WO2006093271A1 - ポリマー粒子、これを含む樹脂組成物、成形体 - Google Patents
ポリマー粒子、これを含む樹脂組成物、成形体 Download PDFInfo
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- WO2006093271A1 WO2006093271A1 PCT/JP2006/304100 JP2006304100W WO2006093271A1 WO 2006093271 A1 WO2006093271 A1 WO 2006093271A1 JP 2006304100 W JP2006304100 W JP 2006304100W WO 2006093271 A1 WO2006093271 A1 WO 2006093271A1
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F20/00—Homopolymers and 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 a salt, anhydride, ester, amide, imide or nitrile thereof
- C08F20/02—Monocarboxylic acids having less than ten carbon atoms, Derivatives thereof
- C08F20/10—Esters
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2/00—Processes of polymerisation
- C08F2/44—Polymerisation in the presence of compounding ingredients, e.g. plasticisers, dyestuffs, fillers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—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 a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/12—Esters of monohydric alcohols or phenols
- C08F220/16—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms
- C08F220/18—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
- C08F220/1804—C4-(meth)acrylate, e.g. butyl (meth)acrylate, isobutyl (meth)acrylate or tert-butyl (meth)acrylate
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F30/00—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and containing phosphorus, selenium, tellurium or a metal
- C08F30/02—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and containing phosphorus, selenium, tellurium or a metal containing phosphorus
-
- 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
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/12—Powdering or granulating
-
- 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
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/12—Powdering or granulating
- C08J3/122—Pulverisation by spraying
-
- 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
-
- 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
- C08K5/49—Phosphorus-containing compounds
- C08K5/51—Phosphorus bound to oxygen
- C08K5/52—Phosphorus bound to oxygen only
- C08K5/521—Esters of phosphoric acids, e.g. of H3PO4
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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
- C08L101/00—Compositions of unspecified macromolecular compounds
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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
- C08L69/00—Compositions of polycarbonates; Compositions of derivatives of polycarbonates
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F212/00—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
- C08F212/02—Monomers containing only one unsaturated aliphatic radical
- C08F212/04—Monomers containing only one unsaturated aliphatic radical containing one ring
- C08F212/06—Hydrocarbons
- C08F212/08—Styrene
-
- 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
- C08J2333/00—Characterised by the use 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; Derivatives of such polymers
- C08J2333/04—Characterised by the use 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; Derivatives of such polymers esters
- C08J2333/06—Characterised by the use 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; Derivatives of such polymers esters of esters containing only carbon, hydrogen, and oxygen, the oxygen atom being present only as part of the carboxyl radical
- C08J2333/10—Homopolymers or copolymers of methacrylic acid esters
- C08J2333/12—Homopolymers or copolymers of methyl methacrylate
Definitions
- the present invention relates to polymer particles, a resin composition containing the polymer particles, and a molded body (such as a light diffuser and a matte molded body).
- a light diffusing resin composition in which polymer particles (light diffusing agent) having a defined average particle size, particle size distribution, refractive index, and the like are dispersed in a transparent resin is used. Things are known (for example, see Patent Document 1).
- a molded body having a high design property while suppressing the gloss on the surface of the molded body a molded body having polymer particles in which a mean particle size, a particle size distribution, a refractive index and the like are defined in a base material is known. (For example, see Patent Document 2).
- Color tone is different between a molded product made of a resin not containing polymer particles and a molded product made of a resin composition containing polymer particles.
- Such shaped bodies cannot be used in applications exposed to high temperatures and do not have sufficient optical performance. Therefore, the industrial utility value of a molded object falls.
- Patent Document 1 JP-A-7-90167
- Patent Document 2 JP 2000-212293 A
- the object of the present invention is to prevent changes in color tone when blended with a resin, and to reduce the heat stability and heat-and-moisture resistance of the resulting molded article.
- Resin composition heat stability with less color difference from the resin before blending the polymer particles, heat and humidity resistance It is in providing the molded object which is excellent in.
- the polymer particle of the present invention is obtained by polymerizing a monomer in the presence of a phosphate ester salt represented by the following formula (1), and is based on 100 parts by mass of the polymer particle. It is characterized in that the acid ester salt is contained in the polymer particle in the range of 0.01-1.0.0 parts by mass.
- R 1 is an alkyl group having 10 to 18 carbon atoms
- R 2 is an alkylene group having 2 or 3 carbon atoms
- M is an alkali metal or an alkaline earth metal. M is an integer from 1 to 20, and n is 1 or 2.
- the resin composition of the present invention is characterized in that the polymer particles are blended with a resin.
- the molded body of the present invention is formed by molding the resin composition.
- the light diffusing body and the decoloring agent of the present invention are characterized by containing the polymer particles. The invention's effect
- the polymer particle of the present invention suppresses a change in the color tone of a molded product when molded with a resin. Moreover, the thermal stability and heat-and-moisture resistance of the resulting molded article are not reduced.
