Synthesis of amphiphilic, Janus diblock hyperbranched copolyamides and their self-assembly in water

被引：6
|
作者：
Ohta, Yoshihiro [1 ]
Abe, Yuji [1 ]
Hoka, Kenta [1 ]
Baba, Eisuke [1 ]
Lee, Yu-Ping [2 ]
Dai, Chi-An [2 ]
Yokozawa, Tsutomu [1 ]
机构：
[1] Kanagawa Univ, Dept Mat & Life Chem, Kanagawa Ku, Yokohama, Kanagawa 2218686, Japan
[2] Natl Taiwan Univ, Dept Chem Engn, Taipei 10617, Taiwan
来源：
POLYMER CHEMISTRY | 2019年 / 10卷 / 31期
关键词：
GROWTH CONDENSATION POLYMERIZATION; BLOCK-COPOLYMERS; DENDRIMERS; POLYMERS; POLYAMIDES; NANOMEDICINE; VESICLES; GLYCOL; SIZE;
D O I：
10.1039/c8py01419a
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
An amphiphilic, Janus diblock hyperbranched copolyamide was synthesized by the condensation of hydroxyl and carboxyl groups at the focal point of hydrophilic and hydrophobic hyperbranched polyamides, respectively, in the presence of a condensation agent. The structure of the self-assembled Janus diblock hyperbranched copolyamide in water at 25 degrees C, observed by using a transmission electron microscope, consisted of spherical aggregates. As the temperature of the solution was increased, the morphology changed to cylindrical-like aggregates at 50 degrees C and to dendritic-like aggregates at 70 degrees C.
引用
收藏
页码：4246 / 4251
页数：6
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