Salehdeen Mohammed Umar

Physical and Chemical Properties of Synthesized Polyurethane from Starches

Yacim Bako Paul, Salehdeen Mohammed Umar, Olusegun Amos, Augustine Ohiole & Augustine Onuche Sule · Asian Journal of Chemical Sciences · 2026

The advancement of sustainable polyurethanes (PUs) derived from renewable resources is imperative for mitigating environmental degradation and diminishing dependence on fossil fuels. This research investigates the synthesis and characterization of bio-based polyurethane (PU) foam...

Open access Research Article 10.9734/ajocs/2026/v16i3454

Formulations of Starch-based Adhesive Variants Using Eggshell and Snail Shell as Fillers

Augustine Ohiole, Benjamin Dauda, Salehdeen Mohammed Umar, Yacim Bako Paul & Augustine Onuche Sule · Asian Journal of Chemical Sciences · 2026

The environmental and health risks associated with petroleum-derived synthetic adhesives underscore the urgent need for sustainable alternatives. This research examines starch-based adhesives augmented with calcium carbonate (CaCO₃) sourced from waste materials of eggshells and s...

Open access Research Article 10.9734/ajocs/2026/v16i3455