- a molded body using a resin composition having a small difference in color tone from the resin before blending the polymer particles is excellent in heat stability and heat and humidity resistance.
- the molded article (light diffuser, matte molded article) of the present invention is excellent in thermal stability and moisture and heat resistance with little color difference from the resin before blending polymer particles.
- the polymer particles of the present invention are obtained by polymerizing a monomer in the presence of the phosphate ester salt represented by the above formula (1).
- the polymer particles of the present invention are preferably a crosslinked polymer obtained by polymerizing a monomer containing a crosslinking agent.
- Non-crosslinkable monomers include aromatic vinyls such as styrene and ⁇ -methylstyrene; methyl metatalylate, ethyl metatalylate, ⁇ butyl metatalylate, i butyl metatalylate, t-butynole metatalylate, Methacrylic acid esterolates such as cyclohexenoremethacrylate, 2-ethynolehexenomethacrylate, stearylmethacrylate, laurylmethacrylate, isobornylmethacrylate, benzylmethacrylate, phenylmethacrylate, etylacrylate, n_Butyl Atylate, i_Butyl Atylate, t_Butyl Atylate, Cyclic Hexyl Atylate, 2_Ethyl Hexyl Atylate, 2_Ethyl Hexyl Atylate, 2_Ethyl Hexyl Atylate,
- butyl ether such as butyl chloride and butyl bromide; Vinylidene chloride and vinylidene bromide and the like Vinylidene halides; vinyl monomers having a glycidyl group such as glycidyl acrylate, glycidyl methacrylate, allyl glycidyl ether, ethylene glycol glycidyl ether; burs having a hydroxy group such as hydroxyethyl methacrylate Monomers; vinyl monomers having a carboxylic group such as acrylic acid and methacrylic acid.
- the crosslinking agent include polyfunctional monomers having two or more polymerizable double bonds.
- polyfunctional monomers examples include ethylene glycol dimetatalate, 1,3-butylene glycol dimetatalate, 1,4-butylene glycol dimetatalate, and propylene glycol dimetatalate; And polybutylbenzene such as rilmetatalylate, divinylbenzene, and tributylbenzene.
- the content of the crosslinking agent is preferably 0.5 to 40% by mass in 100% by mass of all monomers (non-crosslinkable monomer + crosslinking agent) used.
- amount of the crosslinking agent used is less than 0.5% by mass, for example, the erasing effect when polymer particles are used as an erasing agent and the diffusion effect when used as a diffusing agent tend to decrease. Even if the amount of the crosslinking agent used exceeds 40% by mass, the performance improvement is small and the cost is increased.
- the monomer comprises a non-crosslinkable monomer and a crosslinking agent
- the Tg of the (co) polymer is -10 to 150 ° C as the non-crosslinkable monomer. It is preferable to use one or more monomers within the range.
- the Tg of the (co) polymer was determined by the FOX equation, and the Tg of the homopolymer when the monomer was polymerized alone is, for example, the Polymer Data Handbook (Baifukan, 1986). It can be calculated using the Tg described in Publication.
- the erasing effect tends to decrease when polymer particles are used as an erasing agent.
- a monomer with a Tg of more than 150 ° C when used as a (co) polymer the surface appearance of the molded product tends to deteriorate when polymer particles are blended with a resin and molded. .
- R 1 is an alkyl group having 10 to 18 carbon atoms.
- the alkyl group preferably has 12 or more carbon atoms, more preferably 16 or less.
- the alkyl group may be linear or branched.
- an n-dodecyl group, an n-tridecinole group, an n-tetradecinole group, and an isotridecyl group are preferable.
- R 2 is an alkylene group having 2 or 3 carbon atoms.
- the alkylene group may be linear or branched. Examples of the alkylene group include an ethylene group and a propylene group. When m in the formula (1) is 2 or more, a plurality of different groups may exist as R 2 . For example, both an ethylene group and a propylene group may exist.
- M is an alkali metal or an alkaline earth metal. Examples of the alkali metal include sodium, potassium, lithium, rubidium, cesium and the like. Alkaline earth metals include calcium, barium, magnesium, strontium and the like. Among these, M is preferably sodium, potassium, calcium, or sodium, and sodium is particularly preferable because deterioration of a resin to which polymer particles are added can be reduced.
- m is an integer of 120, an integer of 3 or more is preferable, and an integer of 10 or less is preferable.
- n 1 or 2.
- Examples of the phosphoric acid ester salt represented by the above formula (1) include mono_n-dodecyloxytetraoxyethylene phosphoric acid, di-n-decyloxytetraoxyethylene phosphoric acid, and mono_n.
