Characteristic differences in the formation of complex coacervate core micelles from neodymium and zinc-based coordination polymers

Article Abstract:

The formation of complex coacervate core micelles (C3Ms) from two different tricomponent mixtures, namely neodymium, the bisligand [L.sub.2]E[O.sub.4] and the poly(cation)-block-poly(neutral) diblock copolymer mixed systems are compared. The breakdown of C3Ms by [Nd.sup.3+] is because of the charge inversion of the coordination complex with increasing [[Nd.sup.3+]]/[[L.sub.2]E[O.sub.4]] ratio, resulting in repulsive interaction between the coordination complex and the diblock copolymer, whereas no such interaction has occurred in the zinc system.

All Other Basic Inorganic Chemical Manufacturing, Industrial inorganic chemicals, not elsewhere classified, Neodymium & Compounds, Analysis, Optical properties, Volumetric analysis, Light scattering, Block copolymers, Neodymium

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Monte Carlo study of supramolecular polymer fractionation: Selective removal of chain stoppers by phase separation

Article Abstract:

A method is presented to specifically remove the monofunctional contaminants, which drastically reduce the chain-forming capabilities of supramolecular polymer solutions, the general idea being to induce phase separation by decreasing the solvent quality and to remove the most dilute phase. The calculations indicate that the vast majority of the monofunctional contaminants can be removed in this way, while retaining most of the bifunctional monomers.

Polymers, Monte Carlo method, Monte Carlo methods, Monomers

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Wormlike aggregates from a supramolecular coordination polymer and a diblock copolymer

Article Abstract:

Light scatting and Cryogenic Transmission Electronic Microscopy (Cryo-TEM) are used for the formation of wormlike micelles in mixed systems of a supramolecular coordination Zn-[L.sub.2]E[O.sub.4] and a diblock copolymer. The effect of sample preparation protocol and concentration on the transformation process is described.

Science & research, Research, Technology application, Transmission electron microscopes, Coordination compounds, Cryogenics, Copolymers

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