| abstract |
Provided are novel thiophene-containing polynitrone compounds having the following structural formula (II), and holographic data storage media and articles. [Solution] (Wherein R 1 is each independently a C 1 to C 20 aliphatic group, a C 3 to C 20 alicyclic group or a C 2 to C 30 aromatic group, and R 2 is independently hydrogen or deuterium) C 1 to C 20 aliphatic group, C 3 to C 20 alicyclic group or C 2 to C 30 aromatic group, and “a” is an integer of 2 to 4.) [Selection figure] None |