JPH10147699A - Flame retardant resin composition - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain the subject composition, capable of manifesting excellent surface appearance and mechanical strength and preventing the drip when burned and useful for electrical and electronic machinery and apparatus parts, etc., by using a phosphoric ester-based flame retardant and a polyphenylene ether-based resin in combination. SOLUTION: This flame retardant resin composition comprises (B) 3-70 pts.wt. phosphoric ester-based compound such as a compound of the formula [R<1> to R<4> are each H or an organic group and all of R<1> to R<4> are not simultaneously H; X is a bivalent organic group; (p) is 0 or 1; (q)>=1; (r)>=0] and (C) 5-300 pts.wt. inorganic filler based on (A) 100 pts.wt. resin mixture of (A1 ) 99-40 pts.wt. polyester-based resin [e.g. a resin composed of 95-5 pts.wt. polyethylene terephthalate and 5-95 pts.wt. polybutylene terephthalate] with (A2 ) 1-60 pts.wt. polyphenylene ether-based resin.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a polyester resin composition which exhibits excellent flame retardancy without using a halogen flame retardant. The present invention also relates to a molded product obtained by molding the same, and more specifically, a case member such as a motor cover, a transformer member, a connector, a switch,
The present invention relates to the molded product that can be suitably used for applications such as electric parts, electronic parts such as relays, printed circuit boards, and coil bobbins, automobile parts, and mechanical parts.

[0002]

As a method for making a polyester resin flame-retardant, a halogen-based flame retardant has been used in the past. However, in recent years, non-halogen-based flame retardants have been used in view of environmental problems and gas during combustion. There is a demand from the market for a flame retardant method using a flame retardant.

[0003] As such a flame retarding method, for example, a method using a phosphoric ester has been proposed (Japanese Patent Publication No. Sho 6 (1988)).
No. 2-25706). However, in these methods, even if the burning time is shortened, dripping occurs easily during burning, and the flame retardancy is still insufficient.

[0004] As described above, a non-halogen flame retardant which sufficiently satisfies the requirements of the market has not yet been found.

Accordingly, an object of the present invention is to provide a polyester resin composition exhibiting excellent flame retardancy without using a halogen flame retardant, and a molded product thereof. In the present invention, particularly, an object of the present invention is to provide an inorganic filler-reinforced flame-retardant polyester resin composition which is excellent in the effect of suppressing drip by a non-halogen flame retardant formulation, has a high surface strength and a high mechanical strength, and has a high surface strength. I do.

[0006]

Means for Solving the Problems The present inventors have found that when a phosphate ester compound is used as a flame retardant in a polyester resin, the use of a polyphenylene ether resin in combination further enhances the drip prevention effect. And arrived at the present invention.

That is, the present invention relates to (A) 99 to 40 parts by weight of a polyester resin, (B) 1 to 60 parts by weight of a polyphenylene ether resin, and (A) and (B) a total of 100 parts by weight. (C) 3 to 70 parts by weight of a phosphate compound and (D) an inorganic filler 5
A resin composition comprising about 300 parts by weight.

[0008]

DETAILED DESCRIPTION OF THE INVENTION The component (A) polyester resin used in the present invention is known per se, and is, for example, a polyester of a diol (or an ester-forming derivative thereof) and a dicarboxylic acid (or an ester-forming derivative thereof). Can be used. As the diol component and the dicarboxylic acid component, the compounds described below may be used alone or in combination of two or more. Further, a compound having a hydroxyl group and a carboxylic acid group in one molecule such as lactone may be combined.

The diol component includes, for example, ethylene glycol, 1,2-propanediol, 1,3-propanediol, 1,4-butanediol, 2,3-butanediol, 1,6-hexanediol, Examples thereof include aliphatic diols having 2 to 15 carbon atoms such as 8-octanediol, neopentyl glycol, 1,10-decanediol, diethylene glycol, and triethylene glycol. Preferred aliphatic diols are ethylene glycol, 1,4-butanediol.

In addition, 1,2-cyclohexanediol, 1,4-
Alicyclic diols such as cyclohexanediol and 1,4-cyclohexanedimethanol can be used. These alicyclic diols can be used in either the cis or trans configuration, or as a mixture of both. A preferred cycloaliphatic diol is 1,4-cyclohexanedimethanol.

