Table 1.
Analysis conditions for GPC

Analyzer	GPC configuration: LC-20AD (pump) + SPD-M20A (detector) + CTO-20A (column oven), Shimadzu, Japan
Column	PLgel 10 µm MIXED-B (300 × 7.5 mm, AGILENT, USA)
Flow rate	0.5 mL/min
Sample injection volume	10 µL
Eluent	THF
Column oven temperature	30°C
Detector	UV (254 nm: polystyrene standards, 280 nm: samples and phenol)
Analysis time	30 min