Inclusion complex formation between α-cyclodextrin and biodegradable aliphatic polyesters

被引：49

作者：

Shin, K

Dong, T

He, Y

Taguchi, Y

Oishi, A

Nishida, H

Inoue, Y

机构：

[1] Tokyo Inst Technol, Dept Biomol Engn, Midori Ku, Yokohama, Kanagawa 2268501, Japan

[2] Natl Inst Adv Ind Sci & Technol, Tsukuba, Ibaraki 3058565, Japan

[3] Kinki Univ, Mol Engn Inst, Iizuka, Fukuoka 8208555, Japan

来源：

MACROMOLECULAR BIOSCIENCE | 2004年 / 4卷 / 12期

关键词：

cyclodextrin; hydrogen bond; inclusion chemistry; polyesters;

D O I：

10.1002/mabi.200400118

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

Inclusion complexes (ICs) between alpha-cyclodextrin (alpha-CD) and three kinds of biodegradable aliphatic polyesters with different sequence lengths of the monomeric repeating units poly(3-hydroxypropionatc) [P(3HP)], poly(4-hydroxybutyrate) [P(4HB)] and poly(epsilon-caprolactone)(PCL) were prepared by mixing a solution of alpha-CD with that of the polymer, followed by stirring. The ICs were obtained as insoluble precipitates and characterized by FT-IR, WAXD and DSC. All measurements showed that the polyrner chains of all three kinds of polyester were included into the alpha-CD cavity and formed ICs with different stoichiometries. WAX-D patterns and thermal analysis indicated that these ICs possessed a channel structure and the crystallization of the polyester chains was suppressed upon inclusion into the alpha-CD cavity.

引用

页码：1075 / 1083

页数：9

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