POLYACRYLONITRILE Definition & Meaning

polyacrylonitrile

[ pol-ee-ak-ruh-loh-nahy-tril, -treel, -trahyl ]

Phonetic (Standard)IPA

Chemistry.

a polymer of acrylonitrile used in the manufacture of Orlon and other synthetic textiles.

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First recorded in 1930–35; poly- + acrylonitrile

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Examples have not been reviewed.

Made of polyacrylonitrile, these nanofibres seem to defy logic — the thinner they get, the stronger and tougher they become.

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More than 90 percent of carbon fibers use the petroleum-based precursor polyacrylonitrile, or PAN, as their raw material.

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