title: Evaluation of Stability of Amylose Inclusion Complexes Depending on Guest Polymers and Their Application to Supramolecular Polymeric Materials.
abstract: This paper describes the evaluation of the stability of amylose-polymer inclusion complexes under solution state in dimethyl sulfoxide (DMSO) depending on guest polymers. The three complexes were prepared by the vine-twining polymerization method using polytetrahydrofuran (PTHF), poly(ε-caprolactone) (PCL), and poly(l-lactide) (PLLA) as guest polymers. The stability investigation was conducted at desired temperatures (25, 30, 40, 60 °C) in DMSO solutions of the complexes. Consequently, the amylose-PTHF inclusion complex was dissociated at 25 °C, while the other complexes were stable under the same conditions. When the temperatures were elevated, the amylose-PCL and amylose-PLLA complexes were dissociated at 40 and 60 °C, respectively. We also found that amylose inclusion supramolecular polymers which were prepared by the vine-twining polymerization using primer-guest conjugates formed films by the acetylation of amylose segments. The film from acetylated amylose-PLLA supramolecular polymer had higher storage modulus than that from acetylated amylose-PTHF supramolecular polymer, as a function of temperature.
authors.affiliation: Department of Biobased Materials Science, Graduate School of Science and Technology, Kyoto Institute of Technology, Matsugasaki, Sakyo-ku, Kyoto 606-8585, Japan. t-tanaka@kit.ac.jp.
authors.forename: Tomonari
authors.initials: T
authors.lastname: Tanaka
authors.affiliation: Department of Biobased Materials Science, Graduate School of Science and Technology, Kyoto Institute of Technology, Matsugasaki, Sakyo-ku, Kyoto 606-8585, Japan. atsushi.tsutsui@gmail.com.
authors.forename: Atsushi
authors.initials: A
authors.lastname: Tsutsui
authors.affiliation: Department of Chemistry, Biotechnology, and Chemical Engineering, Graduate School of Science and Engineering, Kagoshima University, 1-21-40 Korimoto, Kagoshima 860-0065, Japan. k1987386@kadai.jp.
authors.forename: Kazuya
authors.initials: K
authors.lastname: Tanaka
authors.affiliation: Department of Chemistry, Biotechnology, and Chemical Engineering, Graduate School of Science and Engineering, Kagoshima University, 1-21-40 Korimoto, Kagoshima 860-0065, Japan. yamamoto@eng.kagoshima-u.ac.jp.
authors.forename: Kazuya
authors.initials: K
authors.lastname: Yamamoto
authors.affiliation: Department of Chemistry, Biotechnology, and Chemical Engineering, Graduate School of Science and Engineering, Kagoshima University, 1-21-40 Korimoto, Kagoshima 860-0065, Japan. kadokawa@eng.kagoshima-u.ac.jp.
authors.forename: Jun-Ichi
authors.initials: JI
authors.lastname: Kadokawa
mesh_terms: D000688:Amylose / Q000031:analogs & derivatives / Q000737:chemistry*; D002850:Chromatography, Gel; D058105:Polymerization; D011108:Polymers / Q000737:chemistry*; D066244:Proton Magnetic Resonance Spectroscopy; D012996:Solutions; D014961:X-Ray Diffraction
chemical_list: D011108:Polymers; D012996:Solutions; D000688:Amylose; C091612:amylose triacetate
keywords: amylose; dissociation; film; inclusion complex; supramolecular polymer; vine-twining polymerization