Abstract: The polyester resin composition of the present invention is characterized by comprising: (A) 100 parts by weight of a high heat resistant polyester resin having a main chain formed by a structure derived from aromatic dicarboxylic acid and alicyclic diol, wherein the melting point of the high heat resistant polyester resin is 200° C. or more; (B) 0.1 to 80 parts by weight of white pigment; and (C) 1 to 40 parts by weight of polyolefin copolymer. The resin composition of the present invention further comprises 1 to 40 parts by weight of a high stiffness polyester resin having a main chain comprising a structure derived from aromatic dicarboxylic acid and aliphathic diol. The molding foam, which is obtained from the polyester resin composition and the manufactured polyester resin composition, has good flexibility, heat resistance, and yellowing resistance and can be used for an LED reflecting plate due to having improved impact strength.

Abstract: A polyester resin composition comprises (A) about 100 parts by weight of polyester resin with a melting point greater than about 200° C. and including repeat units of Formula 1; (B) about 0.1 to about 80 parts by weight of white pigment; and (C) about 0.01 to about 80 parts by weight of filler. The polyester resin composition of the present invention does not exhibit deteriorated reflectance and impact strength and also has good heat resistance, non-yellowing property and humidity resistance and can be used in a light emitting diode (LED) reflector.

Abstract: The present invention provides a polyamide resin composition comprising (A) about 100 parts by weight of polyamide resin; (B) about 0.1 to about 50 parts by weight of titanium dioxide; and (C) about 1 to about 20 parts by weight of modified polyolefin, wherein the (C) modified polyolefin is prepared by grafting a monomer that is partially miscible with the polyamide resin into the main chain of the polyolefin.

Abstract: A polyamide resin composition includes (A) polyamide resin, (B) white pigment, and (C) sodium phosphate salt.

Abstract: The polyester resin composition of the present invention is characterized by comprising: (A) 100 parts by weight of a high heat resistant polyester resin having a main chain formed by a structure derived from aromatic dicarboxylic acid and alicyclic diol, wherein the melting point of the high heat resistant polyester resin is 200° C. or more; (B) 0.1 to 80 parts by weight of white pigment; and (C) 1 to 40 parts by weight of polyolefin copolymer. The resin composition of the present invention further comprises 1 to 40 parts by weight of a high stiffness polyester resin having a main chain comprising a structure derived from aromatic dicarboxylic acid and aliphathic diol. The molding foam, which is obtained from the polyester resin composition and the manufactured polyester resin composition, has good flexibility, heat resistance, and yellowing resistance and can be used for an LED reflecting plate due to having improved impact strength.

Abstract: A polyamide resin composition comprises (A) about 10 to about 70% by weight of a crystalline polyamide resin, (B) about 10 to about 70% by weight of an amorphous polyamide resin, (C) about 5 to about 30% by weight of an inorganic filler, and (D) about 10 to about 50% by weight of a white pigment. The polyamide resin composition can have good thin-wall moldability, light reflectance, yellowing resistance, impact strength and heat resistance.

Abstract: A polyester resin composition comprises (A) about 100 parts by weight of polyester resin with a melting point greater than about 200° C. and including repeat units of Formula 1; (B) about 0.1 to about 80 parts by weight of white pigment; and (C) about 0.01 to about 80 parts by weight of filler. The polyester resin composition of the present invention does not exhibit deteriorated reflectance and impact strength and also has good heat resistance, non-yellowing property and humidity resistance and can be used in a light emitting diode (LED) reflector.

Abstract: A polyester resin composition comprises (A) about 100 parts by weight of polyester resin with a melting point greater than about 200° C. and including repeat units of Formula 1; (B) about 0.1 to about 80 parts by weight of white pigment; and (C) about 0.01 to about 80 parts by weight of filler. The polyester resin composition of the present invention does not exhibit deteriorated reflectance and impact strength and also has good heat resistance, non-yellowing property and humidity resistance and can be used in a light emitting diode (LED) reflector.

Abstract: A polyamide resin composition includes (A) polyamide resin, (B) white pigment, and (C) sodium phosphate salt.

Abstract: A polyamide resin composition according to the present invention comprises (A) crystalline polyamide resin having a glass transition temperature (Tg) of about 50 to about 100° C.; (B) crystalline polyamide resin having a glass transition temperature (Tg) of about 110 to about 160° C.; (C) inorganic filler; (D) white pigment; and (E) light stabilizer, and can have excellent surface gloss, surface reflectance, heat resistance, mechanical strength, moldability, light stability and discoloration resistance.

