Protein foam fire-extinguishing chemical and an aqueous foam solution
AssigneeYamato Protec Corporation
InventorsDaizo Kubo, Yasuyoshi Fukuda
Life of this patent
Estimating the term…
Abstract
According to the present invention, there can be provided a protein foam fire-extinguishing chemical having foaming properties making it usable as a foam fire-extinguishing chemical even diluted at a concentration of 2% by volume or less. In the protein foam fire-extinguishing chemical according to the present invention, the protein hydrolyzates are contained in an amount of 25 to 40% by weight in terms of the solid content thereof, and one or more members selected from the group consisting of 2-methyl-2,4-pentanediol, 3-methyl-3-methoxy butanol, diethylene glycol monobutyl ether and diethylene glycol monoisopropyl ether are contained as the foaming assistant in an amount of 8 to 20% by weight.
Claims14
A protein foam fire-extinguishing chemical in a liquid form comprising:
- protein hydrolyzates as a base material, wherein the protein hydrolyzates are contained in an amount of 25 to 40% by weight in terms of the solid content of the liquid form of the protein fire-extinguishing chemical;
- a foam stabilizer compounded in the base material, wherein the amount of foam stabilizer compounded is 0.5 to 2.0% by weighted
- a foaming assistant compounded in the base material, wherein the amount of the foaming assistant compounded is 8 to 20% by weight and the foaming assistant comprises one or more members selected from the group consisting of 2-methyl-2,4-pentanediol, 3-methyl-3-methoxy butanol, diethylene glycol monobutyl ether and diethylene glycol monoisopropyl ether;
- and
- an amount of water compounded is 38 to 66.5% by weight.
Dependencies are inferred from the claim text.