PAA-PAMPS copolymers as an efficient tool to control CaCO3 scale formation

PAA-PAMPS copolymers as an efficient tool to control CaCO3 scale formation

Scale formation, the deposition of certain minerals such as CaCO3, MgCO3, and CaSO4·2H2O in industrial facilities and household devices, leads to reduced efficiency or severe damage. Therefore, incrustation is a major problem in everyday life. In recent years, double hydrophilic block copolymers (DH...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1992. - 29(2013), 9 vom: 05. März, Seite 3080-8
1. Verfasser: Dietzsch, Michael (VerfasserIn)
Weitere Verfasser: Barz, Matthias, Schüler, Timo, Klassen, Stefanie, Schreiber, Martin, Susewind, Moritz, Loges, Niklas, Lang, Michael, Hellmann, Nadja, Fritz, Monika, Fischer, Karl, Theato, Patrick, Kühnle, Angelika, Schmidt, Manfred, Zentel, Rudolf, Tremel, Wolfgang
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2013
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Acrylic Resins Polymers Sulfonic Acids Water 059QF0KO0R poly(2-acrylamido-2-methyl-1-propanesulfonic acid) 27119-07-9 carbopol 940 mehr... 4Q93RCW27E Calcium Carbonate H0G9379FGK
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100 1 |a Dietzsch, Michael  |e verfasserin  |4 aut 
245 1 0 |a PAA-PAMPS copolymers as an efficient tool to control CaCO3 scale formation 
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500 |a Date Revised 25.11.2016 
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500 |a Citation Status MEDLINE 
520 |a Scale formation, the deposition of certain minerals such as CaCO3, MgCO3, and CaSO4·2H2O in industrial facilities and household devices, leads to reduced efficiency or severe damage. Therefore, incrustation is a major problem in everyday life. In recent years, double hydrophilic block copolymers (DHBCs) have been the focus of interest in academia with regard to their antiscaling potential. In this work, we synthesized well-defined blocklike PAA-PAMPS copolymers consisting of acrylic acid (AA) and 2-acrylamido-2-methyl-propane sulfonate (AMPS) units in a one-step reaction by RAFT polymerization. The derived copolymers had dispersities of 1.3 and below. The copolymers have then been investigated in detail regarding their impact on the different stages of the crystallization process of CaCO3. Ca(2+) complexation, the first step of a precipitation process, and polyelectrolyte stability in aqueous solution have been investigated by potentiometric measurements, isothermal titration calorimetry (ITC), and dynamic light scattering (DLS). A weak Ca(2+) induced copolymer aggregation without concomitant precipitation was observed. Nucleation, early particle growth, and colloidal stability have been monitored in situ with DLS. The copolymers retard or even completely suppress nucleation, most probably by complexation of solution aggregates. In addition, they stabilize existing CaCO3 particles in the nanometer regime. In situ AFM was used as a tool to verify the coordination of the copolymer to the calcite (104) crystal surface and to estimate its potential as a growth inhibitor in a supersaturated CaCO3 environment. All investigated copolymers instantly stopped further crystal growth. The carboxylate richest copolymer as the most promising antiscaling candidate proved its enormous potential in scale inhibition as well in an industrial-filming test (Fresenius standard method) 
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650 4 |a Research Support, Non-U.S. Gov't 
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650 7 |a Polymers  |2 NLM 
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650 7 |a Calcium Carbonate  |2 NLM 
650 7 |a H0G9379FGK  |2 NLM 
700 1 |a Barz, Matthias  |e verfasserin  |4 aut 
700 1 |a Schüler, Timo  |e verfasserin  |4 aut 
700 1 |a Klassen, Stefanie  |e verfasserin  |4 aut 
700 1 |a Schreiber, Martin  |e verfasserin  |4 aut 
700 1 |a Susewind, Moritz  |e verfasserin  |4 aut 
700 1 |a Loges, Niklas  |e verfasserin  |4 aut 
700 1 |a Lang, Michael  |e verfasserin  |4 aut 
700 1 |a Hellmann, Nadja  |e verfasserin  |4 aut 
700 1 |a Fritz, Monika  |e verfasserin  |4 aut 
700 1 |a Fischer, Karl  |e verfasserin  |4 aut 
700 1 |a Theato, Patrick  |e verfasserin  |4 aut 
700 1 |a Kühnle, Angelika  |e verfasserin  |4 aut 
700 1 |a Schmidt, Manfred  |e verfasserin  |4 aut 
700 1 |a Zentel, Rudolf  |e verfasserin  |4 aut 
700 1 |a Tremel, Wolfgang  |e verfasserin  |4 aut 
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