20.500.12556/RUL-107693
Kinetic model of a Diels-Alder reaction in a molten state
thermal and viscoelastic behaviour
Information on the reaction kinetics in the melt is a valuable prerequisite for a successful application of self-healing ability to benzoxazine-based thermosetting resins. The goal of this research was to develop a kinetic model of the Diels–Alder (DA) reaction in a molten state between N-phenylmaleimide (PMI) and benzoxazine-containing furan group (G-f). Rheological data were found to be of significant importance in the kinetic model development and interpretation. The increase in viscosity, the occurrence of side reactions, and equilibrium between DA and r-DA reaction were identified as possible reasons for the deceleration of reaction rate and limiting conversion. After a thorough investigation of the studied system, accompanied by the knowledge from the literature, the potential reason for the incomplete conversion of reactants was reduced to the crossover between chemically and diffusion-controlled reaction due to the increasing viscosity of reaction system. Accordingly, the kinetic model based on the combination of Rabinowitch equation and Chern–Poehlein model was used to accurately describe the progress of the studied reaction in the molten state.
Diels-Alder reaction
molten state
thermal behaviour
rheology
kinetic model
Diels-Alderjeva reakcija
staljeno stanje
termično obnašanje
reologija
kinetični modeli
true
false
true
Angleški jezik
Slovenski jezik
Članek v reviji
2019-05-14 11:24:43
2019-05-14 11:29:41
2022-08-19 03:50:36
0000-00-00 00:00:00
2020
0
0
Str. 1377-1397
no. 3
Vol. 77
2020
0000-00-00
PostprintKoncna
Objavljeno
NiDoloceno
0000-00-00
0000-00-00
0000-00-00
2020-05-14
66.09
0170-0839
10.1007/s00289-019-02805-z
1538222787
26154240
RAZ_Rucigaj_Ales_2020.pdf
RAZ_Rucigaj_Ales_2020.pdf
1
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0a32b4b9cfe2404bf30c50f5c43ad17840f6ed89a000d1c934170d7604c22752
bae28b0b-a1bb-11eb-a523-00155dcfd717
https://repozitorij.uni-lj.si/Dokument.php?lang=slv&id=141280
https://link.springer.com/article/10.1007/s00289-019-02805-z
1
https://repozitorij.uni-lj.si/Dokument.php?lang=slv&id=118575
Fakulteta za kemijo in kemijsko tehnologijo
0
0
0