JPH0657135A - Flame-retarding resin composition - Google Patents

Abstract

(57) [Summary] [Object] To provide a flame-retardant resin composition comprising polyarylene sulfide and polyphenylene ether, which has excellent mechanical properties. [Structure] A resin composition comprising (A) polyarylene sulfide, (B) polyphenylene ether, and (C) organic phosphorus compound.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a flame-retardant resin composition, and more particularly to a thermoplastic flame-retardant resin composition containing polyarylene sulfide and polyphenylene ether as main components and having excellent mechanical properties.

[0002]

2. Description of the Related Art Polyarylene sulfide represented by polyphenylene sulfide is one of the resins classified into heat resistant resins, and has high continuous use temperature and high rigidity, and high melt fluidity, It has features such as flame retardancy and excellent solvent resistance,
Widely used as various molded products and films. However, the polyarylene sulfide has a drawback that burrs are generated during injection molding and a drawback that mechanical strength, especially impact strength is low, which is a major obstacle to further expansion of applications.

As one of the methods for improving the drawbacks of polyarylene sulfide, it is considered to blend polyarylene sulfide with polyphenylene ether, which is a resin having excellent mechanical and electrical properties and high heat distortion resistance. Already, a resin composition comprising polyarylene sulfide and polyphenylene ether (Japanese Patent Publication No. 56-
No. 34032) has been proposed.

In general, since polyphenylene ether and polyarylene sulfide have a low affinity for each other, various compatibilizing techniques are used when blending the two. As such a resin composition, polyphenylene ether and crystalline heat are used. A resin composition comprising a plastic resin and a compatibilizer (Japanese Patent Laid-Open No. 63-183954), a polyphenylene ether, a polyarylene sulfide, and a polymer mixture comprising a compatibilizing agent used in a polyphenylene ether-polyamide polymer mixture (Japanese Patent Laid-Open No. Hei 10 (1999) -242242). Two
No. 36261), a polyphenylene sulfide, a polyphenylene ether, and a resin composition comprising a compound having a specific partial structure (EP0368413A2), a modified polyphenylene ether modified by an unsaturated carboxylic acid or an unsaturated carboxylic acid anhydride, and a polyphenylene sulfide. And a resin composition comprising a polyisocyanate compound, or polyphenylene ether,
A resin composition comprising a polyphenylene sulfide, a modifier which is an unsaturated carboxylic acid or an unsaturated carboxylic acid anhydride, and a polyisocyanate compound (JP-A-2-4902).
No. 3, etc.) are disclosed.

However, although the resin compositions containing polyarylene sulfide and polyphenylene ether as the main components that have hitherto been proposed are satisfactory in terms of mechanical properties or suppression of burr generation, they are not sufficient in terms of flame retardance, and are One of the excellent properties inherent in arylene sulfide is impaired.

As a resin composition aiming at improvement of flame retardance, 1 to 100 parts by weight of a composition comprising polyphenylene sulfide and another thermoplastic resin, an organic flame retardant having a thermogravimetric reduction starting temperature of 260 ° C. or higher is used. A resin composition comprising 50 parts by weight (Japanese Patent Laid-Open No. 63-97662) has been proposed. However, although the resin composition is satisfactory in flame retardancy, it has a drawback of low mechanical properties, and is not industrially sufficiently satisfactory.

[0007]

As described above, at present, a resin composition having polyarylene sulfide and polyphenylene ether as main components is not yet excellent in mechanical properties and flame retardancy. The reality is that they are missing. The object of the present invention is to mainly use polyarylene sulfide having characteristics such as heat resistance, solvent resistance, flame retardancy, and melt fluidity, and polyphenylene ether having characteristics such as mechanical properties, electrical properties, and heat distortion resistance. Another object of the present invention is to provide a thermoplastic flame-retardant resin composition having various flame-retardant properties and mechanical properties.

[0008]

Means for Solving the Problems As a result of intensive studies aimed at achieving the above object, the present inventors have found that a specific organophosphorus compound is more specific than other various flame retardants conventionally proposed. It was found that a resin composition having an excellent balance between mechanical properties and flame retardancy was provided, and the present invention was completed.

That is, the present invention relates to (A) polyarylene sulfide, (B) polyphenylene ether, a flame retardant effective amount of (C) organic phosphorus compound, optionally (D) elastomer, and optionally (E) filler. A flame-retardant resin composition comprising: In the present invention, 0.01 to 10 parts by weight of a compatibilizer (F) is further added to the resin composition per 100 parts by weight of the total amount of the components (A), (B) and (D). The present invention relates to a flame-retardant resin composition.

