Resin composition and resin molded body
A resin composition includes an acrylonitrile-butadiene-styrene resin (A), a polyethylene terephthalate resin (B), a condensed phosphoric acid ester-based flame retardant (C), and a thermally expandable graphite (D).
1. A resin composition comprising:
an acrylonitrile-butadiene-styrene resin (A);
a polyethylene terephthalate resin (B);
a condensed phosphoric acid ester-based flame retardant (C); and
a thermally expandable graphite (D),
wherein a content of the acrylonitrile-butadiene-styrene resin (A) is in a range of 60% by mass to 90% by mass with respect to the total amount of the acrylonitrile-butadiene-styrene resin (A) and the polyethylene terephthalate resin (B),
wherein a content of the thermally expandable graphite (D) is in a range of 1.0% by mass to 3.0% by mass with respect to the total amount of the acrylonitrile-butadiene-styrene resin (A) and the polyethylene terephthalate resin (B),
wherein a content of the condensed phosphoric acid ester-based flame retardant (C) is in a range of 7% by mass to 15% by mass with respect to the total amount of the acrylonitrile-butadiene-styrene resin (A) and the polyethylene terephthalate resin (B).
2. The resin composition according to claim 1 ,
wherein a weight-average molecular weight of the acrylonitrile-butadiene-styrene resin (A) is in a range of 5000 to 50000.
3. The resin composition according to claim 1 ,
wherein an expansion starting temperature of the thermally expandable graphite (D) is 240° C. or higher.
4. The resin composition according to claim 1 ,
wherein the polyethylene terephthalate resin (B) is a recovered resin.
5. A resin molded body comprising:
the resin composition according to claim 1 .
6. The resin molded body according to claim 5 , that has a charpy impact strength in a range of 10 kJ/m 2 to 30 kJ/m 2 .
7. The resin molded body according to claim 5 , that has a tensile elongation at break of 10% or greater.
8. The resin molded body according to claim 5 , that has flame retardance satisfying V-2 criteria in UL 94 standards.
9. A resin composition comprising:
an acrylonitrile-butadiene-styrene resin (A);
a polyethylene terephthalate resin (B);
a condensed phosphoric acid ester-based flame retardant (C); and
a thermally expandable graphite (D),
wherein a content of the acrylonitrile-butadiene-styrene resin (A) is in a range of 60% by mass to 90% by mass with respect to the total amount of the acrylonitrile-butadiene-styrene resin (A) and the polyethylene terephthalate resin (B),
wherein a content of the thermally expandable graphite (D) is in a range of 1.0% by mass to 3.0% by mass with respect to the total amount of the acrylonitrile-butadiene-styrene resin (A) and the polyethylene terephthalate resin (B),
wherein a content of the condensed phosphoric acid ester-based flame retardant (C) is in a range of 7% by mass to 15% by mass with respect to the total amount of the acrylonitrile-butadiene-styrene resin (A) and the polyethylene terephthalate resin (B),
wherein a content of the thermally expandable graphite (D) is in a range of 10.0% by mass to 25.0% by mass with respect to the condensed phosphoric acid ester-based flame retardant (C).