WO2011013645A1 - Composition de résine polycarbonate et son article moulé - Google Patents

Composition de résine polycarbonate et son article moulé Download PDF

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Publication number
WO2011013645A1
WO2011013645A1 PCT/JP2010/062577 JP2010062577W WO2011013645A1 WO 2011013645 A1 WO2011013645 A1 WO 2011013645A1 JP 2010062577 W JP2010062577 W JP 2010062577W WO 2011013645 A1 WO2011013645 A1 WO 2011013645A1
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WO
WIPO (PCT)
Prior art keywords
mass
polycarbonate resin
parts
resin composition
group
Prior art date
Application number
PCT/JP2010/062577
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English (en)
Japanese (ja)
Inventor
敬直 竹内
誠一 前場
Original Assignee
出光興産株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 出光興産株式会社 filed Critical 出光興産株式会社
Priority to JP2011524781A priority Critical patent/JPWO2011013645A1/ja
Priority to CN201080032314XA priority patent/CN102471568A/zh
Publication of WO2011013645A1 publication Critical patent/WO2011013645A1/fr

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Classifications

    • 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
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/02—Elements
    • C08K3/04—Carbon
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L27/00—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 a halogen; Compositions of derivatives of such polymers
    • C08L27/02—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 a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L27/12—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 a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
    • C08L27/18—Homopolymers or copolymers or tetrafluoroethene
    • 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

