Cyclic poly (4-methyl-1-pentene): efficient catalytic synthesis of a transparent cyclic polymer

Z Miao, D Pal, W Niu, T Kubo, BS Sumerlin… - …, 2020 - ACS Publications
Cyclic polymers possess properties that are significantly different from their linear analogs,
such as higher densities, smaller hydrodynamic volumes, and higher glass transition …

Molecular Conformation and Intermolecular Interactions of Linear and Cyclic Amylose Derivatives in Solution

K Terao, A Ryoki, S Kitamura… - Macromolecular Symposia, 2023 - Wiley Online Library
Four kinds of rigid and semiflexible ring polymers are synthesized from flexible cyclic
amylose. Their conformational properties in dilute solution are determined from dimensional …

Linear and cyclic amylose derivatives having brush like side groups in solution: Amylose tris (n-octadecylcarbamate) s

A Ryoki, DC Kim, S Kitamura, K Terao - Polymer, 2018 - Elsevier
Seven linear amylose tris (n-octadecylcarbamate)(ATODC) samples ranging in the weight-
average molar mass M w from 2.4× 10 4 to 1.5× 10 6 g mol− 1 and their seven cyclic …

Chain Alignment of a Rigid Ring Polymer in the Lyotropic Liquid Crystal Phase: Cyclic Amylose Tris(n-butylcarbamate) in Tetrahydrofuran and Ethyl Lactate

D Kabata, A Ryoki, S Kitamura, K Terao - Macromolecules, 2021 - ACS Publications
Concentrated solutions of a rigid ring polymer, cyclic amylose tris (n-butylcarbamate)(cATBC
), have lyotropic liquid crystallinity. Phase boundary concentrations of cATBC in …

Topology-dependent chain stiffness and local helical structure of cyclic amylose tris (3, 5-dimethylphenylcarbamate) in solution

A Ryoki, H Yokobatake, H Hasegawa… - …, 2017 - ACS Publications
Conformational properties of rigid and semiflexible cyclic chains are still unclear owing to
few experimental researches on dilute solution properties. Five cyclic amylose tris (3, 5 …

Does local chain conformation affect the chiral recognition ability of an amylose derivative? Comparison between linear and cyclic amylose tris (3, 5 …

A Ryoki, Y Kimura, S Kitamura, K Maeda… - … of Chromatography A, 2019 - Elsevier
Coated-type chiral stationary phases (CSPs) for high-performance liquid chromatography
(HPLC) were prepared from three cyclic amylose tris (3, 5-dimethylphenylcarbamate) …

Semiflexible ring polymers in dilute solutions

D Ida - Reactive and Functional Polymers, 2018 - Elsevier
Our recent theoretical and/or Monte Carlo results for dilute solution properties of semiflexible
ring polymers on the basis of the wormlike ring model are briefly summarized. The behavior …

Complex formation of a triple-helical peptide with sodium heparin

S Ishida, T Yoshida, K Terao - Polymer Journal, 2019 - nature.com
Small-angle X-ray scattering (SAXS) and circular dichroism measurements were carried out
for NaHeparin and a triple-helical peptide, H-(Pro-Pro-Gly) 10-OH (PPG10), in aqueous …

Lyotropic Liquid Crystallinity of Linear and Cyclic Amylose Derivatives: Amylose Tris(n-octadecylcarbamate) in Tetrahydrofuran and 2-Octanone

DC Kim, A Ryoki, D Kabata, S Kitamura… - Macromolecules, 2019 - ACS Publications
Lyotropic liquid crystallinity was examined for 8 linear amylose tris (n-octadecylcarbamate)(
ATODC) samples ranging in the weight-average molar mass (M w) from 25 to 1510 kg mol …

Dilute Solution Properties of Ring Polymers

D Ida - Topological Polymer Chemistry: Concepts and …, 2022 - Springer
Molecular characterization of ring polymers on the basis of their dilute solution properties is
still required even with recent development of various experimental techniques. In this …