FIELD: chemistry.
SUBSTANCE: invention relates to the use of a liquid composition as a barrier layer for packaging materials. The liquid composition comprises at least one terephthalate ionomer and at least one calcium carbonate containing a filler. Terephthalate ionomer contains anionic substituents selected from the sulfonate groups having an acid number of at least 1 mg KOH/g of ionomer.
EFFECT: improved properties.
9 cl, 5 tbl, 1 dwg, 5 ex
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