Study on Morphology and Mechanical Properties of Polyaspartic Esters Based Polyureas

Wei Bo Huang; Ping Lu; Jing Zhang; Xin Mao Li

doi:10.4028/www.scientific.net/AMR.197-198.1289

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 197-198Study on Morphology and Mechanical Properties of...

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.

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Periodical:

Advanced Materials Research (Volumes 197-198)

Pages:

1289-1293

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.197-198.1289

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Online since:

February 2011

Authors:

Wei Bo Huang, Ping Lu, Jing Zhang, Xin Mao Li

Keywords:

Architecture Multifunctional Material, Atom Force Microscopy, Dynamic Mechanical Property, Morpholoy, Polyaspartic Ester Based Polyurea, Shock Absorption, Structure

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