Keywords: پلی اترامید; IPDI; Isophorone diisocyanate; MDI; Methylene diphenyl diisocyanate; PEthA; Polyetheramide; PEA; Polyesteramide; TTIP; Titanium isopropoxide; THF; Tetrahydrofuran; TEVS; Vinyltriethoxysilane; DBTDL; Dibutyltin dilaurate; MS; Mild steel; AIJFA; Azadirachta