Samplea
|
Reaction conditions
|
Molecular weightb
|
Content of PEG (%)
|
---|
Temperature (°C)
|
Catalyst (g)
|
Mn (g/mol)
|
Mw (g/mol)
|
Mw/Mn
|
---|
LP6000.8
|
130
|
0.8
|
770 ± 7
|
900 ± 7
|
1.16
|
63.0
|
LP6001.0
|
130
|
1.0
|
800 ± 14
|
930 ± 20
|
1.15
|
65.0
|
LP6001.2
|
130
|
1.2
|
780 ± 14
|
900 ± 7
|
1.14
|
67.0
|
LP1000130
|
130
|
1.2
|
890 ± 14
|
1290 ± 28
|
1.43
|
68.0
|
LP1000140
|
140
|
1.2
|
770 ± 7
|
890 ± 14
|
1.16
|
70.0
|
-
aLP6000.8, LP6001.0, and LP6001.2 represent the products obtained from the reaction between LERM and PEG600 at 130 °C using 0.8, 1.0, and 1.2 g catalyst, respectively; LP1000130 and LP1000140 represent the products obtained from the reaction between LERM and PEG1000 at 130 and 140 °C using 1.2 g catalyst, respectively
-
bData represented are mean values and standard deviations of the results obtained from the duplicated determination