FIELD: chemistry.
SUBSTANCE: present invention relates to a moisture- and vapour-permeable film, a coated article having a substrate and said film, an elastic membrane and compositions for coating or film casting. The film includes a combination of at least one elastomeric styrene block-copolymer which is optionally functionalised with functional groups, different from sulphonic acid or sulphonic ester functional groups and at least one sulphonated block-copolymer.
EFFECT: obtaining moisture- and vapour-permeable films for coatings in transpirable clothes and shoes, in industrial protective garments, including overalls for clean rooms, in medical applications such as bandaging materials and protective clothes, for bed sheets and mattresses or seat covers, and for other applications not related to clothes.
22 cl, 9 tbl, 2 dwg
