Abstract: A polyamide resin produced by polymerization of an aliphatic diamine monomer mixture (A) and polyester resin (B) is disclosed. The aliphatic diamine monomer mixture (A) includes an aliphatic diamine monomer (a1) having 2 to 6 carbon atoms, and an aliphatic diamine monomer (a2) having 6 to 12 carbon atoms, with the proviso that (a1) and (a2) are different and have a different number of carbon atoms. A method to produce the polyamide resin is also disclosed. The polyamide resin can have excellent heat resistance, low hygroscopic property and good color.

Abstract: The thermoplastic resin composition of the present invention comprises: about 100 parts by weight of a base resin comprising (A) about 5 to about 40% by weight of a rubber modified aromatic vinyl based copolymer resin, (B) about 30 to about 90% by weight of a polycarbonate resin, and (C) about 1 to about 50% by weight of a noncrystalline polyester resin; and (D) about 5 to about 30 parts by weight of an aromatic phosphate ester based compound.

Abstract: Disclosed herein is a scratch resistant flame retardant thermoplastic resin composition comprising: 100 parts by weight of a base resin comprising (A) about 1 to about 99% by weight of a polycarbonate resin and (B) about 99 to about 1% by weight of a modified methacrylate resin; and (C) about 1 to about 50 parts by weight of a flame retardant.

Abstract: Disclosed herein is a scratch-resistant flameproof thermoplastic resin composition, the resin composition comprising a base resin including (A) about 50 to about 90% by weight of a polycarbonate resin; (B) about 1 to about 50% by weight of a methacrylic copolymer resin with a refractive index of about 1.495 to about 1.590; and (C) about 0 to about 49% by weight of a (meth)acrylic resin, and (D) about 5 to about 40 parts by weight of a flame retardant, based on about 100 parts by weight of the base resin comprising (A)+(B)+(C). The resin composition of the present invention can have good flame retardancy, scratch resistance, colorability, and good appearance due to its improved compatibility. The resin composition of the invention can be used to produce plastic molded articles which can exhibit better physical properties than products produced using conventional resin compositions.

Abstract: Disclosed herein is a flameproof thermoplastic resin composition comprising (A) about 5 to about 40 parts by weight of a rubber modified aromatic vinyl copolymer resin; (B) about 30 to about 90 parts by weight of a polycarbonate resin; (C) about 30 to about 90 parts by weight of a polyester resin comprising (c1) about 0.01 to about 99% by weight of a semi-crystalline polyester resin and (c2) about 1 to about 99.99% by weight of a noncrystalline polyester resin; and (D) about 5 to about 30 parts by weight of an aromatic phosphate ester compound, per 100 parts by weight of a base resin comprising (A), (B) and (C).

Abstract: The thermoplastic resin composition of the present invention comprises: about 100 parts by weight of a base resin comprising (A) about 5 to about 40% by weight of a rubber modified aromatic vinyl based copolymer resin, (B) about 30 to about 90% by weight of a polycarbonate resin, and (C) about 1 to about 50% by weight of a noncrystalline polyester resin; and (D) about 5 to about 30 parts by weight of an aromatic phosphate ester based compound.

Abstract: A polycarbonate resin composition can have improved transparency and scratch resistance of the present invention and comprises about 10 to about 99% by weight of polycarbonate resin (A); and about 1 to about 90% by weight of acrylic copolymer with ultra-low molecular weight and high refractive index (B). The resin composition of the present invention can further comprise acrylic resin (C). The acrylic copolymer with ultra-low molecular weight and high refractive index (B) can have a refractive index of about 1.495 to about 1.590 and a weight average molecular weight of about 3,000 to about 40,000 g/mol.

Abstract: Disclosed herein is a flame retardant thermoplastic resin composition that has superior scratch resistance and mechanical properties, satisfying requirements for the appearance of housing materials resulting from a recent increase in volume of electrical and electronic products, and that contains a phosphorus-based flame-retarding agent, satisfying requirements for fire safety and prevention of environmental problems. The resin composition with scratch resistance comprises a base resin comprising (A) about 30 to about 90 parts by weight of a polycarbonate resin, (B) about 15 to about 50 parts by weight of a polymethylmethacrylate resin and (C) about 5 to about 50 parts by weight of a polyethylene terephthalate-based resin, and (D) about 5 to about 30 parts by weight of a phosphorus-based flame-retarding agent based on 100 parts by weight of the base resin. The composition may further comprise about 1 to about 30 parts by weight of an impact modifier based on 100 parts by weight of the base resin.

