WO2010140622A1 - 電気自動車部品用成形品 - Google Patents
電気自動車部品用成形品 Download PDFInfo
- Publication number
- WO2010140622A1 WO2010140622A1 PCT/JP2010/059355 JP2010059355W WO2010140622A1 WO 2010140622 A1 WO2010140622 A1 WO 2010140622A1 JP 2010059355 W JP2010059355 W JP 2010059355W WO 2010140622 A1 WO2010140622 A1 WO 2010140622A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- parts
- mass
- thermoplastic polyester
- polyester resin
- flame retardant
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/34—Heterocyclic compounds having nitrogen in the ring
- C08K5/3467—Heterocyclic compounds having nitrogen in the ring having more than two nitrogen atoms in the ring
- C08K5/3477—Six-membered rings
- C08K5/3492—Triazines
- C08K5/34928—Salts
-
- 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
- C08K5/53—Phosphorus bound to oxygen bound to oxygen and to carbon only
- C08K5/5313—Phosphinic compounds, e.g. R2=P(:O)OR'
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D2585/00—Containers, packaging elements or packages specially adapted for particular articles or materials
- B65D2585/68—Containers, packaging elements or packages specially adapted for particular articles or materials for machines, engines, or vehicles in assembled or dismantled form
- B65D2585/6802—Containers, packaging elements or packages specially adapted for particular articles or materials for machines, engines, or vehicles in assembled or dismantled form specific machines, engines or vehicles
- B65D2585/6875—Containers, packaging elements or packages specially adapted for particular articles or materials for machines, engines, or vehicles in assembled or dismantled form specific machines, engines or vehicles engines, motors, machines and vehicle parts
- B65D2585/6882—Containers, packaging elements or packages specially adapted for particular articles or materials for machines, engines, or vehicles in assembled or dismantled form specific machines, engines or vehicles engines, motors, machines and vehicle parts vehicle parts
-
- 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
- C08K3/01—Use of inorganic substances as compounding ingredients characterized by their specific function
- C08K3/013—Fillers, pigments or reinforcing additives
-
- 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
- C08K5/0008—Organic ingredients according to more than one of the "one dot" groups of C08K5/01 - C08K5/59
- C08K5/0066—Flame-proofing or flame-retarding additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/16—Nitrogen-containing compounds
- C08K5/34—Heterocyclic compounds having nitrogen in the ring
- C08K5/3467—Heterocyclic compounds having nitrogen in the ring having more than two nitrogen atoms in the ring
- C08K5/3477—Six-membered rings
- C08K5/3492—Triazines
Definitions
- the present invention relates to a molded article for electric vehicle parts having excellent hydrolysis resistance, electrical insulation, flame retardancy, and tracking resistance.
- Thermoplastic polyester resin has excellent mechanical properties, electrical properties, heat resistance, weather resistance, water resistance, chemical resistance, and solvent resistance, and is widely used in automotive parts, electrical / electronic parts, etc. . Moreover, as the field of application of such thermoplastic polyester resins expands, excellent flame retardancy and durability are required for safety reasons.
- thermoplastic polyester resins Various methods have been proposed to impart flame retardancy and durability to thermoplastic polyester resins. For example, as a method for imparting flame retardancy to a thermoplastic polyester resin, adding a halogen-based flame retardant (such as a halogen compound or an antimony compound) or a non-halogen-based flame retardant (such as a phosphorus compound or a nitrogen-containing compound) may be added.
- a halogen-based flame retardant such as a halogen compound or an antimony compound
- a non-halogen-based flame retardant such as a phosphorus compound or a nitrogen-containing compound
- thermoplastic polyester resin compositions that achieve a plurality of properties.
- Patent Document 1 a composition in which talc, a halogenated phenyl-alkyl (meth) acrylate flame retardant, and an olefin elastomer are blended with a thermoplastic polyester resin improves flame retardancy, tracking resistance, and fluidity. It is disclosed as a thing.
- Patent Document 2 discloses that a phosphinate and / or a diphosphinate and / or a polymer thereof, a salt of a triazine compound and cyanuric acid or isocyanuric acid, or a metal borate is added to a thermoplastic polyester resin. This composition is disclosed as having excellent flame retardancy, mechanical properties, molding processability, tracking resistance and the like.
- a molded product formed by molding a composition having flame retardancy, tracking resistance, and the like as described above is suitable for a case for housing a part for an electric vehicle.
- thermoplastic polyester resin has a characteristic of being easily hydrolyzed because it has many ester bonds. Therefore, a molded article using a thermoplastic polyester resin has a drawback that electrical insulation properties such as a volume resistance value decrease as a result of hydrolysis. Cases for storing parts for electric vehicles are required to have excellent hydrolysis resistance even in a high humidity environment and to maintain electrical insulation.
- Patent Document 3 discloses a polybutylene terephthalate resin composition that maintains flexibility and the like even after wet heat treatment.
- Patent Document 4 discloses a thermoplastic polyester resin composition that maintains specific physical properties after wet heat treatment.
- thermoplastic polyester resin composition capable of maintaining physical properties after wet heat treatment as described above is disclosed.
- the electrical insulation properties such as the volume resistance value are higher and the electrical properties such as the volume resistance value after the wet heat treatment. It is required to maintain sufficient insulation.
- the present invention has been made to solve the above-described problems, and its purpose is to provide a thermoplastic polyester resin composition having excellent hydrolysis resistance, electrical insulation, flame retardancy, and tracking resistance.
- An object of the present invention is to provide a molded article for an electric vehicle part using the object.
- the present inventors have found that molded articles for electric automobile parts using a composition containing a thermoplastic polyester resin and a flame retardant have excellent flame resistance and tracking resistance.
- the present inventors have found that it has excellent electrical insulation properties and has completed the present invention. More specifically, the present invention provides the following.
- thermoplastic polyester resin having a terminal carboxyl group content of 30 meq / kg or less and a flame retardant
- a thermoplastic polyester resin composition having a property of 500 V or more and having a volume resistance value of 1 ⁇ 10 15 ⁇ ⁇ m or more measured with a saturated steam at 120 ° C. for 200 hours under pressure and heat treatment Molded product for electric car parts.
- M is an alkaline earth metal, alkali metal, Zn, Al, Fe, boron, and m is 1 is an integer of 1 to 3, n is an integer of 1 or 3, and x is 1 or 2.
- thermoplastic polyester resin as a nitrogen-based flame retardant, a salt of a triazine compound and cyanuric acid or isocyanuric acid and / or a nitrogen compound containing an amino group and polyphosphoric acid
- a nitrogen-based flame retardant a salt of a triazine compound and cyanuric acid or isocyanuric acid and / or a nitrogen compound containing an amino group and polyphosphoric acid
- the flame retardant is one or more selected from the group consisting of a brominated flame retardant, a phosphorus flame retardant, an antimony flame retardant, and a nitrogen flame retardant.
- thermoplastic polyester resin is a polybutylene terephthalate resin, a modified polybutylene terephthalate resin, a polyethylene terephthalate resin, a modified polyethylene terephthalate resin, or a mixture thereof. Molding.
- thermoplastic polyester resin (10) The molded product for electric vehicle parts according to any one of (1) to (9), further including 200 parts by mass or less of a filler with respect to 100 parts by mass of the thermoplastic polyester resin.
- the molded article for electric vehicle parts of the present invention is particularly suitable for a case for housing parts for electric vehicles because it has excellent flame resistance and tracking resistance and has excellent electrical insulation.
- the present invention relates to a part for an electric vehicle formed by molding a thermoplastic polyester resin composition.
- the molded article for electric vehicle parts of the present invention contains a thermoplastic polyester resin and a flame retardant, and has a tracking resistance of 500 V measured in accordance with IEC112 3rd edition after pressure heating treatment with saturated steam at 120 ° C. for 200 hours.
- the volume resistance value measured after the pressure heat treatment for 200 hours with saturated steam at 120 ° C. is 1 ⁇ 10 15 ⁇ ⁇ m or more.
- the molded article for electric vehicle parts of the present invention is a case for housing parts for electric cars formed by molding the thermoplastic polyester resin composition.
- the thermoplastic polyester resin composition and the case will be described in this order.
