The effect of some fillers on PVC degradation

Karayıldırım, Tamer; Yanık, Jale; Yüksel, Mithat; Sağlam, Mehmet; Vasile, Cornelia; Bockhorn, Henning

doi:10.1016/j.jaap.2005.04.012

Cited by 109 publications

(72 citation statements)

References 33 publications

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“…It is well known that hydrogen chloride is eliminated from PVC at around 300 °C [1][2][3], and benzene is also formed during this first thermal decomposition step. The evolved hydrogen chloride often catalyses the decomposition of other synthetic polymers in plastic wastes [4][5][6][7], however, the presence of other polymers or inorganic salts also modify the dehydrochlorination step of PVC [8][9][10][11]. Significant effects of PVC have been observed on the thermal decomposition of natural polymers as well.…”

Section: Introductionmentioning

confidence: 99%

Pyrolysis of wood–PVC mixtures. Formation of chloromethane from lignocellulosic materials in the presence of PVC

Czégény

Jakab

Bozi

et al. 2015

Journal of Analytical and Applied Pyrolysis

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Thermal decomposition of polyvinylchloride (PVC) -wood and wood component mixtures were examined under slow and fast heating by pyrolysis-gas chromatography/mass spectrometry (Py-GC/MS) and thermogravimetry/mass spectrometry(TG/MS) techniques in order to clarify the chemical interaction of biomass materials and PVC during thermal decomposition. A hardwood and a softwood (beech and pine), their lignin and two types of cellulose (Avicel and Whatman) were chosen as natural polymer components. Comparing the gaseous and liquid pyrolysis products of pure samples to those of mixtures it was found that considerably lower amount of several reactive compounds have been produced when the biomass sample was mixed with PVC. On the other hand significant amount of chloromethane appeared in the pyrolysate of wood and lignin samples mixed with PVC under fast and slow pyrolysis conditions as well, but only in traces of chlorinated organic compounds were detected from cellulose mixtures. It was concluded that the methoxy groups at phenolic rings in lignin are the methyl source of chloromethane formation, and this reaction consumed most of the HCl evolved from PVC.

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Section: Introductionmentioning

confidence: 99%

Pyrolysis of wood–PVC mixtures. Formation of chloromethane from lignocellulosic materials in the presence of PVC

Czégény

Jakab

Bozi

et al. 2015

Journal of Analytical and Applied Pyrolysis

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“…In stepwise pyrolysis, the polymer mixture is firstly dehydrochlorinated then pyrolysed [20]. It was concluded that the stepwise pyrolysis of plastic mixtures seemed to be reasonable if the various components decomposed at different temperatures.…”

Section: Introductionmentioning

confidence: 99%

TG-FTIR analysis of PVC thermal degradation and HCl removal

Zhu

Jiang

Yan

et al. 2008

Journal of Analytical and Applied Pyrolysis

242

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“…Meanwhile, due to the effects of alkalescence and the coupling function from the -NH2 groups in CS molecular chains, it was also deduced that the autocatalytic effect of HCl on continuous dehydrochlorination of PVC macromolecular chains was partly crippled due to the adsorption and acid-base neutralization by CS (Karayildirim et al 2006;Xu et al 2014b).…”

Section: Introductionmentioning

confidence: 99%

Effects of Natural Chitosan as Biopolymer Coupling Agent on the Pyrolysis Kinetics of Wood Flour/ Polyvinyl Chloride Composites

Xu¹,

Chen²,

Wang³

et al. 2015

BioResources

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The thermal degradation behavior and pyrolysis kinetic models of wood flour (WF)/PVC composites before and after adding chitosan were studied using thermogravimetry (TGA) and nine common kinetic model functions (f(α)). The results indicated that the thermal degradation temperature of WF/PVC composites was delayed to a higher value after adding chitosan. The first-order reaction order (L1) model and secondorder reaction order (L2) model were found to be the best reaction order functions for the description of mass loss kinetics of WF/PVC without chitosan during the first and second stages. Two L2 models were suitable for both degradation stages of WF/CS/PVC. Activation energy (E) and frequency factor (A) for WF/PVC and WF/CS/PVC corresponded to 26.05 kJ·mol

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The effect of some fillers on PVC degradation

Cited by 109 publications

References 33 publications

Pyrolysis of wood–PVC mixtures. Formation of chloromethane from lignocellulosic materials in the presence of PVC

Pyrolysis of wood–PVC mixtures. Formation of chloromethane from lignocellulosic materials in the presence of PVC

TG-FTIR analysis of PVC thermal degradation and HCl removal

Effects of Natural Chitosan as Biopolymer Coupling Agent on the Pyrolysis Kinetics of Wood Flour/ Polyvinyl Chloride Composites

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