KR101583228B1 - Thermoplastic resin composition and article including same - Google Patents

Abstract

10 to 90 parts by weight of a polyamide component and 90 to 10 parts by weight of a polyphenylene ether component; And 10 parts by weight or less of polyolefin based on 100 parts by weight of the total of the polyamide component and the polyphenylene ether component, wherein the polyamide component has a number average molecular weight of 25,000 to 36,000 and a polydispersity index 2.8 to 5.0, and the polyphenylene ether component has a number average molecular weight in the range of 9,000 to 13,000 and a polydispersity index in the range of 2.4 to 3.4.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a thermoplastic resin composition,

A thermoplastic resin composition and a molded article including the same.

The polyphenylene ether resin is a thermoplastic resin excellent in mechanical properties, heat resistance, and dimensional stability. However, the polyphenylene ether resin alone does not exhibit significantly impact properties and solvent resistance, and has a high melt viscosity, resulting in poor processability. For this reason, polyphenylene ether resins are used as various plastic materials by blending with polyamides or the like in order to improve processability and the like.

However, the polyphenylene ether and the polyamide have a large difference in melt viscosity and have different chemical structures, and thus have poor compatibility. Therefore, development of a technique for improving the compatibility between these resins is required.

One embodiment is to provide a polyphenylene ether resin composition having excellent appearance and improved physical properties.

Another embodiment provides a molded article produced from the resin composition.

The thermoplastic resin composition according to one embodiment comprises 10 to 90 parts by weight of a polyamide component and 90 to 10 parts by weight of a polyphenylene ether component; And 10 parts by weight or less of a polyolefin based on 100 parts by weight of the total of the polyamide component and the polyphenylene ether component; Wherein the polyamide component has a number average molecular weight in the range of 25,000 to 36,000, a polydispersity index in the range of 2.8 to 5.0, and the polyphenylene ether component has a number average molecular weight in the range of 9,000 to 13,000 and a polydispersity index of 2.4 To 3.4.

In the thermoplastic resin composition, the polyamide component may be composed of two or more polyamides having different number average molecular weights, and the polyphenylene ether component may be composed of two or more polyphenylene ethers having different number average molecular weights.

Wherein the polyamide component comprises a first polyamide (A) having a number average molecular weight of 25,000 to 36,000 and a polydispersity index of 1.3 to 2.9; And a second polyamide (B) having a number average molecular weight of 36,001 to 55,000 and a polydispersity index of 1.3 to 2.9.

Wherein the polyphenylene ether component comprises a first polyphenylene ether (C) having a number average molecular weight of 8,000 to 11,000 and a polydispersity index of 1.8 to 2.4; And a second polyphenylene ether (D) having a number average molecular weight of 11,001 to 14,000 and a polydispersity index of 1.6 to 2.4.

The thermoplastic resin composition according to another embodiment comprises 10 to 90 parts by weight of a polyamide component composed of a first polyamide (A) and a second polyamide (B) having different number average molecular weights, and 10 to 90 parts by weight of a first polyphenyl 90 to 10 parts by weight of a polyphenylene ether component consisting of a phenol ether (C) and a second polyphenylene ether (D); And 0 to 10 parts by weight of a polyolefin based on 100 parts by weight of the polyamide component and the polyphenylene ether component;

Wherein the polyamide component has a number average molecular weight in the range of 25,000 to 36,000, a polydispersity index in the range of 2.8 to 5.0, and the polyphenylene ether component has a number average molecular weight in the range of 9,000 to 13,000 and a polydispersity index of 2.4 To 3.4,

Wherein the first polyamide (A) has a number average molecular weight of 25,000 to 36,000, a polydispersity index of 1.3 to 2.9, and the second polyamide (B) has a number average molecular weight of 36,001 to 55,000 and a polydispersity index of 1.3 And the second polyphenylene ether (D) has a number average molecular weight of from 11,000 to 14,000, and the second polyphenylene ether (C) has a number average molecular weight of from 8,000 to 11,000, a polydispersity index of from 1.8 to 2.4, And a polydispersity index of 1.6 to 2.4.

