Fire Retardancy Behavior of Polymer/Clay Nanocomposites
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Beschreibung
This thesis investigates the early ignition behavior of polymer/clay nanocomposites, which are perceived as potential eco-friendly flame retardant systems. It examines the correlation between clay structural chemistry and high-temperature transformations with clay-assisted decomposition of organic macromolecules. In particular, it investigates the unique effects of metal ions like Mg2+, Al3+ and Fe3+ that are inherent in clays (smectite) on the combustion and thermo-oxidative decomposition of polyamide 6. The results indicate that metal ions present on/in montmorillonite platelets have preferential reactivity towards peroxy/alkoxy groups during polyamide 6 thermal decomposition. Lastly, a simple solution in the form of a physical coating on clay surface is proposed, based on the role of polymer–clay interfacial interaction.
This thesis investigates the early ignition behavior of polymer/clay nanocomposites, which are perceived as potential eco-friendly flame retardant systems. It examines the correlation between clay structural chemistry and high-temperature transformations with clay-assisted decomposition of organic macromolecules. In particular, it investigates the unique effects of metal ions like Mg2+, Al3+ and Fe3+ that are inherent in clays (smectite) on the combustion and thermo-oxidative decomposition of polyamide 6. The results indicate that metal ions present on/in montmorillonite platelets have preferential reactivity towards peroxy/alkoxy groups during polyamide 6 thermal decomposition. Lastly, a simple solution in the form of a physical coating on clay surface is proposed, based on the role of polymer–clay interfacial interaction.
Provides a knowledge base on the catalytic nature of clay particles in relation to the early ignition behavior of polymer/clay nanocomposites Maximizes reader insights into the effects of individual metal ions inherent in clay on thermo-oxidation and combustion behaviors of polymer/clay nanocomposites Proposes solutions to overcome the ignition problem in nanocomposites without affecting other properties
Autor*in
Indraneel Suhas Zope
Themen in »Fire Retardancy Behavior of Polymer/Clay Nanocomposites«
Auto-transformation Metal-ion Exchanged Clays Polyetherimide Coated Clay Polyimide Coated Clay Polyamide 6 Nanocomposites Thermo-oxidative Decomposition Clay Catalysis Organically Modified MI-clays (OMI-clays) Clay Structural Chemistry Nanocomposite Combustion Behaviour