Toughened polyoxymethylene-poly(lactic acid) compositions

A resin composition, comprising:

• (iii) about 1 to about 96 weight percent poly(lactic acid),
• (iv) about 1 to about 96 weight percent polyoxymethylene, and
• (iii) about 3 to about 40 weight percent of an impact modifier comprising an ethylene copolymer impact modifier derived from copolymerizing:
• (a) about 20 to about 95 weight percent ethylene;
• (b) about 3 to about 70 weight percent of one or more olefins of the formula CH2═C(R1)CO2R2, where R1 is hydrogen or an alkyl group with 1-8 carbon atoms and R2 is an alkyl group with 1-8 carbon atoms;
• and
• (c) about 0.5 to about 25 weight percent of one or more olefins of the formula CH2═C(R3)CO2R4, where R3 is hydrogen or an alkyl group with 1-6 carbon atoms, and R4 is glycidyl,
• wherein the weight percentages of the poly(lactic acid), polyoxymethylene, and the impact modifier are based on the total weight of the poly(lactic acid), polyoxymethylene, and the impact modifier.