Polycarbonate resin composition and molded body

A polycarbonate resin composition, comprising:

• an aromatic polycarbonate resin (A);
• an alicyclic epoxy compound (B);
• one or more kinds of antioxidants (C) selected from the group consisting of a compound (C1) represented by the following formula (1) and a compound (C2) represented by the following formula (2);
• a compound (D) which is an arylphosphine (D2) except the component (C2);
• and
• a phenol-based antioxidant (G),
• wherein, with respect to 100 parts by mass of the component (A), a content of the component (B) is 0.01 part by mass or more and 0.1 part by mass or less, a content of the component (C) is 0.005 part by mass or more and 0.1 part by mass or less, and a content of the component (D) is 0.005 part by mass or more and 0.05 part by mass or less:
• wherein
• in the formula (1), RC11 to RC16 each represent a hydrogen atom, or an aromatic ring-containing group having 6 or more and 15 or less carbon atoms, and may be identical to or different from each other, provided that not all of RC11 to RC16 represent hydrogen atoms;
• wherein
• in the formula (2), RC21 to RC25 each represent a hydrogen atom, an alkyl group having 1 or more and 12 or less carbon atoms, or an aryl group having 6 or more and 14 or less carbon atoms, and may be identical to or different from each other, provided that not all of RC21 to RC25 represent hydrogen atoms, and at least two of RC21 to RC25 each represent an alkyl group having 1 or more and 12 or less carbon atoms, or an aryl group having 6 or more and 14 or less carbon atoms.

A polycarbonate resin composition, comprising:

• an aromatic polycarbonate resin (A);
• an alicyclic epoxy compound (B);
• one or more kinds of antioxidants (C) selected from the group consisting of a compound (C1) represented by the following formula (1):
• wherein
• in the formula (1), RC11 to RC16 each represent a hydrogen atom, or an aromatic ring-containing group having 6 or more and 15 or less carbon atoms, and may be identical to or different from each other, provided that not all of RC11 to RC16 represent hydrogen atoms, and
• a compound (C2) represented by the following formula (2):
• wherein
• in the formula (2), RC21 to RC25 each represent a hydrogen atom, an alkyl group having 1 or more and 12 or less carbon atoms, or an aryl group having 6 or more and 14 or less carbon atoms, and may be identical to or different from each other, provided that not all of RC21 to RC25 represent hydrogen atoms, and at least two of RC21 to RC25 each represent an alkyl group having 1 or more and 12 or less carbon atoms, or an aryl group having 6 or more and 14 or less carbon atoms;
• and
• one or more kinds of phosphorus compounds (D) selected from the group consisting of a compound (D1) represented by the following formula (3):
• wherein
• in the formula (3), RD11 to RD16 each represent a hydrogen atom, or an alkyl group having 1 or more and 12 or less carbon atoms, and may be identical to or different from each other, provided that not all of RD11 to RD16 represent hydrogen atoms, and
• an arylphosphine (D2) except the component (C2),
• wherein the polycarbonate resin composition has a peak intensity ratio in FT-IR measurement determined by the following method (1) of 9.5 or less:
• Method (1):
• A flat plate-shaped test piece measuring 50 mm by 90 mm by 5 mm thick is produced through use of the polycarbonate resin composition by an injection molding method at a cylinder temperature of 280° C. and a die temperature of 80° C. for a cycle time of 50 seconds;
• the test piece is irradiated with LED light for 500 hours under the following LED irradiation conditions in a thermostat at 100° C.;
• after the LED irradiation, a LED light-irradiated portion of a surface of the test piece is subjected to FT-IR measurement by an attenuated total reflection method;
• and a ratio of a peak intensity at a wavenumber of 1,686 cm−1 to a peak intensity at a wavenumber of 1,776 cm−1 when an absorbance at a wavenumber of 1,950 cm−1 in a FT-IR measurement chart in which an axis of ordinate indicates an absorbance and an axis of abscissa indicates a wavenumber is defined as a baseline is determined, wherein the LED irradiation conditions are as follows:
• LED power:
• 10 W,
• LED irradiation intensity:
• 850 lm,
• LED irradiation distance:
• 1 mm.