Home
Resources
Publications
Comparison of the Coadsorption of Benzyl Alcohol and Phenyl Ethanol With the Cationic Surfactant, Hexadecyl Trimethyl Ammonium Bromide, at the Air-Water Interface

Comparison of the Coadsorption of Benzyl Alcohol and Phenyl Ethanol With the Cationic Surfactant, Hexadecyl Trimethyl Ammonium Bromide, at the Air-Water Interface

J Penfold, E Staples, I Tucker, L Soubiran, R K Thomas

J Colloid Interface Sci. 2002 Mar 15;247(2):397-403.

PMID: 16290480

Abstract:

A comparison of the coadsorption of benzyl alcohol and phenyl ethanol with the cationic surfactant, hexadecyl trimethyl ammonium bromide, C16TAB, at the air-water interface is made using the specular reflection of neutrons. The phenyl ethanol is more surface active than the benzyl alcohol, and competes more effectively with the C16TAB for the interface. The structure of the C16TAB component in the mixed monolayer is compared with the structure of the pure C16TAB monolayer at an equivalent area per molecule. The addition of the aromatic alcohol subtly alters the conformation of the C16TAB and draws it closer to the aqueous subphase. The center of the alcohol distribution is located in the interface adjacent to the C6 group of the C16TAB alkyl chain closest to the headgroup. Compared to the benzyl alcohol, the more hydrophobic phenyl ethanol is slightly farther away from the headgroup, and has a greater impact on the conformation of the alkyl chain of the C16TAB.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP542110	Phenylammonium bromide		542-11-0	Price

As a specialist in analytical chemical Products, Alfa Chemistry offers consumers a wealth of raw materials and a full range of technologies and services.

QUICK LINKS

HEADQUARTERS

Tel:

Fax:

Email: