a (meth) acrylic acid ester monomer, and a polyfunctional unsaturated monomer.
- a method for obtaining a Fresnel lens by dissolving and polymerizing a styrene-gen copolymer is disclosed.
- this technique is insufficient to obtain a molded article for a screen lens having an excellent light diffusibility.
- the methacrylic resin used as the base material for the diffusion plate of liquid crystal TVs has a high water absorption rate, resulting in a dimensional change of the diffusion plate molding, warping of the diffusion plate, and loss of optical properties. Had a problem. Also, if the image or lamp light is projected for a long time, the screen There was a problem that discoloration occurred due to deterioration of the resin used in the diffusion plate and the image was discolored.
- Patent Document 1 Japanese Patent Laid-Open No. 5-341101
- An object of the present invention is obtained by molding a styrene-based resin composition capable of realizing a sheet having excellent dimensional stability, light resistance, and light diffusibility, and the styrene-based resin composition.
- the present invention provides a sheet used as a molded body for a screen lens or a diffusion plate.
- the present inventors have determined that a specific styrene-based resin, a specific unmelted compound, and a specific light-proofing agent mainly composed of a styrene-based monomer unit. And a sheet made of the styrene-based resin composition that can realize a sheet having excellent dimensional stability, light resistance, and light diffusivity, and a sheet made of the styrene-based resin composition. It is.
- the present invention has the following gist.
- Styrene monomer unit 90- LOO mass% and vinyl compound monomer unit copolymerizable with styrene monomer unit 0-10 mass%
- weight average molecular weight (Mw) is 30 Refraction of 100 parts by mass of styrene resin having 0, 000 to 500,000, Z average molecular weight (Mz) and Z weight average molecular weight (Mw) of 1.95 to 2.50
- a styrene-based rosin composition comprising 0.1 to 2 parts by mass of a triazole-based compound.
- an unprecedented sheet having excellent light diffusibility and its styrene-based resin composition can be provided extremely advantageously in the industry.
- the sheet obtained from the styrene-based resin composition of the present invention is excellent in light diffusibility, dimensional stability, and light resistance, and is particularly suitable for optical applications such as Fresnel lenses, lenticular lenses, and diffusion plates. be able to.
- styrenic monomer used in the present invention examples include styrene, a-methylstyrene, p-methylstyrene, p-t-butylstyrene and the like, and preferably styrene.
- Examples of the vinyl compound monomer copolymerizable with the styrenic monomer unit in the present invention include, for example, methinoremethacrylate (hereinafter also referred to as MMA), ethenoremethacrylate, and methinoreacrylate.
- MMA methinoremethacrylate
- ethenoremethacrylate ethenoremethacrylate
- methinoreacrylate ethenoremethacrylate
- (Meth) acrylic acid ester monomers such as ethyl acrylate, n-butyl acrylate, 2-methylhexyl acrylate, 2-ethyl hexyl acrylate, octyl acrylate, acrylonitrile methacrylo-tolyl Unsaturation such as cyanide butyl monomer, methacrylic acid, acrylic acid, maleic anhydride, maleic acid, itaconic acid, itaconic anhydride, etc.
- maleimide monomers such as carboxylic acid monomer, maleimide, N-methylmaleimide, and N-phenolmaleimide. Use these alone or in combination of two or more.
- the styrene-based resin used in the styrene-based resin composition of the present invention includes a styrene-based monomer unit 90 to: LOO mass% and a vinyl compound unit copolymerizable with the styrene-based monomer unit. It contains 0 to 10% by mass of body units, preferably 100% by mass of styrene monomer units. If the styrene monomer unit is less than 90% by mass, the sheet may be deformed by moisture absorption.
- the styrene resin used in the styrene resin composition of the present invention has a weight average molecular weight.
- Z average molecular weight (Mz) is 300,000-500,000
- Z average molecular weight (Mz) Z weight average molecular weight (Mw) is 1.95-2.50. Outside this range, extrusion molding cannot be performed, or the sheet thickness set at the time of molding cannot be obtained.