Definitions

  • the present invention relates to a polycarbonate resin composition and a molded article thereof, and particularly relates to a polycarbonate resin composition that provides a molded article having high thermal conductivity, high mechanical strength, and high flame retardancy.
  • Patent Document 1 includes (A) 100 parts by mass of a thermoplastic resin, (B) 5 to 100 parts by mass of graphite having an average particle size of 5 to 300 ⁇ m, (C) an alkali (earth) metal salt of an organic sulfonate.
  • a flame retardant resin composition comprising 001 to 1 part by mass is disclosed.
  • Patent Document 2 discloses (A) a thermoplastic resin (component A) 99 to 20 parts by mass, and (B) an apparent density of 0.15 g / cm. 3 or less and and, although thermoplastic resin composition pH of the aqueous layer when the graphite powder 5g dispersed in water 100g consists of graphite 1-80 parts by weight of 4 to 10 is disclosed, the composition Then, the flame retardancy was insufficient.
  • Patent Document 3 includes (C) an amino group and / or an epoxy group for a total of 100 parts by mass of (A) 60 to 90 parts by mass of an aromatic polycarbonate resin and (B) 10 to 40 parts by mass of graphite.
  • an aromatic polycarbonate resin composition comprising 0.001 to 5 parts by mass of a silane compound and / or a silicone compound is disclosed, even in this technique, the size of about 1.5 mm required for a housing of an electronic device or the like is disclosed. Thickness does not provide sufficient flame retardancy.
  • Patent Document 4 discloses a heat-dissipating housing in which a heating element is accommodated, which is composed of a thermoplastic resin [A] and a specific heat-conductive filler [B], and conducts heat to 100 parts by mass of the thermoplastic resin [A].
  • a heat dissipating case composed of a thermally conductive resin composition having a filler [B] blending amount of 10 to 1000 parts by mass is disclosed, flame retardancy required for a case such as an electronic device is disclosed. There is no description about it, and since there is no addition of a flame retardant or an anti-drip agent, it is considered that the flame retardant is not sufficient.
  • JP 2006-273931 A JP2007-31611A JP2007-126499A JP2008-31358
  • the present invention has been made in order to solve the above-described problems, and provides a polycarbonate resin composition having high thermal conductivity, high mechanical strength, a thin wall and high flame retardancy, and a molded product thereof. For the purpose.
  • the present invention relates to (A) an organopolysiloxane having 100 to 100 parts by weight of a polycarbonate resin and (B) 30 to 100 parts by weight of artificial graphite and (C) a group selected from a phenyl group, a methoxy group and a vinyl group.
  • the molded body formed by molding the polycarbonate resin composition of the present invention has high thermal conductivity, high mechanical strength, and high flame retardance while being thin.
  • the polycarbonate resin composition of the present invention has a group selected from 30 to 100 parts by mass of (B) artificial graphite, (C) a phenyl group, a methoxy group, and a vinyl group with respect to (A) 100 parts by mass of the polycarbonate resin.
  • PC polycarbonate resin
  • a various thing is mentioned.
  • a dihydric phenol and a carbonate precursor are used by a solution method or a melting method, specifically, a reaction of a dihydric phenol and phosgene, or a transesterification reaction of a dihydric phenol and diphenyl carbonate or the like. be able to.
  • dihydric phenol examples include various ones such as 2,2-bis (4-hydroxyphenyl) propane [bisphenol A], bis (4-hydroxyphenyl) methane, 1,1-bis (4- Hydroxyphenyl) ethane, 2,2-bis (4-hydroxy-3,5-dimethylphenyl) propane, 4,4'-dihydroxydiphenyl, bis (4-hydroxyphenyl) cycloalkane, bis (4-hydroxyphenyl) sulfide Bis (4-hydroxyphenyl) sulfone, bis (4-hydroxyphenyl) sulfoxide, bis (4-hydroxyphenyl) ether, bis (4-hydroxyphenyl) ketone and the like.
  • bisphenol A 2,2-bis (4-hydroxyphenyl) propane
  • 1,1-bis (4- Hydroxyphenyl) ethane 2,2-bis (4-hydroxy-3,5-dimethylphenyl) propane
  • 4,4'-dihydroxydiphenyl bis (4-hydroxyphenyl) cycloalkane
  • dihydric phenols are bis (hydroxyphenyl) alkanes, particularly those using bisphenol A as a main raw material.
  • examples of the dihydric phenol include hydroquinone, resorcin, and catechol. These dihydric phenols may be used alone or in combination of two or more.
  • examples of the carbonate precursor include carbonyl halide, carbonyl ester, and haloformate. Specific examples include phosgene, dihaloformate of dihydric phenol, diphenyl carbonate, dimethyl carbonate, and diethyl carbonate.
  • the (A) polycarbonate resin used in the present invention preferably has a charged molecular weight (viscosity average molecular weight) [MV] of 19000 to 30000 from the viewpoint of obtaining high impact strength, and 19000 to 27000 from the viewpoint of moldability. And more preferred.
  • the artificial graphite as the component (B) is not particularly limited and may be a known one or a commercially available one. Artificial graphite is obtained by heat-treating amorphous carbon and artificially aligning irregularly arranged fine graphite crystals. In addition to artificial graphite used for general carbon materials, Kish graphite, cracked graphite, and Includes pyrolytic graphite. Artificial graphite used for general carbon materials is usually produced by graphitization treatment using petroleum coke or coal-based pitch coke as a main raw material. In the present invention, the reason why artificial graphite is essential instead of natural graphite is to obtain flame retardancy with a thin wall.
