STUDY OF INTERPHASE INTERACTION IN POLYMER MATRIX COMPOSITES BY DIFFERENTIAL SCANNING CALORIMETRY (DSC) AND THERMOGRAVIMETRIC ANALYSIS (TGA) METHODS
Z.A. Dadashov, G.Kh. Huseynova, I.S. Ramazanova, U.V. Yusifova, A.F. Nuraliyev, F.F. Yahyayev
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ABSTRACT

Interphase interaction in composites consisting of polar (PVDF) and non-polar (HDPE) polymer matrix and ceramics with different structures (PZT1- rhombohedral, PZT8- tetragonal) was studied by differential scanning calorimetry (DSC) and thermogravimetric analysis methods (TGA). Through DSC analyses, the interactions between the matrix and the filler in the composites, phase transitions and changes in the crystal structure were studied. It was determined that the type, amount and degree of dispersion of the filler have a significant effect on the thermal stability and phase transition of the composites. Mass loss and thermal stability of composites consisting of piezoceramics with different structures were also evaluated by the TGA method, and the effect of interactions occurring at the interphase boundary on the overall thermal parameters of the composite was determined. The obtained results show that the type, quantity and dispersion of the filler have a significant effect on the interaction and decomposition stages of the composites.

Keywords: polymer, composite, matrix, glass transition, enthalpy, entropy, mass loss, plasma, specific heat capacity.
DOI:10.70784/azip.2.2025124

Received: 26.02.2025
Internet publishing: 01.04.2025    AJP Fizika A 2025 01 az p.24-31

AUTHORS & AFFILIATIONS

Institute of Physics Ministry of Science and Education Republic of Azerbaijan, 131 H.Javid ave. Baku, AZ 1073
E-mail: dadashov.zamir87@gmail.com

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