ARTIFICIAL SKIN Russian patent published in 1999 - IPC

FIELD: polymer materials. SUBSTANCE: artificial skin consists of, attached to each other, knitted warp of polyamide threads and film based of 4,4-diphenylmethane diisocyanate and polytetramethylene ether glycol. According to invention, knitted warp additionally contains polyurethane semicarbazide based on 4,4-diphenylmethane diisocyanate, polytetramethylene ether glycol, and isophthalic acid dihydrazide taken at molar ratio 1.5:0.5: 1.5 in amount 0.3-1.5% of the weight of knitted warp and film additionally contains polyurethane semicarbazide based on mixture of adipic and isophthalic acids dihydrazides. EFFECT: improved deformation and strength properties. 1 tbl, 4 ex