Figure 8

PET crystalline fraction (Xc) determined by DSC scans for PET fiber samples stored since 1993, 2009 and 2018, both before and after SFR using n-hexane and DE.
PET crystalline fraction (Xc) determined by DSC scans for PET fiber samples stored since 1993, 2009 and 2018, both before and after SFR using n-hexane and DE.