| abstract |
A branched chitosan derivative, a method for producing the same, and a use thereof are provided. Formula (I): [Wherein, x + y + z = 1, and x, y, z are independently 0 ≦ x <1, 0 ≦ y <1, 0 <z ≦ 1, and R 1 is represented by formula (II): R 2 is H, an acetyl group, or R 1 , and a is an integer of 0 to 500, provided that all R 2 may be the same or different. [Selection figure] None |