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Information Journal Paper

Title

PREPARATION OF GAP-BASED ISOCYANATE PREPOLYMER AND QUANTITATIVE ANALYSIS OF NCO BY 19FNMR SPECTROSCOPY

Pages

  25-32

Abstract

 Isocyanate containing PREPOLYMERs were prepared from the toluene diisocyanate and glycidal azido polymer diol. The NCO number of the resulting PREPOLYMER was determined by derivatization of isocyanate functional group using hexafluoro isopropyl alcohol and recording 19FNMR spectrum. QUANTITATIVE ANALYSIS was carried out by the integration of 19F signals of the resulting derivatives and internal standard. Accuracy of this method was verified using a known diisocyanates, such as pure toluene diisocyanate and MDI. A good correlation was found between the results obtained by the current 19FNMR method and titration method. 19FNMR method has advantages, such as high sensitivity and convenient procedure within a short period, over the titration method.

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  • Cite

    APA: Copy

    MOGHIMI, A., BAHADORBEIGI, R., & OMRANI, I.. (2013). PREPARATION OF GAP-BASED ISOCYANATE PREPOLYMER AND QUANTITATIVE ANALYSIS OF NCO BY 19FNMR SPECTROSCOPY. JOURNAL OF APPLIED RESEARCHES IN CHEMISTRY (JARC), 6(4), 25-32. SID. https://sid.ir/paper/180284/en

    Vancouver: Copy

    MOGHIMI A., BAHADORBEIGI R., OMRANI I.. PREPARATION OF GAP-BASED ISOCYANATE PREPOLYMER AND QUANTITATIVE ANALYSIS OF NCO BY 19FNMR SPECTROSCOPY. JOURNAL OF APPLIED RESEARCHES IN CHEMISTRY (JARC)[Internet]. 2013;6(4):25-32. Available from: https://sid.ir/paper/180284/en

    IEEE: Copy

    A. MOGHIMI, R. BAHADORBEIGI, and I. OMRANI, “PREPARATION OF GAP-BASED ISOCYANATE PREPOLYMER AND QUANTITATIVE ANALYSIS OF NCO BY 19FNMR SPECTROSCOPY,” JOURNAL OF APPLIED RESEARCHES IN CHEMISTRY (JARC), vol. 6, no. 4, pp. 25–32, 2013, [Online]. Available: https://sid.ir/paper/180284/en

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