1901 Van Hoff - Plastics and Other Polymers Chemical...

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Unformatted text preview: Plastics and Other Polymers Chemical Engineering: Chemistry Scales Up for Industry Human and Natural Environmental Concerns Van't Hoff disseminated his stereochemical ideas to leading chemists of the day by sending them three-dimensional paper models of tetrahedral molecules, like these now housed in the Leiden Museum. Photograph courtesy O. Bertrand Ramsey. A young Jacobus Henricus van't Hoff. Courtesy Edgar Fahs Smith Memorial Collection, Department of Special Collections, University of Pennsylvania Library. In 1872 Jacobus Henricus van't Hoff (18521911), a Dutch graduate student, came to Bonn to study for a year. From August Kekul von Stradonitz , van't Hoff learned of a possible tetrahedral arrangement of the valence bonds of carbon, proposed by the Russian chemist Alexander Mikhailovich Butlerov in 1862. In 1873, after van't Hoff had moved to Paris to work with Charles Adolphe Wurtz, he realized that the phenomenon of optical activity possessed by 1862....
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1901 Van Hoff - Plastics and Other Polymers Chemical...

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