Synthesis, Self-Assembly, and Properties of Homoarm and Heteroarm Star-Shaped Inorganic-Organic Hybrid Polymers with a POSS Core

被引：19
|
作者：
Yuan, Weizhong [1 ,2 ]
Liu, Xu [1 ]
Zou, Hui [1 ]
Li, Jianbo [1 ]
Yuan, Hua [1 ]
Ren, Jie [1 ,2 ]
机构：
[1] Tongji Univ, Sch Mat Sci & Engn, Inst Nano & Biopolymer Mat, Shanghai 201804, Peoples R China
[2] Minist Educ, Key Lab Adv Civil Mat, Shanghai 201804, Peoples R China
来源：
MACROMOLECULAR CHEMISTRY AND PHYSICS | 2013年 / 214卷 / 14期
基金：
中国国家自然科学基金;
关键词：
micelles; polyhedral oligomeric silsesquioxane (POSS); self-assembly; star-shaped hybrid polymers; thermal properties; POLYHEDRAL OLIGOMERIC SILSESQUIOXANE; GROUP-TRANSFER POLYMERIZATION; RING-OPENING POLYMERIZATION; STANNOUS OCTOATE CATALYST; CONTROLLED DRUG-RELEASE; ALT-GLYCOLIC ACID); CLICK-CHEMISTRY; RADICAL POLYMERIZATION; DIBLOCK COPOLYMERS; FACILE SYNTHESIS;
D O I：
10.1002/macp.201300201
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Novel homoarm and heteroarm star-shaped inorganic-organic hybrid polymers with a polyhedral oligomeric silsesquioxane (POSS) core are prepared via click chemistry of azide POSS [POSS-(N-3)(8)], alkynyl poly(L-lactide) (PLLA), and alkynyl poly(ethylene oxide) (PEO). The melting and crystallization behaviors of the polymers can be adjusted by altering the PLLA to PEO ratio. The hybrid polymers reveal unique crystalline morphology due to the influence of the star-shaped structure and the mutual influence of PLLA and PEO. The hybrid polymers show different thermostabilities, owing to the different compositions of the polymers. The hydrophilicity can be adjusted by alternating the composition of the PLLA and PEO segments. In addition, the sizes of the polymer micelles change with the change of the ratio of PLLA and PEO arms in the hybrid polymers.
引用
收藏
页码：1580 / 1589
页数：10
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