The polyarylene sulfide (A) in the present invention is a polymer comprising a repeating unit represented by the general formula 1 (wherein Ar represents a divalent aromatic residue).

[0011]

[Chemical 1]

Examples of Ar include divalent aromatic residues represented by Chemical formulas 2 to 11 and their nuclear substitution products.

[0013]

[Chemical 2]

[0014]

[Chemical 3]

[0015]

[Chemical 4]

[0016]

[Chemical 5]

[0017]

[Chemical 6]

[0018]

[Chemical 7]

[0019]

[Chemical 8]

[0020]

[Chemical 9]

[0021]

[Chemical 10]

[0022]

[Chemical 11]

The polyarylene sulfide of the present invention also includes a polymer containing a small amount of the trifunctional group represented by Chemical formula 12 in addition to these divalent aromatic residues.

[0024]

[Chemical 12]

Specific examples of the polyarylene sulfide represented by the general formula 1 are polyphenylene sulfide,
Examples thereof include poly (1,4-phenylenecarbonyl-1,4-phenylene sulfide), poly (1,4-phenylenesulfonyl-1,4-phenylene sulfide), and poly (biphenylene sulfide). Among these, preferred polyarylene sulfide is polyarylene sulfide containing 50 mol% or more of the repeating unit represented by Chemical formula 13, and more preferred polyarylene sulfide is polyphenylene sulfide. Generally, there are two types of the above-mentioned polyarylene sulfide, a straight-chain type and a cross-linking type including partial cross-linking, but any of them can be used in the present invention.

[0026]

[Chemical 13]

The molecular weight of the polyarylene sulfide (A) is not particularly limited, but in general, the temperature 31 measured by a flow tester, a capillary rheometer, etc.
The melt viscosity at 6 ° C. and a shear rate of 1000 sec ⁻¹ is 50 to 50000 poise, preferably 200 to 2
0000 poise, more preferably 500 to 2000 poise is used. Further, when expressed as a weight average molecular weight corresponding to polystyrene in GPC measured at 210 ° C. using 1-chloronaphthalene as a mobile phase, the value is 10,000 to 100,000, preferably 20,000 to
80,000 are used. At this time, the ratio of the weight average molecular weight to the number average molecular weight is 2 to 10.

The polyarylene sulfide (A) can be produced, for example, by reacting a polyhalogenated aromatic compound with a sulfur source such as alkali sulfide in an organic polar solvent (US Pat. No. 2,513,188, US). Patent No. 4
No. 038261, JP-B-44-27671), a method aiming at the production of a linear polyarylene sulfide in which a carboxylic acid salt or the like is further added to the reaction system (JP-B-52-12240, JP-A-52-12240). 51-144
497, Japanese Patent Application Laid-Open No. 58-29822, Japanese Patent Publication No. 53-25880, etc.).

The polyphenylene ether (B) in the present invention is a polymer having a repeating unit represented by the general formula (14).

[0030]

[Chemical 14]

In the general formula 14, R ¹ , R ² , R ³
And R ⁴ represent the same or different groups selected from the group consisting of hydrogen atom, halogen atom, hydrocarbon group, substituted hydrocarbon group, hydrocarbon oxy group and substituted hydrocarbon oxy group. Examples of the substituent in the substituted hydrocarbon group and the substituted hydrocarbon oxy group include a halogen atom, a hydroxyl group, an amino group, a nitro group, a cyano group, a carboxyl group,
Examples thereof include thermally stable groups such as amide group, ether group, sulfide group and sulfone group.

