FIELD: medicine. SUBSTANCE: material consists of three layers: nonwoven whitened cotton fibers or mixture with viscous fibers at surface density 140-160 g/m2, nonwoven layer containing sodium alginate (100-200 kDa) and sodium alginate layer distributed on material surface at volume ratio of layers by thickness = (45-55):(35-45):(5-10), respectively. Method involves application of sodium alginate at molecular mass 100000-200000 on surface of indicated nonwoven material up to overweight 30-35 g/m2 and producing three-layered material of structure indicated above. EFFECT: improved method of material making, enhanced quality. 1 tbl
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Authors
Dates
1996-07-10—Published
1993-11-25—Filed