Abstract: Disclosed herein is a flameproof thermoplastic resin composition comprising (A) about 5 to about 40 parts by weight of a rubber modified aromatic vinyl copolymer resin; (B) about 30 to about 90 parts by weight of a polycarbonate resin; (C) about 30 to about 90 parts by weight of a polyester resin comprising (c1) about 0.01 to about 99% by weight of a semi-crystalline polyester resin and (c2) about 1 to about 99.99% by weight of a noncrystalline polyester resin; and (D) about 5 to about 30 parts by weight of an aromatic phosphate ester compound, per 100 parts by weight of a base resin comprising (A), (B) and (C).

Abstract: Disclosed herein is a flame retardant thermoplastic resin composition that has superior scratch resistance and mechanical properties, satisfying requirements for the appearance of housing materials resulting from a recent increase in volume of electrical and electronic products, and that contains a phosphorus-based flame-retarding agent, satisfying requirements for fire safety and prevention of environmental problems. The resin composition with scratch resistance comprises a base resin comprising (A) about 30 to about 90 parts by weight of a polycarbonate resin, (B) about 15 to about 50 parts by weight of a polymethylmethacrylate resin and (C) about 5 to about 50 parts by weight of a polyethylene terephthalate-based resin, and (D) about 5 to about 30 parts by weight of a phosphorus-based flame-retarding agent based on 100 parts by weight of the base resin. The composition may further comprise about 1 to about 30 parts by weight of an impact modifier based on 100 parts by weight of the base resin.

Abstract: A flameproof thermoplastic resin composition can include (A) about 5 to about 40% by weight of an epoxy group-containing rubber modified aromatic vinyl copolymer resin, (B) about 30 to about 90% by weight of a polycarbonate resin, (C) about 1 to about 50% by weight of a polyester resin and (D) about 5 to about 30 parts by weight of a phosphorus-containing flame retardant, per 100 parts by weight of a base resin comprising (A), (B) and (C).

Abstract: Disclosed herein is a flameproof copolymer comprising repeating units of (A) about 80 to about 99% by weight of a (meth)acrylic monomer and (B) about 1 to about 20% by weight of a vinyl-containing phosphorous monomer. The present invention also provides a thermoplastic resin composition including the flameproof copolymer.

Abstract: Disclosed herein is a scratch resistant flame retardant thermoplastic resin composition comprising: 100 parts by weight of a base resin comprising (A) about 1 to about 99% by weight of a polycarbonate resin and (B) about 99 to about 1% by weight of a modified methacrylate resin; and (C) about 1 to about 50 parts by weight of a flame retardant.

Abstract: The present invention relates to a flame retardant thermoplastic resin composition that contains a polyphenylene ether resin and a phenol resin derivative, both of them having good char formability, regardless of the base resin. A flame retardant thermoplastic resin composition according to the present invention comprises (A) 100 parts by weight of a thermoplastic resin as a base resin, (B) about 0.1˜100 parts by weight of polyphenylene ether, (C) about 0.1˜100 parts by weight of a phenol resin derivative, and (D) about 0.1˜50 parts by weight of a phosphorous compound or a mixture of phosphorous compounds. The thermoplastic resin composition may contain up to 5.0 parts by weight of an anti-dripping agent based on 100 parts by weight of the base resin.

Abstract: The present invention relates to a flame retardant thermoplastic resin composition that contains a phenol resin derivative having good char formability, regardless of the base resin. A flame retardant thermoplastic resin composition according to the present invention comprises (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, and (C) about 0.1˜50 parts by weight of a phosphoric acid ester morpholide compound or a mixture of phosphoric acid ester morpholide compounds. Another flame retardant thermoplastic resin composition according to the present invention comprises (A) 100 parts by weight of a thermoplastic resin as a base resin, (B) about 0.1˜100 parts by weight of polyphenylene ether, (C) about 0.1˜100 parts by weight of a phenol resin derivative, and (D) about 0.1˜50 parts by weight of a phosphoric acid ester morpholide compound or a mixture of phosphoric acid ester morpholide compounds.

