Coordination compounds of Nickel(II), Copper(II) and Cobalt(II) based on s-methylisothiosemicarbazide as dyes for thermoplastic polymers

Manole Ştefan; Cocu Maria

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MANOLE, Ştefan, COCU, Maria. Coordination compounds of Nickel(II), Copper(II) and Cobalt(II) based on s-methylisothiosemicarbazide as dyes for thermoplastic polymers . In: Chemistry Journal of Moldova, 2011, nr. 2(6), pp. 70-72. ISSN 1857-1727.

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Chemistry Journal of Moldova

Numărul 2(6) / 2011 / ISSN 1857-1727 /ISSNe 2345-1688

Coordination compounds of Nickel(II), Copper(II) and Cobalt(II) based on s-methylisothiosemicarbazide as dyes for thermoplastic polymers

Pag. 70-72

Manole Ştefan, Cocu Maria

Institutul de Chimie al AŞM

Disponibil în IBN: 14 decembrie 2013

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We have researched the color properties of coordination compounds synthesized by us previously [1] (8-(1′,2′-naphthyl)-1-R3-methyl-6-thiomethyl-4,5,7-triazaocta-1,3,5,7-tetraenato-1,1′-diolato(-)O, O′, N4, N7-M(II), where R=CH3, C6H5, M=Ni, Co, Cu), which can be used for coloring thermoplastic masses. They meet the requirements for use as a pigment for coloring thermoplastic masses [2]. Colors of colored products have a high photostability (7 points), thermostability (>250 °C) and intensity of color that give a low consumption (0.004 to 0.008 g medium tone, a 0.040-0.080 g to 100 g polystyrene intense tone and 0.002 to 0.008 g medium tone and 0.010-0.030 g intense tone for 100 g polyethylene). Compounds of nickel (II) stained polystyrene and polyethylene in red, cobalt (II) - in green with a yellow tinge, copper (II) - in deep red with a yellow tint.

Cuvinte-cheie
coordination compounds, transition metals, dyes,

thermoplastic polymers

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