The modified hyperbranched polyester with end in g acryloyl-group,carboxy group and photosensitive group was synthesized through the way of chemical modification.

• 本文通过化学改性方法,在超支化聚酯终端接枝丙烯酰基和羧基以及光敏基团,得到含有光敏基团的光固化水性超支化聚酯。