KR101240322B1 - Low Gloss Thermoplastic Resin Composition Having Good Weatherability - Google Patents

Abstract

The low-gloss thermoplastic resin composition excellent in weatherability of the present invention is composed of 30 to 80% by weight of an acrylic graft copolymer resin having a rubber particle diameter of 0.3 to 0.8 µm and 20 to 70% by weight of an aromatic vinyl-vinyl cyanide copolymer resin. The acrylic graft copolymer resin is a graft polymerization of 40 to 70% by weight of the aromatic vinyl-vinyl cyanide copolymer to 30 to 60% by weight of the acrylic rubber. The thermoplastic resin composition of the present invention may increase the average particle diameter of the acrylic rubber to ensure excellent weather resistance and low light properties.

Acrylic rubber, ASA resin, SAN resin, low light characteristics, weather resistance, crosslinking agent, emulsifier

Description

Low Gloss Thermoplastic Resin Composition Having Good Weatherability

 The present invention relates to a low gloss thermoplastic resin composition excellent in weatherability. More specifically, the present invention relates to a thermoplastic resin composition by applying an acrylic graft copolymer resin to excellent weather resistance without a coating process and to implement low light properties of the appearance without adding a matting agent.

In general, butadiene-styrene-acrylonitrile-based (hereinafter referred to as ABS) resin has excellent impact resistance, processability, and mechanical strength, and is widely used in various applications such as electric and electronic housings and automotive interior and exterior materials. However, ABS resin has a problem in that the physical properties of the double bond in the butadiene rubber used for impact reinforcement decomposed by oxygen, ozone, UV, etc. in the air is sharply reduced and discoloration occurs.

In contrast, acrylic graft copolymer resins such as acrylonitrile-styrene-acrylate (hereinafter referred to as ASA) resins use acrylic rubber instead of butadiene to significantly improve weather resistance and chemical resistance, which are the biggest drawbacks of ABS resins. In addition, even when exposed to outdoor use for a long time and exposure to chemicals, the physical properties of the product and the appearance of the molded article are less than those of the ABS resin. Therefore, ASA resin is used for the application of the site exposed to external weather and chemicals as it is finished product immediately after molding without requiring coating treatment for improving weather resistance or chemical resistance.

Thus, ASA resin which does not need the painting process can reduce the processing cost and can suppress environmental harmful substances generated during the painting process. In addition, there is an advantage that can be re-processed scraps impossible after painting can greatly reduce the material cost and waste amount. However, due to the difference in degree, it is not possible to fundamentally suppress the decomposition of polymers by UV, and in recent years, demand for outdoor use such as automobile exterior parts and building exterior materials is increasing, and it is a technical task to improve weather resistance against UV. Can be.

In addition, the tendency to prefer low-light characteristics of the surface of the product is increasing due to the recent trend of high-end appliances, automotive interior materials and the like. For this purpose, a coating process is required on the surface after injection molding, and a method of adding glossiness to the existing ASA resin to scatter surface gloss and reducing gloss without post-coating is used.

However, the method of using an expensive matting additive in the case of applying to a low gloss use has a problem that the quality of the product is deteriorated, such as not only an increase in manufacturing cost but also a peeling problem, a property deterioration problem, and a partial gloss.

Accordingly, by directly changing the raw material structure of the ASA resin itself, development of a high weatherability styrene-based thermoplastic resin which can reduce cost and maintain quality compared to the conventional technology is being made. As such a conventional technique, the Korean patent application No. KR2004-7004262 has a compound having two or more epoxy groups per molecule and a number average molecular weight of more than 1,500, a number average molecular weight of 500 to 10,000, and a polyolefin or polyether structural unit and a molecule. For a reaction product (ii) of a compound containing two or more terminal primary amine functions per sugar, a gloss reducer comprising a reaction product in which the sum of the epoxy functional groups of (iii) and the terminal amine groups of (ii) must be greater than 4 Disclosed is a thermoplastic resin composition incorporated in ASA.

However, the resin may exhibit some low gloss performance and weather resistance, but does not help to improve the disadvantages of cost increase and quality deterioration by adding a third matting additive.

Therefore, the present inventors apply the acrylic graft copolymer resin, in which the size and shape of the rubber particles are changed in order to solve the above problems, not only having excellent weather resistance without adding a matting agent, but also reducing basic properties and reducing cost. It is therefore possible to develop possible low gloss thermoplastic resin compositions.

