FORMATION OF METASTABLE VATERITE CRYSTALS IN A POLYMER MATRIX BY GASEOUS DIFFUSION

FORMATION OF METASTABLE VATERITE CRYSTALS IN A POLYMER MATRIX BY GASEOUS DIFFUSION

A composite consisting of a polymer and calcium carbonate has been synthesized by allowing carbon dioxide to diffuse into a poly(ethylene oxide) film containing a source of calcium ions. The X-ray pattern of the synthetic composite material shows that the least thermodynamically stable polymorph of...

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Autores principales: PITCHER,MICHAEL W, NESHAT,ABDOLLAH, SEYYIDOGLU,SEMIH
Lenguaje:English
Publicado: Sociedad Chilena de Química 2008
Acceso en línea:http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-97072008000200018
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spelling oai:scielo:S0717-970720080002000182009-06-09FORMATION OF METASTABLE VATERITE CRYSTALS IN A POLYMER MATRIX BY GASEOUS DIFFUSIONPITCHER,MICHAEL WNESHAT,ABDOLLAHSEYYIDOGLU,SEMIHA composite consisting of a polymer and calcium carbonate has been synthesized by allowing carbon dioxide to diffuse into a poly(ethylene oxide) film containing a source of calcium ions. The X-ray pattern of the synthetic composite material shows that the least thermodynamically stable polymorph of calcium carbonate, vaterite is the mineral phase which is formed, rather than the most thermodynamically stable calcite phase. This effect has been seen in other reports of crystallization of inorganic phases which have been mediated by a polymer matrix and/or other organic moieties. In this paper, some possible explanations are presented which may help explain this phenomenon.info:eu-repo/semantics/openAccessSociedad Chilena de QuímicaJournal of the Chilean Chemical Society v.53 n.2 20082008-06-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-97072008000200018en10.4067/S0717-97072008000200018
institution Scielo Chile
collection Scielo Chile
language English
description A composite consisting of a polymer and calcium carbonate has been synthesized by allowing carbon dioxide to diffuse into a poly(ethylene oxide) film containing a source of calcium ions. The X-ray pattern of the synthetic composite material shows that the least thermodynamically stable polymorph of calcium carbonate, vaterite is the mineral phase which is formed, rather than the most thermodynamically stable calcite phase. This effect has been seen in other reports of crystallization of inorganic phases which have been mediated by a polymer matrix and/or other organic moieties. In this paper, some possible explanations are presented which may help explain this phenomenon.
author PITCHER,MICHAEL W
NESHAT,ABDOLLAH
SEYYIDOGLU,SEMIH
spellingShingle PITCHER,MICHAEL W
NESHAT,ABDOLLAH
SEYYIDOGLU,SEMIH
FORMATION OF METASTABLE VATERITE CRYSTALS IN A POLYMER MATRIX BY GASEOUS DIFFUSION
author_facet PITCHER,MICHAEL W
NESHAT,ABDOLLAH
SEYYIDOGLU,SEMIH
author_sort PITCHER,MICHAEL W
title FORMATION OF METASTABLE VATERITE CRYSTALS IN A POLYMER MATRIX BY GASEOUS DIFFUSION
title_short FORMATION OF METASTABLE VATERITE CRYSTALS IN A POLYMER MATRIX BY GASEOUS DIFFUSION
title_full FORMATION OF METASTABLE VATERITE CRYSTALS IN A POLYMER MATRIX BY GASEOUS DIFFUSION
title_fullStr FORMATION OF METASTABLE VATERITE CRYSTALS IN A POLYMER MATRIX BY GASEOUS DIFFUSION
title_full_unstemmed FORMATION OF METASTABLE VATERITE CRYSTALS IN A POLYMER MATRIX BY GASEOUS DIFFUSION
title_sort formation of metastable vaterite crystals in a polymer matrix by gaseous diffusion
publisher Sociedad Chilena de Química
publishDate 2008
url http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-97072008000200018
work_keys_str_mv AT pitchermichaelw formationofmetastablevateritecrystalsinapolymermatrixbygaseousdiffusion
AT neshatabdollah formationofmetastablevateritecrystalsinapolymermatrixbygaseousdiffusion
AT seyyidoglusemih formationofmetastablevateritecrystalsinapolymermatrixbygaseousdiffusion
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