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polyisobutylene

[ pol-ee-ahy-suh-byoot-l-een ]

noun

, Chemistry.
  1. a polymer of isobutylene, used chiefly in the manufacture of synthetic rubber.


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Word History and Origins

Origin of polyisobutylene1

First recorded in 1930–35; poly- + isobutylene
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Example Sentences

Prof Anita Ho-Baillie, of the University of Sydney, and a lead researcher, told Guardian Australia: “We just used a high-performance material called polyisobutylene – it’s also used in double-glazed windows.”

"It's called polyisobutylene," explains Anna, "the same stuff you find in the inner tube of bicycle wheels."

From BBC

One major ingredient is usually polyisobutylene, which is made by combining molecules of certain chemicals with a butane derivative of crude oil.

Detroit automakers have found that regular use of the polyisobutylene compounds can occasionally clog small oil passages and cause engine damage.

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polyimidepolyisoprene