Journal
POLYMER COMPOSITES
Volume 37, Issue 7, Pages 2243-2251Publisher
WILEY
DOI: 10.1002/pc.23402
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Funding
- Central Universities of Central South University [2012zzts075]
- Foundation Hunan Provincial Natural Science Foundation of China [13JJA004]
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In this work, sericite mica was initially modified with a multi-step procedure and the novel composites of polyimide (PI) with the organophilic sericite mica were subsequently synthesized via in situ polymerization technique. XRD patterns revealed d(002)-spacing of clay was expanded from 0.99 to 2.77 nm. TEM photographs indicated majority of the organoclay exhibited an exfoliated morphology structure in composites with 5 wt% filler loading. Several critical properties of composites such as thermal stability, mechanical property, and storage modulus were tremendously enhanced with the increasing organoclay loading. Especially, the glass transition temperature of composites with 7 wt% organoclay addition revealed a 72 degrees C increment compared with pristine PI, indicating greater improvement than the reported literature values. POLYM. COMPOS., 37:2243-2251, 2016. (c) 2015 Society of Plastics Engineers
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