- Diisooctadecyloxyhexoxyethylene phosphate monoisodecyloxyoctoxyethylene phosphate, diisodecyloxyoctoxyethylene phosphate, mono-isododecyloxyocta Oxyethylene phosphoric acid, diisododecyloxyoctoxyethylene phosphate, mono-isotridecyloxyoctoxyethylene phosphate, diisoisotope Ridecyloxyoctoxyethylene phosphate, monoisotetradecyloxyoxyethylene phosphate, di-isotetradecyloxyoxyethylene phosphate, mono-sohexadecyloxyoctanoate Xylethylene phosphate, diisohexadecyloxyoxyethylene phosphate, monoisooctadecyloxyoctoxyethylene phosphate, diisooctadecyloxyoctoxyethylene phosphate Al
- phosphate ester salts may be used alone or in combination of two or more.
- an alkali metal or alkaline earth metal hydroxide may be added to the phosphate ester to neutralize the phosphate ester to obtain a desired phosphate ester salt.
- the phosphate ester salt may be a mixture of a monoalkyl ester or a dialkyl ester.
- the mixing ratio of the monoalkyl ester and the dialkyl ester is not particularly limited.
- a non-phosphate ester surfactant may be contained.
- Preferable surfactants containing the phosphate ester salt represented by the above formula (1) for example, NC-718 manufactured by Sanyo Chemical Industry Co., Ltd., manufactured by Toho Chemical Industry Co., Ltd. Phosphanol LS 529, Phosphanol RS—610NA, Phosphanol RS—620NA, Phosfano Monore RS—630NA, Phosphanol RS—640NA, Phosphanol RS—650NA, Phosphanol RS—660NA, Kao LATEMUL P-0404, LATEMUL P-04 05, LATEMNORE P 0406, LATEMNORE P 0407, etc.
- the phosphate ester salt used as the surfactant is contained in the polymer particles within a range of 0.01-1.0 parts by mass with respect to 100 parts by mass of the polymer particles.
- the degradability of the resin to which the polymer particles are added tends to be suppressed.
- the polymer particles of the present invention are particularly preferably used as a light diffusing agent for forming a light diffusing material such as a light diffusing plate by adding to a thermoplastic resin.
- polymer particles of the present invention are suitably used as a matting agent for forming a matte molded body such as a matting plate by adding to a thermoplastic resin.
- a known polymerization method can be used, and emulsion polymerization, soap-free polymerization, or polymer particles obtained by these polymerization methods can be used as seeds.
- examples include seed emulsion polymerization, swelling polymerization, two-stage swelling polymerization, and fine suspension polymerization, and fine suspension polymerization is particularly preferable.
- Microsuspension polymerization is a method of forcibly emulsifying an aqueous mixture comprising a monomer, a surfactant containing the phosphate ester salt represented by the above formula (1), water and an oil-soluble initiator with a homogenizer, homomixer, or the like.
- the particle size is 1.0-: Fine droplets with a size of 100 xm, which are heated to dissolve in the droplets, decompose the oil-soluble initiator, generate radicals, and generate radical polymerization.
- the latex in which polymer particles are dispersed can be obtained.
- the oil-soluble initiator as used herein refers to a radical polymerization initiator having a solubility in water of less than 0.5% by mass.
- Initiators that can be used as long as this condition is satisfied are not particularly limited.
- azo radical polymerization initiators such as azonitrile, azoamide cyclic azoamidine, azoamidine, macroazo compounds, ketone peroxides, peroxides.
- Known initiators such as peroxide radical polymerization initiators such as ketals, hydride peroxides, dialkyl peroxides, diacyl peroxides, peroxide esters and peroxide dicarbonates can be used.
- the amount of the oil-soluble initiator used is preferably in the range of 0.05-1.0 parts by mass with respect to 100 parts by mass of the total amount of monomers.
- the amount of water used in the aqueous mixture is preferably in the range of 50 to 1000 parts by mass with respect to 100 parts by mass of the total amount of monomers.
- the particles of the present invention can be produced with high productivity.
- Examples of a method for recovering the polymer particles from the latex in which the polymer particles are dispersed include salting out or acid precipitation coagulation, spray drying, freeze drying and the like. By these methods, the polymer particles can be recovered as a powder.
- the polymer particles are particularly preferably powdered by spray drying.
- the spraying drying method is not particularly limited, and a known method such as a two-flow nozzle method, a pressure nozzle method, or a rotating disk method can be used.
- the drying chamber outlet temperature in spray drying is 50 ⁇ 120.
- C force S preferably 60 to: 100.
- C power is better than S, 0
- the phosphate ester salt is contained in the particles. Highly productive polymer particles can be obtained
- the refractive index and particle diameter of the polymer particles of the present invention preferably satisfy the following formulas (2) and (3), and are preferably different from the refractive index of the base resin.
- the refractive index Np [—] Is the average refractive index calculated by the following formula (4) from the mass ratio of the monomer units constituting the polymer particles.
