Low density polyethylene (LDPE) is analyzed using GPC HT-806M and UT-806M columns. Mw values obtained from the calibration curve are almost the same. From the results, it can be concluded that a high molecular weight portion which is subject to shear degradation does not exist in the LDPE.
Sample : LDPE, Low density polyethylene
Columns : Shodex GPC UT-806M x 4, HT-806M x 2 (8.0mmID*300mm each)
Eluent : 0.1% BHT* in ODCB
Flow rate : 1.0mL/min
Detector : RI
Column temp. : 140deg-C