| Project/Area Number |
14550830
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
高分子合成
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| Research Institution | Kagoshima University (2004)
Tohoku University (2002-2003) |
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Principal Investigator |
KADOKAWA Jun-ichi Kagoshima University, Graduate School of Science and Engineering, Professor, 大学院・理工学研究科, 教授 (30241722)
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| Project Period (FY) |
2002 – 2004
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| Project Status |
Completed (Fiscal Year 2004)
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| Budget Amount *help |
¥3,500,000 (Direct Cost: ¥3,500,000)
Fiscal Year 2004: ¥700,000 (Direct Cost: ¥700,000)
Fiscal Year 2003: ¥1,000,000 (Direct Cost: ¥1,000,000)
Fiscal Year 2002: ¥1,800,000 (Direct Cost: ¥1,800,000)
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| Keywords | Polymerization / Supramolecule / Higher-ordered structure / Inclusion complex / Guest compound / Amylose / Alginate / Cationic monomer / 重合反応場 / 超分子 / イオン結合 / 包接錯休 / 酵素触媒重合 |
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| Research Abstract |
A new preparation manner termed as "vine-twining Polymerization" was developed to produce amylose-polymer inclusion complexes. A first example of the polymerization method was achieved by an enzymatic polymerization of glucose 1-phosphate monomer catalyzed by phosphorylase in the presence of polyTHF as a guest polymer. The structure of the product was determined by the X-ray powder diffraction and NMR measurements to be the inclusion complex. The formation of the inclusion complexes by this polymerization method using polyTHFs with various molecular weights and end groups, as well as other polyethers as the guest polymers was also examined. Furthermore, polyesters were taken as guest polymers to form the corresponding inclusion complexes.
Formation of inclusion complex of amylose with a strong hydrophobic polyester was examined in parallel polymerization system. The preparation of the inclusion complex was achieved in two enzyme-catalyzed polymerizations. The analytical data of the product indicated that the product contained the inclusion complex.
An alginate-polymethacrylate hybrid material was prepared by radical polymerization of a cationic methacrylate monomer, i.e., 2-aminoethyl methacrylate hydrochloride in the presence of sodium alginate in water. The insoluble material was formed with progress of the polymerization. The structure of the product was confirmed by the IR spectrum and elemental analysis, as well as the acid hydrolysis experiment to be composed of alginate and polymethacrylate. The TG and DSC data of product were different from those of a mixture of sodium alginate with poly(2-aminoethyl methacrylate hydrochloride). Furthermore, the films of the hybrid materials could be formed by means of the polymerization of the methacrylate monomer in the presence of sodium alginate, followed by the evaporation of the solvent.
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