Specific examples of the polyphenylene ether having a repeating unit represented by the general formula 14 include poly (2,6-dimethyl-1,4-phenylene ether),
Poly (2,6-diethyl-1,4-phenylene ether), 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-butyl-) 1,4-phenylene ether),
Poly (2,6-dipropenyl-1,4-phenylene ether), poly (2,6-dilauryl-1,4-phenylene ether), poly (2,6-diphenyl-1,4-phenylene ether), poly ( 2,6-dimethoxy-1,
4-phenylene ether), poly (2,6-diethoxy-1,4-phenylene ether), poly (2-methoxy-6-ethoxy-1,4-phenylene ether), poly (2-ethyl-6-stearyloxy) -1,4-phenylene ether), poly (2-methyl-6-phenyl-)
1,4-phenylene ether), poly (2-methyl-)
1,4-phenylene ether), poly (2-ethoxy-
1,4-phenylene ether), poly (2-chloro-
1,4-phenylene ether), poly (3-methyl-6)
-T-butyl-1,4-phenylene ether), poly (2,6-dichloro-1,4-phenylene ether),
Poly (2,5-dibromo-1,4-phenylene ether), poly (2,6-dibenzyl-1,4-phenylene ether), and various copolymers containing plural kinds of repeating units constituting these polymers Can be mentioned.
Some of the copolymers are 2,3,6-trimethylphenol,
It also includes a copolymer of polysubstituted phenol such as 2,3,5,6-tetramethylphenol and 2,6-dimethylphenol.

The polyphenylene ether (B) referred to in the present invention includes those obtained by graft-modifying the above polyphenylene ether with a styrene-based monomer such as styrene or α-methylstyrene. Among these polyphenylene ethers, preferred polyphenylene ethers are poly (2,6-dimethyl-1,4-phenylene ether) and 2,6-dimethylphenol and 2,2.
It is a copolymer with 3,6-trimethylphenol.

The molecular weight of the polyphenylene ether which can be used in the present invention is not defined unconditionally because its preferred range varies depending on the purpose, but it is generally expressed by the intrinsic viscosity measured in chloroform at 30 ° C. , Preferably 0.1 to 0.7 dl / g, more preferably 0.2 to 0.6 dl / g.

A method for producing such polyphenylene ether is described in, for example, US Pat. Nos. 3,306,874 and 330.
No. 6875, No. 3257357, Japanese Patent Publication No. 52-17880, Japanese Patent Application Laid-Open No. 50-51197 and Japanese Patent Application Laid-Open No. 1-304119.

Examples of the organic phosphorus compound (C) in the resin composition of the present invention include phosphines such as trioctylphosphine and triphenylphosphine; phosphine oxides such as trioctylphosphine oxide and triphenylphosphine oxide; trioctyl. Phosphite,
Diphenylphosphite, triphenylphosphite,
Phosphorous esters such as tris-2,4-di-t-butylphosphite, triethylenediphosphite, bis (2,4-di-t-butylphenyl) pentaerythritol diphosphite; tributylphosphate, tributylphosphate Hexyl phosphate, tricyclohexyl phosphate,
Trioctyl phosphate, diphenyl phosphate,
Octyl diphenyl phosphate, triphenyl phosphate, tricresyl phosphate, trixylenyl phosphate, 4-maleimidophenyl-diphenyl phosphate, diphenyl-4-vinylphenyl phosphate, tris (4-maleimido) phenyl phosphate,
Tetraphenylphenylene diphosphate, phosphate obtained from a mixture of isopropylphenol and phenol, benzohydroquinone or bisphenol A
And phosphoric acid esters such as phosphates obtained from a mixture of such a bifunctional phenol with other alcohols or phenols; phosphoric acid amides such as hexamethylphosphoric triamide.

Of these, preferred organic phosphorus compounds are phosphoric acid esters, and more preferred are phosphoric acid esters selected from the group consisting of triphenyl phosphate, tricresyl phosphate and trixylenyl phosphate.

The resin composition of the present invention may optionally contain an elastomer (D). Examples of such elastomers include polybutadiene rubber, polyisoprene rubber, butyl rubber, ethylene-propylene copolymer rubber,
Ethylene-propylene-non-conjugated diene copolymer rubber, butadiene-styrene copolymer rubber, butadiene-acrylonitrile copolymer rubber, hydrogenated and non-hydrogenated styrene-conjugated diene block copolymer rubber, polyester rubber, acrylic rubber , Silicone rubber, and modified products thereof.

Preferred elastomers (D) among these
Is an ethylene-propylene copolymer rubber containing a terpolymer copolymerized with a diene compound and a modified product such as a graft copolymer obtained by graft-copolymerizing an unsaturated monomer such as styrene, ethylene-propylene. -Non-conjugated diene copolymer rubber, and styrene-conjugated diene-based block copolymers such as styrene-isoprene diblock copolymers and styrene-butadiene-styrene triblock copolymers containing hydrogenated products such as partially hydrogenated products It is rubber. A particularly preferred elastomer (D) is a thermoplastic hydrogenated or non-hydrogenated styrene-conjugated diene block copolymer rubber.

