SYNTHESIS, AND SURFACE-ACTIVE PROPERTIES OF PALM FATTY ACID AND 1(2-HYDROXYETHYL PIPERAZINE)-BASED ESTERAMIDE QUAT

Shilpi Mishra () and V. K. Tyagi
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Shilpi Mishra: Department of Oil and Paint Technology, Harcourt Butler Technological Institute, Kanpur 208002, India
V. K. Tyagi: Department of Oil and Paint Technology, Harcourt Butler Technological Institute, Kanpur 208002, India

Surface Review and Letters (SRL), 2007, vol. 14, issue 06, 1129-1133

Abstract: In this study, an attempt has been made to synthesize esteramide quat by esterification of palm fatty acids with 1(2-hydroxyethyl piperazine) followed by quaternization with dimethyl sulphate (DMS). The optimum reaction conditions for esterification of palm fatty acids and 1(2-hydroxyethyl piperazine) were found to be 170°C reaction temperature and 150 mmHg pressure. The obtained esteramide was subjected to quaternization with different molar ratios of DMS. The consequences revealed that esteramide to DMS ratio of 1 : 0.95 and duration of quaternization for 2 h yielded esteramide quat of maximum cationic content, i.e., 64.9%. The instrumental analysis, viz. FT-IR,1HNMR,13CNMR verified the esterification and subsequent quaternization of the obtained esteramide quat. Furthermore, the surface-active and performance properties of synthesized esteramide quat were also evaluated.

Keywords: Esteramide quat; esterification; quaternization; softness; rewettability; surface tension; cationic content (search for similar items in EconPapers)
Date: 2007
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DOI: 10.1142/S0218625X07010706

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