| 摘要 |
FIELD: mining, in process of isolating partitions erection, heat-insulating operations with usage of carbamideformaldehydefoamplast. SUBSTANCE: aim is to increase service life of polymeric composition due to improvement of polymer structure. Water solution of carbomideformaldehyde resin, foaming agent, sodium liquid glass is mixed with sodium salt of carbonic acid and agitated in magnetic field and then it is mixed with acid hardener. EFFECT: increased service life of polymeric composition. 1 cl |
