Abstract

Here, the phase behavior of the commercial non-ionic surfactant Solutol HS15 in water was investigated. The focus was on the evolution of the system nanostructure at low water content. Particularly, it was demonstrated that spherical micelles found in dilute surfactant solutions coalesce at a surfactant volume fraction close to 0.5. As consequence, a heterogeneous pseudo-binary mixture occurs. No liquid crystalline phases were detected even at the highest HS15 concentrations in water. Alteration of the micellar morphology induced by the addition of D9-tetrahydrocannabinol to the surfactant/water binary system was also investigated. It was found that the cannabinoid molecules become entrapped within the surfactant hydrophobic tails, thus increasing the surfactant effective packing parameter and inducing a radical change of the micelle shape. At sufficiently low water content (18–35 wt.%), such alteration of the interfacial packing results in a lamellar organization of the surfactant molecules.

Autore Pugliese

• Palazzo Gerardo , Colafemmina Giuseppe

Tutti gli autori

• PALAZZO G.;COLAFEMMINA G.

Titolo volume/Rivista

Non Disponibile

Anno di pubblicazione

2012

ISSN

0021-9797

ISBN

Non Disponibile

Numero di citazioni Wos

18

Ultimo Aggiornamento Citazioni

Non Disponibile

Numero di citazioni Scopus

20

Ultimo Aggiornamento Citazioni

Non Disponibile

Settori ERC

Non Disponibile

Codici ASJC

Non Disponibile