| 摘要 |
<p>The method comprises adding an inorganic or organic compound capable of generating ammonia gas at 50-200 DEG C to a polyurethane, in the presence or absence of a solvent, and heating the resulting mixture at 50-200 DEG C to conduct ammonia decomposition of the polyurethane. Suitable compounds include ammonium carbonate or bicarbonate and urea. The solvent may be water or methyl alcohol.</p> |
