Table 1. Formulation of the Polyols Modified from Various Polyols with PPOA
1
Formulation of PPOA modified polyol
PPOA-EG
PPOA-DEG
PPOA-PEG200
PPOA-PEG400
PPOA-PEG600
Polyol / wt.%
EG / 43.7
DEG / 57.0
PEG200 / 70.3
PEG400 / 84.0
PEG600 / 88.3
PPOA wt.%
55.6
42.5
29.3
15.8
11.6
2
Catalyst wt.%
0.71
0.54
0.38
0.20
0.15
OH value
520.2
442.9
352.9
220.2
129.0
PPOH/OH molar ratio of each formulation was fixed to 0.5.
Tin(II)-2-ethylhexanoate