Provided is a polycarbonate-polyorganosiloxane copolymer including polycarbonate blocks (A-1) each formed of a specific repeating unit and polyorganosiloxane blocks (A-2) each containing a specific repeating unit, wherein the polycarbonate-polyorganosiloxane copolymer satisfies the following expression (F1a):
15≤wM1  (F1a)
wherein wM1 represents the average content of the polyorganosiloxane blocks (A-2) in polycarbonate-polyorganosiloxane copolymers each having a molecular weight determined by using a polycarbonate as a conversion reference of from 56,000 or more to 200,000 or less among polycarbonate-polyorganosiloxane copolymers obtained through the separation of the polycarbonate-polyorganosiloxane copolymer by gel permeation chromatography.

Provided is a polycarbonate-polyorganosiloxane copolymer including polycarbonate blocks (A-1) each formed of a specific repeating unit and polyorganosiloxane blocks (A-2) each containing a specific repeating unit, wherein the polycarbonate-polyorganosiloxane copolymer satisfies the following expression (F1a):
15≤wM1  (F1a)
wherein wM1 represents the average content of the polyorganosiloxane blocks (A-2) in polycarbonate-polyorganosiloxane copolymers each having a molecular weight determined by using a polycarbonate as a conversion reference of from 56,000 or more to 200,000 or less among polycarbonate-polyorganosiloxane copolymers obtained through the separation of the polycarbonate-polyorganosiloxane copolymer by gel permeation chromatography.

Provided herein are a thermoplastic resin composition for a low gloss non-painting, a method for manufacturing a molded article using the same, and a molded article. The thermoplastic resin composition includes a first polycarbonate; a polysiloxane-polycarbonate copolymer; polyester; a master batch including carbon black; a heat resistance improver; and an additive. The molded article manufactured using the same has excellent chemical resistance, mechanical properties, light resistance, hydrolysis resistance, and low gloss properties.

Provided is a molded body, including a polycarbonate-based resin composition containing: a polycarbonate-polyorganosiloxane copolymer (A); and at least one kind of compound (B) selected from the group consisting of an antioxidant, a dye, a release agent, a light-diffusing agent, a flame retardant, a UV absorber, a silicone-based compound, an epoxy compound, and a polyether compound, wherein the polycarbonate-polyorganosiloxane copolymer (A) contains a polycarbonate block (A-1) and a polyorganosiloxane block (A-2), and contains the polyorganosiloxane block (A-2) at a content of from 20 mass % to 70 mass %, and wherein the molded body has a durometer hardness of from 25 to 72, which is measured with a type D durometer in conformity with JIS K 6253-3:2012.

Provided is a polycarbonate-based resin composition including: a polycarbonate-polyorganosiloxane copolymer (A); and at least one kind of compound (B) selected from the group consisting of an antioxidant, a dye, a release agent, a light-diffusing agent, a flame retardant, a UV absorber, a silicone-based compound, an epoxy compound, and a polyether compound, wherein the polycarbonate-polyorganosiloxane copolymer (A) contains a polycarbonate block (A-1) and a polyorganosiloxane block (A-2), and satisfies the following requirements (1) to (3): (1) the content of the polyorganosiloxane block (A-2) is from more than 40 mass % to 70 mass % or less; (2) the copolymer has a viscosity-average molecular weight of from 10,000 to 23,000; and (3) the copolymer contains a specific polycarbonate block as the polycarbonate block (A-1).

Provided is a polycarbonate-based resin composition including: a polycarbonate-polyorganosiloxane copolymer (A); and at least one kind of compound (B) selected from the group consisting of an antioxidant, a dye, a release agent, a light-diffusing agent, a flame retardant, a UV absorber, a silicone-based compound, an epoxy compound, and a polyether compound, wherein the polycarbonate-polyorganosiloxane copolymer (A) contains a polycarbonate block (A-1) and a polyorganosiloxane block (A-2), and satisfies the following requirements (1) to (3): (1) the content of the polyorganosiloxane block (A-2) is from more than 40 mass % to 70 mass % or less; (2) the copolymer has a viscosity-average molecular weight of from 10,000 to 23,000; and (3) the copolymer contains a specific polycarbonate block as the polycarbonate block (A-1).

Provided are a copolycarbonate and a polycarbonate composition comprising the same. The copolycarbonate comprises repeat units of the following Chemical Formula 1 and repeat units of the following Chemical Formula 2: Chemical Formula 1 ##STR00001## Chemical Formula 2 ##STR00002##

Provided are a copolycarbonate and a polycarbonate composition comprising the same. The copolycarbonate comprises repeat units of the following Chemical Formula 1 and repeat units of the following Chemical Formula 2: Chemical Formula 1 ##STR00001## Chemical Formula 2 ##STR00002##

The present invention relates to a flame-retardant polycarbonate composition comprising the following components, relative to the total weight of the composition: A) 30-70 wt. % of at least one aromatic polycarbonate, B) 20-60 wt. % of at least one polysiloxane-polycarbonate block condensate, C) 0.5-5 wt. % of at least one cyclic phosphazene, D) 1-5 wt. % of at least one silicone-acrylate rubber based impact modifier, E) 0.3-3 wt % of kaolin, F) 0.1-1 wt. % of at least one anti-dripping agent, and G) 0.1-1 wt. % of at least one UV absorber.

The present invention also relates to a shaped article produced from the composition. The polycarbonate composition according to the present invention has a good combination of low-temperature impact performance, flame-retardancy, hydrolytic stability, anti-UV performance, and heat resistance.

A poly(carbonate-siloxane) composition comprising: a poly(carbonate-siloxane) copolymer comprising carbonate units and siloxane units, wherein a siloxane content is greater than 25 wt % to less than 70 wt %, based on the total weight of the poly (carbonate-siloxane) copolymer and wherein the weight average molecular weight of the poly (carbonate-siloxane) copolymer is greater than 30,000 g/mol, as measured by gel permeation chromatography using a crosslinked styrene-divinyl benzene column, using polystyrene standards and calibrated for polycarbonate; a homopolycarbonate comprising a bisphenol A homopolycarbonate; a colorant composition comprising an organic colorant, an inorganic pigment, or a combination thereof, wherein the colorant composition optionally comprises titanium dioxide in an amount of 0.8 wt % or less; optionally, a flame retardant; optionally, an anti-drip agent; optionally, an additive composition, wherein an average siloxane domain size is less than 100 nanometers as determined by scanning electron microscopy, nd a molded sample of the poly(carbonate-siloxane) composition is substantially free of pearlescence.