- the unmelted compound used in the present invention is a compound that does not melt at the melting point of the styrene-based resin, and is a melting or softening point at 200 ° C or higher in an atmosphere of 101.3 kPa (l atm). A compound having a negative point is preferred.
- the melting point and soft point are less than 200 ° C, the compound melts and melts during melt kneading with a styrene-based resin, or during sheeting or injection molding of a styrene-based resin composition. There is a case where it cannot be held.
- the unmelted compound preferably has a refractive index difference of 0.05 to 0.15 with respect to the styrene-based resin, and an average particle diameter of 2 to LOm. More preferably, the refractive index difference is 0.06-0.14, and the average particle size is preferably 3-9 / ⁇ ⁇ . If the difference in refractive index is less than 0.05, the haze and diffusivity become small and the light diffusibility decreases, and if it exceeds 0.15, the total light transmittance decreases and the light diffusivity decreases. When the average particle size is less than 2 m, the haze and diffusivity are reduced and the light diffusivity is lowered.
- the average particle diameter of the unmelted compound is a value obtained by measurement using a Coulter 1 multisizer (Beckman, Coulter).
- the unmelted compound is 1 to 10 parts by mass with respect to 100 parts by mass of the styrene-based resin. Preferably, it is 2-9 mass parts. If the content power of the unmelted compound is less than part by mass, the haze and diffusivity are reduced and the light diffusibility is reduced.
- the unmelted compound used in the present invention is preferably, but not limited to, a cross-linked copolymer of methyl metatalylate or a cross-linked copolymer of styrene methyl metatalylate. It is preferable that a part of the unmelted compound in the sheet protrudes from the surface of the surface layer a and the back layer c in the sheet to form irregularities on the surface of the surface layer a and the back layer c. Such unevenness can improve the fluidity and releasability of the surface of the multilayer sheet.
- the styrenic resin composition used in the present invention contains 0.1 to 2 parts by mass of a hindered amine compound, preferably 0.15 to L 8 parts by mass with respect to 100 parts by mass of the styrene resin. Part. Moreover, 0.1-2 mass parts of benzotriazole type compounds are included with respect to 100 mass parts of styrene-based resin, Preferably, 0.15-: L8 mass parts are included.
- the amount of the hindered amine compound or the benzotriazole compound is less than 0.1 parts by mass, the light resistance is lowered, and when it exceeds 2 parts by mass, the yellowness of the obtained sheet or diffusion plate is not preferable.
- hindered amine compounds include decane-acid bis (2, 2, 6, 6-tetramethyl-1 (octyloxy) 4 piveryl) ester, 1,1 dimethylethyl hydroperoxide, bis (1, 2, 2, 6, 6 pentamethyl-4-piperidyl) [[3,5 bis (1,1-dimethylethyl) 4-hydroxyphenyl] methyl] butyl malonate, bis (1, 2, 2, 6, 6 pentamethyl-4 -Piperidyl) sebacate, methyl 1, 2, 2, 6, 6 pentamethyl-4 piperidyl sebacate, bis (2, 2, 6, 6-tetramethyl-4-piperidyl) sebacate and the like can be used alone or in combination.
- benzotriazole compounds include 2- (2H-benzotriazole 2-yl) -p cresol, 2- (2H benzotriazole 2-yl) 4-6 bis (1-methyl 1-phenyl) Phenols, 2- [5-Chloro (211) -benzotriazole-2-yl] -4 Methyl] -6- (tert butyl) phenol, 2, 4 Di-tert-butyl-6-(5 Benzotriazole 2-yl) phenol, 2- (2H benzotriazole 2-yl) 4, 6 G tert pentylphenol, etc. can be used alone or in combination.
- the method for producing the styrene-based resin of the present invention is not particularly limited, but a bulk polymerization method, a suspension polymerization method, a solution polymerization method, and an emulsion polymerization method can be suitably employed.
