BREATHING FILM LAMINATE WITH FILLER Russian patent published in 2002 - IPC

FIELD: breathing laminate materials. SUBSTANCE: breathing protective laminate 10 has first film layer with microporous breathing protective film 14, second film layer 16 with breathing film and filler containing about 50 to 70 mass-% of filler and amorphous polymer similar to elastomer ethylene polymer at density lesser than 0.89 g/cu.cm and third fibrous layer containing breathing outer layer 22 similar to non-woven cloth on base of twisted fibers. Layers may be bound by thermal binding, thus obtaining laminate whose tearing strength exceeds 200 g and speed steam passing exceeds 300 g/sq. m/day and imparting breathability to material. EFFECT: super-high tearing strength, softness and general strength. 30 cl, 3 dwg