Itaconic acid is a four-carbon diacid containing a methylene group at the 2-position and is readily available from biosources. Michael addition of phosphites to the methylene group provides a route to a variety of phosphorus compounds. These compounds may be applied directly for flame-retarding of cellulosic fibers, principally cotton. Alternatively, they may be converted to oligomers with appropriate diols [isosorbide, 2,5-bis(hydroxymethyl)furan, substituted hydroquinones, etc.]. These oligomers should<br/>function as effective, non-migrating replacements for potentially toxic organohalogen flame retardants in a variety of polymeric materials.

Oligomeric flame retardants for polymeric materials from itaconic acid

253rd National Meeting (2017)

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