JP3289442B2 - Thermoplastic resin composition - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to heat resistance, thermal shock resistance,
The present invention relates to a thermoplastic resin composition having excellent chemical resistance and heat resistance.

[0002]

2. Description of the Related Art In the presence of a butadiene rubbery polymer,
A obtained by graft polymerization of styrene, acrylonitrile, etc.
BS resins are used in a wide range of fields such as automotive parts and electric / electronic equipment parts because of their excellent impact resistance and surface appearance of molded products. However, it has a drawback that its chemical resistance, weather resistance and heat resistance are inferior depending on the field of use. As a method for improving the chemical resistance, it is conceivable to mix polypropylene. However, the compatibility between the ABS resin and the polypropylene was poor, and the obtained molded product was brittle with a peeling phenomenon.

[0003]

An object of the present invention is to solve the problems of the prior art and to provide a thermoplastic resin composition having excellent heat resistance, impact resistance, chemical resistance and heat resistance. .

[0004]

The present invention relates to (A) a hydrogenated diene system comprising a polymer obtained by hydrogenating a polymer comprising 0 to 60% by weight of an aromatic vinyl compound and 100 to 40% by weight of a conjugated diene compound. Polymer (I) 5-6
Obtained by copolymerizing 95 to 40% by weight of at least one monomer (II) selected from an aromatic vinyl compound, a vinyl cyanide compound and an alkyl (meth) acrylate in the presence of 0% by weight. 5 to 90% by weight of rubber reinforced resin (B) 20 to 90% by weight of aromatic vinyl compound, 10 to 60% by weight of unsaturated dicarboxylic acid imide compound and 0 of unsaturated carboxylic acid and / or unsaturated dicarboxylic anhydride
5 to 80% by weight of imide copolymer composed of 20 to 20% by weight (C) 5-90% by weight of polyolefin resin (D) 0 to 80% by weight of rubbery polymer (A) + (B) + (C) And (D) a thermoplastic resin composition. Hereinafter, the present invention will be described in detail.

[0005] The aromatic vinyl compound 0 to 60% by weight and the conjugated diene compound 100 to 100%
The conjugated diene of the hydrogenated diene-based polymer (I) composed of a polymer obtained by hydrogenating a polymer composed of 40% by weight includes butadiene, isoprene, pentadiene, 2,3-
Dimethylbutadiene and the like are used, and these are used alone or in combination of two or more. Examples of the aromatic vinyl compound include styrene, paramethylstyrene, hydroxystyrene, α-methylstyrene, and the like, and one or more of these are used. Preferably butadiene,
It is styrene. The diene polymer before hydrogenation may be a random copolymer of a conjugated diene and an aromatic vinyl compound, a block copolymer, or a mixture thereof. When the hydrogenated diene polymer is a mixture of diene polymers of different types, they may be mixed before hydrogenation and then hydrogenated, or they may be mixed after hydrogenation.

The content of the aromatic vinyl compound in the diene polymer is 0 to 60% by weight, preferably 10 to 50% by weight.
It is. If the amount exceeds 60% by weight, the impact resistance is poor. 1,2-, which is a microstructure of a diene copolymer
The vinyl bond content such as 3,4- is preferably 10%
As described above, the content is more preferably from 20 to 80%, particularly preferably from 30 to 60%, since a further excellent impact resistance can be obtained. The number average molecular weight of the diene polymer is preferably 5,000 to 1,000,000, and more preferably 30,000 to 300,000.
If it is less than 5,000, the hydrogenated diene polymer becomes liquid,
If it exceeds 1,000,000, moldability will be poor.

Specifically, the diene polymer of the present invention will be described. A copolymer containing at least one A block or C block and at least one B block or A / B block, or B or A / B The diene polymer represented by B is as follows. Here, A: aromatic vinyl compound polymer B: conjugated diene polymer A / B: random copolymer of aromatic vinyl compound / conjugated diene C: copolymer of conjugated diene and aromatic vinyl compound, and tapered block (1) a-B of the aromatic vinyl compound gradually increases (2) a-B-a (3) vinyl bond a-B-C (4) a-B 1 -B 2 (B 1 is preferably more than 20%, a vinyl bond is preferably less than 20% of _{B 2) (5) B (} 6) a / B (7) a-a / B (8) a-a / B-C (9) a-a / B-a (10) B 2 -B 1 -B 2 ( vinyl bond B ₁ represents preferably 20% or more, the vinyl bond of B ₂ preferably less than 20%) (11) C- B (12) C -BC (13) CA / BC (14) A diene polymer having a skeleton of CAB; And copolymers having a repeating structure. Also,
Examples thereof include diene polymers obtained by coupling them.

