• synthesis and characterization of zr, ti, al-phthalate and pyridine-2-carboxylate compounds and their use in ring opening polymerization

    نویسندگان :
    جزئیات بیشتر مقاله
    • تاریخ ارائه: 1392/07/24
    • تاریخ انتشار در تی پی بین: 1392/07/24
    • تعداد بازدید: 959
    • تعداد پرسش و پاسخ ها: 0
    • شماره تماس دبیرخانه رویداد: -
     zirconium, titanium and aluminum phthalate (ph, c8h4o4) and pyridine-2-carboxylate (pyca, c6h4no2) compounds were prepared by reaction of zr, ti and al-alkoxides with phthalic acid (pha) and pyridine-2-carboxylic acid (pycah) in alcohol. all new complexes were characterized by a combination of elemental analysis, nmr and ftir spectroscopy and used in polymerization of 3-glycidyloxypropyltrimethoxysilane (gpts) in order to see their catalytic activity over epoxides. especially, al, ti and zr-phthalate catalysts were more effective in ring opening of gpts when compared to al, ti and zr-pyridine-2-carboxylate catalysts. poly-gpts were characterized by 1h, 13c nmr and gel permeation chromatography (gpc).

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