FIELD: chemistry.
SUBSTANCE: group of inventions relates to curable water-based composition for obtaining coating on non-woven material, method of manufacturing treated non-woven material, treated with curable water-based composition, and non-woven material, treated with composition. Composition includes copolymer and cross-linking agent. As copolymerised units aid copolymer contains from 1 to 10 wt %, counted per dry weight, of itaconic acid copolymer and from 90 to 99 wt % of copolymerised ethylene-unsaturated monomer, selected from the group, including ethylacrylate, butylacrylate, styrene, methylmethacrylate, acrylic acid, methacrylic acid, acrylonitrile and their mixtures. Cross-linking agent has at least two hydrazine groups, with molar ratio of hydrazine group in cross-linking agent to carboxyl group in copolymer constituting from 0.05 to 2. Water-based composition is cured at temperature from 100°C to 250°C.
EFFECT: high tensile strength in dry, wet and submerged into isopropyl alcohol state.
6 cl, 13 tbl, 19 ex
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