Characterization on the natural source properties for digital printing ink from waste cooking oil based

Muhamad Raus, Nur Liana Anira (2019) Characterization on the natural source properties for digital printing ink from waste cooking oil based. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

This research is about the replacement of the digital printing ink elements. Due to current pollution of environment, small steps like green printing ink development become an idea of this research. The release of VOCs from petroleum-based ink are one of the solid reason to formulates new green printing ink that is less or not contributes to environment pollution. Waste cooking oil (WCO) was used as binder to eliminates the VOCs contain and natural source such as dragon fruit, acted as pigment colorant were investigated to characterised the properties and suitability. WCO was chosen since this is also leads to reduction of WCO disposal. Methodolgy used in this research started with the WCO filtration and purification by transesterification process. The ratio was set to ensure the quality of the methyl ester produced. The natural source chose to be investigated in this research was scale down to one which is dragon fruit. The dargon fruit extracted by extraction process and becomes the colorant element for this ink formulation. Additive in this ink formulation was BHT with new ratio of usage. At the end of all processes, the formulation of ink was made and produced as GPi. Several testing have been done to justify the formulation result. Testing are Viscotester, FTIR and Visual Observation. Viscotester used Viscometer DV-II+ Pro to prove the viscosity in cP, FTIR used a drop of ink sanple for IR Spectrum and Digital Inkjet Printer was used to print some design by using the GPI of dragon fruit.

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