WO2011081318A2

WO2011081318A2 - Thermoplastic resin composition and molded part using same

Info

Publication number: WO2011081318A2
Application number: PCT/KR2010/008810
Authority: WO
Inventors: 추동휘; 하두한; 김인철; 진성훈
Original assignee: 제일모직 주식회사
Priority date: 2009-12-29
Filing date: 2010-12-09
Publication date: 2011-07-07
Also published as: WO2011081318A3

Abstract

Disclosed are a thermoplastic resin composition and a molded part using same. The thermoplastic resin composition comprises: (A) a base resin including (A-1) a poly(alkyl methacrylate) resin and (A-2) a vinyl-based copolymer; and (B) a copolymer having a core-shell structure, in which a copolymer of at least two compounds selected from an aromatic vinyl compound, cyanic vinyl compound, and acrylic compound is grafted onto a gum polymer.

Description

Thermoplastic resin composition and molded article using same

The present disclosure relates to a thermoplastic resin composition and a molded article using the same.

Acrylonitrile-butadiene-styrene (ABS) resins are widely used in electrical and electronic parts and office equipment because of their excellent impact resistance and workability, and good mechanical strength, heat deformation temperature and glossiness. However, when used in high-end consumer housings, such as LCD, PDP TV, audio, etc., there is a problem that the product value is low due to the easy generation of scratches during injection molding or use and difficult to express the color of the high-quality texture.

In order to solve this problem, the surface of the injection molded product of ABS resin has been coated with urethane, UV coating treatment or acrylic resin having excellent scratch characteristics. However, such work is accompanied by the problem of productivity degradation such as the complexity of the work and the increase of the defective rate by the addition of additional post-processing process and the environmental pollution problem due to the painting.

Accordingly, there is an urgent need for the development of new resins that can improve gloss and impact resistance, facilitate injection molding operations, and improve scratch characteristics generated during use.

One aspect of the present invention is to provide a thermoplastic resin composition excellent in scratch resistance, colorability, high temperature thermal stability, impact resistance, glossiness, transparency, weather resistance, processability and the like.

Another aspect of the present invention is to provide a molded article using the thermoplastic resin composition.

One aspect of the present invention is (A) 60 to 95% by weight of a base resin comprising (A-1) polyalkyl (meth) acrylate resin and (A-2) vinyl copolymer; And (B) 5 to 40% by weight of a copolymer of a core-shell structure in which a polymer of at least two compounds of an aromatic vinyl compound, a vinyl cyanide compound, and an acrylic compound is grafted to the rubbery polymer, and with respect to the total amount of the thermoplastic resin composition It provides a thermoplastic resin composition containing 30 to 60% by weight of methyl (meth) acrylate.

The weight average molecular weight of the polyalkyl (meth) acrylate resin (A-1) may be 15,000 to 150,000 g / mol.

The vinyl copolymer (A-2) may be a copolymer of an aromatic vinyl compound and a vinyl cyanide compound, and may be a copolymer of 75 to 90 wt% of the aromatic vinyl compound and 10 to 25 wt% of the vinyl cyanide compound. .

The base resin (A) may include 20 to 80 wt% of the polyalkyl (meth) acrylate resin (A-1) and 20 to 80 wt% of the vinyl copolymer (A-2).

The core-shell copolymer (B) may be a graft of the polymer of the aromatic vinyl compound and the vinyl cyanide compound to the rubbery polymer.

The core-shell copolymer (B) may be a grafted polymer of 30 to 70% by weight of the rubbery polymer, 20 to 40% by weight of the aromatic vinyl compound and 5 to 20% by weight of the vinyl cyanide compound. .

The vinyl cyanide compound may be included in an amount of 1 to 20% by weight, and specifically 5 to 20% by weight, based on the total amount of the polymer of the aromatic vinyl compound and the vinyl cyanide compound.

The core-shell copolymer (B) may be a graft of the polymer of the aromatic vinyl compound, the vinyl cyanide compound and the acrylic compound to the rubbery polymer.

