Ikuo Sogami: Structure Formation in Solution

Cover: 9783642427701 | Structure Formation in Solution | Ikuo Sogami (u. a.) | Taschenbuch

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Beschreibung

1. 1 Macroionic Systems and the Scope of the Book Inthepresentmonograph,wewilldiscussionicpolymersolutionsandcolloidal dispersions. When these substances are dissolved into a solvent, they produce ionicspecies havinglargemolecularweightsandtheir counterions. We knowa variety of naturally occurring ionic polymers and chemically synthesizedc- pounds. Examples of the former are nucleic acids and some proteins, which playanimportantroleinbiologicalsystems. Examplesofsyntheticionicpo- mers are polyacrylic acid (PAA), polystyrenesulfonic acid (PSS) and poly- lylamine (PAAm). PAAisahighpolymer,inwhichmacrylicacidmoleculesCH =CH(COOH) 2 arelinearlypolymerizedby covalent bonds. Thenumber mis calledthe degree 3 of polymerization and is usually of the order of 10 . When PAA is dissolved in a dissociating solvent like water, anionic macroions and counterions are produced. In the following scheme, the counterions are protons but they may + be metal cations such as Na : ? ? ? ? ?CH ? CH? ?CH ? CH? 2 2 + ? ? ? ? | ? | + mH ? COOH COO m m PAA PAA anion Counterions. PAAm is a cationic polymer and dissociates into PAAm cations and anionic counterions as shown below: ? ? ? ? ?CH ? CH? ?CH ? CH? 2 2 ? ? ? ? ? | +mHCl ? | +mCl + CH ?NH CH ?NH 2 2 2 3 m m PAAm PAAm cation Counterions. 2 1 Introduction + ? In the case of NaCl, it dissociates into Na and Cl , which both have low molecular weights. On the other hand, PAA anions and PAAm cations have 3 highmolecularweights. Ifmis10 ,onepolymerion(macroion)hasananalyt- 3 + icalchargenumberZ of10 ,whichisexceedinglylargerthan1forNa .

Zusammenfassung

The interest of the science community in the topic grew tremendously in the last 5 years

Discusses recent developments compared to three outdated books (1985, 1990, 1993)

There are a very traditional, long known, and the authors'newer point of view to the topic

First time when this newer theory is summarized together with the experiments in a book

Includes supplementary material: [...]

Inhaltsverzeichnis

Effective Interactions between Macroions 1.- Dilute Solutions of Flexible and Spherical Ionic Polymers.- Colloidal Dispersions.- Kikuchi¿Kossel Line Analysis on Colloidal Crystals.- Effective Interactions between Macroions 2.- Viscometric Properties of Dilute Ionic Polymer Solutions and Colloidal Dispersions.- Phase Transitions by Computer Simulation.- Further Problems of Interparticle Interaction.

Details

Erscheinungsjahr:	2014
Fachbereich:	Fertigungstechnik
Genre:	Mathematik , Medizin , Naturwissenschaften , Technik
Rubrik:	Naturwissenschaften & Technik
Medium:	Taschenbuch
Inhalt:	xii 350 S.
ISBN-13:	9783642427701
ISBN-10:	3642427707
Sprache:	Englisch
Einband:	Kartoniert / Broschiert
Autor:	Sogami, Ikuo Ise, Norio
Hersteller:	Springer-Verlag GmbH Springer Berlin Heidelberg
Verantwortliche Person für die EU:	Springer Verlag GmbH, Tiergartenstr. 17, D-69121 Heidelberg, juergen.hartmann@springer.com
Maße:	235 x 155 x 20 mm
Von/Mit:	Ikuo Sogami (u. a.)
Erscheinungsdatum:	21.10.2014
Gewicht:	0,552 kg