- Np (Wa X Npa + Wb X Npb H) / 100 (4)
- the polymer particles of the present invention are used as a light diffusing agent, a matting agent, a resin film blocking agent, a cosmetic filler, a low shrinkage agent, an abrasion resistance improver, a coating agent, a heat improver, and the like. be able to.
- the light diffusing agent of the present invention is a light diffusing agent comprising polymer particles obtained by polymerizing monomers in the presence of a phosphate ester salt represented by the formula (1).
- the matting agent of the present invention is a matting agent comprising polymer particles obtained by polymerizing a monomer in the presence of a phosphate ester salt represented by the formula (1).
- the resin composition of the present invention is obtained by blending the polymer particles of the present invention with a resin.
- the resin include polycarbonate, (meth) acrylic resin, styrene resin, methyl methacrylate-to-styrene copolymer, polyvinyl chloride, cyclic polyolefin, polyethylene, olefin resin such as polypropylene, acrylonitrile monostyrene resin, acrylonitrile monobutadiene.
- polycarbonate is a resin that easily deteriorates due to the surfactant contained in the polymer particles to be added.
- the polycarbonate is used.
- a molded article with reduced deterioration can be obtained.
- the polyacetal resin is a resin that generates formaldehyde by decomposition during molding, and is a resin whose decomposition is accelerated due to the surfactant contained in the added polymer particles.
- the resin composition obtained by blending the polymer particles of the present invention with a polyacetal resin has a time during which 10% mass is reduced when thermogravimetric measurement is performed at 230 ° C. (constant temperature) and an air flow rate of 200 ml / min (
- the resin composition satisfying the following formula (5) can be obtained when A) is A and the blending amount (parts by mass) of polymer particles is 8 with respect to 100 parts by mass of the resin.
- thermogravimetric measurement under conditions of 230 ° C. (constant temperature) and an air flow rate of 200 ml / min is TGZDTA6200 manufactured by Seiko Instruments Inc.
- additives may be blended in the resin composition of the present invention as long as the effects of blending the polymer particles are not adversely affected.
- Additives include antioxidants, UV absorption Various stabilizers such as agents; flame retardants, lubricants, antistatic agents, inorganic fillers, processing aids, impact modifiers, foaming agents, antibacterial agents, and coloring agents.
- a resin, polymer particles, and additives as necessary are mixed with a Henschel mixer, a tumbler, etc., and this is mixed with an extruder, kneader, mixer, etc. And a method in which other components are sequentially mixed with a previously melted component.
- the molded article of the present invention is formed by molding the resin composition of the present invention.
- a molded product obtained by molding the resin composition containing the polymer particles of the present invention is excellent in thermal stability and moisture and heat resistance with a small color difference from the resin before blending the polymer particles.
- Examples of the molding method include an extrusion molding method, an injection molding method, a calendar molding method, a blow molding method, a cast molding method, a press molding method, and a vacuum molding method.
- the molded body of the present invention includes a light diffusing plate for various displays, a light diffusing film; a member mainly for light diffusion such as a lighting fixture power bar and a lighting signboard; a low-gloss member such as an OA housing and a vehicle interior member; Can be suitably used.
- the light diffuser of the present invention comprises a light diffuser (I) having the polymer particles of the present invention in a substrate or a layer containing the polymer particles of the present invention (hereinafter referred to as a light diffusion layer) on the substrate. It is a light diffuser ( ⁇ ).
- the light diffuser (I) is produced by forming the resin composition of the present invention into a desired shape.
- the balance between light transmittance and light diffusibility can be taken at a high level, and the difference in color tone from the resin before blending the polymer particles is small. Excellent heat stability and moisture and heat resistance.
- the resin for the base material examples include polycarbonate, (meth) acrylic resin, styrene resin, methyl methacrylate styrene copolymer, polychlorinated butyl, and cyclic polyolefin, for which substantially transparent resin is preferred.
- the content of the polymer particles in the light diffuser (I) varies depending on the use of the light diffuser (I), but is usually 0.:! To 20 mass with respect to 100 parts by mass of the resin of the base material. Part is preferred 0.5-10 mass Part is more preferred. If the content of the polymer particles is less than 0.1 parts by mass, the light transmittance increases but the light diffusibility decreases. If the content of the polymer particles is more than 20 parts by mass, the light diffusibility increases but the light transmittance decreases.
- the light diffuser (II) is produced by applying a composition obtained by blending the polymer particles of the present invention to a binder resin on a base material to form a light diffusion layer.
- a composition obtained by blending the polymer particles of the present invention to a binder resin on a base material to form a light diffusion layer.
- the balance between light transmittance and light diffusibility can be achieved at a high level, and the heat stability is small with no color difference from the resin before blending polymer particles.
- Examples of the base material resin that is excellent in heat resistance and heat and humidity resistance are the same as those of the above-mentioned light diffuser (I) base material, which is preferably a substantially transparent resin.
- binder resin examples include unsaturated polyester resins, urethane acrylate resins, epoxy acrylate resins, melamine acrylate resins, and the like.
