Premium
Application of hydrophobically modified water‐soluble polyacrylamide conjugated with poly(oxyethylene)‐ co ‐poly(oxypropylene) surfactant as emulsifier
Author(s) -
Atta Ayman A.,
AlShafy H. I.,
Mohamed Zakaa M.
Publication year - 2011
Publication title -
polymers for advanced technologies
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.61
H-Index - 90
eISSN - 1099-1581
pISSN - 1042-7147
DOI - 10.1002/pat.1687
Subject(s) - copolymer , surface tension , ethylene oxide , propylene oxide , materials science , critical micelle concentration , pulmonary surfactant , polymer chemistry , polyacrylamide , adsorption , micelle , grafting , chemical engineering , organic chemistry , polymer , chemistry , aqueous solution , composite material , physics , quantum mechanics , engineering
Hydrophobically modified polyacrylamide (PAAm) was prepared by grafting PAAm with block copolymer of poly(ethylene oxide) and poly(propylene oxide), PEO‐PPO‐PEO, by melt method in the presence of benzoyl peroxide as initiator. The chemical structure of the graft copolymer was determined by FTIR and 1 HNMR analyses. The surface tension, critical micelle concentration, and surface activities were determined at different temperatures. Surface parameters such as surface excess concentration ( Γ max ), the area per molecule at interface ( A min ), and the effectiveness of surface tension reduction ( Π CMC ) were determined at different temperatures from the adsorption isotherms of the prepared surfactants. The prepared surfactant was tested as emulsifier for water with xylene, cyclohexane, or petroleum crude oil synthetic emulsions. Copyright © 2010 John Wiley & Sons, Ltd.