Polyimide-silver nanocomposite containing phosphine oxide moieties in the main chain:Synthesis and properties

查看全文 作　　者：Khalil [1]Faghihi;Mohsen [1]Hajibeygi;Meisam [1]Shabanian

机构地区：[1]Organic Polymer Research Laboratory,Department of Chemistry,Faculty of Science,Arak University

出　　处：《Chinese Chemical Letters》索引2010年第21卷第11期,共4页

摘　　要：New flame-retardant polyimide-silver nanocomposite containing phosphine oxide moiety in the main chain was synthesized by a convenient ultraviolet irradiation technique.A precursor such as AgNO_3 was used as the source of the silver particles.Polyimide 6 as a source of polymer was synthesized by polycondensation reaction of bis(3-aminophenyl) phenyl phosphine oxide 4 with pyromellitic anhydride 5 in the presence of iso-quinoline as base and in m-cresol solution.The resulting composite film was characterized by FTIR spectroscopy,X-ray diffraction(XRD),transmission electron microscopy(TEM),thermogravimetry(TGA) and differential scanning calorimetry(DSC).The average size of the nanometer Ag particles is about 10 nm.The temperature of 5 and 10%weight loss and also the char yield at 600℃of polyimide-silver nanocomposite 6a were higher than the pure PI 6. 关键词：银复合材料聚酰亚胺氧化膦合成主链透射电子显微镜差示扫描量热法性能

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Polyimide-silver nanocomposite containing phosphine oxide moieties in the main chain:Synthesis and properties

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