公开(公告)号：US20040054127A1

公开(公告)日：2004-03-18

申请号：US10661554

申请日：2003-09-15

Applicant: KAWAMURA INSTITUTE OF CHEMICAL RESEARCH

Inventor： Ren-Hua Jin

IPC: C08G073/00

CPC classification number: C08G73/0206 ,  C08G73/0233

Abstract: A water-soluble block copolymer having a mass average molecular weight of 2500 to 800000 and comprising, within a molecule, a poly(ethylene imine) block unit and a poly(N-propionylethylene imine) block unit is a novel linear or star-shaped water-soluble block copolymer.

Abstract translation: 一种质量平均分子量为2500〜800000，在分子内包含聚（亚乙基亚胺）嵌段单元和聚（N-丙酰亚胺亚胺）嵌段单元的水溶性嵌段共聚物是新型的线性或星形 水溶性嵌段共聚物。