The
goal of this chapter is to look at how the constants of thermal properties and
the degree of crystallinity of mixes (PP/EPR)/Calcium carbonates prepared using
the Micro Bivis vary over time. Three calcium carbonate models were utilised to
strengthen the basic copolymer PP/EPR at a low level: socal312, socal322v, and
Winnofil spm (5 percent ). Using differential scanning calorimetry DSC, the
various combinations were then subjected to two cycles of thermal loading.
Finally, we determined the degree of crystallinity of the mixes using the
thermal characteristics of isotactic polypropylene (TfP, TcP, HfP, HcP). One of
the project's objectives is to reduce the energy cost of mixing mixes. The
relative differences between the aforementioned characteristics and those of
the basic copolymer were measured. It shows that when calcium carbonate loading
is modest, the enthalpies of crystallisation during the second exothermic cycle
fall, with values as high as 5,53 J/gPP for the basic copolymer PP/EPR. During
the second endothermic cycle, the melting temperatures of isotactic
polypropylene for all blends, as well as the basic copolymer PP/EPR, rise.
Calcium carbonates have been demonstrated to lower the melting energy of
isotactic polypropylene even at a low loading rate for the majority. The
existence of a so-called limited amorphous phase in our composites enhances
this phenomena, which is connected to the number of endothermic cycles.
Author(s) Details:
Noah Pierre Marcel Anicet,
Laboratory of Mechanics, ENSET, University of Douala, P.O. Box 1872,
Douala, Camroon and Department of Mechanical Engineering, ENSET, University of
Douala, P.O. Box 1872, Douala, Cameroon.
Ayissi Zacharie Merlin,
Laboratory of Energy Materials Modelisation and Method, University of Douala,
Douala, Cameroon.
Zogo Tsala Simon Armand,
Department of Civil Engineering, ENSET, University of Ebolowa, P.O. Box
886, Ebolowa, Cameroon.
Kenmogne Fabien,
Department of Civil Engineering, ENSET, University of Douala, P.O. Box
1872, Douala, Cameroon.
Betene Ebanda Fabien,
Laboratory of Mechanics, ENSET, University of Douala, P.O. Box 1872,
Douala, Cameroon and Department of Mechanical Engineering, ENSET, University of
Douala, P.O. Box 1872, Douala, Cameroon.
Atangana Ateba,
Laboratory of Mechanics, ENSET, University of Douala, P.O. Box 1872,
Douala, Cameroon and Department of Mechanical Engineering, ENSET, University of
Douala, P.O. Box 1872, Douala, Cameroon.
Please see the link here: https://stm.bookpi.org/RACMS-V1/article/view/7102
No comments:
Post a Comment