CONTAINER WITH IMPROVED GAS BARRIER PROPERTIES Russian patent published in 2011 - IPC B65D1/00 B65D1/02 C08L67/02 C07D473/12 C08K5/3467

Abstract RU 2434798 C2

FIELD: transport, package.

SUBSTANCE: invention relates to container with improved barrier properties intended for packing food products and drinks. Container is produced by blow moulding and drawing from polyester composition. Polyester composition comprises poly(ethylene terephthalate) and purine derivant of formula (I) as gas barrier additive: (I), where R₁, R₃, R₅ and R₇ are hydrogen or straight chain, forked or cyclic alkyl group; t, t₁, x, x₁, x₂, y and z are single or binary bond; t', x', y' and z' are independent and equal 0 or 1; x", y" and w' are independent and equal 1 or 2. Preferably, purine derivant represents purindion, for example coffeine.

EFFECT: improved barrier properties with respect to carbon dioxide and oxygen.

30 cl, 4 tbl, 4 dwg, 4 ex

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RU 2 434 798 C2

Authors

Shi Juj

Shloss Fransis M.

Vims Dojl A.

Dates

2011-11-27—Published

2006-09-18—Filed