JPH07316430A - Polyarylene sulfide resin composition - Google Patents

Abstract

PURPOSE:To prepare a flame-retardant polyarylene sulfide resin compsn. having excellent impact resistance and toughness by incorporating a hydrogenated nitrile elastomer and a compd. having an org. functional group into a polyarylene sulfide resin. CONSTITUTION:A hydrogenated nitrile elastomer (B), an org. compd. (C) having an org. functional group, and optionally a reinforcement, a filler, and a catalyst are incorporated into a polyarylene sulfide resin (A) to prepare a compsn. Particularly pref., the resin (A) comprises 70mol% or more repeating units of phi- S-(wherein phi is p-phenylene) from the viewpoint of high crystallinity. The elastomer (B) is a hydrogenation product of a copolymer of a unsatd. nitrile with a conjugated diene compd. and has in its molecule at least one functional group selected from among vinyl, hydroxyl, carboxyl, amino, isocyanate and other functional groups. The compd. (C) has a compd. having a functional group selected from among vinyl, hydroxyl, carboxyl, amino, isocyanate and other functional groups, and example thereof include polyhydric alcohols and polyglycidyl ethers.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a polyarylene sulfide resin composition excellent in impact resistance, toughness such as tensile elongation, and flame retardancy.

[0002]

2. Description of the Related Art Polyphenylene sulfide (hereinafter referred to as PP
Polyarylene sulfide (hereinafter abbreviated as PAS) resin represented by a resin (S) is excellent in heat resistance itself,
Molding materials, which have chemical resistance and are reinforced with reinforcing materials such as glass fiber, are being used as metal substitutes in the fields of automobile parts, electronics-related parts, etc. There is.

However, a non-reinforced PAS resin which is not reinforced with a reinforcing material has poor extrusion stability and moldability, and the obtained molded product is not only black and has a poor appearance but also has impact resistance and tensile elongation. Since it lacks mechanical properties such as toughness, its use as a non-reinforced molding material is restricted in the field of injection molding, and a material using a reinforcing material was the mainstream.

Conventionally, as a method for improving the toughness of a PAS resin, a method of blending or alloying another thermoplastic resin, a thermoplastic elastomer, or an uncrosslinked elastic body on rubber with the PAS resin has been taken. As an example of alloying another thermoplastic resin, a method of blending a polycarbonate resin as described in JP-A-51-59952, and JP-A-SHO-5
No. 1-62849, a method of blending a polystyrene resin, a method of alloying a thermoplastic polyester resin described in JP-A-59-58052, and JP-A-50-1.
There are a method of blending a polyphenylene oxide resin described in JP-A-56561 and a method of alloying a polyamide resin described in JP-A-59-155462.

As a method of blending or alloying a thermoplastic elastomer or an uncrosslinked elastic body on rubber with a PAS resin, a method of adding a hydrogenated SBR copolymer (JP-A-59-167040), dicarboxylic acid anhydride is used. Method of adding hydrogenated SBR copolymer (JP-A-56-
115355), a method of adding an ionomer (JP-A-2-49062), and a copolymer of α-olefin and a glycidyl ester of an α, β-unsaturated acid (JP-A-58).
No. 154757), a vinyl-based monomer to a copolymer of α-olefin and glycidyl ester of α, β-unsaturated acid.
Addition of a copolymer obtained by graft-polymerizing
664), an α-olefin and an α, β-unsaturated carboxylic acid alkyl ester, and a copolymer of maleic anhydride (JP-A-62-151460). Although these methods have the effect of improving the toughness of PAS resin, PA
The original flame retardancy of the S resin was lowered, and it was difficult to use it as an electrical component having severe flame retardancy. As a method of improving the flame retardancy, there is a method of adding a flame retardant as shown in JP-A-63-97662, but since the PAS resin usually requires a high molding temperature of 290 ° C. or higher, When these flame retardants were added, decomposition and volatilization were likely to occur at the molding temperature of the PAS resin, which had a significant adverse effect on the molding of the PAS resin.