An object of the present invention is to provide a thermoplastic resin composition having excellent weather resistance and low light properties.

It is another object of the present invention to provide a thermoplastic resin composition having weather resistance and low light characteristics but not deteriorating impact strength or fluidity.

Still another object of the present invention is to provide a thermoplastic resin composition having excellent low light properties by controlling the size of rubber particles of an acrylic graft polymer without adding a matting agent.

 Another object of the present invention is to provide a thermoplastic resin composition excellent in weatherability and low light properties suitable for the use of building exterior materials.

The above and other objects of the present invention can be achieved by the present invention described in detail.

The present invention (A) 30 to 80% by weight of the acrylic graft copolymer resin having a rubber particle diameter of 0.3 ~ 0.8 ㎛; And (B) 20 to 70 wt% of an aromatic vinyl-vinyl cyanide copolymer resin.

The acrylic graft copolymer resin (A) is a graft polymerization of 40 to 70 wt% of an aromatic vinyl-vinyl cyanide copolymer to 30 to 60 wt% of an acrylic rubber.

In one embodiment the acrylic rubber is methyl acrylate, ethyl acrylate, n-propyl acrylate, n-butyl acrylate, 2-ethylhexyl acrylate, hexyl methacrylate, 2-ethylhexyl methacrylate and these It is characterized in that the polymer of the monomer selected from the group consisting of a mixture of.

In one embodiment, the aromatic vinyl monomer is styrene, alpha-methylstyrene, o-methylstyrene, m-methylstyrene, p-methylstyrene, o-ethylstyrene, m-ethylstyrene, p-ethylstyrene, propylstyrene , Butyl styrene, 1-vinyl naphthalene, 2-vinyl naphthalene, vinyl toluene, and mixtures thereof.

The vinyl cyanide monomer may be selected from the group consisting of acrylonitrile, methacrylonitrile, ethacrylonitrile and mixtures thereof.

The thermoplastic resin composition is an anti-dripping agent, antioxidant, plasticizer, thermal stabilizer, light stabilizer, compatibilizer, impact modifier, flame retardant, flame retardant aid, surfactant, nucleating agent, coupling agent. Fillers, plasticizers, admixtures, colorants, emulsifiers, crosslinkers, stabilizers, lubricants, antibacterial agents, mold release agents, antistatic agents, pigments, dyes, inorganic additives, flame retardants and mixtures thereof may be further included.

This invention includes the molded article which shape | molded the said resin composition. The molded article may include a building exterior material and automobile interior parts.

In an embodiment the molded article has a glossiness of 20 to 45% measured according to ASTM D-523 using a 60 degree glossmeter and a notched izod impact strength measured according to ASTM D-256 at a thickness of 1/8 ". Is 35 to 45 kgf · cm / cm, the fluidity measured according to ISO 1133 is 3 to 6 g / 10min, and the weatherability measured according to SAE J1960 may have a value of 0.1 to 0.4 dE.

The present invention provides a low-gloss thermoplastic resin composition that is not only excellent in weatherability, but also does not deteriorate in basic physical properties and can reduce costs by applying an acrylate-based graft copolymer in which the size and shape of rubber particles are changed. Has the effect. Therefore, it is possible to manufacture a plastic molded article showing more excellent physical properties using the resin composition, it can be widely used for the exterior materials of various buildings, interior parts of automobiles, unpainted exterior housing.

The low-gloss thermoplastic resin composition excellent in weatherability of the present invention (A) 30 to 80% by weight of the acrylic graft copolymer resin having a rubber particle diameter of 0.3 to 0.8 ㎛; And (B) 20 to 70% by weight of an aromatic vinyl-vinyl cyanide copolymer resin. In one embodiment the thermoplastic resin composition is (A) 40 to 70% by weight acrylic graft copolymer resin; And (B) 30 to 60% by weight of an aromatic vinyl-vinyl cyanide copolymer resin. In another embodiment, the thermoplastic resin composition includes (A) 40 to 60 wt% of an acrylic graft copolymer resin; And (B) 40 to 60% by weight of an aromatic vinyl-vinyl cyanide copolymer resin.

Each component of the low gloss thermoplastic resin composition excellent in the weatherability of this invention is demonstrated in detail below.

(A) Acrylic Graft Copolymer Resin

The acrylic graft polymer (A) according to the present invention may use 30 to 80% by weight in the total thermoplastic resin composition. If the content of the acrylic graft polymer (A) is less than 30% by weight, it is difficult to obtain desirable low light properties, and if it exceeds 80% by weight, fluidity decreases.

