PREPARATION AND CHARACTERIZATION OF INCLUSION COMPLEXES OF TWO-ARM LINEAR AND FOUR-ARM STAR-SHAPED POLY（ε-CAPROLACTONE）S WITHα-CYCLODEXTRIN

Lu Wang; Jing-liang Wang and Chang-ming Dong Department of Polymer Science & Engineering; School of Chemistry and Chemical Technology; Shanghai Jiao Tong University; Shanghai 200240; China

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PREPARATION AND CHARACTERIZATION OF INCLUSION COMPLEXES OF TWO-ARM LINEAR AND FOUR-ARM STAR-SHAPED POLY（ε-CAPROLACTONE）S WITHα-CYCLODEXTRIN

Updated：2021-06-21

- PREPARATION AND CHARACTERIZATION OF INCLUSION COMPLEXES OF TWO-ARM LINEAR AND FOUR-ARM STAR-SHAPED POLY（ε-CAPROLACTONE）S WITHα-CYCLODEXTRIN
- PREPARATION AND CHARACTERIZATION OF INCLUSION COMPLEXES OF TWO-ARM LINEAR AND FOUR-ARM STAR-SHAPED POLY（ε-CAPROLACTONE）S WITHα-CYCLODEXTRIN
- 高分子科学（英文版） 2006年第3期页码：245-252
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  This work was supported by the National Natural Science Foundation of China （No. 20404007）.()
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Lu Wang, Jing-liang Wang and Chang-ming Dong Department of Polymer Science & Engineering, School of Chemistry and Chemical Technology, 等. PREPARATION AND CHARACTERIZATION OF INCLUSION COMPLEXES OF TWO-ARM LINEAR AND FOUR-ARM STAR-SHAPED POLY（ε-CAPROLACTONE）S WITHα-CYCLODEXTRIN[J]. 高分子科学（英文版）, 2006,(3):245-252.

Lu Wang, Jing-liang Wang and Chang-ming Dong Department of Polymer Science & Engineering, School of Chemistry and Chemical Technology, et al. PREPARATION AND CHARACTERIZATION OF INCLUSION COMPLEXES OF TWO-ARM LINEAR AND FOUR-ARM STAR-SHAPED POLY（ε-CAPROLACTONE）S WITHα-CYCLODEXTRIN[J]. 2006,(3):245-252.
Lu Wang, Jing-liang Wang and Chang-ming Dong Department of Polymer Science & Engineering, School of Chemistry and Chemical Technology, 等. PREPARATION AND CHARACTERIZATION OF INCLUSION COMPLEXES OF TWO-ARM LINEAR AND FOUR-ARM STAR-SHAPED POLY（ε-CAPROLACTONE）S WITHα-CYCLODEXTRIN[J]. 高分子科学（英文版）, 2006,(3):245-252. DOI：

Lu Wang, Jing-liang Wang and Chang-ming Dong Department of Polymer Science & Engineering, School of Chemistry and Chemical Technology, et al. PREPARATION AND CHARACTERIZATION OF INCLUSION COMPLEXES OF TWO-ARM LINEAR AND FOUR-ARM STAR-SHAPED POLY（ε-CAPROLACTONE）S WITHα-CYCLODEXTRIN[J]. 2006,(3):245-252. DOI：

摘要

<正>Both four-arm star-shaped poly（ε-caprolactone）（4sPCL） and two-arm linear PCL （2LPCL） were synthesized and their inclusion complexation withα-cyclodextrin （α-CD） were studied. The inclusion complexes （ICs） formed between the PCL polymers andα-CD were characterized by 1H-NMR, DSC, TGA, WAXD, and FT-IR, respectively. Both branch arm number and molecular weight of the PCL polymers have apparent effect on the stoichiometry （CL:CD, mol:mol） of these ICs. All these analytical results indicate that the branch arms of the PCL polymers are incorporated into the hydrophobicα-CD cavities and their original crystalline properties are completely suppressed. Moreover, the inclusion complexation between two-arm linear or four-arm star-shaped PCL polymers andα-CD not only enhances the thermal stability of the guest PCL polymers but also improves that ofα-CD.

Abstract

Both four-arm star-shaped poly（ε-caprolactone）（4sPCL） and two-arm linear PCL （2LPCL） were synthesized and their inclusion complexation withα-cyclodextrin （α-CD） were studied. The inclusion complexes （ICs） formed between the PCL polymers andα-CD were characterized by 1H-NMR, DSC, TGA, WAXD, and FT-IR, respectively. Both branch arm number and molecular weight of the PCL polymers have apparent effect on the stoichiometry （CL:CD, mol:mol） of these ICs. All these analytical results indicate that the branch arms of the PCL polymers are incorporated into the hydrophobicα-CD cavities and their original crystalline properties are completely suppressed. Moreover, the inclusion complexation between two-arm linear or four-arm star-shaped PCL polymers andα-CD not only enhances the thermal stability of the guest PCL polymers but also improves that ofα-CD.

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