POLYMER COMPOSITION FOR SHOE BOTTOM Russian patent published in 2020 - IPC C08J9/32 A43B13/04 

FIELD: chemistry.

SUBSTANCE: invention relates to polymer compositions intended for production of soles of molding method of fastening, which can be used in making footwear for active recreation, casual shoes of autumn-spring and winter range for different sex and age groups. Composition contains, wt%: 100 polyvinyl chloride, 80–90 plasticiser dioctyl terephthalate, 10–16 polyurethane acrylate based on 2,4 toluylene diisocyanate and 2-hydroxyethyl methacrylate in ratio of 45:55, 7–9 of filler, 2–3 stabilizers, 1–2 foaming agents azodicarbonamide, 0.6–0.7 of titanium dioxide, 0.5–0.7 of hollow polymer microspheres with diameter of 30–90 mcm and true density of 200–400 kg/m³ and 0.01–0.02 of the dye.

EFFECT: high environmental safety of the polymer composition, improved operational properties of the soles made therefrom, wider range of PVC-based soles.

1 cl, 2 tbl