The thermoplastic resin composition is obtained by mixing an impact modifier selected from an? Beta diblock copolymer and an? Beta triblock copolymer containing an aromatic vinyl block (?) And an olefin block (?) In the presence of the polyamide component and the polyphenylene ether component By weight, based on 100 parts by weight of the total of the components (A) and (B).

The impact modifier may be selected from the group consisting of polystyrene-polybutadiene (SBR), polystyrene-poly (ethylene, propylene) (SEP), polystyrene-polyisoprene, polystyrene-polybutadiene-polystyrene (SBS), polystyrene- (Ethylene, butylene) -polystyrene (SEBS), or a combination thereof

The thermoplastic resin composition may be a liquid diene polymer, an epoxy compound, an oxidized polyolefin wax, a quinone compound, an organosilane compound, a polyfunctional compound composed of a carbon-carbon double bond and at least one carboxylic acid, a precursor of an electro- A compatibilizing agent selected from an acid anhydride of a functional compound, a polycarboxylic acid compound and a functionalized polyarylene ether is used in an amount of 20 parts by weight or less based on 100 parts by weight of the total of the polyamide component and the polyphenylene ether component The amount can be further included.

The molded article according to another embodiment includes the resin composition.

It is possible to improve the compatibility of the polyphenylene ether resin and the polyamide resin in the resin composition and to provide a molded article having excellent appearance and excellent mechanical properties.

Hereinafter, embodiments of the present invention will be described in detail. However, the present invention is not limited thereto, and the present invention is only defined by the scope of the following claims.

In the present specification, the term "polydispersity index (PDI)" refers to a value (Mw / Mn) obtained by dividing a weight average molecular weight (Mw) by a number average molecular weight (Mn) as a parameter indicating a molecular weight distribution.

The thermoplastic resin composition according to one embodiment contains 10 to 90 parts by weight, specifically 20 to 80 parts by weight, more specifically 25 to 75 parts by weight of a polyamide component and 90 to 10 parts by weight, And more specifically from 75 to 25 parts by weight of a polyphenylene ether component; And 10 to 10 parts by weight, specifically 0 to 10 parts by weight, more specifically 0.1 to 10 parts by weight, of a polyolefin based on 100 parts by weight of the total of the polyamide component and the polyphenylene ether component, The amide component has a number average molecular weight in the range of 25,000 to 36,000, a polydispersity index in the range of 2.8 to 5.0, a number average molecular weight in the range of 9,000 to 13,000 and a polydispersity index in the range of 2.4 to 3.4 . Hereinafter, each component will be described in detail.

(One) Poly  Amide component

The polyamide usable in the thermoplastic resin composition is not particularly limited as long as it has an amide group (-NHCO-) group in the main chain and has a molecular weight and a polydispersity index in the specific range described above .

For example, the polyamide may be produced by ring-opening polymerization of a lactam, condensation polymerization of a diamine and a dicarboxylic acid, condensation polymerization of an amino carboxylic acid, and the like, but is not limited thereto.

The diamine may be an aliphatic, alicyclic, or aromatic diamine. Specific examples of the diamine include tetramethylenediamine, pentaethylenediamine, hexamethylenediamine, heptamethylenediamine, octaethylenediamine, nonaethylenediamine, decamethylenediamine, undecamethylenediamine, dodecamethylenediamine, tridecamethylenediamine, 2,2 , 4-trimethylhexamethylenediamine, 2,4,4-trimethylhexamethylenediamine, methyloctaethylenediamine, 5-methylnonamethylenediamine, 1,3-bisaminomethylcyclohexane, 1,4-bisaminomethylcyclohexane , m-phenylenediamine, p-phenylenediamine, m-xylenediamine, p-xylenediamine, and mixtures of these diamines.

Examples of the dicarboxylic acid include an aliphatic, alicyclic or aromatic dicarboxylic acid. Specific examples of the dicarboxylic acid include adipic acid, suberic acid, azelaic acid, sebacic acid, dodecanedicarboxylic acid, 1,1,3-tridecanedicarboxylic acid, 1,3-cyclohexanedicarboxylic acid, terephthalic acid, isophthalic acid, naphthalene Dicarboxylic acid, dimeric acid, and the like.

Specific examples of the lactam include ε-caprolactam, enanthrolactam, ω laurolactam, and the like.

