Risultati della ricerca - Herti Utami
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Studi Pembuatan dan Karakteristik Sifat Mekanik dan Hidrofobisitas Bioplastik dari Pati Sorgum
Pubblicazione 2009-12-01TestoThis research investigated the utilization of sorghum starch and chitosan as basic material for preparation of biodegradble plastic. The optimum conditions for the formation of biodegradble plastic and the effect of starch-chitosan formulation on mechanical properties of the biodegradable plastic we...
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Aplikasi Mikrofibril Selulosa Dari Batang Sorgum Sebagai Pengisi Pada Sintesis Film Bioplastik
Pubblicazione 2018-03-01TestoPada penelitian ini telah disintesis bioplastik dengan penambahan mikrokristalin selulosa dari batang sorgum sebagai pengisi. dengan formulasi pati sorgum-gelatin dan pemplastis gliserol. Formulasi pati sorgum-gelatin yang digunakan yaitu 10:0 ; 9,5:0,5 ; 8,5:1,5 ; 7,5:2,5 ; 6,5:3,5 dan 5,5:4,5 (...
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The Leaching of Natural Dyes from Avocado (Persea Americana Mill) Seeds Using the Ultrasonic-Assisted Extraction Method and Its Application to Cellulose Fibers
Pubblicazione 2021-11-01TestoThe textile industry uses synthetic dyes because they are cheaper and easier to obtain. Moreover, the color availability is guaranteed and more varied. However, these synthetic dyes have a negative impact on health and the environment. The natural dye from avocado (Persea Americana Mill) seeds can b...
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Synthesis of Biofoam Based on Starch Mixture of Cassava Peel and Kepok Banana Peel with Chitosan Additive to Improve Mechanical and Physical Characteristics
Pubblicazione 2023-03-01TestoBiodegradable foam(biofoam) is a type of bioplastic that is used as an alternative packaging to replace styrofoam which is safe and environmentally friendly. This study aims to determine the characteristics of biofoam made from cassava peel starch (A) and banana peel starch (B), as well as the effec...
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Sodium Hydroxide Treatment for Cellulose Fiber Accessibility from Corncobs under Microwave Assistive
Pubblicazione 2021-11-01TestoCorncob is abundantly available lignocellulosic biomass resources obtained from crops harvesting and found to be solid waste accumulation on a field. Less corncob is used as a solid fuel for cooking, and a more significant portion is vanished on the field by burning. Promisingly, corncob contains co...
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Extraction of Natural Dyes from Cocoa Pod Husk (Theobroma cacao L.) using Ultrasound Assisted Extraction as a Natural Fabric Dye
Pubblicazione 2024-12-01TestoNatural dyes are one of the popular choices for textile dyes today. One part of the plant that has the potential to produce natural dyes is cocoa pod husk (Theobroma cacao L.) because it contains several secondary metabolite compounds, such as tannin which produces a brown color. The extraction meth...
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