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| Waldo Semon | |
| Born | September 10, 1898 |
|---|---|
| Died | May 26, 1999 |
| Nationality | American |
| Fields | chemistry |
| Alma mater | University of Washington |
| Known for | PVC |
Waldo Lonsbury Semon (September 10, 1898 – May 26, 1999) was a renowned American inventor born in Demopolis, Alabama.1
Semon put his name into the history books for inventing vinyl, the world's second most used plastic. He found the formula for vinyl by mixing a few synthetic polymers, and the result was a substance that was elastic, but wasn't adhesive. Semon worked on methods of improving rubber, and eventually developed a synthetic substitute. On December 11, 1935, he created Koreosol from salt, coke and limestone, a polymer that could be made in any consistency. 2. Semon made more than 5,000 other synthetic rubber compounds, achieving success with Ameripol (AMERican POLymer) in 1940 for the B.F. Goodrich company. 3. In all, Semon held 116 patents, and was inducted into the Invention Hall of Fame in 1995 at age 97.
Semon is sometimes credited with inventing bubble gum, but this is inaccurate. He did invent an indigestible synthetic rubber substance that could be used as a bubble gum (and produced exceptionally large bubbles), but the product remained a curiosity and was never sold. Semon graduated from the University of Washington earning a BS in chemistry and a PhD in chemical engineering.
References
- ^ "WALDO SEMON (1898-1999)". Inventor of the Week. Michigan Institute of Technology (November 1999). Retrieved on 2007-12-13.
- ^ Current Biography 1940, pp723-24
- ^ Id. at 724
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- This page was last modified on 20 November 2008, at 18:13.
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