- thermoplastic polyester resin composition used in the present invention is a thermoplastic polyester resin composition having the above physical properties
- the types of components such as thermoplastic polyester resin and flame retardant used are not particularly limited, A conventionally well-known thing can be used. Further, the content of each component is not particularly limited, and is appropriately adjusted so as to satisfy the above physical properties.
- the thermoplastic polyester resin composition as described above include the following thermoplastic polyester resin compositions.
- the flame retardant is a phosphinate and / or diphosphinate, and the flame retardant is contained in an amount of 10 to 100 parts by mass with respect to 100 parts by mass of the thermoplastic polyester resin.
- a thermoplastic polyester resin composition hereinafter may be referred to as “a resin composition containing a phosphorus-based flame retardant”.
- thermoplastic polyester resin composition used in the present invention, a thermoplastic polyester resin composition containing a flame retardant and further containing 30 to 100 parts by mass of talc with respect to 100 parts by mass of the thermoplastic polyester resin. (Hereinafter may be referred to as “resin composition containing talc”).
- thermoplastic polyester resin compositions in which the former flame retardant is a phosphinate and / or diphosphinate, and the flame retardant is contained in an amount of 10 to 100 parts by mass with respect to 100 parts by mass of the thermoplastic polyester resin.
- the resin composition containing a phosphorus flame retardant contains a thermoplastic polyester resin, a phosphinate and / or a diphosphinate.
- thermoplastic polyester resin contained in the resin composition containing a phosphorus-based flame retardant used in the present invention is a polycondensation of a dicarboxylic acid compound and a dihydroxy compound, a polycondensation of an oxycarboxylic acid compound or a polycondensation of these ternary compounds. It is a polyester resin obtained by etc. In the present invention, either a homopolyester or a copolyester can be used.
- dicarboxylic acid compound constituting the thermoplastic polyester resin used herein examples include terephthalic acid, isophthalic acid, naphthalenedicarboxylic acid, diphenyldicarboxylic acid, diphenyletherdicarboxylic acid, diphenylethanedicarboxylic acid, cyclohexanedicarboxylic acid, adipic acid, and sebacic acid. And known dicarboxylic acid compounds and their alkyl, alkoxy or halogen-substituted compounds. These dicarboxylic acid compounds can also be used for polymerization in the form of a derivative capable of forming an ester, for example, a lower alcohol ester such as dimethyl ester.
- Dihydroxy compounds include, for example, ethylene glycol, propylene glycol, butanediol, neopentyl glycol, hydroquinone, resorcin, dihydroxyphenyl, naphthalenediol, dihydroxydiphenyl ether, cyclohexanediol, 2,2-bis (4-hydroxyphenyl) propane, diethoxylation
- dihydroxy compounds such as bisphenol A, polyoxyalkylene glycols and their alkyl, alkoxy or halogen-substituted products, and one or a mixture of two or more can be used.
- oxycarboxylic acid examples include oxycarboxylic acids such as oxybenzoic acid, oxynaphthoic acid and diphenyleneoxycarboxylic acid, and alkyl, alkoxy or halogen substituted products thereof.
- oxycarboxylic acids such as oxybenzoic acid, oxynaphthoic acid and diphenyleneoxycarboxylic acid
- alkyl, alkoxy or halogen substituted products thereof oxycarboxylic acids
- derivatives capable of forming an ester of these compounds can also be used. In the present invention, one or more of these compounds are used.
- a polyester having a branched or crosslinked structure in which a trifunctional monomer, that is, trimellitic acid, trimesic acid, pyromellitic acid, pentaerythritol, trimethylolpropane, or the like is used together in a small amount may be used.
- thermoplastic polyester resin produced by polycondensation using the above compound as a monomer component can be used as a component of the resin composition used in the present invention.
- These compounds are used alone or in admixture of two or more kinds, preferably a polyalkylene terephthalate resin, more preferably a copolymer (modified polyethylene terephthalate) mainly composed of polybutylene terephthalate resin and / or polyethylene terephthalate resin. Resin).
- a thermoplastic polyester resin may be modified by a known method such as crosslinking or graft polymerization.
- the thermoplastic polyester resin contained in the resin composition containing the phosphorus-based flame retardant is preferably a polybutylene terephthalate resin, a modified polybutylene terephthalate resin, a polyethylene terephthalate resin, a modified polyethylene terephthalate resin, or a mixture thereof.
- polybutylene terephthalate resin and modified polyethylene terephthalate resin are preferable.
- thermoplastic polyester resin contained in the resin composition containing the phosphorus-based flame retardant is a thermoplastic polyester resin having a terminal carboxyl group amount of 30 meq / kg or less, preferably 25 meq / kg or less. If the amount of terminal carboxyl groups is 30 meq / kg or less, it is possible to remarkably suppress a decrease in electrical characteristics due to hydrolysis in a humid heat environment.
- the amount of terminal carboxyl groups can be measured, for example, by dissolving a ground sample of polybutylene terephthalate in benzyl alcohol at 215 ° C. for 10 minutes and titrating with a 0.01N aqueous sodium hydroxide solution.
- thermoplastic polyester resin contained in the resin composition containing the phosphorus-based flame retardant can have an intrinsic viscosity of 0.5 to 1.3 dl / g.
- the range of 0.65 to 1.15 dl / g is preferable from the viewpoint of moldability and mechanical properties.
- thermoplastic polyester resins having different intrinsic viscosities for example, by blending a thermoplastic polyester resin having an intrinsic viscosity of 1.2 dl / g and a thermoplastic polyester resin having an intrinsic viscosity of 0.8 dl / g, 1.0 dl / g An intrinsic viscosity of g may be achieved.
- the intrinsic viscosity (IV) can be measured, for example, in O-chlorophonol at a temperature of 35 ° C.
- a thermoplastic polyester resin having an intrinsic viscosity in such a range is used, it is easy to efficiently achieve sufficient toughness and a reduced melt viscosity. If the intrinsic viscosity is too large, the melt viscosity at the time of molding becomes high, and in some cases, there is a possibility of causing poor resin flow and poor filling in the molding die.
- the phosphinic acid salt and / or diphosphinic acid salt is not particularly limited, and conventionally known ones can be used. In the resin composition containing the phosphorus flame retardant, one or more of these compounds are used. In addition, the said phosphinic acid salt hits a flame retardant in the resin composition containing the said phosphorus flame retardant.
- phosphinates represented by the following general formula (1) are preferable.
- diphosphinic acid salts represented by the formula (2) are preferable.
- R 1 and R 2 are a straight chain or branched C 1 -C 6 -alkyl group which may contain a phenyl group, hydrogen, and one hydroxyl group. is there.
- R 1 and R 2 are preferably both ethyl groups.
- R 3 is a linear or branched C 1 -C 10 -alkylene group, arylene group, alkylarylene group or arylalkylene group.
- M is an alkaline earth metal, alkali metal, Zn, Al, Fe, or boron.
- Al is preferable.
- m is an integer of 1 to 3
- n is an integer of 1 or 3
- x is 1 or 2.
- these phosphinates and the like are preferably contained in an amount of 10 to 100 parts by mass with respect to 100 parts by mass of the thermoplastic polyester resin. If the content is 10 parts by mass or more, it is preferable because stable flame retardancy can be obtained, and if the content is 100 parts by mass or less, it is preferable because of excellent mechanical properties. More preferably, it is 15 to 60 parts by mass.
- the resin composition containing the phosphorus flame retardant preferably contains a conventionally known nitrogen flame retardant.
- a salt of a triazine compound and cyanuric acid or isocyanuric acid and / or a double salt of a nitrogen compound containing an amino group and polyphosphoric acid is preferable.
- a salt of the triazine compound and cyanuric acid or isocyanuric acid a salt of the triazine compound represented by the following general formula (3) and cyanuric acid or isocyanuric acid is exemplified as a preferable example.
- R 4 and R 5 are a hydrogen atom, an amino group, an aryl group, or an oxyalkyl group having 1 to 3 carbon atoms, and R 4 and R 5 may be the same or different.
- melamine cyanurate is particularly preferable among the salts of the triazine compound represented by the general formula (3) and cyanuric acid or isocyanuric acid.
- the nitrogen compound containing an amino group contained in a double salt of a nitrogen compound containing an amino group and polyphosphoric acid has at least one amino group and a heterocyclic ring having at least one nitrogen atom as a ring hetero atom.
- the compound is included, and the heterocycle may have other heteroatoms such as sulfur and oxygen in addition to nitrogen.
