Process of preparing compositions having multiple oriented...

Details Process of preparing compositions having multiple oriented... Process of preparing compositions having multiple oriented...

C - Chemistry, Metallurgy

09

K

31/104, 345/59

C09K 19/38 (2006.01) C07C 255/54 (2006.01) C07C 255/55 (2006.01) C09K 19/10 (2006.01) C09K 19/12 (2006.01) C09K 19/14 (2006.01) C09K 19/20 (2006.01) G02F 1/133 (2006.01) G02F 1/1337 (2006.01)

Patent

CA 2036700

The invention is a process for preparing a polymeric liquid crystal composition, e.g., a film or fiber, comprising aligning a nematic or smectic monomeric mesophase (liquid crystal monomer) and photopolymerizing the mesophase, characterized in that the mesophase is aligned in a multi-oriented state prior to photopolymerizing the mesophase. Preferably, alignment is a two or more step process wherein the first step comprises aligning the mesophase in a homeotropic or homogeneous alignment using conventional techniques or linearly polarized light (described below), and the second and subsequent steps comprise aligning a portion of the mesophase using linearly polarized light.

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