The thermotropic phase transitions layer compound in the perovskite type （n-C）10)H)21)NH3)2ZnCl4 and （n-C）18)H)37)NH3)2ZnCl4 were synthesized and, at the same time, a series of mixtures C10Zn/C18Zn were prepared. ...The thermotropic phase transitions layer compound in the perovskite type （n-C）10)H)21)NH3)2ZnCl4 and （n-C）18)H)37)NH3)2ZnCl4 were synthesized and, at the same time, a series of mixtures C10Zn/C18Zn were prepared. The experimental binary phase diagram of C10Zn/C18Zn was established by means of differential scanning calorimetry （DSC） and X-ray diffraction. In the phase diagram, compound （n-C）10)H)21)NH3)（n-C）21)H)37)NH3)ZnCl4 and two eutectoid invariants were observed; two eutectoid temperatures are about 53 ℃ and 58 ℃. Contrasting with other similar systems, there are three noticeable solid solution ranges at the left and right boundary and middle of the phase diagram.展开更多
文摘The thermotropic phase transitions layer compound in the perovskite type （n-C）10)H)21)NH3)2ZnCl4 and （n-C）18)H)37)NH3)2ZnCl4 were synthesized and, at the same time, a series of mixtures C10Zn/C18Zn were prepared. The experimental binary phase diagram of C10Zn/C18Zn was established by means of differential scanning calorimetry （DSC） and X-ray diffraction. In the phase diagram, compound （n-C）10)H)21)NH3)（n-C）21)H)37)NH3)ZnCl4 and two eutectoid invariants were observed; two eutectoid temperatures are about 53 ℃ and 58 ℃. Contrasting with other similar systems, there are three noticeable solid solution ranges at the left and right boundary and middle of the phase diagram.
