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A flesh appraisal of the analytical temperature rising elution fractionation (TREF) technique is presented. It is shown that by using linear paraffins and low molecular weight polyethylenes as standards, a new, generalized calibration procedure for TREF can be defined. This allows polyethylene copolymers to be characterized in terms of the length of the methylene sequences between branches. Such a calibration relates directly to the crystallization behaviour of the copolymer, and is very useful for a proper understanding of chain structure in linear low density polyethylene materials.

Посилання на статтю:

A novel calibration for the characterization of polyethylene copolymers by temperature rising elution fractionation / J. G. Bonner, C. J. Frye* and G. Capaccio // Polymer. – 1993. – Vol 34. – P. 3532-3534.

A novel calibration for the characterization of polyethylene copolymers by temperature rising elution fractionation - Завантажити.