Fatty acid amido polyethoxylate

In addition to the FAMA compounds described before, fatty acid amido polyethoxylates (CnH2n+i-C(0)N(H)(CH2-CH2-0)xH x > 1) were also applied as non-ionic surfactants contained in special formulations. These compounds are shown with their general structural formula in Fig. 2.9.34. Like FAMA, the molecules contain amino nitrogen and therefore could be easily ionised in the presence as well as absence of ammonium acetate by APCI or ESI in the positive mode in the form of [M + H]+ ions. Comparable spectra in both API techniques were observed under APCI or ESI ionisation. 

Fig. 2.9.34. General structural formula of fatty acid amido polyethoxylates.

Fatty acid amido polyethoxylates (C H2 +1-C(0)N(H)(CH2-CH2-0)XH x > 1) may consist of a large number of homologue compounds... 

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