WO2007141893A1 - 難燃性及び光拡散性を有するポリカーボネート樹脂組成物及びそれからなる光拡散板 - Google Patents
難燃性及び光拡散性を有するポリカーボネート樹脂組成物及びそれからなる光拡散板 Download PDFInfo
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- WO2007141893A1 WO2007141893A1 PCT/JP2006/322957 JP2006322957W WO2007141893A1 WO 2007141893 A1 WO2007141893 A1 WO 2007141893A1 JP 2006322957 W JP2006322957 W JP 2006322957W WO 2007141893 A1 WO2007141893 A1 WO 2007141893A1
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/02—Diffusing elements; Afocal elements
- G02B5/0273—Diffusing elements; Afocal elements characterized by the use
- G02B5/0278—Diffusing elements; Afocal elements characterized by the use used in transmission
-
- 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
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/10—Optical coatings produced by application to, or surface treatment of, optical elements
- G02B1/14—Protective coatings, e.g. hard coatings
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/02—Diffusing elements; Afocal elements
- G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
- G02B5/0236—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place within the volume of the element
- G02B5/0242—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place within the volume of the element by means of dispersed particles
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/04—Polysiloxanes
- C08G77/14—Polysiloxanes containing silicon bound to oxygen-containing groups
- C08G77/16—Polysiloxanes containing silicon bound to oxygen-containing groups to hydroxyl groups
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/04—Polysiloxanes
- C08G77/14—Polysiloxanes containing silicon bound to oxygen-containing groups
- C08G77/18—Polysiloxanes containing silicon bound to oxygen-containing groups to alkoxy or aryloxy groups
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/70—Siloxanes defined by use of the MDTQ nomenclature
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/80—Siloxanes having aromatic substituents, e.g. phenyl side groups
-
- 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
- C08K5/36—Sulfur-, selenium-, or tellurium-containing compounds
- C08K5/41—Compounds containing sulfur bound to oxygen
- C08K5/42—Sulfonic acids; Derivatives thereof
-
- 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
- C08K5/54—Silicon-containing compounds
- C08K5/541—Silicon-containing compounds containing oxygen
- C08K5/5415—Silicon-containing compounds containing oxygen containing at least one Si—O bond
- C08K5/5419—Silicon-containing compounds containing oxygen containing at least one Si—O bond containing at least one Si—C bond
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- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
- C08L67/04—Polyesters derived from hydroxycarboxylic acids, e.g. lactones
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
- C08L83/04—Polysiloxanes
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K2323/00—Functional layers of liquid crystal optical display excluding electroactive liquid crystal layer characterised by chemical composition
- C09K2323/03—Viewing layer characterised by chemical composition
- C09K2323/033—Silicon compound, e.g. glass or organosilicon
Definitions
- a light diffusing polycarbonate resin containing a light diffusing agent and optionally a poly-strength prolatathone is blended with a silicone compound having a specific structure and, if desired, an organic metal salt compound.
- the present invention relates to a light diffusing polycarbonate resin composition which does not impair light diffusibility and brightness, and does not contain chlorine or odor, and which has been imparted with flame retardancy, and a light diffusing plate comprising the same.
- the present invention provides a light diffusing polycarbonate resin composition excellent in flame retardancy and a light diffusing plate formed therefrom.
- Polycarbonate resins are widely used in fields such as electric, electronic, and automobiles because they are transparent and have optical transparency.
- applications such as LCD TV direct and edge light units, lighting fixture covers, and various device switches, the use of polycarbonate resin allows the light source to be seen through because it transmits light.
- a material that does not recognize the shape of the light source (lamp) behind the molded product and that imparts light diffusibility to such an extent that the luminance of the light source is not impaired as much as possible.
- the conventional technology adopts a method of blending polymer or inorganic particles having a different refractive index as a dispersed phase into polycarbonate resin that forms a continuous phase.
