La société qu'il y fonde commercialise avec grand succès, à partir de 1891, un papier photographique qui peut être développé à la lumière artificielle et qui est vendu sous le nom de « Velox » (rapide en latin).En 1899, Eastman Kodak rachète à la société dont Léo Baekeland est actionnaire le procédé avec le nom « Velox » (rapide en latin) pour le montant inespéré de un million de dollars; Baekeland révèlera plus tard qu’il n’espérait pas tirer plus de vingt-cinq mille dollars de la transaction.
Fils d'un modeste cordonnier de Gand en Belgique, Leo Baekeland y naquit en 1863.
En 1889, son voyage de noces l'ayant amené aux États-Unis, il décide de s'installer dans ce pays dont il obtient la nationalité en 1897.
Après avoir effectué ses études supérieures à l'université de Gand, il y obtient en 1884 un doctorat en sciences naturelles et y commence une carrière d'enseignant.
Be on the lookout for your Britannica newsletter to get trusted stories delivered right to your inbox.Articles from Britannica Encyclopedias for elementary and high school students. Biographie. Also known as phenolic resins, phenol-formaldehyde polymers were the first completely synthetic polymers to be commercialized.
Leo H. Baekeland, a Belgian American inventor, introduced a new class of large molecules when he took out his patent for Bakelite in 1909. This article was most recently revised and updated by
- Chimico belga (Gand 1863 - Beacon, New York, 1944); studiò le resine di policondensazione fenolo-formaldeide (preparazione, indurimento, stampaggio a caldo sotto pressione, ecc. He has been called "The Father of the Plastics Industry" for his invention of Bakelite, an inexpensive, nonflammable and versatile plastic, which marked the beginning of the modern plastics industry. …plastics industry to 1907, when Leo Hendrik Baekeland, a Belgian-born American chemist, applied for a patent on a phenol-formaldehyde thermoset that eventually became known by the trademarked name Bakelite.
But the Bakelite Corporation was quick to follow suit in producing such vivid plastics.The story of Bakelite and its inventor, Leo Baekeland.Our permanent exhibition shows how chemistry has touched our lives in unexpected ways.
Leo Hendrik Baekeland (Sint-Martens-Latem, 14 novembre 1863 – Beacon, 23 febbraio 1944 ) è stato un chimico statunitense di origine belga, inventore della bachelite, la prima resina sintetica. His father Charles Baekeland was a cobbler and mother Rosalie Baekeland was a housemaid. Leo Hendrik Baekeland (Sint-Martens-Latem, 14 novembre 1863 - balise, 23 février 1944) Ce fut un chimique États-Unis source belge, inventeur de bakélite, le premier résine synthétique. Stavo cercando di creare qualcosa di molto duro, ma poi ho pensato che invece avrei dovuto creare qualcosa di molto morbido, che poteva essere modellato in forme diverse.
It was named for its inventor, Leo Hendrik Baekeland (1863–1944), who discovered the durable plastic in 1907.
Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree....
It may not have been reviewed by professional editors (see Ajouter de nouveaux contenus Add à votre site depuis Sensagent par XML.Obtenir des informations en XML pour filtrer le meilleur contenu.Fixer la signification de chaque méta-donnée (multilingue). Bakelite, though relatively expensive, was soon found to have many uses, especially in the rapidly growing automobile and radio industries.Portrait of Leo Hendrik Baekeland, early 20th century.Science History Institute/Underwood & Underwood Studios, New York, NYBrightly colored objects made of dyed phenol-formaldehyde plastic, now prized by collectors, were in fact based on processes developed by German chemists and first introduced into the United States in 1927 by the American Catalin Corporation.
En poursuivant votre navigation sur ce site, vous acceptez l'utilisation de ces cookies. By carefully controlling the pressure and temperature applied to an intermediate made from the two reagents, he produced a polymer that when mixed with fillers, produced a hard moldable plastic.
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