Advances in Shape Memory Polymers

Inbunden, Engelska, 2013

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Shape memory materials are immensely useful because of their capability to recover their original shapes upon exposure to an external stimulus such as heat, moisture, light or a magnetic field. This book reviews key recent research in shape memory polymers, their properties and applications. Topics include the relationship between morphological structures and shape memory properties; high performance Tg and Tm type shape memory polymers; structures of shape memory polymers with supramolecular switches; and the thermally-active and moisture-active shape memory effect of supermolecular shape memory polymers.Advances in shape memory polymers is an essential reference for polymer and textile material students, scientists, designers, engineers and manufacturers. It is also an invaluable guide for professionals in the biomedical, electronics and engineering industries.

Reviews key recent research in shape-memory polymers, their properties and applications
Opening chapters address the relationship between morphological structures and shape memory properties and high performance Tg and Tm type shape memory polymers
Chapters cover thermally-active and moisture-active shape memory effect of supermolecular shape memory polymers, among other topics

Produktinformation

Utgivningsdatum2013-04-16
Mått156 x 234 x undefined mm
Vikt690 g
FormatInbunden
SpråkEngelska
SerieWoodhead Publishing Series in Textiles
Antal sidor368
FörlagElsevier Science
ISBN9780857098528

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Tillverkningsteknik inom Naturvetenskap och teknik

Jinlian Hu is a Professor at the Institute of Textiles and Clothing, Hong Kong Polytechnic University. A Fellow of the Textile Institute, she was also the recipient of the 2001 Award for Distinguished Achievement from the US Fiber Society. Professor Hu has published over 300 articles and several books on textile materials. She is currently the Editor-in-Chief of the Research Journal of Textiles and Apparel.

