Single Polymer Composites Made of Melt-blown PP Mats and the Modelling of the Uniaxial Tensile Behaviour by the Fibre Bundle Cells Method 


Vol. 22,  No. 10, pp. 2700-2713, Oct.  2021
10.1007/s12221-021-0038-6


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  Abstract

In this study, we generated polypropylene fibre mats via melt blowing (average diameter: 1.03 關m), and then produced self-reinforced composites using hot compaction and investigated the effect of the processing temperature. Scanning electron microscopy (SEM) revealed that our composites had good consolidation, low void content and besides, the fibres and the matrix were clearly distinguishable. The differential scanning calorimetry (DSC) tests showed that the composites are easy to recycle by re-melting. The tensile tests of the melt-blown nonwovens and the produced composites revealed that increasing the temperature of hot compaction results in embrittlement (from ductile to brittle) of the samples, which means higher specific tensile forces and smaller deformations. Using the Fibre Bundle Cells modelling method, we developed a phenomenological, analytical model to describe the total tensile curve (both the deformation and the failure behaviour) and analyse the tensile properties of these hot compacted composites. The determination coefficients (R2) between the modelled and measured force were larger than 0.99 and the relative mean squared error (RMSE) values (related to the measured maximum force value) were smaller than 3 % in every examined case, which indicated good modelling. Hence, the FBC model not only described the tensile behaviour of the nonwovens well, but it was also applicable for the composites.

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  Cite this article

[IEEE Style]

, "Single Polymer Composites Made of Melt-blown PP Mats and the Modelling of the Uniaxial Tensile Behaviour by the Fibre Bundle Cells Method," Fibers and Polymers, vol. 22, no. 10, pp. 2700-2713, 2021. DOI: 10.1007/s12221-021-0038-6.

[ACM Style]

. 2021. Single Polymer Composites Made of Melt-blown PP Mats and the Modelling of the Uniaxial Tensile Behaviour by the Fibre Bundle Cells Method. Fibers and Polymers, 22, 10, (2021), 2700-2713. DOI: 10.1007/s12221-021-0038-6.

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pISSN : 1229 - 9197
eISSN : 1875 - 0052

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