For AB ₁ -B _{2 in the} above (4),
Japanese Patent Application No. 63-285774, B of (5), A of (6)
/ B is disclosed in Japanese Patent Application No. 63-127400. A / A / B of (7) and A / B / C of (8)
Preferably, the ratio of the aromatic vinyl compound / conjugated diene is 5 to 40/60 to 95% by weight, and A or A and C
The total amount of the aromatic vinyl compound is from 3 to 25 of the total copolymer.
The vinyl bond content of the conjugated diene portion in A / B is 15% or more, particularly preferably 30 to 80% by weight. As the diene polymer, the above skeletons (4), (5),
By using one having (6), (7), or (8), one having an excellent performance balance can be obtained. Furthermore, (6),
Use of (7) or (8) can provide excellent low-temperature characteristics and fatigue characteristics. A diene-based polymer containing A / B has better weather resistance than a diene-based polymer containing no A / B.

[0009] The hydrogenated diene-based polymer is obtained by hydrogenating the above-mentioned diene-based polymer. The hydrogenation rate of the olefinically unsaturated bond of the diene polymer is 70% or more, preferably 90% or more, and more preferably 95% or more. If the degree of hydrogenation is less than 70%, weather resistance and heat resistance are inferior. The method for polymerizing the diene polymer and the method for hydrogenating the diene polymer are described, for example, in Japanese Patent Application No. 63-104256.

The monomer (II) to be graft-polymerized to the hydrogenated diene polymer (I) of the component (A) is at least one selected from aromatic vinyl compounds, vinyl cyanide compounds and (meth) acrylates. Species monomer,
As the aromatic vinyl compound used here, all of those described above are used. Examples of the vinyl cyanide include acrylonitrile and methacrylonilyl.

The above (meth) acrylic acid ester (a), when polymerized alone, has a glass transition temperature of at least 50 ° C. as measured by a differential scanning calorimeter (DSC). The alkyl group preferably has 1 to 10 carbon atoms, more preferably 1 to 6, and particularly preferably 1 to 4. Of the methacrylates and acrylates, methacrylates are preferred. Examples of these include:
Methyl acrylate, ethyl acrylate, acrylic acid n-
Propyl, n-butyl acrylate, methyl methacrylate, ethyl methacrylate, propyl methacrylate, cyclohexyl methacrylate, hydroxyethyl methacrylate, hydroxypropyl methacrylate, t methacrylate
-Butylcyclohexyl, butyl methacrylate, hexyl methacrylate, and (meth) acrylic esters of polycyclic compounds having a norbornane skeleton. One or more of these can be used. Of these, methyl methacrylate, ethyl methacrylate, cyclohexyl methacrylate, hydroxyethyl methacrylate are preferred,
Even more preferred is methyl methacrylate.

Further, unsaturated acid anhydrides such as maleic anhydride, citraconic anhydride and itaconic anhydride; unsaturated acids such as acrylic acid and methacrylic acid; maleimide, N-methylmaleimide, N-butylmaleimide, N-phenyl Unsaturation such as maleimide, N-methylphenylmaleimide, N-hydroxyphenylmaleimide, N-methoxyphenylmaleimide, N-chlorophenylmaleimide, N-carboxyphenylmaleimide, N-nitrophenylmaleimide, N-cyclohexylmaleimide, N-isopropylmaleimide Dicarboxylic acid imide compounds; epoxy group-containing unsaturated compounds such as glycidyl methacrylate and allyl glycidyl ether; unsaturated carboxylic acid amides such as acrylamide and methacrylamide; acrylamine and methacryl Aminomethyl, aminoethyl methacrylate, aminopropyl, amine group-containing unsaturated compounds such as aminostyrene; 3-hydroxy-1-propene, 4-hydroxy-1-butene, cis -
Hydroxyl-containing unsaturated compounds such as 4-hydroxy-2-butene, trans-4-hydroxy-2-butene, 3-hydroxy-2-methyl-1-propene, 2-hydroxyethyl acrylate, and 2-hydroxyethyl methacrylate; vinyl An oxazoline group-containing compound such as oxazoline is exemplified.

