INCLUSION COMPLEX FORMATION BETWEEN α-CYCLODEXTRIN AND BIODEGRADABLE COMBLIKE COPOLYMERS WITH POLY(α,β-MALIC ACID) BACKBONES AND mPEG SIDE CHAINS

被引：2
|
作者：
Zeng, Jing [1 ]
Li, Yuan [1 ]
Li, Jia-jing [2 ]
Wang, Rui [3 ]
He, Bin [1 ]
Nie, Yu [1 ]
Luo, Xiang-lin [3 ]
Zhang, Zhi-rong [4 ]
Gu, Zhong-wei [1 ]
机构：
[1] Sichuan Univ, Natl Engn Res Ctr Biomat, Chengdu 610064, Peoples R China
[2] Sichuan Univ, Sch Chem Engn, Chengdu 610064, Peoples R China
[3] Sichuan Univ, Sch Polymer Sci & Engn, Chengdu 610064, Peoples R China
[4] Sichuan Univ, W China Sch Pharm, Chengdu 610064, Peoples R China
来源：
CHINESE JOURNAL OF POLYMER SCIENCE | 2009年 / 27卷 / 05期
基金：
中国国家自然科学基金;
关键词：
Inclusion complexes; alpha-Cyclodextrins; Comblike copolymer; POLY(ETHYLENE GLYCOL); COMPOUND FORMATION; MOLECULAR THREADS; POLY(EPSILON-CAPROLACTONE); POLYPSEUDOROTAXANE; NECKLACE; POLYMERS; BEHAVIOR;
D O I：
10.1142/S0256767909004436
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Inclusion complexes (ICs) composed of alpha-cyclodextrins (alpha-CD) and biodegradable comblike copolymers with poly(alpha,beta-malic acid) (PMA) backbones and methylated poly(ethylene glycol) (mPEG) side chains were prepared by the host-guest reaction. Two series of ICs with mPEG750 and mPEG2000 were prepared. The stoichiometry (EG/CD) of all the ICs in mPEG2000 series was 3.1, no matter what the graft degree was. While in mPEG750 series, the stoichiometry (EG/CD) was very different; it increased with the amount of mPEG decreasing. The decomposition temperatures of the fragments in ICs were closely related to graft degrees. The stack of alpha-CDs in ICs was a channel-type structure. The crystal of ICs was lamellar, and it could be reorganized to well-defined supermolecular structure.
引用
收藏
页码：729 / 737
页数：9
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