FIELD: textile and pulp and paper industries. SUBSTANCE: cellulose is mercerized with aqueous alkali solution containing, wt.pts: cellulose, 1.25-4.14; urea, 1.25-4.14; thiourea, 1.25-4.14; diethylene glycol, 1.04-10.34. The mixture is squeezed, ground, and prematuration, methylation and oxypropylation are then carried out. EFFECT: higher efficiency. 1 tbl
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Authors
Dates
1998-06-27—Published
1995-08-08—Filed