- Patent Document 1 a method has been proposed in which a desired light diffusivity is produced by adjusting the range of the difference in refractive index between the dispersed phase and the continuous phase and the size of the particles in the dispersed phase.
- Patent Document 1 Japanese Patent Laid-Open No. 60-184559
- Patent Document 2 JP-A-3-143950
- Patent Document 3 JP-A-7_234304
- Polycarbonate resin is a highly flame-retardant plastic material with self-extinguishing properties.
- it is even more High flame retardancy is required.
- the present invention provides a light diffusing polycarbonate resin composition that does not impair light diffusibility and brightness, and does not contain chlorine or bromine and has excellent flame retardancy, and a light expansion formed by molding the same.
- the purpose is to provide a scattering plate.
- a light diffusing agent a silicone compound having a specific structure, and, if desired, a polystrength prolatatone and / or an organometallic salt with respect to a polycarbonate resin.
- a polycarbonate resin composition that can provide a light diffusing plate with excellent optical performance, with excellent flame retardancy and light diffusivity without compromising light diffusivity and brightness. I found a thing and reached the present invention
- the first aspect of the present invention is that polycarbonate resin (A) 100 parts by weight, light diffusing agent (B) 0.:! To 8 parts by weight and silicone compound (C) 0.01-1-5.
- Polysilicone resin composition composed of parts by weight, wherein the silicone compound (C) has a branched main chain and contains an organic functional group, and the organic functional group essentially contains an aromatic group.
- a polycarbonate resin composition having flame retardancy and light diffusibility which may optionally contain a hydrocarbon group other than an aromatic group as an organic functional group other than a terminal group, and a molded product thereof.
- the light diffusing plate is provided.
- the polycarbonate resin composition of the first aspect further contains a poly force prolatathone (D), and the compounding power of the polycaprolatatone (D).
- Resin (A) 0.1 to 1 part by weight of 100 parts: 1. It provides a polycarbonate resin composition in an amount of 2 parts by weight, and a light diffusing plate formed therefrom.
- the polycarbonate resin composition of the first aspect further contains an organometallic compound (E), and the blending amount of the organometallic compound (E) is as described above.
- Polycarbonate resin (A) A polycarbonate resin composition having 0.001 to 0.88 parts by weight per 100 parts by weight, and a light diffusing plate molded therefrom.
- the polycarbonate resin composition of the first aspect further contains a polyforce prolatatone (D) and an organometallic compound (E), and the polycaprolataton (D ) Per 100 parts by weight of the polycarbonate resin (A):! ⁇ 1.2 parts by weight, and the amount of the organometallic compound (E) per 100 parts by weight of the polycarbonate resin (A)
- the present invention provides a polycarbonate resin composition in an amount of 0.001-0.8 parts by weight, and a light diffusing plate molded therefrom.
- the light diffusing plate obtained by molding the light diffusing polycarbonate resin composition having excellent flame retardancy of the present invention has excellent difficulty without impairing the light diffusing property and luminance of the light diffusing polycarbonate resin. It is flammable and is suitable for use in general applications that require high optical performance.
- the polycarbonate resin (A) used in the present invention is a phosgene method in which various dihydroxy dianol compounds and phosgene are reacted, or a dihydroxy diaryl compound and a carbonate such as diphenyl carbonate.
- a typical example is a polycarbonate resin produced from 2,2_bis (4-hydroxyphenyl) propan (bisphenol A).