Furthermore, aromatic dihydric phenols such as resorcinol, hydroquinone and naphthalene diol, polyglycols such as polyethylene glycol having a molecular weight of 400 to 6000, polypropylene glycol and polytetramethylene glycol, and bisphenol A such as bisphenol A are disclosed in JP-A-3-203956.
It is also possible to use bisphenols described in the above item. The diol component may be a diester such as diacetate or dipropionate.

The dicarboxylic acid component includes isophthalic acid, terephthalic acid, orthophthalic acid, 2,2′-biphenyldicarboxylic acid, 3,3′-biphenyldicarboxylic acid, and 4,4′-
Biphenyl dicarboxylic acid, 4,4'-diphenyl ether dicarboxylic acid, 1,5-naphthalenedicarboxylic acid, 1,4-naphthalenedicarboxylic acid, 2,6-naphthalenedicarboxylic acid and 1,2-
Aromatic dicarboxylic acids such as di (4-carboxyphenyl) ethane; aliphatic and alicyclic such as adipic acid, succinic acid, oxalic acid, malonic acid, suberic acid, azelaic acid, sebacic acid, decanedicarboxylic acid and cyclohexanedicarboxylic acid Examples thereof include dicarboxylic acids. The acid component may be an ester derivative, and examples thereof include alkyl esters such as methyl and ethyl, and aryl esters such as phenyl and cresyl.

[0013] Preferred dicarboxylic acids are terephthalic acid and naphthalenedicarboxylic acid.

[0014] Examples of the lactone include caprolactone.

[0015] Such a polyester resin can be produced by a known method. The catalyst used in this case may be any of ordinary catalysts, for example, an antimony compound, a titanium compound, a tin compound, a germanium compound, or the like, but preferably, an antimony compound, a titanium compound which can reduce the amount of catalyst to be added. Catalysts having no volatility, such as tin and tin compounds, are preferred.

A preferred polyester resin is a polyester of an aromatic dicarboxylic acid and an alkylene glycol. Specifically, polyethylene terephthalate, polybutylene terephthalate, polyethylene naphthalate, poly 1,4-cyclohexylene methylene terephthalate, poly (1,4-cyclohexylene methylene terephthalate-co-isophthalate), poly (1,4- Butylene terephthalate-co-isophthalate) and poly (ethylene-co-
-1,4-cyclohexylenemethylene terephthalate). As the component (A), a single polyester resin may be used, or a combination of two or more polyester resins may be used. Among them, it is particularly preferable to use a combination of polyethylene terephthalate (PET) and polybutylene terephthalate (PBT) as the component (A). Particularly preferably, PET is used as the component (A).
5 to 95 parts by weight of PBT are used for 95 to 5 parts by weight.

The component (B) polyphenylene ether (hereinafter abbreviated as PPE) resin used in the present invention is known per se and has the following formula (I):

[0018]

Embedded image (Wherein, R ₅ , R ₆ , R ₇ and R ₈ are each independently selected from a hydrogen atom, a halogen atom, a hydrocarbon group and a substituted hydrocarbon group (eg, a halogenated hydrocarbon group)) It is a homopolymer and / or copolymer composed of units.

Specific examples of the polymer include poly (2,6-dimethyl-1,4-phenylene) ether, poly (2,6-diethyl-1,4-phenylene) ether and poly (2- Methyl-6
-Ethyl-1,4-phenylene) ether, poly (2-methyl-6-propyl-1,4-phenylene) ether, poly
(2,6-dipropyl-1,4-phenylene) ether, poly (2-ethyl-6-propyl-1,4-phenylene) ether, poly (2,6-dimethoxy-1,4-phenylene) ) Ether, poly (2,6-dichloromethyl-1,4-phenylene) ether, poly (2,6-dibromomethyl-1,4-phenylene) ether, poly (2,6-diphenyl) -1,4-phenylene) ether, poly (2,6-ditolyl-1,4-phenylene) ether, poly (2,6-dichloro-1,4-phenylene) ether, poly (2 , 6-dibenzyl-1,4-phenylene) ether, poly (2,5-dimethyl-1,4-phenylene) ether and the like. Particularly preferred PPE resin is poly (2,6-dimethyl-1,4-phenylene)
Tell. Examples of the polyphenylene ether copolymer include copolymers in which the above-mentioned polyphenylene ether repeating unit partially contains an alkyl trisubstituted phenol such as 2,3,6-trimethylphenol. . Further, a copolymer in which a styrene compound is grafted on these polyphenylene ethers may be used. As the styrene-based compound-grafted polyphenylene ether, the above-mentioned polyphenylene ether is used as a styrene-based compound, for example, styrene, α-methylstyrene, vinyltoluene,
Copolymers obtained by graft polymerization of chlorostyrene and the like are included.

