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基于热塑性聚氨酯共混物的高性能介电弹性体驱动器的研究

致谢/Acknowledgement第4-5页
摘要第5-6页
Abstract第6-7页
缩写和符号清单 List of abbreviations and symbols第17-20页
1 Introduction第20-45页
    1.1 Electroactive Polymers Background第20-21页
    1.2 Principle of work of DEA第21-24页
    1.3 Known failure modes第24-31页
        1.3.1 Conduction第24-26页
        1.3.2 Electrodes failure第26-27页
        1.3.3 Breakdown strength第27-29页
        1.3.4 Mechanical failure第29-30页
        1.3.5 Electromechanical instability第30-31页
    1.4 Improvement of the performance of DEA第31-37页
        1.4.1 Intrinsic improvement第31-33页
        1.4.2 Influence of prestraining第33-36页
        1.4.3 Boundaries impact on DEA performance第36-37页
    1.5 Polymers for electromechanical actuation第37-44页
        1.5.1 VHB and acrylic-based第37-38页
        1.5.2 Silicones第38-40页
        1.5.3 Polyvinylidene fluoride and its copolymers第40-41页
        1.5.4 Thermoplastic elastomers第41-44页
    1.6 Summary第44-45页
2 Fabrication of materials第45-66页
    2.1 Selection of the elaboration process第45-48页
        2.1.1 Choice of the elaboration road第45-46页
        2.1.2 Processing road第46-48页
    2.2 Selection of polyurethane第48-54页
        2.2.1 Description of PU material第48-52页
        2.2.2 Differences inside PUs第52-53页
        2.2.3 Choice of the solvent第53-54页
    2.3 Selection of a high dipole molecule第54-56页
        2.3.1 Choice of the molecule第54-55页
        2.3.2 Synthesis route of DR19第55-56页
    2.4 Synthesis of plasticizers第56-61页
        2.4.1 Discussion on plasticizers第56-58页
        2.4.2 Choice of plasticizers第58-59页
        2.4.3 Synthesis route for the PMG第59-61页
    2.5 Miscibility of plasticizers第61-64页
        2.5.1 Hildebrandt parameter第61-63页
        2.5.2 Gibbs free energy analysis第63-64页
    2.6 Compliant electrodes第64-65页
    2.7 Summary第65-66页
3 Characterization of the performance第66-83页
    3.1 ~1H NMR spectroscopy第66-68页
    3.2 Fourrier transformed infrared spectroscopy第68-70页
    3.3 Immittance analysis第70-76页
        3.3.1 Complex permittivity第70-75页
        3.3.2 Impedemmetry第75-76页
    3.4 Scanning electron microscopy(SEM)第76-77页
    3.5 Mechanical tests第77-79页
    3.6 Actuation strain analysis第79-82页
    3.7 Summary第82-83页
4 Results and discussion of the different DEA blends第83-136页
    4.1 Analysis on the blends with DR19第84-102页
        4.1.1 Dielectric analysis第84-89页
        4.1.2 Mechanical tests第89-93页
        4.1.3 Electromechanical response第93-96页
        4.1.4 Study of the structure by FTIR第96-102页
    4.2 Analysis on blends with plasticizers第102-113页
        4.2.1 Morphology of blends with various plasticizers第102-103页
        4.2.2 Dielectric analysis第103-106页
        4.2.3 Tensile measurement第106-107页
        4.2.4 Electromechanical response第107-113页
    4.3 Mixing TPU with PDMS第113-127页
        4.3.1 Structural analysis第113-118页
        4.3.2 Dielectric analysis第118-121页
        4.3.3 Mechanical properties第121-123页
        4.3.4 Impact on the actuation properties第123-127页
    4.4 Study of the boundary conditions第127-136页
        4.4.1 Dielectric analysis第127-129页
        4.4.2 Mechanical properties第129-131页
        4.4.3 Electromechanical response第131-134页
        4.4.4 Theoretical demonstration for diaphragm actuators第134-136页
5 结论/ Conclusion第136-138页
参考文献/References第138-157页
作者简历及在学研究成果第157-160页
学位论文数据集第160页

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