- the number average particle size of the polymer particles used in the light diffusers (1) and (II) is preferably from 0.5 to ⁇ , more preferably from 10 to 10 / im.
- the number average particle diameter of the polymer particles is smaller than 0.5 ⁇ , the light diffusibility increases but the light transmittance decreases. If the number average particle diameter of the polymer particles is larger than 100 ⁇ , the light transmittance increases but the light diffusibility decreases, and uneven brightness tends to occur.
- the light diffusers (1) and (ii) can be suitably used as members mainly for light diffusion such as light diffusion plates for various displays, light diffusion films; lighting fixture covers, and lighting signs.
- the matt molded body of the present invention has the polymer particles of the present invention in a substrate.
- the polymer particles of the present invention in the base material, it becomes a molded article having little chrominance difference from the resin before blending the polymer particles and having excellent erosion performance with excellent heat stability and moist heat resistance. .
- Examples of the base resin include known thermoplastic resins and thermosetting resins.
- the content of the polymer particles in the mat molded product varies depending on the required surface gloss of the molded product, but is generally 0.:! To 200 with respect to 100 parts by mass of the resin of the base material. Mass parts are preferred 1 to: 100 parts by mass are more preferred. By setting the content of the polymer particles in this range, A molded body having good erasing performance can be obtained.
- the number average particle size of the polymer particles used in the mat molded article is 0.5 to: ⁇ force S preferred:! To 50 ⁇ is more preferred.
- the mass average particle diameter and the number average particle diameter of the polymer particles were measured using a laser diffraction / scattering particle size distribution analyzer (LA-910, manufactured by Horiba, Ltd.).
- the solid content was measured by calculating the residual mass force when the Sampnole solution was dried in a hot air dryer at 180 ° C for 30 minutes.
- the total light transmittance of the molded body was measured using an integrating sphere reflection transmittance meter (RT-100, manufactured by Murakami Color Research Laboratory Co., Ltd.) in accordance with JIS K 7105 B method.
- the diffusivity of the molded body was measured using an automatic variable angle photometer (GP-200, manufactured by Murakami Color Research Laboratory Co., Ltd.) in accordance with DIN5036.
- the yellowness (YI) of the molded body was measured by reflection using a variable illuminance colorimeter (SM-T, manufactured by Suga Test Instruments Co., Ltd.) in accordance with JIS K 7105.
- SM-T variable illuminance colorimeter
- the mass average molecular weight of the molded product was measured under the following conditions using a size exclusion chromatograph (manufactured by Tosoichi Co., Ltd., HLC-8020).
- the MVR of the molded product conforms to JIS ⁇ 7210, using a melt flow tester (manufactured by Yasuda Seiki Seisakusho, fully automatic melt tester) under the conditions of a load of 1.2 kg and a temperature of 300 ° C. It was measured
- the pellets obtained from the resin composition were allowed to stay (stand) in a cylinder (temperature: 300 ° C.) of an injection molding machine and molded after 10 minutes. At this time, the differential thermal stability of MVR and mass average molecular weight between the molded body obtained by retaining the pellet in the cylinder and the molded body obtained without retaining was evaluated.
- the obtained molded body was subjected to a super accelerated life tester (Pressure'Tucker) (Hirayama Seisakusho, PC-422R7), 120 ° C, humidity 100%, 2 atm, 24 hours condition Tests were conducted, and the heat and humidity resistance was evaluated from the difference in mass average molecular weight of the molded body before and after the test.
- Pressure'Tucker Pressure'Tucker
- humidity 100% 120 ° C
- 2 atm 2 atm
- 24 hours condition Tests were conducted, and the heat and humidity resistance was evaluated from the difference in mass average molecular weight of the molded body before and after the test.
- the polymerization reactor was charged with 36.0 g of pure water, 83. Og of n-butanolate methacrylate and 55. Og of styrene. Thereafter, the rotation speed of stirring was set to l lOrpm, the temperature in the polymerization reactor was raised to 82 ° C, and an aqueous potassium persulfate solution 102. Og (potassium persulfate 2. Og dissolved in 100 g of pure water) was added. The polymerization was started by charging.
- the temperature in the vessel was maintained at 82 ° C. After completion of the dropping, the temperature was kept at 82 ° C. in the polymerization reactor for another 2 hours to obtain a seed latex (al).
- the solid content 34.2 wt 0/0, shea one de latex (al)
- the mass average particle size of the polymer particles 1. 2 ⁇ ⁇ , the number average particle diameter of 1 ⁇ ⁇ ⁇ ⁇ .
- the polymerization reactor was charged with 37.0 g of n-butyl methacrylate, 227.0 g of styrene, 39.0 g of dibutylbenzene, and phosphate ester salt represented by the above formula (1).
