POLYMERIC COMPOSITION, ARTIFICIAL LEATHER MADE ON ITS BASE AND A METHOD OF ARTIFICIAL LEATHER PRODUCING Russian patent published in 1994 - IPC

FIELD: decorative-finishing materials. SUBSTANCE: polyesterurethane rubber (mol. mass is 20000-60000, content of double bonds is 0,5-3,0% ) is rolled, dissolved in organic solvent (70-400 per 100 parts by weight rubber), and 2,4,6-trimethylbenzene-1,3-dicarboxylic acid dinitrile oxide (1-8 per 100 parts of weight rubber) is added to the mixture. Filler and dye can be added also. Glue composition is prepared and applied on material by greasing. Rupture strength of artificial leather obtained is 1,6-3,0 1.6-3.0 kgs/cm², conglomeration is absent, elasticity is 400-600% . EFFECT: enhanced quality of leather. 10 cl, 2 tbl