nitrile-butadiene rubber

nitrile-butadiene rubber

[′nī‚trīl ‚byüd·ə′dī‚ēn ‚rəb·ər]
(materials)
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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Various antioxidants are evaluated in hydrogenated nitrile-butadiene rubber (HNBR), polyacrylic elastomer (ACM) and ethylene-acrylic elastomer (EAM), polymers frequently used in applications requiring high heat and oil resistance.
In a second post-polymerization reaction, the HNBR product is carboxylated with a carboxylic acid such as maleic acid to produce carboxylated hydrogenated nitrile-butadiene rubber (XHNBR).