Abstract
A series of monofunctional benzoxazine monomers with terminal unsaturated alkyl chains was synthesized from fatty acid-derived renewable compounds: 10-undecenoic acid, 4-pentenoic acid and 10-undecen-1-ol. The monofunctional monomers were dimerized by self-metathesis under mild conditions. Different metathesis catalysts and conditions were tested to obtain the desired dimers in good yields and purity that were characterized by 1H, 13C NMR and ESI-TOF. The structure, properties affecting processing ability and thermal polymerization behavior of the resulting α,ω-bis-benzoxazines were studied. The properties of the obtained flexible materials were evaluated by DSC, TGA, DMTA and contact angle measurements.
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