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modacrylic fiber

[mod-uh-kril-ik, mod-] /ˈmɒd əˈkrɪl ɪk, ˌmɒd-/
noun
1.
any of various synthetic copolymer textile fibers, as Dynel, containing less than 85 percent but more than 35 percent of acrylonitrile.
Also called modacrylic.
Origin
1955-1960
1955-60; mod(ified) + acrylic
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Encyclopedia Article for modacrylic

in textiles, any synthetic fibre composed of at least 35 percent but less than 85 percent by weight of the chemical compound acrylonitrile. It is a modified form of the acrylic group, fibres composed of a minimum of 85 percent acrylonitrile. Modacrylic fibres include trademarked Dynel (acrylonitrile and polyvinyl chloride) and Verel (acrylonitrile and vinylidene chloride).

Learn more about modacrylic with a free trial on Britannica.com
Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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