The core-shell copolymer (B) is 30 to 70% by weight of the rubbery polymer, 20 to 40% by weight of the aromatic vinyl compound, 5 to 20% by weight of the vinyl cyanide compound and 1 to 10% by weight of the acrylic compound. The polymer of may be grafted.

The vinyl cyanide compound may be included in an amount of 1 to 20 wt% based on the total amount of the polymer of the aromatic vinyl compound, the vinyl cyanide compound, and the acrylic compound.

The rubbery polymer may include polybutadiene, polyisoprene, polychloroprene, butadiene-styrene copolymer, butadiene-acrylonitrile copolymer or combinations thereof.

Another aspect of the present invention provides a molded article manufactured using the thermoplastic resin composition.

Other details of aspects of the invention are included in the following detailed description.

Since a thermoplastic resin composition having excellent scratch resistance, colorability, high temperature thermal stability, impact resistance, glossiness, transparency, weather resistance, processability, and the like is provided, it can be usefully used in various electric and electronic parts, automobile parts, general goods, and the like.

Hereinafter, embodiments of the present invention will be described in detail. However, this is presented as an example, by which the present invention is not limited and the present invention is defined only by the scope of the claims to be described later.

Unless otherwise specified herein, "(meth) acrylate" means that both "acrylate" and "methacrylate" are possible.

Thermoplastic resin composition according to one embodiment includes (A) a basic resin comprising (A-1) polyalkyl (meth) acrylate resin and (A-2) vinyl copolymer; And (B) a copolymer of a core-shell structure in which a rubber polymer is grafted with a polymer of at least two compounds of an aromatic vinyl compound, a vinyl cyanide compound and an acrylic compound.

Hereinafter, each component included in the thermoplastic resin composition according to one embodiment will be described in detail.

(A) basic resin

(A-1) polyalkyl (meth) acrylate resin

The polyalkyl (meth) acrylate resin is resistant to hydrolysis and can improve scratch resistance of the thermoplastic resin composition.

The polyalkyl (meth) acrylate resin can be obtained by polymerizing a raw material monomer containing an alkyl (meth) acrylate by a known polymerization method such as suspension polymerization, bulk polymerization, emulsion polymerization or the like.

The alkyl (meth) acrylate has an alkyl group of C1 to C10, methyl (meth) acrylate, ethyl (meth) acrylate, butyl (meth) acrylate, glycidyl (meth) acrylate, hydroxyethyl (Meth) acrylate etc. are mentioned.

At this time, the alkyl (meth) acrylate may be included in more than 50% by weight relative to the total amount of the polyalkyl (meth) acrylate resin, specifically, it may be included in 80 to 99% by weight. When included in the above content, the heat resistance of the obtained molded article is improved, and since the intermolecular interaction with the vinyl-based copolymer and the core-shell copolymer described later is increased to improve affinity, hydrolysis resistance and scratch resistance Sex is improved.

The raw material monomer may further include a vinyl monomer in addition to the alkyl (meth) acrylate. As said vinylic monomer, Aromatic vinyl monomers, such as styrene, (alpha) -methylstyrene, (rho) -methylstyrene; Unsaturated nitrile monomers, such as acrylonitrile and methacrylonitrile, etc. can be used, These can be used individually or in mixture.

The polyalkyl (meth) acrylate resin may have a weight average molecular weight in the range of 10,000 to 200,000 g / mol, specifically, may have a range of 15,000 to 150,000 g / mol. When the weight average molecular weight of the polyalkyl (meth) acrylate is in the above range, it is excellent in compatibility with the vinyl copolymer described later and the copolymer of the core-shell structure, and thus excellent in hydrolysis resistance, scratch resistance, processability, and the like. .

The polyalkyl (meth) acrylate resin may be included in 20 to 80% by weight based on the total amount of the base resin, specifically, may be included in 30 to 60% by weight. When the polyalkyl (meth) acrylate resin is used within the above range, the processability, hydrolysis resistance, scratch resistance and the like are excellent.

(A-2) Vinyl Copolymer

The vinyl copolymer may be a copolymer of an aromatic vinyl compound and a vinyl cyanide compound.

