✍ Scribed by Joachim Kötz; Iris Brühl; Sabine Kosmella; Jürgen Reiche; Brigitte Tiersch
No coin nor oath required. For personal study only.
The influence of polyelectrolytes on structure formation in liquid synthetic amphiphils are preferred . If the head group crystalline Na-dodecylsulfate/decanol/water systems was investiof the amphiphil is ionic, then the role of electrostatic forces gated by means of small angle X-ray diffraction, rheology, NMR has to be taken into account. Considering the mesophasespectroscopy, and microscopy. By adding Na-polyacrylate (PAA) polyelectrolyte interactions, systematic investigations about into the mesophase, the one-phase region is left and phenomena the role of Coulombic forces are rather scarce. Remarkable of phase separation into a solvent-rich and a polymer/surfactantresults regarding the formation of liquid crystalline lipidrich phase occurs. By incorporating an anionic and cationic polyprotein complexes have been demonstrated (6, 7). Much electrolyte step by step the tendency of phase separation is inattention has been paid to film formation processes on the creased drastically. The self-organization process can be regulated directly by varying the water content of the system. However, at basis of polyelectrolyte-surfactant interactions by Antonietti a water content of 30% the properties of the resulting liquid crystal and Kunitake et al. .
Our own work was related to the penetration of synthetic Bragg peaks, NMR shows a peak-splitting, and rheology shows a polyelectrolytes into a cationic as well as an anionic liquid change from non-Newtonian to Newtonian-flow behavior. On the crystalline model system 11). By adding a strong catbasis of the experimental results an ordered multilayer associate ionic polyelectrolyte of high charge density to the Na-dodestructure can be assumed. ᭧ 1997 Academic Press cyl sulfate/decanol/water system the cationic polymer is di-Key Words: polyelectrolyte complex formation; lamellar liquid rectly attached on the sulfate head groups of the bilayer (11).
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## Abstract **Summary:** The microstructure and phase transformation of a highly‐branched polyethyleneimine/octadecanoic acid (PEI(OA)~1.0~) complex were investigated using a combination of DSC, XRD, optical polarised microscopy and temperature dependent FT‐IR spectroscopy. A mesogen‐free thermotro