Citation: Xiao Zheng Lan, Hai Rong Pei, Chuan Xian Cheng. Phase behavior of binary system of bromobenzene-chlorobenzene confined in SBA-15 and MCM-41[J]. Chinese Chemical Letters, ;2011, 22(12): 1497-1500. doi: 10.1016/j.cclet.2011.07.007 shu

Phase behavior of binary system of bromobenzene-chlorobenzene confined in SBA-15 and MCM-41

College of Chemistry and Materials Science, Shandong Agriculture University, Taian 271018, China

Received Date: 18 April 2011

Fund Project: We thank financial support from The Natural Science Foundation of Shandong Province, China (No.ZR2010BM035).

Phase behavior of binary system of bromobenzene-chlorobenzene (C₆H₅Br-C₆H₅Cl) confined in SBA-15 and MCM-41 (pore diameter 8 nm, 3.8 nm, respectively) has been investigated by means of differential scanning calorimetry (DSC). Phase diagram of C₆H₅Br-C₆H₅Cl system confined in SBA-15 is a type of the complete miscible both in liquid and solid state, the same phase behavior as the bulk system. However, the phase diagram comprises only one boundary line, which is shifted down 22-36 K with respect to the bulk system. C₆H₅Br, C₆H₅Cl or the mixture within nanopores of MCM-41 is nonfreezing. The different phase behavior of the system confined in SBA-15 and MCM-41 is thought mainly due to the relative size of pore to molecule.
- Phase behavior,
- Confinement,
- SBA-15,
- MCM-41,
- Phase diagram
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