The vinyl copolymer may be produced as a by-product in the preparation of the core-shell structure copolymer described below, and particularly, when a copolymer of an excess of an aromatic vinyl compound and a vinyl cyanide compound is grafted to a small amount of rubbery polymer. In case of using excessive amount of chain transfer agent, which is used as molecular weight control agent, it may occur more.

As the aromatic vinyl compound, styrene, C1 to C10 alkyl substituted styrene, halogen substituted styrene, vinyl toluene, vinyl naphthalene or a combination thereof may be used. Specific examples of the alkyl substituted styrene include α-methyl styrene, p-methyl styrene, o-ethyl styrene, m-ethyl styrene, p-ethyl styrene, p-t-butyl styrene, 2,4-dimethyl styrene, and the like.

As the vinyl cyanide compound, acrylonitrile, methacrylonitrile, ethacrylonitrile or a combination thereof may be used.

Specific examples of the vinyl copolymer include copolymers of styrene and acrylonitrile; copolymers of α-methylstyrene and acrylonitrile; Or copolymers of styrene, α-methylstyrene, and acrylonitrile, and among these, copolymers of styrene and acrylonitrile are preferable.

The vinyl copolymer may be prepared by emulsion polymerization, suspension polymerization, solution polymerization or bulk polymerization, and a weight average molecular weight of 15,000 kPa to 400,000 g / mol may be used.

The vinyl cyanide compound may be included in an amount of 10 to 25 wt% based on the total amount of the vinyl copolymer (A-2), specifically, 15 wt% to 20 wt%. In addition, the aromatic vinyl compound may be included in an amount of 75 to 90% by weight based on the total amount of the vinyl copolymer (A-2), specifically, 80 to 85% by weight. When the vinyl cyanide compound and the aromatic vinyl compound are included in the content range, the colorability, scratch resistance and high temperature thermal stability are excellent.

The vinyl-based copolymer may be included in 20 to 80% by weight based on the total amount of the base resin, specifically, may be included in 40 to 70% by weight. When the vinyl copolymer is included in the above range, it is excellent in workability, impact resistance, scratch resistance and the like.

The base resin (A) consisting of the polyalkyl (meth) acrylate resin (A-1) and the vinyl copolymer (A-2) may be included in an amount of 60 to 95 wt% based on the total amount of the thermoplastic resin composition, Specifically, 80 wt% to 90 wt% may be included. When the base resin is used within the above range, it is excellent in impact resistance, scratch resistance, colorability, high temperature thermal stability and the like.

(B) a core-shell copolymer

The core-shell copolymer may be a copolymer in which a polymer of at least two compounds of an aromatic vinyl compound, a vinyl cyanide compound, and an acrylic compound is grafted to a rubbery polymer.

The core-shell copolymer is specifically a copolymer in which a polymer of an aromatic vinyl compound and a vinyl cyanide compound is grafted to (B-1) rubbery polymer, or (B-2) an aromatic vinyl compound or cyanide in rubbery polymer. The polymer of the vinyl compound and the acrylic compound may be a grafted copolymer.

The rubbery polymer may be a diene-based compound, specifically, polybutadiene, polyisoprene, polychloroprene, butadiene-styrene copolymer, butadiene-acrylonitrile copolymer, or a combination thereof may be used, and among them, poly Butadiene, butadiene-styrene copolymer, butadiene-acrylonitrile copolymer or a combination thereof can be used.

The average particle diameter of the rubber particles made of the rubbery polymer may be 0.1 to 0.6 μm, specifically 0.2 to 0.5 μm. When the rubber particles have an average particle diameter in the above range, the impact strength is excellent.

As said acryl-type compound, a (meth) acrylic-acid alkylester, (meth) acrylic acid ester, or a combination thereof can be used. In this case, the alkyl means C1 to C10 alkyl.

Specific examples of the (meth) acrylic acid alkyl esters include methyl (meth) acrylate, ethyl (meth) acrylate, propyl (meth) acrylate, butyl (meth) acrylate, and the like. (Meth) acrylates can be used. Moreover, (meth) acrylate etc. are mentioned as a specific example of the said (meth) acrylic acid ester.

