Journal
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
Volume 338, Issue 1-3, Pages 142-147Publisher
ELSEVIER
DOI: 10.1016/j.colsurfa.2008.05.027
Keywords
Fragrance; Fish diagram; Hydrophilic-Lipophilic Deviation (HLD); Terpenes; Equivalent Alkane Carbon Number (EACN)
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Funding
- Organic Chemistry Department of Givaudan Shanghai Ltd.
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The phase behaviour of ternary systems based on tetraethylene glycol monoalkyl ether (CiE4) as surfactants and a series of mono- and sesqui-terpenes as fragrance oils was investigated by resorting to the HLD (Hydrophilic-Lipophilic Deviation) concept. Each ternary system was studied by localizing the critical point (T*, C*) in the fish diagram and the terpenes were characterized by their Equivalent Alkane Carbon Number (EACN). EACN values have been rationalized by considering structural changes of the terpenes, Such as number of carbons, branching, cyclisation, unsaturation and aromatisation. The C8E4/caryophyllene/water fish diagram has been established and compared with the alkane of closest ACN, i.e. hexane. (C) 2008 Elsevier B.V. All rights reserved.
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