FIELD: chemical industry. SUBSTANCE: the solution for producing films comprises (%): 3.32-4.01 cellulose triacetate; 0.0025-0.0072 polyvinyl acetate, and up to 100 methylene chloride. Cellulose triacetate is mixed with methylene chloride. The solution is stirred for 5 h. Then polyvinyl acetate in methylene chloride is added under continuous agitation. EFFECT: improved properties of the solution. 1 tbl
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Authors
Dates
1994-10-15—Published
1991-06-06—Filed