Abstract: A polyester resin composition comprises (A) about 100 parts by weight of polyester resin with a melting point greater than about 200° C. and including repeat units of Formula 1; (B) about 0.1 to about 80 parts by weight of white pigment; and (C) about 0.01 to about 80 parts by weight of filler. The polyester resin composition of the present invention does not exhibit deteriorated reflectance and impact strength and also has good heat resistance, non-yellowing property and humidity resistance and can be used in a light emitting diode (LED) reflector.

Abstract: A polyamide resin composition according to the present invention comprises (A) about 10 to about 70% by weight of crystalline polyamide resin, (B) about 10 to about 70% by weight of amorphous polyamide resin with a glass transition temperature of about 110 to about 200° C., (C) about 10 to about 60% by weight of inorganic filler, (D) about 10 to about 50% by weight of white pigment, and (E) about 0.05 to about 2 parts by weight of light stabilizer, based on about 100 parts by weight of the crystalline polyamide resin (A), the amorphous polyamide resin (B), the inorganic filler (C) and the white pigment (D), and can have excellent surface reflectance, heat resistance, mechanical strength, moldability, light stability and discoloration resistance.

Abstract: A polyamide resin composition according to the present invention comprises (A) crystalline polyamide resin having a glass transition temperature (Tg) of about 50 to about 100° C.; (B) crystalline polyamide resin having a glass transition temperature (Tg) of about 110 to about 160° C.; (C) inorganic filler; (D) white pigment; and (E) light stabilizer, and can have excellent surface gloss, surface reflectance, heat resistance, mechanical strength, moldability, light stability and discoloration resistance.

Abstract: A polyester/polycarbonate alloy resin composition that includes (A) a base resin including (A-1) a polyester resin and (A-2) a polycarbonate resin; (B) a copolymer of a vinyl cyanide compound and an aromatic vinyl compound; and (C) a modified acrylic-based polymer is provided.

Abstract: Disclosed are a polyester/polycarbonate alloy resin composition that includes: (A) a mixed resin including (A-1) a polycarbonate resin having a weight average molecular weight ranging from about 30,000 to about 200,000 g/mol and (A-2) a polyester resin having an intrinsic viscosity of about 0.85 to about 1.52 dl/g; (B) an acryl-based resin; and (C) an impact-reinforcing agent, and a molded product made using the polyester/polycarbonate alloy resin composition.

Abstract: The present invention provides a polyamide resin composition comprising (A) about 100 parts by weight of polyamide resin; (B) about 0.1 to about 50 parts by weight of titanium dioxide; and (C) about 1 to about 20 parts by weight of modified polyolefin, wherein the (C) modified polyolefin is prepared by grafting a monomer that is miscible with the polyamide resin into a main chain of the polyolefin.

Abstract: Disclosed are a polyphenylene-ether-based thermoplastic resin composition that includes: (A) a mixed resin of (A-1) a polyphenylene-ether-based resin and (A-2) a polyamide resin; (B) a styrene-based copolymer resin; (C) a conductive additive; and (D) mica, a method of preparing the same, and a molded product using the same.

Abstract: Disclosed herein is a flame retardant thermoplastic polyester resin composition comprising: (A) about 100 parts by weight of a polyester resin; (B) about 1 to about 60 parts by weight of a cyclic oligomeric phosphazene compound; (C) about 1 to about 50 parts by weight of a melamine compound; (D) about 1 to about 20 parts by weight of a inorganic metal compound; and (E) about 0.1 to about 5 parts by weight of a fluorinated polyolefin resin. The thermoplastic polyester resin composition may further contain a filler (F).

Abstract: A method for preparing a polycarbonate/polyester alloy resin composition having excellent rigidity (flexural strength) and impact resistance strength is disclosed. The method includes adding a long fiber filler to a polyester resin to form a master batch, and blending the master batch and a polycarbonate resin. A polycarbonate/polyester alloy resin composition prepared by the method exhibits high rigidity and impact strength. Thus, the resin composition can be effectively used in the production of various molded articles such as mobile communication equipment, electric and electronic parts, and the like.

Abstract: Disclosed are a polyester/polycarbonate alloy resin composition that includes: (A) a mixed resin including (A-1) a polycarbonate resin having a weight average molecular weight ranging from about 30,000 to about 200,000 g/mol and (A-2) a polyester resin having an intrinsic viscosity of about 0.85 to about 1.52 dl/g; (B) an acryl-based resin; and (C) an impact-reinforcing agent, and a molded product made using the polyester/polycarbonate alloy resin composition.