Preparation and pyrolysis of a blended precursor possessing Ti-N and Al-N bonds

    Research output: Contribution to journalArticle

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    Abstract

    The preparation and pyrolysis of a blended precursor possessing Ti-N and Al-N bonds were investigated. The precursor was prepared by mixing (HAlNiPr), whose main component was a cage-type compound, and an aminolysis product of Ti(NMe2)4 with MeHNCH2CH2NHMe with a molar ratio of Ti:Al=2:1. IR analysis of the products pyrolyzed under NH3-N2 indicated that a large proportion of the organic groups in the precursor were removed by an amine-exchange reaction during the pyrolysis under NH3; thus, the products contained only a small amount of carbon. On the contrary, a considerable amount of carbon was present in the product pyrolyzed under Ar. Composites consisting of AlN and an NaCl-type compound were obtained after pyrolysis of the precursor under both NH3-N2 and Ar. The composition of the NaCl-type compound depended significantly on the pyrolysis atmosphere.

    Original languageEnglish
    Pages (from-to)710-716
    Number of pages7
    JournalApplied Organometallic Chemistry
    Volume15
    Issue number8
    DOIs
    Publication statusPublished - 2001

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    Pyrolysis
    Carbon
    Amines
    Composite materials
    Chemical analysis

    Keywords

    • Aluminum nitride
    • Ceramic composite
    • Precursor
    • Pyrolysis
    • Titanium nitride

    ASJC Scopus subject areas

    • Chemistry (miscellaneous)
    • Inorganic Chemistry

    Cite this

    Preparation and pyrolysis of a blended precursor possessing Ti-N and Al-N bonds. / Cheng, Fei; Sugahara, Yoshiyuki; Kuroda, Kazuyuki.

    In: Applied Organometallic Chemistry, Vol. 15, No. 8, 2001, p. 710-716.

    Research output: Contribution to journalArticle

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    abstract = "The preparation and pyrolysis of a blended precursor possessing Ti-N and Al-N bonds were investigated. The precursor was prepared by mixing (HAlNiPr), whose main component was a cage-type compound, and an aminolysis product of Ti(NMe2)4 with MeHNCH2CH2NHMe with a molar ratio of Ti:Al=2:1. IR analysis of the products pyrolyzed under NH3-N2 indicated that a large proportion of the organic groups in the precursor were removed by an amine-exchange reaction during the pyrolysis under NH3; thus, the products contained only a small amount of carbon. On the contrary, a considerable amount of carbon was present in the product pyrolyzed under Ar. Composites consisting of AlN and an NaCl-type compound were obtained after pyrolysis of the precursor under both NH3-N2 and Ar. The composition of the NaCl-type compound depended significantly on the pyrolysis atmosphere.",
    keywords = "Aluminum nitride, Ceramic composite, Precursor, Pyrolysis, Titanium nitride",
    author = "Fei Cheng and Yoshiyuki Sugahara and Kazuyuki Kuroda",
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    AU - Sugahara, Yoshiyuki

    AU - Kuroda, Kazuyuki

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    Y1 - 2001

    N2 - The preparation and pyrolysis of a blended precursor possessing Ti-N and Al-N bonds were investigated. The precursor was prepared by mixing (HAlNiPr), whose main component was a cage-type compound, and an aminolysis product of Ti(NMe2)4 with MeHNCH2CH2NHMe with a molar ratio of Ti:Al=2:1. IR analysis of the products pyrolyzed under NH3-N2 indicated that a large proportion of the organic groups in the precursor were removed by an amine-exchange reaction during the pyrolysis under NH3; thus, the products contained only a small amount of carbon. On the contrary, a considerable amount of carbon was present in the product pyrolyzed under Ar. Composites consisting of AlN and an NaCl-type compound were obtained after pyrolysis of the precursor under both NH3-N2 and Ar. The composition of the NaCl-type compound depended significantly on the pyrolysis atmosphere.

    AB - The preparation and pyrolysis of a blended precursor possessing Ti-N and Al-N bonds were investigated. The precursor was prepared by mixing (HAlNiPr), whose main component was a cage-type compound, and an aminolysis product of Ti(NMe2)4 with MeHNCH2CH2NHMe with a molar ratio of Ti:Al=2:1. IR analysis of the products pyrolyzed under NH3-N2 indicated that a large proportion of the organic groups in the precursor were removed by an amine-exchange reaction during the pyrolysis under NH3; thus, the products contained only a small amount of carbon. On the contrary, a considerable amount of carbon was present in the product pyrolyzed under Ar. Composites consisting of AlN and an NaCl-type compound were obtained after pyrolysis of the precursor under both NH3-N2 and Ar. The composition of the NaCl-type compound depended significantly on the pyrolysis atmosphere.

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    KW - Pyrolysis

    KW - Titanium nitride

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