Ekstrak Sabut Kelapa (Cocos nucifera) Sebagai Biomordan pada Bahan Tekstil Dengan Pewarna Alami Daun Jati (Tectona grandis L.f)

Ruli Aji Priambudi, Kendi Timothy Tarigan, Siswanti Siswanti

Abstract


Natural dyeing is a promising process to reduce environmental pollution caused by the use of synthetic dye. Teak leaves contains anthocyanin, providing a red color. While the disadvantage of natural dye is the quality is not as good as synthetic dye, the use of biomordant could be the solution, because tannin compound it contains could enhance the quality of natural dye. The aim of this research is to : (1) Study that coconut’s fibers could be used as a biomordant. (2) Study the effect of tannin’s concentration to the quality of dye extract on fibers surface. (3) Study the effect of pH to the quality of dye extract. The leaves of the teak tree was extracted using boiled water for 30-minute, where the pH condition is set to 2-6 with HCl. The coconut’s fibers was extracted using boiled water for 30-minute, where the concentration may vary from 50gr/L to 250gr/L. The result shows that the optimum pH condition is at pH 6.6 (blanco), the best fastness result were carried out by coconut fibers concentration of 15% (m/v) – 25% (m/v), and the desecration scores shows that all the coconut fibers concentrations were 4-5 (good).


Keywords


extraction, coconut fibers, teak leaves, biomordant

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