METHOD OF EXTRACTION OF POLYAMIDE PARTICLES AND METHOD OF PRODUCTION OF THE POLYAMIDE PARTICLES Russian patent published in 2004 - IPC

FIELD: extraction and production of polyamide particles. SUBSTANCE: the invention is dealt with the field of extraction. The method of extraction of polyamide particles or polymeric particles containing polyamides provides for usage of the water extractive means. In the capacity of the water extractive means the water solutions of aminonitriles are used. The method of production of polyamide particles or the polymeric particles containing polyamides provides for polymerization of aminotitriles and extraction of produced particles by a water solution of aminonitriles. EFFECT: the invention allows to decrease duration of extraction of polyamide particles and to increase effectiveness of the extraction process. 10 cl, 2 tbl, 2 ex