期刊
KOREAN JOURNAL OF CHEMICAL ENGINEERING
卷 34, 期 2, 页码 470-475出版社
KOREAN INSTITUTE CHEMICAL ENGINEERS
DOI: 10.1007/s11814-016-0296-y
关键词
Cage Silsesquioxane; Polypyrrole; Thermal Stability; Electrochemical Activity; Microwave-absorbing Ability
资金
- Jiangsu Province Science Foundation for Youths [BK20140158]
- National Basic Research Program [21401079, 21501069]
- Research Fund for the Doctoral Program of Higher Education [20130093120003]
- Fundamental Research Funds for the Central Universities [JUSRP51626B]
Cage silsesquioxane with carboxyl groups (POSS-COOH) was successfully synthesized, after which it was added to polypyrrole (PPy) as a dopant to produce the doped PPy (PPy/POSS-COOH) solution. The PPy/POSS-COOH composites were characterized by FTIR (Fourier transformation infrared spectroscopy), SEM (Scanning electron microscopy), TGA (Thermo-gravimetric analysis), CV (Cyclic voltammetry) and RL (Reflection loss). Compared to PPy without POSS-COOH (un-PPy), the conductivity of PPy/POSS-COOH composites could be improved dramatically, reaching up to 0.850 S/cm at 25 A degrees C. Under N-2 atmosphere, the residual rate of PPy/POSS-COOH was 68% at 700 A degrees C, 14% higher than the one of un-PPy. Meanwhile, PPy/POSS-COOH had a reflection loss below -8 dB over 9.35 to 11.20GHz, with a minimum value of -10.32 dB at 10.54 GHz, thus demonstrating higher microwave absorption than un-PPy. This method may provide a facile route to produce doped conducting polymers with POSS-COOH.
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