Nanoindentation Studies of Polyimide Thin Films with Various Internal Linkages in the Diamine Component

Choonkeun Lee; Jinuk Kwon; Sunggook Park; Saimani Sundar; Byoungryul Min; Haksoo Han

doi:10.1002/polb.10775

Nanoindentation Studies of Polyimide Thin Films with Various Internal Linkages in the Diamine Component

Choonkeun Lee, Jinuk Kwon, Sunggook Park, Saimani Sundar, Byoungryul Min, Haksoo Han

Department of Chemical and Biomolecular Engineering

Research output: Contribution to journal › Article

14 Citations (Scopus)

Abstract

The nanoindentation behavior of 3,3′,4,4′-biphenyltetracarboxylic acid dianhydride (BPDA)-based polyimide thin films was investigated. The crystallinity, chains, and the packing order were characterized with a prism coupler and wide angle x-ray diffraction (WAXD). The hardness of the thin films were also calculated from the curves of the nanoindentation load versus the displacement. The nanoindentation and birefringence results revealed that the mechanical properties of the films depended on the crystallinity, which was due to the chain order along the chain axis and the molecular packing order.

Original language	English
Pages (from-to)	861-870
Number of pages	10
Journal	Journal of Polymer Science, Part B: Polymer Physics
Volume	42
Issue number	5
DOIs	https://doi.org/10.1002/polb.10775
Publication status	Published - 2004 Mar 1

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All Science Journal Classification (ASJC) codes

Condensed Matter Physics
Physical and Theoretical Chemistry
Polymers and Plastics
Materials Chemistry

Cite this

Lee, C., Kwon, J., Park, S., Sundar, S., Min, B., & Han, H. (2004). Nanoindentation Studies of Polyimide Thin Films with Various Internal Linkages in the Diamine Component. Journal of Polymer Science, Part B: Polymer Physics, 42(5), 861-870. https://doi.org/10.1002/polb.10775

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10.1002/polb.10775