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- Title
Evaluation of Stability of Amylose Inclusion Complexes Depending on Guest Polymers and Their Application to Supramolecular Polymeric Materials.
- Authors
Tomonari Tanaka; Atsushi Tsutsui; Kazuya Tanaka; Kazuya Yamamoto; Jun-ichi Kadokawa
- 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.
- Subjects
AMYLOSE; POLYMERIZATION; SUPRAMOLECULAR polymers; CAPROLACTONES; LACTIDES
- Publication
Biomolecules (2218-273X), 2017, Vol 7, Issue 1, p28
- ISSN
2218-273X
- Publication type
Article
- DOI
10.3390/biom7010028