POLYIMIDE MIXTURES, METHODS FOR PRODUCTION AND USE THEREOF Russian patent published in 2020 - IPC B01D53/22 

FIELD: chemistry.

SUBSTANCE: group of inventions relates to polyimide mixtures, methods for production thereof and methods for use thereof. Embodiments of the present invention describe compositions of polyimide mixtures, methods of producing compositions of polyimide mixtures, methods of using polyimides, membranes which contain polyimide mixtures, methods of making membranes which contain polyimide mixtures, methods of separating mixtures using membranes which contain polyimide mixtures.

EFFECT: group of inventions provides improved properties of specially developed elementary links for further modification and development of new high-molecular glass-like polymers with internal microporosity.

20 cl, 5 dwg, 2 tbl, 8 ex