Journal
POLYMER BULLETIN
Volume 70, Issue 8, Pages 2319-2335Publisher
SPRINGER
DOI: 10.1007/s00289-013-0954-8
Keywords
Diels-Alder reaction; Kinetics; Polyurethane; Furfuryl alcohol; Bismaleimide
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Funding
- Huntsman Polyurethanes (China) Ltd.
- Shanghai Leading Academic Discipline Project [B202]
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Linear polyurethane was synthesized by Diels-Alder (DA) reaction between a polyurethane prepolymer end-capped with furan rings (MPF) and bismaleimide (BMI). The polymerization kinetics were studied following a preliminary kinetic study of the DA reaction between furfuryl alcohol (FA) and BMI compounds by attenuated total reflection infrared, ultraviolet-visible and in situ H-1 NMR spectroscopies, where in situ H-1 NMR spectroscopy was selected as the analytical method of choice to study the DA reaction between MPF and BMI. The results showed that the reaction followed second-order kinetics, and the most beneficial experimental conditions to maximize conversion were identified.
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