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ARS Home » Southeast Area » New Orleans, Louisiana » Southern Regional Research Center » Cotton Chemistry and Utilization Research » Research » Publications at this Location » Publication #141294


item Sachinvala, Navzer
item Prevost, Nicolette
item Campbell, Jacqueline
item White, Leslie
item Dailey Jr, Oliver
item Graves, Elena
item Bland, John
item Maskos, Karol

Submitted to: American Chemical Society Abstracts
Publication Type: Abstract Only
Publication Acceptance Date: 10/1/2002
Publication Date: 3/1/2003
Citation: Sachinvala, N.D., Prevost, N.T., Campbell, J.H., White, L.A., Dailey Jr, O.D., Graves, E.E., Bland, J.M., Maskos, K. 2003. New quaternary ammonium ion reagents from urea for fabric treatment. American Chemical Society Abstracts.

Interpretive Summary:

Technical Abstract: Recently, we showed a one step conversion of urea to tertiary amines in water (J. Org. Chem., 2000, 65, 9234-9237). Of these, we used triallylamine to quaternize PEG, PPG, and aryl bromides (Figure 1). One and two-dimensional NMR and chemical ionization mass spectrometries were used to characterize the new quaternary ammonium salts, and formulations in water and alcohol were prepared for soaking fabrics. Two mechanisms of interaction with cotton fabric are being investigated. These are (a) entanglements, e.g., the Butler reaction, afforded by cycloaddition polymerization of allyl groups in the fiber matrix (Figure 2), and (b) crosslinking, wherein, e.g., allyl groups react with other functional groups that link cellulose. In this paper, we will report the preparation and characterization of new quaternary ammonium salts, explain our methods of entangling cellulose fibers in fabrics with these reagents, and examine their effects on material performance. In addition, we will discuss the effects of molecular weight, functional groups, and entanglement mechanisms on fabric performance.