Thermal degradation kinetics of oxo-degradable PP/PLA blends
-
Dev K. Mandal
and
Pramod K. Bajpai
Abstract
In this article, the influence of polylactide and pro-oxidant on the thermal stability, degradation kinetics, and lifetime of polypropylene has been investigated using thermogravimetric analysis under nitrogen atmosphere at four different heating rates (i.e. 5, 10, 15, and 20°C/min). The kinetic parameters of degradation were studied over a temperature range of 30–550°C. The derivative thermogravimetric curves have indicated single stage and two stage degradation processes. The activation energy was evaluated by using the Kissinger, Kim-Park, and Flynn-Wall methods under the nitrogen atmosphere. The activation energy value of polypropylene was much higher than that of polylactide. Addition of polylactide and pro-oxidant in polypropylene decreased the activation energy. The lifetime of polypropylene has also decreased with the addition of polylactide and pro-oxidant.
Acknowledgements
The authors wish to express their sincere thanks to Council of Scientific and Industrial Research (CSIR), Government of India for funding the work through scheme number 22(00745)/17/EMR-II, Funder Id: 10.13039/501100001412.
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©2019 Walter de Gruyter GmbH, Berlin/Boston
Articles in the same Issue
- Frontmatter
- Material properties
- Interpenetrating polymer network adhesive bonding of PEEK to titanium for aerospace application
- NanoSiO2 strengthens and toughens epoxy resin/basalt fiber composites by acting as a nano-mediator
- Structure and properties of PA6-66/γ-aminopropyltriethoxysilane-modified clay nanocomposites prepared by in situ polymerization
- Tribological and mechanical properties of polyamide-11/halloysite nanotube nanocomposites
- Dynamic and creep analysis of polyvinyl alcohol based films blended with starch and protein
- Effect of addition of silicone oil on the rheology of fumed silica and polyethylene glycol shear thickening suspension
- Thermal degradation kinetics of oxo-degradable PP/PLA blends
- Preparation and assembly
- Comparative studies of energy saving polymers and fabrication of high performance transparent polymer by solvent bonding
- Preparation and characterization of poly(lactic acid)/sisal fiber bio-composites under continuous elongation flow
- Graphene oxide modification for enhancing high-density polyethylene properties: a comparison between solvent reaction and melt mixing
- Comparison of two encapsulation systems of UV stabilizers on the UV protection efficiency of wood clear coats
Articles in the same Issue
- Frontmatter
- Material properties
- Interpenetrating polymer network adhesive bonding of PEEK to titanium for aerospace application
- NanoSiO2 strengthens and toughens epoxy resin/basalt fiber composites by acting as a nano-mediator
- Structure and properties of PA6-66/γ-aminopropyltriethoxysilane-modified clay nanocomposites prepared by in situ polymerization
- Tribological and mechanical properties of polyamide-11/halloysite nanotube nanocomposites
- Dynamic and creep analysis of polyvinyl alcohol based films blended with starch and protein
- Effect of addition of silicone oil on the rheology of fumed silica and polyethylene glycol shear thickening suspension
- Thermal degradation kinetics of oxo-degradable PP/PLA blends
- Preparation and assembly
- Comparative studies of energy saving polymers and fabrication of high performance transparent polymer by solvent bonding
- Preparation and characterization of poly(lactic acid)/sisal fiber bio-composites under continuous elongation flow
- Graphene oxide modification for enhancing high-density polyethylene properties: a comparison between solvent reaction and melt mixing
- Comparison of two encapsulation systems of UV stabilizers on the UV protection efficiency of wood clear coats
