INFLUENCE OF NON-SOLVENT ON THE GELATION PHENOMENON OF POLYMER SOLUTIONS
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The effect of water (as non-solvent) on the dynamic behaviour of polyacrylonitrile solution in dimethylformamide was investigated. At low temperatures ( 3%) determines a phase separation due to the decrease of the polymer-solvent miscibility.
[1] P. Russo. Reversible Polymeric Gels and Related Systems , 1987 .