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- W1566930147 abstract "2-Methyloxirane (propylene oxide) was polymerized by aluminium isopropoxide [Al(OiPr)3] and by the initiator system Al(OiPr)3/zinc chloride (1:1). The microstructure of the resulting polymers was investigated by 13C NMR spectroscopy. The polymer obtained with Al(OiPr)3 alone was found to contain head-to-tail and head-to-head linkages in the chain, indicating an oxirane ring opening in both α- and β-positions. The polymerization by the aluminium isopropoxide/zinc chloride initiator system led to the formation of a crystalline, highly isotactic fraction and to an amorphous, almost atactic fraction of the polymer with head-to-tail linkages only." @default.
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- W1566930147 date "1979-04-05" @default.
- W1566930147 modified "2023-10-14" @default.
- W1566930147 doi "https://doi.org/10.1002/macp.1979.021800410" @default.
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