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1
Supporting Information
Structure-induced catalytic activity of Co-Zn double-metal cyanide complexes for
terpolymerization of propylene oxide, cyclohexene oxide and CO2
Joby Sebastian†, ‡, Darbha Srinivas†, ‡, *
† Catalysis Division, CSIR-National Chemical Laboratory, Pune-411 008, India.
‡ Academy of Scientific and Innovative Research (AcSIR), New Delhi- 110 001, India.
S13. Reaction time verses reactor pressure at different reaction conditionsusing DMC-II as catalyst. (a) effect of temperature, (b) effect of CO2 pressure, (c) effect of catalyst quantity
and (d) effect of % PO in reactant epoxide mixture.
0 2 4 6 8 10280
320
360
400
440
Re
acto
r pre
ssur
e (ps
i)
Reaction time (h)
95 oC 85 oC 75 oC
(a)
0 2 4 6 8 100
100
200
300
400
Reac
tor P
ress
ure (
Psi)
Reaction time (h)
20 bar 10 bar 30 bar
(b)
0 2 4 6 8 10
250
300
350
400
450
Reac
tor p
ress
ure (
psig
)
Reaction time (h)
0.083 g 0.113 g 0.226 g
(c)
0 2 4 6 8 10
225
300
375
450
525
Reac
tor p
ress
ure (
psi)
Reaction time (h)
80% 66% 57% 50% 43% 33% 20%
(d)
15
10 20 30 40 50
Inte
nsity
(a.u
)
2 (degree)
Recycled
Fresh
S14. PXRD patterns of fresh and spent DMC-II catalyst. Reaction conditions: CHO = 5.6 g, PO = 3.5 g, CHO : PO molar ratio = 1:1, catalyst = 0.226 g, toluene = 8.7 g, pCO2 = 30 bar,
reaction time = 11 h, reaction temperature = 85°C.