2010
DOI: 10.1002/pat.1461
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The influence of CaCO3 filler component on thermal decomposition process of PP/LDPE/DAP ternary blend

Abstract: Polypropylene‐low density polyethylene (PP‐LDPE) blends involving PP‐LDPE (90/10 wt%.) with (0.06 wt%) dialkyl peroxide (DAP) and different amounts (5, 10, 20 wt%) of calcium carbonate (CaCO3) were prepared by melt‐blending with a single‐screw extruder. The effect of addition of CaCO3 on thermal decomposition process and kinetic parameters, such as activation energy and pre‐exponential factor of PP‐LDPE blend with DAP matrix, was studied. The kinetics of the thermal degradation of composites was investigated b… Show more

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Cited by 14 publications
(10 citation statements)
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“…The activation energy of degradation of PP was found to be about 118.1 kJ mol −1 , similar to the value obtained for other authors . In the case of PR 19 LHT XT composites, the activation energy maintains practically constant around 100 kJ mol −1 with increasing filler content (Fig.…”
Section: Resultssupporting
confidence: 88%
“…The activation energy of degradation of PP was found to be about 118.1 kJ mol −1 , similar to the value obtained for other authors . In the case of PR 19 LHT XT composites, the activation energy maintains practically constant around 100 kJ mol −1 with increasing filler content (Fig.…”
Section: Resultssupporting
confidence: 88%
“…According to Coats–Redfern's equation, E , the activation energy of thermal degradation, can be calculated by plotting log( g (α)/ T 2 ) vs. 1/ T , as shown in Fig. 16 [17, 18]. Table 4 lists the kinetic parameters calculated from Kissinger's and Coats–Redfern's methods.…”
Section: Resultsmentioning
confidence: 99%
“…For the same reason, increasing the CC content increases the degradation resistance. The effect of CC on thermal degradation compounded into polyolefin composites was recently studied by Dogan et al [18]. A 5, 10, and 20 wt% of 20 μm CC particles were compounded with PP/low‐density polyethylene (90/10 wt%) in the presence of a dialkyl peroxide (0.06 wt%).…”
Section: Resultsmentioning
confidence: 99%
“…Some polyolefins are prone to chain‐scission reactions in the presence of free radicals. PP is degraded because of chain scission in β position to the macroradical site, whereas PE is cross‐linked because of macroradical recombination . Dilauroyl peroxide had an influence on PP by controlled degradation and HDPE by cross‐linking.…”
Section: Discussionmentioning
confidence: 99%
“…Therefore, it is necessary to fully examine the thermal degradation of the blends in the presence of a recycled polymer to determine the thermal stability of the polymers and their blends. Many researchers investigated the properties of low‐density polyethylene, HDPE, PP, and their blends such as structure, morphology, viscosity, and mechanical and thermal properties …”
Section: Introductionmentioning
confidence: 99%