- a method of blending after polymerization a method of blending with styrene-based resin, and the like.
- a high-concentration mixture of unmelted compounds may be prepared by the above-described method, and the high-concentration mixture and styrene-based resin may be dry blended during sheet forming.
- sheet molding extrusion molding, injection molding, injection compression molding, compression molding, or the like is used.
- the styrenic resin composition used in the present invention may contain additives as necessary.
- a plasticizer, a lubricant, silicone oil, etc. can be blended in order to improve fluidity and releasability.
- an antistatic agent can be blended to prevent the molded product from dust.
- a heat stabilizer can be mix
- a coloring agent, a fluorescent brightening agent, and the like can be blended.
- the thickness of the sheet obtained by extruding the styrene-based resin composition of the present invention is preferably 1 to 7 mm, and particularly preferably 1.3 to 4 mm. If the thickness of the sheet is less than 1 mm and exceeds 7 mm, excellent light diffusibility may not be obtained! /.
- the thickness of the diffusion plate using the styrene-based resin composition of the present invention is preferably 1 to 7 mm, particularly 1.3 to 4 mm. If the thickness of the diffusion plate is less than 1 mm or more than 7 mm, excellent light diffusibility may not be obtained.
- the diffusing plate of the present invention is a member that is used in, for example, a liquid crystal display (LCD) or the like, and makes the entire screen uniform brightness by scattering and diffusing the light of the knock light.
- LCD liquid crystal display
- a bead-like crosslinked bead D-2 having an average particle diameter of 3 m and a refractive index of 1.535 was obtained in the same manner as in D-1, except that 1.0 part of tribasic calcium phosphate was used. Further, a bead-shaped crosslinked bead D-3 was obtained by the same production method as D-1, except that 0.1.5 part of tribasic calcium phosphate was used. Further, bead-like crosslinked beads D-4 were obtained by the same production method as D-1, except that 0.1 part of tricalcium phosphate was used. Further, a crosslinked bead D-5 was obtained by the same production method as D-2 except that 55 parts of styrene and 45 parts of methyl methacrylate were used. Table 2 shows the average particle diameter and refractive index.
- a bead-like PMMA crosslinked bead E-2 was obtained by the same production method as E-1, except that 1.5 parts of tribasic calcium phosphate was used.
- Ma Further, bead-like PMMA cross-linked beads E-3 were obtained by the same production method as E-1, except that 1.0 part of tricalcium phosphate was used.
- bead-like PMMA cross-linked beads E-4 were obtained by the same production method as E-1, except that 0.2 part of tricalcium phosphate was used.
- Table 2 shows the average particle diameter and refractive index.
- Material Styrenic resin composition 20 100 ⁇ 0. 3 0. 3 E— 1 2 Styrenic resin composition 21 ⁇ 100 0. 3 0. 3 E— 1 2 Styrenic resin composition 22 ⁇ ⁇ 100 0. 3 0 3 E- 1 2 Styrenic resin composition 23 1 ⁇
- Styrenic resin composition 24 1 ⁇ 100 0. 3 0. 3 E— 1 2
- Styrenic resin composition 25 1 ⁇ 100 0. 3 0. 3 E— 1 2
- the extruder used was a 65mm ⁇ full flight screw single screw extruder. Each cylinder temperature in sheeting was operated and molded at 230 ° C. The optical properties, light resistance, and hygroscopicity (water absorption warpage) data of the obtained extruded sheets are shown in Tables 6-9.
- the optical properties for using the sheet as a diffuser are as follows: haze of 99% or higher, total light transmittance of 60% or higher, and diffusivity of 20% or higher. It is.
- the light resistance color difference ⁇ is 1 or less
- the b value is 1 or less as a measure of yellowness
- the hygroscopicity is less than 1 mm of deformation, providing excellent light resistance and hygroscopic stability.
- the measuring method of each physical property value is as follows.
