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Utilisation of enzymatic reactions in Al2O3 powder moulding process

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Abstract

Direct Coagulation Casting (DCC) method was applied for an alumina powder molding. In the paper the results of studies on the application of the reaction of acetic acid generation from glycerol triacetate catalyzed by lipase PPL for the flocculation of ceramic slips are presented. The ceramic samples obtained according this method were homogenous of a low content of organic binder (below 0.5 mass%), high tensile strength in the green state (>1 MPa) and high uniformity of thickening and a uniform structure.

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Authors and Affiliations

  1. Faculty of Chemistry, Warsaw University of Technology, 00-664, Warsaw, Noakowskiego 3, Poland

    M. Szafran, K. Jach, A. Tomaszewska-Grzeda & G. Rokicki

Authors
  1. M. Szafran
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  2. K. Jach
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  3. A. Tomaszewska-Grzeda
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  4. G. Rokicki
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Szafran, M., Jach, K., Tomaszewska-Grzeda, A. et al. Utilisation of enzymatic reactions in Al2O3 powder moulding process. Journal of Thermal Analysis and Calorimetry 74, 639–646 (2003). https://doi.org/10.1023/B:JTAN.0000005205.24098.81

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  • DOI: https://doi.org/10.1023/B:JTAN.0000005205.24098.81

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