| 词条 | Waldo Semon |
| 释义 |
|name = Waldo Semon |image = |birth_date = {{birth-date|September 10, 1898}} |birth_place = Demopolis, Alabama |death_date = {{death-date and age|May 26, 1999|September 10, 1898}} |death_place = |residence = |citizenship = |nationality = American |ethnicity = |field = Chemistry |work_institutions = |alma_mater = University of Washington {{small|(B.S., Ph.D.)}} |doctoral_advisor = |doctoral_students = |known_for = PVC |author_abbrev_bot = |author_abbrev_zoo = |influences = |influenced = |prizes = {{no wrap|Charles Goodyear Medal {{small|(1944)}} Elliott Cresson Medal {{small|(1964)}}}} |religion = |footnotes = |signature = }}Waldo Lonsbury Semon (September 10, 1898 – May 26, 1999) was an American inventor born in Demopolis, Alabama.[1] He is credited with inventing methods for making polyvinyl chloride useful.[2] BiographyHe was born on September 10, 1898.[3] Semon is best known 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 Koroseal from salt, coke and limestone, a polymer that could be made in any consistency.[4] Semon made more than 5,000 other synthetic rubber compounds, achieving success with Ameripol (AMERican POLymer) in 1940 for the B.F. Goodrich company.[5] In all, Semon held 116 patents, and was inducted into the Invention Hall of Fame in 1995 at age 97. While at B.F. Goodrich, Semon reported to Harry L. Fisher and later supervised Benjamin S. Garvey, both of whom also received the Charles Goodyear Medal. 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. He was awarded the Charles Goodyear Medal in 1944 and the Elliott Cresson Medal in 1964. After retiring from B.F. Goodrich, he served as a research professor at Kent State University in Kent, Ohio.[6] He died in Hudson, Ohio, on May 26, 1999 at the age of 100.[7] LegacyWaldo Semon Woods Conservation Area, is named in honor of the inventor, for his donation of land to Metro Parks, serving Summit County, Ohio. It is over 100 acres, with a pond where herons, turtles and amphibians are often seen. References1. ^{{cite web|title = WALDO SEMON (1898-1999)|work = Inventor of the Week|publisher = Michigan Institute of Technology|date = November 1999|url = http://web.mit.edu/invent/iow/semon.html|accessdate = 2007-12-13}} 2. ^{{cite book|title=A man of ideas : the biography of Dr. Waldo Lonsbury Semon, inventor of plasticized polyvinyl chloride|editor=Elizabeth M. Smith|publisher=the Geon Company|location=Cleveland|year=1993}} 3. ^{{Cite news|url=https://www.britannica.com/biography/Waldo-Semon|title=Waldo Semon {{!}} American chemist|work=Encyclopedia Britannica|access-date=2018-01-16|language=en}} 4. ^Current Biography 1940, pp 723-24 5. ^Current Biography 1940, p. 724 6. ^https://www.nytimes.com/1999/05/28/business/waldo-semon-dies-at-100-chemist-who-made-vinyl.html?mcubz=0 7. ^{{Cite news|url=https://www.nytimes.com/1999/05/28/business/waldo-semon-dies-at-100-chemist-who-made-vinyl.html|title=Waldo Semon Dies at 100; Chemist Who Made Vinyl|last=Kaufman|first=Michael T.|date=1999-05-28|work=The New York Times|access-date=2018-01-16|language=en-US|issn=0362-4331}} External links
External links
12 : 1898 births|1999 deaths|American centenarians|20th-century American chemists|American chemical engineers|People from Demopolis, Alabama|Polymer scientists and engineers|University of Washington alumni|Charles Goodyear Medal recipients|National Inventors Hall of Fame inductees|20th-century American engineers|20th-century American inventors |
| 随便看 |
|
开放百科全书收录14589846条英语、德语、日语等多语种百科知识，基本涵盖了大多数领域的百科知识，是一部内容自由、开放的电子版国际百科全书。