- Total light transmittance, haze Measured according to ASTM D-1003 using a HAZE meter (NDH-2000) manufactured by Nippon Denshoku Industries Co., Ltd.
- Diffusivity Using a variable angle photometer (GC5000L) manufactured by Nippon Denshoku Industries Co., Ltd., measure light transmittance I at a light receiving angle of 0 ° and light transmittance I at a light receiving angle of 70 °, and calculate using the following formula. did.
- L, a, b are hues before light resistance evaluation
- L ′, a ′, b ′ are hues after light resistance evaluation (after 400Hr irradiation).
- a color difference ⁇ of 1 or less was considered good.
- Hygroscopicity The obtained light diffusion sheet was cut to a size of 300 mm x 300 mm, and the amount of deformation after standing for 7 days in an atmosphere of 50 ° C and 80% humidity was measured on a scale. Hygroscopicity was good when the deformation was 1 mm or less.
- Yellowness L, a, b were measured using a color difference meter ( ⁇ -80) manufactured by Nippon Denshoku Co., Ltd., and b value was shown as a measure of yellowness. A b value of 1 or less was considered good.
- Resin composition of styrene-based copolymer Dissolve styrene-based copolymer in heavy chloroform to prepare a 2% solution, and use FT-NMR (FX-90Q type, manufactured by JEOL Ltd.) as measurement data. ) was used to measure C 13 and calculated from the peak areas of styrene and methyl methacrylate.
- Mw, MzZMw of styrene copolymer Measured by gel permeation chromatography (GPC) method.
- Calibration curve prepared using standard polystyrene (PS) (manufactured by Polymer Laboratories), and Mw, Mz, and Mw were expressed in terms of PS.
- the sheet made of the styrene-based resin composition according to the present invention can be suitably used for optical applications such as a fullnel lens, a single lenticular lens, and a diffusion plate. It should be noted that the entire contents of the specification, claims, drawings and abstract of Japanese Patent Application No. 2004-356549, filed on December 9, 2004, are hereby incorporated herein by reference. As it is incorporated.
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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)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Overhead Projectors And Projection Screens (AREA)
- Optical Elements Other Than Lenses (AREA)
- Laminated Bodies (AREA)
Abstract
Description
Claims
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006546757A JPWO2006062171A1 (ja) | 2004-12-09 | 2005-12-08 | スチレン系樹脂組成物およびそのシート |
| KR1020077012981A KR101234451B1 (ko) | 2004-12-09 | 2005-12-08 | 스티렌계 수지 조성물 및 그 시트 |
| CN2005800422799A CN101072827B (zh) | 2004-12-09 | 2005-12-08 | 苯乙烯类树脂组合物及其片材 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004356549 | 2004-12-09 | ||
| JP2004-356549 | 2004-12-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2006062171A1 true WO2006062171A1 (ja) | 2006-06-15 |
Family
ID=36577994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2005/022583 Ceased WO2006062171A1 (ja) | 2004-12-09 | 2005-12-08 | スチレン系樹脂組成物およびそのシート |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPWO2006062171A1 (ja) |
| KR (1) | KR101234451B1 (ja) |
| CN (1) | CN101072827B (ja) |