- dihydroxydiaryl compound in addition to bisphenol A, bis (4-hydroxyphenol) methane, 1, 1_bis (4-hydroxyphenol) ethane, 2, 2_bis ( 4—hi Droxyphenyl) butane, 2,2bis (4hydroxyphenyl) octane, bis (4hydroxyphenyl) phenylmethane, 2,2bis (4hydroxyphenyl-3-methylphenyl) propane, 1,1_bis (4-hydroxy-one) 3_tertiarybutylphenol) propane, 2,2-bis (4-hydroxy-1-3-bromobromo) propane, 2,2-bis (4-hydroxy_3,5-dibromophenol) propane, 2, Bis (hydroxyaryl) alkanes such as 2_bis (4-hydroxy_3,5-diclonal phenol) propane, 1,1_bis (4-hydroxyphenol) cyclopentane, 1, 1 _Bis (hydroxyaryl) cycloalkanes such as bis (4-hydroxyphenyl) cyclohexane,
- the above-mentioned dihydroxyaryl compound and a trivalent or higher valent phenol compound as shown below may be mixed and used.
- the trivalent or higher phenols include phlorognoresin, 4, 6-dimethyl-1,2,4,6 tri (4 hydroxyphenyl) heptene, 2,4,6 dimethyl-2,4,6 tri (4 hydroxyphenyl) ) 1 heptane, 1, 3, 5 tri (4 hydroxyphenyl) monobenzol, 1, 1, 1-tri (4-hydroxyphenyl) monoethane and 2, 2-bis ([4, 4-(4 , A'-dihydroxydiphenyl) monocyclohexyl] -propane.
- the viscosity average molecular weight of the polycarbonate resin is usually 10,000 to 100,000, preferably 15,000 to 35000, and more preferably ⁇ 17,000 to 28000.
- a molecular weight regulator, a catalyst and the like can be used as necessary.
- the light diffusing agent ( ⁇ ) used in the present invention is special in chemical composition such as polymer and inorganic.
- the light diffusing agent (B) is added to the polycarbonate resin (A) of the present invention and dispersed by a known method such as melt mixing using an extruder, it is not compatible with the matrix phase, or It is necessary to exist as particles that are not compatible with each other.
- the light diffusing agent (B) include calcium carbonate, silica, silicone, zinc sulfide, zinc oxide, titanium oxide, titanium phosphate, magnesium titanate, magnesium titanate, My power, glass filler, sulfuric acid.
- Inorganic diffusing agents such as barium, clay, talc, silicone rubber elastic, polymethylsilsesoxane, acrylic, styrene, polyester, polyolefin, urethane, nylon, metatalylate styrene, fluorine, Examples thereof include organic diffusing agents such as norbornene.
- the particle size of the light diffusing agent (B) is not particularly limited as long as the desired light diffusing property can be obtained by adding the diffusing agent, but the average particle size is 1 to 1. Those with a thickness of about 30 ⁇ m can be suitably used. If it is less than 1 ⁇ m, it only transmits light, and it may become difficult to obtain a light diffusion effect. On the other hand, if it exceeds 30 x m, sufficient light diffusion effect cannot be obtained and visibility may be inferior.
- the particle size distribution is not particularly limited, but is about 0.1 to 100 x m, and more preferably 1.5 to 25 x m.
- two or more types of light diffusing agents with different average particle sizes, particle size distributions, and types may be used in combination. Particle size distributions may not be uniform. Those having two or more particle size distributions may be used alone or in combination. It can also be used.
- the blending amount of the light diffusing agent (B) is 0.:! To 8 parts by weight per 100 parts by weight of the polycarbonate resin (A) of the present invention. If the blending amount is less than 0.1 part by weight, it is difficult to obtain a sufficient light diffusion effect. On the other hand, if the amount exceeds 8 parts by weight, the light transmission property is impaired, and sufficient light diffusion performance cannot be obtained. More preferably, it is in the range of 0.2 to 6 parts by weight.
- the main chain has a branched structure and contains an aromatic group as an organic functional group, or It contains aromatic groups and hydrocarbon groups (excluding aromatic groups).
- R 2 and R 3 represent organic functional groups bonded to the main chain, and X represents a terminal group.
- T unit (RSiO (wherein R represents an organic functional group)
- the silicone compound (C) has an aromatic group of 20 mol% or more among organic functional groups bonded to the main chain or branched side chain as a terminal group or a functional group other than the terminal group. Is preferred. If it is below this range, condensation of aromatic groups occurs at the time of combustion, which may reduce the flame retardant effect. More preferably, it is 40 mol% or more and 95 mol% or less.
- This organic functional group essentially contains an aromatic group.
- aromatic group phenol, biphenyl, naphthalene, or a derivative thereof is preferable, but a phenyl group is more preferable from the viewpoint of safety of the silicone compound (C 2).
- a hydrocarbon group other than an aromatic group may be optionally contained.
- an alkyl group, particularly a methyl group is preferable.
- the terminal group one selected from methyl group, phenyl group, hydroxyl group or alkoxy group, or four types from these two types. Les, which is preferred to be a mixture. Since these terminal groups have low reactivity, the silicone compound (C) is not easily gelled (crosslinked) when the polycarbonate resin (A) and the silicone compound (C) are kneaded.
- the product (C) can be uniformly dispersed in the polycarbonate resin (A), and as a result, it can have a better flame retardant effect and further improve the moldability.
- Particularly preferred is a methyl group.
- the average molecular weight (weight average) of the silicone compound (C) is preferably 5000 or more and 500,000 or less. If it is less than 5,000, the heat resistance of the silicone compound itself is reduced and the flame retardant effect is reduced. Furthermore, the melt viscosity is too low, and the silicone compound soaks into the surface of the molded article of the polycarbonate resin (A) during molding. If the viscosity exceeds 500,000, the melt viscosity increases and the uniform dispersion in the polycarbonate resin (A) is impaired, and the flame retardancy effect and moldability may be reduced. is there. More preferably, it is 10,000 to 270,000.
- the compounding amount of the silicone compound (C) is 0.01 to 1.5 parts by weight per 100 parts by weight of the polycarbonate resin (A) of the present invention. If the blending amount is out of the range, it is not preferable in any case because the flame retardant effect is insufficient.
- the range is more preferably 0.01 to 0.8 parts by weight, and still more preferably 0.05 to 0.5 parts by weight.
- the poly-force prolatatatone (D) used in the present invention is a polymer produced by ring-opening polymerization of ⁇ -force prolatatatone in the presence of a catalyst, and in particular, a homopolymer of 2-oxepanone is preferably used. It is done.
- the general polymer is easily available as a commercial product, and tone polymer made by Dow Chemical Co., Ltd.
- the viscosity average molecular weight of the poly-force prolatathon (D) is preferably 10,000 to 10000, more preferably 40000 to 90000.
- poly-strength prolatatatone (D) includes ⁇ -strength prolatatatone modified by coexisting with 1,4-butanediol or the like when ring-opening polymerization of ⁇ -strength prolatatone, or ether or ester group at the molecular end. Also included are modified poly force prolatatanes substituted with
- the compounding amount of the poly-strength prolatatone (D) is 0.1 to 1.2 parts by weight per 100 parts by weight of the polycarbonate resin ( ⁇ ) of the present invention. If the blending amount is less than 0.1 part by weight, the effect of improving the luminance is not recognized. On the other hand, when the amount exceeds 1.2 parts by weight, sufficient flame retardancy cannot be obtained, which is preferable. More preferably, it is in the range of 0.2 to 0.9 parts by weight.
- the organometallic salt compound ( ⁇ ) used in the present invention includes a metal salt of an aromatic sulfonic acid and a metal salt of a perfluoroalkane sulfonic acid, and preferably 4_methyl _ ⁇ _ Potassium salt of (4-methylphenyl) sulfonyl monobenzenesulfonamide, diphenylsulfone-1-potassium 3-sulfonate, diphenylsulfone-3-3'-disulfonic acid Lithium, sodium paratoluenesulfonate, potassium perfluorobutanesulfonate, etc. can be used.
- the compounding amount of the organometallic salt compound (E) is 0.001 to 0.8 part by weight per 100 parts by weight of the polycarbonate resin (A).
