Transcription of Segmental dynamics of polyurea: Effect of stoichiometry
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Segmental dynamics of polyurea: Effect of stoichiometryD. Fragiadakisa, R. Gamacheb, Bogoslovova, Rolanda,*aNaval Research Laboratory, Code 6120, Washington DC 20375-5342, United StatesbNaval Surface Warfare Center, Research and Technology Dept., Indian Head, MD 20640-5035, United Statesarticle infoArticle history:Received 26 August 2009 Received in revised form9 November 2009 Accepted 13 November 2009 Available online 18 November 2009 Keywords:PolyureaBallistic coatingsSegmental dynamicsabstractWe study the Effect of variations in the soft/hard segment ratio, achieved through stoichiometry changes,in elastomeric polyurea. These variations have a marked Effect on the mechanical properties; however,the materials exhibit very similar glass transitions and local Segmental relaxation dynamics .
Segmental dynamics of polyurea: Effect of stoichiometry D. Fragiadakisa, R. Gamacheb, R.B. Bogoslovova, C.M. Rolanda,* aNaval Research Laboratory, Code 6120, Washington DC 20375-5342, United States b Naval Surface Warfare Center, Research and Technology Dept., Indian Head, MD 20640-5035, United States article info Article history: Received 26 August 2009 ...
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