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BL
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| Record Number
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889284
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| Main Entry
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Zope, Indraneel Suhas.
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| Title & Author
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Fire retardancy behavior of polymer/clay nanocomposites /\ Indraneel Suhas Zope.
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| Publication Statement
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Singapore :: Springer,, ©2018.
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| Series Statement
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Springer theses : recognizing outstanding Ph. D. research.
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| Page. NO
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1 online resource :: colour illustrations
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| ISBN
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9789811083273
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: 9811083274
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9789811083266
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9811083266
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| Notes
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"Doctoral thesis accepted by the Nanyang Technological University, Singapore."
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| Bibliographies/Indexes
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Includes bibliographical references.
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| Contents
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Intro; Supervisor's Foreword; Abstract; List of Journal Publications; List of Book Chapters; List of Oral Presentations; List of Poster Presentations; Acknowledgements; Statement of Originality; Contents; List of Figures; List of Tables; List of Schemes; Abbreviations; 1 Introduction; 1.1 Overview; 1.2 Motivation and Research Objectives; 1.3 Research Hypothesis and Scope; 1.4 Novel Findings and Outcomes; 1.5 Thesis Organization; References; 2 Literature Review; Abstract; 2.1 Fire Hazards: Need of Fire Retardancy; 2.2 Fire and Combustion; 2.2.1 Fundamental Combustion Mechanism.
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2.2.2 Stages of Fire2.3 Fire Retardant Systems; 2.3.1 Classification of Fire Retardants; 2.3.2 Different Fire Retardant Systems; 2.3.2.1 Halogen-Based Systems; 2.3.2.2 Phosphorous-Based Systems; 2.3.2.3 Metal Hydroxides and Metal Carbonates; 2.3.2.4 Melamine-Based Systems; 2.3.2.5 Intumescent Systems; 2.3.3 Eco-Benign Fire Retardant Systems; 2.4 Structural Chemistry of Clays; 2.5 Polymer/Clay Nanocomposites; 2.6 Influence of Clay on Thermal Decomposition of Polymer-Overview; 2.7 Fire Retardancy Aspects for Polymer/Clay Nanocomposites; 2.7.1 Time-to-Ignition.
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2.7.1.1 Decomposition of Organic Surfactant2.7.1.2 Catalytic Activity of Clay; 2.7.2 Migration of Filler; 2.7.3 Char Formation; 2.7.3.1 Confinement Effect by Clay; 2.7.3.2 Catalytic Activity of Clay; 2.7.4 Smoke Characteristics; 2.8 Summary; References; 3 Experimental Methodology; Abstract; 3.1 Material Selection-Rationale; 3.2 Material Preparation; 3.2.1 Preparation of Metal-Ion Exchanged Clays; 3.2.2 Organic Modification of Clays; 3.2.3 Preparation of Coated Clays; 3.2.3.1 Polyetherimide Coated Clay; 3.2.3.2 Polyimide Coated Clay; 3.2.4 Extrusion; 3.3 Testing Methods; 3.3.1 Cone Calorimeter.
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3.3.2 Thermogravimetric Analyzer Coupled with Infrared Spectrometer3.3.3 Isothermal Studies Using Furnace; 3.4 Characterization Techniques; 3.4.1 Inductively Coupled Plasma Atomic Emission Spectrometer; 3.4.2 CHNS Elemental Analyzer; 3.4.3 Fourier Transform Infrared Spectrometer; 3.4.4 X-Ray Diffraction Spectrometer; 3.4.5 Differential Scanning Calorimeter; 3.4.6 Scanning Electron Microscope; 3.4.7 Transmission Electron Microscope; References; 4 Decomposition Behavior of Metal-Ion Exchanged Clays; Abstract; 4.1 Introduction; 4.2 Results and Discussion.
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4.2.1 Structural Aspects of MI-Clays and OMI-Clays4.2.2 Quantitative Analysis for Metal Concentrations in Exchanged Clays; 4.2.3 Thermal Decomposition; 4.2.3.1 Thermal Decomposition of MI-Clays; 4.2.3.2 Thermal Decomposition of OMI-Clays; 4.2.4 Spectroscopic Analysis of MI-Clays and OMI-Clays Residues; 4.2.4.1 Fourier Transform Infrared Spectroscopy; 4.2.4.2 X-Ray Diffraction Spectroscopy; 4.3 Summary; References; 5 Thermo-oxidative Decomposition Behavior of Polyamide 6 Nanocomposites with Metal-Ion Exchanged Clays; Abstract; 5.1 Introduction; 5.2 Results and Discussion.
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| Abstract
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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.
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| Subject
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Fire resistant polymers.
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Nanocomposites (Materials)-- Combustion.
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Fire resistant polymers.
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TECHNOLOGY ENGINEERING-- Engineering (General)
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TECHNOLOGY ENGINEERING-- Reference.
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| Dewey Classification
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620.1/18
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| LC Classification
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TA418.9.N35
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