BIOLOGICALLY DEGRADABLE THERMOPLASTIC COMPOSITION Russian patent published in 2019 - IPC C08L101/16 C08L23/12 C08L3/02 C08L91/06 C08K5/00 C08K3/10 

FIELD: chemistry.

SUBSTANCE: invention relates to the chemical industry, in particular to the compositions of biodegradable plastics, and can be used for the manufacture of molded products for various purposes, including food. Composition contains polypropylene 35–40 wt. %, corn starch 50–55 wt. %, ethylene vinyl acetate 4–5 wt. %, glycerol monostearate 3–4 wt. %, polyethylene wax 1 wt. %, titanium dioxide 2 wt. %.

EFFECT: according to the invention the composition has rheological characteristics that meet the requirements applicable to materials for processing on equipment traditional for plastics, as well as the required performance characteristics, including biological degradability after a lifetime of 12–13 months.

1 cl, 1 tbl, 3 ex