Abstract: A flameproof thermoplastic resin composition substantially free of phenolic resin, red phosphorous and silicone resin comprises (A) about 40-95 parts by weight of a rubber modified styrene-containing graft copolymer resin, (B) about 5-60 parts by weight of polyphenylene ether resin; (C) about 5-30 parts by weight of aromatic phosphoric acid ester per 100 part by weight of (A) and (B) wherein the styrene-containing copolymer chains in rubber modified styrene-containing resin (A) comprise (i) about 5-20% by weight having an acrylonitrile fractionation content of 0-9% by weight (ii) about 10-40% by weight having an acrylonitrile fractionation content of 9-20% by weight and (iii) about 40-80% by weight having an acrylonitrile fractionation content of not less than 20% by weight acrylonitrile and the sum of (i), (ii), and (iii) is 100% by weight of the total weight of styrene-containing copolymer chains in rubber modified styrene-containing resin (A).

Abstract: The present invention relates to a flame retardant thermoplastic resin composition that comprises (A) about 40 to 95 parts by weight of a rubber modified styrene-containing resin, (B) about 5 to 60 parts by weight of polyphenylene ether resin, (C) about 2 to 30 parts by weight of a styrene-containing copolymer resin having about 5 to 18 % by weight of acrylonitrile in the copolymer per 100 parts by weight of the sum of (A) and (B), (D) about 0.5 to 20 parts by weight of an oxaphospholane compound per 100 parts by weight of the sum of (A) and (B), and (E) about 0 to 30 parts by weight of a phosphoric acid ester compound per 100 parts by weight of the sum of (A) and (B).

Abstract: The present invention relates to a flame retardant thermoplastic resin composition that contains a polyphenylene ether resin and a phenol resin derivative, both of them having good char formability, regardless of the base resin. A flame retardant thermoplastic resin composition according to the present invention comprises (A) 100 parts by weight of a thermoplastic resin as a base resin, (B) about 0.1˜100 parts by weight of polyphenylene ether, (C) about 0.1˜100 parts by weight of a phenol resin derivative, and (D) about 0.1˜50 parts by weight of a phosphorous compound or a mixture of phosphorous compounds. The thermoplastic resin composition may contain up to 5.0 parts by weight of an anti-dripping agent based on 100 parts by weight of the base resin.

Abstract: The present invention relates to a flame retardant thermoplastic resin composition that contains a phenol resin derivative having good char formability, regardless of the base resin. A flame retardant thermoplastic resin composition according to the present invention comprises (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, and (C) about 0.1˜50 parts by weight of a phosphoric acid ester morpholide compound or a mixture of phosphoric acid ester morpholide compounds. Another flame retardant thermoplastic resin composition according to the present invention comprises (A) 100 parts by weight of a thermoplastic resin as a base resin, (B) about 0.1˜100 parts by weight of polyphenylene ether, (C) about 0.1˜100 parts by weight of a phenol resin derivative, and (D) about 0.1˜50 parts by weight of a phosphoric acid ester morpholide compound or a mixture of phosphoric acid ester morpholide compounds.

Abstract: A flameproof thermoplastic resin composition is substantially free of phenolic resin, red phosphorous and silicone resin and comprises (A) about 40-95 parts by weight of a rubber modified styrene-containing resin comprising (a1) about 20-95% by weight of a styrene-containing graft copolymer resin containing about 19-50% by weight of acrylonitrile in the copolymer excluding rubber and (a2) about 5-80% by weight of a styrene-containing copolymer containing about 19-50% by weight of acrylonitrile; (B) about 5-60 parts by weight of a polyphenylene ether resin; (C) about 2-40 parts by weight of a compatabilizer comprising (c1) a styrene-containing copolymer containing about 5-18% by weight of acrylonitrile in the copolymer per 100 parts by weight of the sum of (A) and (B) or (c2) a styrene-containing graft copolymer having up to about 60% by weight of rubber wherein the compatabilizer contains about 5-18% by weight of acrylonitrile in the copolymer excluding rubber, per 100 parts by weight of the sum of (A) and (B