Thermoplastic resin composition and molded product using same

1. A thermoplastic resin composition, comprising

(A) 40 wt % to 60 wt % of a polycarbonate resin;

(B) 8 wt % to 22 wt % of an aromatic vinyl compound-vinyl cyanide compound copolymer with a vinyl cyanide compound content of 32 wt % to 35 wt %;

(C-1) 10 wt % to 15 wt % of a first acrylonitrile-butadiene-styrene graft copolymer with an average particle diameter of a rubber polymer of 200 nm to 350 nm;

(C-2) 6 wt % to 12 wt % of an acrylonitrile-butadiene-styrene copolymer comprising a second acrylonitrile-butadiene-styrene graft copolymer with an average particle diameter of a rubber polymer of 400 nm to 600 nm;

(D) 3 wt % to 8 wt % of a polybutylene terephthalate resin; and

(E) 1 wt % to 5 wt % of a compatibilizer,

based on a total amount of the thermoplastic resin composition.

2. The thermoplastic resin composition of claim 1 , wherein the aromatic vinyl compound-vinyl cyanide compound copolymer with a vinyl cyanide compound content of 32 wt % to 35 wt % has a weight average molecular weight of 100,000 g/mol to 120,000 g/mol.

3. The thermoplastic resin composition of claim 1 , wherein the thermoplastic resin composition further comprises (B′) an aromatic vinyl compound-vinyl cyanide compound copolymer with a vinyl cyanide compound content of 27 wt % to 30 wt %.

4. The thermoplastic resin composition of claim 3 , wherein the aromatic vinyl compound-vinyl cyanide compound copolymer (B′) with the vinyl cyanide compound content of 27 wt % to 30 wt % has a weight average molecular weight of 130,000 g/mol to 140,000 g/mol.

5. The thermoplastic resin composition of claim 3 , comprising the aromatic vinyl compound-vinyl cyanide compound copolymer (B) with the vinyl cyanide compound content of 32 wt % to 35 wt % in a larger amount than the aromatic vinyl compound-vinyl cyanide compound copolymer (B′) with the vinyl cyanide compound content of 27 wt % to 30 wt %.

6. The thermoplastic resin composition of claim 5 , comprising:

(A) 40 wt % to 60 wt % of the polycarbonate resin;

(B) 8 wt % to 22 wt % of the aromatic vinyl compound-vinyl cyanide compound copolymer with the vinyl cyanide compound content of 32 wt % to 35 wt %;

(B′) 7 wt % to 12 wt % of the aromatic vinyl compound-vinyl cyanide compound copolymer with the vinyl cyanide compound content of 27 wt % to 30 wt %;

(C-1) 10 wt % to 15 wt % of the first acrylonitrile-butadiene-styrene graft copolymer with the average particle diameter of the rubber polymer of 200 nm to 350 nm;

(C-2) 6 wt % to 12 wt % of the acrylonitrile-butadiene-styrene graft copolymer including the second acrylonitrile-butadiene-styrene graft copolymer with the average particle diameter of the rubber polymer of 400 nm to 600 nm;

(D) 3 wt % to 8 wt % of the polybutylene terephthalate resin; and

(E) 1 wt % to 5 wt % of the compatibilizer,

based on a total amount of the thermoplastic resin composition.

7. The thermoplastic resin composition of claim 1 , wherein the vinyl cyanide compound of the aromatic vinyl compound-vinyl cyanide compound copolymer is selected from the group consisting of acrylonitrile, methacrylonitrile, fumaronitrile, and combinations thereof.

8. The thermoplastic resin composition of claim 1 , wherein the aromatic vinyl compound in the aromatic vinyl compound-vinyl cyanide compound copolymer is selected from the group consisting of styrene, α-methylstyrene, and combinations thereof which are substituted or unsubstituted with a halogen or a C1 to C10 alkyl group.

9. The thermoplastic resin composition of claim 1 , wherein the aromatic vinyl compound-vinyl cyanide compound copolymer is a styrene-acrylonitrile copolymer (SAN).

10. The thermoplastic resin composition of claim 1 , comprising the second acrylonitrile-butadiene-styrene graft copolymer (C-2) in an amount of 15 parts by weight to 18 parts by weight based on 100 parts by weight of the polycarbonate resin (A).

11. The thermoplastic resin composition of claim 1 , wherein the compatibilizer (E) is a copolymer of an acryl-based compound and a compound copolymerizable with the acryl-based compound.

12. The thermoplastic resin composition of claim 11 , wherein the compatibilizer (E) comprises a copolymer of ethylacrylate and methylmethacrylate.

13. The thermoplastic resin composition of claim 12 , wherein the compatibilizer (E) is a copolymer of a monomer mixture including 30 wt % to 70 wt % of the ethylacrylate and 70 wt % to 30 wt % of the methylmethacrylate.

14. A molded product using the thermoplastic resin composition of claim 1 .