| abstract |
The invention relates to a process ofnobtaining non - porous skin replacements, withnsuperior resistance to hydrolysis and aging,nintended for the footwear and leather goods industry,nthe process consisting in successive application on antemporary nonadherent support of some polyurethane compositionsnlinearly unsaturated thermoplastic polymer based on 4,4'-ndiphenylmethane diisocyanate, polyethylene fumarate,npolyethylene glycol adipate, plasticizer and ethylene glycol,nsolution form in dimethylformamide, dryingnlayers obtained, doubling with a textile backing andnseparating the layout from the temporary support. |