Specific examples of the aminocarboxylic acid include aminocaproic acid, 7-aminoheptanoic acid, 8-aminooctanoic acid, 9-aminonanoic acid, 11-aminoundecanoic acid, 12-aminododecanoic acid, .

The above-mentioned lactams, diamines, dicarboxylic acids, and aminocarboxylic acids can be condensed and polymerized singly or in a mixture of two or more kinds to provide a polyamide homopolymer or a polyamide copolymer. The polyamide can be produced by a conventional polymerization method such as solution polymerization, interfacial polymerization, melt polymerization, bulk polymerization, solid phase polymerization and the like.

Specific examples of the polyamide include polyamide 6, polyamide 66, polyamide 46, polyamide 11, polyamide 12, polyamide 610, polyamide 612, polyamide 6/66, polyamide 6/612, polyamide 6MXD (Methacrylic diamine), polyamide 66 / 6MXD, polyamide 6T, polyamide 6I, polyamide 66 / 6T, polyamide 66 / 6I, polyamide 6T / 6I, polyamide 9T, polyamide 66 / But is not limited thereto.

In the thermoplastic resin composition, the polyamide component has a number average molecular weight in the range of 25,000 to 36,000 and a polydispersity index in the range of 2.8 to 5.0. The polyamide component may be composed of two or more polyamides having different number average molecular weights. Wherein the polyamide component comprises a first polyamide (A) having a number average molecular weight of 25,000 to 36,000 and a polydispersity index of 1.3 to 2.9; And a second polyamide (B) having a number average molecular weight of 36,001 to 55,000 and a polydispersity index of 1.3 to 2.9. The specific types of the first polyamide (A) and the second polyamide (B) are not particularly limited as long as they satisfy the above-described ranges of molecular weight and polydispersity index. The amount of the first polyamide (A) and the amount of the second polyamide (B) in the polyamide component are controlled so that the number average molecular weight and the polydispersity index of the polyamide component are in the range of 25,000 to 36,000 and in the range of 2.8 to 5.0 Of the total area. For example, the weight ratio of the first polyamide (A): the second polyamide (B) may be in the range of 95: 5 to 5:95, preferably in the range of 90:10 to 10:90.

The first polyamide (A) and the second polyamide (B) having the above molecular weights and polydispersity index can be produced by a known method (for example, a method of adjusting the ratio of these monomers, US3679635, US3868352, US4131712, US4465821, US5416189, US5674974, US6169162 and the like), but the present invention is not limited thereto.

When the polyamide component has a number average molecular weight value and a polydispersity index within the above-mentioned range, miscibility with a polyphenylene ether component having a number average molecular weight and a PDI in the range described later in the composition is high, Can be mixed well, and thus a molded article having excellent appearance can be produced. In addition, a molded article having excellent impact resistance, rigidity, insulation, and electrical characteristics can be easily manufactured / molded from the thus-prepared composition, and the produced molded article has a low water-borne characteristic

(2) Polyphenylene ether

In the thermoplastic resin composition, the polyphenylene ether is a polymer comprising the following phenyleneoxy repeat units:

Wherein R ¹ is the same or different and is each independently selected from the group consisting of halogen, substituted or unsubstituted C1 to C30 aliphatic organic groups (e.g., alkyl, etc.), substituted or unsubstituted C2 to C30 aromatic organic groups , A substituted or unsubstituted C1 to C30 alkoxy group (e.g., methoxy, ethoxy, etc.), n1 is the same or different from each other in each repeating unit, and is independently an integer of 0 to 4 to be.

The polyphenylene ether can be prepared by polycondensation of at least one phenolic compound represented by the following formula (1)

[Chemical Formula 1]

In formula (1), R_One, R₂, R₃, R₄, And R₅Are independently selected from hydrogen, a halogen atom, a substituted or unsubstituted hydrocarbon group having 1 to 30 carbon atoms, R_One, R₂, R₃, R₄, And R₅ Lt; / RTI > is hydrogen.