- Such nitrogen-containing heterocycles are 5- or 6-membered unsaturated having a plurality of nitrogen atoms such as imidazole, thiadiazole, thiadiazoline, furazane, triazole, thiadiazine, pyrazine, pyrimidine, pyridazine, triazine, and purine as ring constituent atoms.
- Nitrogen-containing heterocycles and the like are included. Of such nitrogen-containing rings, 5- or 6-membered unsaturated nitrogen-containing rings having a plurality of nitrogen atoms as ring constituent atoms are preferable, and triazole and triazine are particularly preferable. Of the double salts of nitrogen compounds containing amino groups and polyphosphoric acid, melam polyphosphate is preferred.
- the content of the nitrogen flame retardant is preferably 1 to 50 parts by mass with respect to 100 parts by mass of the thermoplastic polyester resin. If the content of the nitrogen-based flame retardant is 1 part by mass or more, it is preferable because stable flame retardancy is obtained, and if it is 50 parts by mass or less, it is preferable because mechanical properties are excellent. A more preferable content is 3 to 30 parts by mass with respect to 100 parts by mass of the thermoplastic polyester resin.
- filler In the resin composition containing the phosphorus flame retardant, a resin composition further containing a filler is preferable.
- the type of filler is not particularly limited, and may be either organic or inorganic, but inorganic fillers are preferred. Examples of conventionally known inorganic fillers include fibrous fillers, granular fillers, and plate-like fillers. Moreover, in the resin composition containing the said phosphorus flame retardant, you may contain 2 or more types of fillers.
- fibrous filler examples include glass fiber, asbestos fiber, silica fiber, silica / alumina fiber, alumina fiber, zirconia fiber, boron nitride fiber, silicon nitride fiber, boron fiber, potassium titanate fiber, stainless steel, aluminum, titanium Inorganic fibrous materials such as metallic fibrous materials such as copper and brass.
- the granular fillers include carbon black, graphite, silica, quartz powder, glass beads, milled glass fiber, glass balloon, glass powder, calcium silicate, aluminum silicate, kaolin, talc, clay, diatomaceous earth, wollastonite and the like. Salts, iron oxide, titanium oxide, zinc oxide, antimony trioxide, oxides of metals such as alumina, carbonates of metals such as calcium carbonate and magnesium carbonate, sulfates of metals such as calcium sulfate and barium sulfate, other ferrites, Examples thereof include silicon carbide, silicon nitride, boron nitride, and various metal powders.
- examples of the plate-like filler include mica, glass flakes, various metal foils and the like.
- glass fiber is particularly preferable among the above-mentioned conventionally known fillers.
- any known glass fiber is preferably used, and the glass fiber diameter, the shape of a cylinder, a bowl-shaped cross section, an oval cross section, etc., or the length and glass cut when used for the production of chopped strands, rovings, etc. It does not depend on the method.
- E glass or corrosion resistant glass containing zirconium element in the composition is preferably used in terms of quality.
- a filler surface-treated with an organic treatment agent such as a silane compound or an epoxy compound is preferably used.
- an organic treatment agent such as a silane compound or an epoxy compound.
- silane compound and epoxy compound used for such a filler any known one can be preferably used, and does not depend on the type of silane compound or epoxy compound used for the surface treatment of the filler in the present invention.
- the filler content is preferably 200 parts by mass or less with respect to 100 parts by mass of the thermoplastic polyester resin.
- a filler content of 200 parts by mass or less is preferred because the fluidity during molding is excellent.
- a more preferable filler content is 150 parts by mass or less with respect to 100 parts by mass of the thermoplastic polyester resin.
- the polyester resin composition may be hydrolyzed by hot water or water vapor to deteriorate the resin. Therefore, a reactive stabilizer may be added to the resin composition containing the phosphorus flame retardant. The reactive stabilizer improves wet heat resistance, durability and the like, and suppresses deterioration of the resin due to hydrolysis.
- the reactive stabilizer examples include at least one functional group selected from compounds having a cyclic ether group, an acid anhydride group, an isocyanate group, an oxazoline group (ring), an oxazine group (ring), an epoxy group, a carbodiimide group, and the like. And compounds having a group.
- a compound having an epoxy group (epoxy compound) and a compound having a carbodiimide group (carbodiimide compound) are preferably used because of reactivity with the polyester resin, ease of handling, and availability.
- epoxy compound examples include alicyclic compounds such as vinylcyclohexene dioxide, glycidyl ester compounds such as glycidyl esters of persic acid, glycidyl ether compounds (hydroquinone diglycidyl ether, biphenol diglycidyl ether, bisphenol-A diglycidyl ether, etc. ), Glycidylamine compounds, epoxy group-containing vinyl copolymers (for example, epoxidized polybutadiene, epoxidized diene monomer styrene copolymer, etc.), triglycidyl isocyanurate, epoxy-modified (poly) organosiloxane, and the like.
- alicyclic compounds such as vinylcyclohexene dioxide
- glycidyl ester compounds such as glycidyl esters of persic acid
- glycidyl ether compounds hydroquinone diglycidyl ether, biphenol diglycid
- carbodiimide compound examples include polyarylcarbodiimides such as poly (phenylcarbodiimide) and poly (naphthylcarbodiimide), poly (2-methyldiphenylcarbodiimide), poly (2,6-diethyldiphenylcarbodiimide), and poly (2,6- Polyalkylarylcarbodiimides such as diisopropyldiphenylcarbodiimide), poly (2,4,6-triisopropyldiphenylcarbodiimide), poly (2,4,6-trit-butyldiphenylcarbodiimide), poly [4,4'-methylenebis ( 2,6-diethylphenyl) carbodiimide], poly [4,4'-methylenebis (2-ethyl-6-methylphenyl) carbodiimide], poly [4,4'-methylenebis (2,6-diisopropylphenyl) carbo Imide], poly [4,4'-methylenebis (2-ethy
- Epoxy compounds and carbodiimide compounds can be used alone or in combination of two or more.
- the carbodiimide compound can be blended as a master batch using a resin as a matrix, and it is often easy to use the master batch in terms of actual handling.
- a resin as a matrix
- the masterbatch by a polyester resin is used suitably, what was prepared as a masterbatch with other resin may be used. What is necessary is just to adjust so that it may become in the range of a predetermined compounding quantity in the case of the masterbatch by a polyester resin.
- the master batch may be charged in advance at the time of melt-kneading to form uniform pellets.
- a pellet blend product in which components other than the carbodiimide compound are preliminarily formed into uniform pellets by melt kneading and the like, and a master batch pellet of the carbodiimide compound is dry blended at the time of molding may be used for molding.
- the content when the epoxy compound and / or carbodiimide compound is contained in the resin composition containing the phosphorus-based flame retardant is preferably 0.1 to 10 parts by mass with respect to 100 parts by mass of the thermoplastic polyester resin. If the content of the epoxy compound and / or carbodiimide compound is 0.1 parts by mass or more, it is preferable because the hydrolysis resistance is excellent and the electrical characteristics are stable, and if it is 10 parts by mass or less, the fluidity during molding is excellent. This is preferable.
- a more preferable content of the epoxy compound and / or carbodiimide compound is 0.5 to 8 parts by mass with respect to 100 parts by mass of the thermoplastic polyester resin.
- the resin composition containing the phosphorus flame retardant may contain a flame retardant aid as necessary. It does not specifically limit as a flame retardant adjuvant which can be contained, A conventionally well-known thing can be used.
- the resin composition containing the phosphorus-based flame retardant As long as the effects of the present invention are not impaired, other resins, nucleating agents, carbon black, pigments such as inorganic fired pigments, antioxidants, stabilizers, plasticizers, Compositions to which desired properties are imparted by adding additives such as lubricants, anti-dripping agents, mold release agents and flame retardants are also included.
- additives such as lubricants, anti-dripping agents, mold release agents and flame retardants are also included.
- Fluorine-containing resins include fluorine-containing monomers alone or copolymers, such as fluorine-containing monomers (tetrafluoroethylene, chlorotrifluoroethylene, vinylidene fluoride, hexafluoropropylene, perfluoroalkyl vinyl ether, etc.) Single or copolymer, copolymer of the fluorine-containing monomer and other copolymerizable monomers (olefin monomers such as ethylene and propylene, and acrylic monomers such as (meth) acrylate) Polymers and the like are included.
