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A study of the performance of some first row transition metal complexes of 2,2′-biquinoline as colourants for poly(vinyl chloride) and polyethylene

✍ Scribed by J.R. Allan; B.R. Carson; S. Levey

Publisher
Elsevier Science
Year
1995
Tongue
English
Weight
376 KB
Volume
31
Category
Article
ISSN
0014-3057

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✦ Synopsis

Complexes have been prepared by the reactions of 2,2'-biquinoline with the chlorides of cobalt, nickel and copper in ethanolic solution. The complexes have stoichiometry MLCI, where M = Co'+, Nil+, Cu*+ and L is 2,2'-biquinoline. The cobalt and copper complexes have tetrahedral structures while the nickel compound has a pseudo octahedral structure. The initial decomposition temperature for each of the complexes was obtained from thermogravimetric analysis. The performances of the coloured complexes as colouring materials for poly(viny1 chloride) and polyethylene have been investigated: weather resistance, chemical and heat stability have been considered. The nickel and cobalt complexes performed well in all tesl:s and show potential as pigments for poly(viny1 chloride) and polyethylene.

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