- Polyoxyethylene alkyl ether phosphate Sodium salt (trade name: Phosphanol RS _610NA, manufactured by Toho Chemical Co., Ltd.) 5.0 g, 1544.0 g of pure water was preliminarily emulsified for 2 minutes at 12000 rpm using IKA mixer “Ultra Turrax T-25”
- the treated materials are charged all at once, and maintained in the polymerization reactor at a temperature of 25 ° C and a stirring speed of 120 rpm for 18 hours. It was. Thereafter, the stirring rotation speed was set to 85 rpm, and the temperature in the polymerization reactor was raised to 85 ° C.
- the polyoxyethylene alkyl ether phosphate sodium salt (trade name: Phosphanol RS-610NA, manufactured by Toho Chemical Co., Ltd.) as the phosphate ester salt represented by the above formula (1) 3
- the obtained latex had a solid content of 23.9% by mass, the polymer particles in the latex had a mass average particle size of 2.3 xm, and a number average particle size of 1.
- the resulting latex is spray-dried using a spray dryer (L8 type, manufactured by Okawara Chemical Co., Ltd.), inlet temperature 170 ° C, outlet temperature 68 ° C, and atomizer speed 20000 rpm.
- Polymer particles (A1) (refractive index: 1.53) were obtained.
- the monomer used in this production example was a monomer having a Tg of 52 ° C of the (co) polymer obtained by the formula FOX.
- the polymer particles are recovered by spray-drying after polymerization, and all the used hydrochloric acid ester salts remain in the polymer.
- the amount of phosphoric acid ester sodium salt contained in the polymer particles is 0.8 parts by mass with respect to 100 parts by mass of the polymer.
- the seed latex (al) 60 Og obtained in Synthesis Example 1 was charged into the polymerization reactor.
- IKA mixer "Ultra Turrax T-25" at 12000rpm for 2 minutes
- the treated product was added, and further 30.
- the obtained latex had a solid content of 24.2% by mass, the polymer particles in the latex had a mass average particle size of 4.0 xm, and a number average particle size of 3.
- the resulting latex is spray-dried using a spray dryer (L8 type, manufactured by Okawara Chemical Co., Ltd.), inlet temperature 170 ° C, outlet temperature 68 ° C, and atomizer speed 20000 rpm.
- Polymer particles (A2) (refractive index: 1.53) were obtained.
- the Tg determined from the formula of FOX as a non-crosslinkable monomer was 52 ° C.
- the monomer used in this production example was a monomer having a Tg of 52 ° C of the (co) polymer determined by the FOX formula.
- the amount of sodium phosphate ester contained in the polymer particles is 0.8 parts by mass with respect to 100 parts by mass of the polymer.
- Synthetic Example 1 polyoxyethylene alkyl ether phosphate sodium salt (trade name: Phosphanol RS _610NA, manufactured by Toho Chemical Co., Ltd.) was changed to sodium dodecylbenzenesulfonate, the same as Synthesis Example 1. A seed latex was prepared under the same conditions to obtain a seed latex (bl).
- the seed latex (al) in Synthesis Example 1 was changed to the seed latex (bl), and polyoxyethylene alkyl ether phosphate sodium salt (trade name: Phosphanol RS-6120NA, manufactured by Toho Chemical Co., Ltd.) was dodecylbenzene. Except change to sodium sulfonate The polymer particles were prepared under the same conditions as in Synthesis Example 1 to obtain polymer particles (B1).
- the seed latex (al) in Synthesis Example 2 was changed to the seed latex (bl), and polyoxyethylene alkyl ether phosphate sodium salt (trade name: Phosphanol RS-6120NA, manufactured by Toho Chemical Co., Ltd.) was dodecylbenzene. Except for changing to sodium sulfonate, polymer particles were prepared under the same conditions as in Synthesis Example 2 to obtain polymer particles (B2).
- n_butylmetatalylate 5.0g of n_butinorea tallylate, 10.0g of ethylene glycol dimetatalylate, polyoxyester as the phosphate salt represented by the above formula (1)
- Sodium salt of ethylene alkyl ether phosphate ester (trade name: Phosphanol RS-610NA, manufactured by Toho Chemical Co., Ltd.) 0.4 g, organic peroxide (manufactured by NOF Corporation, trade name: Peractor 0) 0
- a homogeneous mixture consisting of 20 g was charged.
- the mixture was emulsified at 12000 rpm for 2 minutes using a mixer (“Ultra Turrax T-25” manufactured by IKA) to obtain an emulsified dispersion.
- the mixture was heated for 3 hours in a 65 ° C hot water bath with stirring at 200 rpm, and further heated to 80 ° C and heated for 1 hour to complete the polymerization.
- the resulting polymer dispersion was cooled to room temperature and then filtered using a 300 mesh nylon filter cloth.
- the obtained filtrate was spray-dried using a spray dryer (L8 type, manufactured by Okawara Chemical Co., Ltd.) under the conditions of an inlet temperature of 190 ° C, an outlet temperature of 80 ° C, and an atomizer speed of 20000 rpm, and polymer particles (C1 )
- the mass average particle diameter of the polymer particles (C1) was 8.
