Thermal properties of the DMC catalysts.

Entry	Catalyst	T −5%/°C	T −10%/°C	T −20%/°C	T −30%/°C
1	DMC-Blank	56.84	74.86	157.15	319.21
2	DMC-PF6	109.37	237.84	490.36	658.71
3	DMC-BF4	190.58	261.45	460.78	627.74
4	DMC-Br	118.30	323.58	522.91	664.67
5	DMC-Cl	106.41	299.95	505.23	708.94