Multifunctional Polyimide Nanocomposites Using Chemically Functionalized Graphene Nanosheets

Title
Multifunctional Polyimide Nanocomposites Using Chemically Functionalized Graphene Nanosheets
Authors
유남호
Keywords
polyimide; graphene; composite
Issue Date
2014-04
Publisher
한국화학공학회 춘계학술대회
Abstract
Aromatic polyimides (PIs) are one of the most important classes of advanced materials which possess various outstanding properties such as high thermal stability, chemical resistance, good mechanical and electric properties. Therefore, much attention has been devoted to aerospace, microelectronics, and optical device applications of PIs. Chemically functionalized graphene (CFG) have great potential for improving the properties of polymers because of their extremely high electrical and mechanical properties. However, typical composite processing such as solution casting and blending with high content of graphene has not been successful to achieve high mechanical and electrical properties flexible due to the low dispersibility in polymer matrix. We will report an effective approach to prepare chemically functionalized graphene CFG/PI composite films by in-situ polymerization with CFG content. CFG provide high electrical conductivity for the in situ fabrication of composite films by grafting amic-acid(PAA) at the reactive site of CFG. The mechanical and electrical properties will be discussed.
URI
http://pubs.kist.re.kr/handle/201004/47511
Appears in Collections:
KIST Publication > Conference Paper
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