| 摘要 |
PROBLEM TO BE SOLVED: To provide aqueous fire-extinguishing agent and a small-size fire extinguisher using the aqueous fire-extinguishing agent surely responding to five types of fires of a 'tempura' oil fire, a kerosene heater fire, a wastebasket fire, a cushion fire, and a curtain fire, having superior re-ignition preventing effect and an initial-stage fire-extinguishing power, extinguishing the fire at a small consumed amount, being close to neutrality in pH, being safely and easily used by the elderly, a woman and a child in particular. SOLUTION: This aqueous fire extinguishing agent is constituted by mixing polymer having the lower limit critical solution temperature under the presence of the salt, preferably the polymer showing no lower limit critical solution temperature till 100°C in the pure water and having the lower limit critical solution temperature in 30 wt.% aqueous solution of potassium acetate, to 20-45 wt.% aqueous solution of organic potassium salt and/or inorganic potassium salt. COPYRIGHT: (C)2005,JPO&NCIPI
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