Further, as described in JP-A-3-258857, a hydrogenated nitrile group-containing unsaturated copolymer is treated with PA.
There is a method of adding it to the S resin, but even if the hydrogenated nitrile group-containing unsaturated copolymer is used as it is, the compatibility with the PAS resin is poor, and the flame retardancy is less decreased, but a sufficient impact resistance improving effect is obtained. It was the current situation that I could not get it.

[0007]

Therefore, the present inventors have improved mechanical properties such as impact resistance and tensile elongation of PAS resin without using a reinforcing material such as glass fiber, and PA
It is an object of the present invention to provide a high toughness PPS resin composition that suppresses a decrease in flame retardancy of an S resin.

[0008]

Means for Solving the Problems In examining the improvement of impact resistance, tensile elongation and other toughness of PAS resin, the inventors of the present invention compared PAS resin with a nitrile elastomer and an organic functional group in the molecule. The present invention has been found out that by blending an organic compound having the above-mentioned properties, various properties for the above purpose are improved in balance while maintaining excellent heat resistance of the PAS resin, and toughness is improved.

That is, the present invention relates to a polyarylene sulfide resin (A), a hydrogenated nitrile elastomer.
A polyarylene sulfide resin composition comprising (B), an organic compound (C) having an organic functional group in the molecule, and optionally a reinforcing material and / or a filler (D).

The PAS resin (A) used as the substrate in the present invention has a general formula [-Ar-S-] (where -Ar- is a divalent aromatic group containing at least one carbon 6-membered ring). A polymer containing a repeating unit of 70 mol% or more represented by a group), and a typical substance thereof is a repeating unit represented by a structural formula [-φ-S-] (where -φ- is a p-phenylene group). It is a polymer containing units of 70 mol% or more.

PAS resins are generally known to have a substantially linear molecular structure having no branched or crosslinked structure and one having a branched or crosslinked structure depending on the production method.
In the present invention, both types are effective.

A preferred PAS resin for use in the present invention is the repeating unit [-φ-S-] (provided that-
φ- is a P containing 70 mol% or more of p-phenylene group)
PS resin. When the repeating unit content is 70 mol% or more, the crystallinity, which is a characteristic of the crystalline polymer, is high, sufficient strength is obtained, and the toughness and chemical resistance are excellent.

The PPS resin may contain less than 50 mol%, preferably less than 30 mol%, of the other copolymerizable structural units shown below.

[0014]

[Chemical 1]

[0015]

[Chemical 2]

[0016]

[Chemical 3]

[0017]

[Chemical 4]

[0018]

[Chemical 5]

[0019]

[Chemical 6]

[0020]

[Chemical 7]

[0021]

[Chemical 8]

[0022]

[Chemical 9]

And the like. Of these, the trifunctional unit is 1
It is preferably not more than mol% from the viewpoint of not lowering the crystallinity.

The nitrile elastomer (B) used in the present invention is a copolymer of an unsaturated nitrile and a conjugated diene compound and is contained in the molecule> C = C <
When the double bond of is expressed by an iodine value rate (g / 100g), it is 40 (g / 100g) or less, preferably 30 (g / 100g).
There are nitrile elastomers hydrogenated up to 100 g), and hydrogenated nitrile elastomers containing one or more organic functional groups in the molecule of the elastomer. Preferred is a hydrogenated nitrile elastomer containing at least one organic functional group in the molecule.

As the organic functional group contained in the molecule of the nitrile elastomer, a vinyl group is preferred in the present invention,
Hydroxyl group, carboxyl group, acid anhydride group of dicarboxylic acid,
A glycidyl group, an amino group, an isocyanate group, a mercapto group, an oxazoline group, an isocyanurate group and a maleimide group are more preferable, and a carboxyl group, an acid anhydride group of dicarboxylic acid, a glycidyl group, an amino group and an oxazoline group are more preferable. More preferred are a carboxyl group, an acid anhydride group of dicarboxylic acid, a glycidyl group, an amino group and an oxazoline group.