The acrylic graft copolymer resin (A) according to the present invention comprises 30 to 60 wt% of the acrylic rubber and 40 to 70 wt% of the aromatic vinyl-vinyl cyanide copolymer. In one embodiment, the acrylic graft copolymer resin (A) is prepared by polymerizing 50 to 70 wt% of an aromatic vinyl-vinyl cyanide copolymer to 30 to 50 wt% of an acrylic rubber by an emulsion graft polymerization method.

As the copolymer of the vinyl cyanide compound and the aromatic vinyl compound, 20 to 40 wt% vinyl cyanide compound and 60 to 80 wt% aromatic vinyl compound are used, and the vinyl cyanide compound-aromatic vinyl compound grafted on the acrylic rubber is used. The copolymer is preferably 40 to 70% by weight based on the total acrylic graft polymer (A).

Acrylic graft copolymer resin (A) of the present invention, unlike the conventional manufacturing method of acrylic graft copolymer resin well known to those skilled in the art by changing the crosslinking agent content and polymerization conditions The particle size of the acrylic rubber polymer of was increased to 0.3 ㎛ or more that is less than 0.2 ㎛, the form is also a resin having a cohesive structure in which a single copolymer is agglomerated.

In one embodiment, the acrylic graft copolymer resin (A) is 40 to 90 parts by weight of the monomer mixture consisting of 60 to 80% by weight of the aromatic vinyl compound and 20 to 40% by weight of the vinyl cyanide compound in 10 to 60 parts by weight of the acrylic rubber. Graft by mixing 0.005 to 0.03 parts by weight of a polymerization initiator, 0.005 to 0.5 parts by weight of a molecular weight regulator, 0.25 to 0.5 parts by weight of a crosslinking agent, 5 to 30 parts by weight of a solvent, and 1 to 2 parts by weight of an emulsifier. It can be prepared by polymerization.

Compared with the conventional method for preparing the acrylic graft copolymer, there is a difference in the method of the present invention in that 0.25 to 0.5 parts by weight is added to the amount of the crosslinking agent, more than 0.01 to 0.1, and the amount of added water is reduced. Preferably the crosslinking agent may be used in 0.3 to 0.45 parts by weight. In addition, unlike the conventional method of adding the emulsifier at once, there is a difference in that it is polymerized while being added in three portions throughout the polymerization process. According to this method, the average particle diameter of the acrylic rubber may be obtained at 0.3 μm or more, which may increase the size of the rubber particles while forming a cohesive structure in which a plurality of single copolymers are aggregated.

The average particle diameter of the acrylic rubber of the present invention may be 0.3 ~ 0.8 ㎛. Preferably the average particle diameter of the acrylic rubber may have a 0.3 ~ 0.6 ㎛. If the average particle diameter of the acrylic rubber is 0.3㎛ or less can not implement the preferred low light characteristics of the present invention, if it is 0.8㎛ or more may bring a decrease in workability, productivity and rigidity.

The acrylic rubber is preferably synthesized from an alkyl acrylate of C ₁ -C ₈ . The acrylic rubber is a monomer selected from the group consisting of methyl acrylate, ethyl acrylate, n-propyl acrylate, n-butyl acrylate, 2-ethylhexyl acrylate, hexyl methacrylate, and 2-ethylhexyl methacrylate. It is characterized by the polymer of. These may be used alone or in combination of two or more, with butyl acrylate being preferred.

In an embodiment, the aromatic vinyl monomers used in the aromatic vinyl-vinyl cyanide copolymer are styrene, alpha-methylstyrene, o-methylstyrene, m-methylstyrene, p-methylstyrene, o-ethylstyrene, m-ethyl Styrene, p-ethyl styrene, propyl styrene, butyl styrene, 1-vinyl naphthalene, 2-vinyl naphthalene, vinyl toluene may be selected from, but is not necessarily limited thereto. Dual styrenes are preferred, and these may be used alone or in combination of two or more thereof.

In an embodiment, the vinyl cyanide monomer used in the aromatic vinyl cyanide copolymer may be selected from the group consisting of acrylonitrile, methacrylonitrile, and ethacrylonitrile, but is not necessarily limited thereto. Of these, acrylonitrile is preferred, and these may be used alone or in combination of two or more thereof.

