POLYMER COMPOSITION WITH IMPROVED BARRIER PROPERTIES Russian patent published in 2017 - IPC C08L67/02 C08K3/36 C08K13/02 

FIELD: chemistry.

SUBSTANCE: invention relates to polymer compositions with barrier properties based on polyethylene terephthalate, intended for making transparent single-layer bottles for beverages. Composition additionally contains mother concentrate at a ratio of, pts.wt: polyethylene terephthalate – 100, mother concentrate – 1–10. Mother concentrate includes aerosil and polyhydroxyether at a ratio of, pts.wt: aerosil – 100, polyhydroxyether – 5–15, polyhydroxyether is pre-dissolved in dioxane in ratio 1:1.

EFFECT: improved gas barrier properties of composition.

1 cl, 3 tbl, 6 ex