The relaxation dynamics of polyropylene glycol oligomers having different end groups was studied by broadband dielectric spectroscopy (10 mHz to 10 GHz) in the temperature interval 110-350 K. above and below the glass transition. The effects produced on structural and secondary relaxations by the different end groups are discussed.
Influence of molecular characteristics on dielectric relaxation of propylene glycol oligomers
CAPACCIOLI, SIMONE;ROLLA, PIERANGELO
2004-01-01
Abstract
The relaxation dynamics of polyropylene glycol oligomers having different end groups was studied by broadband dielectric spectroscopy (10 mHz to 10 GHz) in the temperature interval 110-350 K. above and below the glass transition. The effects produced on structural and secondary relaxations by the different end groups are discussed.File in questo prodotto:
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