2. Production of hexamethylenediamine adipate

The process described below is the same for "engineering thermoplastic" and "textile" applications (figure 2 ).

Hydrogenation

Hexamethylenediamine (HMD) is made from pure adiponitrile and hydrogen : $NC — {({CH}_{2})}_{4} — CN + 4 H_{2} \to {NH}_{2} — {({CH}_{2})}_{6} — {NH}_{2}$
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Production of hexamethylenediamine adipate