Abstract
The invention pertains to an isosorbide derivative having at least one polymerizable group, characterized in that the isosorbide derivative further comprises at least one photo-convertible group for adjusting the helical twisting power of the isosorbide derivative. According to a preferred embodiment the isosorbide has the formula wherein A stands for a bond or a p-phenylene group; B and B' are independently O>X o2o32<or a C=O group; Q and Q' are independently selected from H, C1-C3 alkyl, C1-C3 alkoxy, halogen, and CN;n is an integer from 1 to 3; and m is an integer from 0 to 2.
| Original language | English |
|---|---|
| Patent number | WO03027119 |
| IPC | C09K 19/ 58 A I |
| Priority date | 24/09/01 |
| Publication status | Published - 3 Apr 2003 |
| Externally published | Yes |
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