The resin composition of the present invention may also optionally contain a filler (E). Examples of such fillers are glass fiber, potassium titanate fiber, rock wool,
Inorganic fibers such as carbon fibers; organic fibers such as aromatic polyamide fibers and polybenzimidazole fibers; stainless fibers,
Metal fibers such as brass fibers and aluminum zinc fibers; glass beads, asbestos, bentonite, wollastonite,
Inorganic compound particles such as mica, talc, clay, calcium carbonate, magnesium hydroxide, barium sulfate, dolomite, silica, aluminosilicate, diatomaceous earth; metal particles such as aluminum flakes and zinc flakes; organic compound particles such as polyimide powder To be Of these fillers, the preferred filler is glass fiber.

The polyarylene sulfide (A), the polyphenylene ether (B), the elastomer (D) and the filler (E) in the resin composition of the present invention are blended in proportions such as heat resistance and fluidity required for the composition. , Impact resistance, rigidity, etc. can be arbitrarily selected according to the purpose and is not particularly limited. Generally, it is expressed based on the total amount of polyarylene sulfide (A), polyphenylene ether (B) and elastomer (D). % Of polyarylene sulfide (A), preferably 30 to 80%, and 8% of polyphenylene ether (B).
It is 0 to 5%, preferably 70 to 20%. Elastomer (D) as an optional component is 0 to 40%, preferably 3 to 30
%, Can be used in the range of. Further, the filler (E) which is also an optional component is in the range of 0 to 200 parts by weight, preferably 5 to 160 parts by weight with respect to 100 parts by weight of the total amount of the components (A), (B) and (D). Can be used.

The mixing ratio of the organophosphorus compound (C) is a ratio sufficient to enhance the flame retardancy of the resin composition, and the numerical value is not particularly limited, but generally the above components (A), (B) and (D). The total amount is 0.1 to 30 parts by weight, preferably 0.5 to 20 parts by weight.

The compatibilizer (F) which may be used in the resin composition of the present invention is a substance which acts to enhance the compatibility of the polyphenylene ether and the polyarylene sulfide, and examples thereof include , Japanese Examined Sho 60-110
Epoxy compounds disclosed in JP-A-63-183954 or JP-A-2-36
Examples of the compatibilizer used for blending the polyphenylene ether and the crystalline thermoplastic resin such as polyamide disclosed in JP-A No. 261 and the like. These specifications are incorporated herein by reference.

Preferred of these compatibilizers are polyisocyanates. Here, polyisocyanates are organic compounds having two or more isocyanate groups and / or isothiocyanate groups in one molecule. Specific examples of such polyisocyanates include m-phenylene diisocyanate, 2,4-toluylene diisocyanate, 2,6-toluylene diisocyanate, 4,4′-diphenylmethane diisocyanate, 4,4′-diphenylpropane diisocyanate,
Naphthylene-1,5-diisocyanate, 3,3'-dimethylbiphenyl-4,4'-diisocyanate, dimethyldiphenylmethane diisocyanate, diphenylether-4,4'-diisocyanate, diphenylsulfone-4,4'-diisocyanate, triphenylmethanetriisocyanate Aromatic polyisocyanates such as isocyanate; Aroaliphatic polyisocyanates such as xylylene diisocyanate; 4,4'-Cyclohexane diisocyanate, Dicyclohexylmethane-4,4'-diisocyanate, Isophorone diisocyanate, 1,12-Dodecane diisocyanate, Hexa Aliphatic polyisocyanates such as methylene diisocyanate and 2,4,4-trimethylhexamethylene diisocyanate, and mixtures thereof, and these It may include compounds having isothiocyanate groups respond. The polyisocyanates of the present invention also include polyisocyanates such as dimers, trimers and the like; carbodiimide-modified types; block-type polyisocyanates modified by masking isocyanate groups with phenols, lactams and the like. .

Among the above polyisocyanates, preferred polyisocyanates are aromatic polyisocyanates and aliphatic polyisocyanates, and more preferred polyisocyanates are 2,4 toluylene diisocyanate and 2,6 toluylene diisocyanate. , 4,
4'-diphenylmethane diisocyanate, 3,3'-dimethylbiphenyl-4,4'-diisocyanate, diphenylether-4,4'-diisocyanate, hexamethylene diisosonate and isophorone diisocyanate, most preferred polyisocyanates are 4'-diphenylmethane diisocyanate and polymethylene polyphenylene polyisocyanate.

