FIELD: leather production.
SUBSTANCE: used in the processing of raw materials from pike perch skins. The method for strengthening the dermis of pike perch skins, characterized in that a two-stage processing of raw materials with aqueous solutions of nonionic surfactants is carried out, and the second stage of processing is carried out with the addition of 0.3-0.5% by weight of the raw material of a modified amino resin of the formula
.
EFFECT: increasing the strength of the pike perch dermis.
2 cl, 2 dwg 1 tbl
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