MODIFYING CONCENTRATE FOR POLYETHYLENE TEREPHTHALATE MATERIAL OF SINGLE-LAYER LIGHT- AND OXYGEN-BARRIER MILK AND MILK PRODUCTS PACKAGES (VERSIONS) AND MANUFACTURING METHOD (VERSIONS) Russian patent published in 2017 - IPC B29C49/00 C08L67/02 C08J5/00 C08J3/22 C08K3/22 B65D1/02 B65D85/80 

FIELD: chemistry.

SUBSTANCE: invention describes three versions of modifying concentrate for polyethylene terephthalate material of single-layer light- and oxygen-barrier milk and milk products packages. According to the first version, the modifying concentrate for polyethylene terephthalate material comprises polyethylene terephthalate, titanium dioxide and nanoclay at certain proportions of constituent components. According to the second version, the modifying concentrate comprises polyethylene terephthalate, titanium dioxide, nanoclay, disperser and UV-absorber at certain proportions of constituent components. According to the third version modifying concentrate comprises polyethylene terephthalate, titanium dioxide, nanoclay, disperser, UV-absorber and antioxidantat certain proportions of constituent components.

EFFECT: invention allows long-term storage of milk and milk products protected against exposure to ultraviolet light radiation and visible light, and atmospheric oxygen.

13 cl, 1 dwg, 2 tbl