- fluorine-containing monomers tetrafluoroethylene, chlorotrifluoroethylene, vinylidene fluoride, hexafluoropropylene, perfluoroalkyl vinyl ether, etc.
- fluorine-containing monomers tetrafluoroethylene, chlorotrifluoroethylene, vinylidene fluoride, hexafluoropropylene, perflu
- a tetrafluoroethylene polymer is particularly preferable from the viewpoint of availability, high effect, and ease of handling.
- the content of the tetrafluoroethylene polymer can be selected, for example, from the range of about 0.1 to 50 parts by mass, preferably about 0.5 to 20 parts by mass with respect to 100 parts by mass of the thermoplastic polyester resin.
- the resin composition used in the present invention can be easily prepared using equipment and methods generally used as a conventional resin composition preparation method. For example, 1) a method in which each component is mixed, kneaded and extruded by a single or twin screw extruder to prepare pellets, and then molded, and 2) once pellets having different compositions are prepared, and the pellets are placed in place. Any method can be used, such as a method of quantitatively mixing and subjecting to molding to obtain a molded product of the desired composition after molding, or 3) a method of directly charging one or more of each component into a molding machine. Further, a method of adding a part of the resin component as a fine powder and mixing it with other components is a preferable method for achieving uniform blending of these components.
- the resin composition containing talc contains a thermoplastic polyester resin, a flame retardant, and talc. As will be described later, the content of talc is preferably 30 to 100 parts by mass with respect to 100 parts by mass of the thermoplastic polyester resin.
- thermoplastic polyester resin examples include the same as those described for the resin composition containing the phosphorus-based flame retardant.
- the thermoplastic polyester resin is preferably a polybutylene terephthalate resin, a modified polybutylene terephthalate resin, a polyethylene terephthalate resin, a modified polyethylene terephthalate resin, or a mixture thereof.
- polybutylene terephthalate resin is particularly preferable.
- the type of flame retardant used is not particularly limited, and conventionally known flame retardants can be used.
- conventionally known flame retardants include halogen flame retardants, metal salts of inorganic acids, silicone flame retardants, antimony flame retardants, and nitrogen flame retardants. These flame retardants can be used alone or in combination of two or more.
- brominated flame retardants include bromine-containing acrylic resins (for example, brominated polybenzyl (meth) acrylate resins), bromine-containing styrene resins (for example, brominated products of styrene resins, brominated styrene monomers alone) Or brominated styrene resins such as copolymers), bromine-containing polycarbonate resins (brominated bisphenol-type polycarbonate resins, etc.), bromine-containing epoxy compounds (brominated bisphenol-type epoxy resins, brominated bisphenol-type phenoxy resins, etc.), Brominated polyaryl ether compounds, brominated aromatic imide compounds [e.g., alkylene bis brominated phthalimide (e.g., ethylene bis brominated phthalimide), etc.], brominated bis aryl compounds,
- bromine-containing acrylic resins for example, brominated polybenzyl (meth) acrylate resins
- bromine-containing acrylic resins for example, brominated benzyl acrylate
- bromine-containing styrene resins for example, bromine-containing styrene resins
- bromine-containing polycarbonate resins for example, bromine-containing epoxy resins
- bromine-containing epoxy resins are preferable.
- examples of the inorganic acid constituting the salt include phosphoric acid, sulfuric acid, boric acid, chromic acid, antimonic acid, halogen acid, and carbonic acid.
- a metal which comprises an inorganic acid and a salt metals, such as an alkali metal, alkaline-earth metal, and a transition metal, are mentioned.
- the flame retardant content is preferably 3 to 50 parts by mass with respect to 100 parts by mass of the thermoplastic polyester resin. If the content of the flame retardant is 3 parts by mass or more, it is preferable because stable flame retardancy is obtained, and if it is 50 parts by mass or less, it is preferable because mechanical properties are excellent.
- the content of the flame retardant is more preferably 5 to 40 parts by mass with respect to 100 parts by mass of the thermoplastic polyester resin.
- talc When talc is contained in the thermoplastic polyester resin composition, particularly tracking resistance can be improved. In particular, when compressed fine powder talc is used as talc, the uniform dispersibility is high, and kneading workability and mechanical properties can be improved.
- talc used in the resin composition containing the talc normal talc may be used, but compressed fine powder talc is preferably used.
- compressed fine powder talc those having a bulk specific gravity of 0.4 to 1.5 are preferable.
- a more preferred bulk specific gravity is 0.5 to 1.2.
- the average particle size of the compressed fine powder talc is preferably, for example, 150 ⁇ m or more, and more preferably 150 to 300 ⁇ m.
- Compressed fine talc is a conventionally known method such as a method in which a gas (for example, air) existing in or between particles is initially degassed using a vacuum device, and the remaining gas is removed by the compressive force of a roller. Is obtained.
- a gas for example, air
- the average particle diameter of talc before compression of compressed fine powder talc is preferably 0.04 to 10 ⁇ m, for example. A more preferable average particle diameter is 0.5 to 5 ⁇ m.
- the bulk specific gravity of talc before compression is preferably, for example, 0.1 to 0.4.
- the amount of the gas component contained in the compressed fine powder talc is 30% by volume or more (for example, about 30 to 95% by volume, preferably about 30 to 80% by volume) compared to the amount of the gas component contained in the talc before compression. Less is preferred.
- an average particle diameter is obtained as a value of D50 in the particle size distribution measurement based on JIS Z8820 and Z8822.
- the bulk specific gravity is obtained as a weight (g number) per 1 cm 3 when placed in a volume having a constant volume.
- the content of talc used in the resin composition containing talc is not particularly limited, but the content is preferably 30 to 100 parts by mass with respect to 100 parts by mass of the thermoplastic polyester resin.
- a talc content of 30 parts by mass or more is preferable because of excellent tracking resistance, and a talc content of 100 parts by mass or less is preferable because of excellent mechanical properties.
- a more preferable content of talc is 35 to 80 parts by mass with respect to 100 parts by mass of the thermoplastic polyester resin.
- Olefin elastomer As a resin composition containing said talc, what contains an olefin type elastomer is preferable. By combining a thermoplastic polyester resin, a flame retardant, and talc with an olefin elastomer, the characteristics of the olefin elastomer can be effectively expressed, and in particular, mechanical properties such as toughness and impact resistance can be greatly improved.
- a conventionally known olefin elastomer can be used.
- Conventionally known olefin elastomers are, for example, selected from ethylene-propylene copolymer (EP copolymer), ethylene-propylene-diene copolymer (EPD copolymer), EP copolymer and EPD copolymer.
- EP copolymer ethylene-propylene copolymer
- EPD copolymer ethylene-propylene-diene copolymer
- EP copolymer and EPD copolymer EP copolymer and EPD copolymer.
- a copolymer containing at least one kind of unit a copolymer of an olefin and a (meth) acrylic monomer, and the like.
- Preferred olefin-based elastomers include EP copolymers, EPD copolymers, and copolymers of olefins and (meth) acrylic monomers. Olefin elastomers can be used alone or in combination of two or more.
- ethylene ethyl acrylate is particularly preferable.
- the content of the olefin elastomer is not particularly limited, but is preferably 5 to 50 parts by mass with respect to 100 parts by mass of the thermoplastic polyester resin. If the content of the olefin elastomer is 5 parts by mass or more, it is preferable because it is excellent in toughness and the molded product is difficult to break, and if it is 50 parts by mass or less, it is preferable because stable flame retardancy is obtained. A more preferable content of the olefin elastomer is 8 to 30 parts by mass.
- the resin composition containing the talc preferably contains a filler.
- the filler contained in the resin composition containing talc include the same ones as described for the resin composition containing the phosphorus-based flame retardant.
- glass fiber is preferable similarly to the case of the resin composition containing the phosphorus flame retardant.
- the preferred content of the filler is also the same as that of the resin composition containing the phosphorus-based flame retardant.
- the conventionally well-known flame retardant adjuvant may be included as needed.
- a brominated flame retardant When a brominated flame retardant is used as a flame retardant, it is preferable to use an antimony-containing compound as a flame retardant aid.
- antimony-containing compound examples include antimony trioxide, antimony pentoxide, and antimonate. These antimony-containing compounds can be used alone or in combination of two or more. Of the antimony-containing compounds, antimony trioxide is preferable.
