| 摘要 |
Fire retardant compositions in the form of a powder are produced from the following components: -Component Parts by Weight -Aldehyde 70-140 -Ammonium phosphate 50-250 -Ammonium, alkali metal or 50-250 -alkaline earth metal -compound or salt -Urea reactant 70-190 -Hydroxy reactant 20-60 -Phosphoric acid 150-250 - Also provided are retardant compositions containing the powder and methods for treating substrates, such as paper or wood, as well as cotton, wool, and synthetic textiles to impart fire retardant properties thereto.
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