When the compatibilizing agent (F) is used in the resin composition of the present invention, as to the proportion of the compound having the effect, the effect is in addition to the kind of the polyarylene sulfide (A) selected. ) And the polyphenylene ether (B) are different depending on the type or composition thereof, etc., so a suitable range cannot be unconditionally determined.
Generally, the compatibilizer (C) is preferably 0.01 to 20 parts by weight, more preferably 0.1 to 10 parts by weight, based on 100 parts by weight of the total amount of the polyphenylene ether (A) and the polyarylene sulfide (B). Department.

As the method for producing the resin composition of the present invention, various conventionally known methods such as solution blending and melt kneading can be adopted, but melt kneading is preferable. As a method of melt-kneading, the above-mentioned components are mixed by a known mixing means used for mixing resins such as a Henschel mixer, a super mixer, a ribbon blender, and a V blender, or a resin and a liquid or solid additive to obtain a uniform mixture. After forming the mixture, a method of kneading the mixture using a kneading means such as a Banbury mixer, a plastomill, a Brabender plastograph, a single-screw or twin-screw extruder can be exemplified. When kneading, the temperature is 150 to 400
C., preferably in the range of 200 to 350.degree.

When the compatibilizer (F) is used, the addition of tertiary amines, quaternary ammonium salts, imidazoles and the like as catalysts for promoting the reaction is not limited at all. .

The resin composition of the present invention may optionally include a wide variety of substances other than those mentioned above. Examples of such other substances include stabilizers, plasticizers, lubricants and the like. Specific examples of the stabilizer include sterically hindered phenols,
Oxalic acid diazides, sterically hindered amines and the like, and specific examples of the lubricant include polyethylene wax, paraffin, long chain fatty acid, long chain fatty acid metal salt and the like. The blending ratio of the other substances can be arbitrarily selected according to the purpose, but if general guidelines for using them are given, polyarylene sulfide (A), polyphenylene ether (B) and elastomer The stabilizer is 20 parts by weight or less, preferably 10 parts by weight or less, and the lubricant is 2 parts by weight or less based on 100 parts by weight of the total amount of (D).

Examples of the use of the resin composition according to the present invention include various cases, frames, connectors, switches, and other mechanical parts in the electric, electronic and OA fields; automobiles,
Magnet flywheels, door mirror stays, lamp reflectors, cylinder head covers, various gears in the vehicle field; various housings in the mechanical field,
Examples include pulleys and handles.

[0051]

The present invention will be described in more detail below with reference to examples, but the scope of the present invention is not limited by the examples. The meanings of the abbreviations used in the following examples and comparative examples are shown below. PPE: poly (2,6-dimethyl-1,2) having an intrinsic viscosity of 0.46 dl / g measured at 30 ° C. in chloroform.
4-phenylene ether). PPS-A: Linear polyphenylene sulfide [Toray
Philippe Petroleum Co., Ltd .: Ryton E18
80]. PPS-B: Cross-linked polyphenylene sulfide [Toray
Philippe Petroleum Co., Ltd .: Ryton M29
00]. cMDI: polymethylene polyphenylene polyisocyanate [Sumitomo Bayer Urethane Co., Ltd .: Sumidule 4
4V20]. TPP: triphenyl phosphate. DPP: diphenyl phosphate. BrPP: Brominated polyphenylene oxide [Great
Lakes Chemical Co., Ltd .: PO-64P]. SEBS: partially hydrogenated styrene-butadiene-styrene triblock copolymer [Shell Chemical: Kraton G16
51]. GF: Glass fiber having a fiber length of 3 mm [Nippon Glass Fiber Co., Ltd.
Made: TP75]. TALC: talc [Hayashi Kasei Co., Ltd .: Micron White 5000E].

The test pieces used for each measurement in the examples were prepared by injection molding using an injection molding machine under the conditions of a molding temperature of 320 to 340 ° C. and a mold temperature of 140 ° C. Izod impact strength is ASTM D for test pieces with a thickness of 3.2 mm
It is a value measured at 23 ° C. according to 256. The flame retardancy is evaluated by subjecting a test piece having a width of 1/2 inch, a length of 5 inches and a thickness of 1/32 inch to Subject 94 (UL 94) of the standard of Underwriters Laboratories in the United States.
Was carried out according to.