- the content of antimony trioxide can be selected, for example, from the range of 1 to 30 parts by weight, preferably 3 to 20 parts by weight with respect to 100 parts by weight of the thermoplastic polyester resin.
- the resin composition containing talc is preferably used in combination with a fluorine-containing resin as an anti-dripping agent during combustion and as a tracking resistance improver.
- a fluorine-containing resin the same resin composition as that containing the phosphorus-based flame retardant, such as a tetrafluoroethylene polymer, can be used.
- epoxy compound and / or carbodiimide compound As the resin composition containing the talc, the same resin composition as the resin composition containing the phosphorus-based flame retardant, such as an epoxy compound or a carbodiimide compound, can be used.
- the molded article for electric vehicle parts of the present invention has excellent electrical insulation while having excellent flame retardancy and excellent tracking resistance.
- Excellent flame retardancy is the flame retardant level “V-0” of UL standard 94.
- the excellent tracking resistance means that, in a tracking resistance test performed by a method described in Examples described later, an applied voltage at which tracking occurs on a test piece is 500 V or more.
- the excellent electrical insulation is that the volume resistance value after the pressure cooker (PCT) test described in the examples is 1 ⁇ 10 15 ⁇ ⁇ m or more. Further, by using the technique of the present invention, excellent heat resistance is also exhibited. For example, it is possible to achieve 500 V or more in the tracking resistance test even after heat treatment at 180 ° C. for 200 hours.
- thermoplastic polyester resin composition used in the present invention by containing a preferable amount of the above-mentioned preferred components, a molded article having very excellent flame retardancy, very good tracking resistance and very good electrical insulation. Can be granted.
- the electric vehicle component housed in the case of the present invention is not particularly limited, but includes a power module, a step-up DC / DC converter, a step-down DC / DC converter, a capacitor, an insulator, a motor terminal block, a battery, an electric compressor,
- the thermoplastic polyester resin composition is preferable as a material for a case that houses a battery current sensor and a junction block.
- the storage case for electric vehicle parts in the present invention is formed by a conventionally known method.
- conventionally known molding methods include injection molding, injection compression molding, gas assist method injection molding, extrusion molding, multilayer extrusion molding, rotational molding, hot press molding, blow molding, and foam molding.
- Phosphinate Aluminum diethylphosphinate, “Exolit OP 1230” (manufactured by Clariant)
- Nitrogen-based flame retardant 1 Melamine cyanurate, “Melapure 50” (manufactured by DSM)
- Nitrogen-based flame retardant 2 Melam polyphosphate, “Melapure 200” (manufactured by DSM)
- Talc compressed fine powder talc, average particle size 2.7
- Examples and Comparative Examples> The components shown in Tables 1 and 2 were weighed and then dry blended, and melt kneaded using a 30 mm ⁇ twin screw extruder (“TEX-30”, manufactured by Nippon Steel Works) to produce pellets (cylinder temperature 260 ° C., discharge rate 15 kg / h, screw rotation speed 150 rpm).
- TEX-30 twin screw extruder
- the obtained pellets were put into an injection molding machine (“J180AP”, manufactured by Nippon Steel Works), and a case for storing a capacitor was produced under the following molding conditions.
- the dimensions of the obtained case were 110 mm long ⁇ 110 mm wide ⁇ 40 mm high and 1.6 mm thick.
- the case formed by molding the thermoplastic polyester resin composition in the present invention has excellent flame retardancy, tracking resistance and electrical insulation.
- tracking resistance it was confirmed that a high value can be maintained even after heat treatment and pressure heat treatment under saturated steam.
- electrical insulation it was confirmed from the value of the volume resistance that excellent electrical insulation was exhibited even after the pressure heat treatment under saturated steam.
Landscapes
- 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
Description
本発明に使用する熱可塑性ポリエステル樹脂組成物は、上記のような物性を備える熱可塑性ポリエステル樹脂組成物であれば、使用する熱可塑性ポリエステル樹脂、難燃剤等の成分の種類は特に限定されず、従来公知のものを用いることができる。また、各成分の含有量についても特に限定されず、上記の物性を満たすように適宜調整する。上記のような熱可塑性ポリエステル樹脂組成物として、以下のような熱可塑性ポリエステル樹脂組成物を例示することができる。
リン系難燃剤を含む樹脂組成物には、熱可塑性ポリエステル樹脂、ホスフィン酸塩および/またはジホスフィン酸塩を含む。
本発明に使用するリン系難燃剤を含む樹脂組成物に含まれる熱可塑性ポリエステル樹脂とは、ジカルボン酸化合物とジヒドロキシ化合物との重縮合、オキシカルボン酸化合物の重縮合あるいはこれら三成分化合物の重縮合等によって得られるポリエステル樹脂である。本発明には、ホモポリエステル、コポリエステルのいずれも使用可能である。
(ホスフィン酸塩および/またはジホスフィン酸塩)
ホスフィン酸塩および/またはジホスフィン酸塩は、特に限定されず従来公知のものを用いることができる。上記リン系難燃剤を含む樹脂組成物においてはこれら化合物の1種または2種以上が用いられる。なお、上記ホスフィン酸塩等は、上記リン系難燃剤を含む樹脂組成物において難燃剤に当たる。
