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Author Nofar, Mohammadreza, 1983- author.

Title Polylactide foams : fundamentals, manufacturing, and applications / Mohammadreza Nofar, Chul B. Park.

Publication Info. Oxford : Elsevier Ltd. : William Andrew, [2018]

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Location Call No. OPAC Message Status
 Axe Elsevier ScienceDirect Ebook  Electronic Book    ---  Available
Description 1 online resource : illustrations (some color)
text txt rdacontent
computer c rdamedia
online resource cr rdacarrier
Series Plastics Design Library
PDL handbook series.
Note Vendor-supplied metadata.
Bibliography Includes bibliographical references and index.
Contents Front Cover; Polylactide Foams; Series Page; Polylactide Foams: Fundamentals, Manufacturing, and Applications; Copyright; Contents; Introduction; 1 -- Introduction to Plastic Foams and Their Foaming; 1.1 Background; 1.2 Foaming Concepts and Classification; 1.3 Blowing Agents for Foaming; 1.4 Plastic Foaming Mechanisms; 1.4.1 Formation of Polymer/Gas Solution; 1.4.2 Cell Nucleation; 1.4.3 Cell Growth; 1.5 Thermoplastic Foam Manufacturing; 1.5.1 Extrusion Foaming; 1.5.1.1 Governing Mechanism of Volume Expansion; 1.5.2 Foam Injection Molding; 1.5.3 Bead Foaming.
2 -- Introduction to Polylactide and Polylactide Foaming2.1 Background; 2.2 Polylactide Structure; 2.3 Crystallization Behavior of Polylactide; 2.3.1 Effects of d-Lactide Content on Polylactide's Crystallization; 2.3.2 Effects of Molecular Weight on Polylactide's Crystallization; 2.3.3 Effects of Chain Branching on Polylactide's Crystallization; 2.4 Glass Transition Temperature Behavior of Polylactide; 2.5 Rheological Properties of Polylactide; 2.6 Polylactide/Gas Mixture Behaviors; 2.7 Polylactide Foam Manufacturing Technologies; 2.7.1 Polylactide Extrusion Foaming.
2.7.2 Polylactide Foam Injection Molding2.7.3 Polylactide Bead Foaming; 3 -- Polylactide PVT, Solubility, and Interfacial Tension Behavior in Presence of Dissolved CO2; 3.1 Polylactide Solubility and Pressure-Volume-Temperature Behaviors; 3.1.1 Pressure-Volume-Temperature Measurement (Specific Volume and Swelling Ratio); 3.1.2 Measurement of Gas Solubility; 3.1.3 The Effect of "D" Content on the Solubility; 3.1.4 Summary; 3.2 Polylactide Interfacial Tension Behavior; 3.2.1 Density Determination; 3.2.2 Interfacial Tension.
3.2.2.1 Effects of Pressure and Temperature on the Polylactide's Interfacial Tension3.2.2.2 Effect of D-Content on the Polylactide's Interfacial Tension; 3.2.3 Summary; 4 -- Polylactide Crystallization Kinetics in Presence of Dissolved Gas; 4.1 Effects of Molecular Architecture (i.e., Branched vs. Linear Structure); 4.1.1 Isothermal Differential Scanning Calorimeter Thermograms and Avrami Analysis; 4.1.2 Effect of Branching on Final Crystallinity of Isothermally Treated Polylactide; 4.1.3 Effect of CO2 Pressure on Final Crystallinity of Isothermally Treated Polylactide.
4.1.4 Optical Microscopy of Isothermally Treated Polylactide4.1.5 Nonisothermal Differential Scanning Calorimeter Thermograms and Avrami Analysis; 4.1.6 Effects of Branching, CO2 Pressure, and Cooling Rate on Final Crystallinity; 4.1.7 Effects of CO2 Pressure, Branching, and Cooling Rate on Tc and Tg; 4.1.8 Summary; 4.2 Effects of Different Types of Dissolved Gases; 4.2.1 Crystal Melting Behavior of Polylactide Under High-Pressure Gas; 4.2.2 Nonisothermal Melt Crystallization; 4.2.3 Polylactide's Isothermal Melt Crystallization Under 1 and 45 bar of CO2, N2, and Helium Pressures.
Summary Polylactide Foams: Fundamentals, Manufacturing, and Applications provides an introduction to the fundamental science behind plastic foams, polylactic acid) and polylactide foaming, giving designers tactics to replace traditional resins with sustainable and biodegradable materials. The book then delves deeper into the technology behind PLA foaming, such as PLA/gas mixture characteristics, solubility, interfacial tension behaviors and crystallization kinetics of various types of PLA and their compounds. The foaming behaviors and mechanisms of various types of PLA and PLA compounds are extensively analyzed and discussed through different manufacturing technologies, namely extrusion foaming, foam injection molding and bead foaming. Interest in Poly(lactic acid) and PLA foams is extremely high - particularly as a potential replacement for styrenic resins - and the price of PLA resin is lower than ever before. This biopolymer has significant potential to improve the sustainability of the plastics industry. Polylactide Foams have a range of potential applications, such as in construction, packaging, insulation, biomedical scaffolds, and others. However, processing and performance of PLA are not at the same level as other non-biodegradable resins.
Subject Foam.
Foam -- Industrial applications.
Foamed materials.
Polylactic acid.
Mousse (Chimie)
Mousse (Chimie) -- Applications industrielles.
Mousses (Matériaux)
Acide polylactique.
foam (material form)
SCIENCE -- Chemistry -- Physical & Theoretical.
Foam
Foam -- Industrial applications
Foamed materials
Polylactic acid
Added Author Park, Chul B., author.
ISBN 9780128139929 (electronic bk.)
0128139927 (electronic bk.)
9780128139912
Standard No. AU@ 000061503225

 
    
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