| 摘要 |
PURPOSE: To obtain the subject polymer having charge transport properties, and useful in uses associated with antistaticity, as a photosensitive sensor, or the like, by including a specific main chain having an aromatic amino group, or the like, and bringing the weight-average molecular weight to a specific value or lower. CONSTITUTION: This polymer is obtained by including a main chain of formula I £A is a bivalent organic group of formula II, III, or the like; R3 and R4 are each a (substituted) bivalent hydrocarbon, R5 is a (substituted) monovalent hydrocarbon, R6 is a (substituted) trivalent hydrocarbon, and at least one of the Rs is a group having an aromatic hydrocarbon ring and also there exists a total of >= 3 aromatic 6 membered-rings in the group A; B is a 2-6C alkylene; R1 is a (halogen-substituted) 1-10C monovalent hydrocarbon with no aliphatic unsaturated bond; R2 is an (alkoxy-substituted) 2-10C bivalent hydrocarbon or the like; (x)is >= 1; (y) and (z) are each >= 0 and (y+z) is >= 2| and bringing the weight-average molecular weight to <= 1,000,000. The polymer is, for instance, a polymer of formula IV (Me is methyl).
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