Hexamethylenediamine | 合法藥品大搜索

2018年10月1日—Hexamethylenediamine(formallyhexane-1,6-diamine)isacolorless,low-meltingsolidwithanimportantindustrialuse.

Hexamethylenediamine (formally hexane-1,6-diamine) is a colorless, low-melting solid with an important industrial use. It and adipic acid (Molecule of the Week for February 9, 2015[1]) are the starting materials for manufacturing nylon 6,6, a polyamide used widely in textiles and plastics.

The earliest synthesis of hexamethylenediamine is attributed to Theodor Curtius and Hans Clemm, Heidelberg University (Germany) chemists, who in 1900 made it by hydrogenating adiponitrile. In 1929, biochemists Karl H. Slotta and R. Tschesche at the University of Breslau (Germany) improved this process by generating hydrogen in situ from sodium metal and ethanol.

Nylon 6,6 market value in 2018 is estimated to be more than US$3 billion; this value is expected to double by 2026. For more on the status of the nylon 6,6 industry[2], see the October 8, 2018, issue of Chemical & Engineering News.