The method for producing such PPE is known and is not particularly limited. For example, U.S. Patent No. 3,306,874, U.S. Patent No. 3,306,875, U.S. Patent No. 3,257,357, U.S. Patent No. 3,257,358, and JP-B-52-17880,
It can be easily produced by the method described in US Pat.

The PPE resin used in the present invention has an intrinsic viscosity of preferably 0.15 to 0.70 dl / g, particularly preferably 0.25 to 0.60 dl / g measured at 30 ° C. using chloroform as a solvent.
dl / g. A PPE-based resin having an intrinsic viscosity of less than 0.15 dl / g tends to have a brittle composition and low mechanical strength. On the other hand, if it exceeds 0.70 dl / g, the moldability tends to deteriorate, and it is necessary to increase the molding temperature.

In the present invention, component (B) acts as a drip inhibitor and a stiffness improver.

The above component (B) is used in an amount of 1 to 60 parts by weight based on 99 to 40 parts by weight of the polyester resin of the component (A). Preferably, it is used in an amount of 3 to 60 parts by weight based on 97 to 40 parts by weight of the component (A), and more preferably 5 to 50 parts by weight based on 95 to 50 parts by weight of the component (A). If the amount of the component (B) is less than the above range, the effects of the present invention cannot be sufficiently exhibited, and in particular, the drip suppressing effect cannot be sufficiently exhibited. If it exceeds the above range, the chemical resistance is impaired.

In the present invention, a compatibilizing agent for the component (A) and the component (B) can be used. The compatibilizer is preferably an AB block copolymer. here
A is a polymer or oligomer having good compatibility with component (A) and / or component (A), and B is a polymer or oligomer having good compatibility with component (B) and / or component (B). The intermediate may be melt-kneaded together with the composition of the present invention to prepare this block copolymer.

Examples of the intermediate include the following. Component (B) containing a functional group (eg, epoxy group, oxazolinyl group, hydroxyl group, amino group, carboxylic acid (anhydride) group, orthoester group, imide group, etc.) reactive with component (A) in the molecular structure ) And / or a polymer or oligomer compatible with component (B) containing such a functional group in its molecular structure, a functional group reactive with component (B) (eg, a double bond, a triple bond, an acid). A polymer or oligomer having a compatibility with the component (A) containing a chloride group or the like in the molecular structure and / or the component (A) containing such a functional group in the molecular structure, a functional group reactive with the component (A). Compounds having a group and a functional group reactive with the component (B) in the same molecule can be given. Further, a material such as a polycarbonate resin, that is, a polymer present at the interface between the components (A) and (B) is also included as the compatibilizer.

Next, the component (C) phosphate compound used in the present invention includes the following formula (II):

[0027]

Embedded image (Where R ¹ , R ² , R ³ and R ⁴ each independently represent a hydrogen atom or an organic group, but R ¹ = R ² = R
³ = except when R ⁴ = H. X represents a divalent or higher valent organic group, p is 0 or 1, and q is 1 or more, for example, 30
The following integer, r represents an integer of 0 or more. )). However, it is not limited to these.

In the above formula (II), examples of the organic group include an alkyl group which may or may not be substituted, a cycloalkyl group and an aryl group. When substituted, examples of the substituent include an alkyl group, an alkoxy group, an alkylthio group, a halogen, an aryl group,
Examples thereof include an aryloxy group, an arylthio group, and a halogenated aryl group. A group obtained by combining these substituents (for example, an arylalkoxyalkyl group) or such a substituent is replaced with an oxygen atom, a sulfur atom, a nitrogen atom, or the like. (For example, an arylsulfonylaryl group, etc.) may be used as a substituent. Also,
The divalent or higher valent organic group means a divalent or higher valent group formed by removing one or more hydrogen atoms bonded to a carbon atom from the above organic group. Examples include alkylene groups, and preferably (substituted) phenylene groups, those derived from polynuclear phenols, such as bisphenols, and the relative positions of two or more free valences are arbitrary. Particularly preferred are bisphenol A, hydroquinone, resorcinol, diphenylolmethane, diphenyloldimethylmethane, dihydroxydiphenyl, p, p'-dihydroxydiphenylsulfone, dihydroxynaphthalene and the like.

