MICROLAMINATED POLYMERIC FILM DESTRUCTIBLE IN WATER AND ARTICLE OF PERSONAL HYGIENE CONTAINING THE MENTIONED FILM Russian patent published in 2004 - IPC

FIELD: polymeric films destructible in water used for manufacture of disposable absorbing products. SUBSTANCE: the film contains a great number of jointly extruded microlayers including a great number of non-destructible and a great number of destructible microlayers. The non-destructurable microlayer contains polymer that is non-destructurable in water, extrudable in melt. The non-destructurable layers contain an aggregate in the form of particles. The microlaminated polymeric film is permeable for water vapors, having a vapor permeability rate of 300 g/sq.m/day, ml and serves as a barrier for small quantities of water. The film destructurates at wetting in water, it is suitable for use as a coating material for disposable layers contain an aggregate in the form of particles. The suitable polymer non-destructurable in water is the low-density linear polymer, and the suitable polymer destructible in water is polyethylenedide. EFFECT: enhanced quality. 31 cl, 4 dwg, 30 ex, 2 tbl