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Cellophane is a thin, transparent sheet made of regenerated cellulose. Its low permeability to air , oils , greases , bacteria , and liquid water makes it useful for food packaging . Cellophane is highly permeable to water vapour , but may be coated with nitrocellulose lacquer to prevent this.
After over 10 years research, Jacques E. Brandenberger develops a method for producing cellophane and secures a patent. [9] 1926: Waldo Semon and the B.F. Goodrich Company developed a method to plasticize PVC by blending it with various additives. 1930 Neoprene produced for the first time at DuPont [6] 1930s: Polystyrene first produced by BASF ...
Jacques Edwin Brandenberger (19 October 1872 – 13 July 1954) was a Swiss chemist and textile engineer who in 1908 invented cellophane. He was awarded the Franklin Institute's Elliott Cresson Medal in 1937. Brandenberger was born in Zurich in 1872. He graduated from the University of Bern in 1895. In 1908 Brandenberger invented cellophane.
Here are nine of the accidental inventions we use every day. Skip to main content. Sign in. Mail. 24/7 Help. For premium support please call: 800-290-4726 more ways to reach us ...
3. Chocolate-chip cookies. Who: Ruth Wakefield, American chef, When: 1930s How it was created: Ruth Wakefield owned a tourist lodge called the Toll House Inn in Whitman, Massachusetts.One day ...
Royston Roberts says that various discoveries required a degree of genius, but also some lucky element for that genius to act on. [1] Richard Gaughan writes that accidental discoveries result from the convergence of preparation, opportunity, and desire.
This is a list of lost inventions - technologies whose original capabilities cannot be recreated in the same form anymore. It does not include theoretical inventions. It does not include theoretical inventions.
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