Controlled fabrication and electrical-magnetic properties of Poly(OT-co-AN)/Ba_(0.8)La_(0.2)Al_2Fe_(10)O_(19) composites

查看全文 作　　者：CHEN KeYu XU QingQing LI LiangChao TONG GuoXiu QIAN HaiSheng XIAO QiuShi XU [1]Feng

机构地区：[1]Department of Chemistry, Institute of Physical Chemistry, Zhejiang Normal University, Jinhua 321004, China

出　　处：《Science China(Technological Sciences)》索引2012年第55卷第1期,共10页

基　　金：supported by the National Nature Science Foundation of China (Grant No.21071125);the Natural Science Foundation of Zhejiang Province (Grant Nos.Y4100022,Y4090636);the Science and Technology Key Project of Zhejiang Province (Grant No.2010C11053) 摘　　要：Poly(OT-co-AN)/Ba0.8La0.2Al2Fe10O19(Poly(OT-co-AN)/BLAF) composites were fabricated by in situ polymerization method.It was investigated that of mass rate of momomer(mOT/mAN),polymeration temperature and time,and feeding ratio of BLAF effect on the structures,morphology,conductivity,magnetic property of composites by the orthogonal optimum design.The results indicated that poly(OT-co-AN) copolymer had a better coating on BLAF particles,and there were some interactions between components in the composites.The magnetic properties of the composites were related to content of the magnetic BLAF particles in it.The feeding ratio of BLAF had a significant influence on constitute and conductivity of the composites,followed by the temperature.The reflection loss and the effective bandwidth of composites for electromagnetic wave were at-tributed to the synergistic effect between poly(OT-co-AN) and BLAF.The poly(OT-co-AN)/BLAF composites with mass ratio of BLAF to mix monomer(mOT/mAN =1:1) equal to 5/1 at 10 h in 25°C had a maximum synergistic effect between its compo-nents,showed a maximum reflection loss of ?26.94 dB at 14.10 GHz and an available bandwidth of 8.54 GHz.It was sug-gested that the composites can be used as a advancing absorption and shielding materials for electromagnetic wave due to their favorable microwave absorption properties. 关键词：poly (OT-co-AN ) 共聚物 Ba 铁酸盐电导率磁性思考损失

相关文献

参考文献（14）
引证文献（4）
耦合文献（29）

参考文献(14)

引证文献(4)

耦合文献(29)

互联网出版许可证新出网证(渝)字10号全国400电话 - 免长途话费

Controlled fabrication and electrical-magnetic properties of Poly(OT-co-AN)/Ba_(0.8)La_(0.2)Al_2Fe_(10)O_(19) composites

参考文献(14)

引证文献(4)

耦合文献(29)

用户提示