The pullulan aminoalkyl ether according to claim1, wherein the pullulan aminoalkyl ether is in its free amine form or its organic or inorganic acid salt form.
根据权利要求1中的普鲁兰氨基烃基醚，它应为自由胺形式或有机、无机盐形式。
2
The organic or inorganic acid salts of pullulan aminoalkyl ether can be prepared by reacting pullulan aminoalkyl ether obtained as above with acids in a conventional manner.