Poly(butylene terephthalate) was analyzed using GPC HFIP-805
(columns for GPC separation). PBT is a polyester resin used in a wide variety of fields. This chromatogram shows that small amounts of oligomers may affect the characteristics of PBT resin.
Sample : PBT, Poly(butylene terephthalate)
Columns : Shodex GPC HFIP-805 + HFIP-803 (8.0mmID*300mm each)
Eluent : 5mM CF3COONa in HFIP
Flow rate : 1.0mL/min
Detector : Shodex RI
Column temp. : 40°C