| TW (1) | TW200632021A (ja) |
| WO (1) | WO2006062171A1 (ja) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008010553A1 (en) * | 2006-07-19 | 2008-01-24 | Denki Kagaku Kogyo Kabushiki Kaisha | Styrene resin composition and molded body |
| WO2016096848A1 (en) * | 2014-12-19 | 2016-06-23 | Ineos Styrolution Group Gmbh | Light diffusing styrene copolymer compositions |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1160966A (ja) * | 1997-08-08 | 1999-03-05 | Kuraray Co Ltd | 光拡散性樹脂組成物 |
| JPH11293073A (ja) * | 1998-04-08 | 1999-10-26 | Denki Kagaku Kogyo Kk | 樹脂組成物及びその発泡成形体 |
| JP2004277667A (ja) * | 2003-03-19 | 2004-10-07 | Ps Japan Corp | 低温熱収縮性フィルム |
| JP2004315726A (ja) * | 2003-04-18 | 2004-11-11 | Ps Japan Corp | 柔軟性のあるビニル芳香族炭化水素系重合体組成物とその成形品 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11105207A (ja) * | 1997-10-02 | 1999-04-20 | Sumitomo Chem Co Ltd | 光拡散性積層樹脂板 |
| JP2001026619A (ja) * | 1999-07-14 | 2001-01-30 | Denki Kagaku Kogyo Kk | スチレン系樹脂、その製造法及び食品包装容器 |
| JP5051950B2 (ja) * | 2001-06-19 | 2012-10-17 | Psジャパン株式会社 | 光透過特性に優れた光透過用成型品 |
| JP2004009524A (ja) * | 2002-06-06 | 2004-01-15 | Sumitomo Chem Co Ltd | 樹脂積層板 |
| JPWO2004090587A1 (ja) * | 2003-04-02 | 2006-07-06 | 旭化成ケミカルズ株式会社 | 光拡散板 |
| JP4255735B2 (ja) * | 2003-04-16 | 2009-04-15 | 帝人化成株式会社 | 難燃性熱可塑性樹脂組成物 |
| JP2004090626A (ja) * | 2003-07-03 | 2004-03-25 | Sumitomo Chem Co Ltd | 光拡散性積層樹脂板 |
-
2005
- 2005-12-08 CN CN2005800422799A patent/CN101072827B/zh not_active Expired - Fee Related
- 2005-12-08 KR KR1020077012981A patent/KR101234451B1/ko not_active Expired - Fee Related
- 2005-12-08 WO PCT/JP2005/022583 patent/WO2006062171A1/ja not_active Ceased
- 2005-12-08 JP JP2006546757A patent/JPWO2006062171A1/ja active Pending
- 2005-12-09 TW TW094143662A patent/TW200632021A/zh unknown
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1160966A (ja) * | 1997-08-08 | 1999-03-05 | Kuraray Co Ltd | 光拡散性樹脂組成物 |
| JPH11293073A (ja) * | 1998-04-08 | 1999-10-26 | Denki Kagaku Kogyo Kk | 樹脂組成物及びその発泡成形体 |
| JP2004277667A (ja) * | 2003-03-19 | 2004-10-07 | Ps Japan Corp | 低温熱収縮性フィルム |
| JP2004315726A (ja) * | 2003-04-18 | 2004-11-11 | Ps Japan Corp | 柔軟性のあるビニル芳香族炭化水素系重合体組成物とその成形品 |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008010553A1 (en) * | 2006-07-19 | 2008-01-24 | Denki Kagaku Kogyo Kabushiki Kaisha | Styrene resin composition and molded body |
| JPWO2008010553A1 (ja) * | 2006-07-19 | 2009-12-17 | 電気化学工業株式会社 | スチレン系樹脂組成物および成形体 |
| CN101490169B (zh) * | 2006-07-19 | 2011-06-29 | 电气化学工业株式会社 | 苯乙烯系树脂组合物和成型体 |
| TWI458774B (zh) * | 2006-07-19 | 2014-11-01 | Denki Kagaku Kogyo Kk | Styrene-based resin composition and molded body |
| WO2016096848A1 (en) * | 2014-12-19 | 2016-06-23 | Ineos Styrolution Group Gmbh | Light diffusing styrene copolymer compositions |
| US10633528B2 (en) | 2014-12-19 | 2020-04-28 | Ineos Styrolution Group Gmbh | Light diffusing styrene copolymer compositions |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101072827A (zh) | 2007-11-14 |
| KR101234451B1 (ko) | 2013-02-18 |
| TW200632021A (en) | 2006-09-16 |
| KR20070085938A (ko) | 2007-08-27 |
| CN101072827B (zh) | 2010-07-28 |
| JPWO2006062171A1 (ja) | 2008-06-12 |
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