Preferred as the monomer used in the component (A) of the present invention are styrene, styrene-acrylonitrile, methyl methacrylate, styrene-methyl methacrylate, and styrene-methyl methacrylate-acrylonitrile. The amount of component (I) used in component (A) is 5 to 5.
60% by weight, preferably 10-50% by weight, more preferably 15-40% by weight, less than 5% by weight or 6% by weight.
If it exceeds 0% by weight, the impact resistance is poor, which is not preferable. The graft ratio indicating the amount of the monomer component (II) grafted to the component (I) is preferably in the range of 10 to 150% by weight, and more preferably 10 to 100% from the viewpoint of impact resistance. % By weight, particularly preferably 10 to 40% by weight
It is. The component (A) of the present invention can be produced by known polymerization methods such as solution polymerization, suspension polymerization, bulk polymerization, and emulsion polymerization. Among them, those produced by a solution polymerization method or a suspension polymerization method are preferable. The component (A) of the present invention includes a mixture of a polymer obtained by (co) polymerizing various monomers and the component (A) in the absence of a hydrogenated diene polymer. Used as an ingredient. The amount of the component (A) used in the thermoplastic resin composition of the present invention is 5 to 90% by weight, preferably 10 to 80% by weight. If it is less than 5% by weight, the impact resistance is poor, and if it exceeds 90% by weight, Poor chemical resistance.

The aromatic vinyl compound used in the component (B) of the present invention includes styrene, α-methylstyrene,
Methylstyrene, vinylxylene, monochlorostyrene, dichlorostyrene, monobromostyrene, dichromestyrene, pt-butylstyrene, ethylstyrene,
Vinyl naphthalene, o-methylstyrene, dimethylstyrene and the like can be mentioned, and these can be used alone or in combination of two or more. Of these aromatic vinyl compounds, styrene is preferred. The amount of the aromatic vinyl compound used in the component (B) of the present invention is from 20 to
It is 90% by weight, preferably 30 to 80% by weight, more preferably 40 to 70% by weight. If the amount used is less than 20% by weight, the impact resistance is poor, and if it exceeds 90% by weight, the heat resistance is poor.

Examples of the unsaturated dicarboxylic acid imide compound include maleimide, N-methylmaleimide, N-butylmaleimide, N-phenylmaleimide, N-methylphenylmaleimide, N-hydroxyphenylmaleimide,
-Methoxyphenylmaleimide, N-malolophenylmaleimide, N-carboxyphenylmaleimide, N-nitrophenylmaleimide, N-cyclohexylmaleimide, + N-isopropylmaleimide and the like, among which N-phenylmaleimide is particularly preferred. These unsaturated dicarboxylic acid imide compounds can be used alone or in combination of two or more. The amount of the unsaturated dicarboxylic acid imide compound used in the component (B) of the present invention is 10 to 60% by weight, preferably 20 to 60% by weight, and more preferably 30 to 50% by weight. If the amount used is less than 10% by weight, heat resistance is poor, and 60% by weight.
If it exceeds, impact resistance is poor.

As unsaturated carboxylic acids, acrylic acid,
There are α, β-unsaturated carboxylic acids such as methacrylic acid, maleic acid, fumaric acid, and itaconic acid, which can be used alone or in combination of two or more. Examples of the unsaturated dicarboxylic anhydride include maleic anhydride, citraconic anhydride, itaconic anhydride, aconitic anhydride and the like, and they can be used alone or in combination of two or more. Particularly preferred among unsaturated dicarboxylic acids and / or unsaturated dicarboxylic anhydrides are maleic anhydride.

The component (B) of the present invention can further be copolymerized with another copolymerizable vinyl monomer. Other vinyl monomers used herein include the vinyl cyanide compound, the alkyl (meth) acrylate, the epoxy group-containing unsaturated compound, the unsaturated carboxylic acid amide, and the amino group-containing unsaturated compound. And the above-mentioned hydroxyl group-containing unsaturated compounds and the above-mentioned oxazoline group-containing unsaturated compounds. These may be used alone or in combination of two or more.