Specific examples of the phosphate compound include trimethyl phosphate, triethyl phosphate, tributyl phosphate, trioctyl phosphate, tributoxyethyl phosphate, triphenyl phosphate, tricresyl phosphate, cresyl phenyl phosphate, octyl. Diphenyl phosphate, diisopropylphenyl phosphate, tris (chloroethyl) phosphate, tris (dichloropropyl) phosphate, tris (chloropropyl) phosphate, bis (2,3-dibromopropyl) -2,3-dichloropropylphosphate, tris (2,3 -Dibromopropyl)
Phosphate, and bis (chloropropyl) monooctyl phosphate, OR ¹ , OR ² , OR ³ and OR
Bisphenol A bisphosphate, hydroquinone bisphosphate, resorcin bisphosphate, trioxybenzene triphosphate and the like, wherein ⁴ is alkoxy such as methoxy, ethoxy and propoxy, or preferably (substituted) phenoxy such as phenoxy, methyl (substituted) phenoxy Polyphosphates may be mentioned, preferably triphenyl phosphate and various polyphosphates. When component (C) is liquid,
The component (C) can be added in the middle of the extruder by a method such as liquid injection.

The component (C) is used in an amount of 3 to 70 parts by weight, preferably 5 to 60 parts by weight, based on 100 parts by weight of the total of the components (A) and (B). If the amount of the component (C) is less than the above range, the effects of the present invention will not be sufficiently exhibited, and if it is more than the above range, heat resistance will be impaired.

The resin composition of the present invention comprises (D) an inorganic filler based on 100 parts by weight of the total of (A) and (B).
5 to 300 parts by weight, preferably 10 to 250 parts by weight. If the amount of the inorganic filler is too small, the mechanical strength of the resin composition decreases, and if the amount is too large, strand breakage or the like occurs, resulting in poor productivity. Examples of the inorganic filler include glass fiber, carbon fiber, milled glass, glass beads, glass flake, talc, clay, silica, mica, wollastonite, and barium sulfate.

It is preferable that the resin composition of the present invention further optionally contains (E) a specific stabilizer. Such stabilizers are selected, for example, from the group consisting of phosphites, acid phosphates, salts of polyphosphoric acids, phosphates of metals of group IB or IIB of the periodic table and oxo acids of phosphorus.
(E) The stabilizer is preferably 0.001 to 10 parts by weight, more preferably 0.01 to 5 parts by weight, and still more preferably 0.1 to 10 parts by weight, based on 100 parts by weight in total of (A) and (B).
0.5 to 2 parts by weight.

Examples of the phosphite include triphenyl phosphite, diphenyl nonyl phosphite, tris- (2,4-di-t-butylphenyl) phosphite, tris nonyl phenyl phosphite, diphenyl isooctyl phosphite, 2'-methylenebis (4,6-di-t-butylphenyl) octyl phosphite, diphenyl isodecyl phosphite, diphenyl mono (tridecyl) phosphite, 2,2'-ethylidene bis (4,6-di-t- Butylphenol) fluorophosphite, phenyldiisodecylphosphite, phenyldi (tridecyl) phosphite, tris (2-ethylhexyl) phosphite, tris (isodecyl) phosphite, tris (tridecyl) phosphite, dibutylhydrogenphosphite, trilauryltrithiophos Fight, Tetrakis (2,4-di -t
-Butylphenyl) -4,4'-biphenylenediphosphonite, 4,4'-isopropylidenediphenolalkyl (C
₁₂ -C ₁₅₎ phosphite, 4,4'-butylidene bis (3-methyl -6-t-butylphenyl) di - tridecyl phosphite, bis (2,4-di -t- butyl-phenyl) pentaerythritol diphosphite Phytite, bis (2,6-di-t-butyl-4-methylphenyl) pentaerythritol diphosphite,
Bis (nonylphenyl) pentaerythritol diphosphite, distearyl-pentaerythritol diphosphite, phenyl-bisphenol A pentaerythritol diphosphite, tetraphenyldipropylene glycol diphosphite, 1,1,3-tris (2-methyl -Four-
Di-tridecylphosphite-5-t-butylphenyl) butane, 3,4,5,6-tetrabenzo-1,2-oxaphosphane-2
-Oxides etc. can be used. These phosphites
As the antioxidant, a compound commercially available from each stabilizer manufacturer can be used. As an example of a commercial product,
ADK STAB PEP-36, PEP-24, PEP-
4C, PEP-8 (manufactured by Asahi Denka Co., Ltd.), Irgafos168 (trademark:
Ciba Geigy), Sandstab P-EPQ (trademark: Sandoz), Chelex L (trademark: Sakai Chemical Industry Co., Ltd.), 3P2S (trademark: Ihara Chemical Industry Co., Ltd.), Mark 329K (trademark) : Asahi Denka Kogyo Co., Ltd.), Mark P (same as above), Weston 618 (trademark:
And phosphorus-based stabilizers (manufactured by Sanko Chemical Co., Ltd.).