The copolymer (B-1) may be a copolymer in which a polymer of 30 to 70 wt% of the rubbery polymer, 20 to 40 wt% of the aromatic vinyl compound and 5 to 20 wt% of the vinyl cyanide compound is grafted. Specifically, the copolymer may be grafted with 50 to 60 wt% of the rubbery polymer, and 25 wt% to 35 wt% of the aromatic vinyl compound and 10 wt% to 15 wt% of the vinyl cyanide compound. When the (B-1) copolymer is made in the above ratio range, it is excellent in high temperature thermal stability, impact resistance, colorability, and the like.

The vinyl cyanide compound in the copolymer (B-1) may be included in an amount of 1 to 20% by weight, specifically, 5 to 20% by weight based on the total amount of the polymer of the aromatic vinyl compound and the vinyl cyanide compound. More specifically, it may be included in 5 to 15% by weight. When the vinyl cyanide compound is included in the above range, it is excellent in high temperature thermal stability and colorability.

Examples of the polymer of the aromatic vinyl compound and the vinyl cyanide compound in the (B-1) copolymer include polymers of styrene and acrylonitrile; polymers of α-methylstyrene and acrylonitrile; The polymer of styrene, (alpha) -methylstyrene, and acrylonitrile, etc. are mentioned, Among these, the polymer of styrene and acrylonitrile is mentioned preferably.

As a specific example of the said (B-1) copolymer, the copolymer in which the polymer of styrene and acrylonitrile was grafted to polybutadiene is mentioned.

The copolymer (B-2) is a polymer of 30 to 70% by weight of the rubbery polymer, 20 to 40% by weight of the aromatic vinyl compound, 5 to 20% by weight of the vinyl cyanide compound and 1 to 10% by weight of the acrylic compound. It may be a grafted copolymer. Specifically, a copolymer in which a polymer of 20 to 25% by weight of the aromatic vinyl compound, 5 to 10% by weight of the vinyl cyanide compound and 5 to 10% by weight of the acrylic compound is grafted to 50 to 60% by weight of the rubbery polymer. Can be. When the (B-2) copolymer is in the ratio range, it is excellent in high temperature thermal stability, impact resistance, colorability, and the like.

The vinyl cyanide compound in the copolymer (B-2) may be included in an amount of 1 to 20% by weight, and specifically 5 to 15% by weight, based on the total amount of the polymer of the aromatic vinyl compound, the vinyl cyanide compound, and the acrylic compound. May be included. When the vinyl cyanide compound is included in the above range, it is excellent in high temperature thermal stability and colorability. 　

Examples of the polymer of the aromatic vinyl compound, the vinyl cyanide compound and the acryl-based compound in the copolymer (B-2) include polymers of styrene, acrylonitrile and methyl methacrylate; polymers of α-methylstyrene, acrylonitrile and methyl methacrylate; The polymer of styrene, (alpha) -methylstyrene, acrylonitrile, and methyl methacrylate, etc. are mentioned, Among these, the polymer of styrene, acrylonitrile, and methyl methacrylate is mentioned.

As a specific example of the said (B-2) copolymer, the copolymer in which the polymer of styrene, acrylonitrile, and methyl methacrylate was grafted to polybutadiene is mentioned.

The method for preparing the core-shell structure copolymer is well known to those skilled in the art, and any method of emulsion polymerization, suspension polymerization, solution polymerization or bulk polymerization may be used. And an aromatic vinyl compound and a vinyl cyanide compound are added in the presence of a rubbery polymer, and emulsion polymerization or bulk polymerization is carried out using a polymerization initiator.

The core-shell copolymer may be included in an amount of 5 to 40 wt%, and specifically 10 to 20 wt%, based on the total amount of the thermoplastic resin composition. When the copolymer of the core-shell structure is used within the above range, it is excellent in impact resistance, scratch resistance, glossiness, and the like.

