TABLE OF CONTENTS

Volume 49, Issue 8 (August 2017)

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Technical Reviews

Functional Polymers

Synthesis and properties of polyester imides based on 2,2-bis(4-hydroxyphenyl)propanedibenzoate-3,3ʹ,4,4ʹ-tetracarboxylic acid dianhydride

Hiroyuki Furutani, Hiroyuki Tsuji and Keisuke Sogabe

Polym J 49: 587-591; advance online publication, May 24, 2017; doi:10.1038/pj.2017.24

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PIXEO BP-S tape used for Large Hadron Collider and its chemical structure.

Polymer Engineering

Development of polyester resin particles for toner with a controlled particle size distribution and shape

Toshihiko Kinsyo, Hideo Nakanishi, Kazuyuki Hirai, Hidetoshi Noda, Tadao Takikawa and Shuhei Yahiro

Polym J 49: 593-600; advance online publication, April 26, 2017; doi:10.1038/pj.2017.25

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Novel polyester resin particles useful for toner with characteristics such as a narrow particle size distribution, a uniform and non-spherical particle shape, and high melt elasticity at high temperature with low-temperature meltability were developed. These characteristics were achieved by the application of three key technologies to the conventional dissolution suspension method, and they contribute to energy savings and high image quality for toner.

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Original Articles

Functional Polymers

Design and preparation of thermo-responsive vinylamine-containing micro-gel particles for reversible absorption of carbon dioxide

Mengchen Yue, Kenta Imai, Yoshiko Miura and Yu Hoshino

Polym J 49: 601-606; advance online publication, May 24, 2017; doi:10.1038/pj.2017.28

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We designed and prepared thermal-responsive poly-vinylamine-containing micro-gel particles (GPs) with an optimized volume-phase transition temperature (VPTT) by modifying the concentrations of the monomer, crosslinker and surfactant. The amine concentration of the GPs was also maximized. The GPs are capable of reversibly capturing and releasing CO2 in response to a small temperature change.

Cisplatin delivery vehicles based on stabilized polymeric aggregates comprising poly(acrylic acid) chains

Ekaterina Stoyanova, Petar Petrov, Irina Karadjova, Georgi Momekov and Neli Koseva

Polym J 49: 607-615; advance online publication, June 7, 2017; doi:10.1038/pj.2017.29

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Complexation of cisplatin with stabilized ‘Pluronic’ aggregates, containig functional poly(acrylic acid) moieties was investigated as platform for drug delivery application. The advantageous characteristics of the system involve high drug payload, excellent stability upon storage and sustained drug release of the conjugated drug over 2 weeks.

Self-assembled Materials

Control of nanostructures in epoxy/acrylic block copolymer blends by the in situ generation of functional groups

Kazuyoshi Yamada and Hajime Kishi

Polym J 49: 617-623; advance online publication, May 31, 2017; doi:10.1038/pj.2017.26

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The blends of epoxy/amine/acrylic block copolymer (BCP) provided nanophase structures by optimizing the dissolution process of BCP. The thermal dissolution of the BCP in the amine promoted the in situ formation of carboxylic acids. Tuning the amount of carboxylic acids changed the phase structure, such variations led to the formation of different types of micelle structures, such as curved lamellae, coexisting of worm-like micelles and vesicles, and spherical micelles from epoxy/amine/BCP blends having the same composition.

Biopolymers, Bio-related Polymer Materials

Structure and properties of biocompatible poly(glycerol adipate) elastomers modified with ethylene glycol

Lucila Navarro, Natalia Ceaglio and Ignacio Rintoul

Polym J 49: 625-632; advance online publication, June 21, 2017; doi:10.1038/pj.2017.30

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Poly(glycerol adipate) and poly(glycerol adipate)-co-ethylene glycol prepolymers are produced through catalyst-free polycondensation reaction. The resulting elastomers are products of crosslinking procedures and are fully characterized, showing an ease of final property tunability. Further cytotoxicity and adherence analyses based on mouse embryonic fibroblasts suggest their excellent potential for soft tissue engineering.

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Note

Physical Properties of Polymers

Scattering function of semi-rigid cyclic polymers analyzed in terms of worm-like rings: cyclic amylose tris(phenylcarbamate) and cyclic amylose tris(n-butylcarbamate)

Akiyuki Ryoki, Daichi Ida and Ken Terao

Polym J 49: 633-637; advance online publication, May 10, 2017; doi:10.1038/pj.2017.27

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Scattering function of semi-rigid cyclic polymers analyzed in terms of worm-like rings: cyclic amylose tris(phenylcarbamate) and cyclic amylose tris(n-butylcarbamate).