Mixing of immiscible polymers using nanoporous coordination templates

Takashi Uemura; Tetsuya Kaseda; Yotaro Sasaki; Munehiro Inukai; Takaaki Toriyama; Atsushi Takahara; Hiroshi Jinnai; Susumu Kitagawa

doi:10.1038/ncomms8473

Mixing of immiscible polymers using nanoporous coordination templates

Takashi Uemura, Tetsuya Kaseda, Yotaro Sasaki, Munehiro Inukai, Takaaki Toriyama, Atsushi Takahara, Hiroshi Jinnai, Susumu Kitagawa

Research output: Contribution to journal › Article › peer-review

54 Citations (Scopus)

Abstract

The establishment of methodologies for the mixing of immiscible substances is highly desirable to facilitate the development of fundamental science and materials technology. Herein we describe a new protocol for the compatibilization of immiscible polymers at the molecular level using porous coordination polymers (PCPs) as removable templates. In this process, the typical immiscible polymer pair of polystyrene (PSt) and poly(methyl methacrylate) (PMMA) was prepared via the successive homopolymerizations of their monomers in a PCP to distribute the polymers inside the PCP particles. Subsequent dissolution of the PCP frameworks in a chelator solution affords a PSt/PMMA blend that is homogeneous in the range of several nanometers. Due to the unusual compatibilization, the thermal properties of the polymer blend are remarkably improved compared with the conventional solvent-cast blend. This method is also applicable to the compatibilization of PSt and polyacrylonitrile, which have very different solubility parameters.

Original language	English
Article number	7473
Journal	Nature communications
Volume	6
DOIs	https://doi.org/10.1038/ncomms8473
Publication status	Published - Jul 1 2015

All Science Journal Classification (ASJC) codes

Chemistry(all)
Biochemistry, Genetics and Molecular Biology(all)
Physics and Astronomy(all)

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title = "Mixing of immiscible polymers using nanoporous coordination templates",

abstract = "The establishment of methodologies for the mixing of immiscible substances is highly desirable to facilitate the development of fundamental science and materials technology. Herein we describe a new protocol for the compatibilization of immiscible polymers at the molecular level using porous coordination polymers (PCPs) as removable templates. In this process, the typical immiscible polymer pair of polystyrene (PSt) and poly(methyl methacrylate) (PMMA) was prepared via the successive homopolymerizations of their monomers in a PCP to distribute the polymers inside the PCP particles. Subsequent dissolution of the PCP frameworks in a chelator solution affords a PSt/PMMA blend that is homogeneous in the range of several nanometers. Due to the unusual compatibilization, the thermal properties of the polymer blend are remarkably improved compared with the conventional solvent-cast blend. This method is also applicable to the compatibilization of PSt and polyacrylonitrile, which have very different solubility parameters.",

author = "Takashi Uemura and Tetsuya Kaseda and Yotaro Sasaki and Munehiro Inukai and Takaaki Toriyama and Atsushi Takahara and Hiroshi Jinnai and Susumu Kitagawa",

note = "Funding Information: We thank Prof S. Isoda (Kyoto University) for his helpful advice and discussion on TEM measurements. This work was supported by CREST-JST and a Grant-in-Aid for Scientific Research on Innovative Area {\textquoteleft}New Polymeric Materials Based on Element-Blocks{\textquoteright} from the Ministry of Education, Culture, Sports, Science and Technology (MEXT) of Japan. H.J. is grateful to the financial support received through a Grant-in-Aid (number 24310092) from MEXT. Publisher Copyright: {\textcopyright} 2015 Macmillan Publishers Limited. All rights reserved.",

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AU - Takahara, Atsushi

AU - Jinnai, Hiroshi

AU - Kitagawa, Susumu

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N2 - The establishment of methodologies for the mixing of immiscible substances is highly desirable to facilitate the development of fundamental science and materials technology. Herein we describe a new protocol for the compatibilization of immiscible polymers at the molecular level using porous coordination polymers (PCPs) as removable templates. In this process, the typical immiscible polymer pair of polystyrene (PSt) and poly(methyl methacrylate) (PMMA) was prepared via the successive homopolymerizations of their monomers in a PCP to distribute the polymers inside the PCP particles. Subsequent dissolution of the PCP frameworks in a chelator solution affords a PSt/PMMA blend that is homogeneous in the range of several nanometers. Due to the unusual compatibilization, the thermal properties of the polymer blend are remarkably improved compared with the conventional solvent-cast blend. This method is also applicable to the compatibilization of PSt and polyacrylonitrile, which have very different solubility parameters.

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Mixing of immiscible polymers using nanoporous coordination templates

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