A model for athermal enhancement of molecular mobility in solid polymers by light

2021 ◽  
Author(s):  
Zouheir Sekkat
Keyword(s):  
Molecular Mobility ◽  
Solid Polymers

The role of molecular mobility in the yielding of solid polymers

Polymer ◽  
1993 ◽  
Vol 34 (3) ◽  
pp. 518-527 ◽  
Author(s):  
J LEFEBVRE ◽  
B ESCAIG
Keyword(s):  
Molecular Mobility ◽  
Solid Polymers

ChemInform Abstract: The Role of Molecular Mobility in the Yielding of Solid Polymers

ChemInform ◽  
2010 ◽  
Vol 24 (25) ◽  
pp. no-no
Author(s):  
J. M. LEFEBVRE ◽  
B. ESCAIG
Keyword(s):  
Molecular Mobility ◽  
Solid Polymers

Deuteron NMR and modelling in solid polymers

1992 ◽  
Vol 89 ◽  
pp. 399-412 ◽  
Author(s):  
J Hirschinger
Keyword(s):  
Solid Polymers ◽  
Deuteron Nmr

Features of radiothermoluminescence of polypropylene and ethylene propylenediene elastomer SKEPT-4044 compositions with nanoscale metal-containing fillers

2020 ◽  
pp. 66-73
Author(s):  
A.M. Magerramov ◽  
◽  
N.I. Kurbanova ◽  
M.N. Bayramov ◽  
N.A. Alimirzoyeva ◽  
...  
Keyword(s):  
Transition Temperature ◽  
Molecular Mobility ◽  
Fe3o4 Nanoparticles ◽  
Low Temperatures ◽  
Frost Resistance ◽  
Relaxation Processes ◽  
Ethylene Propylene ◽  
Temperature Range ◽  
Β Relaxation

Using radiothermoluminescence (RTL), the molecular mobility features in the temperature range of 77-300 K were studied for the polypropylene (PP)/ethylene propylene diene elastomer SKEPT-4044 with NiO, Cu2O and Fe3O4 nanoparticles (NPs) based on ABS-acrylonitrile butadiene or SCS-divinyl styrene matrices. It has been shown that the introduction of nanofillers in PP significantly affects the nature and temperature of γ- and β-relaxation processes, while the region of manifestation of the β-process noticeably shifts to the region of low temperatures. Composites with Cu2O NPs have a higher β-transition temperature Tβ than composites with other NPs. It was found that PP/SKEPT-4044 composites with Cu2O NPs with a dispersion of 11-15 nm and acrylonitrile butadiene thermoplastics have optimal frost resistance compared to other compositions.

Using NMR to Test Molecular Mobility during a Chemical Reaction

2021 ◽  
Vol 12 (9) ◽  
pp. 2370-2375
Author(s):  
Huan Wang ◽  
Tian Huang ◽  
Steve Granick
Keyword(s):  
Chemical Reaction ◽  
Molecular Mobility
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