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Preparation of Microwave Absorbing Films with Carbon Nanotubes by Layer-by-Layer Assembly

Abstract第5页
Acknowledgement第7-8页
Contents第8-10页
List of figures第10-12页
List of tables第12-13页
List of abbreviations第13-14页
1. INTRODUCTION第14-17页
2. REVIEW OF LITERATURE第17-41页
    2.1. Microwave absorption theory第17-23页
        2.1.1. Shielding effectiveness第17-20页
        2.1.2. Microwave absorption mechanism第20-23页
            2.1.2.1. Losses due to the Oscillating Electric Field第21页
            2.1.2.2. Losses due to the Oscillating Magnetic Field第21-23页
    2.2. Methods of preparation of microwave shielding fabrics第23-29页
        2.2.1. Fabrication of EM shielding textiles via blending第24-26页
        2.2.2. Fabrication of EM shielding textiles via coating第26-29页
    2.3. Microwave absorption characteristics of Carbon nanotubes第29-32页
        2.3.1. CNTs第30页
        2.3.2. Metal filled CNTs第30-31页
        2.3.3. Conducting polymer and CNTs第31-32页
    2.4. Layer-by-layer assembly technique第32-40页
        2.4.1. Conventional LbL assembling methods第33-36页
            2.4.1.1. Electrostatic interaction第33-34页
            2.4.1.2. Hydrogen-bonded LbL assembly第34-35页
            2.4.1.3. Step-by-step reaction for LbL assembly第35页
            2.4.1.4. Charge-transfer interaction第35-36页
        2.4.2. Unconventional LbL methods第36-38页
            2.4.2.1. Inclusion complexes第36页
            2.4.2.2. Coordination polyelectrolyte第36-37页
            2.4.2.3. Electrostatic complex formation第37-38页
            2.4.2.4. Methods for fabricating robust LbL multilayers第38页
        2.4.3. Noncovalent modification on CNTs第38-39页
        2.4.4. Layer-by-Layer on textiles第39-40页
    2.5. Summary第40-41页
3. MATERIALS AND METHODS第41-50页
    3.1. Materials第41页
    3.2. Experimental procedure第41-44页
        3.2.1. Preparation of solid substrates第41-42页
        3.2.2. LBL deposition on solid substrates第42页
        3.2.3. Preparation of cotton fabrics第42页
        3.2.4. Cationic treatment of cotton fabric with EP3MAC第42-43页
        3.2.5. LbL deposition on cotton fabrics第43-44页
    3.3. Methods第44-50页
        3.3.1. Zeta potential第44页
        3.3.2. Scanning Electron Microscopy第44-45页
        3.3.3. Transmission Electron Microscopy第45-46页
        3.3.4. UV-visible spectroscopy第46页
        3.3.5. Attenuated Total Reflectance Fourier Transform Infrared第46页
        3.3.6. Shielding effectiveness第46-47页
        3.3.7. Surface resistivity第47-48页
        3.3.8. Thermogravimetric Analysis第48-50页
4. RESULTS AND DISCUSSIONS第50-84页
    4.1. Study of the growth of system PSS/PAH polymer film by UV-vis第50-51页
    4.2. Preparation of CNT solutions for LbL assembly第51-59页
        4.2.1. Films with unmodified CNTs第51-52页
        4.2.2. CNTs modified by non-covalent bonds第52-57页
            4.2.2.1. Functionalization with polystyrene sulfonate第53-54页
            4.2.2.2. Functionalization with 1-pyrene sulfonic acid sodium salt第54-57页
        4.2.3. CNTs modified by covalent bonds第57-59页
    4.3. Preparation of MWNT-COOH solutions for the LbL deposition on cotton fabric第59-60页
    4.4. The cationic treatment with EP3MAC第60-62页
    4.5. LbL deposition with MWNT-COOH on cationized cotton fabric第62-84页
        4.5.1. Improvement of the LbL deposition第62-71页
        4.5.2. Characterization of the LbL with MWNT-COOH on cotton fabrics第71-84页
CONCLUSION第84-85页
REFERENCES第85-93页
APPENDIX第93-94页

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