Process for preparing quaternized imidazoline fabric...

Details Process for preparing quaternized imidazoline fabric... Process for preparing quaternized imidazoline fabric...

C - Chemistry, Metallurgy

07

D

260/251, 260/314

C07D 233/60 (2006.01) C07D 233/18 (2006.01) C07D 239/06 (2006.01) C07D 243/04 (2006.01)

Patent

CA 2023877

PROCESS FOR PREPARING QUATERNIZED IMIDAZOLINE FABRIC CONDITINOING COMPOUNDS Theresa Rosario Jansen Glen D. Lichtenwalter ABSTRACT OF THE DISCLOSURE Disclosed is a high yield process for quaternizing imidazoline ester compounds in the absence of lower alcohol solvents and under anhydrous conditions. The reaction product of this process contains a quaternized imidazoline ester fabric softening compound and, optionally, an imidazoline ester compound. In the process of this invention, an imidazoline ester compound is initially heated to form an anhydrous melt. This anhydrous melt is subsequently contacted with a quaternizing agent selected from small chain organic halides and sulfates. The imidazoline ester compound and quaternizing agent are then reacted under anhydrous conditions for a period of time sufficient for substantially all of said quaternizing agent to react with said imidazoline ester compound to form a quaternized imidazoline ester compound of the formula: Image X- (II) Image X- (III)

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