The component (B) of the present invention can be obtained by a method obtained by copolymerizing the above-mentioned various polymers by a known polymerization method, or a copolymer mainly composed of an aromatic vinyl compound and an unsaturated dicarboxylic anhydride. There is a method of imidization after polymerization. Of these methods, the method of post-imidization is more preferable in terms of copolymerizability and economy. Examples of the primary amine used in the imidation reaction include alkylamines such as methylamine, ethylamine, propylamine, and cyclohexylamine, and aromatic amines such as chloro- or bromo-substituted alkylamines, aniline, tolylamyl, and naphthylamine, and chloro- or bromo-amines. And substituted aromatic amines. When the imidization reaction is performed in a molten state or a suspension state, it is preferable to use a normal reaction vessel, for example, an autoclave, and when the imidization reaction is performed in a bulk molten state, an extruder equipped with a devolatilization apparatus may be used. Good. The temperature of the imidization reaction is about 80-350 ° C, preferably 100-300 ° C. If the temperature is lower than 80 ° C., the reaction rate is low, and the reaction requires a long time, which is not practical. on the other hand,
When the temperature exceeds 350 ° C., physical properties of the polymer deteriorate due to thermal decomposition. Further, a catalyst may be used for the imidization reaction, and in that case, a tertiary amine, for example, triethylamine is preferably used. The amount of the copolymer comprising the component (B) is 5 to 80% by weight, preferably 10 to 80% by weight.
It is 60% by weight, more preferably 15 to 50% by weight. If it is less than 10% by weight, heat resistance is poor, and if it exceeds 80% by weight, impact resistance is poor.

Examples of the polyolefin resin of the component (C) of the present invention include homopolymers such as polyethylene and polypropylene, and copolymers of ethylene, propylene and other α-olefins. Among these, polypropylene is preferable, and crystalline polypropylene is particularly preferable, and the density is preferably 0.89 to 0.93.
g / cm ³ and the melt flow rate (ASTM D12
38L) is 0.1 to 70 g / 10 min.
The main component is a homopolymer of propylene or a block or random copolymer of propylene and 20% or less of α-olefin such as ethylene, 1-butene, 4-methyl-1-pentene, or a prolene polymer. A small amount of ethylene, propylene copolymer rubber and / or
Alternatively, a composition in which polyethylene is mixed can be used. The amount of the component (C) used in the present invention is 5 to 90% by weight, preferably 10 to 80% by weight, and more preferably 2 to 90% by weight.
0 to 70% by weight. If it exceeds 90% by weight, heat resistance is poor, and if it is less than 5% by weight, impact resistance is poor.

Examples of the rubbery polymer used in the component (D) of the present invention include polybutadiene, polyiprene, styrene-butadiene copolymer (preferably having a styrene content of 5 to 60% by weight), and styrene-isoprene copolymer. ,
Acrylonitrile-butadiene copolymer, ethylene-α
-Olefin copolymer, ethylene-α-olefin-
Polyene copolymer, acrylic rubber, silicone rubber, butadiene- (meth) acrylate copolymer, polyisoprene, butyl rubber, styrene-butadiene block copolymer, styrene-isoprene block copolymer, hydrogenated styrene-butadiene block Copolymers, hydrogenated butadiene copolymers, ethylene ionomers and the like can be mentioned. In addition, AB-styrene is a styrene-butadiene block copolymer and a retine-isoprene block copolymer.
, ABA type, tapered type, and radial teleblock type. Further, as the hydrogenated butadiene-based polymer, all the hydrogenated diene-based polymers of the component (A) are used. Preferred rubbery polymers include ethylene-α-olefin-based polymers,
Examples include an ethylene-α-olefin-polyene-based polymer, a styrene-butadiene block copolymer, and a hydrogenated butadiene-based polymer. One or more of these rubbery polymers are used. When the use amount of the component (D) in the thermoplastic resin composition of the present invention exceeds 80% by weight, the weather resistance is poor.

For the purpose of cross-linking the rubbery polymer, a preferable result may be obtained by adding a cross-linking agent usually used for rubber at the time of producing the composition of the present invention.
Examples of the cross-linking agent include organic peroxides alone or peroxide cross-linking such as bismaleimide-based, dimethacryl-based, diallyl-based, trimethacryl-based, and oxime compound-based cross-linking agents, sulfur alone, tetramethyl Sulfur-containing organic compounds such as thiuram disulfide may be used alone or in combination with a vulcanization accelerator. The vulcanization accelerator is one or more selected from thiazoles, sulfenamides, thiurams, dionates, guanidines, aldehyde ammonias, and xanthates. Further, vulcanization accelerators and activators used in combination with vulcanization accelerators include zinc white, magnesium oxide, stearic acid, oleic acid, lauric acid, stearic acid subsalt, and triethanolamine. One or more amines are used. Further, an organic peroxide can be used in combination as a vulcanization accelerator.
In addition to the peroxide-based crosslinking agent and the sulfur-based crosslinking agent, a phenol resin-based resin crosslinking agent can also be used. Further, known scorch agents and anti-aging agents are also used.