(C) other additives

Thermoplastic resin composition according to one embodiment is an antibacterial agent, heat stabilizer, antioxidant, mold release agent, light stabilizer, surfactant, coupling agent, plasticizer, admixture, weathering agent, colorant, stabilizer, lubricant, antistatic agent, colorant, flame retardant, ultraviolet absorber It may further comprise an additive of a sunscreen, a nucleating agent, an adhesion aid, an adhesive or a combination thereof.

The antioxidant may be a phenol, phosphite, thioether or amine antioxidant, the release agent is a fluorine-containing polymer, silicone oil, metal salt of stearic acid, montanic acid Metal salts, montanic acid ester waxes or polyethylene waxes may be used. In addition, a benzophenone type or an amine type weathering agent may be used as the weathering agent, a dye or a pigment may be used as the coloring agent, and titanium dioxide (TiO ₂ ) or carbon black may be used as the sunscreen. In addition, talc or clay may be used as the nucleating agent.

The additive may be appropriately included within a range that does not impair the physical properties of the thermoplastic resin composition, specifically, may be included in 40 parts by weight or less with respect to 100 parts by weight of the thermoplastic resin composition, more specifically 0.1 to 30 parts by weight May be included.

When the above-mentioned thermoplastic resin composition is analyzed using ¹ H-NMR spectroscopy, methyl (meth) acrylate is contained in the thermoplastic resin composition. In this case, the methyl (meth) acrylate may be contained in 30 to 60% by weight, specifically 40 to 50% by weight based on the total amount of the thermoplastic resin composition.

The above-mentioned thermoplastic resin composition may have a pencil hardness of F to 3H measured based on JIS K5401, R-hardness measured to ASTM D785 may have a range of 110 to 123, and ASTM D256 Izod impact strength measured as a reference may have a range of 7 to 20 kgf · cm / cm.

The thermoplastic resin composition according to one embodiment may be prepared by a known method for preparing a resin composition. For example, the components and other additives according to one embodiment may be mixed simultaneously, then melt extruded in an extruder and prepared in pellet form.

According to another embodiment, a molded article manufactured by molding the aforementioned thermoplastic resin composition is provided. That is, a molded article can be manufactured by various processes, such as injection molding, blow molding, extrusion molding, and thermoforming, using the said thermoplastic resin composition. In particular, it can be usefully used in various electrical and electronic parts, automotive parts, general goods, etc., which require excellent scratch resistance, colorability, high temperature thermal stability, impact resistance, glossiness, weather resistance, and workability.

Hereinafter, preferred embodiments of the present invention are described. However, the following examples are only preferred embodiments of the present invention, and the present invention is not limited by the following examples.

EXAMPLE

Each component used in the preparation of the thermoplastic resin composition according to one embodiment is as follows.

(A) basic resin

(A-1) polyalkyl (meth) acrylate resin

As a polymethyl methacrylate (PMMA) resin having a weight average molecular weight of 85,000 g / mol, PM-7200 of Cheil Industries was used.

(A-2) Vinyl Copolymer

(A-2-1) A styrene-acrylonitrile (SAN) resin having an acrylonitrile content of 15% by weight and a weight average molecular weight of 100,000 g / mol was used.

(A-2-2) A styrene-acrylonitrile (SAN) resin having an acrylonitrile content of 20% by weight and a weight average molecular weight of 84,000 g / mol was used.

(B) a core-shell copolymer

(B-1) Acrylonitrile-butadiene-styrene (g-ABS) copolymer obtained by grafting 58 weight% of polybutadiene 58 weight% to styrene styrene and 10 weight% of acrylonitrile with an average particle diameter of 0.4 µm Used.

(B-2) Acrylonitrile-butadiene-styrene grafted with 30% by weight of styrene, 7% by weight of acrylonitrile and 5% by weight of methyl methacrylate to 58% by weight of polybutadiene having an average particle diameter of 0.4 m (g-MABS) copolymer was used.

(C) carbon black

As carbon black, HI-BLACK 50L manufactured by EVONIK Corporation was used.

실시예 1 내지 10　및 비교예 1 내지 4Examples 1-10 ′ and Comparative Examples 1-4

Using the above-mentioned components, the thermoplastic resin compositions according to Examples 1 to 10 ′ and Comparative Examples 1 to 4 were prepared in the compositions shown in Tables 1 and 2 below.