- a blending amount of less than 0.001 part by weight is not preferable because an effect of improving flame retardancy is not observed.
- the amount exceeds 2 parts by weight the haze increases and sufficient luminance cannot be obtained.
- a more preferred blending amount is in the range of 0.005-0.4 parts by weight.
- phenol-based or phosphorus-based heat stabilizer [2,6-di-tert-butyl-4-methylphenol, 2- (1-methylcyclohexyl) 4,6 dimethylphenol, 4, 4, -tert-bis (6-t-butyl) 3-methylphenol), 2,2-methylenebis (4-ethyl 6-t-methylphenol), n-octadecyl 3- (3,5-di-butynole 4-hydroxyphenyl) propionate, tris (2,4 Di-t-butylphenyl) phosphite, 4, ⁇ '-biphenyl didiphosphinic acid tetrakis (2, 4-G-tert-butinolephenol) etc.], lubricant olefin wax, n-butyl stearate, synthetic beeswax, natural beeswax Glycerin monoester, montanic acid wax, polyethylene wax, pentaerythritol t
- a polycarbonate resin (A), a light diffusing agent (B), a silicone compound (C) having a specific structure, and optionally a poly-strength prolatatone (D) are weighed in an arbitrary amount, and tumbler, riboblender After batch mixing with a high-speed mixer, etc., the mixture is melt-kneaded using a normal single-screw or twin-screw extruder and pelletized, or some or all of each component is weighed separately, and multiple And a method of melting and mixing them into the extruder.
- the raw materials used are as follows.
- PC (Viscosity average molecular weight: 28000, hereinafter abbreviated as “PC”)
- LD-1 (Acrylic diffusing agent, hereinafter abbreviated as “LD-1”)
- LD-2 Metal silicone-based diffusing agent
- the silicone compound was produced according to a general production method. That is, an appropriate amount of diorganodichlorosilane, monoorganotrichlorosilane and tetrachlorosilane, or a partial hydrolysis-condensation product thereof is dissolved in an organic solvent, hydrolyzed by adding water, and partially. A condensed silicone compound was formed, and further, triorganochlorosilane was added and reacted to terminate the polymerization, and then the solvent was separated by distillation or the like.
- the structural properties of silicone compounds synthesized by the above method are as follows: • Ratio of DZTZQ units in the main chain structure: 40Z60 / 0 (molar ratio)
- Terminal group methyl group only
- the phenyl group is first included in the T unit in the silicone containing the T unit, and is included in the force unit when remaining.
- a phenyl group is attached to the D unit, the one with one takes precedence, and when a phenyl group remains, two are attached.
- the organic functional groups are all methyl groups except for the phenyl group.
- metal salt Sodium noratosulfonate
- Luminance is the ratio of the luminous intensity in a certain direction per unit surface area in a plane perpendicular to the direction, and generally represents the brightness of the light emitting surface [unit: (cd / m 2 )].
- a lamp brightness measured value of 4350 cdZm 2 or higher was accepted ( ⁇ ), and a lamp brightness of less than 4350 cd / m 2 was rejected (X).
- Figure 1 shows an overview of the measurement method.
- Flammability was evaluated according to the following UL94V vertical combustion test method. Test specimens for flame retardancy evaluation of 125 x 13 x 3mm thickness are left for 48 hours in a temperature-controlled room at 23 ° C and 50% humidity. UL94 test (equipment parts) For plastic The flame retardancy was evaluated in accordance with the flammability test of the pack material. UL94V is a method for evaluating the flame resistance after the flame time of the burner after 10 seconds of indirect flame on a test piece of a predetermined size held vertically. Divided. If it does not conform to the following classes, it is evaluated as nonconforming.