また、R3は、直鎖または分枝鎖のC1~C10-アルキレン基、アリーレン基、アルキルアリーレン基またはアリールアルキレン基である。
また、Mは、アルカリ土類金属、アルカリ金属、Zn、Al、Fe、ホウ素である。これらの中でもAlが好ましい。
mは、1~3の整数であり、nは、1または3の整数であり、かつ、xは、1または2である。
上記リン系難燃剤を含む樹脂組成物には、従来公知の窒素系難燃剤を含有することが好ましい。従来公知の窒素系難燃剤の中でも特に、トリアジン系化合物とシアヌール酸もしくはイソシアヌール酸との塩および/またはアミノ基を含有する窒素化合物とポリリン酸との複塩が好ましい。
上記リン系難燃剤を含む樹脂組成物においては、さらに充填剤を含有するものが好ましい。充填剤の種類は特に限定されず、有機系、無機系のいずれでもよいが無機系の充填剤が好ましい。従来公知の無機充填剤として、繊維状充填剤、粉粒状充填剤、板状充填剤等が挙げられる。また、上記リン系難燃剤を含む樹脂組成物においては、充填剤を二種以上含有してもよい。
ポリエステル樹脂組成物は熱水や水蒸気により加水分解を引き起こし樹脂劣化する場合がある。そこで、上記リン系難燃剤を含む樹脂組成物には、反応性安定剤を添加してもよい。反応性安定剤により耐湿熱性、耐久性等を向上し加水分解による樹脂の劣化が抑えられる。
上記リン系難燃剤を含む樹脂組成物には、必要に応じて難燃助剤を含んでいてもよい。含有可能な難燃助剤としては、特に限定されず、従来公知のものを使用できる。
上記リン系難燃剤を含む樹脂組成物には、本発明の効果を害さない範囲で、他の樹脂、核剤、カーボンブラック、無機焼成顔料等の顔料、酸化防止剤、安定剤、可塑剤、滑剤、ドリッピング防止剤、離型剤および難燃剤等の添加剤を添加して、所望の特性を付与した組成物も含まれる。例えば、燃焼時のドリッピング防止剤として、また、耐トラッキング性向上剤として、フッ素含有樹脂を併用することが好ましい。フッ素含有樹脂には、フッ素含有単量体の単独または共重合体、例えば、フッ素含有単量体(テトラフルオロエチレン、クロロトリフルオロエチレン、ビニリデンフルオライド、ヘキサフルオロプロピレン、パーフルオロアルキルビニルエーテル等)の単独または共重合体や、前記フッ素含有単量体と他の共重合性単量体(エチレン、プロピレン等のオレフィン系単量体、(メタ)アクリレート等のアクリル系単量体等)との共重合体等が含まれる。上記リン系難燃剤を含む樹脂組成物においては、入手しやすさ、効果の高さ、取り扱いの容易さから、特にテトラフルオロエチレン重合体が好ましい。テトラフルオロエチレン重合体の含有量は、例えば、熱可塑性ポリエステル樹脂100質量部に対し、0.1~50質量部、好ましくは0.5~20質量部程度の範囲から選択できる。
タルクを含む樹脂組成物は、熱可塑性ポリエステル樹脂、難燃剤、およびタルクを含む。後述する通り、タルクの含有量は、熱可塑性ポリエステル樹脂100質量部に対し、30~100質量部であることが好ましい。
上記タルクを含む樹脂組成物に含まれる熱可塑性ポリエステル樹脂としては、上記リン系難燃剤を含む樹脂組成物で説明したものと同様のものを挙げることができる。また、上記リン系難燃剤を含む樹脂組成物の場合と同様に熱可塑性ポリエステル樹脂としては、ポリブチレンテレフタレート樹脂、変性ポリブチレンテレフタレート樹脂、ポリエチレンテレフタレート樹脂、変性ポリエチレンテレフタレート樹脂またはこれらの混合物が好ましい。特にこれらの中でもポリブチレンテレフタレート樹脂が好ましい。
上記タルクを含む樹脂組成物においては、使用する難燃剤の種類は特に限定されず、従来公知の難燃剤を使用することができる。従来公知の難燃剤としては、例えば、ハロゲン系難燃剤、無機酸の金属塩、シリコーン系難燃剤、アンチモン系難燃剤、窒素系難燃剤等が挙げられる。これらの難燃剤は単独でまたは二種以上組み合わせて使用できる。
熱可塑性ポリエステル樹脂組成物中にタルクを含有させると、特に耐トラッキング性を改善できる。特にタルクとして圧縮微粉タルクを用いると、均一分散性が高く、混練作業性、機械的特性を改善できる。
上記のタルクを含む樹脂組成物としては、オレフィン系エラストマーを含むものが好ましい。熱可塑性ポリエステル樹脂、難燃剤、およびタルクと、オレフィン系エラストマーとを組み合わせることで、オレフィン系エラストマーの特性を有効に発現でき、特に強靭性、耐衝撃性等の機械的特性を大幅に改善できる。
上記タルクを含む樹脂組成物は、充填剤を含有するものが好ましい。上記タルクを含む樹脂組成物に含まれる充填剤としては、上記リン系難燃剤を含む樹脂組成物で説明したものと同様のものを挙げることができる。また、使用する充填剤としては、上記リン系難燃剤を含む樹脂組成物の場合と同様にガラス繊維が好ましい。充填剤の好ましい含有量も上記リン系難燃剤を含む樹脂組成物の場合と同様である。
上記タルクを含む樹脂組成物においては、必要に応じて従来公知の難燃助剤を含んでいてもよい。
上記タルクを含む樹脂組成物は、燃焼時のドリッピング防止剤として、また、耐トラッキング性向上剤として、フッ素含有樹脂を併用することが好ましい。フッ素含有樹脂としては、テトラフルオロエチレン重合体等、上記リン系難燃剤を含む樹脂組成物と同様のものを用いることができる。
上記タルクを含む樹脂組成物には、エポキシ化合物やカルボジイミド化合物等、上記リン系難燃剤を含む樹脂組成物と同様のものを用いることができる。
本発明の電気自動車部品用成形品は、優れた難燃性および優れた耐トラッキング性を有しつつ、優れた電気絶縁性を有する。
優れた難燃性とは、UL規格94の難燃性レベル「V-0」である。
優れた耐トラッキング性とは、後述する実施例に記載の方法で行った耐トラッキング試験において、試験片にトラッキングが生じる印加電圧が500V以上である。
優れた電気絶縁性とは、実施例に記載のプレッシャークッカー(PCT)試験後の体積抵抗値が1×1015Ω・m以上である。
また本発明の技術を用いることで、優れた耐熱性も示し、例えば180℃、200時間後の加熱処理後でも耐トラッキング試験において500V以上を達成することが可能である。
ポリエステル樹脂1:ポリブチレンテレフタレート樹脂、IV=0.69、末端カルボキシル基量25meq/kg(ウィンテックポリマー社製)
ポリエステル樹脂2:ポリエチレンテレフタレート樹脂、IV=0.76、末端カルボキシル基量21meq/kg(SKケミカル社製)
ポリエステル樹脂3:ポリブチレンテレフタレート樹脂、IV=0.69、末端カルボキシル基量53meq/kg(ウィンテックポリマー社製)
ホスフィン酸塩:ジエチルホスフィン酸アルミニウム、「Exolit OP 1230」、(Clariant社製)
窒素系難燃剤1:メラミンシアヌレート、「Melapure50」、(DSM社製)
窒素系難燃剤2:ポリリン酸メラム、「Melapure200」、(DSM社製)
タルク:圧縮微粉タルク、平均粒径2.7μm(島津製作所製 粒度分布測定器 SA-CP3LにてD50の数値として測定)、かさ比重0.9、「UPN HS-T」、(林化成社製)
充填剤:ガラス繊維、「CS3J948S」、(日東紡績社製)
テトラフルオロエチレン重合体:「PTFE850A」、(三井・デュポンフロロケミカル社製)
臭素化難燃剤1:臭素化ベンジルアクリレート、「FR-1025」、(アイシーエル・アイピー社製)
臭素化難燃剤2:臭素化エポキシ樹脂、「SRT5000」、(坂本薬品社製)
臭素化難燃剤3:臭素化ポリカーボネート、「FG-7500」、(帝人化成社製)
臭素化難燃剤4:臭素化ポリスチレン、「パイロチェック68PB」、(アルベマール日本社製)
リン系難燃剤1:リン酸エステル、「PX-200」、(大八化学社製)
リン系難燃剤2:赤リン、「NVE140」、(燐化学工業社製)
アンチモン系難燃剤:三酸化アンチモン、「PATOX-M」、(日本精鉱社製)
オレフィン系エラストマー:エチレンエチルアクリレート、「NUC-6570」、(日本ユニカー社製)
エポキシ化合物:「エピコート1004」、油化シェルエポキシ社製
カルボジイミド化合物:「スタバックゾールP」、ラインケミージャパン社製
表1、2に示す成分を秤量後ドライブレンドし、30mmφ2軸押出機(「TEX-30」、日本製鋼所製)を用いて溶融混練しペレットを作成した(シリンダー温度260℃、吐出量15kg/h、スクリュー回転数150rpm)。
[成形条件]
シリンダー温度:260℃
金型温度:60℃
射出速度:30mm/s
保圧:70MPa×30s
冷却時間:25s
スクリュー回転数:100rpm
背圧:5MPa
UL94に準拠して、試験片の縦125mm×横13mm×厚み1.6mmで難燃性を評価した。
IEC(International electrotechnical commission)112第3版に準拠して、0.1%塩化アンモニウム水溶液、白金電極を用いて、試験片にトラッキングが生じる印加電圧(V:ボルト)を測定した。耐トラッキング性に関しては、180℃、200時間の熱処理後の試験片、120℃の飽和水蒸気で200時間の加圧加熱処理(下記PCT試験)後の試験片についても測定した。
実施例および比較例で得られた樹脂組成物を用いて、縦50mm×横50mm×厚さ1.6mmの試験片を、120℃、0.2MPa、飽和水蒸気下のプレッシャークッカー試験機に200時間暴露した。
プレッシャークッカー試験後の試験片を、レジスティビティ・チャンバー(主電極:φ50mm、ガード電極:内径φ70mm/外径φ80mm、対向電極:φ103mm)にセットし、これをテスターまたは超高抵抗計にて抵抗値を測定し、体積抵抗率を算出した。なお、体積抵抗値の測定については、上記PCT処理後の試験片についてのみ行った。
Claims (13)
- 末端カルボキシル基量が30meq/kg以下である熱可塑性ポリエステル樹脂および難燃剤を含み、
120℃の飽和水蒸気で200時間の加圧加熱処理後にIEC112第3版に準拠して測定した耐トラッキング性が500V以上であり、
120℃の飽和水蒸気で200時間の加圧加熱処理後に測定した体積抵抗値が1×1015Ω・m以上であることを特徴とする熱可塑性ポリエステル樹脂組成物を成形してなる電気自動車部品用成形品。 - 前記難燃剤がホスフィン酸塩および/またはジホスフィン酸塩であり、熱可塑性ポリエステル樹脂100質量部に対し、10~100質量部含む請求項1記載の電気自動車部品用成形品。
- さらに、前記熱可塑性ポリエステル樹脂100質量部に対し、窒素系難燃剤として、トリアジン系化合物とシアヌール酸もしくはイソシアヌール酸との塩および/またはアミノ基を含有する窒素化合物とポリリン酸との複塩を1~50質量部含む請求項2または3記載の電気自動車部品用成形品。
- さらに、熱可塑性ポリエステル樹脂100質量部に対し、タルクを30~100質量部含む請求項1記載の電気自動車部品用成形品。
- 前記難燃剤が、臭素化難燃剤、リン系難燃剤、アンチモン系難燃剤、窒素系難燃剤からなる群より選択される1種以上である請求項5記載の電気自動車部品用成形品。
- 前記タルクは、平均粒径が0.04~10μm、かさ比重が0.4~1.5である請求項5または6記載の電気自動車部品用成形品。
