FIELD: polymeric fibers. SUBSTANCE: fibers were prepared by electrodynamic method using solution of the following composition, wt.-%: phenolformaldehyde resin 3-21; polyvinylbutyral 3-7, and ethanol or dichloroethane or their mixture at ratio (3.6-89):(3.6-89) - the rest. EFFECT: enhanced effectiveness of solution.
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