新しいポリウレタンカチオノマー　第１報　　末端セグメントにイオン点を有するプレポリマーから合成したポリウレタンカチオノマー

DOI Web Site 参考文献12件
  • 池田 裕子
    Faculty of Engineering and Design, Kyoto Institute of Technology
  • 小林 知恵
    Faculty of Engineering and Design, Kyoto Institute of Technology
  • 帰山 享二
    Faculty of Engineering and Design, Kyoto Institute of Technology

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タイトル別名
  • Novel Polyurethane Cationomer, Part 1. Polyurethane Cationomer Synthesized from Hydroxy-Terminated Poly (Oxytetramethylene) with Ionic Sites in The end of Segments.
  • アタラシイ ポリウレタンカチオノマー 1 マッタン セグメント ニ イオンテン オ ユウスル プレ ポリマー カラ ゴウセイ シタ ポリウレタンカチオノマー
  • POLYURETHANE CATIONOMER SYNTHESIZED FROM HYDROXY-TERMINATED POLY(OXYTETRAMETHYLENE) WITH IONIC SITES IN THE END OF SEGMENTS

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抄録

Hydroxy-terminated poly(oxytetramethylene) with ionic sites in the end of segments (HA-PT) was synthesized by the cationic polymerization of tetrahydrofuran using (CF3SO2)2O at 0°C and the termination reaction by using excess of 2-dimethylaminoethanol for a polyurethane synthesis. The molecular weight of HA-PT was ca. 2300. Toluene-2, 4-diisocyanate (TDI) was slowly reacted with HA-PT in dimethyl sulf oxide at 90°C. The obtained polyemr (PUC) was confirmed to be a new polyurethane cationomer by Fourier-transform infrared spectroscopy, i.e., the cationic site existed between the polyether and urethane linkage in PUC. The PUC film prepared by casting from the methanol solution of PUC was an elastomer.

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