FIELD: porous materials. SUBSTANCE: method aims at strengthening porous materials, preferably paper, and also leather, fabrics, vegetable and animal specimens (leaves, cockle-shells), and wood by the aid of polymer coating based on di-p-xylylene and its derivatives. Material is treated in vacuum for 5-40 min in sealed chamber with controlled pressure followed by refining material with non-inert gas and subsequently heating di-p- xylylene and/or its derivatives. EFFECT: improved procedure. 2 cl
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