The thermoplastic resin composition of the present invention comprises an extruder,
It can be obtained by melt-kneading with a kneader, a Banbury mixer, a roll, or the like. In producing the thermoplastic resin composition of the present invention, each component may be mixed at once, or after premixing part or all of any two or more, then adding and mixing the remaining components, and a split mixing method. May be.

When using the thermoplastic resin composition of the present invention, glass fibers, carbon fibers, metal fibers, glass beads, glass flakes, waslite, calcium carbonate, talc, barium sulfate, mica, potassium titanate, aramid Fillers such as fibers, molybdenum disulfide, and fluororesins can be added alone or in combination. Among these fillers, glass fibers and carbon fibers preferably have a fiber diameter of 6 to 60 μm and a fiber length of 30 μm or more.

The composition of the present invention may contain a known coupling agent, an antibacterial / antifungal agent, a flame retardant, an antioxidant, a paraffinic oil, a naphthenic oil, a plasticizer, a coloring agent,
Additives such as lubricants, weathering agents, antistatic agents, and silicone oils can be added. In addition, the composition of the present invention may contain other polymers such as polycarbonate, ABS resin, HIPS, AES resin, polysulfone, polyethersulfone, polyphenylene sulfide, EVA, liquid crystal polymer, and polyolefin depending on the required performance. Vinyldene fluoride, fluororesin, polyamide elastomer, polyester elastomer and the like can be appropriately blended.

The thermoplastic resin composition of the present invention can be prepared by injection molding, extrusion molding, embossing molding, blow molding, injection blow molding, calendering molding, rotational molding, compression molding,
Vacuum molding, compressed air / vacuum molding, profile extrusion molding, foam molding,
Various molded products can be molded by injection press molding, gas assist injection molding, two-layer injection molding, or the like. Various molded products obtained by the above molding method utilize their excellent properties to make use of the excellent properties of vehicle interiors, interior skin materials, exterior materials and other various parts, OA and home appliance fields housings, chassis and other various parts, sanitary Can be used for fields, sundries, etc.

[0026]

The present invention will now be described more specifically with reference to examples. In the examples, parts and percentages are by weight unless otherwise specified. Various evaluations in the examples are values evaluated as follows.

Heat resistance According to ASTM D648, a thickness of ″ ″ and a load of 1
The heat distortion temperature was measured at 8.6 kg / cm ² . Impact resistance Izod impact strength was measured at 1/4 ″ thickness, notched, and at an ambient temperature of 23 ° C. in accordance with ASTM D256. The sample was exposed to a sunshine weather meter using a weather resistant carbon arc as a light source for 1,000 hours. Izod impact strength was measured after to determine the retention. in addition, weathering conditions, black panel temperature 63 ± 3 ° C., showering the water was set to 18 minutes per 2 hours. chemical resistance test piece (1/8 "x 1/2" x 5 ") with a constant strain of 1%, and dioctyl phthalate (hereinafter referred to as DO)
It is called P. ) Or brake fluid at 23 ° C
, And the time until breakage (salt vent crack) was measured and used as an index of chemical resistance. In addition, a mark in which no crack generation or breakage occurred for 50 hours or more was marked with a circle.

Preparation of rubbery polymer (R) The following rubbery polymer (R) was used for the production of component (A) or the component (D) of the present invention. A random copolymer block (90%) composed of a rubbery polymer R-1 polystyrene block (5%), 80 parts of styrene, and 80 parts of butadiene.
%) And styrene consisting of 5 parts of styrene and 3 parts of butadiene.
A hydrogenated diene-based polymer having a hydrogenation rate of 99% of a BC type block copolymer. G of block copolymer before hydrogenation
The weight average molecular weight by PC measurement was 200,000.

[0029]Rubbery polymer R-2 Contains polystyrene resin block (20%) and 1,2-vinyl
35% polybutadiene block (55%) and
Polybutadiene block with 13% 1,2-vinyl content
(25%) of ABC type block copolymer water
A hydrogenated diene copolymer having an addition ratio of 99%. Before hydrogenation
The polymerization average molecular weight of the block copolymer measured by GPC is
150,000.Rubbery polymer R-3 SEBS KRATON G16 manufactured by Shell Chemical Company
50Rubbery polymer R-4  Nippon Synthetic Rubber Co., Ltd. ethylene-propylene copolymer
 JSR EP07P

Preparation of Rubber-Reinforced Resins A-1 to A-4 Various monomers are graft-polymerized in the presence of the rubbery polymers R-1 to R-3 to obtain a rubber-reinforced resin A having the composition shown in Table 1. -1
To A-4 were obtained by solution polymerization.