  • the artificial graphite (B) used in the present invention is 30 to 100 parts by weight, preferably 30 to 70 parts by weight, based on 100 parts by weight of the polycarbonate resin. If it is less than 30 parts by mass, sufficient thermal conductivity cannot be obtained, and if it exceeds 100 parts by mass, flame retardancy with a thin wall cannot be obtained, causing a reduction in impact strength and a decrease in molecular weight during granulation.
  • the organopolysiloxane of component (C) is not particularly limited as long as it has a group selected from a phenyl group, a methoxy group, and a vinyl group.
  • a group selected from a phenyl group, a methoxy group, and a vinyl group For example, KR-511 manufactured by Shin-Etsu Chemical Co., Ltd. BY16-161 and the like.
  • flame retardance improves by using the organopolysiloxane which has as essential a group chosen from a phenyl group, a methoxy group, and a vinyl group.
  • the organopolysiloxane (C) used in the present invention is 0.01 to 5 parts by weight, preferably 1 to 4 parts by weight, based on 100 parts by weight of the polycarbonate resin. If it is less than 0.01 part by mass, sufficient flame retardancy cannot be obtained, and if it exceeds 5 parts by mass, dripping tends to occur during combustion.
  • the (D) fluorine compound is used as an anti-drip agent and is not particularly limited as long as it is a fluorine-containing compound.
  • a fluorine-containing polymer having a fibril-forming ability can be mentioned.
  • examples thereof include tetrafluoroethylene, tetrafluoroethylene-based copolymers (for example, tetrafluoroethylene / hexafluoropropylene copolymer), partially fluorinated polymers, and polycarbonate resins produced from fluorinated diphenols.
  • PTFE polytetrafluoroethylene
  • the fluorine compound (D) used in the present invention is 0.01 to 5 parts by mass, preferably 0.5 to 4 parts by mass with respect to 100 parts by mass of the polycarbonate resin. If it is less than 0.01 part by mass, there will be no dripping prevention effect, and if it exceeds 5 parts by mass, flame retardancy will be reduced.
  • the polycarbonate resin composition of the present invention includes (E) an organic sulfonate of an alkali metal or alkaline earth metal as a flame retardant, and (F) an antioxidant that is a phosphorus-containing compound. It is preferable to contain an agent.
  • alkali (earth) metal As the organic sulfonate of the alkali metal or alkaline earth metal of the component (E) [hereinafter sometimes referred to as “alkali (earth) metal” together ”, perfluoroalkylsulfonic acid and alkali Examples include metal salts of fluorine-substituted alkyl sulfonic acids such as metal salts with metals or alkaline earth metals, and metal salts of aromatic sulfonic acids with alkali metals or alkaline earth metal salts.
  • the alkali metal includes lithium, sodium, potassium, rubidium and cesium, and the alkaline earth metal includes beryllium, magnesium, calcium, strontium and barium. More preferred is an alkali metal.
  • these alkali metals potassium and sodium are preferable from the viewpoints of flame retardancy and thermal stability, and potassium is particularly preferable.
  • a potassium salt and a sulfonic acid alkali metal salt composed of another alkali metal can also be used in combination.
  • alkali metal perfluoroalkylsulfonate examples include potassium trifluoromethanesulfonate, potassium perfluorobutanesulfonate, potassium perfluorohexanesulfonate, potassium perfluorooctanesulfonate, sodium pentafluoroethanesulfonate, Sodium perfluorobutanesulfonate, sodium perfluorooctanesulfonate, lithium trifluoromethanesulfonate, lithium perfluorobutanesulfonate, lithium perfluoroheptanesulfonate, cesium trifluoromethanesulfonate, cesium perfluorobutanesulfonate, perfluorooctane Cesium sulfonate, cesium perfluorohexane sulfonate, rubidium perfluorobutane sulfonate, and Perfluorohexane sulfonate
  • the carbon number of the perfluoroalkyl group is preferably in the range of 1 to 18, more preferably in the range of 1 to 10, and still more preferably in the range of 1 to 8.
  • potassium perfluorobutanesulfonate is particularly preferred.
  • aromatic (earth) metal salt of an aromatic sulfonate include, for example, diphenyl sulfide-4,4′-disulfonate, dipotassium diphenylsulfide-4,4′-disulfonate, potassium 5-sulfoisophthalate , Sodium 5-sulfoisophthalate, polysodium polyethylene terephthalate polysulfonate, calcium 1-methoxynaphthalene-4-sulfonate, disodium 4-dodecylphenyl ether disulfonate, poly (2,6-dimethylphenylene oxide) polysulfonate poly Sodium, poly (1,3-phenylene oxide) polysulfonic acid polysodium, poly (1,4-phenylene oxide) polysulfonic acid polysodium, poly (2,6-diphenylphenylene oxide) polysulfonic acid poly Potassium, lithium poly (2-fluoro-6-butylpheny
  • an organic sulfonate of an alkali (earth) metal is added as a flame retardant in order to increase flame retardancy, and usually 0.01 to 100 parts by mass of the polycarbonate resin.
  • the effect as a flame retardant is acquired as it is 1 mass part and it is 0.01 mass part or more, and if it is 1 mass part or less, the thermal stability in a granulation process and a formation process is favorable.
  • antioxidant examples include phosphorous acid, phosphoric acid, phosphonous acid, phosphonic acid and esters thereof, and tertiary phosphine.