- the monomer used in this production example was a monomer whose Tg of the (co) polymer obtained by the formula of F0X was 20 ° C.
- the amount of sodium phosphate ester contained in the polymer particles is 0.4 parts by mass with respect to 100 parts by mass of the polymer.
- Polycarbonate resin manufactured by Teijin Chemicals Ltd., Panlite L-1225WP
- A1 or ( ⁇ 2) in the proportions shown in Table 1
- a twin screw extruder is used.
- the mixture was melt-kneaded at 280 ° C to produce pellets.
- the obtained pellets were molded using an injection molding machine at 280 ° C to prepare test pieces of 100 mm in length, 50 mm in width, and 2 mm in thickness, and the total light transmittance and diffusivity were measured.
- the color tone, heat stability (thermal stability evaluation method 1), and moist heat resistance of the obtained test pieces were evaluated. The results are shown in Table 1.
- a test piece was prepared under the same conditions as in Example 1 except that the polymer particles (A1) in Example 1 were changed to polymer particles (B1) or (B2), and each evaluation was performed. The results are shown in Table 1.
- the molded products of Comparative Examples 1 and 2 had a good balance between total light transmittance and diffusivity, but had large differences in thermal stability, mass average molecular weight and MVR before and after the wet heat resistance test.
- the obtained pellets were molded at 280 ° C using an injection molding machine to produce test pieces with a length of 80 mm, width of 50 mm, and thickness of 3 mm, and glossiness (Nippon Denshoku Co., Ltd., GLOSSMETER (6 0 ° _60 ° measurement)) and the color tone was evaluated.
- the results obtained are shown in Table 2.
- a test piece was prepared under the same conditions as in Example 5 except that the polymer particles (C1) of Example 5 were changed to polymer particles (D1), and each evaluation was performed. The results are shown in Table 2.
- the gloss of the molded product of Example 5 was 21 (the gloss of the molded product containing no polymer particles was 176), and the yellowing degree ( ⁇ ⁇ ) was _3. It had a erasing performance and the appearance of the molded product was extremely excellent.
- the molded product of Comparative Example 3 had good frosting performance (glossiness of 23), but had a large yellowing and had a problem in appearance of the molded product.
- Polyacetal resin manufactured by Polyplastics Co., Ltd., Dyuracon M90-344 100 parts by mass of polymer particles (C1) are blended in the proportions shown in Table 3 and are used at 200 ° C using a twin screw extruder. And kneaded to produce pellets. The obtained pellets were molded at 200 ° C using an injection molding machine to produce test pieces of 80mm length, 50mm width, 3mm thickness, and glossiness (GLOSSMETER (manufactured by Nippon Denshoku Industries Co., Ltd.) 60 ° -60 ° measurement)), and heat resistance (thermal stability evaluation method 2) was evaluated. The results obtained are shown in Table 3. [0072] [Comparative Examples 4 and 5]
- a test piece was prepared under the same conditions as in Example 6 except that the polymer particles (CI) of Example 6 were changed to polymer particles (D1), and each evaluation was performed. The results are shown in Table 3.
- the glossiness of the molded bodies of Examples 6 and 7 is 40 and 25 (the glossiness of the molded body containing no polymer particles is 86), and the yellowing degree ( ⁇ ) is ⁇ 1.
- the 10% weight loss time was also 53 min and 42 min. All of them are resin compositions satisfying the formula (5), and the molded products obtained simply by being excellent in decomposition resistance at the time of molding have good erosion performance and molded body appearance, The thermal stability was also excellent.
- the molded products of Comparative Examples 4 and 5 have good erosion performance and molded product appearance (the luminous intensity is 42 and 28), but do not satisfy the relationship of the formula (5). Not only the decomposition resistance was inferior, but also the thermal stability of the molded product was inferior.
- the polymer particles according to the present invention suppress a change in color tone when blended with a resin, and do not lower the thermal stability and heat-and-moisture resistance of the resulting molded article.
- the polymer particles according to the present invention are used as an anti-fogging agent, a resin film blocking agent, a cosmetic filler, a low shrinkage agent, an abrasion resistance improver, a coating agent, a heat improver and the like. It can also be applied to.
- a molded article containing the polymer particles of the present invention is used for various displays. Light diffusing plate, light diffusing film; lighting fixture cover, lighting signboard, etc. It can be suitably used as a member mainly for light diffusion.
