... purified cotton / wood pulp) in an aqueous caustic soda and organic solvent mix.2 React the resultant alkaline ... emulsion development,protective colloid,film formation, lubrication, solutionstabilization, and various otherfunctions. .How it functions: Uponeachcellulose ether molecule ... way, water is in effectretained, and emulsion and suspension isachieved, and because of thefriction force needed to ...