As monomers that can be selectively copolymerized with the aromatic vinyl monomers, N-phenylmaleimide, N-cyclohexyl maleide, maleic anhydride, and the like are suitable, but are not necessarily limited thereto. As a manufacturing method, emulsion polymerization, suspension polymerization, Solution polymerization, block polymerization, etc. may be applied, but is not necessarily limited thereto.

(B) Aromatic vinyl-vinyl cyanide copolymer resin

The aromatic vinyl-vinyl cyanide copolymer resin (B) used in the present invention is about 40 to 90% by weight of the aromatic vinyl monomer based on the total weight of the aromatic vinyl-vinyl cyanide hollow resin (B). It may be prepared by copolymerization by adding 10 to 60% by weight.

In one embodiment, the aromatic vinyl-vinyl cyanide copolymer resin (B) comprises about 50 to about 90 wt% of an aromatic vinyl monomer and about 10 to about 50 wt% of a vinyl cyanide monomer. In another embodiment, the monomer mixture comprises about 60 to about 85 weight percent of an aromatic vinylic monomer and about 15 to about 40 weight percent of a vinyl cyanide monomer. In another embodiment, the monomer mixture comprises about 60 to about 80 weight percent of an aromatic vinylic monomer and about 20 to about 40 weight percent of a vinyl cyanide monomer.

The aromatic vinyl cyanide copolymer-based resin (B) is included in the range of 20 to 70% by weight based on the entire thermoplastic resin composition. When the content of the aromatic vinyl monomer is less than 20% by weight, fluidity may be lowered, and when the content of the aromatic vinyl monomer is greater than 70% by weight, low light properties desired in the present invention may not be obtained, and weather resistance and impact strength may be reduced. .

The aromatic vinyl cyanide copolymer resin used in the present invention may be used by mixing two or more kinds of vinyl cyanide monomers having different contents. As a specific example, the content of the vinyl cyanide monomer may be used by mixing two or more different kinds having 20 to 40%. The aromatic vinyl cyanide copolymer resin may be easily selected by those skilled in the art according to the use of the composition.

In one embodiment, examples of the aromatic vinyl monomer used in the aromatic vinyl-vinyl cyanide copolymer resin (B) include styrene, alpha-methylstyrene, o-methylstyrene, m-methylstyrene, p-methylstyrene, o-ethyl styrene, m-ethyl styrene, p-ethyl styrene, propyl styrene, butyl styrene, 1-vinyl naphthalene, 2-vinyl naphthalene, vinyl toluene, and the like, but are not necessarily limited thereto. These can be used individually or in mixture of 2 or more types. Among these, styrene is preferable.

In a specific example, as a vinyl cyanide monomer used for the said aromatic vinyl cyanide copolymer resin (B), the compound which has a copolymerizable unsaturated hydrocarbon and cyanide group is mentioned. In one embodiment, some hydrogen of the unsaturated hydrocarbon may be substituted with an alkyl group having 1 to 8 carbon atoms.

Specific examples of the vinyl cyanide monomer include acrylonitrile, methacrylonitrile, ethacrylonitrile, and the like, but are not necessarily limited thereto. These can be used individually or in mixture of 2 or more types, and acrylonitrile is preferable.

The aromatic vinyl-vinyl cyanide copolymer resin (B) may be polymerized by further adding about 0 to 30% by weight of a monomer such as acrylic acid, methacrylic acid, maleic anhydride, or N-substituted maleade to add processability and heat resistance. have.

The thermoplastic resin composition of the present invention is an antidropping agent, antioxidant, plasticizer, thermal stabilizer, light stabilizer, compatibilizer, impact modifier, flame retardant, flame retardant aid, surfactant, nucleating agent, coupling agent according to the respective use. Fillers, plasticizers, admixtures, colorants, emulsifiers, crosslinkers, stabilizers, lubricants, antibacterial agents, mold release agents, antistatic agents, pigments, dyes, inorganic additives, flame retardants and mixtures thereof may be further included.

The additive may be used in an amount of 30 parts by weight or less, for example, 0.001 to 30 parts by weight based on 100 parts by weight of the aforementioned components (A) + (B).

The thermoplastic resin composition of the present invention can be produced by a general method for producing a resin composition. For example, the components and additives of the present invention may be mixed at the same time, and then melt-extruded in an extruder to prepare pellets.

The molded article molded from the thermoplastic resin composition of the present invention has excellent low light characteristics. The molded article may have a glossiness of 45 or less according to ASTM D-523 using a 60 degree glossmeter. Specifically, the molded article molded from the resin composition of the present invention is characterized by having a glossiness of 20 to 45. The lower the gloss value, the better the low light characteristic, so the lower limit of the gloss value is not limited. The gloss value can be measured using a BYK-Gardner Gloss Meter.

