Controlling of Higher Order Structure and Friction/Abrasion of Polyurethane by Surface Modification, Part 2. Surface Modification of Polyurethane Elastomers by Polymeric MDI.

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  • FURUKAWA Mutsuhisa
    Department of Materials Science and Engineering, Faculty of Engineering, Nagasaki University
  • OKAZAKI Takahiko
    Graduate School of Marine Science and Engineering, Nagasaki University Central Research Laboratory, Bando Chemical Industries Ltd.
  • SHIIBA Tetsuro
    Department of Materials Science and Engineering, Faculty of Engineering, Nagasaki University

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Other Title
  • 表面改質によるポリウレタンの高次構造の制御と摩擦・摩耗特性に関する研究　（第２報）　　ポリメリックＭＤＩ（ＰＭＤＩ）によるポリウレタンの表面改質
  • ヒョウメン カイシツ ニ ヨル ポリウレタン ノ コウジ コウゾウ ノ セイギョ ト マサツ マモウ トクセイ ニ カンスル ケンキュウ 2 ポリメリック MDI PMDI ニ ヨル ポリウレタン ノ ヒョウメン カイシツ
  • Surface Modification of Polyurethane Elastomers by Polymeric MDI

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Abstract

Surface layer of Polyurethane elastomers (PUEs) was modified by the use of polymeric isocyanate (PMDI). PUEs were prepared from poly (oxytetrametylene) glycol (PTMG, Mn=2037), or poly(ethylene adipate) glycol (PEA, Mn=2015), 4, 4′-diphenyl methane diisocyanate (MDI), and 1, 4-butane diol (BD)/trimethylol propane (TMP). PMDI was penetrated into the surface layer of PUEs and reacted with methanol and fluoro alchol. Morphology, friction and abrasion characterization of the modified PUEs were studied by means of FT-IR, polarizing microscope, Heidon friction tester and DIN abrasion tester. The modified PUEs exhibited lower friction coefficient and higher abrasion resistance compared with the unmodified PUE.

Journal

  • NIPPON GOMU KYOKAISHI

    NIPPON GOMU KYOKAISHI 73 (9), 503-510, 2000

    THE SOCIRETY OF RUBBER SCIENCE AND TECHNOLOGYY, JAPAN

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