The acidic phosphate includes, for example, sodium dihydrogen phosphate, monozinc phosphate, potassium hydrogen phosphate, calcium hydrogen phosphate and the like.

Polyphosphoric acid is a condensed phosphoric acid,
Phosphoric acid dimer (pyrophosphoric acid), trimer (tripolyphosphoric acid) and the like can be mentioned. Such salts include, for example, pyrophosphates such as Na ₃ HP ₂ O ₇ , K ₂ H ₂ P ₂ O
₇ , Na ₄ P ₂ O ₇ , KNaH ₂ P ₂ O ₇ , Na ₂ H ₂
P ₂ O _{7 and the} like. The particle size of such pyrophosphate is preferably less than 75 microns, more preferably less than 50 microns, and even more preferably less than 20 microns.

Examples of the phosphate of a metal of Group IB or IIB of the periodic table include zinc phosphate and copper phosphate.

The oxo acids of phosphorus include phosphorous acid, phosphoric acid, polyphosphoric acid and hypophosphorous acid.

The resin composition of the present invention further comprises, in addition to the above-mentioned stabilizer, BHT (trade name: manufactured by Takeda Pharmaceutical Co., Ltd.), Iono
x100 (trademark: Shell Chemical Co., Ltd.), Age Rite Superlite
(Trademark: Vander bilt), Santonox R (trademark: Monsanto), Antioxidant ZKF (trademark: Bayer), Irgano
x 1076 (trademark: Ciba-Geigy), HYoechst VPOSPI
(Trademark: manufactured by Hoechst), Irganox 1010 (trademark: manufactured by Ciba-Geigy) and the like. In addition, other epoxy, thiol,
Stabilizers such as metal salts can also be used. Furthermore, Cy
asorb UV-5411 (trademark: ACC), Cyasorb UV-531 (trademark: ACC), Tinuvin 326 (trademark: Ciba-Geigy), Tinuvin 320 (same as above), Tinuvin 234 (same as before), Tinuv
In 120 (same as above), UV absorbers such as triazoles such as Uvinul D49 (trade name: manufactured by GAF) can be used.

Further, the resin composition of the present invention may be any of various resins (polyphenylene sulfide resin, polycarbonate resin, polyetherimide resin, styrene resin, styrene-acrylonitrile copolymer) as long as the gist of the present invention is not impaired. Coalescence, PMMA, etc.).

In addition, rubber-like substances (ABS, MBS, SB
S, SEBS, acrylic rubber, silicone rubber, acrylic-silicone rubber (S2001, manufactured by Mitsubishi Rayon Co., Ltd.)
Etc.) may be added.

As a flame retardant, a halogen type, for example,
It is also possible to further add a brominated polycarbonate, a brominated polycarbonate oligomer, a brominated epoxy, and the like.

As the anti-drip agent, polytetrafluoroethylene (Teflon) or the like can be used.

In addition, a silicon compound can be used for the purpose of further improving the flame retardancy.

The resin composition of the present invention may further contain a colorant such as a pigment or a dye, a release agent such as silicone oil, a low molecular weight polyolefin, and an alkyl ester such as pentaerythritol tetrastearate or glycerin monostearate; Plasticizers such as polycaprolactone and oligomers of polycarbonate; antistatic agents such as salt compounds of sulfonic acid with alkali metals and alkylphosphonium; polyalkylene glycols such as polyethylene oxide and polypropylene oxide; crosslinked polyesters, crosslinked polyamides, and crosslinked polymethyl An organic particulate compound obtained by granulating methacrylate or the like, an infrared absorber, an antibacterial agent, a crystal nucleating agent, or the like may be added.

The method for producing the resin composition of the present invention is not particularly limited, and a usual method can be used. Generally, a melt mixing method is desirable. Examples of the apparatus include an extruder, a Banbury mixer, a roller, a kneader, etc., which are operated batchwise or continuously. The order of mixing the components is not particularly limited.

