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Abstract
Hydrogen bonding has been extensively used to create the mesogenic core of calamitic liquid crystals. While the field of polymeric hydrogen-bonded liquid crystals has been extensively studied, most of the research has been devoted to side chain hydrogen-bonded polymeric liquid crystals with far less effort devoted to the study of main chain hydrogen-bonded liquid crystals despite the variety of liquid crystalline (LC) phases they possess. In this review, centrosymmetric and noncentrosymmetric main chain hydrogen-bonded polymers are discussed with an emphasis on the structure/property relationships and the variety of LC phases observed in the resulting polymers.