a) initiation; (b) chain growth; and (c) termination (184). It has further been postulated that the major chemical equilibria related to polycaproamide polymerization systems are those of: (a) polymer initiation; (b) chain growth by addition and condensation polymerization (c) redistribution of molecular weight by amide interchange; and (d) regeneration of monomer and oligomer (210,228).(See also the description of caprolactam polymerization on p. 356)