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Influence of ethylene–propylene–diene terpolymer addition on processing parameters, phase structure and thermal behaviour of polypropylene/low-density polyethylene blends (CROSBI ID 206816)

Prilog u časopisu | izvorni znanstveni rad | međunarodna recenzija

Vranjes Penava, Nina ; Rek, Vesna ; Slouf, Miroslav ; Jelcic, Zelimir Influence of ethylene–propylene–diene terpolymer addition on processing parameters, phase structure and thermal behaviour of polypropylene/low-density polyethylene blends // Journal of elastomers and plastics, 47 (2014), 6; 502-514. doi: 10.1177/0095244314526738

Podaci o odgovornosti

Vranjes Penava, Nina ; Rek, Vesna ; Slouf, Miroslav ; Jelcic, Zelimir

engleski

Influence of ethylene–propylene–diene terpolymer addition on processing parameters, phase structure and thermal behaviour of polypropylene/low-density polyethylene blends

The influence of blend composition and ethylene– propylene–diene terpolymer (EPDM) content on the processing parameters, phase structure and thermal behaviour of polypropylene (PP) and low- density polyethylene (LDPE) blends was studied. Processing parameters of blends in twin-screw extruder were followed by output (Q), torque (TQ) and back pressure (p), and apparent viscosity as given by TQ/Q and p/Q ratios, while the thermal behaviour was measured using differential scanning calorimetry. Phase structure was investigated using scanning transmission electron microscopy (STEM). The degree of crystallinity (χ c) of PP phase decreased and χ c of LDPE phase increased with higher LDPE content in blends with and without EPDM. STEM micrographs of EPDM compatibilized PP/LDPE blends of compositions 80/20 and 20/80 showed particulate morphology, whereas in the blends of compositions 60/40 and 40/60 the morphology was co-continuous. The EPDM compatibilizer was localized on the interface.

PP/LDPE blends ; compatibilization ; processing parameters ; morphology ; thermal behaviour

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Podaci o izdanju

47 (6)

2014.

502-514

objavljeno

0095-2443

10.1177/0095244314526738

Povezanost rada

Kemijsko inženjerstvo

Poveznice
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