Waldo semon biography of michael
Waldo semon biography of michael w.
Waldo Semon
American inventor (1898-1999)
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]
Biography
He was born on September 10, 1898.[3]
He completed his education at the University of Washington, earning degrees in 1920 and 1924.
Waldo semon biography of michael
His doctoral degree was among the first in the nation to be awarded in Chemical Engineering.[4]
Semon is best known for plasticizing vinyl, the world's third most used plastic. He is also credited for being the first to commercialise plasticizers for vinyl, which greatly increased their utility, starting with dibutyl phthalate.[5][6] 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