| 摘要 |
PCT No. PCT/NO90/00106 Sec. 371 Date Jan. 2, 1992 Sec. 102(e) Date Jan. 2, 1992 PCT Filed Jun. 25, 1990 PCT Pub. No. WO91/00326 PCT Pub. Date Jan. 10, 1991.Flame retarding and smoke retarding aqueous solutions consisting essentially of: 70-96 weight % of a mixture of ammonium phosphate and ammonium sulphate, 1-20 weight % NaHCO3, 1-10 weight % EDTA, and water in an amount resulting in an aqueous solution comprising 11-45 weight % solids on the basis of the total weight of the aqueous solution. Methods of producing and using the flame retarding and smoke retarding aqueous solutions to impregnate absorbent porous materials, such as wood, rayon, cotton, wool and similar textile materials are also taught.
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