Home > News > Content

Preparation Of Fixative

Jan 09, 2017

A case study of fixing agent y: quantitative dicyandiamide joined the atmospheric heating dissolves in the reactor, quantitative formaldehyde solutions are constantly stirring slowly drip into the reactor, and neutralized with ammonium chloride, generates a solid content of transparent viscous liquid is finished. This method produced formaldehyde fixing agent, free formaldehyde fixation is better but there is the problem of pollution, on most products currently used.

Formaldehyde-free sample: diethylene triamine or triethylene tetramine in water solution into the reaction vessel heated mixing, quantitative drop epichlorohydrin, holding back stirring until product is pale yellow transparent viscous liquid is the final product.