951768-66-4

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Relevant academic research and scientific papers

Liquid crystal compositions, polymer networks derived therefrom and process for making the same

The invention relates to compounds of Formula (I): The invention further relates to liquid crystal compositions comprising compounds of Formula (I); compositions further comprising one or more chiral compounds; and polymer networks derived from the polymerization of the liquid crystal compositions. Another embodiment relates to processes for providing compounds of Formula (I).

CHIRAL COMPOUNDS, AND LIQUID CRYSTAL COMPOSITIONS AND POLYMER NETWORKS DERIVED THEREFROM

The invention relates to compounds of formula (I): insert Formula (I) here wherein R1and R2are each independently selected from the group: H, F, Cl and CH3; n1 and n2 are each independently integers 3 to 20; q and r are each independently integers 0, 1 or 2, with the proviso that q + r is ≥ 1; D is a divalent chiral radical selected from the group: (D1-D4) wherein R3 is a C1 to C6 straight or branched chain alkyl group; and each B1and B2 is a divalent radical independently selected from the group: R4-substituted-1,4-phenyl, wherein R4 is H,-CH3 or -OCH3, 2,6-naphthyl; and 4,4'-biphenyl; with the provisos that when q + r = 3, at least one of B1 and B2 is R4-substituted-1,4-phenyl; and when q + r = 4, at least two of B1 and B2 are R4-substituted-1,4-phenyl. The invention further relates to liquid crystal compositions comprising compounds of formula (I) and polymer networks derived from the polymerization of the liquid crystal compositions.