polybutadiene

American  

[pol-ee-byoo-tuh-dahy-een, -dahy-een] / ˌpɒl iˌbyu təˈdaɪ in, -daɪˈin /

noun

Chemistry.

1. a rubberlike polymer of butadiene blended with other synthetics to replace natural rubber in tires.

---

Etymology

Origin of polybutadiene

First recorded in 1930–35; poly- + butadiene

Example Sentences

At launch, each motor had about 1.1 million pounds of polybutadiene acrylonitrile copolymer propellant, which has the consistency of a pencil eraser.

From Los Angeles Times • Oct. 11, 2023

Those boosters — the twin white cylinders on either side of the rocket — are 17 stories high and are packed with a solid rocket fuel called polybutadiene acrylonitrile.

From The Verge • Aug. 25, 2022

If markets remain as they are, Lanxess will move to a new phase of expansion at its Singapore site, adding a polybutadiene rubber facility that’s currently in the engineering phase, the CFO said.

From BusinessWeek • Nov. 18, 2011