SYNTHESIS AND CHARACTERIZATION OF NEWLY DESIGNED POLY[DI(ALKYL) VINYLTEREPHTHALATE]S

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A series of newly designed monomers of 2-vinylterephthalates (VT) were synthesized. The monomers contain one phenylene group connected with two alkyl groups (carbon number varying from 1 to 6) via ester linkage. Their chemical structures were confirmed by mass spectroscopy (MS), 1H-NMR, and elemental analysis (EA). The corresponding polymers,poly[di(alkyl) vinylterephthalate]s (PDAVTs), were obtained using conventional free radical polymerization. The polymers were found to be able to develop into liquid crystalline phase when the size of the alkyl group in the side-chain increases to be larger than the ethyl group.
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