New dendronized polymers from acrylate Behera amine and their ability to produce visco-elastic structured fluids when mixed with CTAT wormlike micelles

JULIO CUGGINO; MARCELO CALDERÓN; CECILIA I. ALVAREZ IGARZABAL; MIRIAM STRUMIA; KAROLAINE SILVA ; EVIS PENOTT-CHANG ; ALEJANDRO J. MÜLLER

ACADEMIC PRESS INC ELSEVIER SCIENCE

Lugar: Belgica; Año: 2011 vol. 357 p. 147 - 147

font size="1" face="AdvGulliv-R"> Two new water soluble dendronized polymers (PLn) from acrylate Behera amine monomer of different molecular weights were successfully synthesized. The polymers were characterized by FTIR, NMR, GPC and DLS. Both GPC and DLS results indicated that these PLn have a remarkable tendency to form aggregates in solution that lead to apparent molecular weights that are much higher than their theoretical values, as well as large diameters in solution. However, the addition of any PLn to water did not cause any increase in viscosity up to concentrations of 1000 ppm. The possible interactions of PLn with the cationic surfactant CTAT were explored by solution rheometry. A synergistic viscosity enhancement was found by adding small amounts of dendronized PLn polymers