As a method for introducing these organic functional groups into the molecule of the hydrogenated nitrile elastomer, a known method can be used, but preferably, an organic compound having the functional group is randomly copolymerized or block copolymerized. Copolymerization is preferably performed by a method of graft copolymerization. For example, JP-A-58-142901 and JP-A-58-162.
602, JP-A-59-213744, JP-A-60-
32839, JP-A-60-32840, JP-A-60
As described in JP-A-130603, a method of graft-polymerizing or adding a carboxyl group-containing organic compound to a nitrile elastomer before hydrogenation can be mentioned, but the method is not particularly limited thereto.

The meaning of "hydrogenation" in the term hydrogenated nitrile elastomer is substantially> C = C <
Only the double bond of is hydrogenated, that is, -C
It means to hydrogenate the double bond of the conjugated diene compound while maintaining the triple bond of ≡N. As a method for hydrogenation, there are JP-A-59-117501 and JP-A-58.
-17103, JP 62-42937, JP 6
No. 2-125858, JP-A-1-45404, JP-A-3-252405, and the like, iron, cobalt,
A known method of treating with a catalyst such as nickel, platinum or palladium may be used, but the present invention is not limited thereto. The hydrogenation rate used in the present invention is expressed by the iodine value rate described in JIS K-0070.

The nitrile elastomers prior to hydrogenation include at least one unsaturated nitrile, such as acrylonitrile or methacrylonitrile, and at least one conjugated diene, such as 1,3-butadiene, 2-methyl-1. , 3-butadiene, 2,3-dimethyl-1,3 butadiene, 1,3-pentadiene and the like.

Specific examples of the nitrile elastomer before hydrogenation include acrylonitrile-butadiene copolymers, acrylonitrile-isoprene copolymers, acrylonitrile-isoprene-butadiene copolymers, acrylonitrile-isoprene- Examples thereof include n-butyl acrylate copolymers, acrylonitrile-butadiene-n-butyl acrylate copolymers, acrylonitrile-butadiene-methyl acrylate copolymers, acrylonitrile-butadiene-2-hydroxypropyl methacrylate copolymers. . Particularly preferred copolymers are acrylonitrile-butadiene copolymers.

The Mooney viscosity of the hydrogenated nitrile elastomer of the present invention is 40 to 100 (ML _{1 + 4} 100 ° C.),
It is preferably 50 to 90 (ML _{1 + 4} 100 ° C.). The amount of unsaturated nitrile is preferably 10 to 60% by weight, more preferably 20 to 50% by weight.

In the composition of the present invention, in addition to the components of the PAS resin (A) and nitrile elastomer (B), an organic compound (C) having an organic functional group is added for the purpose of further improving the physical properties. .

The organic compound (C) used in the present invention is
Specifically, at least one functional group selected from vinyl group, hydroxyl group, carboxyl group, acid anhydride group of dicarboxylic acid, glycidyl group, amino group, isocyanate group, mercapto group, oxazoline group, isocyanurate group, and maleimide group. It is an organic compound containing two or more. The organic compound (C) may be a thermoplastic resin or a thermosetting resin containing two or more of at least one of these organic functional groups. When using it, it is properly selected and used from these.

Specific examples of the organic compound (C) having a functional group include ethylene glycol, propanediol, glycerin, diethylene glycol, triethylene glycol, catechol, resorcinol, hydroquinone, bispherol A, benzenetriol and benzenetetraol. Polyhydric alcohols; amino alcohols such as 2-aminoethanol and 3-aminopropanol; mercapto compounds such as ethanedithiol, propanedithiol, 1,2-benzenethiol, 1,3-benzenethiol and 1,4-benzenethiol Ethylene glycol diglycidyl ether, catechol diglycidyl ether, hydroquinone diglycidyl ether, bisphenol A diglycidyl ether, resorcinol diglycidyl ether, benzene tri Lumpur triglycidyl ether, benzene-tetraol tetraglycidyl ether, polyglycidyl ethers and the like; 1,3 Fenirenbisu (2
-Oxazoline), 1,4-phenylene bis- (2-oxazoline), ethylene bis- (2-oxazoline) and other bis- (2-oxazoline) compounds; 1,2-phenylene diisocyanate, 1,3-phenylene diisocyanate, 1,4-phenylene diisocyanate, Diisocyanate compounds such as hexamethylene diisocyanate and 4,4-diphenylmethane diisocyanate; trimellitic anhydride, pyromellitic anhydride, 3,3 ′, 4
4'-tetracarboxybenzophenone dianhydride, 4.
Polycarboxylic acid anhydrides such as 4′-methylenebis (benzene-1,2-dicarboxylic acid) dianhydride; 1,2-phenylenediamine, 1,3-phenylenediamine,
Examples thereof include diamine compounds such as 1,4-phenylenediamine, diaminodiphenyl ether, hexamethylenediamine, and ethylenediamine. Further, as the thermoplastic resin having an organic functional group, a glycidyl group-containing polyolefin resin, a maleic anhydride-modified polyolefin resin,
Examples include oxazoline group-containing polystyrene resins, polyamide resins, polyester resins, polycaprolactone resins, and the like. Examples of thermosetting resins include epoxy resins, vinyl ester resins, unsaturated polyester resins, triazine resins, bismaleimide resins, and phenol resins. Among these, preferable organic compounds (C) include glycidyl group-containing polyolefin resins, oxazoline group-containing polystyrene resins, polyamide resins, epoxy resins and the like.

Further, vinyl group, glycidyl group, amino group,
Of course, a silane coupling agent or a titanium coupling agent containing at least one selected from an isocyanate group and a mercapto group can also be used as the organic compound (C).

The proportion of each component used in the composition of the present invention can be selected within an appropriate range depending on the purpose of use of the composition.
S-resin (A) 40 to 99% by weight, nitrile elastomer (B) 1 to 60% by weight, preferably PAS resin 50 to 95% by weight, nitrile elastomer (B) 5 to 50% by weight. . The addition amount of the organic compound (C) having a functional group is 0.1 to 20 with respect to 100 parts by weight of the total amount of the components (A) and (B) ((A) + (B)).
Parts by weight, preferably 0.5 to 10 parts by weight, are used.

If desired, the composition of the present invention may contain the following reinforcing material and / or filler (D). Examples of these reinforcing materials and / or fillers include powdery, flat, scale-like, needle-like, spherical or hollow and fibrous forms. Specifically, calcium sulfate, calcium silicate, clay, talc, alumina, silica sand, glass powder, metal powder, graphite, silicon carbide, silicon nitride, silica, boron nitride, aluminum nitride,
Granular filler such as carbon black, mica, glass plate, sericite, metal foil such as aluminum flake, flat or scale-like filler such as graphite, shirasu balloon, metal balloon, hollow filler such as glass balloon, Examples thereof include organic fibrous fillers such as glass fibers, carbon fibers, graphite fibers, whiskers, metal fibers, asbestos, wosnite, fibrous fillers and aromatic polyamide fibers. The amount of the reinforcing material and / or the filler added is 0 based on 100 parts by weight of the total amount ((A) + (B) + (C)) of the components (A), (B) and (C) described above. ~
It is 200 parts by weight.

Furthermore, in the composition of the present invention, a catalyst (E) can be added for the purpose of further improving flame retardancy. As such a catalyst, there is at least one catalyst selected from dehydrogenation metal catalysts, deoxygenation metal catalysts, dealkylation metal catalysts, and complex compounds of these metal catalysts. These metal catalysts and their complex compounds include iron oxide,
It is a metal-based catalyst containing chromium oxide, copper oxide, platinum, or vanadium or a complex compound thereof. The ratio of the component (E) to be used is 0. 0 with respect to 100 parts by weight of the total amount of the components (A), (B) and (C) ((A) + (B) + (C)).
It is in the range of 01 to 30 parts by weight.

Further, other thermoplastic resins may be added to the composition of the present invention within the range not departing from the gist of the present invention. Other thermoplastic resins include polyethylene, polypropylene, polystyrene, imide-modified polystyrene, polybutylene terephthalate, polyethylene terephthalate, polyethylene naphthalate, polybutylene naphthalate, polyamide, polycarbonate, ABS resin. , Imide-modified ABS resin, AES resin,
Polysulfone, polyphenylene ether, copolymer and / or mixture of polyphenylene ether and polystyrene, thermoplastic resin such as polyethersulfone, polysulfide ketone, polysulfide sulfone, polyetheretherketone, polyamideimide, polyester system, Polyamide-based, polyurethane-based, polyolefin-based, polystyrene-based, etc. thermoplastic elastomers, and these thermoplastic elastomers, glycidyl groups, carboxylic acids and acid anhydrides thereof, amino groups, isocyanate groups, mercapto groups, oxazoline groups and other organic functional Examples include modified products modified with an organic compound containing a group. Preferably, polypropylene, polybutylene terephthalate,
Polyamide, polyphenylene ether, copolymer and / or mixture of polyphenylene ether and polystyrene.

In the present invention, an inorganic flame retardant such as magnesium hydroxide, aluminum hydroxide and antimony trioxide, a halogen-based compound, a halogen-based compound, and
Additives such as phosphorus-based organic flame retardants, antioxidants, anti-UV agents, lubricants, dispersants, coupling agents, foaming agents, cross-linking agents, colorants, plasticizers and the like can be added.

As a method for producing the composition of the present invention, a general method is used. The most general method is to uniformly mix the compound with a suitable mixer such as a tumbler, a Henschel mixer, a tumbler, etc., and supply the mixture to an extruder for melt-kneading.
The extruded product in the form of a strand is cooled and cut into a product for a molding material. More simply, a method of melting and kneading the compound of the present invention directly in a molding machine and omitting the extrusion step may be used, but the method is not particularly limited thereto.

The composition of the present invention is excellent in impact resistance and tensile elongation as compared with the conventional PAS resin composition, and has a lower flame retardance as seen in the conventional PAS resin composition modified with an elastomer. Less is. Therefore, it can be used as it is for various functional parts without any particular reinforcement with a reinforcing material.For example, injection molded products can be used as automobile parts, electrical machines, electronic parts, sealing materials, and extrusion molded products. It is useful as a commonly-used extrusion material such as profile extrusion, tube, hose, pipe, fiber, film, blow molding, and rotational molding material.

[0042]

The present invention will be further described with reference to examples.

Measurement of Melt Index (MI) After drying about 6 g of a sample at 120 ° C. for 3 hours, a predetermined temperature (315.6 ° C.) was set using an orifice having a diameter of 2.096 mm and a length of 8.001 mm. It is put into a melt indexer (T01 type manufactured by Toyo Seiki Co., Ltd.) to remove air bubbles, apply a predetermined load (5000 g), preheat for 5 minutes, and then measure.

Pull Test A pull test dumbbell obtained by injection molding is subjected to a pull test under the following conditions. The 5-point average is used as the measured value.

Measuring instrument Shimadzu Autograph IS-2000 Pulling speed 10 mm / min Distance between marked lines 25 mm Distance between grips 50 mm

Izod Impact Test A test piece for measuring Izod impact value obtained by injection molding is subjected to a tensile test under the following conditions. The 5-point average is used as the measured value.

Test piece dimensions Length 63.5 mm x Width 3.17 mm x
Thickness 12.7mm Cutting Notch Measuring Instrument Universal Impact Tester Universal Type Toyo Seiki Hammer Load 30Kg-cm

Flame Retardancy Test Specimen Size A test piece having a length of 127 mm × width of 12.7 mm × thickness of 3.17 mm was used to perform a test based on the UL-94 HB test, and the time until self-extinguishing was measured. The burning time is an average of 5 points.

[0049] performed on the basis of the Mooney viscosity tests Mooney viscosity JIS K 6300, performed rotor L-type, 1 minute preheat, operation 4 minutes at the test temperature 100 ° C..

