FIELD: novel materials. SUBSTANCE: invention relates to fibrous porous material, which can be used in manufacture of footwear, leather-haberdashery ware, and upholstery materials. Method consists in preparing collagen dispersion composed of collagen- containing leather-production waste, latex, and water, said waste being leather-processing powder and collagen dissolution products at specified proportion of components. Resulting dispersion is frozen and then unfrozen and dried. EFFECT: improved physico-mechanical properties. 2 tbl
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