Glass-fiber-containing flame-retardant polycarbonate resin composition and molded object
Provided is a halogen-free, glass-fiber-containing, flame-retardant polycarbonate resin composition with excellent flame resistance and excellent rigidity, and a molded object thereof, using as little fluorine-containing resin as possible. Provided is a glass-fiber-containing flame-retardant polycarbonate resin composition containing (A) a polycarbonate resin, (B) glass fibers, and (C) a phosphate flame retardant. The composition contains from 40 to 80 parts by mass of the (A) component, from 5 to 50 parts by mass of the (B) component, and from 5 to 30 parts by mass of the (C) component, with respect to 100 parts by mass of the total of the (A) to (C) components.
1 . A glass-fiber-containing flame-retardant polycarbonate resin composition comprising
(A) a polycarbonate resin,
(B) glass fibers, and
(C) a phosphate flame retardant,
wherein
the composition comprises from 40 to 80 parts by mass of the (A) component, from 5 to 50 parts by mass of the (B) component, and from 15 to 30 parts by mass of the (C) component, with respect to 100 parts by mass of the total of the (A) to (C) components;
the (C)phosphate flame retardant comprises a compound having a structure represented by the following general formula (2)
where R 3 and R 4 each independently represent a hydrogen atom or a methyl group, and n2 represents an integer from 1 to 7; and
0.15 parts by mass or less of a fluorine-containing resin is contained in 100 parts by mass of the glass-fiber-containing flame-retardant polycarbonate resin composition.
2 . The glass-fiber-containing flame-retardant polycarbonate resin composition according to claim 1 , wherein the content of the (B) glass fibers is from 10 to 40 parts by mass with respect to 100 parts by mass of the total of the (A) to (C) components.
3 . The glass-fiber-containing flame-retardant polycarbonate resin composition according to claim 1 , comprising no fluorine-containing resin.
4 . The glass-fiber-containing flame-retardant polycarbonate resin composition according to claim 1 , comprising no polytetrafluoroethylene.
5 . The glass-fiber-containing flame-retardant polycarbonate resin composition according to claim 1 , wherein the (B) glass fibers are chopped strands of converged single fibers, and the cut length of the chopped strands is from 1.0 mm to 5.0 mm.
6 . The glass-fiber-containing flame-retardant polycarbonate resin composition according to claim 1 , having a pellet form.
7 . A molded object obtained from the glass-fiber-containing flame-retardant polycarbonate resin composition according to claim 1 .
8 . The molded object according to claim 7 , wherein the thickness is from 0.1 mm to 1.0 mm.
9 . The glass-fiber-containing flame-retardant polycarbonate resin composition according to claim 1 , wherein the content of the (B) glass fibers is from 10 to 30 parts by mass with respect to 100 parts by mass of the total of the (A) to (C) components.