  • phosphorous acid, phosphoric acid, phosphonous acid, phosphonic acid, triorganophosphate compound, and acid phosphate compound are particularly preferable.
  • the organic group in the acid phosphate compound includes any of mono-substituted, di-substituted, and mixtures thereof. Any of the following exemplified compounds corresponding to the compound is similarly included.
  • the phosphorus-containing compound (F) used in the present invention is usually 0.001 to 1 part by mass with respect to 100 parts by mass of the polycarbonate resin. The stability is good, and if it is 1 part by mass or less, the molecular weight is not lowered.
  • the release agent examples include saturated fatty acid esters, unsaturated fatty acid esters, polyolefin waxes (polyethylene wax, 1-alkene polymers, etc., and those modified with a functional group-containing compound such as acid modification can also be used), Examples include silicone compounds, fluorine compounds (fluorine oils typified by polyfluoroalkyl ethers), paraffin wax, beeswax and the like.
  • the amount of the release agent is usually 0.1 to 2 parts by mass with respect to 100 parts by mass of the polycarbonate resin.
  • the polycarbonate resin composition of the present invention preferably has a charged molecular weight (viscosity average molecular weight) [MV] of 19000 to 30000 from the viewpoint of obtaining high impact strength, and more preferably 19000 to 27000 from the viewpoint of moldability. .
  • MV charged molecular weight
  • the method for producing the polycarbonate resin composition of the present invention is not particularly limited, and may be a known method.
  • the components (A) to (D), and the components (E) and (F) and a release agent, if necessary, are added and premixed in a V-type blender, Henschel mixer, mechanochemical device, extrusion mixer, etc. After thorough mixing using means, if necessary, granulate the pre-mixture with an extrusion granulator or briquetting machine, and then use a melt kneader typified by a vent type twin screw extruder. A method of melt-kneading and then pelletizing with a pelletizer can be mentioned.
  • a method of supplying each of the above components independently to a melt kneader represented by a vent type twin screw extruder, or a part of each component is premixed and then the melt kneader independently of the remaining components.
  • Examples include a method of supplying.
  • Examples of the method of premixing a part of each component include a method in which components other than the polycarbonate resin (A) component are premixed in advance and then mixed with the polycarbonate resin (A) component or directly supplied to the extruder. .
  • a premixing method for example, when a polycarbonate resin (component A) having a powder form is included, a master batch of an additive diluted with a powder by blending a part of the powder with an additive to be blended is used.
  • the method of manufacturing and using a masterbatch is mentioned.
  • the method etc. which supply a certain component independently from the middle of a melt extruder are also mentioned.
  • a liquid injection apparatus or a liquid addition apparatus can be used for supply to a melt extruder.
  • one having a vent capable of degassing moisture in the raw material and volatile gas generated from the melt-kneaded polycarbonate resin composition can be preferably used.
  • a vacuum pump is preferably installed for efficiently discharging generated moisture and volatile gas to the outside of the extruder. It is also possible to remove a foreign substance from the resin composition by installing a screen for removing the foreign substance mixed in the extrusion raw material in the zone in front of the extruder die. Examples of the screen include a wire mesh, a screen changer, and a sintered metal plate (such as a disk filter).
  • melt-kneader examples include a banbury mixer, a kneading roll, a single-screw extruder, a triaxial or more multi-screw extruder, in addition to a twin-screw extruder.
  • the extruded polycarbonate resin composition is directly cut into pellets, or after forming strands, the strands are cut with a pelletizer and pelletized.
  • the polycarbonate resin composition of the present invention can usually produce various products by injection-molding the pellets produced as described above to obtain molded products.
  • injection molding not only ordinary molding methods, but also injection compression molding, injection press molding, gas-assisted injection molding, foam molding (including the method of injecting supercritical fluid), insert molding, in-mold coating molding, and heat insulation gold Examples thereof include mold molding, rapid heating / cooling mold molding, two-color molding, sandwich molding, and ultra-high speed injection molding.
  • composition materials used in Examples and Comparative Examples are as follows.
  • EW-440A trade name, manufactured by Riken Vitamin Co., Ltd.]
  • the polycarbonate resin composition of the present invention can exhibit flame retardancy of V-1 at a thickness of 1.2 mm even without a flame retardant.
  • a molded product obtained by molding the polycarbonate resin composition of the present invention has high thermal conductivity, high mechanical strength, and is thin but highly flame retardant. For this reason, it is useful as various molded products that require flame retardancy, and is particularly useful as a heat radiating component, a component for heat transfer, for example, a component for electric and electronic equipment, for example, a casing or a chassis.