As the production method, each component was mixed with the composition shown in Tables 1 and 2, and extruded in a conventional twin screw extruder at a temperature range of 210 to 230 ° C., and then an extrudate was prepared in pellet form.

(Test example)

After drying the prepared pellets for 4 hours at 80 ℃, using an injection molding machine having an injection capacity of 6 oz, set the cylinder temperature 240 ℃, mold temperature 60 ℃ and the time of the mold forming cycle to 40 seconds, ASTM dumbbell ( dumb-bell) injection molded into a specimen to prepare a physical specimen. The prepared material specimens were measured for physical properties in the following manners and the results are shown in Tables 1 and 2 below.

(1) Methyl (meth) acrylate content analysis: It measured using ¹ H-NMR spectroscopy. After obtaining a calibration curve using a sample that knows the exact input content, the methyl methacrylate content in the prepared physical specimens was measured by 500 MHz H-NMR of BRUKER.

(2) IZOD impact strength: measured according to ASTM D256 (sample thickness 1/8 ").

(3) Glossiness: Measured according to ASTM D523.

(4) R-hardness: measured according to ASTM D785.

(5) Pencil hardness: After preparing a specimen with a thickness of 3mm, a length of 10mm and a width of 10mm at 500 ° C. at 23 ° C. based on JIS K5401, the degree of scratching was visually determined by applying five times to the surface of the specimen. The occurrence of abnormality was determined as pencil hardness grades 4B to 7H.

(6) Flowability: The flowability of 10 kg of the specimen at 220 ° C. was measured based on ISO1103.

(7) Transparency: Measured by a color computer measuring apparatus manufactured by SUGAINSTRUMENT, Japan, and the results are expressed as Haze using total light transmittance as shown in Equations 1 and 2 below.

[Equation 1]

Total light transmittance (%) = (sample transmitted light) / (sample irradiation light) × 100

[Equation 2]

Haze (%) = (dispersed transmitted light) / (total light transmittance) × 100

(8) Colorability: dL value was measured and evaluated using the color difference machine. At this time, when the dL value is in the negative direction, the brightness decreases, which means that the deep black characteristic is expressed and the colorability is excellent. Also observed with the naked eye.

(9) High temperature thermal stability: Using a Dongshin hydraulic 150Ton injection machine, and after the resin stayed at the cylinder temperature of 270 ℃ for 10 minutes, the degree of gas silver generated in the continuously injected specimen was visually evaluated. The dL value of the specimen after retention was evaluated on the basis of the specimen, and the appearance level was visually evaluated. In this case, when the dL value is in the positive direction, deep black characteristics are deteriorated and high temperature thermal stability is deteriorated. The mold used a pin-point mold.

＊ Gas silver: ◎ -not occurred, ○ -fine occurrence, △-generation, ×-generation severe

* Visual: ◎-Very good, ○-Excellent, △-Lower, ×-Lower severe

Table 1

TABLE 2

* Parts by weight: Content units represented based on 100 parts by weight of the total amount of the base resin (A) and the copolymer (B) of the core-shell structure.

** Weight%: It is a unit which showed content of methyl (meth) acrylate in the total amount of the said base resin (A) and the copolymer (B) of a core-shell structure.

Through Tables 1 and 2, according to one embodiment, a polymer of at least two compounds of an aromatic vinyl compound, a vinyl cyanide compound, and an acrylic compound in a polyalkyl (meth) acrylate resin, a vinyl copolymer, and a rubbery polymer is graphed. Examples 1 to 10 in which the thermoplastic resin composition including the copolymer of the core-shell structure is used and methyl (meth) acrylate is contained in an appropriate amount in the thermoplastic resin composition are used. Compared to the case, it can be seen that the impact resistance, glossiness, transparency, scratch resistance, processability, colorability, high temperature thermal stability, and the like have excellent physical property balance. In particular, it is excellent in glossiness, scratch resistance, colorability, and the like, and it is understood that there is no need to go through a post-processing process such as UV coating and acrylic resin film attachment process.

