FIELD: chemistry.
SUBSTANCE: proposed is a method of drying or concentrating polymers capable of being biologically destroyed from polyhydroxyalkanoate, polycaprolactone, polymeric lactic acid, poly-glycolic acid, poly-(lacto-glycolic) acid, polymeric succinic acid, or their mixtures, or their copolymers. Polymer contained in solution or biomass, is subjected to microwave radiation for a period of time, sufficient for decreasing the concentration of polar solvent in the above mentioned solution or biomass respectively to 0.0001%-100%. The specified action causes destruction to the polymer from 0 to 25%.
EFFECT: drying of biopolymers without their destruction.
7 cl, 13 dwg, 5 ex
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