| abstract |
An alkanolamine bicarbonate based blowing agent comprising an organic amine bicarbonate salt compound having the following general formula (I): in the formula, A n‑ Is bicarbonate radical HO-COO ‑ And n is 1; b is m+ Comprises the following steps: +1 valent ammonium ions, and/or, having m- + NR 3 R 4 H group and- + NR 3 A cation of one or more organic amines (B) of the H-group; wherein m is 1-5; it can be used as polyurethane foaming agent. |