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Novel polyurethane coating technology through glycidyl carbamate chemistry

  • Third Place 2004 Roon Award Competition Paper
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Abstract

Glycidyl carbamate chemistry combines the excellent properties of polyurethanes with the crosslinking chemistry of epoxy resins. Glycidyl carbamate functional oligomers were synthesized by the reaction of polyfunctional isocyanate oligomers and glycidol. The oligomers were formulated into coatings with several amine functional crosslinkers at varying stoichiometric ratios and cured at different temperatures. Properties such as solvent resistance, hardness, and impact resistance were dependent on the composition and cure conditions. Most coatings had an excellent combination of properties. Studies were carried out to determine the kinetics of the curing reaction of the glycidyl carbamate functional oligomers with multifunctional and model amines. Detailed kinetic analysis of the curing reactions was also undertaken. The results indicated that the glycidyl carbamate functional group is more reactive than a glycidyl ether group.

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Authors and Affiliations

  1. North Dakota State University, 1735 NDSU Research Park Dr., 58105, Fargo, ND

    Peter A. Edwards, Grant Striemer & Dean C. Webster

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  1. Peter A. Edwards
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  2. Grant Striemer
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  3. Dean C. Webster
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Edwards, P.A., Striemer, G. & Webster, D.C. Novel polyurethane coating technology through glycidyl carbamate chemistry. J Coat. Technol. Res. 2, 517–527 (2005). https://doi.org/10.1007/s11998-005-0011-0

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  • DOI: https://doi.org/10.1007/s11998-005-0011-0

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