Specifically, R ₁ , R ₂ , R ₃ , R ₄ and R ₅ are the same or different and each independently represents hydrogen, chlorine, bromine, fluorine, iodine, a C1 to C7 primary may be selected from primary or secondary lower alkyl, phenyl, haloalkyl, aminoalkyl, hydroxyalkyl, hydrocarbonoxy, and halohydrocarboxyloxy. Specific examples of R ₁ , R ₂ , R ₃ , R ₄ and R ₅ in the formula 1 include methyl, ethyl, n- or iso-propyl, pri-, sec- or t- Examples of the alkyl group include a methyl group, an ethyl group, a propyl group, an isopropyl group, an isopropyl group, an isopropyl group, an isopropyl group, a butyl group, But are not limited thereto.

Specific examples of the compound represented by Formula 1 include phenol, o-, m-, or p-cresol, 2,6-, 2,5-, 2,4- or 3,5-dimethylphenol, Phenylphenol, 2,6-diphenylphenol, 2,6-diethylphenol, 2-methyl-6-ethylphenol, 2,3,5-, 2,3,6-, 6-trimethylphenol, 3-methyl-6-t-butylphenol and 2-methyl-6-allylphenol. Specific examples of the polyphenylene ether resin include poly (1,4-phenylene ether), poly (1,3-phenylene ether), poly (1,2-phenylene ether) , 4-phenylene ether), poly (3-methyl-1,4-phenylene ether), poly (2-methyl- Ether), poly (5-methyl-1,3-phenylene ether), poly (6-methyl-1,3-phenylene ether) Methyl-1,2-phenylene ether), poly (5-methyl-1,2-phenylene ether), poly 1,4-phenylene ether), poly (2,3-dimethyl-1,4-phenylene ether), poly (3,5- (2,4-dimethyl-1,3-phenylene ether), poly (2,5-dimethyl-1,3-phenylene ether), poly Dimethyl-1,3-phenylene ether), poly (4,5-dimethyl-1,3-phenylene ether), poly (4,6- 6- (3,4-dimethyl-1,2-phenylene ether), poly (3,5-dimethyl-1,2-phenylene ether), poly Dimethyl-1,2-phenylene ether), poly (4,5-dimethyl-1,2-phenylene ether), poly (4,6- Dimethyl-1,2-phenylene ether, and the like, but the present invention is not limited thereto.

In the resin composition, the polyphenylene ether component has a number average molecular weight in the range of 9,000 to 13,000 and a polydispersity index in the range of 2.4 to 3.4. In the thermoplastic resin composition according to one embodiment of the present invention, when the polyphenylene ether component has a number average molecular weight of 9,000 to 13,000 and a polydispersity index of 2.4 to 3.4, the number average molecular weight (i.e., 25000 To 36000) and PDI (2.8 to 5.0), the moldability of the produced resin composition and the appearance of the molded article are improved, while the mechanical properties of the molded article are not substantially deteriorated. Although not intending to be bound by any particular theory, when the polyphenylene ether component has a number average molecular weight in the above-mentioned range and a polydispersity index in the above range, the difference in melt viscosity with the polyamide component during melt- , It is considered that the compatibility between both resin components is improved.

The polyphenylene ether component having a number average molecular weight in the range of 9,000 to 13,000 and a polydispersity index in the range of 2.4 to 3.4 may be composed of two kinds of polyphenylene ether having different molecular weights. Specifically, the polyphenylene ether component comprises a first polyphenylene ether (C) having a number average molecular weight of 8,000 to 11,000 and a polydispersity index of 1.8 to 2.4; And a second polyphenylene ether (D) having a number average molecular weight of 11,001 to 14,000 and a polydispersity index of 1.6 to 2.4. The amount of the first polyphenylene ether (C) and the amount of the second polyphenylene ether (D) in the polyphenylene ether component were respectively adjusted so that the number average molecular weight and polydispersity index of the polyphenylene ether component were 9,000 To 13,000 and in the range of 2.4 to 3.4. For example, the weight ratio of the first polyphenylene ether (C): the second polyphenylene ether (D) may be in the range of 5:95 to 95: 5. The polyphenylene ether whose molecular weight and polydispersity index are adjusted to the above range can be produced according to a known method (for example, a method of US3257357, US3257358, US3306874, US3306875, US4140675, US4234706, etc.), but is not limited thereto .

When the polyphenylene ether component has a number average molecular weight in the above-mentioned range and a polydispersity index in the above-mentioned range, the miscibility with the polyphenylene component becomes high and both components can be mixed well, A molded article can be manufactured. In addition, the molded article produced from the composition thus produced has excellent physical properties such as mechanical strength and electrical characteristics.

