Table 1. Chemicals for Synthesis of Polyester Polyol and Polyurethane

Name	Abb.	Structure	Mw (g)	Supplier
Azelaic acid	Emerox 1117		188.22	Emery Oleochemicals
Sebacic acid			202.25	Arkema
1,4-Butanediol	1,4 BD		90.12	Daejung Co.
1,3-Propanediol	1,3 PD		76.10	TWSISChem.
Isosorbide			146.14	Covestro Chemical
4,4’-methylenebis (phenyl isocyanate)	MDI		250.25	DONYANG Chemical