Resin composition and molded object formed from the resin composition

A resin composition comprising:

• (A) a lactic acid based resin:
• (B) an aromatic aliphatic polyester having a glass transition temperature (Tg) of 0° C. or less and a heat of crystal melting (ΔHm) of 5 J/g to 30 J/g, and/or an aliphatic polyester other than the lactic acid based resin, having a glass transition temperature (Tg) of 0° C. or less and a heat of crystal melting (ΔHm) of 5 J/g to 30 J/g, and
• (A) the lactic acid based resin and (B) the aromatic aliphatic polyester having a glass transition temperature (Tg) of 0° C. or less and a heat of crystal melting (ΔHm) of 5 J/g to 30 J/g, and/or the aliphatic polyester other than the lactic acid based resin, having a glass transition temperature (Tg) of 0° C. or less and a heat of crystal melting (ΔHm) of 5 J/g to 30 J/g, are contained in an amount of 90 mass % to 70 mass %, and
• (C) an aliphatic polyester other than the lactic acid based resin, having a glass transition temperature (Tg) of 0° C. or less and a heat of crystal melting (ΔHm) of 50 J/g to 70 J/g, has a content of 10 mass % to 30 mass %, and
• (B) the aromatic aliphatic polyester having a glass transition temperature (Tg) of 0° C. or less and a heat of crystal melting (ΔHm) of 5 J/g to 30 J/g, and/or the aliphatic polyester other than the lactic acid based resin, having a glass transition temperature (Tg) of 0° C. or less and a heat of crystal melting (ΔHm) of 5 J/g to 30 J/g, are contained in an amount of 5 mass % to 25 mass %.

A resin composition comprising:

• (A) a lactic acid based resin;
• (B) an aromatic aliphatic polyester having a glass transition temperature (Tg) of 0° C. or less and a heat of crystal melting (ΔHm) of 5 J/g to 30 J/g, or an aliphatic polyester other than the lactic acid based resin, having a glass transition temperature (Tg) of 0° C. or less and a heat of crystal melting (ΔHm) of 5 J/g to 30 J/g, and
• (B) the aromatic aliphatic polyester having a glass transition temperature (Tg) of 0° C. or less and a heat of crystal melting (ΔHm) of 5 J/g to 30 J/g, or the aliphatic polyester other than the lactic acid based resin, having a glass transition temperature (Tg) of 0° C. or less and a heat of crystal melting (ΔHm) of 5 J/g to 30 J/g, has a content of 5 mass % to 25 mass %;
• and
• (D) an inorganic filler having a mean particle size of 1 μm to 5 μm, has a content of 5 mass % to 20 mass % of the resin composition.

A resin composition comprising:

• (A) a lactic acid based resin;
• (B) an aromatic aliphatic polyester having a glass transition temperature (Tg) of 0° C. or less and a heat of crystal melting (ΔHm) of 5 J/g to 30 J/g, or an aliphatic polyester other than the lactic acid based resin, having a glass transition temperature (Tg) of 0° C. or less and a heat of crystal melting (ΔHm) of 5 J/g to 30 J/g, and
• the above component (B) has a content of 5 mass % to 25 mass %;
• and
• 0.5 mass part to 10 mass parts of a carbodiimide compound based on a total of 100 mass parts of the above component (A) and the above component (B).

A resin composition comprising:

• (A) a lactic acid based resin;
• (B) an aromatic aliphatic polyester having a glass transition temperature (Tg) of 0° C. or less and a heat of crystal melting (ΔHm) of 5 J/g to 30 J/g, or an aliphatic polyester other than the lactic acid based resin, having a glass transition temperature (Tg) of 0° C. or less and a heat of crystal melting (ΔHm) of 5 J/g to 30 J/g, and
• the above component (B) has a content of 5 mass % to 25 mass %;
• and
• 0.5 mass part to 5 mass parts of an ester compound having a molecular weight of 200 to 2,000 based on a total of 100 mass parts of the above component (A) and the above component (B).

A resin composition comprising:

• (A) a lactic acid based resin;
• (B) an aromatic aliphatic polyester having a glass transition temperature (Tg) of 0° C. or less and a heat of crystal melting (ΔHm) of 5 J/g to 30 J/g, or an aliphatic polyester other than the lactic acid based resin, having a glass transition temperature (Tg) of 0° C. or less and a heat of crystal melting (ΔHm) of 5 J/g to 30 J/g, and
• the above component (B) has a content of 5 mass % to 25 mass %;
• and
• 0.1 mass part to 5 mass parts of a hiding agent having a refractive index of 2.0 or more based on a total of 100 mass parts of the above component (A) and the above component (B).