- the afterflame time shown in Table 1 is the length of time that the specimen keeps flaming combustion after the ignition source is moved away, and the ignition of cotton by drip is about from the lower end of the specimen. It is determined by whether or not the labeling cotton under 300mm is ignited by the drip from the specimen. As the evaluation criteria, V—2 or higher was accepted ( ⁇ ), and the class shown in Table 1 was judged as non-conforming (NR).
- PC Polycarbonate resin
- LD-1 or LD-2 light diffusing agent
- silicone compound Si flame retardant
- PCL poly-strength prolatatone
- organometallic organometallic at the mixing ratio shown in Tables 2-5 Salt
- the pellets were measured using an injection molding machine (Nihon Steel Works 100E2P) at a cylinder setting temperature of 300 ° C, 90 mm long, 50 mm wide, 2 mm thick flat plate test pieces for brightness measurement and 125 X 13 X Test specimens for evaluation of flame retardance with a thickness of 3 mm were prepared, and the evaluation results are shown in Tables 2-5.
- Comparative Example 1 was a case where the blending amount of the Si flame retardant was less than the prescribed amount, and the inter-lamp brightness passed, but the flame retardancy was inferior.
- Comparative Examples 3 and 4 were cases where the blending amount of the light diffusing agent was less than or greater than the specified amount, respectively, and both passed the flame retardancy, but the inter-lamp brightness was inferior.
- Comparative Example 5 was a case where the blending amount of the poly-strength prolatatatone was larger than the prescribed amount, and the inter-lamp luminance passed, but the flame retardancy was poor.
- Comparative Examples 6 and 7 were cases where the blending amount of the metal salt was larger than the specified amount, and although the flame retardancy passed, the inter-lamp brightness was inferior.
- FIG. 1 is a diagram showing a method for measuring inter-lamp luminance in the present invention. Explanation of symbols
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Abstract
Description
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Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/303,548 US20090258170A1 (en) | 2006-06-07 | 2006-11-17 | Flame retardant and light diffusing polycarbonate resin composition and light diffusing sheet thereof |
EP06832836A EP2031020B1 (en) | 2006-06-07 | 2006-11-17 | Flame-retardant and light-diffusing polycarbonate resin composition and light-diffusing plate made of the same |
CA002654532A CA2654532A1 (en) | 2006-06-07 | 2006-11-17 | Flame retardant and light diffusing polycarbonate resin composition and light diffusing sheet thereof |
ES06832836T ES2377004T3 (es) | 2006-06-07 | 2006-11-17 | Composición de resina de policarbonato difusora de la luz y retardadora de la llama y placa difusora de la luz fabricada a partir de la misma |
CN2006800548698A CN101460568B (zh) | 2006-06-07 | 2006-11-17 | 阻燃和光漫射聚碳酸酯树脂组合物及其光漫射板 |
BRPI0621677-3A BRPI0621677A2 (pt) | 2006-06-07 | 2006-11-17 | composição de resina de policarbonato retardante de chama e difusora de luz e folha difusora de luz |
NO20084840A NO20084840L (no) | 2006-06-07 | 2008-11-18 | Flammehemmet og lysdiffunderende polycarbonat polymerblanding og lysdiffuserende plate fremstilt derav |
