UREA MODIFIED BINDER FOR MINERAL FIBRES Russian patent published in 2016 - IPC D04H1/64 C03C13/06 

FIELD: chemistry.

SUBSTANCE: aqueous binder composition for mineral fibres containing: (1) a water-soluble binder component obtainable by reacting at least one alkanolamine with at least one polycarboxylic acid or anhydride and, optionally, treating the reaction product with a base; (2) sugar component; and (3) urea, proportion of components (1), (2) and (3) being within the range of 10 to 80 wt.% of (1), 15 to 80 wt.% of (2), and 5 to 60 wt.% of (3), based on the solids content of components (1), (2) and (3) as measured after heat treatment for 1 hour at 200 °C.

EFFECT: new composition.

29 cl, 1 ex, 1 tbl