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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)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

La présente invention a pour objet une composition de résine polycarbonate qui contient, pour 100 parties en masse (A) d’une résine polycarbonate, de 30 à 100 parties en masse (B) de graphite artificiel, de 0,01 à 5 parties en masse (C) d’un organopolysiloxane qui possède un groupe choisi parmi un groupe phényle, un groupe méthoxy et un groupe vinyle, et de 0,01 à 5 parties en masse (D) d’un composé du fluor. La présente invention concerne également : un corps moulé qui est obtenu par le moulage de la composition de résine polycarbonate ; et un composant pour un dispositif électrique / électronique, un boîtier pour un dispositif électrique / électronique et un châssis pour un dispositif électrique / électronique, chacun comprenant le corps moulé. La composition de résine polycarbonate fournit un article moulé qui possède une conductivité thermique élevée et une résistance mécanique élevée, tout en manifestant une ininflammabilité élevée même dans des cas où l’article moulé est finement formé.
PCT/JP2010/062577 2009-07-29 2010-07-27 Composition de résine polycarbonate et son article moulé WO2011013645A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2011524781A JPWO2011013645A1 (ja) 2009-07-29 2010-07-27 ポリカーボネート樹脂組成物及びその成形品
CN201080032314XA CN102471568A (zh) 2009-07-29 2010-07-27 聚碳酸酯树脂组合物以及其成形品

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2009176699 2009-07-29
JP2009-176699 2009-07-29

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WO2011013645A1 true WO2011013645A1 (fr) 2011-02-03

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CN (1) CN102471568A (fr)
TW (1) TW201111443A (fr)
WO (1) WO2011013645A1 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012174574A2 (fr) 2011-06-15 2012-12-20 Bayer Materialscience Llc Compositions thermoplastiques thermoconductrices
US20150165064A1 (en) * 2013-06-21 2015-06-18 Innate Pharma Enzymatic conjugation of polypeptides
JP2018125264A (ja) * 2017-02-03 2018-08-09 オムロン株式会社 異常検出装置
WO2018164666A1 (fr) 2017-03-07 2018-09-13 Covestro Llc Processus de moulage par injection à deux coups pour pièces thermoplastiques
US10156352B2 (en) 2013-04-19 2018-12-18 Covestro Llc In mold electronic printed circuit board encapsulation and assembly
WO2021076561A1 (fr) 2019-10-15 2021-04-22 Covestro Llc Ensemble phare en trois parties

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JP2006028276A (ja) * 2004-07-14 2006-02-02 Mitsubishi Engineering Plastics Corp 熱伝導性ポリカーボネート系樹脂組成物および成形体
JP2006273931A (ja) * 2005-03-28 2006-10-12 Teijin Chem Ltd 難燃性樹脂組成物
JP2006316149A (ja) * 2005-05-11 2006-11-24 Sumitomo Dow Ltd 難燃性ポリカーボネート樹脂フィルム
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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012174574A2 (fr) 2011-06-15 2012-12-20 Bayer Materialscience Llc Compositions thermoplastiques thermoconductrices
US10156352B2 (en) 2013-04-19 2018-12-18 Covestro Llc In mold electronic printed circuit board encapsulation and assembly
US11112103B2 (en) 2013-04-19 2021-09-07 Covestro Llc In mold electronic printed circuit board encapsulation and assembly
US20150165064A1 (en) * 2013-06-21 2015-06-18 Innate Pharma Enzymatic conjugation of polypeptides
US9427478B2 (en) * 2013-06-21 2016-08-30 Innate Pharma Enzymatic conjugation of polypeptides
JP2018125264A (ja) * 2017-02-03 2018-08-09 オムロン株式会社 異常検出装置
US11329328B2 (en) 2017-02-03 2022-05-10 Omron Corporation Abnormality detector
WO2018164666A1 (fr) 2017-03-07 2018-09-13 Covestro Llc Processus de moulage par injection à deux coups pour pièces thermoplastiques
WO2021076561A1 (fr) 2019-10-15 2021-04-22 Covestro Llc Ensemble phare en trois parties
US12007093B2 (en) 2019-10-15 2024-06-11 Covestro Llc Three part headlamp assembly

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CN102471568A (zh) 2012-05-23
JPWO2011013645A1 (ja) 2013-01-07
TW201111443A (en) 2011-04-01

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