BIODEGRADABLE FILMS Russian patent published in 2016 - IPC C08J5/18 C08L67/00 C08L3/10 C08K5/53 C08L101/16 

FIELD: chemistry.

SUBSTANCE: invention relates to film, which is applied in multitude of disposable products, such as diapers, sanitary napkins, underwear for adults with enuresis, bandages, etc. Biodegradable film contains from approximately 1 wt % to approximately 49 wt % of weight of matrix phase film, containing at least one biodegradable polyester, and from approximately 46 wt % to approximately 75 wt % of weight of dispersed phase film, containing at least one oxidised corn or oxidised wheat starch and at least one plasticiser; where dispersed phase is dispersed in matrix phase, and also where wt % of matrix phase of film weight is lower than wt % of dispersed phase of film weight. Invention also relates to absorbing product, containing biodegradable film in accordance with invention, where absorbing product has body part, which includes liquid-permeable upper coating, in general liquid-impermeable lower coating and absorbing middle part, located between lower coating and upper coating.

EFFECT: film possesses good mechanical properties.

20 cl, 8 dwg, 5 tbl