- さらに、前記熱可塑性ポリエステル樹脂100質量部に対し、オレフィン系エラストマーを5~50質量部含む請求項5から7いずれか記載の電気自動車部品用成形品。
- 前記熱可塑性ポリエステル樹脂が、ポリブチレンテレフタレート樹脂、変性ポリブチレンテレフタレート樹脂、ポリエチレンテレフタレート樹脂、変性ポリエチレンテレフタレート樹脂またはこれらの混合物である請求項1から8いずれか記載の電気自動車部品用成形品。
- さらに、前記熱可塑性ポリエステル樹脂100質量部に対し、充填剤を200質量部以下含む請求項1から9いずれか記載の電気自動車部品用成形品。
- さらに、前記熱可塑性ポリエステル樹脂100質量部に対し、テトラフルオロエチレン重合体を0.1~50質量部含む請求項1から10いずれか記載の電気自動車部品用成形品。
- さらに、前記熱可塑性ポリエステル樹脂100質量部に対し、エポキシ化合物、および/またはカルボジイミド化合物を0.1~10質量部含む請求項1から請求項11いずれか記載の電気自動車部品用成形品。
- 電気自動車用部品を収納するケースである請求項1から12いずれか記載の電気自動車部品用成形品。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201080024667.5A CN102459460B (zh) | 2009-06-03 | 2010-06-02 | 电动汽车部件用成型品 |
US13/375,349 US20120083553A1 (en) | 2009-06-03 | 2010-06-02 | Molded Articles For Electric Vehicle Parts |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009-134505 | 2009-06-03 | ||
JP2009134505A JP5683793B2 (ja) | 2009-06-03 | 2009-06-03 | 電気自動車部品用成形品 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2010140622A1 true WO2010140622A1 (ja) | 2010-12-09 |
Family
ID=43297755
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2010/059355 WO2010140622A1 (ja) | 2009-06-03 | 2010-06-02 | 電気自動車部品用成形品 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20120083553A1 (ja) |
JP (1) | JP5683793B2 (ja) |
CN (1) | CN102459460B (ja) |
WO (1) | WO2010140622A1 (ja) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103562310A (zh) * | 2011-05-30 | 2014-02-05 | 胜技高分子株式会社 | 嵌入成型体 |
EP2727964A1 (en) * | 2011-06-28 | 2014-05-07 | Wintech Polymer Ltd. | Resin molded body |
WO2015064485A1 (ja) * | 2013-10-29 | 2015-05-07 | 東レ株式会社 | 成形材料、その製造方法、およびそれに用いるマスターバッチ |
JP2020019919A (ja) * | 2018-08-03 | 2020-02-06 | ポリプラスチックス株式会社 | 難燃性ポリブチレンテレフタレート樹脂組成物 |
JP2021024877A (ja) * | 2019-07-31 | 2021-02-22 | ポリプラスチックス株式会社 | 難燃性ポリブチレンテレフタレート樹脂組成物 |
WO2021140553A1 (ja) * | 2020-01-07 | 2021-07-15 | ポリプラスチックス株式会社 | 難燃性ポリブチレンテレフタレート樹脂組成物 |
CN115521666A (zh) * | 2022-09-29 | 2022-12-27 | 英德市东顺精细化工实业有限公司 | 一种适用于新能源车的阻燃绝缘底盘装甲 |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5937378B2 (ja) * | 2012-02-24 | 2016-06-22 | 三菱エンジニアリングプラスチックス株式会社 | ポリエステル樹脂組成物成形体 |
KR102070206B1 (ko) | 2012-06-06 | 2020-01-29 | 이 아이 듀폰 디 네모아 앤드 캄파니 | 개선된 절연 저항성을 갖는 무할로겐 난연성 열가소성 엘라스토머 조성물 |
CN109777049A (zh) * | 2012-10-29 | 2019-05-21 | 胜技高分子株式会社 | 聚对苯二甲酸丁二醇酯树脂组合物 |
MY158378A (en) * | 2013-06-13 | 2016-09-26 | Wintech Polymer Ltd | Polybutylene terephthalate resin composition and injection-molded article |
WO2016137878A1 (en) | 2015-02-23 | 2016-09-01 | Sabic Global Technologies B.V. | Electrical tracking resistance compositions, articles formed therefrom, and methods of manufacture thereof |
EP3262119B1 (en) | 2015-02-23 | 2020-09-23 | SABIC Global Technologies B.V. | Electrical tracking resistance compositions, articles formed therefrom, and methods of manufacture thereof |
CN107257826B (zh) * | 2015-02-23 | 2020-07-17 | 沙特基础工业全球技术有限公司 | 耐漏电起痕性组合物、由其形成的制品及其制造方法 |
EP3323854B1 (en) * | 2015-07-16 | 2021-01-27 | Polyplastics Co., Ltd. | Polybutylene terephthalate resin composition |
CN106554605A (zh) * | 2016-11-01 | 2017-04-05 | 常州大学 | 一种磷溴协效高膨胀阻燃pet材料及其制备方法 |
CN108075058A (zh) * | 2016-11-09 | 2018-05-25 | 天成盛(天津)科技有限公司 | 一种灭火和/或阻燃组合物及模块 |
EP3601539A4 (en) * | 2017-03-28 | 2021-01-13 | Zhenglun Zhu | METHODS OF TREATING NEOPLASIC DISEASES |
JP7182396B2 (ja) * | 2018-08-10 | 2022-12-02 | ポリプラスチックス株式会社 | 難燃性ポリブチレンテレフタレート樹脂組成物 |
JP7412352B2 (ja) * | 2019-03-25 | 2024-01-12 | ポリプラスチックス株式会社 | 熱可塑性樹脂の耐トラッキング性向上方法 |
KR20200123687A (ko) | 2019-04-22 | 2020-10-30 | 삼성전자주식회사 | 전지 케이스, 및 전지 |
JP7340422B2 (ja) * | 2019-11-12 | 2023-09-07 | ポリプラスチックス株式会社 | 難燃性ポリブチレンテレフタレート樹脂組成物の耐トラッキング性向上方法 |
JP7446090B2 (ja) * | 2019-11-19 | 2024-03-08 | ポリプラスチックス株式会社 | ポリブチレンテレフタレート樹脂組成物の耐トラッキング性向上方法 |
US20230094235A1 (en) * | 2020-02-19 | 2023-03-30 | Toyobo Co., Ltd. | Flame retardant polyester resin composition and molded article comprising same |
JP7213218B2 (ja) * | 2020-11-06 | 2023-01-26 | ポリプラスチックス株式会社 | 難燃性ポリブチレンテレフタレート樹脂組成物及び樹脂成形品 |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08120164A (ja) * | 1994-10-25 | 1996-05-14 | Polyplastics Co | 難燃性ポリエステル樹脂組成物 |
JPH10158487A (ja) * | 1996-11-29 | 1998-06-16 | Polyplastics Co | 難燃性ポリエステル樹脂組成物およびその製造方法 |
JP2003342482A (ja) * | 2002-03-19 | 2003-12-03 | Polyplastics Co | 難燃性樹脂組成物 |
JP2004075867A (ja) * | 2002-08-20 | 2004-03-11 | Toray Ind Inc | 難燃性ポリブチレンテレフタレート樹脂組成物および成形品 |
JP2004277720A (ja) * | 2003-02-28 | 2004-10-07 | Mitsubishi Chemicals Corp | ポリブチレンテレフタレート及びポリブチレンテレフタレート組成物 |
JP2006117722A (ja) * | 2004-10-19 | 2006-05-11 | Wintech Polymer Ltd | 難燃性熱可塑性ポリエステル樹脂組成物 |
JP2008156392A (ja) * | 2006-12-21 | 2008-07-10 | Wintech Polymer Ltd | 難燃性樹脂組成物 |
JP2010111737A (ja) * | 2008-11-05 | 2010-05-20 | Teijin Chem Ltd | 難燃性ポリ乳酸組成物およびその成形品 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2758525B2 (ja) * | 1992-02-12 | 1998-05-28 | ポリプラスチックス株式会社 | 改質ポリエステル |
