Synthesis and Characterization of Poly(Maleimide-Ethers) from the Reaction of Bisdichloromaleimides with 4,4?-(Hexafluoroisopropylidene)diphenol

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Abstract
New poly(maleimide-ethers) containing chlorine and fluorine were synthesized and characterized. They were prepared by reacting bisdichloromaleimides with 4,4′-(hexafluoroisopropylidene)diphenol. Polymers were characterized by inherent viscosity measurements and infrared (IR) spectroscopy. Thermal characterization of monomers and polymers were accomplished by differential scanning calorimetry (DSC), thermogravimetric analysis (TGA) and differential thermogravimetry (DTG). GPC was employed for characterization of polymer Illb. In addition, the thermal stability of the polymers was evaluated by isothermal gravimetric analysis (IGA). The properties of these polymers are discussed and compared with polymers derived from bisphenol A.