Abstract
It has been found that dope viscosity decreased during the dissolution time when the acrylic polymers was dissolved in ZnCl2-NaCl mixed aq. solution at high temperature (110-150°C) by slurry method.It seems that the breaking down of the polymer molecule does not occur during dissolution, because the molecular weight does not change after dissolution.It was found by Infrared absorption spectrum and elemental analysis that CN group decreases and changes to CONH2, COONH4 or COOH group during the dissolution.
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