FIELD: chemistry.
SUBSTANCE: invention relates to a composition based on polylactic acid with dispersed structure, used in various fields of application, in particular, as a solution for drilling to extract minerals. In the composition, a low-crystalline or amorphous polylactic acid with a degree of crystallinity of not more than 40% is used as the matrix, where the matrix contains, as a dispersed grinding promoter, layered silicate subjected to swelling.
EFFECT: composition based on polylactic acid has excellent hydrolysis ability and an ability to mechanically grind.
5 cl, 3 dwg, 1 tbl, 7 ex
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