APPLICATION OF IMPERMEABLE FILM MATERIAL FOR PACKING ABSORBENT ARTICLES CONTAINING MOISTURE-SENSITIVE ADDITIVES Russian patent published in 2005 - IPC

FIELD: packing equipment, particularly containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents.

SUBSTANCE: impermeable film material has water vapor transmission rate of 6g/m²/day meeting the American society for Testing Materials standard 398-83 and is selected from group containing polyethylene, polypropylene, polyester, polyamide, polyethylene terephthalate, polyvinyl alcohol, aluminum foil, aluminum oxide or silicon dioxide. The material is adapted for packing absorbent articles, for instance woman's sanitary towels, diapers, tampons, etc, containing at least one moisture-sensitive additive. The package is fully sealed by creating impervious connections or seams and includes at least two layers, wherein one of the layers, namely inner impermeable one, is formed of substantially impermeable film material. Another layer, namely outer one, is created of polyethylene terephthalate, polyethylene or polypropylene.

EFFECT: improved article protection against wet atmosphere.

8 cl, 3 dwg, 1 tbl, 6 ex