Woodhead Publishing Series in TextilesAcknowledgementsPrefaceChapter 1: Introduction to shape memory polymersAbstract:1.1 Introduction1.2 Defining shape memory polymers1.3 Types of shape memory polymers1.4 A typical shape memory polymer: shape memory polyurethanes (SMPUs)1.5 ConclusionsChapter 2: Tm-type shape memory polymersAbstract:2.1 Introduction2.2 Structure and properties of Tm-type shape memory polymers2.3 Shape memory properties of Tm-type shape memory polymers2.4 Thermo-mechanical conditions affecting Tm-type shape memory propertiesChapter 3: Tg-type shape memory polymersAbstract:3.1 Introduction3.2 Structure and properties of Tg-type shape memory polymers3.3 Segmented polyurethanes with similar Tg3.4 Thermo-mechanical conditions on Tg-type shape memory polymers3.5 ConclusionsChapter 4: High performance type shape memory polymers prepared by modified two-step polymerizationAbstract:4.1 Introduction4.2 High performance shape memory polymers4.2.1 Molecular structures4.2.2 Thermal properties4.2.3 Shape memory properties4.2.4 Deformation stress, long-term shape fixing and shape memory properties4.2.5 Recovery stress and shape memory properties4.2.6 Stress relaxation4.3 High performance isophorone diisocyanate (IDPI) Tm-type shape memory polymers4.3.1 Molecular structures4.3.2 Thermal properties4.3.3 Dynamic mechanical properties4.3.4 Shape memory properties4.3.5 Shape memory properties after long time fixing4.3.6 Recovery stress4.3.7 Resistance to stress relaxation4.4 High performance Tg-type shape memory polyurethane (SMPU) prepared by modified two-step polymerization4.4.1 Thermal properties of Tg-type high performance shape memory polyurethane4.4.2 Dynamic mechanical properties of Tg-type high performance shape memory polyurethane4.4.3 Phase separation of Tg-type high performance shape memory polyurethane4.4.4 Shape memory properties of Tg-type high performance shape memory polyurethane: thermo-mechanical cyclic tensile tests4.4.5 Shape memory properties of Tg-type high performance shape memory polyurethane: shape fixing4.4.6 Shape memory properties of Tg-type high performance shape memory polyurethane: shape recovery4.4.7 Shape memory properties of Tg-type high performance shape memory polyurethane: recovery stress4.5 ConclusionsChapter 5: Supramolecular shape memory polymersAbstract:5.1 Introduction5.2 Synthesis of polymers containing pyridine moieties5.3 Supramolecular polymers containing functional pyridine5.4 Supramolecular liquid crystalline polymers containing pyridine moieties5.5 Supramolecular polymers and shape memory polymers5.6 ConclusionsChapter 6: Supramolecular shape memory polymers containing pyridineAbstract:6.1 Introduction6.2 Synthesis of shape memory polyurethanes (SMPUs) containing pyridine moieties6.3 The molecular structure of BINA-based SMPUs (BIN-SMPUs)6.4 Theoretical calculations of BIN-SMPU properties and performance6.5 Fourier transform infrared (FT-IR) analysis of BIN-SMPUs6.6 Thermal properties of BIN-SMPUs6.7 Wide angle X-ray diffraction (WAXD) studies of BIN-SMPUs6.8 Dynamic mechanical properties of BIN-SMPUs6.9 Molecular model and morphology of BIN-SMPUs6.10 SummaryChapter 7: Thermally-induced properties of supramolecular shape memory polymers containing pyridineAbstract:7.1 Introduction7.2 Comparison of BINA-based shape memory polyurethane (BIN-SMPU) with other SMPUs7.3 Influence of different factors on shape memory effects (SMEs) of BIN-SMPUs7.4 Thermally-induced SME mechanism of BIN-SMPUs7.5 ConclusionsChapter 8: Moisture-induced properties of supramolecular shape memory polymers containing pyridineAbstract:8.1 Introduction8.2 Moisture absorption of BIN-SMPUs8.3 Effect of moisture absorption on the thermal properties of polyurethane8.4 Effect of moisture absorption on the dynamic mechanical properties of polyurethane8.5 Moisture-induced and water-influenced shape memory effects (SMEs)8.6 Effect of immersion time on strain recovery8.7 Mechanism of the moisture-induced shape memory effect in BIN-SMPUs8.8 SummaryChapter 9: Shape memory polymers with novel functions: electro-active, magnetically-active, light-adaptive and phase change materialsAbstract:9.1 Introduction9.2 Electro-active shape memory polymers9.3 Magnetically-active shape memory polymers9.4 Moisture-active shape memory polymers9.5 Light-adaptive composites from thermally-adaptive shape memory polymers9.6 Introduction to phase change materials9.7 Phase change materials for textiles applications9.8 Solid–liquid phase change materials9.9 Shape memory polymers with phase change properties9.10 Fabrication strategies for phase change materials9.11 SummaryChapter 10: Shape memory finishing treatments for smart textilesAbstract:10.1 Introduction10.2 Reaction of shape memory polyurethane (SMPU), dimethyloldihydroxylethyleneurea (DMDHEU) and liquid ammonia (LA) as finishing agents with cellulosic materials10.3 Shape memory finishing treatments for cotton10.4 Surface morphology of cotton fabrics treated with shape memory polyurethane (SMPU)10.5 Fabric tensile properties and surface appearance10.6 Fabric structure10.7 Effects of shape memory polyurethane (SMPU) on LA/DMDHEU treated cotton10.8 Internal stresses in cotton fabrics10.9 The role of shape memory polyurethane as a finishing agent for cotton fabrics10.10 SummaryChapter 11: Manufacture of Tg and Tm shape memory polyurethane (SMPU) polymer fibersAbstract:11.1 Introduction11.2 Tm-type shape memory fibers prepared by melt spinning11.3 Tg-type shape memory fibers prepared by wet spinning11.4 SummaryChapter 12: Future developments in shape memory polymersAbstract:12.1 Introduction12.2 Tm-shape memory polyurethane (SMPU) with varying Tm12.3 Tg-SMPUs with thermally reversible chemical cross-links12.4 Two-way shape memory fibers12.5 Gas-sensitive shape memory BINA-HDI copolymers (PUPys)12.6 Chemically cross-linked PUPys12.7 Multi-stimuli responsive shape memory fibers12.8 PUPys polymer blends with other polymers12.9 Supramolecular liquid crystalline shape memory polymers12.10 Main-chain pyridine-containing SMPUs12.11 ApplicationsIndex