[0031]

[Table 1]

[0032]Preparation of imide copolymer B After replacing the autoclave with a stirrer with nitrogen, styrene
Charge 51 parts and 50 parts of methyl ethyl ketone and bring to 85 ° C
The temperature rose. 49 parts of maleic anhydride, benzoyl peroxy
0.15 parts of side, 250 parts of methyl ethyl ketone
The solution was added continuously over 8 hours. 2 hours after addition, 85
The temperature was kept at ° C. Then, as aniline and catalyst
Triethylamine was added, and the temperature was raised to 140 ° C.
Was imidated. Polymer B with methanol
Was. The composition ratio of polymer B was measured by NMR analysis.
As a result, styrene 45%, N-phenylmaleimide 50%,
It was 5% maleic anhydride.Preparation of polyolefin (C)  Mitsubishi Yuka Corporation, polypropylene diamond polymer M
A2A was used.Preparation of rubbery polymer (D) The rubbery polymers R-1 and R-4 were used.

Preparation of Thermoplastic Resin Composition The above-mentioned various polymers were mixed according to the formulation shown in Table 2 and melt-kneaded into a pellet using a vented twin-screw extruder. During kneading, only the component (C) was fed from the middle of the extruder. The obtained pellet was sufficiently dried, and a test piece for measuring impact resistance, heat resistance, weather resistance and chemical resistance was formed by injection molding. Table 2 shows the evaluation results evaluated by the above evaluation method.

[0034]

[Table 2]

Comparative Example 1 is an example in which the use amount of the component (A) of the present invention is out of the range of the present invention, and the impact resistance is poor.
Comparative Example 2 is an example in which the amount of the component (A) of the present invention is large outside the range of the present invention, and the amounts of the components (B) and (C) are small outside the range of the present invention. Poor nature. Comparative Example 3
Is an example in which the amount of the component (B) used in the present invention is small outside the range of the present invention, and the heat resistance is poor. Comparative Example 4 is an example in which the amount of the component (C) used in the present invention is large outside the range of the present invention, and the amounts of the components (A) and (B) used are small outside the range of the present invention. And poor impact resistance.

[0036]

Industrial Applicability The thermoplastic resin composition of the present invention has excellent impact resistance, heat resistance, chemical resistance and weather resistance, and can be used in a wide range of applications, for example, interior / exterior materials for vehicles, interior skin materials and other materials. It can be used for various parts, OA and home appliance field housings, shears and other various parts, sanitary fields, miscellaneous goods, and the like.

──────────────────────────────────────────────────続 き Continuation of the front page (72) Inventor Takeki Furuyama 2-11-24 Tsukiji, Chuo-ku, Tokyo Japan Synthetic Rubber Co., Ltd. (56) References JP-A-5-112681 (JP, A) JP-A Heisei JP-A-4-345639 (JP, A) JP-A-4-189808 (JP, A) JP-A-4-1222751 (JP, A) JP-A-3-265649 (JP, A) JP-A-2-269143 (JP, A A) JP-A-2-29451 (JP, A) JP-A-62-179553 (JP, A) JP-A-61-16955 (JP, A) (58) Fields investigated (Int. Cl. ⁷ , DB name) ) C08L 51/04 C08L 21/00 C08L 23/00 C08L 35/06

Claims (1)

(57) [Claims] (1) 0 to 60% by weight of an aromatic vinyl compound (A)
And an aromatic vinyl compound, a vinyl cyanide compound, and a hydrogenated diene polymer (I), which is a polymer obtained by hydrogenating a polymer consisting of 100 to 40% by weight of a conjugated diene compound and (I). At least one monomer (II) selected from alkyl (meth) acrylates
Rubber reinforced resin 5 obtained by copolymerizing 95 to 40% by weight
(B) 20 to 90% by weight of an aromatic vinyl compound, 10 to 60% by weight of an unsaturated dicarboxylic acid imide compound and 0 of an unsaturated carboxylic acid and / or an unsaturated dicarboxylic anhydride.
5 to 80% by weight of imide copolymer composed of 20 to 20% by weight (C) 5-90% by weight of polyolefin resin (D) 0 to 80% by weight of rubbery polymer (A) + (B) + (C) And (D) a thermoplastic resin composition.