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In the 1940s, Percy Lavon Julian developed an improved type of foam called Aerofoam. Using mechanical action, a liquid protein-based concentrate, made from soy protein, was mixed with water in either a proportioner or an aerating nozzle to form air bubbles with the free-flowing action. Its expansion ratio and ease of handling made it popular.
1963 The United States Navy scientists began to work with 3M to develop aqueous film-forming foams (AFFF). The US military began to use AFFF since its development in 1963 and patented AFFF in 1967. [22] [23] 1961 A DuPont in-house toxicologist said C8 was toxic and should be "handled with extreme care." [10]
AFFF was developed in the 1960s under Project Light Water in a joint venture between 3M and the U.S. Navy. AFFF forms a film that floats out before the foam blanket, sealing the surface and smothering the fire by excluding oxygen. AFFF is widely used for ARFF firefighting at airports, often in conjunction with purple-K dry chemical.
Rope used on extension ladders to extend the fly sections. Also called Fly Rope. [5] Hand squirt A historical device used to squirt water onto a fire by hand. Also called simply a squirt or a syringe, these are perhaps the simplest and most ancient form of fire extinguisher. Known from the times of the Roman Empire but not documented in Europe ...
AFFF may refer to : Film festivals. Asian Festival of First Films, a former film festival held in Singapore; Imagine Film Festival, formerly Amsterdam Fantastic ...
1856: Alexander Parkes invents parkesine, also known as celluloid, the first man-made plastic. 1856: James Harrison produces the world's first practical ice making machine and refrigerator using the principle of vapour compression in Geelong, Australia. [426] 1856: William Henry Perkin invents mauveine, the first synthetic dye.
This is a list of inventions followed by name of the inventor (or whomever else it is named after). For other lists of eponyms (names derived from people) see Lists of etymologies . The list
Claude Shannon (1916–2016), founder of information theory and modern cryptography, invented Minivac 601, and co-invented the first wearable computer (with Edward O. Thorp) Ugo Cerletti (1877–1963), together with Lucio Bini (1908–1964), Italy – Electroconvulsive therapy; Leona Chalmers (c. 1937), U.S. – modern menstrual cup