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Research Article

Evaluation of the effect of boron waste sludge and clay on the diffusion of plasticizer to different environments from PVC composite films

A. Pınar Tüzüm Demir

Department of Chemical Engineering, Usak University, Faculty of Engineering, Turkey

Keywords

Abstract


PVC;

Plasticizer;

Diffusion;

Boron;

Clay;

Oxidation index

Poly (vinyl chloride) (PVC) is a rigid polymer that can also be used in flexible applications by the addition of plasticizers. When plasticized PVC (p-PVC) film is heated, plasticizer evaporates from the surface of the film and it degrades by the loss of hydrogen chloride (HCl) gas. Plasticizers are not chemically bound to the polymers, easily diffuse to the contact media during its life-time and contaminate the environments which are in contact. The aim of this study is to reduce the diffusion of plasticizer by means of boron waste sludge (BWS) and clay filler (CF, kaolinite) to assess the effects of BWS and CF on the diffusion of plasticizer. Plastisols were prepared by mixing of plasticizer, heat stabilizer, BWS and CF into PVC resin and were cured in plastigel films. Thus obtained plastigel films were subjected to heat treatment in an oven at 100, 130 and 150°C. During heat treatment diffusion of plasticizers from p-PVC films into air was studied. In addition, migration of plasticizers into hexane was compared with the migration of plasticizers into air during the heat treatment. For this purpose, the effects of BWS and CF on the migration of the plasticizer to different environments were examined. Diffusion coefficient of plasticizer was evaluated according to the Fick’s law and to determine related activation energies according to the Arrhenius relation. Oxidation index (OI) values were determined by using FTIR spectroscopy. The addition of boron waste was reduced the diffusion of the plasticizer into air and increased the activation energy value.  Its determined that, the mass loss of the films decreased with increasing amount of BWS and CF. © 2019 MIM Research Group. All rights reserved.

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25/12/2019 Most Cited Paper Award: The paper authored by Manoj Sahni and Sanjeev Sharma entitled as “Elastic-plastic deformation of a thin rotating solid disk of exponentially varying density" is awarded the 2019 Most Cited Paper Award of Research on Engineering Structures and Materials (RESM).

25/12/2019 Best Paper Award: The paper authored by Marcelo Mesquita do Amaral, Matheus Wanglon Ferreira and Mauro de Vasconcellos Real entitled as “A simplified method for analysis of reinforced concrete beams exposed to fire situation” is awarded the 2019 Best Paper Award of Research on Engineering Structures and Materials (RESM).


13/11/2019 Data articles as a new type of submision: Editorial Board of our journal have decided to accept a new type of submission: data articles. The focus of these papers is only on data and how it is collected but not on its interpretation and drawn conclusions. For more see News section.


24/5/2019 Collaboration for THERMAM 2019: Editorial Board of our journal and Organizing Committee of 6th International Conference of Thermophysical and Mechanical Properties of Advanced Materials, 8th Rostocker International Conference of Thermophysical Properties for Technical Thermodynamics have agreed to collaborate. Extended versions of the selected papers from the conference will be published in our journal. For more see Events.


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LATEST AWARDS


2019 Most Cited Paper Award:

The paper authored by Manoj Sahni and Sanjeev Sharma entitled as “Elastic-plastic deformation of a thin rotating solid disk of exponentially varying density" is awarded the


2019 Best Paper Award:

The paper authored by Marcelo Mesquita do Amaral, Matheus Wanglon Ferreira and Mauro de Vasconcellos Real entitled as “A simplified method for analysis of reinforced concrete beams exposed to fire situation” is awarded the 


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Last Update:

15.02.2020

(dd.mm.yyyy)