Figure 13From: Synthesis of nonionic-anionic colloidal systems based on alkaline and ammonium β-nonylphenol polyethyleneoxy (n = 3-20) propionates/dodecylbenzenesulfonates with prospects for food hygiene Dependence of the cyanoethylation yield of free nonylphenol, on the content of polymerization inhibitor (anhydrous FeSO 4 ), molar ratio acrylonitrile/free nonylphenol 1.1/1, temperature 30°C, processing time 2 h, solvent toluene, catalyst concentration 5x10 -3 mol/L. Back to article page