Also Called: Poly[imino(1,6-dioxo-1,6- hexanediyl)imino-1,6-hexanediyl];Poly[imino(1,6-dioxo-1,6-hexanediyl)imino-1,6-hexanediyl];NYLON 66;Polyhexamethylene adipamide;POLY[IMINO(1,6-DIOXO-1,6-HEXANEDIYL)IMINO- 1,6-HEXANEDIYL];Poly[imino(1,6-dioxo-1,6-hexanediyl)imino-1,6-hexanediyl]-