| Popis: |
Complexes of 2-,3- and 4-aminopyridine with the chlorides and thiocyanates of cobalt(II), nickel(II) and copper(II) have been prepared. Spectral and magnetic studies show that the cobalt complexes of 2- and 3-aminopyridine have tetrahedral structures while all the other complexes have octahedral structures. The decomposition temperatures for the complexes have been reported. The performance of the complexes as colouring materials for poly(vinyl chloride) (PVC) has been investigated. Amines cause degradation of PVC. The present investigation has shown that, when the amine is incorporated in a metal complex, no degradation can be detected. |