(3) Polyolefin  polymer

Optionally, the thermoplastic composition is added in an amount of 0 to 10 parts by weight, specifically 0.1 to 10 parts by weight, more preferably 4 to 9 parts by weight, based on 100 parts by weight of the polyamide component and the polyphenylene ether component, May further comprise a polymer. The polyolefin polymer can improve the moldability of the thermoplastic resin composition and further improve the mechanical properties such as impact resistance.

The polyolefin polymer may have a melt index (MI) of about 0.1 g / 10 min to about 30 g / 10 min. When the melt index of the polyolefin polymer is within the above range, it can be easily mixed with other resins and the mechanical strength of the thermoplastic resin composition containing the same can be effectively improved.

The polyolefin polymer may have a melting point of from about 80 째 C to about 170 째 C, specifically, a melting point of from about 95 째 C to about 135 째 C, more specifically from about 105 째 C to about 125 째 C. When the melting point of the polyolefin polymer is within the above range, the heat resistance and mechanical strength of the thermoplastic resin composition containing the polyolefin polymer can be effectively improved.

The polyolefin polymer may have a weight average molecular weight (Mw) of from about 10,000 g / mol to about 350,000 g / mol, specifically from about 40,000 g / mol to about 300,000 g / mol. When the weight average molecular weight (Mw) of the polyolefin polymer is within the above range, it is easy to work and the mechanical strength of the thermoplastic resin composition containing the polyolefin polymer can be effectively improved.

Specific examples of the polyolefin polymer include high density polyethylene (HDPE), linear low density polyethylene (LLDPE), low density polyethylene (LDPE), ethylene-octene copolymer, ultra-low density polyethylene, But are not limited to, density polyethylene, medium-density polyethylene, ethylene-propylene copolymer, ethylene-butene copolymer, polypropylene, and combinations thereof.

(4) Other ingredients

The thermoplastic resin composition may contain, in addition to the above components (1) to (3), a compatibilizing agent for further improving the miscibility between the polyphenylene ether component and the polyamide component and / or the impact strength of the molded article produced from the thermoplastic resin composition And an impact modifier for enhancing the impact strength.

As the compatibilizing agent, known compounds as compatibilizers of polyphenylene ether and polyamide can be used without limitation. Specific examples of the compatibilizing agent include a liquid diene polymer having a molecular weight of 10,000 or less (e.g., polyisoprene, polybutadiene, etc.), an epoxy compound (e.g., a condensation product of a polyhydric phenol such as bisphenol A), an oxidized polyolefin, (For example, maleic acid, fumaric acid, itaconic acid, maleic anhydride, etc.) or a polyvalent carboxylic acid compound (for example, a compound containing at least one carboxylic acid or acid anhydride group and a carbon- (E.g., citric acid, malic acid, etc.). The compatibilizing agent is contained in an amount of 20 parts by weight or less, specifically 10 parts by weight or less, more specifically 5 parts by weight or less, and more specifically, 5 parts by weight or less, based on 100 parts by weight of the total amount of the polyamide component and the polyphenylene ether component But it is not limited thereto.

As the impact modifier, a usual impact modifier used in a thermoplastic resin composition including polyphenylene ether and polyamide may be used without limitation. Examples of such impact modifiers include, but are not limited to,?? -Diblock copolymers and?? -Triblock copolymers containing an aromatic vinyl block (?) And an olefin block (?). Specific examples of the?? -Dablock copolymer and?? -Triblock copolymer include polystyrene-polybutadiene (SBR), polystyrene-poly (ethylene-propylene) (SEP), polystyrene-polyisoprene, polystyrene-polybutadiene-polystyrene SBS), polystyrene-polyisoprene-polystyrene, and polystyrene (polyethylene-butylene) polystyrene (SEBS). The impact modifier is added in an amount of 20 parts by weight or less, specifically 10 parts by weight or less, more specifically 5 parts by weight or less, more specifically, But it is not limited thereto.