Examples 1 to 6 A thermally crosslinkable PPS resin having an MI of 29 g / 10 min and a sodium content of 235 ppm as a PPS resin (A) was used as a hydrogenated nitrile elastomer (B) at an iodination rate of 4 g / 100 g. , Mooney viscosity 85 (ML _{1 + 4} 1
(00 ° C.), a carboxyl group-containing hydrogenated acrylonitrile-butadiene copolymer (manufactured by Zeon Corporation) having an acrylonitrile content of 36% by weight as an epoxy group-containing silane coupling agent (A) as a functional group-containing organic compound (C).
-187 made by Nippon Unicar), bisphenol A type epoxy resin (Epiclon 1050, made by Dainippon Ink and Chemicals), silane coupling agent containing amino group (KBE-9)
03, manufactured by Shin-Etsu Chemical Co., Ltd., and a graft copolymer of polypropylene and glycidyl methacrylate each containing 3% by weight of glycidyl methacrylate were blended with a tumbler in a composition shown in Table 1 to obtain a barrel temperature of 2
The mixture was kneaded with a twin-screw extruder (TEM-35B manufactured by Toshiba Machine) set at 90 ° C., and the extruded strand was cooled and solidified, and then pelletized. After drying the obtained pellets at 120 ° C. for 4 hours, the temperature of the cylinder was 290 ° C. and the mold temperature was 12 ° C. with an injection molding machine (IS-50AM: manufactured by Toshiba Machine).
Molded at 0 ° C and tested for tensile test dumbbells (ASTM I
No. V thickness 1.6 mm), a test piece for flame retardancy measurement and a test piece for Izod test were obtained. The moldability during molding was good. A tensile test, a flame retardancy test and an Izod test were performed using this test piece. The results are shown in Table-1.

Comparative Examples 1 to 5 With respect to the PPS resin used in Example 1, a maleic anhydride-modified ethylene-propylene copolymer (Toughmer MC20
1 Mitsui Petrochemical) and a maleic anhydride modified hydrogenated styrene-butadiene copolymer (Asahi Kasei)
A twin-screw extruder having a composition shown in Table 2 was blended using a tumbler and the barrel temperature was set to 290 ° C. (TEM-
35B manufactured by Toshiba Machine Co., Ltd.), and the extruded strand was cooled and solidified, and then pelletized. The obtained pellets were dried at 120 ° C. for 4 hours, and then the injection molding machine (IS-50
AM: manufactured by Toshiba Machine Co., Ltd., with a cylinder temperature of 290 ° C and a mold temperature of 120 ° C, and a tensile test dumbbell (A
STM IV No. thickness 1.6 mm), a test piece for flame retardancy measurement and a test piece for Izod test were obtained. A tensile test, a flame retardancy test and an Izod test were performed using this test piece. The results are shown in Table-2.

[0052]

[Table 1]

Nitrile elastomer (B-1): Carboxyl group-containing hydrogenated acrylonitrile-butadiene copolymer Organic compound (C-1): Epoxy group-containing silane capping agent Organic compound (C-2): Bisphenol A type epoxy Resin Organic compound (C-3): Amino group-containing silane coupling agent Organic compound (C-4): Graft copolymer of polypropylene and glycidyl methacrylate

[0054]

[Table 2]

As is clear from the results, the present invention has good toughness and little reduction in flame retardancy.

Examples 7 to 8 With respect to the PPS resin (A) used in Example 1, a nitrile elastomer (B-1) and an epoxy resin (C-
2) is used, and a dehydrogenation catalyst (iron oxide catalyst G-84C, manufactured by Nissan Gardler Catalyst) is used as the metal catalyst, and the composition is as shown in Table 3 and the composition and pellets are prepared in the same manner as in Example 1. Was made. Then, injection molding was carried out in the same manner as in Example 1 to evaluate the physical properties. The results are shown in Table-3.