Particularly, Comparative Examples 1 and 2, which do not use a core-shell copolymer, have excellent gloss, scratch resistance, and colorability, but are difficult to apply due to reduced impact resistance and workability, and polyalkyl (meth) acrylate resins. Comparative Example 3, which does not use the excellent impact resistance, but gloss, scratch resistance and colorability is not suitable for application to the unpainted process, Comparative Example 4 without the use of a vinyl copolymer impact resistance and high temperature thermal stability It can be seen that this is degraded.

The present invention is not limited to the above embodiments, but may be manufactured in various forms, and a person skilled in the art to which the present invention pertains has another specific form without changing the technical spirit or essential features of the present invention. It will be appreciated that the present invention may be practiced as. Therefore, it should be understood that the embodiments described above are exemplary in all respects and not restrictive.

Claims

(A) 60 to 95% by weight of a base resin comprising (A-1) polyalkyl (meth) acrylate resin and (A-2) vinyl copolymer; And

(B) a rubbery polymer comprising 5 to 40% by weight of a copolymer of a core-shell structure in which a polymer of at least two of an aromatic vinyl compound, a vinyl cyanide compound and an acrylic compound is grafted,

A thermoplastic resin composition containing 30 to 60% by weight of methyl (meth) acrylate relative to the total amount of the thermoplastic resin composition.
The method of claim 1,

The weight average molecular weight of the polyalkyl (meth) acrylate resin (A-1) is 15,000 to 150,000 g / mol thermoplastic resin composition.
The method of claim 1,

The vinyl copolymer (A-2) is a thermoplastic resin composition which is a copolymer of an aromatic vinyl compound and a vinyl cyanide compound.
The method of claim 3,

The vinyl copolymer (A-2) is a thermoplastic resin composition of 75 to 90% by weight of the aromatic vinyl compound and 10 to 25% by weight of the vinyl cyanide compound.
The method of claim 1,

The base resin (A) is a thermoplastic resin composition comprising 20 to 80% by weight of the polyalkyl (meth) acrylate resin (A-1) and 20 to 80% by weight of the vinyl copolymer (A-2). .
The method of claim 1,

The core-shell copolymer (B) is a thermoplastic resin composition in which the polymer of the aromatic vinyl compound and the vinyl cyanide compound is grafted to the rubbery polymer.
The method of claim 1,

The core-shell copolymer (B) is a thermoplastic resin composition in which the polymer of the aromatic vinyl compound, the vinyl cyanide compound and the acrylic compound is grafted to the rubbery polymer.
The method of claim 6,

The core-shell copolymer (B) is a thermoplastic material in which a polymer of 20 to 40 wt% of the aromatic vinyl compound and 5 to 20 wt% of the vinyl cyanide compound is grafted to 30 to 70 wt% of the rubbery polymer. Resin composition.
The method of claim 6,

The vinyl cyanide compound is contained in 1 to 20% by weight based on the total amount of the polymer of the aromatic vinyl compound and the vinyl cyanide compound.
The method of claim 6,

The vinyl cyanide compound is 5 to 20% by weight based on the total amount of the polymer of the aromatic vinyl compound and the vinyl cyanide compound.
The method of claim 7, wherein

The core-shell copolymer (B) is 30 to 70% by weight of the rubbery polymer, 20 to 40% by weight of the aromatic vinyl compound, 5 to 20% by weight of the vinyl cyanide compound and 1 to 10% by weight of the acrylic compound. The thermoplastic resin composition of the polymer of the grafted.
The method of claim 7, wherein

The vinyl cyanide compound is a thermoplastic resin composition containing 1 to 20% by weight based on the total amount of the polymer of the aromatic vinyl compound, vinyl cyanide compound and acrylic compound.
The method of claim 1,

Wherein said rubbery polymer comprises polybutadiene, polyisoprene, polychloroprene, butadiene-styrene copolymer, butadiene-acrylonitrile copolymer, or a combination thereof.
The molded article manufactured using the thermoplastic resin composition of any one of Claims 1-13.