DE19512407A1 (de) * | 1995-04-03 | 1996-10-10 | Basf Ag | Flammgeschützte thermoplastische Formmassen |
JP3313019B2 (ja) * | 1996-03-14 | 2002-08-12 | ポリプラスチックス株式会社 | 難燃性ポリエステル樹脂組成物 |
JP3617183B2 (ja) * | 1996-05-08 | 2005-02-02 | トヨタ自動車株式会社 | 電気自動車の電源装置 |
JP3281269B2 (ja) * | 1996-09-30 | 2002-05-13 | ポリプラスチックス株式会社 | ポリブチレンテレフタレート樹脂組成物及びその成形品 |
MY117653A (en) * | 1997-06-13 | 2004-07-31 | Polyplastics Co | Flame-retardant thermoplastic polyester resin composition |
DE10130834A1 (de) * | 2001-06-27 | 2003-01-16 | Bayer Ag | Flammgeschützte Polyesterformmassen mit ZnS |
US20060281252A1 (en) * | 2005-06-08 | 2006-12-14 | Marc Oversteyns | Metal interconnect for capacitor |
DE102005032585A1 (de) * | 2005-07-11 | 2007-01-25 | Basf Ag | Verfahren zur Herstellung von Leder |
DE102005033147A1 (de) * | 2005-07-13 | 2007-01-25 | Basf Ag | Fließfähige Thermoplaste mit Halogenflammschutz |
JP5168812B2 (ja) * | 2006-04-13 | 2013-03-27 | 三菱エンジニアリングプラスチックス株式会社 | 熱可塑性樹脂組成物および樹脂成形品 |
-
2009
- 2009-06-03 JP JP2009134505A patent/JP5683793B2/ja active Active
-
2010
- 2010-06-02 US US13/375,349 patent/US20120083553A1/en not_active Abandoned
- 2010-06-02 CN CN201080024667.5A patent/CN102459460B/zh active Active
- 2010-06-02 WO PCT/JP2010/059355 patent/WO2010140622A1/ja active Application Filing
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08120164A (ja) * | 1994-10-25 | 1996-05-14 | Polyplastics Co | 難燃性ポリエステル樹脂組成物 |
JPH10158487A (ja) * | 1996-11-29 | 1998-06-16 | Polyplastics Co | 難燃性ポリエステル樹脂組成物およびその製造方法 |
JP2003342482A (ja) * | 2002-03-19 | 2003-12-03 | Polyplastics Co | 難燃性樹脂組成物 |
JP2004075867A (ja) * | 2002-08-20 | 2004-03-11 | Toray Ind Inc | 難燃性ポリブチレンテレフタレート樹脂組成物および成形品 |
JP2004277720A (ja) * | 2003-02-28 | 2004-10-07 | Mitsubishi Chemicals Corp | ポリブチレンテレフタレート及びポリブチレンテレフタレート組成物 |
JP2006117722A (ja) * | 2004-10-19 | 2006-05-11 | Wintech Polymer Ltd | 難燃性熱可塑性ポリエステル樹脂組成物 |
JP2008156392A (ja) * | 2006-12-21 | 2008-07-10 | Wintech Polymer Ltd | 難燃性樹脂組成物 |
JP2010111737A (ja) * | 2008-11-05 | 2010-05-20 | Teijin Chem Ltd | 難燃性ポリ乳酸組成物およびその成形品 |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103562310A (zh) * | 2011-05-30 | 2014-02-05 | 胜技高分子株式会社 | 嵌入成型体 |
EP2727964A1 (en) * | 2011-06-28 | 2014-05-07 | Wintech Polymer Ltd. | Resin molded body |
EP2727964A4 (en) * | 2011-06-28 | 2015-03-25 | Wintech Polymer Ltd | RESIN MOLDING |
WO2015064485A1 (ja) * | 2013-10-29 | 2015-05-07 | 東レ株式会社 | 成形材料、その製造方法、およびそれに用いるマスターバッチ |
US10093802B2 (en) | 2013-10-29 | 2018-10-09 | Toray Industries, Inc. | Molding material, method of producing same, and master batch used in same |
JP2020019919A (ja) * | 2018-08-03 | 2020-02-06 | ポリプラスチックス株式会社 | 難燃性ポリブチレンテレフタレート樹脂組成物 |
JP2021024877A (ja) * | 2019-07-31 | 2021-02-22 | ポリプラスチックス株式会社 | 難燃性ポリブチレンテレフタレート樹脂組成物 |
JP7368976B2 (ja) | 2019-07-31 | 2023-10-25 | ポリプラスチックス株式会社 | 難燃性ポリブチレンテレフタレート樹脂組成物 |
WO2021140553A1 (ja) * | 2020-01-07 | 2021-07-15 | ポリプラスチックス株式会社 | 難燃性ポリブチレンテレフタレート樹脂組成物 |
CN115521666A (zh) * | 2022-09-29 | 2022-12-27 | 英德市东顺精细化工实业有限公司 | 一种适用于新能源车的阻燃绝缘底盘装甲 |
Also Published As
Publication number | Publication date |
---|---|
US20120083553A1 (en) | 2012-04-05 |
JP5683793B2 (ja) | 2015-03-11 |
JP2010280793A (ja) | 2010-12-16 |
CN102459460A (zh) | 2012-05-16 |
CN102459460B (zh) | 2016-08-17 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP5683793B2 (ja) | 電気自動車部品用成形品 | |
JP5805080B2 (ja) | ポリブチレンテレフタレート樹脂組成物 | |
EP1697451B1 (en) | Flame-retardant polyester composition | |
KR102157130B1 (ko) | 열가소성 폴리에스테르 수지 조성물 및 성형품 | |
WO2004029154A1 (ja) | 難燃性ポリブチレンテレフタレート樹脂組成物および成形品 | |
CN110121525B (zh) | 阻燃聚酯组合物 | |
WO2004085537A1 (ja) | 難燃性合成樹脂組成物 | |
CN115023467B (zh) | 热塑性聚酯树脂组合物及成型品 | |
EP2115070A1 (en) | Flame retardant thermoplastic polyester resin composition | |
CN110691819B (zh) | 热塑性聚酯树脂组合物及其成型品 | |
JP2010037375A (ja) | 難燃性熱可塑性ポリエステル樹脂組成物および成形品 | |
JPWO2002028943A1 (ja) | 難燃性強化ポリアミド樹脂組成物 | |
JP4810743B2 (ja) | 難燃性樹脂組成物 | |
JPH06157880A (ja) | ポリアルキレンテレフタレート系難燃性樹脂組成物 | |
JP4307882B2 (ja) | 難燃性ポリアミド樹脂組成物 | |
JP6904173B2 (ja) | 熱可塑性ポリエステル樹脂組成物および成形品 | |
JP6822163B2 (ja) | 熱可塑性ポリエステル樹脂組成物および成形品 | |
WO2011132655A1 (ja) | ポリブチレンテレフタレート樹脂組成物及びポリブチレンテレフタレート樹脂組成物の製造方法 | |
JP4209164B2 (ja) | 難燃性ポリアミド樹脂組成物 | |
JP2006057037A (ja) | 難燃性ポリエステル系樹脂組成物 | |
JP2021014478A (ja) | 熱可塑性ポリエステル樹脂組成物および成形品 | |
JP7327703B1 (ja) | 熱可塑性ポリエステル樹脂組成物、熱可塑性ポリエステル樹脂組成物の製造方法および成形品 | |
JP2006117721A (ja) | 難燃性熱可塑性ポリエステル樹脂組成物 | |
JP2000248162A (ja) | 難燃性樹脂組成物 | |
JPH11106618A (ja) | 難燃性樹脂組成物 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
WWE | Wipo information: entry into national phase |
Ref document number: 201080024667.5 Country of ref document: CN |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 10783404 Country of ref document: EP Kind code of ref document: A1 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 13375349 Country of ref document: US |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 10783404 Country of ref document: EP Kind code of ref document: A1 |