Example 1 50 m equipped with supply ports at the upstream end and the center
30 parts by weight of PPE and PPS-from a supply port on the upstream side of an m-diameter twin-screw extruder [TEM-50 manufactured by Toshiba Machine Co., Ltd.]
A mixture of 50 parts by weight of A and a mixture of 20 parts by weight of PPS-A and 5 parts by weight of TPP were continuously supplied from the central supply port while maintaining this ratio, respectively, and the barrel temperature was 320 ° C. I pushed it out. The extruded strand was pelletized to obtain the resin composition of the present invention. Table 1 shows the notched Izod impact strength and flame retardancy of the composition.

Example 2, Comparative Examples 1 and 2 Example 1 except that the component (C) shown in Table 1 was used instead of TPP.
A resin composition was obtained in the same manner as in. The evaluation results of the composition are shown in Table 1.

Example 3 The same operation as in Example 1 was carried out except that the composition supplied from the upstream supply port was a composition composed of 30 parts by weight of PPE, 50 parts by weight of PPS and 3 parts by weight of cMDI,
A resin composition was obtained. Table 1 shows the evaluation results of the composition.
Shown in.

Example 4, Comparative Example 3 The composition supplied from the upstream supply port was a composition composed of 30 parts by weight of PPE, 50 parts by weight of PPS-A and 3 parts by weight of cMDI, and supplied from the center supply port. The composition is 5 parts by weight of PPS-A and the component (C) shown in Table 1.
And Example 1 except that it is a blend consisting of
A resin composition was obtained in the same manner as in. The evaluation results of the composition are shown in Table 1.

Reference Example 1 30 parts by weight of PPE, 70 parts by weight of PPS-B and c
A mixture composed of 3 parts by weight of MDI was continuously fed from the feed port on the upstream side of the twin-screw extruder in Example 1 and extruded under the condition of a barrel temperature of 320 ° C. The extruded strand was pelletized to obtain a pre-kneaded product.

Examples 5 and 6 Comparative Examples 4 and 5 From 100 parts by weight of the preliminary kneaded product obtained in Reference Example 1 using a 65 mm diameter uniaxial extruder, and from the components (C) and (E) shown in Table 2. Was extruded under the conditions of a barrel temperature of 320 ° C. The extruded strand was pelletized to obtain a resin composition. Table 2 shows notched Izod impact strength and flame retardancy of the composition.

[0059]

The resin composition of the present invention thus obtained is extruded by taking advantage of its excellent flame retardancy and impact resistance.
It is molded by various molding methods such as injection molding and blow molding, and is supplied to the world as various useful resin products, and its industrial value is enormous.

[0060]

[Table 1]

[0061]

[Table 2]

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Claims (10)

[Claims] 1. An (A) polyarylene sulfide, (B)
A flame-retardant resin composition comprising a polyphenylene ether, a flame-retardant effective amount of (C) an organic phosphorus compound, optionally (D) an elastomer, and optionally (E) a filler. 2. (A) Polyarylene sulfide 20-
95% by weight, (B) polyphenylene ether 80-5
(C) Organophosphorus compound 0.1 to 30 parts by weight, and (E) filler 0 to 2 per 100 parts by weight
A flame-retardant resin composition containing 100 parts by weight. 3. The resin composition according to claim 1 or 2, wherein the total amount of the components (A), (B) and (D) is 1
A flame-retardant resin composition comprising 0.01 to 10 parts by weight of (F) a compatibilizer per 100 parts by weight. 4. The flame-retardant resin composition according to claim 1, wherein the polyarylene sulfide (A) is polyphenylene sulfide. 5. The flame-retardant resin composition according to claim 1, wherein the polyphenylene ether (B) is poly (2,6-dimethyl-1,4-phenylene ether). 6. The flame-retardant resin composition according to claim 1 or 2, wherein the elastomer (D) is a styrene-conjugated diene block copolymer rubber. 7. The flame-retardant resin composition according to claim 1, wherein the organic phosphorus compound (C) is a phosphoric acid ester. 8. The flame-retardant resin composition according to claim 7, wherein the phosphoric acid ester is a phosphoric acid ester selected from the group consisting of triphenyl phosphate, tricresyl phosphate and trixylenyl phosphate. 9. The content of the filler (E) is the component (A),
5 to 100 parts by weight of the total amount of (B) and (D)
The flame-retardant resin composition according to claim 2, which is 160 parts by weight. 10. The flame-retardant resin composition according to claim 9, wherein the filler (E) is glass fiber.