Basic Concept Of Polymer Science And Engineering Flashcards
IUPAC Definition: A substance composed of macromolecules.
Polymer
A molecule of high relative molecular mass, the structure of which essentially comprises the multiple repetition of units derived, actually or conceptually, from molecules of low relative molecular mass
Macromolecules
The term polymer stems from the _____ roots ___ and ____ which means many parts.
Greek, poly, mer
A molecule made up by the repetition of some simpler unit
Mer
A long chain molecule that is composed of a large number of repeating units of identical structure.
Polymer
A large number of small molecules.
Monomer
The first to find an application for polymers, as their children were found playing with balls made from local rubber trees.
Mayan Civilization
A compound extracted from wood.
Cellulose
The process of combining natural rubber with sulfur and heating it in 270 deg. Fahrenheit.
Vulcanization
Who discovered polystyrene in 1839?
Eduard Simon
Alexander Parkes in 1856 patented the first thermoplastic made by adding plasticizer to nitrocellulose.
Parkesine
What polymer did Fritz Klatte discovered in 1912?
Polyvinyl Acetate
The first truly synthetic plastic produced by Leo Baekeland
Phenol-formaldehyde or Bakelite
Cast with pigments to resemble onyx, jade, marble, and amber, it has come to be known as _______________.
Phenolic Resin
Who was one of the first people to create polyvinyl chloride (PVC)?
Eugen Baumann