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聚苯乙烯-聚（甲基丙烯酸甲酯）银纳米复合材料：微波辐射对热性能和电性能的显著改性

Polystyrene-Poly(methyl methacrylate) Silver Nanocomposites: Significant Modification of the Thermal and Electrical Properties by Microwave Irradiation.

作者信息

Alsharaeh Edreese H

机构信息

College of Science and General Studies, Alfaisal University, P.O. Box 50927, Riyadh 11533, Saudi Arabia.

出版信息

Materials (Basel). 2016 Jun 13;9(6):458. doi: 10.3390/ma9060458.

DOI:10.3390/ma9060458
PMID:28773585
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC5456822/
Abstract

This work compares the preparation of nanocomposites of polystyrene (PS), poly(methyl methacrylate) (PMMA), and PSMMA co-polymer containing silver nanoparticles (AgNPs) using bulk polymerization with and without microwave irradiation (MWI). The AgNPs prepared were embedded within the polymer matrix. A modification in the thermal stability of the PS/Ag, PMMA/Ag, and PSMMA/Ag nanocomposites using MWI and was observed compared with that of neat PSMMA, PS, and PMMA. In particular, PS/Ag, and PSMMA/Ag nanocomposites used showed better thermal stability than MWI, while PMMA/Ag nanocomposites showed improved thermal stability. The electrical conductivity of the PS/Ag, PMMA/Ag, and PSMMA/Ag composites prepared by MWI revealed a percolation behavior when 20% AgNPs were used as a filler, and the conductivity of the nanocomposites increased to 103 S/cm, 33 S/cm, and 40 mS/cm, respectively. This enhancement might be due to the good dispersion of the AgNPs within the polymer matrix, which increased the interfacial interaction between the polymer and AgNPs. The polymer/Ag nanocomposites developed with tunable thermal and electrical properties could be used as conductive materials for electronic device applications.

摘要

本工作比较了采用本体聚合方法，在有和没有微波辐照（MWI）的情况下，制备含有银纳米颗粒（AgNPs）的聚苯乙烯（PS）、聚甲基丙烯酸甲酯（PMMA）和PSMMA共聚物的纳米复合材料。制备的AgNPs嵌入在聚合物基体中。与纯PSMMA、PS和PMMA相比，观察到使用MWI对PS/Ag、PMMA/Ag和PSMMA/Ag纳米复合材料的热稳定性有改性作用。特别地，使用的PS/Ag和PSMMA/Ag纳米复合材料显示出比MWI更好的热稳定性，而PMMA/Ag纳米复合材料显示出热稳定性提高。通过MWI制备的PS/Ag、PMMA/Ag和PSMMA/Ag复合材料的电导率在使用20%AgNPs作为填料时呈现出渗流行为，并且纳米复合材料的电导率分别增加到103 S/cm、33 S/cm和40 mS/cm。这种增强可能归因于AgNPs在聚合物基体中的良好分散，这增加了聚合物与AgNPs之间的界面相互作用。开发的具有可调热性能和电性能的聚合物/Ag纳米复合材料可用作电子器件应用的导电材料。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b7b8/5456822/4c30f3e675f3/materials-09-00458-g010a.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b7b8/5456822/74951c0324ea/materials-09-00458-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b7b8/5456822/1d34ec9a4139/materials-09-00458-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b7b8/5456822/fe7146c96ab0/materials-09-00458-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b7b8/5456822/21729c8b8d1f/materials-09-00458-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b7b8/5456822/17fdf2634a52/materials-09-00458-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b7b8/5456822/fe3c1e474cfd/materials-09-00458-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b7b8/5456822/40cf1b58fb88/materials-09-00458-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b7b8/5456822/9753f99c1629/materials-09-00458-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b7b8/5456822/1dd02a4aecd7/materials-09-00458-g009a.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b7b8/5456822/4c30f3e675f3/materials-09-00458-g010a.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b7b8/5456822/74951c0324ea/materials-09-00458-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b7b8/5456822/1d34ec9a4139/materials-09-00458-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b7b8/5456822/fe7146c96ab0/materials-09-00458-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b7b8/5456822/21729c8b8d1f/materials-09-00458-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b7b8/5456822/17fdf2634a52/materials-09-00458-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b7b8/5456822/fe3c1e474cfd/materials-09-00458-g006.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b7b8/5456822/40cf1b58fb88/materials-09-00458-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b7b8/5456822/9753f99c1629/materials-09-00458-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b7b8/5456822/1dd02a4aecd7/materials-09-00458-g009a.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b7b8/5456822/4c30f3e675f3/materials-09-00458-g010a.jpg

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