Synthesis of ZnO nanoparticles using reverse micelles of block copolymer hybridized with ZnO/PMMA

Kohji Yoshinaga, Atsushi Yonezawa, Suguru Motokucho, Ken Kojio

研究成果: ジャーナルへの寄稿記事

抄録

Synthesis of zinc oxide nanoparticles in the core of reverse micelles of poly(methyl methacrylate)-block-poly(acrylic acid) (PMMA-b-PAA) in toluene, and succeeding hybridization with poly(methyl methacylate) (PMMA) to fabricate transparent hybrid films was investigated. Inclusion of a ZnO precursor into the cores of the reverse micelles formed in toluene was carried out by addition of diethyl zinc, and heating the resulting solution to 125°C in an autoclave to form ZnO that formed crystals. Fabrication of ZnO/PMMA hybrid films by a casting method using a mixed solution of the reverse micelles and PMMA resulted in low transparency films due to aggregation of ZnO nanoparticles during film forming. Freeze drying of the reverse micelle solution to prepare a ZnO/PMMA hybrid powder and succeeding hybridization with PMMA by hot-pressing at 150°C and 20 MPa gave highly transparent ZnO/PMMA hybrid films, refractive indexes of which were coincident with calculated values. TEM images showed small domains of PMMA and domains containing ZnO nanoparticles.

元の言語英語
ページ(範囲)644-650
ページ数7
ジャーナルKobunshi Ronbunshu
71
発行部数12
DOI
出版物ステータス出版済み - 12 1 2014

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Micelles
Block copolymers
Nanoparticles
carbopol 940
Toluene
toluene
zinc
Zinc Oxide
freeze drying
Autoclaves
Polymethyl Methacrylate
refractive index
Hot pressing
Zinc oxide
Polymethyl methacrylates
transparency
Powders
Transparency
Acrylics
Zinc

All Science Journal Classification (ASJC) codes

  • Chemical Engineering (miscellaneous)
  • Materials Science (miscellaneous)
  • Environmental Science(all)
  • Polymers and Plastics

これを引用

Synthesis of ZnO nanoparticles using reverse micelles of block copolymer hybridized with ZnO/PMMA. / Yoshinaga, Kohji; Yonezawa, Atsushi; Motokucho, Suguru; Kojio, Ken.

:: Kobunshi Ronbunshu, 巻 71, 番号 12, 01.12.2014, p. 644-650.

研究成果: ジャーナルへの寄稿記事

Yoshinaga, Kohji ; Yonezawa, Atsushi ; Motokucho, Suguru ; Kojio, Ken. / Synthesis of ZnO nanoparticles using reverse micelles of block copolymer hybridized with ZnO/PMMA. :: Kobunshi Ronbunshu. 2014 ; 巻 71, 番号 12. pp. 644-650.
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abstract = "Synthesis of zinc oxide nanoparticles in the core of reverse micelles of poly(methyl methacrylate)-block-poly(acrylic acid) (PMMA-b-PAA) in toluene, and succeeding hybridization with poly(methyl methacylate) (PMMA) to fabricate transparent hybrid films was investigated. Inclusion of a ZnO precursor into the cores of the reverse micelles formed in toluene was carried out by addition of diethyl zinc, and heating the resulting solution to 125°C in an autoclave to form ZnO that formed crystals. Fabrication of ZnO/PMMA hybrid films by a casting method using a mixed solution of the reverse micelles and PMMA resulted in low transparency films due to aggregation of ZnO nanoparticles during film forming. Freeze drying of the reverse micelle solution to prepare a ZnO/PMMA hybrid powder and succeeding hybridization with PMMA by hot-pressing at 150°C and 20 MPa gave highly transparent ZnO/PMMA hybrid films, refractive indexes of which were coincident with calculated values. TEM images showed small domains of PMMA and domains containing ZnO nanoparticles.",
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