The thermoplastic resin composition may further include at least one additive necessary for improving the injection moldability and for balancing the physical properties, or depending on the final use of the resin composition, in addition to the above components. Specifically, examples of the additives include flame retardants, surfactants, nucleating agents, coupling agents. A stabilizer, a lubricant, an antistatic agent, a pigment, a dye, a flame retardant, and the like may be used alone or in combination of two or more kinds thereof. These can be used in combination. These additives may be appropriately included within a range that does not impair the physical properties of the thermoplastic resin composition, and specifically may be 20 parts by weight or less to 100 parts by weight of the total composition, but are not limited thereto.

According to another embodiment of the present invention, a molded article comprising the thermoplastic composition is prepared. The molded article can be produced by various methods known in the art, such as injection molding, extrusion molding, and the like using the thermoplastic resin composition.

The molded product is excellent in mechanical properties such as impact resistance and rigidity, electrical insulating property and moisture-free property, and is excellent in appearance, and can be advantageously used in various electrical and electronic parts, automobile parts, have.

Example

Hereinafter, the present invention will be described in more detail with reference to examples and comparative examples. However, the following examples and comparative examples are for illustrative purposes only and are not intended to limit the present invention.

Example  1 to 3

Each component shown in Table 1 below was melted and kneaded in the amounts shown in the following Table 1 and extruded into pellets. The extrusion was extruded at a temperature of 280 캜 to 310 캜 using a twin-screw extruder having L / D = 36 and 45 mm in diameter.

Comparative Example  1 to 4

A resin composition in the form of pellets was prepared in the same manner as in Example 1, except that the components and amounts of the polymers shown in Table 1 were used.

Example 1 Example 2 Example 3 Comparative Example 1 Comparative Example 2 Comparative Example 3 Comparative Example 4 (A-1) PA 60 70 70 - 70 - 70 (A-2) PA - - - 70 - 70 - (C-1) PPE 40 30 30 30 - - 30 (C-1) PPE - - - - 30 30 - (E) PO 5 5 9 5 5 5 - (F) Other additives 0.2 0.2 0.2 0.2 0.2 0.2 0.2

Unit: parts by weight

(A-1) Polyamide (prepared by the method described in US4131712): number average molecular weight 30,000, polydispersity index 2.8

(A-2) Polyamide (manufactured by the method described in US413171): number average molecular weight 10,000, polydispersity index 2.1

(C-1) polyphenylene ether (manufactured by the method described in US4140675): number average molecular weight 10,000, polydispersity index 2.4

(C-2) polyphenylene ether (manufactured by the method described in US4140675): number average molecular weight 20,000, polydispersity index: 2.8

(E) Polyolefin: LLDPE (m-LLDPE 7020F, MI (190 属 C, 2.16 Kg): 0.91 g / 10 min,

(F) Other additives: Irganox 1076 of Chiba Specialty Chemicals

Physical property test

The pellets prepared in Examples 1 to 3 and Comparative Examples were dried at 100 ° C. for 3 hours and then dried under the conditions of a cylinder temperature of 310 ° C. and a mold temperature of 60 ° C. using an 80-ton extruder. Izod impact strength, melt index (MI) and appearance (visual evaluation) were measured for each specimen as described below, and the results are summarized in Table 2.

(1) Impact strength:

Notch IZOD impact strength was measured for specimens 1/8 "in accordance with ASTM D 256.

(2) MI:

The dried pellets were measured at 280 ° C under a load of 2.16 kg according to ASTM D 1238 standard.

(3) Appearance:

The appearance of a specimen (thickness 2 mm) produced from a pin gate plate-shaped mold as seen by the naked eye was evaluated by the following criteria: 5 = very excellent, 4 = excellent, 3 = moderate, 2 = poor, 1 = very poor

Example 1 Example 2 Example 3 Comparative Example 1 Comparative Example 2 Comparative Example 3 Comparative Example 4 Exterior 5 5 4 2 2 One 5 IZOD 11 10 16 5 7 6 4 MI 15 20 17 25 12 14 22

From the above table, it can be seen that the specimens prepared from the resin compositions of Examples 1 to 3 exhibit remarkably improved appearance in appearance while maintaining excellent impact strength and moldability.

In contrast, in the case of the compositions of Comparative Examples 1 to 4, the impact strength and fluidity are not satisfactory, and the appearance is remarkably inferior to the composition of the Examples in particular .

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, And falls within the scope of the invention.

