Abstract: The polycarbonate resin of the present invention comprises: a repeating unit represented by formula 1 of claim 1; and a repeating unit represented by formula 2 of claim 1. The polycarbonate resin has excellent scratch resistance, transparency and tensile elongation.

Abstract: A polycarbonate of the present invention includes repeating units represented by, Formula 1, Formula 2 and Formula 3, respectively, and thus, may have excellent scratch resistance, chemical resistance and impact property.

Abstract: Disclosed herein is a light guide plate formed by injection molding of an aromatic polycarbonate resin that is a polymer of an aromatic dihydroxy compound and a diaryl carbonate. The aromatic dihydroxy compound and the diaryl carbonate are present in a mole ratio of about 1:1.02 to about 1:1.35, and the aromatic polycarbonate resin has a weight average molecular weight from about 10,000 g/mol to about 18,000 g/mol and includes about 5 mol % to about 30 mol % of terminal hydroxyl groups relative to total moles of terminal groups. The light guide plate formed of the aromatic polycarbonate resin can reduce a yellowing phenomenon upon injection molding, can exhibit low color deviation under high temperature and high humidity conditions, and can secure excellent properties in terms of discoloration resistance, and brightness quality (brightness uniformity), and the like.

Abstract: A copolymerized polycarbonate resin includes a repeat unit represented by Formula 1; a repeat unit represented by Formula 2; and a repeat unit represented by Formula 3, wherein the repeat unit represented by Formula 1 is different than the repeat unit represented by Formula 3, and wherein Formula 1, 2, and 3 are the same as defined in the specification. The copolymerized polycarbonate resin can have excellent properties in terms of chemical resistance, thermal resistance, and/or external appearance.

Abstract: A container for precision members is prepared from a polycarbonate resin, wherein a polycarbonate resin solution prepared by immersing the polycarbonate resin in water and leaving the solution has chloride ions (Cl?), fluoride ions (F?) and sulfate ions (SO42-) in a concentration of about 2 ppb or less, independently of each other, as detected by ion chromatography (IC). The container for precision members is capable of preserving and transporting the precision members predisposed to damage by minor amounts of impurities or contaminants without damage.

Abstract: A polycarbonate of the present invention includes repeating units represented by, Formula 1, Formula 2 and Formula 3, respectively, and thus, may have excellent scratch resistance, chemical resistance and impact property.

Abstract: A polycarbonate resin of the present invention is characterized by comprising repeating units represented by Formula 1, Formula 2, Formula 3 and Formula 4, respectively.

Abstract: A polycarbonate resin composition for a vehicle exterior may include a polycarbonate resin, a silicone polycarbonate, and a syndiotactic polystyrene. The polycarbonate resin may be 45˜85% by weight, the silicone polycarbonate may 10˜50% by weight, and the syndiotactic polystyrene may be greater than 2% by weight and less than 7% by weight, with respect to a total weight of the composition. The polycarbonate resin composition may further include other additives such as a black pigment. The polycarbonate resin composition provides improved physical and/or chemical properties.

Abstract: A polycarbonate resin composition according to the present invention comprises: (A) a polycarbonate; (B) a polycarbonate containing a non-phenyl group; (c) a rubber-modified aromatic vinyl graft copolymer; and (D) an aromatic phosphoric acid ester. The polycarbonate resin composition has superior physical balance by being flame retardant, shock resistant, low temperature shock resistant, and chemical resistant.

Abstract: A copolymerized polycarbonate resin includes a repeat unit represented by Formula 1; a repeat unit represented by Formula 2; and a repeat unit represented by Formula 3, wherein the repeat unit represented by Formula 1 is different than the repeat unit represented by Formula 3, and wherein Formula 1, 2, and 3 are the same as defined in the specification. The copolymerized polycarbonate resin can have excellent properties in terms of chemical resistance, thermal resistance, and/or external appearance.

Abstract: A polycarbonate resin includes a repeat unit represented by Formula 1; a repeat unit represented by Formula 2; and a repeat unit represented by Formula 3, wherein the polycarbonate resin has a weight average molecular weight of about 15,000 g/mol to about 60,000 g/mol and a melt index of about 3 g/10 min to about 40 g/10 min.: wherein R1, R2, R3, R4, a, b, c, and d are the same as defined in the specification. The polycarbonate resin for film can exhibit excellent scratch resistance, elongation, chemical resistance and heat resistance, and can be used to prepare a film in roll form without any protective film.

Abstract: The polycarbonate resin composition includes: a polycarbonate component, which includes an aromatic polycarbonate resin and a copolymerized polycarbonate resin including a repeat unit represented by Formula 1 and a repeat unit represented by Formula 2; and a flame retardant, and has a scratch width of about 310 ?m or less as measured by Ball-type Scratch Profile (BSP) test; a pencil hardness rating of F or higher; a flame retardancy level of V-0 or higher as measured on a 2.0 mm thick specimen according to UL94; and a transmittance of about 80% or more as measured in accordance with ASTM D1003. The polycarbonate resin composition can exhibit excellent properties in terms of scratch resistance, flame retardancy and transparency. wherein R1 and R2 are the same or different and are each independently substituted or unsubstituted C1 to C6 alkyl, and a and b are the same or different and are each independently an integer from 1 to 4.

Abstract: Disclosed are a polycarbonate resin composition and a molded product formed of the same. The polycarbonate resin composition includes a polycarbonate resin and three types of UV stabilizers including a first benzotriazole UV stabilizer, a second benzotriazole UV stabilizer, and a bismalonate UV stabilizer to improve heat stability, weather resistance, and visible light transmittance.

Abstract: Polycarbonate includes repeat units represented by Formula 1, Formula 2 and Formula 3, respectively: wherein: R1 and R2 are the same or different and are each independently substituted or unsubstituted C1 to C6 alkyl, substituted or unsubstituted C3 to C6 cycloalkyl, substituted or unsubstituted C6 to C12 aryl or halogen, a and b are the same or different and are each independently an integer from 0 to 4, and Q is substituted or unsubstituted C5 to C10 cycloalkyl.

Abstract: Polycarbonate includes repeat units represented by Formula 1, Formula 2 and Formula 3, respectively: wherein: R1 and R2 are the same or different and are each independently substituted or unsubstituted C1 to C6 alkyl, substituted or unsubstituted C3 to C6 cycloalkyl, substituted or unsubstituted C6 to C12 aryl or halogen, a and b are the same or different and are each independently an integer from 0 to 4, and Q is substituted or unsubstituted C5 to C10 cycloalkyl.

Abstract: Disclosed are a polycarbonate resin composition and a molded product formed of the same. The polycarbonate resin composition includes a polycarbonate resin and three types of UV stabilizers including a first benzotriazole UV stabilizer, a second benzotriazole UV stabilizer, and a bismalonate UV stabilizer to improve heat stability, weather resistance, and visible light transmittance.