Phosphonyl/hydroxyl hydrogen bonding-induced miscibility of poly(arylene ether phosphine oxide/sulfone) statistical copolymers with poly(hydroxy ether) (phenoxy resin) : Synthesis and characterization
作者： Sheng Wang , Qing Ji , C. N. Tchatchoua , A. R. Shultz , J. E. Mcgrath
DOI: 10.1002/(SICI)1099-0488(19990801)37:15<1849::AID-POLB9>3.0.CO;2-T
关键词:
摘要: High molecular weight bisphenol A or hydroquinone-based poly(arylene ether phosphine oxide/sulfone) homopolymer statistical copolymers were synthesized and characterized by thermal analysis, gel permeation chromatography, intrinsic viscosity. Miscibility studies of blends these with a (bisphenol A)-epichlorohydrin based poly(hydroxy ether), termed phenoxy resin, conducted infrared spectroscopy, dynamic mechanical differential scanning calorimetry. All the data are consistent strong hydrogen bonding between phosphonyl groups pendent hydroxyl resin as miscibility-inducing mechanism. Complete miscibility at all blend compositions was achieved little 20 mol % oxide units in copolymer. Single glass transition temperatures (Tg) from about 100 to 200°C achieved. Replacement hydroquinone copolymer synthesis did not significantly affect miscibilities. Examination within framework four existing Tg composition equations revealed elevation attributable phosphonyl/hydroxyl interactions. Because structural similarities phenoxy, epoxy, vinylester resins, new should find many applications impact-improving interphase materials thermoplastics thermoset composite compositions. © 1999 John Wiley & Sons, Inc. J Polym Sci B: Phys 37: 1849–1862,
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