Paper Title:
Study on Morphology and Mechanical Properties of Polyaspartic Esters Based Polyureas
  Abstract

The morphology, shock absorption and dynamic mechanical properties of a new architectured multifunctional materials- polyaspartic esters (PAE) based ployureas were investigated through FTIR, atomic force microscope(AFM), drop-weight test and dynamic mechanical analysis(DMA). The PAE based polyureas were prepared from synthesized PAE and hexamethylene diisocyanate(HDI)trimer /polytetramethylene ether glycol (PTMG) prepolymer. The FTIR results indicated that hydrogen-bonded urea carbonyl of PAE based polyurea was 76.1%, and the length of hydrogen bonding was 0.306nm. The microphase separation phenomenon of the PAE based polyureas were observed directly through AFM topography studies. PAE based polyureas exhibited unique shock absorption and dynamic mechanical properties.

  Info
Periodical
Advanced Materials Research (Volumes 197-198)
Edited by
Huaiying Zhou, Tianlong Gu, Daoguo Yang, Zhengyi Jiang, Jianmin Zeng
Pages
1289-1293
DOI
10.4028/www.scientific.net/AMR.197-198.1289
Citation
W. B. Huang, P. Lu, J. Zhang, X. M. Li, "Study on Morphology and Mechanical Properties of Polyaspartic Esters Based Polyureas", Advanced Materials Research, Vols. 197-198, pp. 1289-1293, 2011
Online since
February 2011
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Price
$32.00
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