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Stretch-orientation of LaRC^TM RP50 Polyimide Film

Department of Aerospace Engineering and Engineering Mechanics, University of Texas at Austin, Austin, Texas, 78712, USA

Jeffrey A. Hinkley

NASA Langley Research Center, Hampton, Virginia 23681, USA, Jeffrey.A.Hinkley{at}nasa.gov

Ruth H. Pater

NASA Langley Research Center, Hampton, Virginia 23681, USA

Joanne Moore

Department of Chemistry, University of Virginia, Charlottesville, Virginia 22903, USA

An addition-curable poly(amic acid) film was subjected to various thermal pretreatments and then to uniaxial or biaxial drawing. Hot-stretching to 300% of the initial length produced better than twofold increases in tensile modulus and strength of partially-cured films. Most of the improvement was maintained upon completion of the curing at constant length.

Key Words: Orientation • thermosetting • polyimide • addition polyimide • biaxial • film

This version was published on August 1, 2006

High Performance Polymers, Vol. 18, No. 4, 469-478 (2006)
DOI: 10.1177/0954008306066334


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