The molded article of the present invention can be obtained by molding the above-mentioned resin composition of the present invention into an arbitrary shape by using an arbitrary molding method such as injection molding, extrusion molding, blow molding and the like.

Hereinafter, the present invention will be described with reference to examples.
The present invention is not limited to these.

[0048]

EXAMPLES In the examples and comparative examples, the following compounds were used. Component A: (A-1) Polybutylene terephthalate (trademark: Barox 310, manufactured by Nippon GE Plastics Co., Ltd.) (A-2) Polyethylene terephthalate (trademark: Mitui P
ET J025, manufactured by Mitsui Petrochemical Industry Co., Ltd.) Component B: polyphenylene ether resin (trademark: Noryl,
(Intrinsic viscosity measured at 30 ° C. using chloroform as a solvent and manufactured by Nippon GE Plastics Co., Ltd. is 0.46 dl / g) Component C: (C-1) Resorcinol polyphosphate (trademark: CR)
733S, manufactured by Daihachi Chemical Industry Co., Ltd.) (C-2) Bisphenol A polyphosphate (trademark: C
R741, manufactured by Daihachi Chemical Industry Co., Ltd.) (C-3) Triphenyl phosphate (trademark: TPP, manufactured by Daihachi Chemical Industry Co., Ltd.) Component D (D-1) Glass fiber (trademark: MA419C, Asahi Fiberglass (D-2) Talc (trademark: CRS6002, manufactured by Tatsumori Co., Ltd.) Examples 1 to 7 and Comparative Example 1 The components shown in Table 1 were kneaded with a 50 mm twin screw extruder.
The kneading conditions were a cylinder temperature of 260 ° C. and a screw rotation speed of 150 rpm. The obtained kneaded material was dried, and a test plate was prepared using an injection molding machine. The injection molding conditions were a cylinder temperature of 260 ° C., a mold temperature of 60 ° C., and a cooling time of 15 seconds.

The obtained molded product was subjected to the following tests. Table 1 shows the results. (1) Flame retardancy test: Underwriters Laboratories I
nc.), Bulletin 94 “Combustion test for material classification”
(Referred to as UL-94 test). The test piece was tested at a thickness of 1.6 mm. (2) Surface appearance evaluation: The test piece obtained by injection molding was visually observed to check whether or not the surface of the molded product had whitened. The reason why whitening appears in the molded product is not clear, but it is not preferable because it impairs the product value. (3) Flexural modulus: Measured according to ASTM D790.

[0050]

[Table 1] As shown in Table 1, the resin composition of the present invention (Examples 1 to 3)
In 7), dripping during combustion is suppressed by the combination of components (A), (B) and (C), particularly by the addition of component (C), and the flexural modulus is greatly improved. (For example, comparison between Example 2 and Comparative Example 1). this is,
A surprising effect.

In particular, in component (A), PBT and P
It can be seen that when ET is combined, a resin composition having excellent drip-free, short burning time, excellent flame retardancy, excellent surface appearance without surface whitening, and high mechanical strength can be obtained (Examples). 1-5).

[0052]

The resin composition of the present invention is excellent in balance of flame retardancy, surface appearance, and flexural modulus, so that case members such as motor covers, transformer members, connectors, switches, relays, printed circuit boards, coil bobbins, etc. It is suitable as a molding material for molded articles such as electric, electronic equipment parts, automobile parts, and machine parts.

──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. ⁶ Identification code FI C08K 7:14 5: 521)

Claims (4)

[Claims] (1) 99 to 40 parts by weight of a polyester resin (A) and 1 to 6 of a polyphenylene ether resin (B)
0 parts by weight, and 100 parts by weight of the total of (A) and (B), the (C) phosphate compound 3 to 70 parts
A resin composition comprising parts by weight and (D) 5 to 300 parts by weight of an inorganic filler. 2. The method according to claim 1, wherein the component (A) polyester resin is (A-
1) 95 to 5 parts by weight of polybutylene terephthalate resin and (A-2) 5 to 95 polyethylene terephthalate resin
The resin composition according to claim 1, which is a combination of parts by weight. 3. A polyphenylene ether resin (B) based on 97 to 40 parts by weight of a polyester resin (A).
The resin composition according to claim 1, wherein the content of the resin composition is about 60 parts by weight. 4. A molded article obtained by molding the resin composition according to claim 1.