In addition, the molded article has a notched Izod impact strength measured according to ASTM D256 at a thickness of 1/8 "of 35 to 45 kgfcm / cm, a flowability measured to ISO 1133 of 3 to 6 g / 10min, and SAE J1960. According to the weather resistance measured may be 0.1 ~ 0.4 dE.

In another embodiment the molded article has a glossiness of 30 to 40 as measured according to ASTM D-523 using a 60 degree glossmeter, and a notched Izod impact strength measured according to ASTM D-256 at a thickness of 1/8 ". It may have a value of 35 to 45 kgf · cm / cm, a fluidity measured according to ISO 1133, 4 to 6 g / 10 min, and a weather resistance measured according to SAE J1960, and a value of 0.1 to 0.3 dE.

As described above, the thermoplastic resin composition of the present invention and the molded article manufactured therefrom have excellent surface texture, low light characteristics, and weather resistance, and thus are widely used in everyday life products, building exterior materials, building materials, exterior materials for electrical and electronic products, automotive interior parts, and the like. Can be used.

In one embodiment, the thermoplastic resin composition is molded to produce electrical, such as TVs, audio, cell phones, digital cameras, navigation, washing machines, computers, monitors, MP3s, DVD players, video players, CD players, washers, and office automation equipment. The exterior material of an electronic product can be manufactured. In addition, the thermoplastic resin composition can be used for exterior materials of buildings and exterior products of automobiles.

The invention can be better understood by the following examples, which are intended for the purpose of illustration of the invention and are not intended to limit the scope of protection defined by the appended claims.

Example

Specifications of (A) acrylic copolymer resin, (B) aromatic vinyl-vinyl cyanide copolymer resin, (C) ultra-polymer matting additive, and (D) Talc-based matting additive used in the following Examples and Comparative Examples As follows.

(A) Acrylic Graft Copolymer Resin

(A1) ASA resin-1: An acrylate graft copolymer having a rubbery polymer particle diameter of 0.4 mu m and a content of 50% was used (trade name: CHLT (Cheil Industries)).

(A2) ASA resin-2: An acrylate graft copolymer having a rubbery polymer particle diameter of 0.2 µm and a content of 50% was used (trade name: CHAT (Cheil Industries)).

(A3) ASA resin-3: An acrylate graft copolymer having a rubbery polymer particle diameter of 0.9 mu m and a content of 50% was used.

(B) Aromatic vinyl-vinyl cyanide copolymer resin

SAN resin: A SAN resin having 32% acrylonitrile and a weight average molecular weight of 123,000 was used (trade name: AP-81 (Cheil Industries)).

(C) Ultra high molecular matting additive: A styrene type matting additive having a weight average molecular weight of 4,500,000 to 5,500,000 was used (brand name B-MAT, GE Corporation).

(D) Talc-based matting additive: An inorganic Talc-based matting additive was used (trade name UPN HS-T 0.5, Hayashi Kasei).

In addition, Irganox 1076 (Ciba) was used as an antioxidant, ethylene bis-stearamid was used as a lubricant, and silicone oil was used as an impact modifier.

Examples 1 to 3

Each of the components was added to the content as shown in Table 1, followed by melt kneading and extrusion to prepare pellets. At this time, the extrusion was set to a cylinder temperature of 220 ℃ in a twin screw extruder L / D = 29, 45 mm in diameter. The prepared pellets were dried at 80 ° C. for 3 hours and then injected into a 6 Oz injection machine under conditions of a molding temperature of 180 to 280 ° C. and a mold temperature of 40 to 80 ° C. to prepare a physical specimen.

Comparative Examples 1 to 6

Each of the components was added in an amount as described in Table 1 below, followed by melting, kneading and extruding in the same manner as in the above example to prepare pellets and prepare injection-molded specimens. However, Comparative Examples 1 and 2 were carried out in the same manner as in Example 1 except for changing the content of (A1) ASA resin-1. Comparative Example 3 was carried out in the same manner as in Example 1 except that ASA Resin-2 was used instead of (A2) ASA Resin-1, and Comparative Examples 4 and 5 were prepared using (C) ultra-polymer quenching additive and (D). ) The process was carried out in the same manner as in Comparative Example 3 except that Talc-based quencher was applied.

