Dibutyltin dilaurate catalysed guar gum and toluene diisocyanate polyurethane foam for the removal of malachite green from wastewater. - Chauhan, Kavita; Chauhan, Sandeep; Kumar, Kiran; Kumari, Babita; Gupta, Nitika; Chauhan, Ghanshyam S. (Polymer International, 2025)