GB742101A - Improvements in foaming compounds for fire fighting - Google Patents
Improvements in foaming compounds for fire fightingInfo
- Publication number
- GB742101A GB742101A GB2927649A GB2927649A GB742101A GB 742101 A GB742101 A GB 742101A GB 2927649 A GB2927649 A GB 2927649A GB 2927649 A GB2927649 A GB 2927649A GB 742101 A GB742101 A GB 742101A
- Authority
- GB
- United Kingdom
- Prior art keywords
- foam
- alginate
- chemical
- liquorice
- sodium bicarbonate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62D—CHEMICAL MEANS FOR EXTINGUISHING FIRES OR FOR COMBATING OR PROTECTING AGAINST HARMFUL CHEMICAL AGENTS; CHEMICAL MATERIALS FOR USE IN BREATHING APPARATUS
- A62D1/00—Fire-extinguishing compositions; Use of chemical substances in extinguishing fires
- A62D1/06—Fire-extinguishing compositions; Use of chemical substances in extinguishing fires containing gas-producing, chemically-reactive components
Abstract
742,101. Foam compositions. PYRENE CO., Ltd. Feb. 15, 1951 [Nov. 16, 1949], No. 29276/49. Class 47 Mechanical or chemical fire-fighting foam for application to a burning watermiscible organic liquid is prepared by a method comprising incorporating a watersoluble alginate in the liquid stream used to form mechanical foam or in one of the reacting liquids or the dry powder used to form chemical foam before the foam is produced, the amount of alginate being such as to make the foam substantially impervious to the burning liquid. The foam also contains one of the usual foam-stabilizing agents such as "Aptersol" (Registered Trade Mark) or, preferably, partially hydrolyzed proteins in the case of mechanicalfoams and saponine, turkey red oil or liquorice in the case of chemical foams. Sodium alginate is the preferred alginate, rather than the ammonium salt. Examples are given of concentrates using hydrolyzed-blood type stabilizing agents. Chemical foams may be formed from aluminium sulphate solution and sodium bicarbonate solution containing alginate. In an example, the alkaline solution is prepared by mixing alginic acid, excess sodium bicarbonate, liquorice and sodium benzoate, and the acid solution by mixing aluminate sulphate and citric acid with water. A suitable dry powder suitable for making the chemical foam comprises alginic acid, excess sodium bicarbonate, aluminium sulphate and liquorice.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2927649A GB742101A (en) | 1949-11-16 | 1949-11-16 | Improvements in foaming compounds for fire fighting |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2927649A GB742101A (en) | 1949-11-16 | 1949-11-16 | Improvements in foaming compounds for fire fighting |
Publications (1)
Publication Number | Publication Date |
---|---|
GB742101A true GB742101A (en) | 1955-12-21 |
Family
ID=10288971
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2927649A Expired GB742101A (en) | 1949-11-16 | 1949-11-16 | Improvements in foaming compounds for fire fighting |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB742101A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE1016630A3 (en) * | 2005-06-06 | 2007-03-06 | Sfinc Nv | Processing blood from slaughterhouse waste to form product useful in e.g. food or animal feed, comprises coagulation, hydrolysis with base and addition of acid to form precipitate |
AU2017203659B1 (en) * | 2016-09-27 | 2017-08-17 | Guan Keong Lim | Fire extinguishing composition and apparatus |
-
1949
- 1949-11-16 GB GB2927649A patent/GB742101A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE1016630A3 (en) * | 2005-06-06 | 2007-03-06 | Sfinc Nv | Processing blood from slaughterhouse waste to form product useful in e.g. food or animal feed, comprises coagulation, hydrolysis with base and addition of acid to form precipitate |
AU2017203659B1 (en) * | 2016-09-27 | 2017-08-17 | Guan Keong Lim | Fire extinguishing composition and apparatus |
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