Self-assembly Promoted Crystallization of Diblock Copolypeptoids in Solution†

被引：5

作者：

Li, Rongye ^{[2
]}

Zhao, Yue ^{[2
]}

Lin, Min ^{[1
]}

Sun, Jing ^{[1
]}

机构：

[1] Jilin Univ, Coll Chem, State Key Lab Supramol Struct & Mat, Changchun 130012, Jilin, Peoples R China

[2] Qingdao Univ Sci & Technol, Sch Polymer Sci & Engn, Shandong Prov Educ Dept, Key Lab Biobased Polymer Mat, Qingdao 266042, Shandong, Peoples R China

来源：

CHINESE JOURNAL OF CHEMISTRY | 2023年 / 41卷 / 18期

基金：

中国国家自然科学基金;

关键词：

Copolymers; Self-assembly; Crystallization; Ring-opening polymerization; Microphase separation; Polypeptoids; POLYPEPTOID BLOCK-COPOLYMERS; MICROPHASE SEPARATION; CYLINDRICAL MICELLES; MORPHOLOGY; CORE;

D O I：

10.1002/cjoc.202300173

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Great efforts have been lately devoted to fabricating well-defined nanostructures using crystallization-driven self-assembly (CDSA) strategy. The influence of self-assembly on crystallization is also of great interest. Here, a series of amphiphilic diblock copolypeptoids poly(N-allylglycine)-b-poly(N-octylglycine) modified with cysteamine hydrochloride ((PNAG-g-NH2)-b-PNOG) were synthesized by ring-opening polymerization (ROP) and post-polymerization functionalization. The diblock copolypeptoid is comprised of one hydrophobic crystalline PNOG block and one hydrophilic amorphous block, which can aggregate into nanostructured assemblies with soluble PNAG-g-NH2 as the corona layer and PNOG as the inner core in aqueous solution. With a systematic study by differential scanning calorimetry (DSC) and wide-angle X-ray scattering (WAXS), we demonstrated that the self-assembly of the block copolymers strengthens the crystallization of the PNOG block.

引用

页码：2305 / 2310

页数：6

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