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Novel epoxide-terminated hyperbranched polyurethanes (EHPU) with different epoxy values were prepared through functionalization of hyperbranched polyurethane with glycidol. Fourier transformed infrared (FTIR) and nuclear magnetic resonance analyses were conducted and confirmed the successfully synthesis of EHPU. Differential scanning calorimetry measurements were carried out for thermal and kinetic...
In the study, we investigated the influence of degree of branching (DB) of isocyanate-functionalized hyperbranched polyurethanes (HPU –NCOX ) on the cure and thermal property of phenol-terminated benzoxazine oligomer (BZ –OH ). The structure of the as-synthesized HPU –NCOX was confirmed by proton nuclear magnetic resonance ( 1 H NMR and ...
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