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Dive into the research topics where Hideki Nakaya is active.

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Featured researches published by Hideki Nakaya.


Kobunshi Ronbunshu | 2005

Extraction of Low Molecular Weight Components from Fluoro-Polymers with Supercritical CO2

Hideki Nakaya; Hisayuki Kobayashi; Yuji Imahori; Mitsuo Tsukamoto; Hideya Saito; Yoshiyuki Hiraga

フッ素系ポリマー中の低分子量成分は超臨界CO2によって抽出され, その抽出量は水をエントレーナーとして用いることで増加することが明らかとなった. 低分子量成分の抽出に影響を及ぼす因子としては, CO2密度, CO2流通量, 初期水分濃度があり, 特に, CO2の臨界密度付近以上で抽出が促進される傾向が見られた. 最適条件下では分子量が約1万以下の低分子量成分が抽出され, 精製したポリマーのMw/Mnを1.86から1.16まで下げることができた. 超臨界フルオロホルム, 超臨界フルオロエタンについても同様な抽出実験を試みたところ, 超臨界CO2が最も抽出効果が高いことがわかった.


Archive | 2007

PROCESS FOR PRODUCTION OF HEXAFLUOROPROPYLENE OXIDE

Hideki Nakaya; Michio Asano; Hideya Saitou


Archive | 2004

Method for purifying material to be treated and method for producing coagulated material

Hideki Nakaya; Tadahiro Yabu; Mitsuo Tsukamoto; Kenji Otoi; Yoshiyuki Hiraga; Yuji Imahori


Archive | 2010

Method for producing hexafluoropropylene oxide

Kazuyoshi Ichihara; Hideki Nakaya; Mai Hirai; Yasuhide Senba


Archive | 2007

AGITATOR FOR HORIZONTAL POLYMERIZATION APPARATUS AND PROCESS FOR PRODUCING FLUOROPOLYMER

Taku Hirakawa; Masao Otsuka; Hideki Nakaya; Yoshiyuki Hiraga


Archive | 2003

Process for production of fluoropolymer

Mitsuo Tsukamoto; Kenji Otoi; Yoshiyuki Hiraga; Hideki Nakaya; Toshiki Ichisaka


Archive | 2017

Process for producing perfluoropolyoxyalkylene peroxide compound

Keiichirou Watanabe; Hideki Nakaya; Motohisa Shino; Tatsuya Takakuwa; Kazunori Morimoto


Archive | 2011

METHOD FOR PRODUCING CARBONYL FLUORIDE AND HEXAFLUOROPROPYLENE OXIDE

Kazunori Morimoto; 森本 和賀; Hideki Nakaya; 中谷 英樹; Kazuyoshi Ichihara; 市原 一義; Mai Hirai; 平井 麻衣; Fumihiko Koyabu; 小薮 文彦


Archive | 2010

METHOD FOR SEPARATING HEXAFLUOROPROPYLENE OXIDE FROM HEXAFLUOROPROPYLENE

Hideki Nakaya; Kazuyoshi Ichihara; Yasuhide Senba; Mikio Nakagoshi; Kazunori Morimoto


Archive | 2010

Verfahren zur trennung von hexafluorpropylenoxid von hexafluorpropylen

Hideki Nakaya; Kazuyoshi Ichihara; Yasuhide Senba; Mikio Nakagoshi; Kazunori Morimoto

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