FIELD: textile industry. SUBSTANCE: polyester fabric is impregnated with polymeric composition solution containing, wt.-%: linear polyesterurethan with mol. mass 2000-40000 15-25; urotropin or triethanolamine 0.5-3.0; isocyanate with fictionality more or equal 2 2-15, and organic solvent - the rest. After impregnation fabric is dried at 120-150 C. Material shows elongation level at loading by diagonal 200 H 2.5-10.5%, level of residual deformation after loading removal 200 H 5.5%. EFFECT: enhanced quality of prepared material. 5 tbl
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SU1104123A1 |
Authors
Dates
1995-03-27—Published
1992-04-09—Filed