The physical properties of the specimens of the thermoplastic resins prepared in Examples and Comparative Examples were evaluated according to the following method, and the measurement results are shown in Table 1.

(1) Glossiness: measured according to ASTM D-523 (1/8 ", 60 °) (%).

(2) Izod impact strength was measured according to ASTM D-256 (1/8 ") (kgfcm / cm).

(3) Fluidity: measured according to ISO 1133 (220 ° C / 10kg) (g / 10min).

(4) Weather resistance: Measured based on SAE J1960 (2000hr, dE).

Unit: parts by weight

As shown in Table 1, Examples 1 to 2 and 3 prepared according to the composition of the present invention showed all the physical properties of less than 40 gloss and excellent weather resistance. Example 2 and Comparative Example 3 is a case where there is only a particle size difference without adding a quencher, when the average particle diameter of the rubber is increased as shown in the present invention, while excellent low light characteristics, while in the case of Comparative Example 3 It can be seen that the property cannot be implemented. In Comparative Example 1 outside the composition ratio of the present invention, low light characteristics could not be realized, and weather resistance was lowered. In addition, the comparative example 4 shows the same low light characteristics as Example 2 , in which the size of rubber particles is adjusted by adding a conventional quencher, but exhibits deterioration of physical properties such as impact strength and fluidity, and also shows high values in terms of cost. have. In the case of Comparative Example 5 using a talc-based quencher, not only does not exhibit the desired low light characteristics, but also it can be seen that physical properties such as impact strength and fluidity are significantly reduced. In addition, Comparative Example 6 outside the particle size of the present invention exhibits excellent low light characteristics and impact efficiency characteristics, but results in a cost increase due to a decrease in the polymerization productivity due to the flow decrease and excessive particle size. As such, it can be seen that the thermoplastic resin composition of the present invention has excellent weather resistance and low light characteristics through controlling the composition ratio and size of the rubber particles.

Claims (8)

(A) 30 to 80% by weight of the acrylic graft copolymer resin having a rubber particle size of 0.3 to 0.8 ㎛; And (B) 20 to 70% by weight of aromatic vinyl-vinyl cyanide copolymer resin; Low gloss thermoplastic resin composition excellent weather resistance comprising a. According to claim 1, wherein the acrylic graft copolymer resin (A) is a thermoplastic resin composition characterized in that the graft polymerization of 40 to 70% by weight of the aromatic vinyl-vinyl cyanide copolymer to 30 to 60% by weight of the acrylic rubber . The method of claim 2, wherein the acrylic rubber is methyl acrylate, ethyl acrylate, n-propyl acrylate, n-butyl acrylate, 2-ethylhexyl acrylate, hexyl methacrylate, 2-ethylhexyl methacrylate and Thermoplastic resin composition, characterized in that the polymer of the monomer selected from the group consisting of these. The method of claim 1, wherein the aromatic vinyl monomer is styrene, alpha-methylstyrene, o-methylstyrene, m-methylstyrene, p-methylstyrene, o-ethyl styrene, m-ethyl styrene, p-ethyl styrene, propyl And styrene, butyl styrene, 1-vinyl naphthalene, 2-vinyl naphthalene, vinyl toluene, and mixtures thereof. The thermoplastic resin composition of claim 1, wherein the vinyl cyanide monomer is selected from the group consisting of acrylonitrile, methacrylonitrile, ethacrylonitrile, and mixtures thereof. The method of claim 1, wherein the thermoplastic resin composition is an antidropping agent, antioxidant, plasticizer, heat stabilizer, light stabilizer, compatibilizer, impact modifier, flame retardant, flame retardant aid, surfactant, nucleating agent, coupling agent. Thermoplastic further comprising an additive selected from the group consisting of fillers, plasticizers, admixtures, colorants, emulsifiers, crosslinkers, stabilizers, lubricants, antibacterial agents, mold release agents, antistatic agents, pigments, dyes, inorganic additives, flame retardants and mixtures thereof. Resin composition. The molded article molded from the resin composition of any one of Claims 1-6. 8. The molded article according to claim 7, wherein the molded article has a glossiness of 20 to 45% measured according to ASTM D-523 using a 60 degree glossmeter, and a notched izod measured according to ASTM D-256 at a thickness of 1/8 ". A molded article characterized in that the impact strength is 35 to 45 kgf · cm / cm, the flowability measured according to ISO 1133 is 3 to 6 g / 10 min, and the weather resistance measured according to SAE J1960 is 0.1 to 0.4 dE.