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A New Method to Purify Highly Phosphonated Block Copolymers and Their Effect on Calcium Carbonate Mineralization

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2005

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Wang, Tongxin
Rother, Gudrun

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https://doi.org/10.1002/macp.200500173
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Macromolecular Chemistry and Physics. 2005, 206(16), pp. 1619-1629. ISSN 1022-1352. eISSN 1521-3935. Available under: doi: 10.1002/macp.200500173

Zusammenfassung

Highly phosphonated double hydrophilic block copolymers (DHBCs) were synthesized through chain transfer radical polymerization or polymerization from a macro-initiator. The DHBCs can be purified by a reprecipitation technique, in which any of the side products or precursors without phosphonate groups can be removed completely. This method provides a new route to purify other functional macromolecules with carboxylic, sulfonate groups etc. apart from dialysis and ultrafiltration. In addition, crystallization results show that the phosphonate groups have a strong influence on calcium carbonate mineralization. They can control the morphology of calcium carbonate from smooth spherical structures to porous structures even at a rather low concentration due to the strong effect of the phosphonate groups on crystallization of the mineral.

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540 Chemie

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ISO 690WANG, Tongxin, Gudrun ROTHER, Helmut CÖLFEN, 2005. A New Method to Purify Highly Phosphonated Block Copolymers and Their Effect on Calcium Carbonate Mineralization. In: Macromolecular Chemistry and Physics. 2005, 206(16), pp. 1619-1629. ISSN 1022-1352. eISSN 1521-3935. Available under: doi: 10.1002/macp.200500173
BibTex
@article{Wang2005-08-19Metho-40268,
  year={2005},
  doi={10.1002/macp.200500173},
  title={A New Method to Purify Highly Phosphonated Block Copolymers and Their Effect on Calcium Carbonate Mineralization},
  number={16},
  volume={206},
  issn={1022-1352},
  journal={Macromolecular Chemistry and Physics},
  pages={1619--1629},
  author={Wang, Tongxin and Rother, Gudrun and Cölfen, Helmut}
}
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