[0057]

[Table 3]

Nitrile Elastomer (B-1): Carboxyl Group-Containing Hydrogenated Acrylonitrile-Butadiene Copolymer Organic Compound (C-2): Bisphenol A Type Epoxy Resin

Examples 9 to 10 Dehydrogenation catalyst (iron oxide catalyst) used in Example 7
Instead of this, in Example 9, a deoxidizing catalyst (palladium-based catalyst manufactured by Nissan Gardler Catalyst, G-74D) was used to prepare the preparation, and in Example 10, a dealkylation-based catalyst (chromium oxide-based catalyst manufactured by Nissan Gardler Catalyst, G-41) was used.
Hereinafter, pellets were obtained in the same manner as in Example 7, and injection molding was performed to evaluate the physical properties. The physical properties of Examples 9 and 10 were almost the same as those of Example 7.

Examples 11 to 13 and Comparative Example 6 The PPS resin (A) used in Example 1 was used as the nitrile elastomer (B) at an iodination rate of 4 g /
100g, Mooney viscosity 85 (ML _{1 + 4} 100 ° C),
A hydrogenated acrylonitrile-butadiene copolymer (manufactured by Zeon Corporation) having an acrylonitrile content of 36% by weight
As the organic compound (C), an epoxy group-containing silane coupling agent (A-187, made by Nippon Unicar), a bisphenol A type epoxy resin (Epiclon 850, made by Dainippon Ink and Chemicals), an oxazoline group-containing polystyrene resin (RPS-1005, (Manufactured by Nippon Shokubai Co., Ltd.) was used and blended and pelletized in the same manner as in Example 1 with the blends shown in Table 4. Then injection molding was carried out in the same manner as in Example 1,
The physical properties were evaluated.

As Comparative Example 6, PPS resin (A) and nitrile elastomer (B) were used, and compounding and pelletization were carried out in the same manner as in Example 1. Then, Example 1
Injection molding was carried out in the same manner as above, and the physical properties were evaluated. The results are shown in Table-4.

[0062]

[Table 4]

Nitrile Elastomer (B-2): Hydrogenated Acrylonitrile-Butadiene Copolymer Organic Compound (C-1): Epoxy Group-Containing Silane Capping Agent Organic Compound (C-5): Bisphenol A Epoxy Resin Organic Compound (C-6): Polystyrene resin containing oxasolin group

[0064]

EFFECTS OF THE INVENTION The composition of the present invention has good moldability at the time of molding and is excellent in the appearance of the molded product, and more excellent in impact resistance and tensile elongation than conventional PAS resin compositions. Further, the decrease in flame retardancy as seen in the conventional PAS resin composition modified with an elastomer is small. Therefore, it can be used as it is as various functional parts without any particular reinforcement.

Claims (6)

[Claims] 1. A polyarylene sulfide resin (A),
A polyarylene sulfide comprising a hydrogenated nitrile elastomer (B), an organic compound (C) having an organic functional group in the molecule, and optionally a reinforcing material and / or a filler (D). Resin composition. 2. A hydrogenated nitrile elastomer (B).
The resin composition according to claim 1, wherein is a hydrogenated nitrile elastomer containing an organic functional group other than a nitrile group. 3. A hydrogenated nitrile elastomer (B).
The organic functional group other than the nitrile group contained in is a vinyl group,
Hydroxyl group, carboxyl group, acid anhydride group of dicarboxylic acid,
The resin composition according to claim 2, which is at least one selected from a glycidyl group, an amino group, an isocyanate group, a mercapto group, an oxazoline group, an isocyanurate group, and a maleimide group. 4. The organic functional group contained in the molecule of the organic compound (C) is a vinyl group, a hydroxyl group, a carboxyl group, an acid anhydride group of dicarboxylic acid, a glycidyl group, an amino group, an isocyanate group, a mercapto group, an oxazoline group. The resin composition according to claim 1, which is at least one selected from the group consisting of, an isocyanurate group, and a maleimide group. 5. (A), (B) according to claim 1,
A polyarylene sulfide resin composition, which further comprises a catalyst (E) in addition to the components (C) and (D). 6. The catalyst according to claim 5, wherein the catalyst (E) is at least one catalyst selected from dehydrogenating metal catalysts, deoxygenating metal catalysts, dealkylating metal catalysts and complex compounds of these metal catalysts. Resin composition.