Production, measurements and anticorrosion properties of electroactive polyimide/tin oxide nanocomposites

被引：8
|
作者：
Malav, Jeetendra Kumar [1 ]
Rathod, Ramesh [1 ]
Umare, Suresh [2 ]
Patil, Awanikumar [1 ]
Ghugal, Sachin [2 ]
机构：
[1] Visvesvaraya Natl Inst Technol, Dept Met & Mat Engn, Nagpur 440010, Maharashtra, India
[2] Visvesvaraya Natl Inst Technol, Dept Chem, Nagpur 440010, Maharashtra, India
来源：
MATERIALS RESEARCH EXPRESS | 2019年 / 6卷 / 06期
关键词：
electroactive polyimide; SnO2; nano-particles; thermal stability; anticorrosion; ANILINE-PENTAMER; MATRIX COMPOSITE; MAIN-CHAIN; OLIGOANILINE;
D O I：
10.1088/2053-1591/ab0925
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Tin oxide, SnO2 nanoparticles was synthesized by using ethylene glycol as solvent, urea as precipitant and tin metal solution. Electroactive polyimide, EPI/SnO2 nanocomposites with different weight percentages of SnO2 nanoparticles were produced by using insitu oxidative coupling polymerization of oligoaniline in presence of SnO2 nanoparticles followed by thermal imidization. The structural, morphological and thermal characterizations of all samples were performed by XRD, FTIR, SEM, TEM and TGA. The relative anticorrosive properties of coated EPI/SnO2 nanocomposites were investigated by means of potentiodynamic polarization method in NaCl (5%) solution. The thermal stability of EPI/SnO2 nanocomposite shows higher thermal stability compared to EPI this may be due to incorporation of SnO2 in the EPI matrix. EPI/SnO2 nanocomposites coated 316L stainless steel and cold rolled steel samples indicates better anticorrosion properties compared to bare steels and EPI coating.
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页数：11
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