Claims (10)

10 to 90 parts by weight of a polyamide component and 90 to 10 parts by weight of a polyphenylene ether component; And 10 parts by weight or less of a polyolefin based on 100 parts by weight of the total of the polyamide component and the polyphenylene ether component; Wherein the polyamide component has a number average molecular weight in the range of 30,000 to 36,000, a polydispersity index in the range of 2.8 to 5.0, and the polyphenylene ether component has a number average molecular weight in the range of 9,000 to 13,000 and a polydispersity index of 2.4 To 3.4. ≪ / RTI > The method according to claim 1,
Wherein the polyamide component is composed of two kinds of polyamides having different number average molecular weights, and the polyphenylene ether component is composed of two kinds of polyphenylene ethers having different number average molecular weights. 3. The method of claim 2,
Wherein the polyamide component comprises a first polyamide (A) having a number average molecular weight of 25,000 to 36,000 and a polydispersity index of 1.3 to 2.9; And a second polyamide (B) having a number average molecular weight of 36,001 to 55,000 and a polydispersity index of 1.3 to 2.9. 3. The method of claim 2,
Wherein the polyphenylene ether component comprises a first polyphenylene ether (C) having a number average molecular weight of 8,000 to 11,000 and a polydispersity index of 1.8 to 2.4; And a second polyphenylene ether (D) having a number average molecular weight of 11,001 to 14,000 and a polydispersity index of 1.6 to 2.4. 10 to 90 parts by weight of a polyamide component composed of the first polyamide (A) and the second polyamide (B) having different number average molecular weights and the first polyphenylene ether (C) and the second polyphenyl 90 to 10 parts by weight of a polyphenylene ether component composed of a phenylene ether (D); And 0 to 10 parts by weight of a polyolefin based on 100 parts by weight of the polyamide component and the polyphenylene ether component,
Wherein the polyamide component has a number average molecular weight in the range of 25,000 to 36,000, a polydispersity index in the range of 2.8 to 5.0, and the polyphenylene ether component has a number average molecular weight in the range of 9,000 to 13,000 and a polydispersity index of 2.4 To 3.4,
Wherein the first polyamide (A) has a number average molecular weight of 25,000 to 36,000, a polydispersity index of 1.3 to 2.9, and the second polyamide (B) has a number average molecular weight of 36,001 to 55,000 and a polydispersity index of 1.3 And the second polyphenylene ether (D) has a number average molecular weight of from 11,000 to 14,000, and the second polyphenylene ether (C) has a number average molecular weight of from 8,000 to 11,000, a polydispersity index of from 1.8 to 2.4, And a polydispersity index of 1.6 to 2.4. 6. The method according to claim 1 or 5,
The thermoplastic resin composition is obtained by mixing an impact modifier selected from an? Beta diblock copolymer and an?? Triblock copolymer containing an aromatic vinyl block (?) And an olefin block (?) In the presence of the polyamide component and the polyphenylene ether component By weight based on 100 parts by weight of the total amount of the thermoplastic resin composition. The method according to claim 6,
The impact modifier may be selected from the group consisting of polystyrene-polybutadiene (SBR), polystyrene-poly (ethylene, propylene) (SEP), polystyrene-polyisoprene, polystyrene-polybutadiene-polystyrene (SBS), polystyrene- (Ethylene, butylene) -polystyrene (SEBS), or a combination thereof. 6. The method according to claim 1 or 5,
The thermoplastic resin composition may be a liquid diene polymer, an epoxy compound, an oxidized polyolefin wax, a quinone compound, an organosilane compound, a polyfunctional compound composed of a carbon-carbon double bond and at least one carboxylic acid, a precursor of an electro- A compatibilizing agent selected from an acid anhydride of a polyfunctional compound, a polycarboxylic acid compound and a functionalized polyarylene ether is used in an amount of 20 parts by weight or less based on 100 parts by weight of the total of the polyamide component and the polyphenylene ether component By weight of the thermoplastic resin composition. 9. The method of claim 8,
Wherein the compatibilizing agent is at least one selected from the group consisting of maleic acid, fumaric acid, itaconic acid, maleic anhydride, citric acid, malic acid, and combinations thereof. A molded article produced from the thermoplastic resin composition according to any one of claims 1 to 5.