LDPE Sample-C

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

Column	Particle Size	Mw obtained from calibration curve (PS)
GPC UT-806M	30micron	143,000
GPC HT-806M	13micron	133,000

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

*BHT: Butylhydroxytoluene