Synthesis of disk-like calcium carbonate (Part 2): Effect of various ethylenediamine compounds on the carbonation of basic calcium carbonate and mechanism of disk-like calcium carbonate synthesis

Hisao Sugihara, Tomoyuki Anan, Kentaro Adachi, Ayako Baba, Naoyoshi Egashira, Hiroyasu Nishiguchi, Tatsumi Ishihara, Yusaku Takita

Research output: Contribution to journalArticlepeer-review

8 Citations (Scopus)

Abstract

The addition of straight chain polyamines such as triethylenetetramine, tetraethylenepentamine, pentaethylenehexamine and 1,4-diaminobutane in the course of carbonation of basic calcium carbonate promoted the formation of disk-like vaterite of 1-1.5 μm in diameter and 0.1-0.2 μm in thickness. On the other hand, cyclic polyamines such as piperazine, 1-(2-aminoethyl) piperazine and 1,4-diazabicyclo [2, 2, 2] octane, and branching polyamine such as 2,2-dimethylpropylene, promoted the formation of spindle-like calcite. Only polyamine in which N-N distance is 0.3 nm or its integral multiple, promoted formation of the disk-like calcium carbonate. Hexagonal of basic calcium carbonate once dissolved in aquarious media and the disk-like calcium carbonate formed.

Original languageEnglish
Pages (from-to)886-890
Number of pages5
JournalJournal of the Ceramic Society of Japan
Volume105
Issue number10
DOIs
Publication statusPublished - Oct 1997
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Ceramics and Composites
  • Chemistry(all)
  • Condensed Matter Physics
  • Materials Chemistry

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