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006158021 | 2006-06-07 | ||
JP2006-158021 | 2006-06-07 | ||
JP2006-164328 | 2006-06-14 | ||
JP2006164328 | 2006-06-14 | ||
JP2006216395A JP5207604B2 (ja) | 2006-06-07 | 2006-08-09 | 難燃性に優れた光拡散性ポリカーボネート樹脂組成物およびそれからなる光拡散板 |
JP2006-216395 | 2006-08-09 |
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EP (1) | EP2031020B1 (ja) |
JP (1) | JP5207604B2 (ja) |
KR (1) | KR20090016470A (ja) |
CN (1) | CN101460568B (ja) |
BR (1) | BRPI0621677A2 (ja) |
CA (1) | CA2654532A1 (ja) |
ES (1) | ES2377004T3 (ja) |
NO (1) | NO20084840L (ja) |
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JP2010138212A (ja) * | 2008-12-09 | 2010-06-24 | Sumitomo Dow Ltd | 光拡散性ポリカーボネート樹脂組成物およびそれからなる光拡散板 |
JP5714576B2 (ja) | 2010-05-27 | 2015-05-07 | 出光興産株式会社 | ポリカーボネート樹脂組成物及びポリカーボネート樹脂成形体 |
JP5637529B2 (ja) * | 2010-10-14 | 2014-12-10 | 住化スタイロンポリカーボネート株式会社 | ポリカーボネート樹脂製照明カバー |
KR101411009B1 (ko) * | 2010-12-30 | 2014-06-23 | 제일모직주식회사 | 폴리카보네이트 수지 조성물 및 이를 포함하는 성형품 |
JP5731239B2 (ja) * | 2011-03-07 | 2015-06-10 | 三菱エンジニアリングプラスチックス株式会社 | ポリカーボネート樹脂組成物及びそれからなる成形品 |
JP5225441B2 (ja) * | 2011-08-08 | 2013-07-03 | 日東電工株式会社 | 光拡散性不燃複合部材 |
JP5885496B2 (ja) * | 2011-12-22 | 2016-03-15 | 住化スタイロンポリカーボネート株式会社 | ポリカーボネート樹脂製照明カバー |
JP5843603B2 (ja) * | 2011-12-22 | 2016-01-13 | 住化スタイロンポリカーボネート株式会社 | ポリカーボネート樹脂製照明カバー |
EP2837658B1 (en) * | 2012-04-11 | 2018-11-14 | Nitto Denko Corporation | Flame-retardant silicone resin composition and flame-retardant silicone resin sheet |
CN106661320A (zh) * | 2014-09-10 | 2017-05-10 | 沙特基础工业全球技术有限公司 | 具有高刚度的光扩散塑料 |
EP3728449A4 (en) * | 2017-12-20 | 2021-08-18 | 3M Innovative Properties Company | POLYMER COMPOSITE MATERIAL WITH PARTICLES WITH DIFFERENT REFRACTIVE INDEX |
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- 2006-11-17 BR BRPI0621677-3A patent/BRPI0621677A2/pt not_active IP Right Cessation
- 2006-11-17 CA CA002654532A patent/CA2654532A1/en not_active Abandoned
- 2006-11-17 EP EP06832836A patent/EP2031020B1/en not_active Not-in-force
- 2006-11-17 ES ES06832836T patent/ES2377004T3/es active Active
- 2006-11-17 US US12/303,548 patent/US20090258170A1/en not_active Abandoned
- 2006-11-17 WO PCT/JP2006/322957 patent/WO2007141893A1/ja active Application Filing
- 2006-11-17 CN CN2006800548698A patent/CN101460568B/zh not_active Expired - Fee Related
- 2006-11-17 KR KR1020087029872A patent/KR20090016470A/ko not_active Application Discontinuation
- 2006-11-27 TW TW095143728A patent/TW200745257A/zh not_active IP Right Cessation
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Also Published As
Publication number | Publication date |
---|---|
EP2031020A1 (en) | 2009-03-04 |
NO20084840L (no) | 2008-12-29 |
JP5207604B2 (ja) | 2013-06-12 |
TWI346677B (ja) | 2011-08-11 |
US20090258170A1 (en) | 2009-10-15 |
EP2031020B1 (en) | 2012-01-04 |
CN101460568B (zh) | 2012-03-14 |
EP2031020A4 (en) | 2009-11-11 |
ES2377004T3 (es) | 2012-03-21 |
CA2654532A1 (en) | 2007-12-13 |
BRPI0621677A2 (pt) | 2011-12-20 |
JP2008019405A (ja) | 2008-01-31 |
KR20090016470A (ko) | 2009-02-13 |
TW200745257A (en) | 2007-12-16 |
CN101460568A (zh) | 2009-06-17 |
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