Polyurethane adhesives containing Diels–Alder-based thermoreversible bonds
article
: A facile two-step process is developed to obtain polyester urethanes that contain various concentrations of thermoreversible Diels–Alder adduct–based bonds for the development of adhesives. Besides linear systems thermoreversible networks have been included in the study. The reactions are verified using IR-spectroscopy and gel permeation chromatography analysis. The material properties are characterized with solvent exposure tests, dynamic scanning calorimetry, microindentation and rheology and the potential for application as adhesives is tested with an elcometer. Material properties have been found highly tunable for the system, and high adhesive strengths (off-scale) are found for polyester urethanes that are doped with an intermediate level Diels–Alder functional groups.
TNO Identifier
954849
ISSN
00218995
Source
Journal of Applied Polymer Science, 134(26)
Publisher
John Wiley and Sons Inc.
Article nr.
44972
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