Prepolymeric polyols containing mesogenic units

Details Prepolymeric polyols containing mesogenic units Prepolymeric polyols containing mesogenic units

C - Chemistry, Metallurgy

07

C

C07C 69/76 (2006.01) C07C 245/08 (2006.01) C07C 251/24 (2006.01) C07F 7/08 (2006.01) C08G 63/672 (2006.01) C08G 63/676 (2006.01) C08G 63/685 (2006.01) C09K 19/04 (2006.01) C09K 19/16 (2006.01) C09K 19/38 (2006.01)

Patent

CA 2073898

Mo3650 MD-91-8-PR PREPOLYMERIC POLYOLS CONTAINING MESOGENIC UNITS ABSTRACT OF THE DISCLOSURE Prepolymer polyols containing mesogenic moieties useful as reactants for the preparation of resinous materials are disclosed. Synthesized by condensing a polyether polyol with bifunctional mesogenic diacids, or diesters, the compounds of the invention are characterized by their reasonably low melt temperature which renders them suitable as additive materials in polymeric molding compositions and as precursors for the preparation of resinous materials. The liquid crystalline properties of the prepolymers of the invention were found to depend on the type and molecular weight of the glycols and on the molar ratio between the glycols and the mesogenic reactant. Mo3650

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