Polybutene

Part of speech: noun

Definitions

1. A synthetic polymer made by the polymerization of butene monomers, used primarily as a lubricant base, adhesive component, and in sealants due to its viscous and adhesive properties
2. A man-made chemical compound formed from multiple butene units linked together, commonly utilized in industrial applications for its sticky texture and flexibility, such as in lubricants and adhesives
3. A type of polymer derived from the repeated bonding of butene molecules, valued for its thick, adhesive characteristic which makes it suitable for use in sealing, lubrication, and binding materials

Etymology: Polybutene is a compound built from two parts, and the second is the more revealing one. "Poly-" comes from the Greek "polús," meaning "many," and it is a common prefix in chemistry for chains of repeating units. The "butene" half is a chemical name for a family of hydrocarbons with four carbon atoms, and its ancestry runs back to the Greek "boútūros," meaning "butter." That word itself is a compound of "boûs," meaning "cow," and "tūrós," meaning "cheese," so the chain of meaning runs from cow and cheese to a petroleum-derived molecule. The link to butter reflects a historical quirk of chemistry. Butene was named in the nineteenth century because one of the compounds in this group was originally identified as a derivative of butyric acid, the sharp-smelling acid found in butter. The name reflects that early chemical association rather than any connection to dairy products, which butene itself has nothing to do with.

Synonyms: polyisobutylene, polybutylene