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Improvisation of Dioxazine Pigments and their Pigmentory Properties

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Author(s): Mehul Parikh

Journal: Journal of Advanced Scientific Research
ISSN 0976-9595

Volume: 1;
Issue: 2;
Start page: 53;
Date: 2010;
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Keywords: Pigmentory properties | Rehology | Viscosity | Gloss | Solvent base ink

ABSTRACT
Monosulphonation of dioxazine pigment (Pigment Violet 23) has been carried out at degree of sulphonation 1.15. A new additive has been than prepared by coupling sulpho derivative with long chain amine [Arquad 2HT-75 (Di (hydrogenated tallow alkyl) dimethyl ammonium chloride)]. Effect of addition of sulpho derivative and new additive on pigmentory properties in solvent base ink has been measured. Addition of sulpho derivative and additive in dioxazine pigment (Pigment Violet 23) improve the pigmentory properties like viscosity, gloss and transparency.
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