Abstract
Polyadditions of certain bis(oxetane)s such as 1,4-bis[(3-ethyl-3-oxetanylmethoxymethyl)]benzene (BEOB), 1,4-bis[(3-ethy-3-oxetanyl)methoxy]benzene (1,4-BEOMB), 4,4′-bis[(3-ethyl-3-oxetanyl)methoxy]benzene (4,4′-BEOBP), 2,2′-bis[(3-ethyl-3-oxetanyl)methoxy]biphenyl (2,2′-BEOBP), 3,3′,5,5′-tetramethyl-[4,4′-bis(3-ethyl-3-oxetanyl)methoxy]biphenyl (TM-BEOBP) with such active bis(ester)s as 4,4′-isopropylidenebis(2,6-dichlorophenyl diacetate) (IBDPA), 4,4′-isopropylidene-bis(2,6-dichlorophenyl dibenzoate) (IBDPB) and 4,4′-isopropylidenebis(2,6-dichlorophenyl di-2,4-dichlorobenzate) (IBDPD) were examined in the presence of tetraphenylphosphonium chloride (TPPC) as a catalyst in DMAc at 160 °C for 96 h, and it was found that corresponding polyethers with Mns in the range 7200–17400 were obtained in 91–99% yields. The all obtained polymers would soluble in common organic solvents.
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Nishikubo, T., Kudo, H., Sasaki, M. et al. Synthesis of Poly(ether)s with Pendant Ester Groups by the Polyaddition of Bis(oxetane)s with Active Bis(ester)s. Polym J 36, 841–847 (2004). https://doi.org/10.1295/polymj.36.841
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DOI: https://doi.org/10.1295/polymj.36.841