THE PRUİTT-BAGGETT CATALYST IN THE STEREOREGULAR PÖLYMERIZATION OF PROPYLENE OXIDE

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Communications Faculty of Sciences University Ankara Series B Chemistry and Chemical Engineering
Volume:36
THE PRUİTT-BAGGETT CATALYST IN THE STEREOREGULAR PÖLYMERIZATION OF PROPYLENE OXIDE

THE PRUİTT-BAGGETT CATALYST IN THE STEREOREGULAR PÖLYMERIZATION OF PROPYLENE OXIDE

Pages : 0-0

View : 26 | Download : 5

Publication Date : 1990-01-01

Article Type : Research Paper

Abstract :The Pruitt-Baggett adduct insert ignore into journalissuearticles values(PBA); insert ignore into journalissuearticles values(MW = 438 gmol~3); which formed from the reacticn of FeCls with propylene oxide insert ignore into journalissuearticles values(PO); was hydrolysed in diethylether insert ignore into journalissuearticles values(ether); solution at different r = H2O/Fe mol ratios. The hydrolysates insert ignore into journalissuearticles values(PBH/r); which were insoluble in ether could be con- verted into catalytically active form insert ignore into journalissuearticles values(PBC/r); by a thermal treatment insert ignore into journalissuearticles values(baking);. PBC/r insert ignore into journalissuearticles values(r < 1); was soluble in ether and in PO. PBC /r polymerized PO into a mixture of cyrstalline polymer and non-crystallizable oily polymer. It was found that the catalytic activity of PBC/r coıdd be varied by changing the hydrolysis conditions and the baking time.
Keywords : THE PRUİTT BAGGETT, STEREOREGULAR PÖLYMERIZATION, PROPYLENE OXIDE

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