請用此 Handle URI 來引用此文件: http://hdl.handle.net/11455/43225
標題: Novel side-chain dendritic polyurethanes based on hydrogen bonding rich polyurea/malonamide dendrons
作者: Dai, S.A.
吳宗明
Chen, C.P.
Lin, C.C.
Chang, C.C.
Wu, T.M.
Su, W.C.
Chang, H.L.
Jeng, R.J.
鄭如忠
戴憲弘
關鍵字: dendrimers
hydrogen bonding
phase separation
polyamides
polyurethanes
block-copolymers
dendrimers
polymers
temperature
poly(urethane-urea)s
macromolecules
assemblies
期刊/報告no:: Macromolecular Materials and Engineering, Volume 291, Issue 4, Page(s) 395-404.
摘要: Hydrogen bonding rich polyurea/malonamide dendrons have been utilized as building blocks for the synthesis of novel SCDPUs. The resulting microstructure of soft-rich domains reinforced by these side chain rigid dendritic domains via strong hydrogen bonding interactions was explored for these segmented polyurethanes. DSC and FT-IR results indicate that certain degrees of phase separation are present between rigid dendritic Structures and soft PTMO domains. The phase separation structures are in the order of 100 nm based on the results of AFM and SAXS. The tensile measurements show that the incorporation of dendritic side chain structures as the hard segments can enhance the mechanical properties of these fabricated polymers.
URI: http://hdl.handle.net/11455/43225
ISSN: 1438-7492
文章連結: http://dx.doi.org/10.1002/mame.200500367
顯示於類別:材料科學與工程學系

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