Flame retardant thermoplastic resin composition

1. A flame retardant thermoplastic resin composition comprising:

(A) 100 parts by weight of a thermoplastic resin as a base resin;

(B) about 0.1˜100 parts by weight of a phenol resin derivative represented by the following Formula:

where R 1 is alkyl of C 1-34 ; aryl; alkyl-substituted aryl; O-, N-, P- or S-containing alkyl; O-, N-, P- or S-containing aryl; or O-, N-, P- or S-containing alkyl-substituted aryl; R 2 , R 3 , and R 4 are hydrogen, alkyl of C 1-34 ; aryl; alkyl-substituted aryl; O-, N-, P- or S-containing alkyl; O-, N-, P- or S-containing aryl; or O-, N-, P- or S-containing alkyl-substituted aryl; and n is an integer of 1 to 10,000; and

(C) about 1˜50 parts by weight of a phosphorous compound wherein the phosphorous compound is represented by the following Formula:

where R 1 is hydrogen, alkyl of C 1-6 , or aryl of C 6-15 , R 2 and R 3 are hydrogen or alkyl of C 1-6 , and n is in the range of 1 to 3.

2. The flame retardant thermoplastic resin composition as defined in claim 1 , wherein said base resin is selected from the group consisting of polyacrylonitrile-butadiene-styrene copolymer (ABS resin), rubber modified polystyrene resin (HIPS), acrylonitrile-styrene-acrylate copolymer (ASA resin), methacrylate-butadiene-styrene copolymer (MBS resin), acrylonitrile-ethacrylate-styrene copolymer (AES resin), polycarbonate (PC), polyethylene (PE), polypropylene (PP), polyethylene terephthalate (PET), polybutylene terephthalate (PBT), polyvinyl chloride (PVC), polymethyl methacrylate (PMMA), polyamide (PA), and a copolymer thereof and an alloy thereof.

3. The flame retardant thermoplastic resin composition as defined in claim 1 , wherein said phenol resin derivative is selected from the group consisting of o-cresol novolak epoxy resin, phenol epoxy resin and a mixture thereof.

4. The flame retardant thermoplastic resin composition as defined in claim 1 , further comprising an impact modifier, a heat stabilizer, an oxidation inhibitor, a light stabilizer, an inorganic filler or an organic or inorganic pigment and/or dye up to about 50 parts by weight as per 100 parts by weight of the base resin.

5. A molded article prepared by the flame retardant thermoplastic resin composition of claim 1 .

6. The flame retardant thermoplastic resin composition as defined in claim 4 , wherein the inorganic filler is talc, silica, mica, or glass fiber.

7. The flame retardant thermoplastic resin composition as defined in claim 1 , wherein said base resin is polyacrylonitrile-butadiene-styrene copolymer (ABS resin), rubber modified polystyrene resin (HIPS), acrylonitrile-styrene-acrylate copolymer (ASA resin), methacrylate-butadiene-styrene copolymer (MBS resin), acrylonitrile-ethacrylate-styrene copolymer (AES resin).

8. A molded article prepared by the flame retardant thermoplastic resin composition of claim 7 .

9. A flame retardant thermoplastic resin composition comprising:

(A) 100 parts by weight of a thermoplastic resin as a base resin;

(B) about 0.1˜100 parts by weight of a phenol resin derivative represented by the following Formula:

where R 1 is alkyl of C 1-31 ; aryl; alkyl-substituted aryl; O-, N-, P- or S-containing alkyl; O-, N-, P- or S-containing aryl; or O-, N-, P- or S-containing alkyl-substituted aryl; R 2 , R 3 , and R 4 are hydrogen, alkyl of C 1-34 ; aryl; alkyl-substituted aryl; O-, N-, P- or S-containing alkyl; O-, N-, P- or S-containing aryl; or O-, N-, P- or S-containing alkyl-substituted aryl; and n is an integer of 1 to 10,000; and

(C) about 1˜50 parts by weight of a phosphorous compound wherein the phosphorous compound is represented by the following Formula:

where R 1 is hydrogen, alkyl of C 1-12 , aryl of C 6-10 , or alkyl-substituted aryl of C 7-15 , R 2 is alkylene of C 1-12 , ring type alkylene of C 1-12 , aryl of C 6-12 , or alkyl-substituted aryl of C 6-12 .

10. A molded article prepared by the flame retardant thermoplastic resin composition of claim 9 .

11. The flame retardant thermoplastic resin composition as defined in claim 9 , wherein said base resin is selected from the group consisting of polyacrylonitrile-butadiene-styrene copolymer (ABS resin), rubber modified polystyrene resin (HIPS), acrylonitrile-styrene-acrylate copolymer (ASA resin), methacrylate-butadiene-styrene copolymer (MBS resin), acrylonitrile-ethacrylate-styrene copolymer (AES resin), polycarbonate (PC), polyethylene (PE), polypropylene (PP), polyethylene terephthalate (PET), polybutylene terephthalate (PBT), polyvinyl chloride (PVC), polymethyl methacrylate (PMMA), polyamide (PA), and a copolymer thereof and an alloy thereof.

12. The flame retardant thermoplastic resin composition as defined in claim 9 , wherein said phenol resin derivative is selected from the group consisting of o-cresol novolak epoxy resin, phenol epoxy resin and a mixture thereof.

13. The flame retardant thermoplastic resin composition as defined in claim 9 , further comprising an impact modifier, a heat stabilizer, an oxidation inhibitor, a light stabilizer, an inorganic filler or an organic or inorganic pigment and/or dye up to about 50 parts by weight as per 100 parts by weight of the base resin.

14. The flame retardant thermoplastic resin composition as defined in claim 13 , wherein the inorganic filler is talc, silica, mica, or glass fiber.

15. The flame retardant thermoplastic resin composition as defined in claim 9 , wherein said base resin is polyacrylonitrile-butadiene-styrene copolymer (ABS resin), rubber modified polystyrene resin (HIPS), acrylonitrile-styrene-acrylate copolymer (ASA resin), methacrylate-butadiene-styrene copolymer (MBS resin), acrylonitrile-ethacrylate-styrene copolymer (AES resin).

16. A molded article prepared by the flame retardant thermoplastic resin composition of claim 15 .