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Polymerisation Methods In General (AREA)
Abstract
Description
Claims
Priority Applications (4)
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JP2006515455A JP5138220B2 (ja) | 2005-03-03 | 2006-03-03 | ポリマー粒子を含む樹脂組成物、成形体 |
CN2006800066337A CN101133088B (zh) | 2005-03-03 | 2006-03-03 | 聚合物粒子、含有它的树脂组合物、成型体 |
US11/817,562 US20090036607A1 (en) | 2005-03-03 | 2006-03-03 | Polymer particle, resin composition containing same, and molded body |
EP06715183A EP1862478B1 (en) | 2005-03-03 | 2006-03-03 | Polymer particle, resin composition containing same, and molded body |
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JP2005059176 | 2005-03-03 | ||
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WO2006093271A1 true WO2006093271A1 (ja) | 2006-09-08 |
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PCT/JP2006/304100 WO2006093271A1 (ja) | 2005-03-03 | 2006-03-03 | ポリマー粒子、これを含む樹脂組成物、成形体 |
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US (1) | US20090036607A1 (ja) |
EP (1) | EP1862478B1 (ja) |
JP (1) | JP5138220B2 (ja) |
KR (1) | KR100973386B1 (ja) |
CN (1) | CN101133088B (ja) |
WO (1) | WO2006093271A1 (ja) |
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JP2008280529A (ja) * | 2007-04-09 | 2008-11-20 | Kao Corp | 樹脂粒子 |
JP2009161600A (ja) * | 2007-12-28 | 2009-07-23 | Sekisui Plastics Co Ltd | 架橋(メタ)アクリル系重合体粒子、その製造方法及び光拡散性樹脂組成物 |
JP2010138365A (ja) * | 2008-11-11 | 2010-06-24 | Sekisui Plastics Co Ltd | 重合体粒子集合体、その製造方法、光拡散剤及び光拡散性樹脂組成物 |
JP2012057177A (ja) * | 2011-12-20 | 2012-03-22 | Nippon Shokubai Co Ltd | 光拡散媒体用有機粒子 |
JP2015193780A (ja) * | 2014-03-28 | 2015-11-05 | 積水化成品工業株式会社 | 合成樹脂粒子集合体 |
US9890223B2 (en) | 2010-09-28 | 2018-02-13 | Sekisui Plastics Co., Ltd. | Resin particles and process for producing same, antiglare film, light-diffusing resin composition, and external preparation |
WO2018055786A1 (ja) * | 2016-09-23 | 2018-03-29 | 積水化成品工業株式会社 | 重合体粒子分散液及びそれに用いる重合体粒子、分散剤及び分散媒体、並びにそれらの用途 |
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ES2381732T5 (es) * | 2008-11-21 | 2019-02-04 | Rohm & Haas | Composiciones poliméricas que contienen fosfatos |
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WO2012096256A1 (ja) * | 2011-01-11 | 2012-07-19 | 三菱レイヨン株式会社 | エポキシ樹脂用架橋重合体粒子、エポキシ樹脂組成物、及びエポキシ硬化物 |
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Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2008280529A (ja) * | 2007-04-09 | 2008-11-20 | Kao Corp | 樹脂粒子 |
JP2009161600A (ja) * | 2007-12-28 | 2009-07-23 | Sekisui Plastics Co Ltd | 架橋(メタ)アクリル系重合体粒子、その製造方法及び光拡散性樹脂組成物 |
JP2010138365A (ja) * | 2008-11-11 | 2010-06-24 | Sekisui Plastics Co Ltd | 重合体粒子集合体、その製造方法、光拡散剤及び光拡散性樹脂組成物 |
US9890223B2 (en) | 2010-09-28 | 2018-02-13 | Sekisui Plastics Co., Ltd. | Resin particles and process for producing same, antiglare film, light-diffusing resin composition, and external preparation |
JP2012057177A (ja) * | 2011-12-20 | 2012-03-22 | Nippon Shokubai Co Ltd | 光拡散媒体用有機粒子 |
JP2015193780A (ja) * | 2014-03-28 | 2015-11-05 | 積水化成品工業株式会社 | 合成樹脂粒子集合体 |
WO2018055786A1 (ja) * | 2016-09-23 | 2018-03-29 | 積水化成品工業株式会社 | 重合体粒子分散液及びそれに用いる重合体粒子、分散剤及び分散媒体、並びにそれらの用途 |
JPWO2018055786A1 (ja) * | 2016-09-23 | 2019-06-24 | 積水化成品工業株式会社 | 重合体粒子分散液及びそれに用いる重合体粒子、分散剤及び分散媒体、並びにそれらの用途 |
Also Published As
Publication number | Publication date |
---|---|
EP1862478A4 (en) | 2009-03-25 |
CN101133088A (zh) | 2008-02-27 |
JPWO2006093271A1 (ja) | 2008-08-07 |
KR100973386B1 (ko) | 2010-07-30 |
CN101133088B (zh) | 2011-04-13 |
EP1862478B1 (en) | 2012-01-25 |
EP1862478A1 (en) | 2007-12-05 |
US20090036607A1 (en) | 2009-02-05 |
KR20070108914A (ko) | 2007-11-13 |
JP5138220B2 (ja) | 2013-02-06 |
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